ClinVar Miner

Submissions for variant NM_005373.3(MPL):c.213-1G>A

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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 RCV003780945 SCV004569131 likely pathogenic Congenital amegakaryocytic thrombocytopenia; Essential thrombocythemia 2023-01-20 criteria provided, single submitter clinical testing 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. Disruption of this splice site has been observed in individual(s) with autosomal recessive congenital amegakaryocytic thrombocytopenia (PMID: 16470591). This variant is not present in population databases (gnomAD no frequency). This sequence change affects an acceptor splice site in intron 2 of the MPL 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 MPL are known to be pathogenic (PMID: 8073287, 11133753).

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