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Alieva A, Di Costanzo A, Gazzotti M, Reutova O, Usova E, Bakaleiko V, Arca M, D'Erasmo L, Pellegatta F, Galimberti F, Olmastroni E, Catapano AL, Casula M. Genetic heterogeneity of familial hypercholesterolaemia in two populations from two different countries. Eur J Intern Med 2024; 123:65-71. [PMID: 38245461 DOI: 10.1016/j.ejim.2024.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 01/22/2024]
Abstract
BACKGROUND Familial hypercholesterolemia (FH) is a genetically determined monogenic disorder of predominantly autosomal dominant inheritance. A number of studies on differences in the genetic profile of patients with FH have demonstrated the importance of a more substantive evaluation of genetic features. The aim of this study was to evaluate the genetic profile of patients with clinical FH among Italian and Russian patients. METHODS We included 144 Italian and 79 Russian FH patients; clinical diagnosis was based on the same criteria. Patients were divided in: positive to genetic test (one causative variant), inconclusive (only variants of uncertain clinical significance [VUS]), and negative (with likely benign/benign variants, heterozygous variants in LDLRAP1 gene, or without causative variants). RESULTS The genetic test was positive in 76.4 % of the Italian patients and in 49.4 % of the Russian patients. The presence of VUS alone was detected in 7.6 % and in 19.0 % (p < 0.001), respectively. Among patients with positive genetic diagnosis, pre-treatment LDL-C levels were higher in the Russian cohort (353.5 ± 111.3 vs. 302.7 ± 52.1 mg/dL, p = 0.009), as well as the percentage of treated patients (53.8 % vs. 14.5 %, p < 0.001) and the prevalence of premature coronary heart disease (12.8 % vs. 3.6 %, p = 0.039). Among patients carrying only VUS, mean pre-treatment LDL-C levels were similar between the cohorts (299.5 ± 68.1 vs. 295.3 ± 46.8 mg/dL, p = 0.863). Among pathogenic/likely pathogenic variants and VUS, only 5 % and 4 % was shared between the two cohorts, respectively. CONCLUSION The genetic background of patients clinically diagnosed with FH in two different countries is characterized by high variability.
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Affiliation(s)
- Asiiat Alieva
- Almazov National Medical Research Centre, Saint Petersburg, Russia.
| | - Alessia Di Costanzo
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Olga Reutova
- Almazov National Medical Research Centre, Saint Petersburg, Russia
| | - Elena Usova
- Almazov National Medical Research Centre, Saint Petersburg, Russia
| | | | - Marcello Arca
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Laura D'Erasmo
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | | | | | - Elena Olmastroni
- IRCCS MultiMedica, Sesto San Giovanni, Milan, Italy; Epidemiology and Preventive Pharmacology Service (SEFAP), Department of Pharmacological and Biomolecular Sciences (DisFeB), University of Milan, Milan, Italy
| | - Alberico L Catapano
- IRCCS MultiMedica, Sesto San Giovanni, Milan, Italy; Epidemiology and Preventive Pharmacology Service (SEFAP), Department of Pharmacological and Biomolecular Sciences (DisFeB), University of Milan, Milan, Italy
| | - Manuela Casula
- IRCCS MultiMedica, Sesto San Giovanni, Milan, Italy; Epidemiology and Preventive Pharmacology Service (SEFAP), Department of Pharmacological and Biomolecular Sciences (DisFeB), University of Milan, Milan, Italy
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2
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Watts GF, Gidding SS, Hegele RA, Raal FJ, Sturm AC, Jones LK, Sarkies MN, Al-Rasadi K, Blom DJ, Daccord M, de Ferranti SD, Folco E, Libby P, Mata P, Nawawi HM, Ramaswami U, Ray KK, Stefanutti C, Yamashita S, Pang J, Thompson GR, Santos RD. International Atherosclerosis Society guidance for implementing best practice in the care of familial hypercholesterolaemia. Nat Rev Cardiol 2023; 20:845-869. [PMID: 37322181 DOI: 10.1038/s41569-023-00892-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/12/2023] [Indexed: 06/17/2023]
Abstract
This contemporary, international, evidence-informed guidance aims to achieve the greatest good for the greatest number of people with familial hypercholesterolaemia (FH) across different countries. FH, a family of monogenic defects in the hepatic LDL clearance pathway, is a preventable cause of premature coronary artery disease and death. Worldwide, 35 million people have FH, but most remain undiagnosed or undertreated. Current FH care is guided by a useful and diverse group of evidence-based guidelines, with some primarily directed at cholesterol management and some that are country-specific. However, none of these guidelines provides a comprehensive overview of FH care that includes both the lifelong components of clinical practice and strategies for implementation. Therefore, a group of international experts systematically developed this guidance to compile clinical strategies from existing evidence-based guidelines for the detection (screening, diagnosis, genetic testing and counselling) and management (risk stratification, treatment of adults or children with heterozygous or homozygous FH, therapy during pregnancy and use of apheresis) of patients with FH, update evidence-informed clinical recommendations, and develop and integrate consensus-based implementation strategies at the patient, provider and health-care system levels, with the aim of maximizing the potential benefit for at-risk patients and their families worldwide.
