Abstract:The inactivation of the p53 gene in a large proportion of human cancers has inspired an intense search for the encoded protein's physiological and biological properties. Expression of p53 induces either a stable growth arrest or programmed cell death (apoptosis). In human colorectal cancers, the growth arrest is dependent on the transcriptional induction of the protein p21WAF1/CIP1 , but the mechanisms underlying the development of p53-dependent apoptosis are largely unknown. As the most well documented bioche…
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