ClinVar Miner

Submissions for variant NM_001105206.3(LAMA4):c.4134-1G>A

gnomAD frequency: 0.00002  dbSNP: rs886039116
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000243049 SCV000320134 uncertain significance Cardiovascular phenotype 2021-08-18 criteria provided, single submitter clinical testing The c.4113-1G>A intronic variant results from a G to A substitution one nucleotide upstream from coding exon 30 of the LAMA4 gene. This nucleotide position is highly conserved in available vertebrate species. In silico splice site analysis predicts that this alteration will weaken the native splice acceptor site and will result in the creation or strengthening of a novel splice acceptor site. Alterations that disrupt the canonical splice site are expected to cause aberrant splicing, resulting in an abnormal protein or a transcript that is subject to nonsense-mediated mRNA decay. However, loss of function of LAMA4 has not been clearly established as a mechanism of disease. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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