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Targeted next-generation sequencing as a comprehensive test for Mendelian diseases: a cohort diagnostic study.


ABSTRACT: With the development of next generation sequencing, more and more common inherited diseases have been reported. However, accurate and convenient molecular diagnosis cannot be achieved easily because of the enormous size of disease causing mutations. In this study, we introduced a new single-step method for the genetic analysis of patients and carriers in real clinical settings. All kinds of disease causing mutations can be detected at the same time in patients with Mendelian diseases or carriers. First, we evaluated this technology using YH cell line DNA and 9 samples with known mutations. Accuracy and stability of 99.80% and 99.58% were achieved respectively. Then, a total of 303 patients were tested using our targeted NGS approaches, 50.17% of which were found to have deleterious mutations and molecular confirmation of the clinical diagnosis. We identified 219 disease causing mutations, 43.84% (96/219) of which has never been reported before. Additionally, we developed a new deleteriousness prediction method for nonsynonymous SNVs, and an automating annotation and diagnosis system for Mendelian diseases, thus greatly assisting and enhancing Mendelian diseases diagnosis and helping to make a precise diagnosis for patients with Mendelian diseases.

SUBMITTER: Sun Y 

PROVIDER: S-EPMC6076228 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Targeted next-generation sequencing as a comprehensive test for Mendelian diseases: a cohort diagnostic study.

Sun Yan Y   Man Jianfen J   Wan Yang Y   Pan Gao G   Du Lique L   Li Long L   Yang Yun Y   Qiu Liru L   Gao Qing Q   Dan Handong H   Mao Liangwei L   Cheng Zhengyu Z   Fan Chen C   Yu Jing J   Lin Mufei M   Kristiansen Karsten K   Shen Yin Y   Wei Xiaoming X  

Scientific reports 20180803 1


With the development of next generation sequencing, more and more common inherited diseases have been reported. However, accurate and convenient molecular diagnosis cannot be achieved easily because of the enormous size of disease causing mutations. In this study, we introduced a new single-step method for the genetic analysis of patients and carriers in real clinical settings. All kinds of disease causing mutations can be detected at the same time in patients with Mendelian diseases or carriers  ...[more]

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