Dihydropteridine reductase deficiency (Q105033): Difference between revisions

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Latest revision as of 10:56, 17 August 2026

Dihydropteridine reductase (DHPR) deficiency, an autosomal recessive genetic disorder, is one of the causes of malignant hyperphenylalaninemia due to tetrahydrobiopterine deficiency, and is also responsible for defective neurotransmission of monoamines. When left untreated, DHPR deficiency leads to neurological signs that include: psychomotor retardation, tonicity disorders, drowsiness, irritability, abnormal movements, hyperthermia, hypersalivation, and difficult swallowing.

Language	Label	Description	Also known as
default for all languages	ID_1931239861
English	Dihydropteridine reductase deficiency	Dihydropteridine reductase (DHPR) deficiency, an autosomal recessive genetic disorder, is one of the causes of malignant hyperphenylalaninemia due to tetrahydrobiopterine deficiency, and is also responsible for defective neurotransmission of monoamines. When left untreated, DHPR deficiency leads to neurological signs that include: psychomotor retardation, tonicity disorders, drowsiness, irritability, abnormal movements, hyperthermia, hypersalivation, and difficult swallowing.