Title : Antimitogenesis linked to regulation of Skp2 gene expression.

Pub. Date : 2004 Jul 9

PMID : 15126498






4 Functional Relationships(s)
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1 We previously reported that the prostacyclin mimetic, cicaprost, selectively inhibits cyclin E-cyclin-dependent kinase-2 (Cdk2), and now we show that it acts by regulating the expression of Skp2, the F-box protein that targets p27(Kip1) for ubiquitin-mediated proteolysis. cicaprost dynactin subunit 6 Homo sapiens
2 First, we show that cicaprost prevents the late G(1) phase down-regulation of p27(Kip1) and that the inhibitory effect of cicaprost on cyclin E-Cdk2 activity and S phase entry is eliminated by deleting p27(Kip1). cicaprost dynactin subunit 6 Homo sapiens
3 First, we show that cicaprost prevents the late G(1) phase down-regulation of p27(Kip1) and that the inhibitory effect of cicaprost on cyclin E-Cdk2 activity and S phase entry is eliminated by deleting p27(Kip1). cicaprost dynactin subunit 6 Homo sapiens
4 Moreover, we show that cicaprost blocks the induction of Skp2 mRNA and that ectopic expression of a Skp2 cDNA overrides the effect of cicaprost on p27(Kip1) levels and S phase entry. cicaprost dynactin subunit 6 Homo sapiens