• Turnaround time:
    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
  • Sample requirements
  • Request a sample kit

Associated disorders

The AIFM1 gene is associated with X-linked Charcot-Marie-Tooth disease type 4 (CMTX4), also known as Chowchock syndrome (MedGen UID: 162891) and X-linked combined oxidative phosphorylation deficiency 6 (COXPD6) (OMIM: 300816).

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Invitae tests that include this gene:

AIFM1 is a rare cause of CMT4, and the percentage of cases attributed to pathogenic variants identified in AIFM1 is unknown.

The AIFM1 gene encodes the apoptosis inducing factor mitochondrion-associated-1 protein. This protein is a FAD-dependant oxidoreductase that mediates oxidative phosphorylation. It also plays a role in apoptosis through a caspase-independent cell-death pathway.

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
AIFM1 NM_004208.3