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Affiliation(s)
- Gerald F Watts
- School of Medicine, University of Western Australia, Perth, WA, Australia.
- Departments of Cardiology and Internal Medicine, Royal Perth Hospital, Perth, WA, Australia.
| | | | - Robert A Hegele
- Department of Medicine and Robarts Research Institute, Schulich School of Medicine, Western University, London, ON, Canada
| | - Frederick J Raal
- Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Amy C Sturm
- Department of Genomic Health, Geisinger, Danville, PA, USA
- 23andMe, Sunnyvale, CA, USA
| | - Laney K Jones
- Department of Genomic Health, Geisinger, Danville, PA, USA
| | - Mitchell N Sarkies
- School of Health Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Khalid Al-Rasadi
- Medical Research Centre, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman
| | - Dirk J Blom
- Division of Lipidology and Cape Heart Institute, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | | | | | | | - Peter Libby
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Pedro Mata
- Fundación Hipercolesterolemia Familiar, Madrid, Spain
| | - Hapizah M Nawawi
- Institute of Pathology, Laboratory and Forensic Medicine (I-PPerForM) and Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh, Selangor, Malaysia
- Specialist Lipid and Coronary Risk Prevention Clinics, Hospital Al-Sultan Abdullah (HASA) and Clinical Training Centre, Puncak Alam and Sungai Buloh Campuses, Universiti Teknologi MARA, Sungai Buloh, Selangor, Malaysia
| | - Uma Ramaswami
- Royal Free London NHS Foundation Trust, University College London, London, UK
| | - Kausik K Ray
- Imperial Centre for Cardiovascular Disease Prevention, Imperial College London, London, UK
| | - Claudia Stefanutti
- Department of Molecular Medicine, Extracorporeal Therapeutic Techniques Unit, Lipid Clinic and Atherosclerosis Prevention Centre, Regional Centre for Rare Diseases, Immunohematology and Transfusion Medicine, Umberto I Hospital, 'Sapienza' University of Rome, Rome, Italy
| | - Shizuya Yamashita
- Department of Cardiology, Rinku General Medical Center, Osaka, Japan
| | - Jing Pang
- School of Medicine, University of Western Australia, Perth, WA, Australia
| | | | - Raul D Santos
- Lipid Clinic, Heart Institute (InCor), University of São Paulo, São Paulo, Brazil
- Hospital Israelita Albert Einstein, São Paulo, Brazil
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3
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Constantin AT, Streata I, Covăcescu MS, Riza AL, Roșca I, Delia C, Tudor LM, Dorobanțu Ș, Dragoș A, Ristea D, Ioana M, Gherghina I. Genetic Testing for Familial Hypercholesterolemia in a Pediatric Group: A Romanian Showcase. Diagnostics (Basel) 2023; 13:1988. [PMID: 37370883 DOI: 10.3390/diagnostics13121988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 05/29/2023] [Accepted: 06/04/2023] [Indexed: 06/29/2023] Open
Abstract
Familial hypercholesterolemia (FH) is a genetic disease marked by high levels of LDL-cholesterol. This condition has long-term clinical implications, such as cardiovascular events, that are evident during adult life. Here, we report on a single-center cross-sectional showcase study of genetic testing for FH in a Romanian pediatric group. Genetic testing for FH was performed on 20 Romanian pediatric patients, 10 boys and 10 girls, admitted with LDL-cholesterol levels over 130 mg/mL to the National Institute for Mother and Child Health "Alesssandrescu-Rusescu" in 2020. Genetic testing was performed using the Illumina TruSight Cardio panel. We identified pathogenic/likely pathogenic variants that could explain the phenotype in 5/20 cases. The involved genes were LDLR and APOB. Clinical signs that suggest the diagnosis of FH are scarce for the pediatric patient, although it can be diagnosed early during childhood by lipid panel screening. Prevention could prove lifesaving for some of these patients.
