Localization of PDGF-B protein in macrophages in all phases of atherogenesis - PubMed (original) (raw)

. 1990 May 25;248(4958):1009-12.

doi: 10.1126/science.2343305.

Affiliations

• PMID: 2343305
• DOI: 10.1126/science.2343305

Localization of PDGF-B protein in macrophages in all phases of atherogenesis

R Ross et al. Science. 1990.

Abstract

Lesions of atherosclerosis occur in the innermost layer of the artery wall and consist primarily of proliferated smooth muscle cells surrounded by large amounts of connective tissue, numerous lipid-laden macrophages, and varying numbers of lymphocytes. Growth-regulatory molecules may be involved in intimal accumulation and proliferation of smooth muscle cells responsible for the occlusive lesions of atherosclerosis. Platelet-derived growth factor (PDGF) B-chain protein was found within macrophages in all stages of lesion development in both human and nonhuman primate atherosclerosis. Thus macrophages may play a critical role in the disease by providing PDGF, a potent chemotactic and growth-stimulatory molecule, to the intimal smooth muscle cells.

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