Article
Pathogenic expansions of the SCA6 locus are associated with a common CACNA1A haplotype across the globe: founder effect or predisposing chromosome?
European journal of human genetics : EJHG - 1 Jul 2008
Craig Kate, Takiyama Yoshihisa, Soong Bing-Wen, Jardim Laura B, Saraiva-Pereira Maria Luiza, Lythgow Kieren, Morino Hiroyuki, Maruyama Hirofumi, Kawakami Hideshi, Chinnery Patrick F
Abstract excerpt
Spinocerebellar ataxia type 6 (SCA6) is a common cause of dominantly inherited ataxia due to an expansion of the CAG repeat in the CACNA1A gene. Affected individuals from the same population share a common haplotype, raising the possibility that most SCA6 cases have descended from a small number of common founders across the globe. To test this hypothesis, we carried out haplotype analysis on SCA6 families from...
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