Biochemical Changes Following Poisoning of Rats by Alphanaphthylthiourea

Abstract
The intra-peritoneal injn. of 10 mg./kg. of alphanaphthylthiourea (ANTU) into rats caused a marked rise in blood sugar from an avg. value of 68 mg. % to 173 mg. % in 2.5 hrs. Liver glycogen values fell from a normal of 1.13% to 0.019%. ANTU-poisoned animals were unable to deposit liver glycogen. While these expts. demonstrate a disturbance in carbohydrate metabolism, they do not prove that death from ANTU is due to these changes. In rats, large doses of cysteine (1000 mg./kg.) afforded protection from death against 10 mg./kg. of ANTU.

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