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  • 1. Abbas, Sascha
    et al.
    Linseisen, Jakob
    Rohrmann, Sabine
    Chang-Claude, Jenny
    Peeters, Petra H
    Engel, Pierre
    Brustad, Magritt
    Lund, Eiliv
    Skeie, Guri
    Olsen, Anja
    Tjønneland, Anne
    Overvad, Kim
    Boutron-Ruault, Marie-Christine
    Clavel-Chapelon, Francoise
    Fagherazzi, Guy
    Kaaks, Rudolf
    Boeing, Heiner
    Buijsse, Brian
    Adarakis, George
    Ouranos, Vassilis
    Trichopoulou, Antonia
    Masala, Giovanna
    Krogh, Vittorio
    Mattiello, Amalia
    Tumino, Rosario
    Sacerdote, Carlotta
    Buckland, Genevieve
    Suárez, Marcial Vicente Argüelles
    Sánchez, Maria-José
    Chirlaque, Maria-Dolores
    Barricarte, Aurelio
    Amiano, Pilar
    Manjer, Jonas
    Wirfält, Elisabet
    Lenner, Per
    Umeå University, Faculty of Medicine, Department of Radiation Sciences, Oncology.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Bueno-de-Mesquita, H B
    van Duijnhoven, Fränzel J B
    Khaw, Kay-Tee
    Wareham, Nick
    Key, Timothy J
    Fedirko, Veronika
    Romieu, Isabelle
    Gallo, Valentina
    Norat, Teresa
    Wark, Petra A
    Riboli, Elio
    Dietary intake of vitamin D and calcium and breast cancer risk in the European prospective investigation into cancer and nutrition2013In: Nutrition and Cancer, ISSN 0163-5581, E-ISSN 1532-7914, Vol. 65, no 2, p. 178-187Article in journal (Refereed)
    Abstract [en]

    Studies assessing the effects of vitamin D or calcium intake on breast cancer risk have been inconclusive. Furthermore, few studies have evaluated them jointly. This study is the largest so far examining the association of dietary vitamin D and calcium intake with breast cancer risk in the European Prospective Investigation into Cancer and Nutrition. During a mean follow-up of 8.8 yr, 7760 incident invasive breast cancer cases were identified among 319,985 women. Multivariable Cox proportional hazards regression was used to estimate hazard ratios (HR) and 95% confidence intervals (CI) for pre- and postmenopausal breast cancer risk. Comparing the highest with the lowest quintile of vitamin D intake, HR and 95% CI were 1.07 (0.87-1.32) and 1.02 (0.90-1.16) for pre- and postmenopausal women, respectively. The corresponding HR and 95% CIs for calcium intake were 0.98 (0.80-1.19) and 0.90 (0.79-1.02), respectively. For calcium intake in postmenopausal women, the test for trend was borderline statistically significant (P(trend) = 0.05). There was no significant interaction between vitamin D and calcium intake and cancer risk (P(interaction) = 0.57 and 0.22 in pre- and postmenopausal women, respectively). In this large prospective cohort, we found no evidence for an association between dietary vitamin D or calcium intake and breast cancer risk.