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Affiliation(s)
- Andreea Teodora Constantin
- Pediatrics Department, National Institute for Mother and Child Health "Alessandrescu-Rusescu", 020395 Bucharest, Romania
- Pediatrics Department, Faculty of Medicine, University of Medicine and Pharmacy "Carol Davila", 020021 Bucharest, Romania
| | - Ioana Streata
- Genetics Department, University of Medicine and Pharmacy, 200349 Craiova, Romania
- Regional Center for Medical Genetics Dolj, 200642 Craiova, Romania
| | - Mirela Silvia Covăcescu
- Pediatrics Department, National Institute for Mother and Child Health "Alessandrescu-Rusescu", 020395 Bucharest, Romania
- Pediatrics Department, Faculty of Medicine, University of Medicine and Pharmacy "Carol Davila", 020021 Bucharest, Romania
| | - Anca Lelia Riza
- Genetics Department, University of Medicine and Pharmacy, 200349 Craiova, Romania
- Regional Center for Medical Genetics Dolj, 200642 Craiova, Romania
| | - Ioana Roșca
- Faculty of Midwifery and Nursery, University of Medicine and Pharmacy "Carol Davila", 020021 Bucharest, Romania
- Neonatology Department, Clinical Hospital of Obstetrics and Gynecology "Prof. Dr. P.Sârbu", 060251 Bucharest, Romania
| | - Corina Delia
- Pediatrics Department, National Institute for Mother and Child Health "Alessandrescu-Rusescu", 020395 Bucharest, Romania
- Faculty of Biology, University of Bucharest, 030018 Bucharest, Romania
| | - Lucia Maria Tudor
- Pediatrics Department, National Institute for Mother and Child Health "Alessandrescu-Rusescu", 020395 Bucharest, Romania
- Pediatrics Department, Faculty of Medicine, University of Medicine and Pharmacy "Carol Davila", 020021 Bucharest, Romania
| | - Ștefania Dorobanțu
- Genetics Department, University of Medicine and Pharmacy, 200349 Craiova, Romania
- Regional Center for Medical Genetics Dolj, 200642 Craiova, Romania
| | - Adina Dragoș
- Genetics Department, University of Medicine and Pharmacy, 200349 Craiova, Romania
- Regional Center for Medical Genetics Dolj, 200642 Craiova, Romania
| | - Diana Ristea
- Regional Center for Medical Genetics Dolj, 200642 Craiova, Romania
| | - Mihai Ioana
- Genetics Department, University of Medicine and Pharmacy, 200349 Craiova, Romania
- Regional Center for Medical Genetics Dolj, 200642 Craiova, Romania
| | - Ioan Gherghina
- Pediatrics Department, Faculty of Medicine, University of Medicine and Pharmacy "Carol Davila", 020021 Bucharest, Romania
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Heshmatzad K, Naderi N, Maleki M, Abbasi S, Ghasemi S, Ashrafi N, Fazelifar AF, Mahdavi M, Kalayinia S. Role of non-coding variants in cardiovascular disease. J Cell Mol Med 2023; 27:1621-1636. [PMID: 37183561 PMCID: PMC10273088 DOI: 10.1111/jcmm.17762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 03/29/2023] [Accepted: 04/25/2023] [Indexed: 05/16/2023] Open
Abstract
Cardiovascular diseases (CVDs) constitute one of the significant causes of death worldwide. Different pathological states are linked to CVDs, which despite interventions and treatments, still have poor prognoses. The genetic component, as a beneficial tool in the risk stratification of CVD development, plays a role in the pathogenesis of this group of diseases. The emergence of genome-wide association studies (GWAS) have led to the identification of non-coding parts associated with cardiovascular traits and disorders. Variants located in functional non-coding regions, including promoters/enhancers, introns, miRNAs and 5'/3' UTRs, account for 90% of all identified single-nucleotide polymorphisms associated with CVDs. Here, for the first time, we conducted a comprehensive review on the reported non-coding variants for different CVDs, including hypercholesterolemia, cardiomyopathies, congenital heart diseases, thoracic aortic aneurysms/dissections and coronary artery diseases. Additionally, we present the most commonly reported genes involved in each CVD. In total, 1469 non-coding variants constitute most reports on familial hypercholesterolemia, hypertrophic cardiomyopathy and dilated cardiomyopathy. The application and identification of non-coding variants are beneficial for the genetic diagnosis and better therapeutic management of CVDs.
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Affiliation(s)
- Katayoun Heshmatzad
- Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
| | - Niloofar Naderi
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
| | - Majid Maleki
- Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
| | - Shiva Abbasi
- Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
| | - Serwa Ghasemi
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
| | - Nooshin Ashrafi
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
| | - Amir Farjam Fazelifar
- Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
| | - Mohammad Mahdavi
- Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
| | - Samira Kalayinia
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran
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5
