Lesch-Nyhan Syndrome

Lesch-Nyhan Syndrome
Lesch-Nyhan syndrome (LNS) is a rare, inherited disorder caused by a deficiency of the enzyme hypoxanthine-guanine phosphoribosyltransferase (HPRT). LNS is an X-linked recessive disease-- the gene is carried by the mother and passed on to her son.  Symptoms include severe gout, poor muscle control, and moderate intellectual disability, which appear in the first year of life.  A striking feature of LNS is self-mutilating behaviors
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