umu.sePublikasjoner
Endre søk
Begrens søket
1 - 4 of 4
RefereraExporteraLink til resultatlisten
Permanent link
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Treff pr side
  • 5
  • 10
  • 20
  • 50
  • 100
  • 250
Sortering
  • Standard (Relevans)
  • Forfatter A-Ø
  • Forfatter Ø-A
  • Tittel A-Ø
  • Tittel Ø-A
  • Type publikasjon A-Ø
  • Type publikasjon Ø-A
  • Eldste først
  • Nyeste først
  • Skapad (Eldste først)
  • Skapad (Nyeste først)
  • Senast uppdaterad (Eldste først)
  • Senast uppdaterad (Nyeste først)
  • Disputationsdatum (tidligste først)
  • Disputationsdatum (siste først)
  • Standard (Relevans)
  • Forfatter A-Ø
  • Forfatter Ø-A
  • Tittel A-Ø
  • Tittel Ø-A
  • Type publikasjon A-Ø
  • Type publikasjon Ø-A
  • Eldste først
  • Nyeste først
  • Skapad (Eldste først)
  • Skapad (Nyeste først)
  • Senast uppdaterad (Eldste først)
  • Senast uppdaterad (Nyeste først)
  • Disputationsdatum (tidligste først)
  • Disputationsdatum (siste først)
Merk
Maxantalet träffar du kan exportera från sökgränssnittet är 250. Vid större uttag använd dig av utsökningar.
  • 1. Andersson, Carola
    et al.
    Österlundh, Gustaf
    Enlund, Fredrik
    Kindblom, Lars-Gunnar
    Hansson, Magnus
    Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap.
    Primary spinal intradural mesenchymal chondrosarcoma with detection of fusion gene HEY1-NCOA2: a paediatric case report and review of the literature2014Inngår i: Oncology Letters, ISSN 1792-1074, E-ISSN 1792-1082, Vol. 8, nr 4, s. 1608-1612Artikkel, forskningsoversikt (Fagfellevurdert)
    Abstract [en]

    Mesenchymal chondrosarcoma is an extremely rare malignant tumour that most commonly originates in the bone, but is also present in extraskeletal sites. The tumour is morphologically characterized by a biphasic pattern of small round cells and islands of cartilage. Spinal mesenchymal chondrosarcomas are even rarer and, therefore, few investigations exist regarding the biological behaviour of the tumours. In the present study, we report a case of a 10-year-old female presenting with 9 months of back pain and radiographic findings of an intradural lesion measuring 1.5 cm at the level of Th4. The tumour was completely excised and subjected to pathological analyses. Following detection of the HEY1-NCOA2 fusion gene, the tumour was morphologically and immunohistochemically defined as an intradural mesenchymal chondrosarcoma attached to the dura mater. In this study, we validate the recent identification of the fusion gene HEY1-NCOA2 in paediatric extraskeletal mesenchymal chondrosarcomas: The relevant literature is reviewed and further discussed in relation to our findings.

