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Toward a better definition of EPCAM deletions in Lynch Syndrome: Report of new variants in Italy and the associated molecular phenotype

机译:为了更好地定义林奇综合症中的EPCAM缺失:意大利新变体及其相关分子表型的报道

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摘要

BackgroundInherited epimutations of Mismatch Repair (MMR) genes are responsible for Lynch Syndrome (LS) in a small, but well defined, subset of patients. Methylation of the MSH2 promoter consequent to the deletion of the upstream EPCAM gene is found in about 1%–3% of the LS patients and represents a classical secondary, constitutional and tissue‐specific epimutation. Several different EPCAM deletions have been reported worldwide, for the most part representing private variants caused by an Alu‐mediated recombination.
机译:背景失配修复(MMR)基因的遗传表观突变是一小部分但定义明确的患者亚群的Lynch综合征(LS)的原因。约有1%–3%的LS患者发现了上游EPCAM基因缺失导致MSH2启动子的甲基化,代表了典型的继发性,组织性和组织特异性表观突变。全世界已经报道了几种不同的EPCAM缺失,大部分代表由Alu介导的重组引起的私人变异。

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