  • 2. Ademuyiwa, Adesoji O.
    et al.
    Arnaud, Alexis P.
    Drake, Thomas M.
    Fitzgerald, J. Edward F.
    Poenaru, Dan
    Bhangu, Aneel
    Harrison, Ewen M.
    Fergusson, Stuart
    Glasbey, James C.
    Khatri, Chetan
    Mohan, Midhun
    Nepogodiev, Dmitri
    Soreide, Kjetil
    Gobin, Neel
    Freitas, Ana Vega
    Hall, Nigel
    Kim, Sung-Hee
    Negeida, Ahmed
    Khairy, Hosni
    Jaffry, Zahra
    Chapman, Stephen J.
    Tabiri, Stephen
    Recinos, Gustavo
    Amandito, Radhian
    Shawki, Marwan
    Hanrahan, Michael
    Pata, Francesco
    Zilinskas, Justas
    Roslani, April Camilla
    Goh, Cheng Chun
    Irwin, Gareth
    Shu, Sebastian
    Luque, Laura
    Shiwani, Hunain
    Altamimi, Afnan
    Alsaggaf, Mohammed Ubaid
    Spence, Richard
    Rayne, Sarah
    Jeyakumar, Jenifa
    Cengiz, Yucel
    Raptis, Dmitri A.
    Fermani, Claudio
    Balmaceda, Ruben
    Marta Modolo, Maria
    Macdermid, Ewan
    Chenn, Roxanne
    Yong, Cheryl Ou
    Edye, Michael
    Jarmin, Martin
    D'amours, Scott K.
    Iyer, Dushyant
    Youssef, Daniel
    Phillips, Nicholas
    Brown, Jason
    Dickfos, Marilla
    Mitul, Ashrarur Rahman
    Mahmud, Khalid
    Oosterkamp, Antje
    Assouto, Pamphile A.
    Lawani, Ismail
    Souaibou, Yacoubou Imorou
    Devadasar, Giridhar H.
    Chong, Chean Leung
    Qadir, Muhammad Rashid Minhas
    Aung, Kyaw Phyo
    Yeo, Lee Shi
    Castillo, Vanessa Dina Palomino
    Munhoz, Monique Moron
    Moreira, Gisele
    Palomino Castillo, Vanessa Dina
    Barros De Castro Segundo, Luiz Carlos
    Khouri Ferreira, Salim Anderson
    Careta, Maira Cassa
    Araujo, Rafael
    Menegussi, Juliana
    Leal, Marisa
    Barroso de Lima, Caio Vinicius
    Tatagiba, Luiza Sarmento
    Leal, Antonio
    Nigo, Samuel
    Kabba, Juana
    Ngwa, Tagang Ebogo
    Brown, James
    King, Sebastian
    Zani, Augusto
    Azzie, Georges
    Firdouse, Mohammed
    Kushwaha, Sameer
    Agarwal, Arnav
    Bailey, Karen
    Cameron, Brian
    Livingston, Michael
    Horobjowsky, Alexandre
    Deckelbaum, Dan L.
    Razek, Tarek
    Montes, Irene
    Sierra, Sebastian
    Mendez, Manuela
    Isabel Villegas, Maria
    Mendoza Arango, Maria Clara
    Mendoza, Ivan
    Aristiza Ibal, Fred Alexander Naranjo
    Montoya Botero, Jaime Andres
    Quintero Riaza, Victor Manuel
    Restrepo, Jakeline
    Morales, Carlos
    Cruz, Herman
    Munera, Alejandro
    Karlo, Robert
    Domini, Edgar
    Mihanovic, Jakov
    Radic, Mihael
    Zamarin, Kresimir
    Pezelj, Nikica
    Khyrallh, Ahmed
    Hassan, Ahamed
    Shimy, Gamal
    Fahmy, Mohamed A. Baky
    Nabawi, Ayman
    Gohar, Muhammad Saad Ali Muhammad
    Elfil, Mohamed
    Ghoneem, Mohamed
    Gohar, Muhammad El-Saied Ahmad Muhammad
    Asal, Mohamed
    Abdelkader, Mostafa
    Gomah, Mahmoud
    Rashwan, Hayssam
    Karkeet, Mohamed
    Gomaa, Ahmed
    Hasan, Amr
    Elgebaly, Ahmed
    Saleh, Omar
    Fattah, Ahmad Abdel
    Gouda, Abdullah
    Elshafay, Abd Elrahman
    Gharib, Abdalla
    Hanafy, Mohammed
    Al-Mallah, Abdullah
    Abdulgawad, Mahmoud
    Baheeg, Mohamad
    Alhendy, Mohammed
    Fattah, Ibrahim Abdel
    Kenibar, Abdalla
    Osman, Omar
    Gemeah, Mostafa
    Mohammed, Ahmed
    Adel, Abdalrahman
    Mesreb, Ahmed Maher Menshawy
    Mohammed, Abdelrahman
    Sayed, Abdelrahman
    Abozaid, Mohamed
    Kotb, Ahmed Hafez El-Badri
    Ata, Ali Amin Ahmed
    Nasr, Mohammed
    Alkammash, Abdelrahman
    Saeed, Mohammed
    El Hamid, Nader Abd
    Attia, Attia Mohamed
    Abd El Galeel, Ahmed
    Elbanby, Eslam
    El-Dien, Khalid Salah
    Hantour, Usama
    Alahmady, Omar
    Mansour, Billal
    Elkorashy, Amr Muhammad
    Taha, Emad Mohamed Saeed
    Lasheen, Kholod Tarek
    Elkolaly, Salma Said
    Abdel-Wahab, Nehal Yosri Elsayed
    Abozyed, Mahmoud Ahmed Fathi
    Adel, Ahmed
    Saeed, Ahmed Moustafa
    El Sayed, Gehad Samir
    Youssif, Jehad Hassan
    Ahmed, Soliman Magdy
    El-Shahat, Nermeen Soubhy
    Khedr, Abd El-Rahman Hegazy
    Elsebaaye, Abdelrhman Osama
    Elzayat, Mohamed
    Abdelraheim, Mohamed
    Elzayat, Ibrahim
    Warda, Mahmoud
    El Deen, Khaled Naser
    Essam, Abdelrhman
    Salah, Omar
    Abbas, Mohamed
    Rashad, Mona
    Elzayyat, Ibrahim
    Hemeda, Dalia
    Tawfik, Gehad
    Salama, Mai
    Khaled, Hazem
    Seisa, Mohamed
    Elshaer, Kareem
    Hussein, Abdelfatah
    Elkhadrawi, Mahmoud
    Afifi, Ahmed Mohamed
    Ebrahim, Osama Saadeldeen
    Metwally, Mahmoud Mohamed
    Elmelegy, Rowida
    Elsawahly, Diaa Moustafa Elbendary
    Safa, Hisham
    Nofal, Eman
    Elbermawy, Mohamed
    Raya, Metwally Abo
    Ghazy, Ahmed Abdelmotaleb
    Samih, Hisham
    Abdelgelil, Asmaa
    Abdelghany, Sarah
    El Kholy, Ahmed
    Elkady, Fatma
    Salma, Mahmoud
    Samy, Sarah
    Fakher, Reem
    Aboarab, Aya
    Samir, Ahmed
    Sakr, Ahmed
    Haroun, Abdelrahman
    Al-Aarag, Asmaa Abdel-Rahman
    Elkholy, Ahmed
    Elshanwany, Sally
    Ghanem, Esraa
    Tammam, Ahmed
    Hammad, Ali Mohamed
    El Shoura, Yousra
    El Ashal, Gehad
    Antar, Sarah
    Mehrez, Sara
    Abdelshafy, Mahmoud
    Hamad, Maha Gamal Mohamad
    Hosh, Mona
    Abdallah, Emad
    Magdy, Basma
    Alzayat, Thuraya
    Gamaly, Elsayed
    Elfeki, Hossam
    Abouzahra, Amany
    Elsheikh, Shereen
    Elgendy, Fatimah I.
    Abd El-Salam, Fathia
    Seifelnasr, Osama
    Ammar, Mohamed
    Eysa, Athar
    Sadek, Aliaa
    Toeema, Aliaa Gamal
    Nasr, Aly
    Abuseif, Mohamed
    Zidan, Hagar
    Barakat, Sara Abd Elmageed
    Elsayed, Nadin
    Abd Elrasoul, Yasmin
    El-Kelany, Ahmed
    Ammar, Mohamed Sabry
    Mustafa, Mennat-Allah
    Makhlouf, Yasmin
    Etman, Mohamed
    Saad, Samar
    Alrahawy, Mahmoud
    Raslan, Ahmed
    Morsi, Mahmoud
    Sabry, Ahmed
    Elwakil, Hager
    Shaker, Heba
    Elkelany, Ahmed
    El-Kashef, Hussein
    Shaalan, Mohamed
    Tarek, Areej
    Elwan, Ayman
    Nayel, Ahmed Ragab
    Seif, Mostafa
    Shafik, Doaa Emadeldin
    Ghoname, Mohamed Ali
    Almallah, Ahmad
    Fouad, Ahmed
    Sayma, Eman Adel
    Elbatahgy, Ahmad
    El-Ma'doul, Angham Solaiman
    Mosad, Ahmed
    Tolba, Hager
    Elsorogy, Diaa Eldin Abdelazeem Amin
    Mostafa, Hassan Ali
    Omar, Amira Atef
    Abd El Hameed, Ola Sherief
    Lasheen, Ahmed
    Abd El Salam, Yasser
    Morsi, Ashraf
    Ismail, Mohammed
    Ahmed, Hager
    Amer, Mohamed A.
    El-Hamouly, Ahmed Sabry
    Attallah, Noura
    Mosalum, Omnia
    Afandy, Ahmed
    Mokhtar, Ahmed
    Abouelnasr, Alaa
    Ayad, Sara
    Shaker, Ramdan
    Sakr, Rokia
    Amreia, Mahmoud
    Elsobky, Soaad
    Mustafa, Mohamed
    El Magd, Ahmed Abo
    Marey, Abeer
    Tarek, Amr
    Fadel, Mohamed
    Mohamed, Mohamed Moamen
    Fadel, Amr
    Ahmed, Emad Ali
    Ali, Ahmad
    Alwafai, Mohammad Ghassan
    Alnawam, Ehab Abdulkader Hemida Ghazy
    Dwydar, Abdullah
    Kharsa, Sara
    Mamdouh, Ehab
    El-Sheemy, Hatem
    Alyoussef, Ibrahim
    Aly, Abouelatta Khairy
    Aldalaq, Ahmad
    Alnawam, Ehab
    Alkhabbaz, Dalia
    Saad, Mahmoud
    Hussein, Shady
    Elazayem, Ahmed Abo
    Meshref, Ahmed
    Elashmawy, Marwa
    Mousa, Mohammed
    Nashaat, Ahmad
    Ghanem, Sara
    Elsayed, Zaynab M.
    Elwaey, Aya
    Elkadsh, Iman
    Darweesh, Mariam
    Mohameden, Ahmed
    Hafez, Mennaallah
    Badr, Ahmed
    Badwy, Assmaa
    Abd El Slam, Mohamed
    Elazoul, Mohamed
    Al-Nahrawi, Safwat
    Eldamaty, Lotfy
    Nada, Fathee
    Ameen, Mohamed
    Hagar, Aya
    Elsehimy, Mohamed
    Abo-ryia, Mohammad
    Dawoud, Hossam
    El Mesery, Shorouk
    El Gendy, Abeer
    Abdelkareem, Ahmed
    Marey, Ahmed Safwan
    Allam, Mostafa
    Shehata, Sherif
    Abozeid, Khaled
    Elshobary, Marwa
    Fahiem, Ahmed
    Sarsik, Sameh
    Hashish, Amel
    Zidan, Mohamed
    Hashish, Mohamed
    Aql, Shaimaa
    Elhendawy, Abdelaziz Osman Abdelaziz
    Husseini, Mohamed
    Khater, Omar
    Kasem, Esraa Abdalmageed
    Gheith, Ahmed
    Elfouly, Yasmin
    Soliman, Ahmed Ragab
    Hani, Yasmein
    Elfouly, Nesma
    Fawzy, Ahmed
    Hassan, Ahmed
    Rashid, Mohammad
    Elsherbiny, Abdallah Salah
    Sieda, Basem
    Badwi, Nermin Mohamed
    Mohammed, Mohammed Mustafa Hassan
    Mohamed, Osama
    Habeeb, Mohammad Abdulkhalek
    Worku, Mengistu
    Starr, Nichole
    Desta, Semay
    Wondimu, Sahlu
    Abebe, Nebyou Seyoum
    Thomas, Efeson
    Asele, Frehun Ayele
    Dabessa, Daniel
    Abebe, Nebiyou Seyoum
    Zerihun, Abebe Bekele
    Scalabre, Aurelien
    Frade, Fernanda
    Irtan, Sabine
    Parent, Valentine
    Martin, Amandine
    Graffeille, Vivien
    Gaignard, Elodie
    Alimi, Quentin
    Abbo, Olivier
    Mouttalib, Sofia
    Bouali, Ourdia
    Hervieux, Erik
    Aigrain, Yves
    Botto, Nathalie
    Faure, Alice
    Fievet, Lucile
    Panait, Nicoleta
    Eyssartier, Emilie
    Schmitt, Francoise
    Podevin, Guillaume
    Muller, Cecile
    Bonnard, Arnaud
    Peycelon, Matthieu
    Abantanga, Francis
    Boakye-Yiadom, Kwaku
    Bukari, Mohammed
    Owusu, Frank
    Awuku-Asabre, Joseph
    Bray, Lemuel Davies
    Lytras, Dimitrios
    Psarianos, Kyriakos
    Bamicha, Anastasia
    Anthoulakis, Christos
    Nikoloudis, Nikolaos
    Mitroudis, Nikolaos
    Estupinian, Sergio
    Forno, Walter
    Guevara, Romeo
    Aguilera, Maria
    Mendez, Napoleon
    Mendizabal, Cesar Augusto Azmitia
    Ramazzini, Pablo
    Urquizu, Mario Contreras
    Rodriguez, Daniel Estuardo Marroquin
    Velsquez, Carlos Ivan Perez
    Merida, Sara Maria Contreras
    Regalado, Francisco
    Lopez, Mario
    Siguantay, Miguel
    Prasad, S. S.
    Kirishnan, Anand
    Gyanchandani, Nidhi
    Bhat, Sriram
    Sreedharan, Anjana
    Kinnera, S. V.
    Nadkami, Shravan
    Lakshmi, Harish Neelamraju
    Malik, Puneet
    Bin Mahamood, Abid
    Khajanchi, Monty
    Satoskar, Savni
    Satoskar, Rajeev
    Reddy, Yella
    Venugopal, Caranj
    Kumar, Sunil
    Sutanto, Eldaa Prisca Refianti
    Soeselo, Daniel Ardian
    Tedjaatmadja, Chintya
    Rahmawati, Fitriana Nur
    Mayasari, Maria
    Al-Hasani, Ruqaya Kadhim Mohammed Jawad
    Al-Hameedi, Hasan Ismael Ibraheem
    Al-Azraqi, Israa Abdullah Aziz
    Sabeeh, Lubna
    Kamil, Rahma
    Rasendran, Amoudtha
    Sheehan, Jacqueline
    Kerley, Robert
    Normile, Caoimhe
    Gilbert, Richard William
    Song, Jiheon
    Mauro, Linnea
    Dablouk, Mohammed Osman
    Kielty, Paul
    Marks, Eleanor
    Gosling, Simon
    Mccarthy, Michelle
    Mirghani, Diya
    Naqvi, Syed Altaf
    Wong, Chee Siong
    Gosling, Simon George
    Fahy, Ciara
    Cadogan, Diana Duarte
    Powell, Anna
    Gilbert, Richard
    Clifford, Caroline
    Driscoll, Aoife
    Paul, Stassen
    Lee, Chris
    Bowe, Ross
    Hutch, William
    Mohan, Helen
    O'Neill, Maeve
    Mealy, Kenneth
    Danelli, Piergiorgio
    Bondurri, Andrea
    Maffioli, Anna
    Bonavina, Luigi
    Macchitella, Yuri
    Ceriani, Chiara
    Veronese, Ezio
    Bortolasi, Luca
    Hasheminia, Alireza
    Benevento, Angelo
    Tessera, Gaetano
    Turati, Luca
    Sgroi, Giovanni
    Rausa, Emanuele
    Venskutonis, Donatas
    Bradulskis, Saulius
    Urbanavicius, Linas
    Austraite, Aiste
    Riauka, Romualdas
    Dambrauskas, Zilvinas
    Coomber, Ross
    Johnson, Kenneth
    Nowers, Jennifer
    Periasammy, Dineshwary
    Salleh, Afizah
    Das, Andre
    Tze, Reuben Goh Em
    Kumar, Milaksh Nirumal
    Abdullah, Nik Azim Nik
    Chong, Hoong Yin
    Agius, Marija
    Borg, Elaine
    Bezzina, Maureen
    Bugeja, Roberta
    Vella-Baldacchino, Martinique
    Spina, Andrew
    Psaila, Josephine
    Francois-Coridon, Helene
    Tolg, Cecilia
    Colombani, Jean-Francois
    Jacobe, Mario
    Mapasse, Domingos
    Snyder, Elizabeth
    Oumer, Ramadan
    Osman, Mohammed
    Mohammad, Aminu
    Anyanwu, Lofty-John
    Sheshe, Abdulrahman
    Adesina, Alaba
    Faturoti, Olubukola
    Taiwo, Ogechukwu
    Ibrahim, Muhammad Habib
    Nasir, Abdulrasheed A.
    Suleiman, Siyaka Itopa
    Adeniyi, Adewale
    Adesanya, Opeoluwa
    Adebanjo, Ademola
    Osuoji, Roland
    Atobatele, Kazeem
    Ogunyemi, Ayokunle
    Wiiliams, Omolara
    Oludara, Mobolaji
    Oshodi, Olabode
    Razzaq, Abdul
    Lawal, Oluwagbemiga
    Alakaloko, Felix
    Elebute, Olumide
    Osinowo, Adedapo