  • 2. Fehr, André
    et al.
    Hansson, Magnus C
    Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap, Patologi.
    Kindblom, Lars-Gunnar
    Stenman, Göran
    YWHAE-FAM22 gene fusion in clear cell sarcoma of the kidney2012Inngår i: Journal of Pathology, ISSN 0022-3417, E-ISSN 1096-9896, Vol. 227, nr 4, s. e5-e7Artikkel i tidsskrift (Fagfellevurdert)
  • 3. Fransson, Susanne
    et al.
    Hansson, Magnus
    Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap, Patologi. Univ Gothenburg, Sahlgrenska Acad, Dept Pathol, SE-40530 Gothenburg, Sweden.
    Ruuth, Kristina
    Umeå universitet, Medicinska fakulteten, Institutionen för molekylärbiologi (Medicinska fakulteten).
    Djos, Anna
    Berbegall, Ana
    Javanmardi, Niloufar
    Abrahamsson, Jonas
    Palmer, Ruth H.
    Umeå universitet, Medicinska fakulteten, Institutionen för molekylärbiologi (Medicinska fakulteten). Univ Gothenburg, Sahlgrenska Acad, Dept Med Chem & Cell Biol, SE-40530 Gothenburg, Sweden.
    Noguera, Rosa
    Hallberg, Bengt
    Umeå universitet, Medicinska fakulteten, Institutionen för molekylärbiologi (Medicinska fakulteten). Univ Gothenburg, Sahlgrenska Acad, Dept Med Chem & Cell Biol, SE-40530 Gothenburg, Sweden.
    Kogner, Per
    Martinsson, Tommy
    Intragenic Anaplastic Lymphoma Kinase (ALK) Rearrangements: Translocations as a Novel Mechanism of ALK Activation in Neuroblastoma Tumors2015Inngår i: Genes, Chromosomes and Cancer, ISSN 1045-2257, E-ISSN 1098-2264, Vol. 54, nr 2, s. 99-109Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Anaplastic lymphoma kinase (ALK) has been demonstrated to be deregulated in sporadic as well as in familiar cases of neuroblastoma (NB). Whereas ALK-fusion proteins are common in lymphoma and lung cancer, there are few reports of ALK rearrangements in NB indicating that ALK mainly exerts its oncogenic capacity via activating mutations and/or overexpression in this tumor type. In this study, 332 NB tumors and 13 cell lines were screened by high resolution single nucleotide polymorphism microarray. Gain of 2p was detected in 23% (60/332) of primary tumors and 46% (6/13) of cell lines, while breakpoints at the ALK locus were detected in four primary tumors and two cell lines. These were further analyzed by next generation sequencing and a targeted enrichment approach. Samples with both ALK and MYCN amplification displayed complex genomic rearrangements with multiple breakpoints within the amplicon. None of the translocations characterized in primary NB tumors are likely to result in a chimeric protein. However, immunohistochemical analysis reveals high levels of phosphorylated ALK in these samples despite lack of initial exons, possibly due to alternative transcription initiation sites. Both ALK proteins predicted to arise from such alterations and from the abnormal ALK exon 4-11 deletion observed in the CLB-BAR cell line show strong activation of downstream targets STAT3 and extracellular signal-regulated kinase (ERK) when expressed in PC12 cells. Taken together, our data indicate a novel, although rare, mechanism of ALK activation with implications for NB tumorigenesis. 

  • 4.
    Martinsson, Tommy
    et al.
    Clinical Genetics, University of Gothenburg.
    Eriksson, Therese
    Umeå universitet, Medicinska fakulteten, Institutionen för molekylärbiologi (Medicinska fakulteten).
    Abrahamsson, Jonas
    Pediatrics, University of Gothenburg.
    Caren, Helena
    Clinical Genetics, University of Gothenburg.
    Hansson, Magnus
    Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap.
    Kogner, Per
    Dept. of Women and Child Health, Karolinska Institutet.
    Kamaraj, Sattu
    Umeå universitet, Medicinska fakulteten, Institutionen för molekylärbiologi (Medicinska fakulteten).
    Schönherr, Christina
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för molekylärbiologi (Teknisk-naturvetenskaplig fakultet).
    Weinmar, Joel
    Umeå universitet, Medicinska fakulteten, Institutionen för medicinsk biovetenskap.
    Ruuth, Kristina
    Umeå universitet, Medicinska fakulteten, Institutionen för molekylärbiologi (Medicinska fakulteten).
    Palmer, Ruth
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för molekylärbiologi (Teknisk-naturvetenskaplig fakultet).
    Hallberg, Bengt
    Umeå universitet, Medicinska fakulteten, Institutionen för molekylärbiologi (Medicinska fakulteten).
    Appearance of the novel activating F1174S ALK mutation in neuroblastoma correlates with aggressive tumour progression and unresponsiveness to therapy2011Inngår i: Cancer Research, ISSN 0008-5472, E-ISSN 1538-7445, Vol. 71, nr 1, s. 98-105Artikkel i tidsskrift (Annet vitenskapelig)
    Abstract [en]

    Mutations in the kinase domain of the ALK kinase have emerged recently as important players in the genetics of the childhood tumor neuroblastoma. Here we report the appearance of a novel ALK mutation in neuroblastoma, correlating with aggressive tumor behaviour. Analyses of genomic DNA from biopsy samples initially showed ALK sequence to be wild type. However, during disease progression mutation of amino acid F1174 to a serine within the ALK kinase domain was observed, which correlated with aggressive neuroblastoma progression in the patient. We show that mutation of F1174 to serine generates a potent gain-of-function mutant, as observed in two independent systems. Firstly, PC12 cell lines expressing ALKF1174S display ligand independent activation of ALK and further downstream signaling activation. Secondly, analysis of ALKF1174S in Drosophila models confirms that the mutation mediates a strong rough eye phenotype upon expression in the developing eye. Thus, we report a novel ALKF1174S mutation, which displays ligand independent activity in vivo, correlating with rapid and treatment resistant tumor growth. The study also shows that initial screening in the first tumor biopsy of a patient may not be sufficient and that further molecular analyses in particular in tumor progression and/or tumor relapse is warranted for better understanding of the treatment of neuroblastoma patients.

1 - 4 of 4
RefereraExporteraLink til resultatlisten
Permanent link
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf