Phenylketonuria: Difference between revisions
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'''Phenylketouria''' (PKU) is a metabolic disease commonly known since it is one of several genetic diseases that babies are screened for at birth. | '''Phenylketouria''' (PKU) is a metabolic disease commonly known since it is one of several genetic diseases that babies are screened for at birth. It is due to mutations in the enzyme phenylalanine hydroxylase that is required to metabolise the amino acid phenylalanine to tyrosine. The impact of this deficiency can be severe causing mental retardation and organ damage. Neonatal screening for this disease is critical since changes in the diet, limiting the intake of phenylalanine, can reduce the severity of the symptoms. | ||
Revision as of 14:20, 25 September 2008
Phenylketouria (PKU) is a metabolic disease commonly known since it is one of several genetic diseases that babies are screened for at birth. It is due to mutations in the enzyme phenylalanine hydroxylase that is required to metabolise the amino acid phenylalanine to tyrosine. The impact of this deficiency can be severe causing mental retardation and organ damage. Neonatal screening for this disease is critical since changes in the diet, limiting the intake of phenylalanine, can reduce the severity of the symptoms.