    Bode, Christopher
    Adesuyi, Abidemi
    Tade, Adesoji
    Adekoya, Adeleke
    Nwokoro, Collins
    Ayandipo, Omobolaji O.
    Lawal, Taiwo Akeem
    Ajao, Akinlabi E.
    Ali, Samuel Sani
    Odeyemi, Babatunde
    Olori, Samson
    Popoola, Ademola
    Adeyeye, Ademola
    Adeniran, James
    Lossius, William J.
    Havemann, Ingemar
    Thorsen, Kenneth
    Narvestad, Jon Kristian
    Wold, Trude Beate
    Nymo, Linn
    Elsiddig, Mohammed
    Dar, Manzoor
    Bhopal, Kamran Faisal
    Iftikhar, Zainab
    Furqan, Muhammad Mohsin
    Nighat, Bakhtiar
    Jawaid, Masood
    Khalique, Abdul
    Zil-E-Ali, Ahsan
    Rashid, Anam
    Aguilar, Wendy Leslie Messa
    Chiong, Jose Antonio Cabala
    Cecilia, Ana
    Bautista, Manchego
    Huaman, Eduardo
    Zegarra, Sergio
    Camacho, Rony
    Vergara Celis, Jose Maria
    Romani Pozo, Diego Alonso
    Hamasaki, Jose
    Temoche, Edilberto
    Herrera-Matta, Jaime
    Garcia Torres, Carla Pierina
    Alvarez Barreda, Luis Miguel
    Barrionuevo Ojeda, Ronald Renato
    Garaycochea, Octavio
    Mollo, Melanie Castro
    Delgado, Mitchelle Solange De Fa Tima Linares
    Fujii, Francisco
    Manchego Bautista, Ana Cecilia
    Messa Aguilar, Wendy Leslie
    Cabala Chiong, Jose Antonio
    Aranzabal Durand, Susana Yrma
    Arroyo Basto, Carlos Alejandro
    Urbina Rojas, Nelson Manuel
    Shu Yip, Sebastian Bernardo
    Contreras Vergara, Ana Lucia
    Rosas Moran, Andrea Echevarria
    Borda Luque, Giuliano
    Rodriguez Castro, Manuel
    Alvarado Jaramillo, Ramon
    Sila, George Manrique
    Lopez, Crislee Elizabeth
    De Leon, Mardelangel Zapata Ponze
    Machaca, Massiell
    Coasaca Huaraya, Ronald
    Arenas, Andy
    Herrera Puma, Clara Milagros
    Pino, Wilfredo
    Hinojosa, Christian
    Ponze De Leon, Melanie Zapata
    Limache, Susan
    Manrrique Sila, George
    Mercado Rodriguez, Layza-Alejandra
    Sauvat, Frederique
    Vida, Lucian Corneliu
    Muntean, Liviu Iuliu
    Mironescu, Aurel Sandu
    Alomar, Ibrahim N.
    Alnuqaydan, Saleh A.
    Altwigry, Abdulrahman M.
    Othman, Moayad
    Osman, Nohad
    Alqahtani, Enas
    Alzahrani, Mohammed
    Alyami, Rifan
    Aljohani, Emad
    Alhabli, Ibrahim
    Mikwar, Zaher
    Almuallem, Sultan
    Nawawi, Abrar
    Bakhaidar, Mohamad
    Maghrabi, Ashraf A.
    Alsaggaf, Mohammed
    Aljiffry, Murad
    Altaf, Abdulmalik
    Khoja, Ahmad
    Habeebullah, Alaa
    Akeel, Nouf
    Ghandora, Nashat
    Almoflihi, Abdullah
    Huwait, Abdulmalik
    Al-Shammari, Abeer
    Al-Mousa, Mashael
    Alghamdi, Masood
    Adham, Walid
    Albeladi, Bandar
    Alfarsi, Muayad Ahmed
    Mahdi, Atif
    Al Awwad, Saad
    Nouh, Thamer
    Hassanain, Mazen
    Aldhafeeri, Salman
    Sadig, Nawal
    Algohary, Osama
    Aledrisy, Mohannad
    Gudal, Ahmad
    Alrifaie, Ahmad
    AlRowais, Mohammed
    Althwainy, Amani
    Shabkah, Alaa
    Alamoudi, Uthman
    Alrajraji, Mawaddah
    Alghamdi, Basim
    Aljohani, Saud
    Daqeeq, Abdullah
    Al-Faifi, Jubran J.
    Jennings, Vicky
    Ngayu, Nyawira
    Moore, Rachel
    Kong, Victor
    Sampson, Colleen
    Panieri, Eugenio
    Tun, Myint
    Mphatsoe, Albert Mohale
    Carreira, Jo-Anne
    Teasdale, Ella
    Wagener, Mark
    Botes, Stefan
    Du Plessis, Danelo
    Pagnozzi, Janet
    Quezada, Jimy Harold Jara
    Rodicio, Jose Luis
    Minguez, German
    Rodriguez-Uria, Raquel
    Ugalde, Paul
    Lopez-Arevalo, Camilo
    Barneo, Luis
    Gonzales Stuva, Jessica Patricia
    Aguilar-Jimenez, Jose
    Andres Garcia-Marin, Jose
    Ortega-Vazquez, Irene
    Rodriguez, Lorena
    Herrera, Norberto
    Arachchi, Prasad Pitigala
    Jan, Wanigasekara Senanayake Mudiyanselage Kithsiri
    Arachchige, Lalith Asanka Jayasooriya Jayasooriya
    Sivaganesh, Sivasuriya
    Samaraweera, Dulan Irusha
    Thanusan, Vimalakanthan
    Musa, Ahmed Elgaili Khalid
    Balila, Reem Mohammed Hassan
    Mohamed, Mohamed Awad Elkarim Hamad
    Ali, Hussein
    Elabdin, Hagir Zain
    Hassan, Alaa
    Mahdi, Sefeldin
    Ahmed, Hala
    Idris, Sahar Abdoun Ishag
    Elsayed, Makki
    Elsayed, Mohammed
    Mahmoud, Mohamed
    Thorarinsdottir, Hildur
    Utter, Maria
    Sundstrom, Sami Martin
    Wredberg, Cecilia
    Kjellin, Ann
    Nyberg, Johanna
    Frisk, Bjorn
    Ahlqvist, Sandra
    Bjorklund, Ida
    Hjertberg, Maria
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Andersson, Linda
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Gunnarsson, Ulf
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Royson, Hanna
    Weber, Per
    Schmid, Roger
    Schivo, Debora
    Despotidis, Vasileios
    Breitenstein, Stefan
    Staerkle, Ralph F.
    Schadde, Erik
    Deichsel, Fabian
    Gerosa, Alexandra
    Nocito, Antonio
    Raptis, Dimitri Aristotle
    Mijuskovic, Barbara
    Zuber, Markus
    Eisner, Lukas
    Kruspi, Swantje
    Reinisch, Katharina Beate
    Schoewe, Christin
    Novak, Allan
    Palma, Adrian F.
    Teufelberger, Gerfried
    Balkan, Ali Zeynel Abidin
    Gumar, Mehmet
    Yavuz, Mehmet Ali
    Karabacak, Ufuk
    Lap, Gokhan
    Ozkan, Bahar Busra
    Adams, Ryan
    Morton, Robert
    Henderson, Liam
    Gratton, Ruth
    Clement, Keiran David
    Chang, Kate Yu-Ching
    McNish, David
    McIntosh, Ryan
    Milligan, William
    Skelly, Brendan
    Anderson-Knight, Hannah
    Lawther, Roger
    Onimowo, Jemina
    Shatkar, Veereanna
    Tharmalingam, Shivanee
    Woin, Evelina
    Fautz, Tessa
    Ziff, Oliver
    Dindyal, Shiva
    Arman, Sam
    Talukder, Shagorika
    Gadhvi, Vijay
    Chew, Luen Shaun
    Heath, Jonathan
    Mannu, Gurdeep Singh
    Zachariades, Dimitris-Christos
    Snaith, Ailsa Claire
    Hettiarachchi, Thusitha Sampath
    Nesaratnam, Arjun
    Wheeler, James
    Sykes, Mark
    Behar, Nebil
    Jordan, Harriet
    Arulampalam, Tan
    Shah, Apar
    Brown, Damien
    Blower, Emma
    Sutton, Paul
    Gasteratos, Konstantinos
    Vimalachandran, Dale
    Magee, Cathy
    Mcguigan, Andrew
    Mcaleer, Stephen
    Morgan, Clare
    Braungart, Sarah
    Lafferty, Kirsten
    Labib, Peter
    Tanase, Andrei
    Mangan, Clodagh
    Reza, Lillian
    Woodward, Helen
    Gouldthorpe, Craig
    Turner, Megan
    Wild, Jonathan R. L.
    Malik, Tom Am
    Proctor, Victoria K.
    Hewage, Kalon
    Davies, James
    Dubois, Andre
    Sarwary, Sayed
    Zardab, Ali
    Grant, Alan
    Mcintyre, Robert
    Tewari, Shirish
    Humm, Gemma
    Farinella, Eriberto
    Parthiban, Sunil
    Hall, Nigel J.
    Wright, Naomi J.
    Major, Christina P.
    Xerri, Thelma
    De Bono, Phoebe
    Amin, Jasim
    Farhad, Mustafa
    Camilleri-Brennan, John F.
    Robertson, Andrew G. N.
    Swann, Joanna
    Richards, James
    Jabbar, Aijaz
    Attard, Myranda
    Burns, Hannah
    Macdonald, Euan
    Baldacchino, Matthew
    Skehan, Jennifer
    Camilleri-Brennan, Julian
    Hall, Tom Falconer
    Gimzewska, Madelaine
    Mclachlan, Greta
    Shah, Jamie
    Giles, James
    Hassan, Maleeha
    Beasley, William
    Vlachogiorgos, Apostolos
    Dias, Stephen
    Maharaj, Geta
    McDonald, Rosie
    Cross, Kate
    Rees, Clare M.
    Van Duren, Bernard
    Upchurch, Emma
    Karandikar, Sharad
    Bowley, Doug
    Karim, Ahmed
    Chachulski, Witold
    Richardson, Liam
    Dawnay, Giles
    Thompson, Ben
    Mistry, Ajayesh
    Ghetia, Millika
    Roy, Sudipta
    Al-Obaedi, Ossama
    Das, Kaustuv
    Prabhudesai, Ash
    Cocker, D. M.
    Tan, Jessica Juliana
    Vivekanantham, Sayinthen
    Gillespie, Michael
    Gudlaugsdottir, Katrin
    Pezas, Theodore
    Currow, Chelise
    Kim, Matthew Young-Han
    Salama, Yahya
    Shah, Rohi
    Ibrahem, Ahmad Aboelkassem
    Ebdewi, Hamdi
    Gravante, Gianpiero
    El-Rabaa, Saleem
    Chan, Zoe
    Hassan, Zaffar
    Makinde, Misty
    Hemingway, David
    Dean, Ramzana
    Boddy, Alexander
    Aber, Ahmed
    Patel, Vijay
    Kotecha, Deevia
    Ubhi, Harmony Kaur
    Hosein, Simon-Peter
    Ward, Simon
    Malik, Kamran
    Jennings, Leifa
    Newton, Tom
    Alkhouri, Mirna
    Kang, Min Kyu
    Houlden, Christopher
    Barry, Jonathan
    Wilson, Michael S. J.
    Neo, Yan Ning
    Ibrahim, Ibrahim
    Chan, Emily
    Peck, Fraser S.
    Lim, Pei J.
    North, Alexander S.
    Blundell, Rebecca
    Williamson, Adam
    Fouad, Dina
    Minocha, Ashish
    Mccarthy, Kathryn
    Court, Emma
    Chambers, Alice
    Yee, Jenna
    Tham, Ji Chung
    Beaton, Ceri
    Walsh, Una
    Lockey, Joseph
    Bokhari, Salman
    Howells, Lara
    Griffiths, Megan
    Yallop, Laura
    Singh, Shailinder
    Nasher, Omar
    Jackson, Paul
    Ramzi, Saed
    Zeidan, Shady
    Doughty, Jennifer
    Sinha, Sidhartha
    Davenport, Ross
    Lewis, Jason
    Duffy, Leo
    Mcaleer, Elizabeth
    Williams, Eleanor
    Obute, Rhalumi Daniel
    Glover, Thomas E.
    Clark, David J.
    Boshnaq, Mohamed
    Akhtar, Mansoor
    Capleton, Pascale
    Doughan, Samer
    Rabie, Mohamed
    Mohamed, Ismail
    Samuel, Duncan
    Dickson, Lauren
    Kennedy, Matthew
    Dempster, Eleanor
    Brown, Emma
    Maple, Natalie
    Monaghan, Eimear
    Wolf, Bernhard
    Garland, Alicia
    Lund, Jonathan
    Boereboom, Catherine
    Murphy, Jennifer
    Tierney, Gillian
    Tou, Samson
    Zimmermann, Eleanor Franziska
    Smart, Neil James
    Warwick, Andrea Marie
    Stasinou, Theodora
    Daniels, Ian
    Findlay-Cooper, Kim
    Mitrasinovic, Stefan
    Ray, Swayamjyoti
    Varcada, Massimo
    D'souza, Rovan
    Omara, Sharif
    Boyce, Tamsin
    Whewell, Harriet
    Jones, Elin
    Ma, Jennifer
    Abington, Emily
    Ramcharn, Meera
    Williams, Gethin
    Winstanley, Joseph
    Kennedy, Ewan D.
    Yeung, Emily N. W.
    Fergusson, Stuart J.
    Jones, Catrin
    O'neill, Stephen
    Lim, Shujing Jane
    Liew, Ignatius
    Nair, Hari
    Fairfield, Cameron
    Oh, Julia
    Koh, Samantha
    Wilson, Andrew
    Fairfield, Catherine
    Th'ng, Francesca
    Robertson, Nichola
    Anandkumar, Delran
    Kirupagaran, Ashok
    Jones, Timothy F.
    Torrance, Hew D.
    Fowler, Alexander J.
    Chandrakumar, Charmilie
    Patel, Priyank
    Ashraf, Syed Faaz
    Lakhani, Sonam M.
    Mclean, Aaron Lawson
    Basson, Sonia
    Batt, Jeremy
    Bowman, Catriona
    Stoddart, Michael
    Benons, Natasha
    Barker, Tom
    Summerour, Virginia
    Harper, Edward
    Smith, Caroline
    Hampton, Matthew
    Mckechnie, Doug
    Farah, Ayaan
    Chun, Anita
    Pereira, Bernadette
    Nemeth, Kristof
    Decker, Emily
    Giuliani, Stefano
    Shalaby, Aly
    Szczap, Aleksandra
    Chidambaram, Swathikan
    Chen, Chee Yang
    Kulasabanathan, Kavian
    Chhabra, Srishti
    Kostov, Elisabeth
    Harbord, Philippe
    Barnacle, James
    Palliyil, Madan Mohan
    Zikry, Mina
    Porter, Johnathan
    Raslan, Charef
    Hafiz, Shazia
    Soltani, Niksa
    Baillie, Katie
    Mirza, Ahmad
    Saeed, Haroon
    Galloway, Simon
    Elena, Gia
    Afzal, Mohammad
    Zakir, Mohamed
    Sodde, Peter
    Hand, Charles
    Sriram, Aiesha
    Clark, Tamsyn
    Holton, Patrick
    Livesey, Amy
    Sinha, Yashashwi
    Iqbal, Fahad Mujtaba
    Bharj, Indervir Singh
    Rotundo, Adriana
    Jenvey, Cara
    Slade, Robert
    Golding, David
    Haines, Samuel
    Abdullah, Ali Adel Ne'ma
    Tilston, Thomas W.
    Loughran, Dafydd
    Donoghue, Danielle
    Giacci, Lorenzo
    Sherif, Mohamed Ashur
    Harrison, Peter
    Tang, Alethea
    Elshaer, Mohamed
    Urbonas, Tomas
    Riaz, Amjid
    Chapman, Annie
    Acharya, Parisha
    Shalhoub, Joseph
    Grossart, Cathleen
    McMorran, David
    Mlotshwa, Makhosini
    Hawkins, William
    Loizides, Sofronis
    Thomson, Peter
    Khan, Shahab
    Taylor, Fiona
    Shukla, Jalak
    Howie, Emma Elizabeth
    Macdonald, Linda
    Komolafe, Olusegun
    Mcintyre, Neil
    Cragg, James
    Parker, Jody
    Stewart, Duncan
    Lintin, Luke
    Tracy, Julia
    Farooq, Tahir
    Sion, Melanie
    Weinstein, Michael S.
    Punja, Viren
    Bugaev, Nikolay
    Goodstein, Monica
    Razmdjou, Shadi
    Determinants of morbidity and mortality following emergency abdominal surgery in children in low-income and middle-income countries2016In: BMJ Global Health, ISSN 2059-7908, Vol. 1, no 4, article id e000091Article in journal (Refereed)
    Abstract [en]

