ClinVar Miner

Submissions for variant NM_170707.4(LMNA):c.513G>A (p.Lys171=)

dbSNP: rs267607542
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001231297 SCV001403814 likely pathogenic Charcot-Marie-Tooth disease type 2 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. 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 the activation of a cryptic splice site in intron 2 (PMID: 14569138). ClinVar contains an entry for this variant (Variation ID: 66902). This variant has been observed in individuals with clinical features of autosomal dominant LMNA-related conditions (PMID: 14569138; Invitae). It has also been observed to segregate with disease in related individuals. This variant is not present in population databases (gnomAD no frequency). This sequence change affects codon 171 of the LMNA mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the LMNA protein. RNA analysis indicates that this variant induces altered splicing and likely results in the gain of 15 amino acid residue(s), but is expected to preserve the integrity of the reading-frame.
Epithelial Biology; Institute of Medical Biology, Singapore RCV000057412 SCV000088526 not provided not provided no assertion provided not provided

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