Frydman M, Bonné-Tamir B, Farrer L A, Conneally P M, Magazanik A, Ashbel S, Goldwitch Z
Proc Natl Acad Sci U S A. 1985 Mar;82(6):1819-21. doi: 10.1073/pnas.82.6.1819.
Wilson disease (WD) is an autosomal recessively inherited disorder of copper metabolism for which the basic defect is still unknown. Twenty-seven autosomal markers were investigated for linkage in a large inbred kindred with affected individuals in two generations. Also, serum copper and ceruloplasmin were measured on all available members. Close linkage (theta = 0.06) with a logarithm of odds (lod) score of 3.21 was found between the gene for WD and the esterase D locus. Efficient detection of linkage was made possible by the use of a multisibship inbred pedigree. The discovery of a polymorphic marker genetically linked to the WD locus has profound implications both for investigation of the primary gene defect and for clinical services.
威尔逊病(WD)是一种常染色体隐性遗传的铜代谢紊乱疾病,其根本缺陷尚不清楚。在一个有两代受影响个体的大型近交家系中,研究了27个常染色体标记的连锁情况。此外,还对所有可检测的成员测量了血清铜和铜蓝蛋白。发现WD基因与酯酶D位点之间存在紧密连锁(θ = 0.06),对数优势(lod)分数为3.21。通过使用多同胞近交系谱,实现了连锁的有效检测。发现与WD位点遗传连锁的多态性标记,对原发性基因缺陷的研究和临床服务都具有深远意义。