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可变数目串联重复序列/胰岛素基因与Ⅰ型糖尿病的连锁关系:患病同胞对中基因共享增加。

Linkage of the VNTR/insulin-gene and type I diabetes mellitus: increased gene sharing in affected sibling pairs.

作者信息

Owerbach D, Gabbay K H

机构信息

Diabetes Research Center, Baylor College of Medicine, Houston.

出版信息

Am J Hum Genet. 1994 May;54(5):909-12.

PMID:7909987
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1918272/
Abstract

Ninety-six multiplex type I diabetic families were typed at the 5' flanking region of the insulin gene by using a PCR assay that better resolves the VNTR into multiple alleles. Affected sibling pairs shared 2, 1, and 0 VNTR alleles--identical by descent--at a frequency of .47, .45, and .08, respectively, a ratio that deviated from the expected 1:2:1 ratio (P < .001). These results confirm linkage of the chromosome 11p15.5 region with type I diabetes mellitus susceptibility.

摘要

通过使用一种能更好地将可变数目串联重复序列(VNTR)解析为多个等位基因的聚合酶链反应(PCR)检测法,对96个I型糖尿病多重家庭在胰岛素基因的5'侧翼区域进行分型。受累同胞对分别以0.47、0.45和0.08的频率共享2个、1个和0个通过遗传相同的VNTR等位基因,该比例偏离了预期的1:2:1比例(P < 0.001)。这些结果证实了11号染色体p15.5区域与I型糖尿病易感性之间的连锁关系。

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本文引用的文献

1
Susceptibility to insulin dependent diabetes mellitus maps to a 4.1 kb segment of DNA spanning the insulin gene and associated VNTR.胰岛素依赖型糖尿病的易感性定位到一段跨越胰岛素基因及相关可变数目串联重复序列的4.1 kb DNA片段。
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Localization of a type I diabetes susceptibility locus to the variable tandem repeat region flanking the insulin gene.将I型糖尿病易感基因座定位到胰岛素基因侧翼的可变串联重复序列区域。
Diabetes. 1993 Dec;42(12):1708-14. doi: 10.2337/diab.42.12.1708.
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Diabetes. 1980 Dec;29(12):1036-9. doi: 10.2337/diab.29.12.1036.
4
The highly polymorphic region near the human insulin gene is composed of simple tandemly repeating sequences.人类胰岛素基因附近的高度多态性区域由简单串联重复序列组成。
Nature. 1982 Jan 7;295(5844):31-5. doi: 10.1038/295031a0.
5
Measuring the genetic contribution of a single locus to a multilocus disease.测量单个基因座对多基因座疾病的遗传贡献。
Clin Genet. 1984 Dec;26(6):529-42. doi: 10.1111/j.1399-0004.1984.tb01100.x.
6
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Diabetologia. 1983 Apr;24(4):224-30. doi: 10.1007/BF00282704.
7
Analysis of a 1963-bp polymorphic region flanking the human insulin gene.对人胰岛素基因侧翼一个1963bp多态性区域的分析。
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