Gene for Apparently Nonsyndromic X-Linked Mental Retardation (mrx32) Maps to an 18-Mb Region of Xp21.2-P22
AMERICAN JOURNAL OF MEDICAL GENETICS(1999)
摘要
We studied a family with 11 males having X-linked mental retardation (XLMR) using microsatellite markers. Aside from the mental retardation, the affected males do not appear to differ from their unaffected brothers or uncles. The gene for this XLMR condition has been linked to DXS451 in Xp22.13 with a lod score of 5.18 at straight theta = 0. Recombination was detected at DXS992 (Xp21.3) and DXS1053 (Xp22.2), thereby defining the limits of the localization. This family is considered to have nonsyndromic XLMR and has been assigned the designation MRX32.
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关键词
XLMR,MRX32,Xp22.13,linkage
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