Title : Genistein arrests hepatoma cells at G2/M phase: involvement of ATM activation and upregulation of p21waf1/cip1 and Wee1.

Pub. Date : 2004 Feb 15

PMID : 14757171






3 Functional Relationships(s)
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1 Genistein also enhanced the expression of the cell cycle inhibitor, p21waf1/cip1, which interacts with Cdc2. Genistein cyclin dependent kinase inhibitor 1A Homo sapiens
2 Caffeine, an ATM kinase inhibitor, inhibited these effects of genistein on Chk2, p53, and p21waf1/cip1. Genistein cyclin dependent kinase inhibitor 1A Homo sapiens
3 These findings suggest that the effect of genistein on G2/M arrest in HepG2 cells is partly due to ATM-dependent Chk2 activation, an increase in Cdc2 phosphorylation/inactivation as a result of induction of Wee1 expression, and a decrease in Cdc2 activity as a result of induction of p21waf1/cip1 expression. Genistein cyclin dependent kinase inhibitor 1A Homo sapiens