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Mutational analysis of caspase genes in prostate carcinomas

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Kim MS, Park SW, Kim YR, Lee JY, Lim HW, Song SY, Yoo NJ, Lee SH. Mutational analysis of caspase genes in prostate carcinomas. APMIS 2010; 118: 308–12.

Evasion of apoptosis is one of the hallmarks of cancer. Of the components of apoptosis machinery, caspases are the main executioners of apoptosis that initiate and propagate the apoptosis, and finally degrade target molecules. Caspase-encoding genes have been reported to harbor inactivating mutations in many human cancers. However, mutational status of caspase genes in prostate carcinomas has not been identified. The aim of this study was to explore whether caspase genes are somatically mutated in prostate carcinomas. For this, we analyzed entire coding regions of 11 human caspase-encoding genes (CASP1–10 and 14) in 45 prostate carcinoma tissues by a single-strand conformation polymorphism (SSCP) assay. In this study, however, we detected no somatic mutation of CASP genes in the prostate carcinomas by the SSCP. This is the first report on systematic evaluation of caspase-encoding gene mutations in human prostate carcinomas, and our data indicate that CASP genes may not be mutated in prostate carcinomas. The data suggest that apoptosis evasion in prostate carcinoma may be dependent on other mechanisms besides genetic alteration of caspase-encoding genes.
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Keywords: Caspase; apoptosis; mutation; prostate cancer

Document Type: Research Article

Affiliations: 1: Departments of Pathology 2: Urology 3: Preventive Medicine, College of Medicine, The Catholic University of Korea, Seoul 4: Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea

Publication date: April 1, 2010

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