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wt. ) and a peak nitric oxide (NO) production was observed at the dose level of 2000 mg/kg b. wt. On the other hand, administration of GABA failed to increase NO production in the brain. Rats pretreated (10 min) with a nonspecific nitric oxide synthase (NOS) inhibitor N(omega)-nitro-L-Arginine methyl ester (L-NAME, 50 mg/kg b. wt. ) completely blocked the production of NO induced by L-Arg. In addition, L-NAME attenuated GABA entry into the brain after the administration of GABA alone or in combination with L-Arg.
In both wild-type C57BL/6J mice and apolipoprotein E-knockout (apoE-KO) mice, treatment with AVE9488 resulted in enhanced vascular eNOS expression. In apoE-KO mice, but not in eNOS-knockout mice, treatment with AVE9488 reduced cuff-induced neointima formation. A 12-week treatment with AVE9488 or AVE3085 reduced atherosclerotic plaque formation in apoE-KO mice, but not in apoE/eNOS-double knockout mice. Aortas from apoE-KO mice showed a significant generation of reactive oxygen species. This was partly prevented by nitric-oxide inhibitor N(omega)-nitro-l-arginine methyl ester.
Knight KR, Zhang B, Morrison WA, Stewart AG. Ischaemia‐reperfusion injury in mouse skeletal muscle is reduced by N omega‐nitro‐L‐arginine methyl ester and dexamethasone. Eur J Pharmacol 332: 273‐278, 1997.
Cannabinoids have been demonstrated to protect neuron cultures from glutamate-induced death. In this study, we test the hypothesis that glutamate causes apoptosis of retinal neurons via the excessive formation of peroxynitrite, and that the neuroprotective effect of the psychotropic Delta9-tetrahydroxycannabinol (THC) or nonpsychotropic cannabidiol (CBD) is via the attenuation of this formation. Excitotoxicity of the retina was induced by intravitreal injection of N-methyl-D-aspartate (NMDA) in rats, which also received 4-hydroxy-2,2,6,6-tetramethylpiperidine-n-oxyl (TEMPOL,a superoxide dismutase-mimetic), N-omega-nitro-L-arginine methyl ester.
Nutr Cancer 2008; 60:675-84) and a β-cyclodextrin inclusion compound of GOFA (Tanaka et al. , Int J Cancer 2010; 126:830-40) in colitis-related colorectal carcinogenesis. In our study, the chemopreventive effects of a newly synthesized GOFA-containing compound, GOFA-N(omega)-nitro-L-arginine methyl ester.