{"title":"沉默APC(腺瘤性大肠息肉病)基因多态性在葡萄牙人群。","authors":"B Marshall, G Isidro, M G Boavida","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>We describe a new, silent polymorphism in exon 15 of the APC gene on chromosome 5q in the Portuguese population. The polymorphism is located at codon 1442 and results in a CCT-->CCA (Pro) base transversion, with no amino acid change. Population analysis in unrelated healthy controls indicated that the polymorphism was present in 2 out of 50 individuals giving an allele frequency of 0.02 +/- 0.01. The polymorphism is the most common encountered in the Portuguese population in the mutation cluster region of exon 15, and has not been previously described in other populations.</p>","PeriodicalId":77141,"journal":{"name":"Gene geography : a computerized bulletin on human gene frequencies","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1995-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Silent APC (adenomatous polyposis coli) gene polymorphism in the Portuguese population.\",\"authors\":\"B Marshall, G Isidro, M G Boavida\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>We describe a new, silent polymorphism in exon 15 of the APC gene on chromosome 5q in the Portuguese population. The polymorphism is located at codon 1442 and results in a CCT-->CCA (Pro) base transversion, with no amino acid change. Population analysis in unrelated healthy controls indicated that the polymorphism was present in 2 out of 50 individuals giving an allele frequency of 0.02 +/- 0.01. The polymorphism is the most common encountered in the Portuguese population in the mutation cluster region of exon 15, and has not been previously described in other populations.</p>\",\"PeriodicalId\":77141,\"journal\":{\"name\":\"Gene geography : a computerized bulletin on human gene frequencies\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1995-12-01\",\"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}","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}
Silent APC (adenomatous polyposis coli) gene polymorphism in the Portuguese population.
We describe a new, silent polymorphism in exon 15 of the APC gene on chromosome 5q in the Portuguese population. The polymorphism is located at codon 1442 and results in a CCT-->CCA (Pro) base transversion, with no amino acid change. Population analysis in unrelated healthy controls indicated that the polymorphism was present in 2 out of 50 individuals giving an allele frequency of 0.02 +/- 0.01. The polymorphism is the most common encountered in the Portuguese population in the mutation cluster region of exon 15, and has not been previously described in other populations.
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