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- W3005647742 abstract "ABSTRACT Background The 2015 American College of Medical Genetics and Genomics (ACMG) and Association for Molecular Pathology (AMP) guidelines for clinical sequence variant interpretation state that “well-established” functional studies can be used as evidence in variant classification. These guidelines articulated key attributes of functional data, including that assays should reflect the biological environment and be analytically sound; however, details of how to evaluate these attributes were left to expert judgment. The Clinical Genome Resource (ClinGen) designates Variant Curation Expert Panels (VCEPs) in specific disease areas to make gene-centric specifications to the ACMG/AMP guidelines, including more specific definitions of appropriate functional assays. We set out to evaluate the existing VCEP guidelines for functional assays. Methods We evaluated the functional criteria (PS3/BS3) of six VCEPs ( CDH1 , Hearing Loss, Inherited Cardiomyopathy- MYH7, PAH, PTEN , RASopathy). We then established criteria for evaluating functional studies based on disease mechanism, general class of assay, and the characteristics of specific assay instances described in primary literature. Using these criteria, we extensively curated assay instances cited by each VCEP in their pilot variant classification to analyze VCEP recommendations and their use in the interpretation of functional studies. Results Unsurprisingly, our analysis highlighted the breadth of VCEP-approved assays, reflecting the diversity of disease mechanisms among VCEPs. We also noted substantial variability between VCEPs in the method used to select these assays and in the approach used to specify strength modifications, as well as differences in suggested validation parameters. Importantly, we observed discrepancies between the parameters VCEPs specified as required for approved assay instances and the fulfillment of these requirements in the individual assays cited in pilot variant interpretation. Conclusions Interpretation of the intricacies of functional assays often requires expert-level knowledge of the gene and disease and current VCEP recommendations for functional assay evidence are a useful tool to improve the accessibility of functional data. However, our analysis suggests that further guidance is needed to standardize this process and ensure consistency in the application of functional evidence." @default.
- W3005647742 created "2020-02-24" @default.
- W3005647742 creator A5001077963 @default.
- W3005647742 creator A5028470777 @default.
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- W3005647742 creator A5043972221 @default.
- W3005647742 creator A5044869437 @default.
- W3005647742 creator A5063212101 @default.
- W3005647742 creator A5091451203 @default.
- W3005647742 date "2019-06-28" @default.
- W3005647742 modified "2023-09-24" @default.
- W3005647742 title "Comparative analysis of functional assay evidence use by ClinGen Variant Curation Expert Panels" @default.
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