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Nitric oxide (NO) is a simple molecule with a complex and pleiotropic biological activity. NO or related species have been implicated in the regulation of many genes that participate in many diverse biological functions including programmed cell death or apoptosis. Apoptosis is a process that may potentially be disrupted in cancer cells conferring a survival advantage. In addition, malignant tumor...
Thiol antioxidants are known to inhibit the nitric oxide-dependent induction of the hemoxygenase-1 gene (HOX-1). To estimate the degree to which the inhibitory effect of thiol antioxidants is accounted for by them scavenging oxidized NO derivatives or their precursors, the reactive oxygen and nitrogen species (ROS and RNS), we studied the inhibitory effect of nonthiol antioxidants: dimethyl sulfoxide,...
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