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Research Article Free access | 10.1172/JCI115613

Platelet-derived growth factor promotes smooth muscle migration and intimal thickening in a rat model of balloon angioplasty.

A Jawien, D F Bowen-Pope, V Lindner, S M Schwartz, and A W Clowes

Department of Surgery, University of Washington School of Medicine, Seattle 98195.

Find articles by Jawien, A. in: JCI | PubMed | Google Scholar

Department of Surgery, University of Washington School of Medicine, Seattle 98195.

Find articles by Bowen-Pope, D. in: JCI | PubMed | Google Scholar

Department of Surgery, University of Washington School of Medicine, Seattle 98195.

Find articles by Lindner, V. in: JCI | PubMed | Google Scholar

Department of Surgery, University of Washington School of Medicine, Seattle 98195.

Find articles by Schwartz, S. in: JCI | PubMed | Google Scholar

Department of Surgery, University of Washington School of Medicine, Seattle 98195.

Find articles by Clowes, A. in: JCI | PubMed | Google Scholar

Published February 1, 1992 - More info

Published in Volume 89, Issue 2 on February 1, 1992
J Clin Invest. 1992;89(2):507–511. https://doi.org/10.1172/JCI115613.
© 1992 The American Society for Clinical Investigation
Published February 1, 1992 - Version history
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Abstract

Platelet-derived growth factor (PDGF) is a mitogen and chemoattractant for vascular smooth muscle cells (SMC) in vitro, but its activities in vivo remain largely undefined. We infused recombinant PDGF-BB (0.01-0.30 mg/kg per d i.v.) into rats subjected to carotid injury. PDGF-BB produced a small increase (two- to threefold) in medial SMC proliferation. More importantly, PDGF-BB greatly increased (20-fold) the intimal thickening and the migration of SMC from the media to the intima during the first 7 d after injury. These data provide support for the hypothesis that PDGF, and perhaps other platelet factors, might play an important role in the movement of mesenchymal cells into zones of injury undergoing repair.

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