Title : Dysregulation of the cyclin-dependent kinase inhibitor p21WAF1/CIP1/MDA6 increases the susceptibility of human leukemia cells (U937) to 1-beta-D-arabinofuranosylcytosine-mediated mitochondrial dysfunction and apoptosis.

Pub. Date : 1999 Mar 15

PMID : 10096557






1 Functional Relationships(s)
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1 After a 6-h exposure to 1 microM ara-C, cells stably transfected with a p21WAF1/CIP1 antisense construct were significantly more sensitive to the induction of classic apoptotic morphology, DNA fragmentation, caspase-3 activation, poly(ADP-ribose) polymerase degradation, and underphosphorylation of the retinoblastoma protein (pRb) than their empty-vector counterparts. Cytarabine poly(ADP-ribose) polymerase 1 Homo sapiens