Abstract:1. Thiols have been implicated to play a role in a variety of aspects of nitric oxide (NO) generation and activity. Thiol dependence of nitric oxide synthase (NOS) has remained controversial and its mechanism is not clear. This study investigates possible mechanisms between thiol (SH group) and NOS activation, through thiol compounds (glutathione, dithiothreitol, N-acetyl-L-cysteine) and Ebselen [2-phenyl-1,2-benzisoselenazole-3(2H)-one] on rat aortic vascular responses. 2. In rat thoracic aorta, acetylcholine… Show more
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