Mutations in the cyclic adenosine monophosphate response element of the tyrosine hydroxylase gene

Tyrosine hydroxylase (TH) deficiency (OMIM 191290) is one cause of early‐onset dopa‐responsive dystonia. We describe seven cases from five unrelated families with dopa‐responsive dystonia and low homovanillic acid in cerebrospinal fluid who were suspected to suffer from TH deficiency. Analysis of pa...

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