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PTEN/MMAC1/TEP1 (PTEN) is a tumor suppressor gene that is mutated in a variety of advanced and metastatic cancers, strongly suggests that PTEN alteration is possibly involved in the tumor progression and formation of metastases. However, the roles of PTEN in tumor growth and metastasis and its functional mechanisms are not fully understood. We evaluated the tumor suppressor function of PTEN gene on...
We analyzed the p53 protein expression and gene mutations to evaluate the role of ultraviolet radiation or other carcinogens, and possible racial differences in 17 samples from 12 Korean patients with Bowen's disease. A simple microdissection technique was used to collect the tumor cells selectively. p53 protein expression was found in eight of 17 (47%) samples. Abnormalities in polymerase chain reaction...
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