机构:
St Jude Childrens Res Hosp, Howard Hughes Med Inst, Dept Tumor Cell Biol, Memphis, TN 38105 USASt Jude Childrens Res Hosp, Howard Hughes Med Inst, Dept Tumor Cell Biol, Memphis, TN 38105 USA
Sherr, CJ
[1
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机构:
[1] St Jude Childrens Res Hosp, Howard Hughes Med Inst, Dept Tumor Cell Biol, Memphis, TN 38105 USA
The retinoblastoma protein (RB) and p53 transcription factor are regulated by two distinct proteins that are encoded by the INK4a/ARF locus. Genes encoding these four tumour suppressors are disabled, either in whole or in part, in most human cancers. A complex signalling network that interconnects the activities of RB and p53 monitors oncogenic stimuli to provide a cell-autonomous mode of tumour surveillance.