    Background: Child health is a key priority on the global health agenda, yet the provision of essential and emergency surgery in children is patchy in resource-poor regions. This study was aimed to determine the mortality risk for emergency abdominal paediatric surgery in low-income countries globally.

    Methods: Multicentre, international, prospective, cohort study. Self-selected surgical units performing emergency abdominal surgery submitted prespecified data for consecutive children aged <16 years during a 2-week period between July and December 2014. The United Nation's Human Development Index (HDI) was used to stratify countries. The main outcome measure was 30-day postoperative mortality, analysed by multilevel logistic regression.

    Results: This study included 1409 patients from 253 centres in 43 countries; 282 children were under 2 years of age. Among them, 265 (18.8%) were from low-HDI, 450 (31.9%) from middle-HDI and 694 (49.3%) from high-HDI countries. The most common operations performed were appendectomy, small bowel resection, pyloromyotomy and correction of intussusception. After adjustment for patient and hospital risk factors, child mortality at 30 days was significantly higher in low-HDI (adjusted OR 7.14 (95% CI 2.52 to 20.23), p<0.001) and middle-HDI (4.42 (1.44 to 13.56), p=0.009) countries compared with high-HDI countries, translating to 40 excess deaths per 1000 procedures performed.

    Conclusions: Adjusted mortality in children following emergency abdominal surgery may be as high as 7 times greater in low-HDI and middle-HDI countries compared with high-HDI countries. Effective provision of emergency essential surgery should be a key priority for global child health agendas.

