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The association between longer relative leukocyte telomere length and risk of glioma is independent of the potentially confounding factors allergy, BMI, and smoking
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap, Patologi.ORCID-id: 0000-0002-2783-0712
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Onkologi.
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2019 (Engelska)Ingår i: Cancer Causes and Control, ISSN 0957-5243, E-ISSN 1573-7225, Vol. 30, nr 2, s. 177-185Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Purpose: Previous studies have suggested an association between relative leukocyte telomere length (rLTL) and glioma risk. This association may be influenced by several factors, including allergies, BMI, and smoking. Previous studies have shown that individuals with asthma and allergy have shortened relative telomere length, and decreased risk of glioma. Though, the details and the interplay between rLTL, asthma and allergies, and glioma molecular phenotype is largely unknown. Methods: rLTL was measured by qPCR in a Swedish population-based glioma case–control cohort (421 cases and 671 controls). rLTL was related to glioma risk and health parameters associated with asthma and allergy, as well as molecular events in glioma including IDH1 mutation, 1p/19q co-deletion, and EGFR amplification. Results: Longer rLTL was associated with increased risk of glioma (OR = 1.16; 95% CI 1.02–1.31). Similar to previous reports, there was an inverse association between allergy and glioma risk. Specific, allergy symptoms including watery eyes was most strongly associated with glioma risk. High body mass index (BMI) a year prior diagnosis was significantly protective against glioma in our population. Adjusting for allergy, asthma, BMI, and smoking did not markedly change the association between longer rLTL and glioma risk. rLTL among cases was not associated with IDH1 mutation, 1p/19q co-deletion, or EGFR amplification, after adjusting for age at diagnosis and sex. Conclusions: In this Swedish glioma case–control cohort, we identified that long rLTL increases the risk of glioma, an association not confounded by allergy, BMI, or smoking. This highlights the complex interplay of the immune system, rLTL and cancer risk.

Ort, förlag, år, upplaga, sidor
Springer, 2019. Vol. 30, nr 2, s. 177-185
Nyckelord [en]
Glioma, Relative leukocyte telomere length (rLTL), Allergy, BMI, Smoking, IDH1, 1p/19q, EGFR
Nationell ämneskategori
Cancer och onkologi Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi
Identifikatorer
URN: urn:nbn:se:umu:diva-157597DOI: 10.1007/s10552-018-1120-2ISI: 000459153800007PubMedID: 30560391OAI: oai:DiVA.org:umu-157597DiVA, id: diva2:1299824
Tillgänglig från: 2019-03-28 Skapad: 2019-03-28 Senast uppdaterad: 2019-03-28Bibliografiskt granskad

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Andersson, UlrikaDegerman, SofieDahlin, Anna M.Wibom, CarlJohansson, GunnarMelin, Beatrice S.

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