Associated disorders

The MYBPC3 gene is associated with autosomal dominant hypertrophic cardiomyopathy (HCM) (MedGen UID: 350526), dilated cardiomyopathy (DCM) (MedGen UID: 2880), and left ventricular noncompaction cardiomyopathy (LVNC) (MedGen UID: 349005).

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MYBPC3: Analysis includes the intronic variant NM_000256.3:c.3628-41_3628-17del25.

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Invitae tests that include this gene:

Pathogenic MYBPC3 variants are associated with 25% of clinical cases of HCM, <1% of DCM cases, and an unknown proportion of cases of LVNC.

The MYBPC3 gene encodes the protein myosin-binding protein C, cardiac-type. This protein is part of the sarcomere complex, which is present in both cardiac and skeletal muscle cells. The primary role of the sarcomere complex is muscle contraction. Pathogenic variants in genes that encode sarcomere proteins are a common cause of inherited cardiomyopathies.

Assay and technical information

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
MYBPC3* NM_000256.3

*MYBPC3: Analysis includes the intronic variant NM_000256.3:c.3628-41_3628-17del25.