FAMILIAL PARTIAL TRISOMY-8P WITHOUT DYSMORPHIC FEATURES AND ONLY MILD MENTAL-RETARDATION

被引:32
作者
ENGELEN, JJM [1 ]
DEDIESMULDERS, CEM [1 ]
SIJSTERMANS, JMJ [1 ]
MEERS, LEC [1 ]
ALBRECHTS, JCM [1 ]
HAMERS, AJH [1 ]
机构
[1] DE WEVER HOSP,DEPT PEDIAT,HEERLEN,NETHERLANDS
关键词
D O I
10.1136/jmg.32.10.792
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
We report on a mother and her two sons who had a direct duplication of chromosome region 8p22-8p23.1 without dysmorphic features and only mild mental retardation. The patients have been studied using G banding, chromosome painting, and FISH using cosmid probes specific for the region 8p23.1-8pter. Comparison of the phenotypes of our patients and of published patients with an inversion duplication of the short arm of chromosome 8 indicates that trisomy for chromosome band 8p21 causes the more severe clinical picture in the latter.
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收藏
页码:792 / 795
页数:4
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