Team:Imperial College London/M1/PKU
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Latest revision as of 18:33, 12 October 2009
Phenylketonuria
Phenylketonuria (PKU) is an autosomal recessive genetic disorder where the body is unable to break down the amino acid phenylalanine. This is because of a deficiency of an enzyme called phenylalanine hydroxylase (PAH), which converts phenylalanine to tyrosine. Absence of PAH causes phenylalanine to break down into phenylketone instead. A chronically high level of phenylalanine, called hyperphenylalaninemia will result. Phenylalanine then accumulates in blood and tissues and results in characteristic symptoms of PKU. Left untreated, PKU can lead to problems with brain development resulting in progressive mental retardation and brain damage.
Useful Links
[http://www.nspku.org/ NSPKU: National Society for Phenylketonuria]