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Implementation of Exome Sequencing in Clinical Practice for Neurological Disorders
María Isabel Alvarez-Mora1,2, Laia Rodríguez-Revenga1,2, Meritxell Jodar1,3
1Biochemistry and Molecular Genetics Department, Hospital Clinic of Barcelona, IDIBAPS (Institut de Investigacions Biomèdiques August Pi I Sunyer), 08036 Barcelona, Spain.
Whole exome sequencing (WES) is a powerful tool for diagnosing neurological disorders (ND). This study evaluated WES in 209 cases, achieving a 32% diagnostic rate and highlighting its clinical utility.
Area of Science:
- Genetics
- Neurology
- Genomic Medicine
Background:
- Neurological disorders (ND) encompass a range of conditions affecting the nervous system.
- Next-generation sequencing (NGS) is recommended for diagnosing ND.
- Whole exome sequencing (WES) is the preferred NGS method for monogenic ND.
Purpose of the Study:
- To evaluate the impact and advantages of implementing WES in the clinical diagnosis and management of ND.
- To assess the diagnostic yield of WES in a cohort of patients with suspected monogenic ND.
Main Methods:
- Retrospective evaluation of 209 cases undergoing WES.
- Analysis of WES data for genetic variants.
- Discussion of variant classification and secondary findings.
Main Results:
- WES achieved a diagnostic rate of approximately 32% in patients with ND.
- Simultaneous analysis of multiple genes via WES improves diagnostic efficiency.
Conclusions:
- WES is an effective diagnostic tool for neurological disorders.
- Continuous molecular diagnosis is crucial for identifying causative variants in remaining cases.
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