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    10–21 calendar days (14 days on average)
  • Preferred specimen:
    3mL whole blood in a purple-top tube
  • Alternate specimens:
    DNA or saliva/assisted saliva
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TRDN

Alias

CPVT5; TDN; TRISK

Associated disorders

The TRDN gene is associated with autosomal recessive long QT syndrome (LQTS) (PMID: 25922419) and catecholaminergic polymorphic ventricular tachycardia (CPVT) (MedGen UID: 351513).

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TRDN

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Invitae tests that include this gene:

Pathogenic TRDN variants are associated with an unknown percentage of clinical cases of LQTS and CPVT.

The TRDN gene encodes triadin, an integral membrane protein of the sarcoplasmic reticulum, which is expressed in cardiac and skeletal muscle. Triadin has multiple isoforms, some of which are involved in muscle excitation-contraction coupling, while others have an unknown function.

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 in the transcript listed below. In addition, analysis covers the select non-coding variants specifically defined in the table below. Any variants that fall outside these regions are not analyzed. Any specific limitations in the analysis of these genes are also listed in the table below.

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
TRDN NM_006073.3