نتایج جستجو برای: keywords chk2
تعداد نتایج: 1978979 فیلتر نتایج به سال:
The clock gene period-4 (prd-4) in Neurospora was identified by a single allele displaying shortened circadian period and altered temperature compensation. Positional cloning followed by functional tests show that PRD-4 is an ortholog of mammalian checkpoint kinase 2 (Chk2). Expression of prd-4 is regulated by the circadian clock and, reciprocally, PRD-4 physically interacts with the clock comp...
We devised two short peptides corresponding to amino acids 211-221 of human Cdc25C fused with a part of HIV1-TAT. These peptides inhibited hChk1 and Chk2/HuCds1 kinase activity in vitro and specifically abrogated the G2 checkpoint in vivo. These peptides sensitized p53-defective cancer cell lines to DNA-damaging agent to death without obvious cytotoxic effect on normal cells. Our results clearl...
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