BH4-sensitive hyperphenylalaninemia: new case and review of literature.

Abstract:

:We report a patient with BH(4)-sensitive phenylketonuria. In neonatal screening, phenylalanine levels above 10 mg/dl were detected. In the tetrahydrobiopterin- (BH(4)) loading test, phenylalanine concentrations in serum fell significantly. Dihydropteridine reductase activity in blood, pterines, and neurotransmitters in cerebrospinal fluid, as well as pterines in urine were all normal. Mutation analysis revealed compound-heterozygosity for the mutations R408W and K320N. Under BH(4)-supplementation without a specific phenylalanine-reduced diet, phenylalanine-concentrations are in the therapeutic range and our patient developed normally.

journal_name

Pediatr Neurol

journal_title

Pediatric neurology

authors

Lücke T,Illsinger S,Aulehla-Scholz C,Sander J,Das AM

doi

10.1016/s0887-8994(02)00516-7

subject

Has Abstract

pub_date

2003-03-01 00:00:00

pages

228-30

issue

3

eissn

0887-8994

issn

1873-5150

pii

S0887899402005167

journal_volume

28

pub_type

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