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Arginase reciprocally regulates nitric oxide synthase activity and contributes to endothelial dysfunction in aging blood vessels.
Berkowitz DE, White R, Li D, Minhas KM, Cernetich A, Kim S, Burke S, Shoukas AA, Nyhan D, Champion HC, Hare JM. Berkowitz DE, et al. Circulation. 2003 Oct 21;108(16):2000-6. doi: 10.1161/01.CIR.0000092948.04444.C7. Epub 2003 Sep 29. Circulation. 2003. PMID: 14517171
L-arginine, the NO synthase (NOS) precursor, is also a substrate for arginase. We tested the hypotheses that arginase reciprocally regulates NOS by modulating L-arginine bioavailability and that arginase is upregulated in aging vas …
L-arginine, the NO synthase (NOS) precursor, is also a substrate for arginase. We tested the hypotheses that arginase
Inducible NO synthase dependent S-nitrosylation and activation of arginase1 contribute to age-related endothelial dysfunction.
Santhanam L, Lim HK, Lim HK, Miriel V, Brown T, Patel M, Balanson S, Ryoo S, Anderson M, Irani K, Khanday F, Di Costanzo L, Nyhan D, Hare JM, Christianson DW, Rivers R, Shoukas A, Berkowitz DE. Santhanam L, et al. Circ Res. 2007 Sep 28;101(7):692-702. doi: 10.1161/CIRCRESAHA.107.157727. Epub 2007 Aug 17. Circ Res. 2007. PMID: 17704205
This may be, in part, attributable to increased arginase activity, which reciprocally regulates NO synthase (NOS) by competing for the common substrate, L-arginine. ...Finally, arginase1 nitrosylation is increased (and thus its Km decreased) in …
This may be, in part, attributable to increased arginase activity, which reciprocally regulates NO synthase