Volume 11, Issue 4 (July & August - Special Issue on Memory, Reward & Stress 2020)                   BCN 2020, 11(4): 549-556 | Back to browse issues page

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Zamani M, Seifi T, Zeighami J, Mazaheri N, Jahangirnezhad E, Gholamzadeh M, et al . Identification of the rs797045105 in the SERAC1 Gene by Whole-exome Sequencing in a Patient Suspicious of MEGDEL Syndrome. BCN 2020; 11 (4) :549-556
URL: http://bcn.iums.ac.ir/article-1-1049-en.html
1- Narges Medical Genetics and Prenatal Diagnosis Laboratory, Ahvaz, Iran.
Introduction: Whole Exome Sequencing (WES) has been increasingly utilized in genetic determinants of various inherited diseases.
Methods: We applied WES for a patient presenting 3-Methylglutaconic Aciduria (MEG), Deafness (D), Encephalopathy (E), and Leigh-like (L) syndrome. Then Sanger sequencing was used for the detected variant validation. 
Results: We found an insertion, rs797045105 (chr6, 158571484, C>CCATG), in the SERAC1 gene with homozygous genotype in the patient and heterozygous genotype in her unaffected parents. Notably, bioinformatics analysis using mutation taster (prob>0.99) and DDIGin (prob=86.51) predicted this mutation as disease-causing. Also, the variant was not present in our database, including 700 exome files.
Conclusion: These findings emphasize the pathogenicity of rs797045105 for MEGDEL syndrome. On the other hand, our data shed light on the significance of WES application as a genetic test to identify and characterize the comprehensive spectrum of genetic variation and classification for patients with neuro- metabolic disorders.
Type of Study: News and Reports | Subject: Cellular and molecular Neuroscience
Received: 2017/10/13 | Accepted: 2019/05/13 | Published: 2018/03/15

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