ClinVar Miner

Submissions for variant NM_000038.6(APC):c.4090dup (p.Ser1364fs)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV002323235 SCV002628328 pathogenic Hereditary cancer-predisposing syndrome 2022-08-16 criteria provided, single submitter clinical testing The c.4090dupA pathogenic mutation, located in coding exon 15 of the APC gene, results from a duplication of A at nucleotide position 4090, causing a translational frameshift with a predicted alternate stop codon (p.S1364Kfs*11). This alteration has been observed in at least one individual with a personal and/or family history that is consistent with APC-related disease (Ambry internal data). This variant is considered to be rare based on population cohorts in the Genome Aggregation Database (gnomAD). This alteration occurs at the 3' terminus of theAPC gene, is not expected to trigger nonsense-mediated mRNA decay, and only impacts the last 1480 amino acids of the protein. However, premature stop codons are typically deleterious in nature and a significant portion of the protein is affected (Ambry internal data). Based on the supporting evidence, this alteration is interpreted as a disease-causing mutation.
Myriad Genetics, Inc. RCV004565278 SCV004045059 pathogenic Familial adenomatous polyposis 1 2023-05-10 criteria provided, single submitter clinical testing This variant is considered pathogenic. This variant creates a frameshift predicted to result in premature protein truncation.

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