Research brief: Venomous lizard aids diabetics

A chemical in the saliva of the Gila monster, one of two venomous lizards in the world and native to the US and Mexico, could help to treat type-2 diabetes, say UK researchers. They have isolated exendin-4 in its saliva which is similar to a human hormone that helps to regulate blood sugar. The chemical has been produced synthetically as a drug called exenatide, and could be a novel treatment for type-2 diabetics. Testosterone gel treats MS

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