Neointima Formed by Arterial Smooth Muscle Cells Expressing Versican Variant V3 Is Resistant to Lipid and Macrophage Accumulation
Author(s) -
Mervyn J. Merrilees,
Brent Beaumont,
Kathleen R. Braun,
Anita C. Thomas,
Inkyung Kang,
Aleksander Hinek,
Alberto Passi,
Thomas N. Wight
Publication year - 2011
Publication title -
arteriosclerosis thrombosis and vascular biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.007
H-Index - 270
eISSN - 1524-4636
pISSN - 1079-5642
DOI - 10.1161/atvbaha.111.225573
Subject(s) - neointima , versican , macrophage , vascular smooth muscle , smooth muscle , microbiology and biotechnology , chemistry , anatomy , extracellular matrix , medicine , biology , biochemistry , restenosis , in vitro , proteoglycan , stent
Extracellular matrix (ECM) of neointima formed following angioplasty contains elevated levels of versican, loosely arranged collagen, and fragmented deposits of elastin, features associated with lipid and macrophage accumulation. ECM with a low versican content, compact structure, and increased elastic fiber content can be achieved by expression of versican variant V3, which lacks chondroitin sulfate glycosaminoglycans. We hypothesized that V3-expressing arterial smooth muscle cells (ASMC) can be used to form a neointima resistant to lipid and macrophage accumulation associated with hypercholesterolemia.
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