Article
Spinocerebellar ataxia type 17: report of a family with reduced penetrance of an unstable Gln49 TBP allele, haplotype analysis supporting a founder effect for unstable alleles and comparative analysis of SCA17 genotypes.
BMC medical genetics - 1 Jul 2005
Zühlke Christine, Dalski Andreas, Schwinger Eberhard, Finckh Ulrich
Abstract excerpt
BACKGROUND: Spinocerebellar ataxia type 17 (SCA17), a neurodegenerative disorder in man, is caused by an expanded polymorphic polyglutamine-encoding trinucleotide repeat in the gene for TATA-box binding protein (TBP), a main transcription factor. Observed pathogenic expansions ranged from 43-63 glutamine (Gln) codons (Gln43-63). Reduced penetrance is known for Gln43-48 alleles. In the vast majority of families...
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