About The Medical Condition Phenylalanine Hydroxylase Deficiency Disease

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Find the definition of the medical term Phenylalanine Hydroxylase Deficiency Disease. Phenylalanine Hydroxylase Deficiency Disease defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Phenylalanine Hydroxylase Deficiency Disease

Phenylalanine Hydroxylase Deficiency Disease Medical Condition Defined & Explained
Phenylalanine Hydroxylase Deficiency Disease Medical Condition

What's The Definition Of The Medical Condition Phenylalanine Hydroxylase Deficiency Disease?

A group of autosomal recessive disorders marked by a deficiency of the hepatic enzyme PHENYLALANINE HYDROXYLASE or less frequently by reduced activity of DIHYDROPTERIDINE REDUCTASE (i.e., atypical phenylketonuria). Classical phenylketonuria is caused by a severe deficiency of phenylalanine hydroxylase and presents in infancy with developmental delay; SEIZURES; skin HYPOPIGMENTATION; ECZEMA; and demyelination in the central nervous system. (From Adams et al., Principles of Neurology, 6th ed, p952).

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