Abstract:
:Although Nogo-A has been identified in the central nervous system as an inhibitor of axonal regeneration, the peripheral roles of Nogo isoforms remain virtually unknown. Here, using a proteomic analysis to identify proteins enriched in caveolae and/or lipid rafts (CEM/LR), we show that Nogo-B is highly expressed in cultured endothelial and smooth muscle cells, as well as in intact blood vessels. The N terminus of Nogo-B promotes the migration of endothelial cells but inhibits the migration of vascular smooth muscle (VSM) cells, processes necessary for vascular remodeling. Vascular injury in Nogo-A/B-deficient mice promotes exaggerated neointimal proliferation, and adenoviral-mediated gene transfer of Nogo-B rescues the abnormal vascular expansion in those knockout mice. Our discovery that Nogo-B is a regulator of vascular homeostasis and remodeling broadens the functional scope of this family of proteins.
journal_name
Nat Medjournal_title
Nature medicineauthors
Acevedo L,Yu J,Erdjument-Bromage H,Miao RQ,Kim JE,Fulton D,Tempst P,Strittmatter SM,Sessa WCdoi
10.1038/nm1020keywords:
subject
Has Abstractpub_date
2004-04-01 00:00:00pages
382-8issue
4eissn
1078-8956issn
1546-170Xpii
nm1020journal_volume
10pub_type
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