%0期刊文章%A Ryan L. Davis %A Kishore R. Kumar %A Clare Puttick %A Christina Liang %A Kate E. Ahmad %A Fabienne edma - hildebrand %A Jin-Sung Park %A Andre E. Minoche %A Velimir Gayevskiy %A Amali C. Mallawaarachchi %A John Christodoulou %A Deborah Schofield %A Marcel E. Dinger %A Mark J. Cowley %A Carolyn M. Sue %T全基因组测序用于线粒体疾病诊断%D 2022 %R 10.1212/WNL。背景和目的线粒体疾病(MDs)是最常见的半岛投注体育官网遗传性代谢疾病。表型多样性可以使分子诊断具有挑战性,致病遗传变异可能存在于线粒体或核DNA中。一个单一的全面的基因诊断测试将非常有用,并改变该领域。我们应用全基因组测序(whole genome sequencing, WGS)对该技术的变异检出率和诊断能力进行评估,以期简化和完善MD的诊断途径。在澳大利亚悉尼的MD专科诊所就诊的成年患者如果满足临床MD (Nijmegen)标准,就被招募到研究中。对血液DNA进行WGS,然后对已知的致病MD相关变异和MD模拟物进行临床遗传分析。结果在连续招募的242名患者中,根据奈梅亨标准,62名参与者的MD分类为“确定”,108名为“可能”,72名为“可能”。无论致病遗传变异的位置如何,共鉴定出130名参与者的致病变异,总诊断率为53.7%(242人中有130人)。全面的双基因组测序可以准确地检测受影响的MD患者的致病遗传变异,简化诊断,使早期治疗成为可能,并告知遗传传播的风险。AMACR =α-methylacyl-CoA消旋酶;拷贝数变异;慢性进行性眼外肌麻痹; KSS=Kearns-Sayre syndrome; MD=mitochondrial disease; MELAS=mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes; MIDD=maternally inherited deafness and diabetes; MIM=Mendelian inheritance in man; mtDNA=mitochondrial DNA; nDNA=nuclear DNA; SNV=single nucleotide variant; SV=structural variation; VAF=variant allele frequency; VUS=variants of uncertain significance; WGS=whole-genome sequencing %U //www.ebmtp.com/content/neurology/99/7/e730.full.pdf
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