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Localization of two X-linked mental retardation (XLMR) genes to Xp: MRX37 gene at Xp22.31-p22.32 and a putative MRX gene on Xp22.11-p22.2

✍ Scribed by Bar-David, Shirly ;Lerer, Israela ;Sarfaty, Chava Kimchi ;Kohan, Zully Gelman ;Meiner, Vardiella ;Zlotogora, Joel ;Abeliovich, Dvorah


Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
527 KB
Volume
64
Category
Article
ISSN
0148-7299

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✦ Synopsis


MRX genes of 2 families with X-linked mental retardation (XLMR) were localized by linkage analysis. In family A, the gene was mapped to Xp22.31-p22.32, with significant LOD scores to various Xp22 markers within a distance of 6 Mb between DXS1223 and DXS1224. The MRX gene of this family was designated MRX37. In a mentally retarded female who is a carrier of the MRX37 gene, a random pattern of X inactivation was demonstrated. In family B, a positive LOD score, although not significant (<+2), was found with the marker DXS1202 at Xp22.11-p22.2.


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