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Genomic sequencing identifies secondary findings in a cohort of parent study participants.
Genetics in Medicine ( IF 8.8 ) Pub Date : 2018-Apr-12 , DOI: 10.1038/gim.2018.53
Michelle L Thompson 1 , Candice R Finnila 1 , Kevin M Bowling 1 , Kyle B Brothers 2 , Matthew B Neu 1, 3 , Michelle D Amaral 1 , Susan M Hiatt 1 , Kelly M East 1 , David E Gray 1 , James M J Lawlor 1 , Whitley V Kelley 1 , Edward J Lose 3 , Carla A Rich 2 , Shirley Simmons 3 , Shawn E Levy 1 , Richard M Myers 1 , Gregory S Barsh 1 , E Martina Bebin 3 , Gregory M Cooper 1
Affiliation  

PurposeClinically relevant secondary variants were identified in parents enrolled with a child with developmental delay and intellectual disability.MethodsExome/genome sequencing and analysis of 789 "unaffected" parents was performed.ResultsPathogenic/likely pathogenic variants were identified in 21 genes within 25 individuals (3.2%), with 11 (1.4%) participants harboring variation in a gene defined as clinically actionable by the American College of Medical Genetics and Genomics. These 25 individuals self-reported either relevant clinical diagnoses (5); relevant family history or symptoms (13); or no relevant family history, symptoms, or clinical diagnoses (7). A limited carrier screen was performed yielding 15 variants in 48 (6.1%) parents. Parents were also analyzed as mate pairs (n = 365) to identify cases in which both parents were carriers for the same recessive disease, yielding three such cases (0.8%), two of which had children with the relevant recessive disease. Four participants had two findings (one carrier and one noncarrier variant). In total, 71 of the 789 enrolled parents (9.0%) received secondary findings.ConclusionWe provide an overview of the rates and types of clinically relevant secondary findings, which may be useful in the design and implementation of research and clinical sequencing efforts to identify such findings.Genetics in Medicine advance online publication, 12 April 2018; doi:10.1038/gim.2018.53.

中文翻译:

基因组测序确定了一组父母研究参与者的次要发现。

目的在患有发育迟缓和智力残疾的儿童的父母中鉴定出临床相关的二次变异。方法对 789 名“未受影响”的父母进行外显子组/基因组测序和分析。结果在 25 个个体中的 21 个基因中鉴定出致病/可能致病变异(3.2% ),其中 11 名 (1.4%) 参与者携带了美国医学遗传学和基因组学学院定义为临床可操作的基因变异。这 25 个人自我报告了相关的临床诊断 (5);相关家族史或症状 (13);或没有相关的家族史、症状或临床诊断 (7)。进行了有限的载体筛选,在 48 个(6.1%)父母中产生了 15 个变体。父母也被分析为配偶(n = 365),以确定父母双方都是相同隐性疾病的携带者的病例,产生了三个这样的病例(0.8%),其中两个孩子患有相关的隐性疾病。四名参与者有两个发现(一个携带者和一个非携带者变体)。总共 789 名登记的父母中有 71 名 (9.0%) 收到了次要发现。结论我们概述了临床相关次要发现的发生率和类型,这可能有助于设计和实施研究和临床测序工作以识别此类研究结果。医学遗传学提前在线出版,2018 年 4 月 12 日;doi:10.1038/gim.2018.53。四名参与者有两个发现(一个携带者和一个非携带者变体)。总共 789 名登记的父母中有 71 名 (9.0%) 收到了次要发现。结论我们概述了临床相关次要发现的发生率和类型,这可能有助于设计和实施研究和临床测序工作以识别此类研究结果。医学遗传学提前在线出版,2018 年 4 月 12 日;doi:10.1038/gim.2018.53。四名参与者有两个发现(一个携带者和一个非携带者变体)。总共 789 名登记的父母中有 71 名 (9.0%) 收到了次要发现。结论我们概述了临床相关次要发现的发生率和类型,这可能有助于设计和实施研究和临床测序工作以识别此类研究结果。医学遗传学提前在线出版,2018 年 4 月 12 日;doi:10.1038/gim.2018.53。医学遗传学提前在线出版,2018 年 4 月 12 日;doi:10.1038/gim.2018.53。医学遗传学提前在线出版,2018 年 4 月 12 日;doi:10.1038/gim.2018.53。
更新日期:2018-04-12
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