Title : Molecular mechanisms mediating antimyeloma activity of proteasome inhibitor PS-341.

Pub. Date : 2003 Feb 15

PMID : 12393500






3 Functional Relationships(s)
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1 We here demonstrate molecular mechanisms whereby PS-341 mediates anti-MM activity by inducing p53 and MDM2 protein expression; inducing the phosphorylation (Ser15) of p53 protein; activating c-Jun NH(2)-terminal kinase (JNK), caspase-8, and caspase-3; and cleaving the DNA protein kinase catalytic subunit, ATM, and MDM2. Bortezomib mitogen-activated protein kinase 8 Homo sapiens
2 We here demonstrate molecular mechanisms whereby PS-341 mediates anti-MM activity by inducing p53 and MDM2 protein expression; inducing the phosphorylation (Ser15) of p53 protein; activating c-Jun NH(2)-terminal kinase (JNK), caspase-8, and caspase-3; and cleaving the DNA protein kinase catalytic subunit, ATM, and MDM2. Bortezomib mitogen-activated protein kinase 8 Homo sapiens
3 Inhibition of JNK activity abrogates PS-341-induced MM cell death. Bortezomib mitogen-activated protein kinase 8 Homo sapiens