LUNG CARCINOMA, HYPOURICEMIA AND AMINOACIDURIA.
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Biomedical subjects
Publications and source records attributed to F IRREVERRE.
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Deficiency of cystathioninie synthetase activity results in the clinical syndrome of homocystinuria. In both parents of a patient with homocystinuria, the hepatic cystathionine synthetase activity was 40 percent of that in unrelated control patients. These findings demonstrate that the metabolic error is inherited and suggest that the parents, although clinically normal, represent the heterozygous. state. A second case of homocystinuria also is shown to be associated with cystathionine synthetase deficiency.
A deficiency, or absence, of cystathionine synthetase activity has been demonstrated in liver obtained from a mentally retarded child with homocystinuria.
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Adults of three species of mosquitoes, Aedes aegypti, Anopheles quadrimaculatus and Culex pipiens, showed essentially similar patterns of nitrogen output as judged by their excretion of total nitrogen and by their excretion of nitrogen as uric acid, urea, ammonia, amino acid, and protein. About 80 percent of their total nitrogen has been accounted for. Substances that seem on analysis to be like glycoprotein have been found in the excreta of the three species.
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