ClinVar Miner

Submissions for variant NC_000001.10:g.(?_12052592)_(12057498_?)dup

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000654035 SCV000775925 likely pathogenic Charcot-Marie-Tooth disease type 2 2022-04-02 criteria provided, single submitter clinical testing This variant results in a copy number gain of the genomic region encompassing exon(s) 4-6 of the MFN2 gene. While the exact position of this variant cannot be determined from the data, sub-genic copy number gains are generally in tandem (PMID: 25640679). This variant is predicted to be out-of-frame, and may result in an absent or disrupted protein product. Loss-of-function variants in MFN2 are known to be pathogenic (PMID: 16714318, 21715711, 26955893). This variant has not been observed in the literature in individuals with autosomal recessive MFN2-related conditions. This variant has been reported in individual(s) with autosomal dominant Charcot-Marie-Tooth disease (PMID: 33415332); however, the role of the variant in this condition is currently unclear. In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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