Whole Exome Sequencing as a Diagnostic Tool for Unidentified Muscular Dystrophy in a Vietnamese Family.

التفاصيل البيبلوغرافية
العنوان: Whole Exome Sequencing as a Diagnostic Tool for Unidentified Muscular Dystrophy in a Vietnamese Family.
المؤلفون: Nguyen NL; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet str., Cau Giay, Hanoi 100000, Vietnam.; Institute of Genome Research, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet str., Cau Giay, Hanoi 100000, Vietnam., Ngoc CTB; Center for Rare Diseases and Newborn Screening, Department of Endocrinology, Metabolism and Genetics, Vietnam National Children's Hospital, 18/879 La Thanh str., Dong Da, Hanoi 100000, Vietnam., Vu CD; Center for Rare Diseases and Newborn Screening, Department of Endocrinology, Metabolism and Genetics, Vietnam National Children's Hospital, 18/879 La Thanh str., Dong Da, Hanoi 100000, Vietnam., Nguyen TTH; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet str., Cau Giay, Hanoi 100000, Vietnam., Nguyen HH; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet str., Cau Giay, Hanoi 100000, Vietnam.; Institute of Genome Research, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet str., Cau Giay, Hanoi 100000, Vietnam.
المصدر: Diagnostics (Basel, Switzerland) [Diagnostics (Basel)] 2020 Sep 24; Vol. 10 (10). Date of Electronic Publication: 2020 Sep 24.
نوع المنشور: Case Reports
اللغة: English
بيانات الدورية: Publisher: MDPI AG Country of Publication: Switzerland NLM ID: 101658402 Publication Model: Electronic Cited Medium: Print ISSN: 2075-4418 (Print) Linking ISSN: 20754418 NLM ISO Abbreviation: Diagnostics (Basel) Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI AG, [2011]-
مستخلص: Muscular dystrophies are a group of heterogeneous clinical and genetic disorders. Two siblings presented with characteristics like muscular dystrophy, abnormal white matter, and elevated serum creatine kinase level. The high throughput of whole exome sequencing (WES) makes it an efficient tool for obtaining a precise diagnosis without the need for immunohistochemistry. WES was performed in the two siblings and their parents, followed by prioritization of variants and validation by Sanger sequencing. Very rare variants with moderate to high predicted impact in genes associated with neuromuscular disorders were selected. We identified two pathogenic missense variants, c.778C>T (p.H260Y) and c.2987G>A (p.C996Y), in the LAMA2 gene (NM_000426.3), in the homozygous state in two siblings, and in the heterozygous state in their unaffected parents, which were confirmed by Sanger sequencing. Variant c.2987G>A has not been reported previously. These variants may lead to a change in the structure and function of laminin-α2, a member of the family of laminin-211, which is an extracellular matrix protein that functions to stabilize the basement membrane of muscle fibers during contractions. Overall, WES enabled an accurate diagnosis of both patients with LAMA2 -related muscular dystrophy and expanded the spectrum of missense variants in LAMA2 .
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معلومات مُعتمدة: GUST.STS.ĐT2017-SH02 Graduate University of Science and Technology, Vietnam Academic of Science and Technology
فهرسة مساهمة: Keywords: A; LAMA2 variants; LAMA2-related muscular dystrophy; T; Vietnamese; WES; c.2987G> c.778C>
تواريخ الأحداث: Date Created: 20200929 Latest Revision: 20201031
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC7598670
DOI: 10.3390/diagnostics10100741
PMID: 32987775
قاعدة البيانات: MEDLINE
الوصف
تدمد:2075-4418
DOI:10.3390/diagnostics10100741