Expression of the anti-apoptotic gene survivin in myelodysplastic syndrome
Survivin is a member of the inhibitor of apoptosis protein (IAPs) family and considered to play a pivotal role in oncogenesis. We present the first report of survivin expression profile in myelodysplastic syndrome (MDS). Expression of survivin messenger RNA was evaluated by semi-quantitative reverse transcriptase-polymerase chain reaction (RT-PCR) in patients with MDS and acute myeloid leukemia (AML). Eleven out of 12 patients with refractory anemia (RA) (91.6%), and all 3 patients with refractory anemia with excess blasts in transformation (RAEBt) (100%), were positive for survivin expression with the majority of cases showing abundant levels of the survivin transcript. On the other hand, expression of survivin was undetectable in the 4 patients with chronic myelomonocytic leukemia (CMMoL). The level and frequency of survivin expression in patients with refractory anemia were compared to those in patients with AML. Out of 12 patients with de novo AML, 5 patients (41.7%) showed detectable levels of survivin expression. Abundant survivin expression in RA was also confirmed by immunohistochemistry. In contrast, survivin was almost absent in two cases with aplastic anemia. We propose that high levels of survivin expression can serve as a reliable diagnostic marker of RA in MDS.
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Document Type: Research Article
Affiliations: First Department of Internal Medicine, Fukui Medical University, Matsuoka, Fukui 910-1193, Japan
Publication date: January 1, 2003
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- The International Journal of Oncology provides an international forum for the publication of the latest, cutting-edge research in the broad area of oncology and cancer treatment. The journal accepts original high quality works and reviews on all aspects of oncology research including carcinogenesis, metastasis, epidemiology, chemotherapy and viral oncology. Through fair and efficient peer review, the journal is dedicated to publishing top tier research in the field, offering authors rapid publication as well as high standards of copy-editing and production. The International Journal of Oncology is published on a monthly basis in both print and early online.
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