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. 1991 Sep;6(9):1699-703.

Aberrant expression of the p53 oncoprotein is a common feature of a wide spectrum of human malignancies

J Bártek  1 , J Bártková, B Vojtĕsek, Z Stasková, J Lukás, A Rejthar, J Kovarík, C A Midgley, J V Gannon, D P Lane
Affiliations
  • PMID: 1923535

Aberrant expression of the p53 oncoprotein is a common feature of a wide spectrum of human malignancies

J Bártek et al. Oncogene. 1991 Sep.

Abstract

Accumulation of the p53 protein was analysed in 212 human malignant lesions. Immunohistochemical staining with new polyclonal (CM-1) and monoclonal antibodies (BP 53-12 and BP53-24) to p53 on methacarn-fixed paraffin sections showed positive staining in 161 (76%). The positive tumours were found across a wide range of human malignancies including breast, colon, stomach, bladder and testis carcinomas, soft-tissue sarcomas and melanomas. The staining was always confined to the malignant lesion. Immunoprecipitation and quantitative ELISA assays established that the positive staining was associated with accumulation of the protein and that the protein was frequently in a mutant conformation. Accumulation of mutant p53 protein is therefore a common feature of human malignant disease.

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