Article
A branch site mutation leading to aberrant splicing of the human tyrosine hydroxylase gene in a child with a severe extrapyramidal movement disorder.
Annals of human genetics - 1 Sept 2000
Janssen R J, Wevers R A, Häussler M, Luyten J A, Steenbergen-Spanjers G C, Hoffmann G F, Nagatsu T, Van den Heuvel L P
Abstract excerpt
We report a branch site mutation in the gene of the enzyme tyrosine hydroxylase (TH): a -24t > a substitution two bases upstream of the adenosine in the branchpoint sequence (BPS) of intron 11. As normal lariat formation is therefore prevented, alternative splicing takes place; use of the BPS of intron 12 results in skipping of exon 12, whereas the use of a cryptic branch site in intron 11 leads to partial...
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