Inhibition of fibroblast and smooth muscle cell proliferation and migration in vitro by a novel aminochromone U-67154

Paul D. Bonin, Jai Pal Singh, Ronald B. Gammill, Laurence A. Erickson

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Medial smooth muscle cell migration and neointimal proliferation are primary contributors to the delayed restenosis that occurs after percutaneous transluminal coronary angioplasty. In this study, we describe the antiproliferative and autichemotactic properties of U-67154, the parent compound of a series of novel aminochromones, determined using in vitro fibroblast and smooth muscle cell culture systems. U-67154 inhibited the induction of DNA synthesis in confluent BALB/c 3T3 fibroblasts and early-passage rat aortic smooth muscle cells by several different growth factors in a concentration- dependent manner. U-67154 similarly inhibited the proliferation of these cells stimulated by serum. Growth-factor-induced chemotaxis of fibroblasts and early-passage rat aortic smooth muscle cells also was inhibited by U-67154 in a concentration-dependent manner. The IC50S for all of these functions were similar (between 120 and 200 μM). Such antiproliferative and antichemotactic effects did not result from cytotoxicity (as measured by lactate dehydrogenase release, neutral red uptake or nonspecific inhibition of protein synthesis). Most important, inhibition of long-term proliferation of fibroblasts and early-passage smooth muscle cells by U-67154 was fully reversible upon removal of the drug. Thus, U-67154 represents a class of novel, noncytotoxic compounds that may prove useful in the treatment of proliferative disorders such as delayed restenosis after percutaneous transluminal coronary angioplasty.

Original languageEnglish (US)
Pages (from-to)108-115
Number of pages8
JournalJournal of Vascular Research
Volume30
Issue number2
DOIs
StatePublished - 1993
Externally publishedYes

Fingerprint

Smooth Muscle Myocytes
Cell Movement
Fibroblasts
Cell Proliferation
Coronary Balloon Angioplasty
Intercellular Signaling Peptides and Proteins
Neutral Red
Chemotaxis
L-Lactate Dehydrogenase
In Vitro Techniques
Inhibition (Psychology)
2-(4-morpholinyl)-4H-1-benzopyran-4-one
Cell Culture Techniques
DNA
Serum
Pharmaceutical Preparations
Proteins

Keywords

  • Antichemotactic
  • Antiproliferative
  • Cytostatic
  • Fibroblast
  • Smooth muscle cell

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Inhibition of fibroblast and smooth muscle cell proliferation and migration in vitro by a novel aminochromone U-67154. / Bonin, Paul D.; Singh, Jai Pal; Gammill, Ronald B.; Erickson, Laurence A.

In: Journal of Vascular Research, Vol. 30, No. 2, 1993, p. 108-115.

Research output: Contribution to journalArticle

Bonin, Paul D. ; Singh, Jai Pal ; Gammill, Ronald B. ; Erickson, Laurence A. / Inhibition of fibroblast and smooth muscle cell proliferation and migration in vitro by a novel aminochromone U-67154. In: Journal of Vascular Research. 1993 ; Vol. 30, No. 2. pp. 108-115.
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