ClinVar Miner

Submissions for variant NM_000038.6(APC):c.2624dup (p.Arg876fs)

dbSNP: rs863225330
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003650454 SCV001395602 pathogenic Familial adenomatous polyposis 1 2019-05-05 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. A different truncation (p.Tyr2645Lysfs*14) that lies downstream of this variant has been determined to be pathogenic (PMID: 9824584, 1316610, 27081525, 8381579, 22135120, Invitae). This suggests that deletion of this region of the APC protein is causative of disease. This variant has not been reported in the literature in individuals with APC-related conditions. ClinVar contains an entry for this variant (Variation ID: 217951). This variant is not present in population databases (ExAC no frequency). This sequence change results in a premature translational stop signal in the APC gene (p.Arg876Alafs*36). While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 1968 amino acids of the APC protein. This variant is expected to disrupt the EB1 and HDLG binding sites, which mediate interactions with the cytoskeleton (PMID: 15311282, 17293347). While functional studies have not been performed to directly test the effect on APC protein function, this suggests that disruption of the C-terminal portion of the protein is functionally important.
Mayo Clinic Laboratories, Mayo Clinic RCV000202233 SCV000256951 likely pathogenic not provided no assertion criteria provided research
GenomeConnect, ClinGen RCV000202233 SCV001423411 not provided not provided no assertion provided phenotyping only Variant interpretted as Likely pathogenic and reported on 04-21-2016 by Lab or GTR ID 500068. GenomeConnect assertions are reported exactly as they appear on the patient-provided report from the testing laboratory. GenomeConnect staff make no attempt to reinterpret the clinical significance of the variant.

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