ClinVar Miner

Submissions for variant NM_007289.4(MME):c.1781-2A>G

gnomAD frequency: 0.00001  dbSNP: rs765231758
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000520604 SCV000621913 pathogenic not provided 2022-04-07 criteria provided, single submitter clinical testing Reported as an autosomal recessive single heterozygous likely pathogenic variant in a proband undergoing whole exome sequencing in published literature, however the phenotype of this individual was not provided (Hou et al., 2020); Canonical splice site variant predicted to result in a null allele in a gene for which loss of function is a known mechanism of disease; Not observed at significant frequency in large population cohorts (gnomAD); This variant is associated with the following publications: (PMID: 31980526)
CeGaT Center for Human Genetics Tuebingen RCV000520604 SCV001501889 pathogenic not provided 2023-01-01 criteria provided, single submitter clinical testing MME: PVS1, PM2
Labcorp Genetics (formerly Invitae), Labcorp RCV000520604 SCV002280404 likely pathogenic not provided 2022-05-17 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals affected with MME-related conditions. This sequence change affects an acceptor splice site in intron 18 of the MME gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in MME are known to be pathogenic (PMID: 26991897). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. ClinVar contains an entry for this variant (Variation ID: 453058). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. 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.
Institute of Immunology and Genetics Kaiserslautern RCV002290970 SCV005042999 likely pathogenic Charcot-Marie-Tooth disease axonal type 2T 2024-04-16 criteria provided, single submitter clinical testing ACMG Criteria: PVS1_S, PM2, PP5; Variant was found in heterozygous state
Clinical Genetics Laboratory, University Hospital Schleswig-Holstein RCV002290970 SCV002583424 likely pathogenic Charcot-Marie-Tooth disease axonal type 2T 2022-04-05 no assertion criteria provided clinical testing

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