ClinVar Miner

Submissions for variant NM_000553.6(WRN):c.1720+5G>A

dbSNP: rs1813707238
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001220501 SCV001392495 likely pathogenic Werner syndrome 2022-02-21 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. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Studies have shown that this variant results in skipping of exon 14 and introduces a premature termination codon (PMID: 28795391). The resulting mRNA is expected to undergo nonsense-mediated decay. Studies have shown that this variant alters WRN gene expression (PMID: 28795391). ClinVar contains an entry for this variant (Variation ID: 949109). This variant has been observed in individual(s) with Werner syndrome (PMID: 28795391). This variant is not present in population databases (gnomAD no frequency). This sequence change falls in intron 14 of the WRN gene. It does not directly change the encoded amino acid sequence of the WRN protein. RNA analysis indicates that this variant induces altered splicing and may result in an absent or disrupted protein product.
Baylor Genetics RCV001220501 SCV004208907 likely pathogenic Werner syndrome 2022-03-05 criteria provided, single submitter clinical testing

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