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Treatment of cyanide poisoning generally includes methemoglobin forming agents, like amyl nitrite and/or sodium nitrite (SN), in combination with sodium thiosulphate (STS). However, in many instances of cyanide poisoning, use of nitrites are contraindicated due to their strong vasoactive properties. α-Ketoglutarate (α-KG) antagonises cyanide by cyanohydrin formation and is considered a promising antidote...
Cyanide inhibits the mitochondrial respiratory chain enzyme cytochrome oxidase causing histotoxic hypoxia. It is primarily considered as a neurotoxin but its other toxic manifestations are also well documented. Cyanide-induced apoptosis in neuronal cells has also been demonstrated recently. At the same time we also reported that potassium cyanide (KCN) produces extensive cytotoxicity and DNA fragmentation...
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