Study of a fetal brain affected by a severe form of tyrosine hydroxylase deficiency, a rare cause of early parkinsonism.

Abstract excerpt

Tyrosine hydroxylase (TH) deficiency is an inborn error of dopamine synthesis. Two clinical phenotypes have been described. The THD "B" phenotype produces a severe encephalopathy of early-onset with sub-optimal L-Dopa response, whereas the "A" phenotype has a better L-Dopa response and outcome. The objective of the study is to describe the expression of key synaptic proteins and neurodevelopmental markers in a...

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