  • 3. Agudo, Antonio
    et al.
    Bonet, Catalina
    Sala, Núria
    Muñoz, Xavier
    Aranda, Núria
    Fonseca-Nunes, Ana
    Clavel-Chapelon, Françoise
    Boutron-Ruault, Marie Christine
    Vineis, Paolo
    Panico, Salvatore
    Palli, Domenico
    Tumino, Rosario
    Grioni, Sara
    Quirós, J Ramón
    Molina, Esther
    Navarro, Carmen
    Barricarte, Aurelio
    Chamosa, Saioa
    Allen, Naomi E
    Khaw, Kay-Tee
    Bueno-de-Mesquita, H Bas
    Siersema, Peter D
    Numans, Mattijs E
    Trichopoulou, Antonia
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Kaaks, Rudof
    Canzian, Federico
    Boeing, Heiner
    Meidtner, Karina
    Johansson, Mattias
    Umeå University, Faculty of Medicine. WHO, IARC, Lyon, France.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Manjer, Jonas
    Overvad, Kim
    Tjonneland, Anne
    Lund, Eiliv
    Weiderpass, Elisabete
    Jenab, Mazda
    Fedirko, Veronika
    Offerhaus, G Johan A
    Riboli, Elio
    González, Carlos A
    Jakszyn, Paula
    Hemochromatosis (HFE) gene mutations and risk of gastric cancer in the European Prospective Investigation into Cancer and Nutrition (EPIC) study2013In: Carcinogenesis, ISSN 0143-3334, E-ISSN 1460-2180, Vol. 34, no 6, p. 1244-1250Article in journal (Refereed)
    Abstract [en]

    Hereditary hemochromatosis (HH) is a strong risk factor for hepatocellular cancer, and mutations in the HFE gene associated with HH and iron overload may be related to other tumors, but no studies have been reported for gastric cancer (GC). A nested case-control study was conducted within the European Prospective Investigation into Cancer and Nutrition (EPIC), including 365 incident gastric adenocarcinoma and 1284 controls matched by center, sex, age and date of blood collection. Genotype analysis was performed for two functional polymorphisms (C282Y/rs1800562 and H63D/rs1799945) and seven tagSNPs of the HFE genomic region. Association with all gastric adenocarcinoma, and according to anatomical localization and histological subtype, was assessed by means of the odds ratio (OR) and 95% confidence interval (CI) estimated by unconditional logistic regression adjusted for the matching variables. We observed a significant association for H63D with OR (per rare allele) of 1.32 (CI = 1.03-1.69). In subgroup analyses, the association was stronger for non-cardia anatomical subsite (OR = 1.60, CI = 1.16-2.21) and intestinal histological subtype (OR = 1.82, CI = 1.27-2.62). Among intestinal cases, two tagSNPs (rs1572982 and rs6918586) also showed a significant association that disappeared after adjustment for H63D. No association with tumors located in the cardia or with diffuse subtype was found for any of the nine SNPs analyzed. Our results suggest that H63D variant in HFE gene seems to be associated with GC risk of the non-cardia region and intestinal type, possibly due to its association with iron overload although a role for other mechanisms cannot be entirely ruled out.

  • 4. Aleksandrova, Krasimira
    et al.
    Bamia, Christina
    Drogan, Dagmar
    Lagiou, Pagona
    Trichopoulou, Antonia
    Jenab, Mazda
    Fedirko, Veronika
    Romieu, Isabelle
    Bueno-de-Mesquita, H. Bas
    Pischon, Tobias
    Tsilidis, Kostas
    Overvad, Kim
    Tjønneland, Anne
    Bouton-Ruault, Marie-Christine
    Dossus, Laure
    Racine, Antoine
    Kaaks, Rudolf
    Kuehn, Tilman
    Tsironis, Christos
    Papatesta, Eleni-Maria
    Saitakis, George
    Palli, Domenico
    Panico, Salvatore
    Grioni, Sara
    Tumino, Rosario
    Vineis, Paolo
    Peeters, Petra H.
    Weiderpass, Elisabete
    Lukic, Marko
    Braaten, Tonje
    Ramon Quiros, J.
    Lujan-Barroso, Leila
    Sanchez, Mara-Jose
    Chilarque, Maria-Dolores
    Ardanas, Eva
    Dorronsoro, Miren
    Nilsson, Lena Maria
    Umeå University, Arctic Research Centre at Umeå University.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery. Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Nutritional Research.
    Wallström, Peter
    Ohlsson, Bodil
    Bradbury, Kathryn E.
    Khaw, Kay-Tee
    Wareham, Nick
    Stepien, Magdalena
    Duarte-Salles, Talita
    Assi, Nada
    Murphy, Neil
    Gunter, Marc J.
    Riboli, Elio
    Boeing, Heiner
    Trichopoulos, Dimitrios
    The association of coffee intake with liver cancer risk is mediated by biomarkers of inflammation and hepatocellular injury: data from the European Prospective Investigation into Cancer and Nutrition2015In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 102, no 6, p. 1498-1508Article in journal (Refereed)
    Abstract [en]

    Background: Higher coffee intake has been purportedly related to a lower risk of liver cancer. However, it remains unclear whether this association may be accounted for by specific biological mechanisms. Objective: We aimed to evaluate the potential mediating roles of inflammatory, metabolic, liver injury, and iron metabolism biomarkers on the association between coffee intake and the primary form of liver cancer-hepatocellular carcinoma (HCC). Design: We conducted a prospective nested case-control study within the European Prospective Investigation into Cancer and Nutrition among 125 incident HCC cases matched to 250 controls using an incidence-density sampling procedure. The association of coffee intake with HCC risk was evaluated by using multivariable-adjusted conditional logistic regression that accounted for smoking, alcohol consumption, hepatitis infection, and other established liver cancer risk factors. The mediating effects of 21 biomarkers were evaluated on the basis of percentage changes and associated 95% CIs in the estimated regression coefficients of models with and without adjustment for biomarkers individually and in combination. Results: The multivariable-adjusted RR of having >= 4 cups (600mL) coffee/d compared with <2 cups (300 mL)/d was 0.25 (95% CI: 0.11, 0.62; P-trend = 0.006). A statistically significant attenuation of the association between coffee intake and HCC risk and thereby suspected mediation was confirmed for the inflammatory biomarker IL-6 and for the biomarkers of hepatocellular injury glutamate dehydrogenase, alanine aminotransferase, aspartate aminotransferase (AST), gamma-glutamyltransferase (GGT), and total bilirubin, which-in combination-attenuated the regression coefficients by 72% (95% CI: 7%, 239%). Of the investigated biomarkers, IL-6, AST, and GGT produced the highest change in the regression coefficients: 40%, 56%, and 60%, respectively. Conclusion: These data suggest that the inverse association of coffee intake with HCC risk was partly accounted for by biomarkers of inflammation and hepatocellular injury.

  • 5. Aleksandrova, Krasimira
    et al.
    Boeing, Heiner
    Nöthlings, Ute
    Jenab, Mazda
    Fedirko, Veronika
    Kaaks, Rudolf
    Lukanova-McGregor, Annekatrin
    Umeå University, Faculty of Medicine, Department of Medical Biosciences, Pathology. Division of Cancer Epidemiology, German Cancer Research Center, Heidelberg, Germany.
    Trichopoulou, Antonia
    Trichopoulos, Dimitrios
    Boffetta, Paolo
    Trepo, Elisabeth
    Westhpal, Sabine
    Duarte-Salles, Talita
    Stepien, Magdalena
    Overvad, Kim
    Tjønneland, Anne
    Halkjær, Jytte
    Boutron-Ruault, Marie-Christine
    Dossus, Laure
    Racine, Antoine
    Lagiou, Pagona
    Bamia, Christina
    Benetou, Vassiliki
    Agnoli, Claudia
    Palli, Domenico
    Panico, Salvatore
    Tumino, Rosario
    Vineis, Paolo
    Bueno-de-Mesquita, Bas
    Peeters, Petra H
    Gram, Inger Torhild
    Lund, Eiliv
    Weiderpass, Elisabete
    Quirós, J Ramón
    Agudo, Antonio
    Sánchez, María-José
    Gavrila, Diana
    Barricarte, Aurelio
    Dorronsoro, Miren
    Ohlsson, Bodil
    Lindkvist, Björn
    Johansson, Anders
    Umeå University, Faculty of Medicine, Department of Odontology. Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Nutritional Research.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Khaw, Kay-Tee
    Wareham, Nicholas
    Travis, Ruth C
    Riboli, Elio
    Pischon, Tobias
    Inflammatory and metabolic biomarkers and risk of liver and bilary tract cancer2014In: Hepatology, ISSN 0270-9139, E-ISSN 1527-3350, Vol. 60, no 3, p. 858-871Article in journal (Refereed)
    Abstract [en]

    Obesity and associated metabolic disorders have been implicated in liver carcinogenesis; however there is little data on the role of obesity-related biomarkers on liver cancer risk. We studied prospectively the association of inflammatory and metabolic biomarkers with risks of hepatocellular carcinoma (HCC), intra-hepatic bile duct (IBD) and gallbladder and bilary tract cancers outside of the liver (GBTC) in a nested case-control study within the European Prospective Investigation into Cancer and Nutrition (EPIC). Over an average of 7.7 years, 296 participants developed HCC (n=125), GBTC (n=137) or IBD (n=34). Using risk set sampling, controls were selected in a 2:1 ratio and matched for recruitment center, age, sex, fasting status, time of blood collection. Baseline serum concentrations of C-reactive protein (CRP), interleukin-6 (IL-6), C-peptide, total, high-molecular-weight (HMW) adiponectin, leptin, fetuin-a, and glutamatdehydrogenase (GLDH) were measured and incidence rate ratios (IRRs) and 95% confidence intervals (CI-s) estimated using conditional logistic regression. After adjustment for lifestyle factors, diabetes, hepatitis infection and adiposity measures, higher concentrations of CRP, IL-6, C-peptide and non-HMW adiponectin were associated with higher risk of HCC (IRR per doubling of concentrations = 1.22; 95%CI = 1.02-1.46, P=0.03; 1.90; 95%CI = 1.30-2.77, P=0.001; 2.25; 95%CI = 1.43-3.54, P=0.0005 and 2.09; 95%CI = 1.19-3.67, P=0.01, respectively). CRP was associated also with risk of GBTC (IRR = 1.22; 95%CI = 1.05-1.42, P=0.01). GLDH was associated with risks of HCC (IRR = 1.62; 95%CI = 1.25-2.11, P=0.0003) and IBD (IRR = 10.5; 95%CI = 2.20-50.90, P=0.003). The continuous net reclassification index was 0.63 for CRP, IL-6, C-peptide and non-HMW adiponectin, and 0.46 for GLDH indicating good predictive ability of these biomarkers. Conclusion: Elevated levels of biomarkers of inflammation and hyperinsulinemia are associated with a higher risk of HCC, independent of obesity and established liver cancer risk factors.

