Article
Loss of p53 transcriptional activity in hepatocellular carcinoma evaluated by yeast-based functional assay: comparison with p53 immunohistochemistry.
Human pathology - 1 Mar 2004
Mitsumoto Yasuhide, Nakajima Tomoki, Marutani Masumi, Kashiwazaki Haruhiko, Moriguchi Michihisa, Kimura Hiroyuki, Okanoue Takeshi, Kagawa Keizo, Tada Mitsuhiro
Abstract excerpt
We studied the transcriptional activity of p53 protein in 50 tissues of hepatocellular carcinoma (HCC) using a yeast functional assay. In this assay, red yeast colonies indicate that p53 protein cannot bind to its specific domain and has lost its transcriptional activity. We also clarified whether mutant p53 protein could inactivate wild-type p53 protein in a transdominant manner using a modified yeast assay. In...
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