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Bassani Borges J, Fernandes Oliveira V, Dagli-Hernandez C, Monteiro Ferreira G, Kristini Almendros Afonso Barbosa T, da Silva Rodrigues Marçal E, Los B, Barbosa Malaquias V, Hernandes Bortolin R, Caroline Costa Freitas R, Akira Mori A, Medeiros Bastos G, Marques Gonçalves R, Branco Araújo D, Zatz H, Bertolami A, Arpad Faludi A, Chiara Bertolami M, Guerra de Moraes Rego Souza A, Ítalo Dias França J, Strelow Thurow H, Dominguez Crespo Hirata T, Takashi Imoto Nakaya H, Elim Jannes C, da Costa Pereira A, Nogueira Silbiger V, Ducati Luchessi A, Nayara Góes Araújo J, Arruda Nakazone M, Silva Carmo T, Rossi Silva Souza D, Moriel P, Yu Ting Wang J, Satya Naslavsky M, Gorjão R, Cristina Pithon-Curi T, Curi R, Moreno Fajardo C, Lin Wang HT, Regina Garófalo A, Cerda A, Ferraz Sampaio M, Dominguez Crespo Hirata R, Hiroyuki Hirata M. Identification of pathogenic variants in the Brazilian cohort with Familial Hypercholesterolemia using exon-targeted gene sequencing. Gene 2023; 875:147501. [PMID: 37217153 DOI: 10.1016/j.gene.2023.147501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 05/24/2023]
Abstract
Familial hypercholesterolemia (FH) is a monogenic disease characterized by high plasma low-density lipoprotein cholesterol (LDL-c) levels and increased risk of premature atherosclerotic cardiovascular disease. Mutations in FH-related genes account for 40% of FH cases worldwide. In this study, we aimed to assess the pathogenic variants in FH-related genes in the Brazilian FH cohort FHBGEP using exon-targeted gene sequencing (ETGS) strategy. FH patients (n=210) were enrolled at five clinical sites and peripheral blood samples were obtained for laboratory testing and genomic DNA extraction. ETGS was performed using MiSeq platform (Illumina). To identify deleterious variants in LDLR, APOB, PCSK9, and LDLRAP1, the long-reads were subjected to Burrows-Wheeler Aligner (BWA) for alignment and mapping, followed by variant calling using Genome Analysis Toolkit (GATK) and ANNOVAR for variant annotation. The variants were further filtered using in-house custom scripts and classified according to the American College Medical Genetics and Genomics (ACMG) guidelines. A total of 174 variants were identified including 85 missense, 3 stop-gain, 9 splice-site, 6 InDel, and 71 in regulatory regions (3'UTR and 5'UTR). Fifty-two patients (24.7%) had 30 known pathogenic or likely pathogenic variants in FH-related genes according to the American College Medical and Genetics and Genomics guidelines. Fifty-three known variants were classified as benign, or likely benign and 87 known variants have shown uncertain significance. Four novel variants were discovered and classified as such due to their absence in existing databases. In conclusion, ETGS and in silico prediction studies are useful tools for screening deleterious variants and identification of novel variants in FH-related genes, they also contribute to the molecular diagnosis in the FHBGEP cohort.
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Affiliation(s)
- Jéssica Bassani Borges
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil; Laboratory of Molecular Research in Cardiology, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil; Department of Teaching and Research, Real and Benemerita Associação Portuguesa de Beneficiencia, Sao Paulo 01323-001, Brazil
| | - Victor Fernandes Oliveira
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Carolina Dagli-Hernandez
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Glaucio Monteiro Ferreira
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil; Laboratory of Molecular Research in Cardiology, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | | | - Elisangela da Silva Rodrigues Marçal
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil; Laboratory of Molecular Research in Cardiology, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | - Bruna Los
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Vanessa Barbosa Malaquias
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Raul Hernandes Bortolin
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil; Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, United States
| | - Renata Caroline Costa Freitas
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil; Department of Cardiac Surgery, Boston Children's Hospital, Boston, MA 02115, United States
| | - Augusto Akira Mori
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Gisele Medeiros Bastos
- Laboratory of Molecular Research in Cardiology, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil; Department of Teaching and Research, Real and Benemerita Associação Portuguesa de Beneficiencia, Sao Paulo 01323-001, Brazil
| | | | - Daniel Branco Araújo
- Medical Clinic Division, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | - Henry Zatz
- Medical Clinic Division, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | - Adriana Bertolami
- Medical Clinic Division, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | - André Arpad Faludi
- Medical Clinic Division, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | | | | | - João Ítalo Dias França
- Laboratory of Epidemiology and Statistics, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | - Helena Strelow Thurow
- Department of Teaching and Research, Real and Benemerita Associação Portuguesa de Beneficiencia, Sao Paulo 01323-001, Brazil
| | - Thiago Dominguez Crespo Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Helder Takashi Imoto Nakaya
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Cinthia Elim Jannes
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo, Sao Paulo 05403-900, Brazil