  • 6. Andersson, Roland
    et al.
    Hellman, Per
    Johansson, Jan
    Lagergren, Jesper
    Martling, Anna
    Naredi, Peter
    Nilsson, Magnus
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Selektiv nivåstrukturering av svensk kirurgi behövs2018In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 115, article id E76EArticle in journal (Other (popular science, discussion, etc.))
  • 7. Araghi, Marzieh
    et al.
    Galanti, Maria Rosaria
    Lundberg, Michael
    Lager, Anton
    Engström, Gunnar
    Alfredsson, Lars
    Knutsson, Anders
    Norberg, Margareta
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Epidemiology and Global Health.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Wennberg, Patrik
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Family Medicine.
    Trolle Lagerros, Ylva
    Bellocco, Rino
    Pedersen, Nancy L.
    Östergren, Per-Olof
    Magnusson, Cecilia
    Use of moist oral snuff (snus) and pancreatic cancer: pooled analysis of nine prospective observational studies2017In: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 141, no 4, p. 687-693Article in journal (Refereed)
    Abstract [en]

    While smoking is a well-established risk factor for pancreatic cancer, the effect of smokeless tobacco is less well understood. We used pooled individual data from the Swedish Collaboration on Health Effects of Snus Use to assess the association between Swedish snus use and the risk of pancreatic cancer. A total of 424,152 male participants from nine cohort studies were followed up for risk of pancreatic cancer through linkage to health registers. We used shared frailty models with random effects at the study level, to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) adjusted for confounding factors. During 9,276,054 person-years of observation, 1,447 men developed pancreatic cancer. Compared to never-snus use, current snus use was not associated with risk of pancreatic cancer (HR 0.96, 95% CI 0.83–1.11) after adjustment for smoking. Swedish snus use does not appear to be implicated in the development of pancreatic cancer in men. Tobacco smoke constituents other than nicotine or its metabolites may account for the relationship between smoking and pancreatic cancer.

  • 8. Bakker, Marije F.
    et al.
    Peeters, Petra H. M.
    Klaasen, Veronique M.
    Bueno-de-Mesquita, H. Bas
    Jansen, Eugene H. J. M.
    Ros, Martine M.
    Travier, Noemie
    Olsen, Anja
    Tjønneland, Anne
    Overvad, Kim
    Rinaldi, Sabina
    Romieu, Isabelle
    Brennan, Paul
    Boutron-Ruault, Marie-Christine
    Perquier, Florence
    Cadeau, Claire
    Boeing, Heiner
    Aleksandrova, Krasimira
    Kaaks, Rudolf
    Kühn, Tilman
    Trichopoulou, Antonia
    Lagiou, Pagona
    Trichopoulos, Dimitrios
    Vineis, Paolo
    Krogh, Vittorio
    Panico, Salvatore
    Masala, Giovanna
    Tumino, Rosario
    Weiderpass, Elisabete
    Skeie, Guri
    Lund, Eiliv
    Ramon Quirós, J.
    Ardanaz, Eva
    Navarro, Carmen
    Amiano, Pilar
    Sánchez, María-José
    Buckland, Genevieve
    Ericson, Ulrika
    Sonestedt, Emily
    Johansson, Matthias
    Umeå University, Faculty of Medicine, Department of Biobank Research. International Agency for Research on Cancer, Lyon, France.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Travis, Ruth C.
    Key, Timothy J.
    Khaw, Kay-Tee
    Wareham, Nick
    Riboli, Elio
    van Gils, Carla H.
    Plasma carotenoids, vitamin C, tocopherols, and retinol and the risk of breast cancer in the European Prospective Investigation into Cancer and Nutrition cohort2016In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 103, no 2, p. 454-464Article in journal (Refereed)
    Abstract [en]

    Background: Carotenoids and vitamin C are thought to be associated with reduced cancer risk because of their antioxidative capacity.

    Objective: This study evaluated the associations of plasma carotenoid, retinol, tocopherol, and vitamin C concentrations and risk of breast cancer.

    Design: In a nested case-control study within the European Prospective Investigation into Cancer and Nutrition cohort, 1502 female incident breast cancer cases were included, with an oversampling of premenopausal (n = 582) and estrogen receptor-negative (ER-) cases (n = 462). Controls (n = 1502) were individually matched to cases by using incidence density sampling. Prediagnostic samples were analyzed for alpha-carotene, beta-carotene, lycopene, lutein, zeaxanthin, beta-cryptoxanthin, retinol, alpha-tocopherol, gamma-tocopherol, and 454 vitamin C. Breast cancer risk was computed according to hormone receptor status and age at diagnosis (proxy for menopausal status) by using conditional logistic regression and was further stratified by smoking status, alcohol consumption, and body mass index (BMI). All statistical tests were 2-sided.

    Results: In quintile 5 compared with quintile 1, alpha-carotene (OR: 0.61; 95% CI: 0.39, 0.98) and beta-carotene (OR: 0.41; 95% CI: 0.26, 0.65) were inversely associated with risk of ER- breast tumors. The other analytes were not statistically associated with ER- breast cancer. For estrogen receptor-positive (ER+) tumors, no statistically significant associations were found. The test for heterogeneity between ER- and ER+ tumors was statistically significant only for beta-carotene (P-heterogeneity = 0.03). A higher risk of breast cancer was found for retinol in relation to ER-/progesterone receptor-negative tumors (OR: 2.37; 95% CI: 1.20, 4.67; P-heterogeneity with ER+/progesterone receptor positive = 0.06). We observed no statistically significant interaction between smoking, alcohol, or BMI and all investigated plasma analytes (based on tertile distribution).

    Conclusion: Our results indicate that higher concentrations of plasma beta-carotene and alpha-carotene are associated with lower breast cancer risk of ER tumors.

  • 9. Bamia, Christina
    et al.
    Lagiou, Pagona
    Jenab, Mazda
    Trichopoulou, Antonia
    Fedirko, Veronika
    Aleksandrova, Krasimira
    Pischon, Tobias
    Overvad, Kim
    Olsen, Anja
    Tjønneland, Anne
    Boutron-Ruault, Marie-Christine
    Fagherazzi, Guy
    Racine, Antoine
    Kuhn, Tilman
    Boeing, Heiner
    Floegel, Anna
    Benetou, Vasiliki
    Palli, Domenico
    Grioni, Sara
    Panico, Salvatore
    Tumino, Rosario
    Vineis, Paolo
    Bueno-de-Mesquita, H B As
    Dik, Vincent K
    Bhoo-Pathy, Nirmala
    Uiterwaal, Cuno S P M
    Weiderpass, Elisabete
    Lund, Eiliv
    Quirós, J Ramón
    Zamora-Ros, Raul
    Molina-Montes, Esther
    Chirlaque, Maria-Dolores
    Ardanaz, Eva
    Dorronsoro, Miren
    Lindkvist, Björn
    Wallström, Peter
    Nilsson, Lena Maria
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Nutritional Research. Umeå University, Arctic Research Centre at Umeå University.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Khaw, Kay-Tee
    Wareham, Nick
    Bradbury, Kathryn E
    Travis, Ruth C
    Ferrari, Pietro
    Duarte-Salles, Talita
    Stepien, Magdalena
    Gunter, Marc
    Murphy, Neil
    Riboli, Elio
    Trichopoulos, Dimitrios
    Coffee, tea and decaffeinated coffee in relation to hepatocellular carcinoma in a European population: multicentre, prospective cohort study2015In: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 136, no 8, p. 1899-1908Article in journal (Refereed)
    Abstract [en]

    Inverse associations of coffee and/or tea in relation to hepatocellular carcinoma (HCC) risk have been consistently identified in studies conducted mostly in Asia where consumption patterns of such beverages differ from Europe. In the European Prospective Investigation into Cancer and nutrition (EPIC), we identified 201 HCC cases among 486,799 men/women, after a median follow-up of 11 years. We calculated adjusted hazard ratios (HRs) for HCC incidence in relation to quintiles/categories of coffee/tea intakes. We found that increased coffee and tea intakes were consistently associated with lower HCC risk. The inverse associations were substantial, monotonic and statistically significant. Coffee consumers in the highest compared to the lowest quintile had lower HCC risk by 72% [HR: 0.28; 95% confidence intervals (CIs): 0.16-0.50, p-trend < 0.001]. The corresponding association of tea with HCC risk was 0.41 (95% CI: 0.22-0.78, p-trend = 0.003). There was no compelling evidence of heterogeneity of these associations across strata of important HCC risk factors, including hepatitis B or hepatitis C status (available in a nested case-control study). The inverse, monotonic associations of coffee intake with HCC were apparent for caffeinated (p-trend = 0.009), but not decaffeinated (p-trend = 0.45) coffee for which, however, data were available for a fraction of subjects. Results from this multicentre, European cohort study strengthen the existing evidence regarding the inverse association between coffee/tea and HCC risk. Given the apparent lack of heterogeneity of these associations by HCC risk factors and that coffee/tea are universal exposures, our results could have important implications for high HCC risk subjects.

  • 10. Barrdahl, Myrto
    et al.
    Canzian, Federico
    Joshi, Amit D.
    Travis, Ruth C.
    Chang-Claude, Jenny
    Auer, Paul L.
    Gapstur, Susan M.
    Gaudet, Mia
    Diver, W. Ryan
    Henderson, Brian E.
    Haiman, Christopher A.
    Schumacher, Fredrick R.
    Le Marchand, Loic
    Berg, Christine D.
    Chanock, Stephen J.
    Hoover, Robert N.
    Rudolph, Anja
    Ziegler, Regina G.
    Giles, Graham G.
    Baglietto, Laura
    Severi, Gianluca
    Hankinson, Susan E.
    Lindstroem, Sara
    Willet, Walter
    Hunter, David J.
    Buring, Julie E.
    Lee, I-Min
    Zhang, Shumin
    Dossus, Laure
    Cox, David G.
    Khaw, Kay-Tee
    Lund, Eiliv
    Naccarati, Alessio
    Peeters, Petra H.
    Ramon Quiros, J.
    Riboli, Elio
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Trichopoulos, Dimitrios
    Prentice, Ross L.
    Kraft, Peter
    Kaaks, Rudolf
    Campa, Daniele
    Post-G WAS gene-environment interplay in breast cancer: results from the Breast and Prostate Cancer Cohort Consortium and a meta-analysis on 79 000 women2014In: Human Molecular Genetics, ISSN 0964-6906, E-ISSN 1460-2083, Vol. 23, no 19, p. 5260-5270Article in journal (Refereed)
    Abstract [en]

    We studied the interplay between 39 breast cancer (BC) risk SNPs and established BC risk (body mass index, height, age at menarche, parity, age at menopause, smoking, alcohol and family history of BC) and prognostic factors (TNM stage, tumor grade, tumor size, age at diagnosis, estrogen receptor status and progesterone receptor status) as joint determinants of BC risk. We used a nested case-control design within the National Cancer Institute's Breast and Prostate Cancer Cohort Consortium (BPC3), with 16 285 BC cases and 19 376 controls. We performed stratified analyses for both the risk and prognostic factors, testing for heterogeneity for the risk factors, and case-case comparisons for differential associations of polymorphisms by subgroups of the prognostic factors. We analyzed multiplicative interactions between the SNPs and the risk factors. Finally, we also performed a meta-analysis of the interaction ORs from BPC3 and the Breast Cancer Association Consortium. After correction for multiple testing, no significant interaction between the SNPs and the established risk factors in the BPC3 study was found. The meta-analysis showed a suggestive interaction between smoking status and SLC4A7-rs4973768 (P-interaction = 8.84 x 10(-4)) which, although not significant after considering multiple comparison, has a plausible biological explanation. In conclusion, in this study of up to almost 79 000 women we can conclusively exclude any novel major interactions between genome-wide association studies hits and the epidemiologic risk factors taken into consideration, but we propose a suggestive interaction between smoking status and SLC4A7-rs4973768 that if further replicated could help our understanding in the etiology of BC.

