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Article

Bcl‑2 correlates with localization but not outcome in human osteosarcoma

  • Authors:
    • Klemens Trieb
    • Irene Sulzbacher
    • Bernd Kubista
  • View Affiliations / Copyright

    Affiliations: Department of Orthopaedics, Klinikum Wels‑Grieskirchen, Wels A-4600, Austria, Department of Pathology, University Hospital of Vienna, Vienna A-1090, Austria, Department of Orthopaedics, University Hospital of Vienna, Vienna A-1090, Austria
  • Pages: 559-561
    |
    Published online on: June 13, 2013
       https://doi.org/10.3892/ol.2013.1395
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Abstract

bcl‑2 is a member of the bcl‑2 family that inhibits apoptosis, plays a crucial role in cell viability and is expressed in various types of tumors. With respect to inconsistent results in previous studies, the aim of the present study was to generate a clear hypothesis with regards to the value of bcl‑2 expression as a predictive or prognostic factor in human osteosarcoma. The expression of bcl‑2 was examined immunohistochemically in 49 patients with high‑grade osteosarcoma and the results were correlated with localization, histological response to chemotherapy, survival and the occurrence of metastases. In patients with osteosarcoma, 21/49 cases (43%) were positive for bcl‑2 expression and the remaining cases were negative. A significantly higher expression of bcl‑2 was observed in central tumors located in the pelvis (83 vs. 37% positive; P<0.05). The bcl‑2 expression status revealed no statistically significant correlation with response to chemotherapy, with 57% of patients with bcl‑2‑positive tumors showing a good response and 43% showing a poor response. No significant difference was observed when comparing survival or occurrence in bcl‑2‑positive and ‑negative tumors. In conclusion, the results of the present study indicate that, despite higher bcl‑2 expression in central osteosarcoma, the expression in high‑grade osteosarcoma is not a reliable prognostic or predictive marker.
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Copy and paste a formatted citation
Spandidos Publications style
Trieb K, Sulzbacher I and Kubista B: Bcl‑2 correlates with localization but not outcome in human osteosarcoma. Oncol Lett 6: 559-561, 2013.
APA
Trieb, K., Sulzbacher, I., & Kubista, B. (2013). Bcl‑2 correlates with localization but not outcome in human osteosarcoma. Oncology Letters, 6, 559-561. https://doi.org/10.3892/ol.2013.1395
MLA
Trieb, K., Sulzbacher, I., Kubista, B."Bcl‑2 correlates with localization but not outcome in human osteosarcoma". Oncology Letters 6.2 (2013): 559-561.
Chicago
Trieb, K., Sulzbacher, I., Kubista, B."Bcl‑2 correlates with localization but not outcome in human osteosarcoma". Oncology Letters 6, no. 2 (2013): 559-561. https://doi.org/10.3892/ol.2013.1395
Copy and paste a formatted citation
x
Spandidos Publications style
Trieb K, Sulzbacher I and Kubista B: Bcl‑2 correlates with localization but not outcome in human osteosarcoma. Oncol Lett 6: 559-561, 2013.
APA
Trieb, K., Sulzbacher, I., & Kubista, B. (2013). Bcl‑2 correlates with localization but not outcome in human osteosarcoma. Oncology Letters, 6, 559-561. https://doi.org/10.3892/ol.2013.1395
MLA
Trieb, K., Sulzbacher, I., Kubista, B."Bcl‑2 correlates with localization but not outcome in human osteosarcoma". Oncology Letters 6.2 (2013): 559-561.
Chicago
Trieb, K., Sulzbacher, I., Kubista, B."Bcl‑2 correlates with localization but not outcome in human osteosarcoma". Oncology Letters 6, no. 2 (2013): 559-561. https://doi.org/10.3892/ol.2013.1395
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