Diethylstilbestrol induces arrest of rat vascular smooth muscle cell cycle progression through downregulation of cyclin D1 and cyclin e

Min Cheol Song, Junsoo Park, Tack Joong Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Cardiovascular disease is associated with a multitude of pathophysiologic conditions, including vascular smooth muscle cell (VSMC) proliferation in response to vessel injury. Diethylstilbestrol (DES) was previously prescribed for at-risk pregnancies to prevent abortion, miscarriage, and premature labor. Our aim in this study was to elucidate the effects and molecular mechanism of DES on proliferation and cell cycle progression of platelet-derived growth factor (PDGF)-BB-stimulated rat aortic VSMCs. Treating the cells with DES (1-7 μM) dramatically inhibited cell proliferation in a dose-dependent manner without any cytotoxic effects. In addition, DES blocked cell cycle progression from PDGF-BB-stimulated cells, which we found was related to down-regulation of the cell cycle regulatory factors, cyclin D1, and cyclin E. Our data demonstrate that DES inhibits rat aortic VSMC proliferation and cell cycle progression through regulation of cell cycle-related proteins. Therefore, our observations may explain, in part, the mechanistic basis underlying the therapeutic effects of DES in cardiovascular disease.

Original languageEnglish
Pages (from-to)103-109
Number of pages7
JournalMolecular and Cellular Biochemistry
Volume360
Issue number1-2
DOIs
Publication statusPublished - 2012 Jan 1

Fingerprint

Diethylstilbestrol
Cyclins
Cyclin D1
Vascular Smooth Muscle
Smooth Muscle Myocytes
Muscle
Rats
Cell Cycle
Down-Regulation
Cells
Cell proliferation
Cell Proliferation
Cardiovascular Diseases
Inbred BB Rats
Cyclin E
Cell Cycle Proteins
Premature Obstetric Labor
Therapeutic Uses
Spontaneous Abortion
Personnel

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Clinical Biochemistry
  • Cell Biology

Cite this

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Diethylstilbestrol induces arrest of rat vascular smooth muscle cell cycle progression through downregulation of cyclin D1 and cyclin e. / Song, Min Cheol; Park, Junsoo; Kim, Tack Joong.

In: Molecular and Cellular Biochemistry, Vol. 360, No. 1-2, 01.01.2012, p. 103-109.

Research output: Contribution to journalArticle

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