THE GENE FOR AUTOSOMAL-DOMINANT CEREBELLAR-ATAXIA WITH PIGMENTARY MACULAR DYSTROPHY MAPS TO CHROMOSOME 3P12-P21.1

被引:160
作者
BENOMAR, A
KROLS, L
STEVANIN, G
CANCEL, G
LEGUERN, E
DAVID, G
OUHABI, H
MARTIN, JJ
DURR, A
ZAIM, A
RAVISE, N
BUSQUE, C
PENET, C
VANREGEMORTER, N
WEISSENBACH, J
YAHYAOUI, M
CHKILI, T
AGID, Y
Van Broeckhoven, C
BRICE, A
机构
[1] HOP LA PITIE SALPETRIERE, INSERM, U289, PARIS, FRANCE
[2] CHU RABAT, HOP SPECIALITES, SERV NEUROL, RABAT, MOROCCO
[3] UNIV ANTWERP, BORN BUNGE FDN, DEPT MED, NEUROPATHOL LAB, ANTWERP, BELGIUM
[4] UNIV ANTWERP, BORN BUNGE FDN, DEPT BIOCHEM, NEUROGENET LAB, ANTWERP, BELGIUM
[5] UNIV BRUSSELS, CTR MED GENET, DEPT MED, BRUSSELS, BELGIUM
[6] GENETHON, F-91000 EVRY, FRANCE
关键词
D O I
10.1038/ng0595-84
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Autosomal dominant cerebellar ataxia with pigmentary macular dystrophy (ADCA type II) is a rare neurodegenerative disorder with marked anticipation. We have mapped the ADCA type II locus to chromosome 3 by linkage analysis in a genome-wide search and found no evidence for genetic heterogeneity among four families of different geographic origins. Haplotype reconstruction initially restricted the locus to the 33 cM interval flanked by D3S1300 and D3S1276 located at 3p12-p21.1. Combined multipoint analysis, using the Z(max-1) method, further reduced the candidate interval to an 8 cM region around D3S1285. Our results show that ADCA type II is a genetically homogenous disorder, independent of the heterogeneous group of type I cerebellar ataxias.
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收藏
页码:84 / 88
页数:5
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