CHORA, J. R., M. A. IACOCCA, Lukas TICHÝ, H. WAND, C. L. KURTZ, H. ZIMMERMANN, A. LEON, M. WILLIAMS, C. L. HUMPHRIES, A. J. HOOPER, M. TRINDER, L. R. BRUNHAM, A. COSTA PEREIRA, C. E. JANNES, M. CHEN, J. CHONIS, J. WANG, S. KIM, T. JOHNSTON, Přemysl SOUČEK, Michal KRAMÁREK, S. E LEIGH., A. CARRIÉ, E. J. SIJBRANDS, R. A HEGELE., Tomáš FREIBERGER, J. W. KNOWLES and M. BOURBON. The Clinical Genome Resource (ClinGen) Familial Hypercholesterolemia Variant Curation Expert Panel consensus guidelines for LDLR variant classification. Genetics In Medicine. United States: Lippincott, Williams & Wilkins, 2022, vol. 24, No 2, p. 293-306. ISSN 1098-3600. Available from: https://dx.doi.org/10.1016/j.gim.2021.09.012.
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Basic information
Original name The Clinical Genome Resource (ClinGen) Familial Hypercholesterolemia Variant Curation Expert Panel consensus guidelines for LDLR variant classification
Authors CHORA, J. R., M. A. IACOCCA, Lukas TICHÝ (203 Czech Republic), H. WAND, C. L. KURTZ, H. ZIMMERMANN, A. LEON, M. WILLIAMS, C. L. HUMPHRIES, A. J. HOOPER, M. TRINDER, L. R. BRUNHAM, A. COSTA PEREIRA, C. E. JANNES, M. CHEN, J. CHONIS, J. WANG, S. KIM, T. JOHNSTON, Přemysl SOUČEK (203 Czech Republic, belonging to the institution), Michal KRAMÁREK (703 Slovakia, belonging to the institution), S. E LEIGH., A. CARRIÉ, E. J. SIJBRANDS, R. A HEGELE., Tomáš FREIBERGER (203 Czech Republic, belonging to the institution), J. W. KNOWLES and M. BOURBON.
Edition Genetics In Medicine, United States, Lippincott, Williams & Wilkins, 2022, 1098-3600.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30101 Human genetics
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 8.800
RIV identification code RIV/00216224:14110/22:00126147
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1016/j.gim.2021.09.012
UT WoS 000797597400004
Keywords in English ACMG/AMP; ClinGen; Familial hypercholesterolemia; LDLR; Variant classification
Tags 14110114, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Tereza Miškechová, učo 341652. Changed: 28/6/2022 09:22.
Abstract
Purpose: In 2015, the American College of Medical Genetics and Genomics (ACMG) and the Association for Molecular Pathology (AMP) published consensus standardized guidelines for sequence-level variant classification in Mendelian disorders. To increase accuracy and consistency, the Clinical Genome Resource Familial Hypercholesterolemia (FH) Variant Curation Expert Panel was tasked with optimizing the existing ACMG/AMP framework for disease-specific classification in FH. In this study, we provide consensus recommendations for the most common FH-associated gene, LDLR, where >2300 unique FH-associated variants have been identified. Methods: The multidisciplinary FH Variant Curation Expert Panel met in person and through frequent emails and conference calls to develop LDLR-specific modifications of ACMG/AMP guidelines. Through iteration, pilot testing, debate, and commentary, consensus among experts was reached. Results: The consensus LDLR variant modifications to existing ACMG/AMP guidelines include (1) alteration of population frequency thresholds, (2) delineation of loss-of-function variant types, (3) functional study criteria specifications, (4) cosegregation criteria specifications, and (5) specific use and thresholds for in silico prediction tools, among others. Conclusion: Establishment of these guidelines as the new standard in the clinical laboratory setting will result in a more evidence-based, harmonized method for LDLR variant classification worldwide, thereby improving the care of patients with FH. (C) 2021 American College of Medical Genetics and Genomics.
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