Involvement of clusterin in 15-deoxy-Δ12,14-prostaglandin J2-induced vascular smooth muscle cell differentiation

Yoshikazu Miwa, Fumi Takahashi-Yanaga, Sachio Morimoto, Toshiyuki Sasaguri

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

To establish an in vitro model of vascular smooth muscle cell (VSMC) differentiation, we examined the effect of 15-deoxy-Δ12,14- prostaglandin J2 (15d-PGJ2) on the expression of VSMC differentiation markers. After the addition of 15d-PGJ2 to confluent human umbilical artery smooth muscle cells synchronized in the G0 phase, cells showed a "hill and valley" appearance and thereafter aggregated and formed macroscopic nodules. Cells forming nodules expressed high levels of SM2, the most specific VSMC differentiation marker, comparable to medial VSMCs in vivo. 15d-PGJ2 significantly increased the mRNA and protein expression levels of clusterin, a secreted glycoprotein reported to induce nodule formation and differentiation of VSMCs. Moreover, addition of an anti-clusterin antibody completely inhibited the nodule formation induced by 15d-PGJ2 and induced apoptosis. Our results suggested that clusterin is involved in 15d-PGJ2-induced nodule formation and cell differentiation in VSMCs.

Original languageEnglish
Pages (from-to)163-168
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume319
Issue number1
DOIs
Publication statusPublished - Jun 18 2004

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Clusterin
Vascular Smooth Muscle
Smooth Muscle Myocytes
Muscle
Cell Differentiation
Cells
Differentiation Antigens
Cell Cycle Resting Phase
Umbilical Arteries
Anti-Idiotypic Antibodies
Glycoproteins
15-deoxy-delta(12,14)-prostaglandin J2
Apoptosis
Messenger RNA
Antibodies
Proteins

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Involvement of clusterin in 15-deoxy-Δ12,14-prostaglandin J2-induced vascular smooth muscle cell differentiation. / Miwa, Yoshikazu; Takahashi-Yanaga, Fumi; Morimoto, Sachio; Sasaguri, Toshiyuki.

In: Biochemical and Biophysical Research Communications, Vol. 319, No. 1, 18.06.2004, p. 163-168.

Research output: Contribution to journalArticle

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