| | - Alexandre da Costa Pereira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo, Sao Paulo 05403-900, Brazil
| | - Vivian Nogueira Silbiger
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal 59078-900 Brazil; Northeast Biotechnology Network (RENORBIO), Graduate Program in Biotechnology, Federal University of Rio Grande do Norte, Natal 59078-900, Brazil
| | - André Ducati Luchessi
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal 59078-900 Brazil; Northeast Biotechnology Network (RENORBIO), Graduate Program in Biotechnology, Federal University of Rio Grande do Norte, Natal 59078-900, Brazil
| | - Jéssica Nayara Góes Araújo
- Northeast Biotechnology Network (RENORBIO), Graduate Program in Biotechnology, Federal University of Rio Grande do Norte, Natal 59078-900, Brazil
| | - Marcelo Arruda Nakazone
- Department of Cardiology and Cardiovascular Surgery, Faculdade de Medicina de São José do Rio Preto, Sao Jose do Rio Preto 15090-000, Brazil
| | - Tayanne Silva Carmo
- Department of Cardiology and Cardiovascular Surgery, Faculdade de Medicina de São José do Rio Preto, Sao Jose do Rio Preto 15090-000, Brazil
| | - Dorotéia Rossi Silva Souza
- Department of Biochemistry and Molecular Biology, Sao Jose do Rio Preto Medical School, Sao Jose do Rio Preto 15090-000, Brazil
| | - Patricia Moriel
- Department of Clinical Pathology, Faculty of Pharmaceutical Sciences, State University of Campinas-UNICAMP, Campinas 13083-871, Brazil
| | - Jaqueline Yu Ting Wang
- Human Genome and Stem-Cell Research Center, Biosciences Institute, University of Sao Paulo, Sao Paulo 05508-090, Brazil
| | - Michel Satya Naslavsky
- Human Genome and Stem-Cell Research Center, Biosciences Institute, University of Sao Paulo, Sao Paulo 05508-090, Brazil
| | - Renata Gorjão
- Interdisciplinary Post-graduate Program in Health Sciences, Cruzeiro do Sul University, Sao Paulo 01311-925, Brazil
| | - Tania Cristina Pithon-Curi
- Interdisciplinary Post-graduate Program in Health Sciences, Cruzeiro do Sul University, Sao Paulo 01311-925, Brazil
| | - Rui Curi
- Interdisciplinary Post-graduate Program in Health Sciences, Cruzeiro do Sul University, Sao Paulo 01311-925, Brazil
| | - Cristina Moreno Fajardo
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Hui-Tzu Lin Wang
- Laboratory of Molecular Research in Cardiology, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | - Adriana Regina Garófalo
- Laboratory of Molecular Research in Cardiology, Institute of Cardiology Dante Pazzanese, Sao Paulo 04012-909, Brazil
| | - Alvaro Cerda
- Department of Basic Sciences, Center of Excellence in Translational Medicine, BIOREN, Universidad de La Frontera, Temuco 4810296, Chile
| | - Marcelo Ferraz Sampaio
- Department of Cardiology, Real and Benemerita Associação Portuguesa de Beneficiencia, Sao Paulo 01323-001, Brazil
| | - Rosario Dominguez Crespo Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil
| | - Mario Hiroyuki Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000 SP, Brazil.
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6
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Barbosa TKA, Hirata RDC, Ferreira GM, Borges JB, Oliveira VFD, Gorjão R, Marçal ERDS, Gonçalves RM, Faludi AA, Freitas RCCD, Dagli-Hernandez C, Bortolin RH, Bastos GM, Pithon-Curi TC, Nader HB, Hirata MH. LDLR missense variants disturb structural conformation and LDLR activity in T-lymphocytes of Familial hypercholesterolemia patients. Gene X 2023; 853:147084. [PMID: 36464169 DOI: 10.1016/j.gene.2022.147084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/16/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022] Open
Abstract
Familial hypercholesterolemia (FH) is caused by deleterious mutations in the LDLR that increase markedly low-density lipoprotein (LDL) cholesterol and cause premature atherosclerotic cardiovascular disease. Functional effects of pathogenic LDLR variants identified in Brazilian FH patients were assessed using in vitro and in silico studies. Variants in LDLR and other FH-related genes were detected by exon-target gene sequencing. T-lymphocytes were isolated from 26 FH patients, and 3 healthy controls and LDLR expression and activity were assessed by flow cytometry and confocal microscopy. The impact of LDLR missense variants on protein structure was assessed by molecular modeling analysis. Ten pathogenic or likely pathogenic LDLR variants (six missense, two stop-gain, one frameshift, and one in splicing region) and six non-pathogenic variants were identified. Carriers of pathogenic and non-pathogenic variants had lower LDL binding and uptake in activated T-lymphocytes compared to controls (p < 0.05), but these variants did not influence LDLR expression on cell surface. Reduced LDL binding and uptake was also observed in carriers of LDLR null and defective variants. Modeling analysis showed that p.(Ala431Thr), p.(Gly549Asp) and p.(Gly592Glu) disturb intramolecular interactions of LDLR, and p.(Gly373Asp) and p.(Ile488Thr) reduce the stability of the LDLR protein. Docking and molecular interactions analyses showed that p.(Cys184Tyr) and p.(Gly373Asp) alter interaction of LDLR with Apolipoprotein B (ApoB). In conclusion, LDLR null and defective variants reduce LDL binding capacity and uptake in activated T-lymphocytes of FH patients and LDLR missense variants affect LDLR conformational stability and dissociation of the LDLR-ApoB complex, having a potential role in FH pathogenesis.
