The GARS gene is associated with autosomal dominant Charcot-Marie-Tooth disease type 2D (CMT2D) (MedGen UID: 316946) and distal hereditary motor neuropathy 5 (HMN5) (MedGen UID: 318838), collectively referred to as GARS-associated axonal neuropathies (MedGen UID: 468432).
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Invitae tests that include this gene:
Pathogenic variants in the GARS gene cause an estimated 3% of clinical cases of CMT and an unknown percentage of dHMN cases.
The gene GARS encodes the protein glycyl-tRNA synthetase. This enzyme is expressed in all cell types and functions in protein synthesis by catalyzing the addition of glycine to its cognate tRNA molecule.
Invitae is a College of American Pathologists (CAP)-accredited and Clinical Laboratory Improvement Amendments (CLIA)-certified clinical diagnostic laboratory performing full-gene sequencing and deletion/duplication analysis using next-generation sequencing technology (NGS).
Our sequence analysis covers clinically important regions of each gene, including coding exons, +/- 10 base pairs of adjacent intronic sequence, and select noncoding variants. Our assay provides a Q30 quality-adjusted mean coverage depth of 350x (50x minimum, or supplemented with additional analysis). Variants classified as pathogenic or likely pathogenic are confirmed with orthogonal methods, except individual variants that have high quality scores and previously validated in at least ten unrelated samples.
Our analysis detects most intragenic deletions and duplications at single exon resolution. However, in rare situations, single-exon copy number events may not be analyzed due to inherent sequence properties or isolated reduction in data quality. If you are requesting the detection of a specific single-exon copy number variation, please contact Client Services before placing your order.
|Gene||Transcript reference||Sequencing analysis||Deletion/Duplication analysis|