  • 11. Barrdahl, Myrto
    et al.
    Canzian, Federico
    Lindström, Sara
    Shui, Irene
    Black, Amanda
    Hoover, Robert N
    Ziegler, Regina G
    Buring, Julie E
    Chanock, Stephen J
    Diver, W Ryan
    Gapstur, Susan M
    Gaudet, Mia M
    Giles, Graham G
    Haiman, Christopher
    Henderson, Brian E
    Hankinson, Susan
    Hunter, David J
    Joshi, Amit D
    Kraft, Peter
    Lee, I-Min
    Le Marchand, Loic
    Milne, Roger L
    Southey, Melissa C
    Willett, Walter
    Gunter, Marc
    Panico, Salvatore
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Weiderpass, Elisabete
    Sánchez, María-José
    Overvad, Kim
    Dossus, Laure
    Peeters, Petra H
    Khaw, Kay-Tee
    Trichopoulos, Dimitrios
    Kaaks, Rudolf
    Campa, Daniele
    Association of breast cancer risk loci with breast cancer survival2015In: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 137, no 12, p. 2837-2845Article in journal (Refereed)
    Abstract [en]

    The survival of breast cancer patients is largely influenced by tumor characteristics, such as TNM stage, tumor grade and hormone receptor status. However, there is growing evidence that inherited genetic variation might affect the disease prognosis and response to treatment. Several lines of evidence suggest that alleles influencing breast cancer risk might also be associated with breast cancer survival. We examined the associations between 35 breast cancer susceptibility loci and the disease over-all survival (OS) in 10,255 breast cancer patients from the National Cancer Institute Breast and Prostate Cancer Cohort Consortium (BPC3) of which 1,379 died, including 754 of breast cancer. We also conducted a meta-analysis of almost 35,000 patients and 5,000 deaths, combining results from BPC3 and the Breast Cancer Association Consortium (BCAC) and performed in silico analyses of SNPs with significant associations. In BPC3, the C allele of LSP1-rs3817198 was significantly associated with improved OS (HRper-allele=0.70; 95% CI: 0.58-0.85; ptrend=2.84 x 10-4; HRheterozygotes=0.71; 95% CI: 0.55-0.92; HRhomozygotes=0.48; 95% CI: 0.31-0.76; p2DF=1.45 x 10-3). In silico, the C allele of LSP1-rs3817198 was predicted to increase expression of the tumor suppressor cyclin-dependent kinase inhibitor 1C (CDKN1C). In the meta-analysis, TNRC9-rs3803662 was significantly associated with increased death hazard (HRMETA =1.09; 95% CI: 1.04-1.15; ptrend=6.6 x 10-4; HRheterozygotes=0.96 95% CI: 0.90-1.03; HRhomozygotes=1.21; 95% CI: 1.09-1.35; p2DF=1.25 x 10-4). In conclusion, we show that there is little overlap between the breast cancer risk single nucleotide polymorphisms (SNPs) identified so far and the SNPs associated with breast cancer prognosis, with the possible exceptions of LSP1-rs3817198 and TNRC9-rs3803662.

    What's new? Genetic factors are known to influence the risk of breast cancer, but inherited genetic variation may also affect disease prognosis and response to treatment. In this study, the we investigated whether single nucleotide polymorphisms (SNPs) that are known to be associated with breast cancer risk might also influence the survival of breast-cancer patients. While two of the investigated SNPs may influence survival, there was otherwise no indication that SNP alleles related to breast cancer risk also play a role in the survival of breast cancer patients.

  • 12. Bhangu, A
    et al.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery. Umeå University Hospital.
    Andersson, Linda
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery. Umeå University Hospital.
    Gunnarsson, Ulf
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery. Umeå University Hospital.
    Escobar, EG
    Mortality of emergency abdominal surgery in high-, middle- and low-income countries2016In: British Journal of Surgery, ISSN 0007-1323, E-ISSN 1365-2168, Vol. 103, no 8, p. 971-988Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Surgical mortality data are collected routinely in high-income countries, yet virtually no low- or middle-income countries have outcome surveillance in place. The aim was prospectively to collect worldwide mortality data following emergency abdominal surgery, comparing findings across countries with a low, middle or high Human Development Index (HDI).

    METHODS: This was a prospective, multicentre, cohort study. Self-selected hospitals performing emergency surgery submitted prespecified data for consecutive patients from at least one 2-week interval during July to December 2014. Postoperative mortality was analysed by hierarchical multivariable logistic regression.

    RESULTS: Data were obtained for 10 745 patients from 357 centres in 58 countries; 6538 were from high-, 2889 from middle- and 1318 from low-HDI settings. The overall mortality rate was 1·6 per cent at 24 h (high 1·1 per cent, middle 1·9 per cent, low 3·4 per cent; P < 0·001), increasing to 5·4 per cent by 30 days (high 4·5 per cent, middle 6·0 per cent, low 8·6 per cent; P < 0·001). Of the 578 patients who died, 404 (69·9 per cent) did so between 24 h and 30 days following surgery (high 74·2 per cent, middle 68·8 per cent, low 60·5 per cent). After adjustment, 30-day mortality remained higher in middle-income (odds ratio (OR) 2·78, 95 per cent c.i. 1·84 to 4·20) and low-income (OR 2·97, 1·84 to 4·81) countries. Surgical safety checklist use was less frequent in low- and middle-income countries, but when used was associated with reduced mortality at 30 days.

    CONCLUSION: Mortality is three times higher in low- compared with high-HDI countries even when adjusted for prognostic factors. Patient safety factors may have an important role.

  • 13. Bhoo-Pathy, Nirmala
    et al.
    Uiterwaal, Cuno S. P. M.
    Dik, Vincent K.
    Jeurnink, Suzanne M.
    Bech, Bodil H.
    Overvad, Kim
    Halkjær, Jytte
    Tjønneland, Anne
    Boutron-Ruault, Marie-Christine
    Fagherazzi, Guy
    Racine, Antoine
    Katzke, Verena A.
    Li, Kuanrong
    Boeing, Heiner
    Floegel, Anna
    Androulidaki, Anna
    Bamia, Christina
    Trichopoulou, Antonia
    Masala, Giovanna
    Panico, Salvatore
    Crosignani, Paolo
    Tumino, Rosario
    Vineis, Paolo
    Peeters, Petra H. M.
    Gavrilyuk, Oxana
    Skeie, Guri
    Weiderpass, Elisabete
    Duell, Eric J.
    Arguelles, Marcial
    Molina-Montes, Esther
    Navarro, Carmen
    Ardanaz, Eva
    Dorronsoro, Miren
    Lindkvist, Björn
    Wallström, Peter
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Ye, Weimin
    Umeå University, Faculty of Medicine, Department of Biobank Research. Karolinska institutet.
    Khaw, Kay-Tee
    Wareham, Nick
    Key, Timothy J.
    Travis, Ruth C.
    Duarte-Salles, Talita
    Freisling, Heinz
    Licaj, Idlir
    Gallo, Valentina
    Michaud, Dominique S.
    Riboli, Elio
    Bueno-de-Mesquita, H. Bas
    Intake of Coffee, Decaffeinated Coffee, or Tea Does Not Affect Risk for Pancreatic Cancer: Results From the European Prospective Investigation into Nutrition and Cancer Study2013In: Clinical Gastroenterology and Hepatology, ISSN 1542-3565, E-ISSN 1542-7714, Vol. 11, no 11, p. 1486-1492Article in journal (Refereed)
    Abstract [en]

    BACKGROUND & AIMS: Few modifiable risk factors have been implicated in the etiology of pancreatic cancer. There is little evidence for the effects of caffeinated coffee, decaffeinated coffee, or tea intake on risk of pancreatic cancer. We investigated the association of total coffee, caffeinated coffee, decaffeinated coffee, and tea consumption with risk of pancreatic cancer.

    METHODS: This study was conducted within the European Prospective Investigation into Nutrition and Cancer cohort, comprising male and female participants from 10 European countries. Between 1992 and 2000, there were 477,312 participants without cancer who completed a dietary questionnaire, and were followed up to determine pancreatic cancer incidence. Coffee and tea intake was calibrated with a 24-hour dietary recall. Adjusted hazard ratios (HRs) were computed using multivariable Cox regression.

    RESULTS: During a mean follow-up period of 11.6 y, 865 first incidences of pancreatic cancers were reported. When divided into fourths, neither total intake of coffee (HR, 1.03; 95% confidence interval [CI], 0.83-1.27; high vs low intake), decaffeinated coffee (HR, 1.12; 95% CI, 0.76-1.63; high vs low intake), nor tea were associated with risk of pancreatic cancer (HR, 1.22, 95% CI, 0.95-1.56; high vs low intake). Moderately low intake of caffeinated coffee was associated with an increased risk of pancreatic cancer (HR, 1.33; 95% CI, 1.02-1.74), compared with low intake. However, no graded dose response was observed, and the association attenuated after restriction to histologically confirmed pancreatic cancers.

