Total submissions: 5
| Submitter | RCV | SCV | Clinical significance | Condition | Last evaluated | Review status | Method | Comment |
|---|---|---|---|---|---|---|---|---|
| Ambry Genetics | RCV000129621 | SCV000184414 | uncertain significance | Hereditary cancer-predisposing syndrome | 2021-08-09 | criteria provided, single submitter | clinical testing | The p.L1509V variant (also known as c.4525C>G), located in coding exon 15 of the APC gene, results from a C to G substitution at nucleotide position 4525. The leucine at codon 1509 is replaced by valine, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, in silico predictors for this gene do not accurately predict pathogenicity. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. |
| Color Diagnostics, |
RCV000129621 | SCV000905986 | uncertain significance | Hereditary cancer-predisposing syndrome | 2023-12-04 | criteria provided, single submitter | clinical testing | This missense variant replaces leucine with valine at codon 1509 of the APC protein. Computational prediction suggests that this variant may have deleterious impact on protein structure and function (internally defined REVEL score threshold >= 0.7, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with APC-related disorders in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. |
| Labcorp Genetics |
RCV002514721 | SCV000954670 | uncertain significance | Familial adenomatous polyposis 1 | 2022-01-07 | criteria provided, single submitter | clinical testing | Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive. This sequence change replaces leucine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 1509 of the APC protein (p.Leu1509Val). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with APC-related conditions. ClinVar contains an entry for this variant (Variation ID: 141216). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. |
| Gene |
RCV001786335 | SCV002028744 | uncertain significance | not provided | 2021-05-24 | criteria provided, single submitter | clinical testing | Not observed in large population cohorts (Lek 2016); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge |
| Baylor Genetics | RCV002514721 | SCV004206538 | uncertain significance | Familial adenomatous polyposis 1 | 2023-05-05 | criteria provided, single submitter | clinical testing |