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Affiliation(s)
- Thais Kristini Almendros Barbosa
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil
| | - Rosario Dominguez Crespo Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil
| | - Glaucio Monteiro Ferreira
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil; Laboratory of Molecular Research in Cardiology, Institute Dante Pazzanese of Cardiology, Sao Paulo 04012-909, Brazil
| | - Jéssica Bassani Borges
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil; Laboratory of Molecular Research in Cardiology, Institute Dante Pazzanese of Cardiology, Sao Paulo 04012-909, Brazil
| | - Victor Fernandes de Oliveira
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil
| | - Renata Gorjão
- Interdisciplinary Post-graduate Program in Health Sciences, Cruzeiro do Sul University, Sao Paulo 01506-000, Brazil
| | - Elisangela Rodrigues da Silva Marçal
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil; Laboratory of Molecular Research in Cardiology, Institute Dante Pazzanese of Cardiology, Sao Paulo 04012-909, Brazil
| | | | - André Arpad Faludi
- Medical Clinic Division, Institute Dante Pazzanese of Cardiology, Sao Paulo 04012-909, Brazil
| | - Renata Caroline Costa de Freitas
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil; Department of Cardiac Surgery, Boston Children's Hospital, Boston, MA 02115, United States
| | - Carolina Dagli-Hernandez
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil
| | - Raul Hernandes Bortolin
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil; Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, United States
| | - Gisele Medeiros Bastos
- Laboratory of Molecular Research in Cardiology, Institute Dante Pazzanese of Cardiology, Sao Paulo 04012-909, Brazil; Department of Teaching and Research, Real e Benemerita Associaçao Portuguesa de Beneficiencia, Sao Paulo 01323-001, Brazil
| | - Tania Cristina Pithon-Curi
- Interdisciplinary Post-graduate Program in Health Sciences, Cruzeiro do Sul University, Sao Paulo 01506-000, Brazil
| | - Helena Bonciani Nader
- Department of Biochemistry, School of Medicine, Federal University of Sao Paulo, Sao Paulo 04044-020, Brazil
| | - Mario Hiroyuki Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil.
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Izar MCO, Fonseca FAH. Triagem Direcionada da Hipercolesterolemia Familiar em 11 Pequenas Cidades Brasileiras: Uma Abordagem Eficaz para Detectar Agrupamentos de Indivíduos Afetados. Arq Bras Cardiol 2022; 118:678-679. [PMID: 35508044 PMCID: PMC9007013 DOI: 10.36660/abc.20220027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Jannes CE, Silvino JPP, Silva PRDS, Lima IR, Tada MT, Oliveira TGM, Santos RD, Krieger JE, Pereira ADC. Rastreamento para Hipercolesterolemia Familiar em Pequenos Municípios: A Experiência do Programa HipercolBrasil em 11 Municípios Brasileiros. Arq Bras Cardiol 2021; 118:669-677. [PMID: 35137788 PMCID: PMC9007005 DOI: 10.36660/abc.20201371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 05/12/2021] [Indexed: 11/23/2022] Open
Abstract
Fundamento A hipercolesterolemia familiar (HF) é uma doença genética dominante que se caracteriza por níveis sanguíneos elevados de colesterol de lipoproteína de baixa densidade (LDL-C), e está associada à ocorrência de doença cardiovascular precoce. No Brasil, o HipercolBrasil, que é atualmente o maior programa de rastreamento em cascata para HF, já identificou mais de 2.000 indivíduos com variantes genéticas causadoras de HF. A abordagem padrão baseia-se no rastreamento em cascata de casos índices referidos, indivíduos com hipercolesterolemia e suspeita clínica de HF. Objetivos Realizar rastreamento direcionado de 11 pequenos municípios brasileiros com suspeita de alta prevalência de indivíduos com HF. Métodos A seleção dos municípios ocorreu de 3 maneiras: 1) municípios em que houve suspeita de efeito fundador (4 municípios); 2) municípios em uma região com altas taxas de infarto do miocárdio precoce, conforme descrito pelo banco de dados do Sistema Único de Saúde (2 municípios); e 3) municípios geograficamente próximos a outros municípios com alta prevalência de indivíduos com HF (5 municípios). A significância estatística foi considerada como valor p < 0,05. Resultados Foram incluídos 105 casos índices e 409 familiares de primeiro grau. O rendimento dessa abordagem foi de 4,67 familiares por caso índice, o qual é significativamente melhor (p < 0,0001) do que a taxa geral do HipercolBrasil (1,59). Identificamos 36 CIs com variante patogênica ou provavelmente patogênica para HF e 240 familiares de primeiro grau afetados. Conclusão: Nossos dados sugerem que, uma vez detectadas, regiões geográficas específicas justificam uma abordagem direcionada para a identificação de aglomerações de indivíduos com HF.
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Vuorio A, Kovanen PT, Santos RD, Raal F. Prevention of Cardiovascular Burden in COVID-19 Patients Suffering from Familial Hypercholesterolemia: A Global Challenge. Cardiol Ther 2021. [PMID: 34787816 DOI: 10.1007/s40119-021-00245-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Indexed: 01/01/2023] Open
Abstract
A recent meta-analysis of over 20,000 individuals showed that hospitalized COVID-19 patients with acute myocardial injury had more than fourfold higher mortality than those without such injury. Since the COVID-19 pandemic exacerbates already existing health inequalities, there is an urgent need to create measures to protect the most vulnerable patient groups, including those with a pre-existing increased risk of atherosclerotic cardiovascular disease (ASCVD). A typical example is familial hypercholesterolemia (FH), a common genetic disease affecting over 30 million individuals worldwide. If left untreated or undertreated, FH patients suffer from complications of premature ASCVD, such as acute coronary syndromes, resulting in acute myocardial injury/infarction. A recent population-based analysis provided strong evidence suggesting that COVID-19 poses an even higher risk for myocardial injury in FH patients. From the long-term preventive point of view, it is important to note that, in addition to the acutely elevated risk of myocardial injury, an elevated risk of ASCVD and its complications will persist after COVID-19. The decline in outpatient preventive care during the pandemic is likely to influence ASCVD risk and outcomes, particularly in high-risk patients, such as those with FH. This commentary aims to raise global awareness of the challenges that clinicians treating FH patients continue to face during the COVID-19 pandemic, with two low- to middle-income countries, South Africa and Brazil, serving as examples.
