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Leber’s Hereditary Optic Neuroretinopathy and the X-Chromosomal Susceptibility Factor: No Linkage to DXS7

 

作者: M.R.S. Carvalho,   B. Müller,   E. Rötzer,   T. Berninger,   G. Kommerell,   A. Blankenagel,   M.-L. Savontaus,   T. Meitinger,   B. Lorenz,  

 

期刊: Human Heredity  （Karger Available online 1992）
卷期: Volume 42, issue 5  

页码: 316-320

 

ISSN:0001-5652

 

年代: 1992

 

DOI:10.1159/000154089

 

出版商: S. Karger AG

 

关键词: Leber’s hereditary optic neuroretinopathy;LHON;X chromosome;Optic atrophy;DXS7;DXS426;OTC;Susceptibility gene;Mitochondrial disease

 

数据来源: Karger

 

摘要:

Leber’s hereditary optic neuroretinopathy (LHON) was the first human disease for which mitochondrial inheritance was demonstrated. Analysis of genealogies, however, suggests the existence of an interacting X-linked factor, and linkage to DXS7 was recently described. We tested this location in four LHON families, with DXS7 and two flanking markers, OTC and DXS426. We found recombinations with DXS7 in two families and with DXS426 in one. The two point lod scores to DXS7 were negative with all the allele frequencies for the X-linked factor tested (q = 0.5; 0.35; 0.05

 

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