Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P00492 (hypoxanthine-guanine phosphoribosyltransferase)
 2,385 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Phenylketonuria is a defect in phenylalanine metabolism resulting in the excretion of phenylketones and severe intellectual disability. The principle of eliminating the offending amino acid from the diet as a successful treatment strategy was demonstrated. The development of a low methionine diet to treat homocystinuria was established after identifying the transsulfuration pathway resulting in cysteine synthesis. Both conditions are examples of disorders of amino acid metabolism. Lesch-Nyhan syndrome, a rare disorder of purine metabolism resulting in intellectual disability and self-injurious behavior, is a classical inborn error of metabolism. Disorders of creatine biosynthesis are relatively newly described and less known diseases.
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PMID:Inborn Errors of Metabolism with Cognitive Impairment: Metabolism Defects of Phenylalanine, Homocysteine and Methionine, Purine and Pyrimidine, and Creatine. 2950 13