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Sánchez A, Bustos P, Honorato P, Burgos CF, Barriga N, Jannes CE, Sáez K, Alonso R, Asenjo S, Radojkovic C. Phenotypic characterization and predictive analysis of p.Asp47Asn LDL receptor mutation associated with Familial Hypercholesterolemia in a Chilean population. J Clin Lipidol 2021; 15:366-374.e1. [PMID: 33547002 DOI: 10.1016/j.jacl.2021.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 12/22/2020] [Accepted: 01/11/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Familial hypercholesterolemia (FH) is an inherited disorder mainly caused by mutations in the LDL receptor (LDL-R) and characterized by elevation of low-density lipoprotein cholesterol (LDL-C) levels and premature cardiovascular disease. OBJECTIVE In this study, we evaluated the clinical phenotype of the p.Asp47Asn, described as an uncertain pathogenic variant, and its effect on the structure of LDL-R and ligand interactions with apolipoproteins. METHODS 27 children and adolescents with suspected FH diagnosis were recruited from a pediatric endocrinology outpatient clinic. Blood samples were collected after 12 h fasting for lipid profile analysis. DNA sequencing was performed for six FH-related genes by Ion Torrent PGM platform and copy number variation by MLPA. For index cases, a familial cascade screening was done restricted to the same mutation found in the index case. In silico analysis were developed to evaluate the binding capacity of LDL-R to apolipoproteins B100 and E. RESULTS Lipid profile in children and adolescents demonstrated higher LDL-C levels in p.Asp47Asn carriers compared to the wild type genotype. In silico analysis predicted a reduction in the binding capacity of the ligand-binding modules LA1-2 of p.Asp47Asn LDL-R for ApoB100 and ApoE, which was not produced by local structural changes or folding defects but as a consequence of a decreased apparent affinity for both apolipoproteins. CONCLUSION The clinical phenotype and the structural effects of p.Asp47Asn LDL-R mutation suggest that this variant associates to FH.
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Affiliation(s)
- Andrea Sánchez
- Departamento de Bioquímica Clínica e Inmunología, Facultad de Farmacia, Universidad de Concepción, Concepción, Chile
| | - Paulina Bustos
- Departamento de Bioquímica Clínica e Inmunología, Facultad de Farmacia, Universidad de Concepción, Concepción, Chile
| | - Paula Honorato
- Departamento de Bioquímica Clínica e Inmunología, Facultad de Farmacia, Universidad de Concepción, Concepción, Chile
| | - Carlos F Burgos
- Departamento de Fisiología, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - Natalia Barriga
- Departamento de Bioquímica Clínica e Inmunología, Facultad de Farmacia, Universidad de Concepción, Concepción, Chile
| | - Cinthia E Jannes
- Laboratory of Genetics and Molecular Cardiology, Heart Institute (InCor), University of São Paulo Medical School Hospital, São Paulo, Brazil
| | - Katia Sáez
- Departamento de Estadística, Facultad de Ciencias Físicas y Matemáticas, Universidad de Concepción, Concepción, Chile
| | - Rodrigo Alonso
- Center for Advanced Metabolic Medicine and Nutrition, Santiago de Chile. Fundación Hipercolesterolemia Familiar, Madrid, Spain
| | - Sylvia Asenjo
- Departamento de Pediatría, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
| | - Claudia Radojkovic
- Departamento de Bioquímica Clínica e Inmunología, Facultad de Farmacia, Universidad de Concepción, Concepción, Chile.
