Developmentally regulated production of platelet-derived growth factor-like molecules.
Nature
; 311(5987): 669-71, 1984.
Article
em En
| MEDLINE
| ID: mdl-6090952
ABSTRACT
Platelet-derived growth factor (PDGF) is thought to mediate the proliferation of smooth muscle cells in injured arteries, and may be involved in the pathogenesis of atherosclerosis. PDGF-like molecules from non-platelet sources may also play a role in the regulation of cell activity in other circumstances. Transformation of cells by a wide range of oncongenic agents appears to activate a cellular gene encoding a PDGF-like molecule, possibly accounting for the ability of transformed cells to grow without addition of exogenous mitogens. We show here that a molecule (PDGF-c) which can compete with 125I-PDGF for binding to PDGF receptors is secreted by cultured rat aortic smooth muscle cells (rASMC) isolated from 13 to 18-day-old rats (pups) but not from three-month-old animals (adults). Thus, production of PDGF-c appears to be developmentally regulated and may be a factor in the more rapid proliferation of rASMC and synthesis of connective tissue components which occurs during growth of the aorta in vivo.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Aorta
/
Fator de Crescimento Derivado de Plaquetas
/
Desenvolvimento Muscular
/
Músculo Liso Vascular
Limite:
Animals
Idioma:
En
Revista:
Nature
Ano de publicação:
1984
Tipo de documento:
Article