{"doi":"10.1016/j.gimo.2024.101886","title":"Clinical RNA sequencing clarifies variants of uncertain significance identified by prior testing","abstract":"Purpose: Sequencing-based genetic testing often identifies variants of uncertain significance (VUS) or fails to detect pathogenic variants altogether. We evaluated the utility of RNA sequencing (RNA-seq) to clarify VUS or identify missing variants in a clinical setting. Methods: Over a 2-year period, genetics providers at a single institution referred 26 cases for clinical RNA-seq. Cases had either no candidate variant identified by prior testing or a VUS suspected to impact splicing or expression. A committee reviewed each submission to ensure it met study criteria. Results: Among 26 cases, 8 could not be sequenced because of poor expression in an accessible tissue, 2 did not meet inclusion criteria, 3 were solved prior to collection, and 4 families declined participation or did not complete sample collection. For the 9 cases sequenced, the clinical laboratory reported two positive, four negative, and three \"indeterminate.\" For all three indeterminate cases, original RNA-seq data was manually evaluated and deemed explanatory. Conclusion: Clinical RNA-seq can clarify VUS, especially splice variants, but laboratory-specific interpretation guidelines may lead to indeterminate results. Identifying individuals likely to benefit from RNA-seq and providing appropriate counseling poses unique challenges.","journal":"Genetics in Medicine Open","year":2024,"id":445253,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":7,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.8025,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":252351,"name":"Jennifer N. 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