PMID: 8961706Oct 1, 1996Paper

Infection of human papillomavirus (HPV) and p53 over-expression in human female genital tract carcinoma

JPMA. the Journal of the Pakistan Medical Association
K AnwarM Inuzuka

Abstract

Inactivation of p53 gene products either by mutation or by complex formation with E6 oncoprotein encoded by high risk HPV appears to be a common event in cervical carcinogenesis. This study was designed to clarify this association in 41 primary cervical, 15 endometrial, 3 ovarian and one rectal carcinomas. Polymerase chain reaction analysis revealed presence of high risk HPV in 36 (88%) cervical, 5 (33%) endometrial and none of ovarian and rectal carcinomas. HPV 16 was found in 14 cervical carcinomas, HPV 18 in 19 cervical and 2 endometrial carcinomas and HPV 33 in 28 cervical and 5 endometrial carcinomas. Expression of tumor suppressor protein p53 by using polyclonal antibody CM-1, was detected in 28 (68%) cervical, 7 (47%) endometrial, 2 (66%) ovarian and one (100%) rectal carcinoma. Twenty six cervical and 3 endometrial carcinoma cases were positive for both high risk HPV and p53. We conclude that beside cervical carcinoma HPV infection is not uncommon in endometrial carcinoma and in our experimental design there is no inverse correlation between HPV infection and p53 over-expression in a variety of the tumors analysed in the present study.

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