    CONCLUSIONS: Based on an analysis of data from the European Prospective Investigation into Nutrition and Cancer cohort, total coffee, decaffeinated coffee, and tea consumption are not related to the risk of pancreatic cancer.

  • 14.
    Borgmästars, Emmy
    et al.
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    de Weerd, Hendrik Arnold
    Lubovac-Pilav, Zelmina
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    miRFA: an automated pipeline for microRNA functional analysis with correlation support from TCGA and TCPA expression data in pancreatic cancer2019In: BMC Bioinformatics, ISSN 1471-2105, E-ISSN 1471-2105, Vol. 20, article id 393Article in journal (Refereed)
    Abstract [en]

    Background: MicroRNAs (miRNAs) are small RNAs that regulate gene expression at a post-transcriptional level and are emerging as potentially important biomarkers for various disease states, including pancreatic cancer. In silico-based functional analysis of miRNAs usually consists of miRNA target prediction and functional enrichment analysis of miRNA targets. Since miRNA target prediction methods generate a large number of false positive target genes, further validation to narrow down interesting candidate miRNA targets is needed. One commonly used method correlates miRNA and mRNA expression to assess the regulatory effect of a particular miRNA.

    The aim of this study was to build a bioinformatics pipeline in R for miRNA functional analysis including correlation analyses between miRNA expression levels and its targets on mRNA and protein expression levels available from the cancer genome atlas (TCGA) and the cancer proteome atlas (TCPA). TCGA-derived expression data of specific mature miRNA isoforms from pancreatic cancer tissue was used.

    Results: Fifteen circulating miRNAs with significantly altered expression levels detected in pancreatic cancer patients were queried separately in the pipeline. The pipeline generated predicted miRNA target genes, enriched gene ontology (GO) terms and Kyoto encyclopedia of genes and genomes (KEGG) pathways. Predicted miRNA targets were evaluated by correlation analyses between each miRNA and its predicted targets. MiRNA functional analysis in combination with Kaplan-Meier survival analysis suggest that hsa-miR-885-5p could act as a tumor suppressor and should be validated as a potential prognostic biomarker in pancreatic cancer.

    Conclusions: Our miRNA functional analysis (miRFA) pipeline can serve as a valuable tool in biomarker discovery involving mature miRNAs associated with pancreatic cancer and could be developed to cover additional cancer types. Results for all mature miRNAs in TCGA pancreatic adenocarcinoma dataset can be studied and downloaded through a shiny web application at https://emmbor.shinyapps.io/mirfa/.

  • 15. Bremer, T.
    et al.
    Savala, J.
    Leesman, G.
    Wärnberg, F.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Wadsten, Charlotta
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Whitworth, P. W.
    A biologic signature to predict ipsilateral breast event risk at 10 years for early breast cancer2019In: Cancer Research, ISSN 0008-5472, E-ISSN 1538-7445, Vol. 79, no 4Article in journal (Other academic)
  • 16. Campa, Daniele
    et al.
    Barrdahl, Myrto
    Gaudet, Mia M.
    Black, Amanda
    Chanock, Stephen J.
    Diver, W. Ryan
    Gapstur, Susan M.
    Haiman, Christopher
    Hankinson, Susan
    Hazra, Aditi
    Henderson, Brian
    Hoover, Robert N.
    Hunter, David J.
    Joshi, Amit D.
    Kraft, Peter
    Le Marchand, Loic
    Lindstrom, Sara
    Willett, Walter
    Travis, Ruth C.
    Amiano, Pilar
    Siddiq, Afshan
    Trichopoulos, Dimitrios
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Tjonneland, Anne
    Weiderpass, Elisabete
    Peeters, Petra H.
    Panico, Salvatore
    Dossus, Laure
    Ziegler, Regina G.
    Canzian, Federico
    Kaaks, Rudolf
    Genetic risk variants associated with in situ breast cancer2015In: Breast Cancer Research, ISSN 1465-5411, E-ISSN 1465-542X, Vol. 17, article id 82Article in journal (Refereed)
    Abstract [en]

    Introduction: Breast cancer in situ (BCIS) diagnoses, a precursor lesion for invasive breast cancer, comprise about 20 % of all breast cancers (BC) in countries with screening programs. Family history of BC is considered one of the strongest risk factors for BCIS.

    Methods: To evaluate the association of BC susceptibility loci with BCIS risk, we genotyped 39 single nucleotide polymorphisms (SNPs), associated with risk of invasive BC, in 1317 BCIS cases, 10,645 invasive BC cases, and 14,006 healthy controls in the National Cancer Institute's Breast and Prostate Cancer Cohort Consortium (BPC3). Using unconditional logistic regression models adjusted for age and study, we estimated the association of SNPs with BCIS using two different comparison groups: healthy controls and invasive BC subjects to investigate whether BCIS and BC share a common genetic profile.

    Results: We found that five SNPs (CDKN2BAS-rs1011970, FGFR2-rs3750817, FGFR2-rs2981582, TNRC9-rs3803662, 5p12-rs10941679) were significantly associated with BCIS risk (P value adjusted for multiple comparisons <0.0016). Comparing invasive BC and BCIS, the largest difference was for CDKN2BAS-rs1011970, which showed a positive association with BCIS (OR = 1.24, 95 % CI: 1.11-1.38, P = 1.27 x 10(-4)) and no association with invasive BC (OR = 1.03, 95 % CI: 0.99-1.07, P = 0.06), with a P value for case-case comparison of 0.006. Subgroup analyses investigating associations with ductal carcinoma in situ (DCIS) found similar associations, albeit less significant (OR = 1.25, 95 % CI: 1.09-1.42, P = 1.07 x 10(-3)). Additional risk analyses showed significant associations with invasive disease at the 0.05 level for 28 of the alleles and the OR estimates were consistent with those reported by other studies.

    Conclusions: Our study adds to the knowledge that several of the known BC susceptibility loci are risk factors for both BCIS and invasive BC, with the possible exception of rs1011970, a putatively functional SNP situated in the CDKN2BAS gene that may be a specific BCIS susceptibility locus.

  • 17. Campa, Daniele
    et al.
    Barrdahl, Myrto
    Tsilidis, Konstantinos K
    Severi, Gianluca
    Diver, W Ryan
    Siddiq, Afshan
    Chanock, Stephen
    Hoover, Robert N
    Ziegler, Regina G
    Berg, Christine D
    Buys, Saundra S
    Haiman, Christopher A
    Henderson, Brian E
    Schumacher, Fredrick R
    Le Marchand, Loic
    Flesch-Janys, Dieter
    Lindstroem, Sara
    Hunter, David J
    Hankinson, Susan E
    Willett, Walter C
    Kraft, Peter
    Cox, David G
    Khaw, Kay-Tee
    Tjonneland, Anne
    Dossus, Laure
    Trichopoulos, Dimitrios
    Panico, Salvatore
    van Gils, Carla H
    Weiderpass, Elisabete
    Barricarte, Aurelio
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Gaudet, Mia M
    Giles, Graham
    Southey, Melissa
    Baglietto, Laura
    Chang-Claude, Jenny
    Kaaks, Rudolf
    Canzian, Federico
    A genome-wide "pleiotropy scan'' does not identify new susceptibility loci for estrogen receptor negative breast cancer2014In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 9, no 2, p. e85955-Article in journal (Refereed)
    Abstract [en]

    Approximately 15-30% of all breast cancer tumors are estrogen receptor negative (ER-). Compared with ER- positive (ER+) disease they have an earlier age at onset and worse prognosis. Despite the vast number of risk variants identified for numerous cancer types, only seven loci have been unambiguously identified for ER- negative breast cancer. With the aim of identifying new susceptibility SNPs for this disease we performed a pleiotropic genome-wide association study (GWAS). We selected 3079 SNPs associated with a human complex trait or disease at genome-wide significance level (P<5x10(-8)) to perform a secondary analysis of an ER- negative GWAS from the National Cancer Institute's Breast and Prostate Cancer Cohort Consortium (BPC3), including 1998 cases and 2305 controls from prospective studies. We then tested the top ten associations (i.e. with the lowest P-values) using three additional populations with a total sample size of 3509 ER+ cases, 2543 ER- cases and 7031 healthy controls. None of the 3079 selected variants in the BPC3 ER- GWAS were significant at the adjusted threshold. 186 variants were associated with ER- breast cancer risk at a conventional threshold of P<0.05, with P-values ranging from 0.049 to 2.3 x 10(-4). None of the variants reached statistical significance in the replication phase. In conclusion, this study did not identify any novel susceptibility loci for ER-breast cancer using a "pleiotropic approach''.

  • 18. Campa, Daniele
    et al.
    Claus, Rainer
    Dostal, Lucie
    Stein, Angelika
    Chang-Claude, Jenny
    Meidtner, Karina
    Boeing, Heiner
    Olsen, Anja
    Tjønneland, Anne
    Overvad, Kim
    Rodríguez, Laudina
    Bonet, Catalina
    Sánchez, Maria-José
    Amiano, Pilar
    Huerta, José María
    Barricarte, Aurelio
    Khaw, Kay-Tee
    Wareham, Nicholas
    Travis, Ruth C
    Allen, Naomi E
    Trichopoulou, Antonia
    Bamia, Christina
    Benetou, Vassiliki
    Palli, Domenico
    Agnoli, Claudia
    Panico, Salvatore
    Tumino, Rosario
    Sacerdote, Carlotta
    van Kranen, Henk
    Bas Bueno-de-Mesquita, H
    Peeters, Petra H M
    van Gils, Carla H
    Lenner, Per
    Umeå University, Faculty of Medicine, Department of Radiation Sciences, Oncology.
    Sund, Malin
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Lund, Eiliv
    Gram, Inger Torhild
    Rinaldi, Sabina
    Chajes, Veronique
    Romieu, Isabelle
    Engel, Pierre
    Boutron-Ruault, Marie Christine
    Clavel-Chapelon, Françoise
    Siddiq, Afshan
    Riboli, Elio
    Canzian, Federico
    Kaaks, Rudolf
    Variation in genes coding for AMP-activated protein kinase (AMPK) and breast cancer risk in the European Prospective Investigation on Cancer (EPIC).2011In: Breast Cancer Research and Treatment, ISSN 0167-6806, E-ISSN 1573-7217, Vol. 127, no 3, p. 761-767Article in journal (Refereed)
    Abstract [en]