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International Journal of Oncology
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Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification

  • Authors:
    • Ioannis Panagopoulos
    • Bodil Bjerkehagen
    • Ludmila Gorunova
    • Jeanne-Marie Berner
    • Kjetil Boye
    • Sverre Heim
  • View Affiliations / Copyright

    Affiliations: Section for Cancer Cytogenetics, Institute for Cancer Genetics and Informatics, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway, Department of Pathology, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway, Department of Oncology, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
    Copyright: © Panagopoulos et al. This is an open access article distributed under the terms of Creative Commons Attribution License [CC BY_NC 3.0].
  • Pages: 1829-1836
    |
    Published online on: August 18, 2014
       https://doi.org/10.3892/ijo.2014.2605
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Abstract

Spindle cell tumors are clinically heterogeneous but morphologically similar neoplasms that can occur anywhere, mostly in adult patients. They are treated primarily with surgery to which is often added adjuvant or neoadjuvant radiation. Sub-classification of spindle cell sarcomas requires integration of histology, clinicopathological parameters, immunohistochemistry, cytogenetics (including fluorescence in situ hybridization) and/or molecular genetics. Some of the tumor subtypes are charac­terized by the presence of distinct chromosomal translocations and fusion genes. When no signs of differentiation are seen, the diagnosis by exclusion becomes undifferentiated spindle cell sarcoma. Cytogenetic, RNA sequencing and RT-PCR analyses were performed on a case of spindle cell sarcoma. The karyotype of the primary tumor was 46,X,del(X)(p?11p?22), der(12)(12pter→12q?22::12q?15→q?22::16p11→16pter),-16,+r(12). MDM2 was found amplified in both the primary tumor and a meta­stasis. RNA-Seq of the primary tumor identified four fusion genes, PTGES3-PTPRB, HMGA2-DYRK2, TMBIM4-MSRB3 and USP15-CNTN1, in which all the partner genes map to the q arm of chromosome 12. In material from the metastasis, RT-PCR detected the PTGES3-PTPRB, HMGA2-DYRK2 and TMBIM4-MSRB3 whereas no USP15-CNTN1 fusion transcript was found. Because MDM2 amplification and the fusion transcripts PTGES3-PTPRB, HMGA2-DYRK2 and TMBIM4-MSRB3 were found both in the primary tumor and in the metastasis, they are components of the same clone and may be involved both in initiation and progression of the tumor. Which of them is pathogenetically primary remains unknown.
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Copy and paste a formatted citation
Spandidos Publications style
Panagopoulos I, Bjerkehagen B, Gorunova L, Berner J, Boye K and Heim S: Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification. Int J Oncol 45: 1829-1836, 2014.
APA
Panagopoulos, I., Bjerkehagen, B., Gorunova, L., Berner, J., Boye, K., & Heim, S. (2014). Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification. International Journal of Oncology, 45, 1829-1836. https://doi.org/10.3892/ijo.2014.2605
MLA
Panagopoulos, I., Bjerkehagen, B., Gorunova, L., Berner, J., Boye, K., Heim, S."Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification". International Journal of Oncology 45.5 (2014): 1829-1836.
Chicago
Panagopoulos, I., Bjerkehagen, B., Gorunova, L., Berner, J., Boye, K., Heim, S."Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification". International Journal of Oncology 45, no. 5 (2014): 1829-1836. https://doi.org/10.3892/ijo.2014.2605
Copy and paste a formatted citation
x
Spandidos Publications style
Panagopoulos I, Bjerkehagen B, Gorunova L, Berner J, Boye K and Heim S: Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification. Int J Oncol 45: 1829-1836, 2014.
APA
Panagopoulos, I., Bjerkehagen, B., Gorunova, L., Berner, J., Boye, K., & Heim, S. (2014). Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification. International Journal of Oncology, 45, 1829-1836. https://doi.org/10.3892/ijo.2014.2605
MLA
Panagopoulos, I., Bjerkehagen, B., Gorunova, L., Berner, J., Boye, K., Heim, S."Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification". International Journal of Oncology 45.5 (2014): 1829-1836.
Chicago
Panagopoulos, I., Bjerkehagen, B., Gorunova, L., Berner, J., Boye, K., Heim, S."Several fusion genes identified by whole transcriptome sequencing in a spindle cell sarcoma with rearrangements of chromosome arm 12q and MDM2 amplification". International Journal of Oncology 45, no. 5 (2014): 1829-1836. https://doi.org/10.3892/ijo.2014.2605
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