E Arroyo, F Garcia-Sanchez, J M Ruiz de la Cuesta, J L Vicario
{"title":"Microheterogeneity and AMP-FLP analysis of the 3' flanking interleukin-6 VNTR polymorphism in central Spain.","authors":"E Arroyo, F Garcia-Sanchez, J M Ruiz de la Cuesta, J L Vicario","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The 3' flanking region of the interleukin-6 gene is polymorphic due to the existence of a hyper-variable region consisting of a number of A + T rich variable repeated DNA sequences (VNTR). We used specific primers to amplify this particular VNTR system by PCR in 222 unrelated normal Spaniards from Madrid, Spain. A model of inheritance comprising of five different allele classes was proposed and frequencies evaluated as follows: B4, 0.635; B3.1, 0.029; B3, 0.270; B2, 0.038; B1, 0.027. Also, examples of inheritance of mendelian microheterogeneity are shown. Heterozigosity index was calculated (H = 0.5) and no departure from Hardy-Weinberg equilibrium was observed (chi 2 = 0.091, d. f. 1, p > 0.75).</p>","PeriodicalId":77141,"journal":{"name":"Gene geography : a computerized bulletin on human gene frequencies","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1997-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Gene geography : a computerized bulletin on human gene frequencies","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The 3' flanking region of the interleukin-6 gene is polymorphic due to the existence of a hyper-variable region consisting of a number of A + T rich variable repeated DNA sequences (VNTR). We used specific primers to amplify this particular VNTR system by PCR in 222 unrelated normal Spaniards from Madrid, Spain. A model of inheritance comprising of five different allele classes was proposed and frequencies evaluated as follows: B4, 0.635; B3.1, 0.029; B3, 0.270; B2, 0.038; B1, 0.027. Also, examples of inheritance of mendelian microheterogeneity are shown. Heterozigosity index was calculated (H = 0.5) and no departure from Hardy-Weinberg equilibrium was observed (chi 2 = 0.091, d. f. 1, p > 0.75).
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