Title : A plant oxylipin, 12-oxo-phytodienoic acid, inhibits proliferation of human breast cancer cells by targeting cyclin D1.

Pub. Date : 2008 May

PMID : 17638069






5 Functional Relationships(s)
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1 A plant oxylipin, 12-oxo-phytodienoic acid, inhibits proliferation of human breast cancer cells by targeting cyclin D1. 12-oxophytodienoic acid cyclin D1 Homo sapiens
2 In response to OPDA treatment, the human breast cancer cell lines exhibit a progressive decline in cyclin D1 expression, which is tightly associated with the accumulation of hypophosphorylated form of the retinoblastoma protein (Rb) and G1 arrest. 12-oxophytodienoic acid cyclin D1 Homo sapiens
3 The proteasome inhibitor MG132 blocks OPDA-mediated decrease in cyclin D1. 12-oxophytodienoic acid cyclin D1 Homo sapiens
4 In addition, the overexpression of T286A, a cyclin D1 mutant which is refractory to phosphorylation by GSK3beta and proteosomal degradation, is resistant to OPDA-mediated Rb dephosphorylation as well as G(1) cell cycle arrest. 12-oxophytodienoic acid cyclin D1 Homo sapiens
5 Thus, our results demonstrate that degradation of cyclin D1 protein is a key event in OPDA induced growth inhibition in breast cancer cells. 12-oxophytodienoic acid cyclin D1 Homo sapiens