Somatic mutations of the WAF1/CIP1 gene in primary prostate cancer - PubMed (original) (raw)

. 1995 Oct 5;11(7):1395-8.

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Somatic mutations of the WAF1/CIP1 gene in primary prostate cancer

X Gao et al. Oncogene. 1995.

Abstract

The WAF1/CIP1 gene, a potential tumor suppressor gene, has recently been cloned and identified as a p53 mediator and an inhibitor for G1 cyclin-dependent kinases (CDKs). We undertook this study to investigate the possible role of the WAF1/CIP1 gene in human prostatic carcinoma. Matched normal and cancer tissues from 18 patients with prostate cancer were screened for WAF1/CIP1 mutation by nested reverse transcription-polymerase chain reaction/single strand conformational polymorphism (RT-PCR/SSCP) and DNA sequencing. Shifted bands from three tumor, but not the matched normal specimens, were observed. Subsequent direct DNA sequencing of the PCR fragments identified four sequence alterations including a cytosine (C) to adenine (A) transversion and a guanine (G) to A transition and two A insertions. Our results demonstrated that mutations of the WAF1/CIP1 gene occur and may be important during the pathogenesis of human prostate cancer. This is the first report of WAF1/CIP1 mutation in a primary human cancer.

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