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2-Methoxy-4-vinylphenol Can Induce Cell Cycle Arrest by Blocking the Hyper-Phosphorylation of Retinoblastoma Protein in Benzo[a]pyrene-Treated NIH3T3 Cells

2-Methoxy-4-vinylphenol Can Induce Cell Cycle Arrest by Blocking the Hyper-Phosphorylation of Retinoblastoma Protein in Benzo[a]pyrene-Treated NIH3T3 Cells

Jin Boo Jeong, Hyung Jin Jeong

Biochem Biophys Res Commun. 2010 Oct 1;400(4):752-7.

PMID: 20816752

Abstract:

Benzo[a]pyrene (BaP) is an environment carcinogen that can enhance cell proliferation by disturbing the signal transduction pathways in cell cycle regulation. In this study, the effects of 2M4VP on cell proliferation, cell cycle and cell cycle regulatory proteins were studied in BaP-treated NIH 3T3 cells to establish the molecular mechanisms of 2M4VP as anti-proliferative agents. 2M4VP exerted a dose-dependent inhibitory effect on cell growth correlated with a G1 arrest. Analysis of G1 cell cycle regulators expression revealed 2M4VP increased expression of CDK inhibitor, p21Waf1/Cip1 and p15 INK4b, decreased expression of cyclin D1 and cyclin E, and inhibited kinase activities of CDK4 and CDK2. However, 2M4VP did not affect the expression of CDK4 and CDK2. Also, 2M4VP inhibited the hyper-phosphorylation of Rb induced by BaP. Our results suggest that 2M4VP induce growth arrest of BaP-treated NIH 3T3 cells by blocking the hyper-phosphorylation of Rb via regulating the expression of cell cycle-related proteins.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7786610	2-Methoxy-4-vinylphenol		7786-61-0	Price

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