IDENTIFICATION AND PARTIAL CHARACTERIZATION OF A CANDIDATE GENE FOR X-LINKED RETINOPATHIES USING A LATERAL APPROACH

被引:6
作者
WONG, P [1 ]
MACDONALD, IM [1 ]
SOOD, R [1 ]
SMITH, C [1 ]
PILON, R [1 ]
TENNISWOOD, M [1 ]
机构
[1] UNIV OTTAWA,DEPT OPHTHALMOL,OTTAWA K1H 8M5,ONTARIO,CANADA
关键词
D O I
10.1006/geno.1993.1096
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Using library to library cross-screening we have identified a number of genomic clones that harbor X-linked sequences expressed in the human choroid/retina. We describe the characterization of one of these, designated XEH.8 (DXS542), which is localized to Xp11.3-q12. Isolation, partial sequencing, and Northern analysis of the cognate cDNA (XEH.8c), has shown that the cDNA has some homology to the dystrophin gene and hybridizes to a 10-kb mRNA present in the choroid and retina but not in fibroblasts. This expressed sequence maps to the same region of the X chromosome as several known X-linked ophthalmic diseases, including Norrie disease, retinitis pigmentosa 2, congenital night blindness and Aland Island eye disease. © 1993 Academic Press. All rights reserved.
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收藏
页码:467 / 471
页数:5
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