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Mehta R, Martagon AJ, Galan Ramirez GA, Antonio-Villa NE, Vargas-Vázquez A, Elias-Lopez D, Gonzalez-Retana G, Rodríguez-Encinas B, Ceballos-Macías JJ, Romero-Zazueta A, Martinez-Alvarado R, Morales-Portano JD, Alvarez-Lopez H, Sauque-Reyna L, Gomez-Herrera LG, Simental-Mendia LE, Garcia-Aguilar H, Ramirez-Cooremans E, Peña-Aparicio B, Mendoza-Zubieta V, Carrillo-Gonzalez PA, Ferreira-Hermosillo A, Caracas-Portilla N, Jimenez-Dominguez G, Ruiz-Garcia AY, Arriaga-Cazares HE, Gonzalez-Gonzalez JR, Mendez-Valencia CV, Padilla FG, Madriz-Prado R, De Los Rios-Ibarra MO, Vazquez-Cardenas A, Arjona-Villicaña RD, Acevedo-Rivera KJ, Allende-Carrera R, Alvarez JA, Amezcua-Martinez JC, de Los Reyes Barrera-Bustillo M, Carazo-Vargas G, Contreras-Chacon R, Figueroa-Andrade MH, Flores-Ortega A, Garcia-Alcala H, Garcia de Leon LE, Garcia-Guzman B, Garduño-Garcia JJ, Garnica-Cuellar JC, Gomez-Cruz JR, Hernandez-Garcia A, Holguin-Almada JR, Juarez-Herrera U, Lugo-Sobrevilla F, Marquez-Rodriguez E, Martinez-Sibaja C, Medrano-Rodriguez AB, Morales-Oyervides JC, Perez-Vazquez DI, Reyes-Rodriguez EA, Robles-Osorio ML, Rosas-Saucedo J, Torres-Tamayo M, Valdez-Talavera LA, Vera-Arroyo LE, Zepeda-Carrillo EA, Aguilar-Salinas CA. Familial hypercholesterolemia in Mexico: Initial insights from the national registry. J Clin Lipidol 2020; 15:124-133. [PMID: 33422452 DOI: 10.1016/j.jacl.2020.12.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 11/18/2020] [Accepted: 12/04/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Familial hypercholesterolemia (FH) remains underdiagnosed and undertreated. OBJECTIVE Report the results of the first years (2017-2019) of the Mexican FH registry. METHODS There are 60 investigators, representing 28 federal states, participating in the registry. The variables included are in accordance with the European Atherosclerosis Society (EAS) FH recommendations. RESULTS To date, 709 patients have been registered, only 336 patients with complete data fields are presented. The mean age is 50 (36-62) years and the average time since diagnosis is 4 (IQR: 2-16) years. Genetic testing is recorded in 26.9%. Tendon xanthomas are present in 43.2%. The prevalence of type 2 diabetes is 11.3% and that of premature CAD is 9.8%. Index cases, male gender, hypertension and smoking were associated with premature CAD. The median lipoprotein (a) level is 30.5 (IQR 10.8-80.7) mg/dl. Statins and co-administration with ezetimibe were recorded in 88.1% and 35.7% respectively. A combined treatment target (50% reduction in LDL-C and an LDL-C <100 mg/dl) was achieved by 13.7%. Associated factors were index case (OR 3.6, 95%CI 1.69-8.73, P = .002), combination therapy (OR 2.4, 95%CI 1.23-4.90, P = .011), type 2 diabetes (OR 2.8, 95%CI 1.03-7.59, P = .036) and age (OR 1.023, 95%CI 1.01-1.05, P = .033). CONCLUSION The results confirm late diagnosis, a lower than expected prevalence and risk of ASCVD, a higher than expected prevalence of type 2 diabetes and undertreatment, with relatively few patients reaching goals. Recommendations include, the use of combination lipid lowering therapy, control of comorbid conditions and more frequent genetic testing in the future.
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Affiliation(s)
- Roopa Mehta
- Unidad de Investigación de Enfermedades Metabolicas, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México City, Mexico; Departamento de Endocrinologia y Metabolismo, Instituto Nacional de Ciencias Médicas y Nutricion Salvador Zubiran, Mexico City, Mexico
| | - Alexandro J Martagon
- Unidad de Investigación de Enfermedades Metabolicas, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México City, Mexico; Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey, Nuevo Leon, Mexico
| | - Gabriela A Galan Ramirez
- Unidad de Investigación de Enfermedades Metabolicas, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México City, Mexico
| | - Neftali Eduardo Antonio-Villa
- Unidad de Investigación de Enfermedades Metabolicas, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México City, Mexico
| | - Arsenio Vargas-Vázquez
- Unidad de Investigación de Enfermedades Metabolicas, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México City, Mexico
| | - Daniel Elias-Lopez
- Unidad de Investigación de Enfermedades Metabolicas, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México City, Mexico; Departamento de Endocrinologia y Metabolismo, Instituto Nacional de Ciencias Médicas y Nutricion Salvador Zubiran, Mexico City, Mexico
| | - Gustavo Gonzalez-Retana
- Departamento de Endocrinologia y Metabolismo, Instituto Nacional de Ciencias Médicas y Nutricion Salvador Zubiran, Mexico City, Mexico
| | - Bethsabel Rodríguez-Encinas
- Departamento de Endocrinologia y Metabolismo, Instituto Nacional de Ciencias Médicas y Nutricion Salvador Zubiran, Mexico City, Mexico
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Guadalupe Jimenez-Dominguez
- Hospital General Zona #46 IMSS, Villahermosa, Tabasco, Mexico; Hospital Angeles de Villahermosa, Tabasco, Mexico
| | | | - Hector E Arriaga-Cazares
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey, Nuevo Leon, Mexico; Centro Medico Nacional del Noreste IMSS, Monterrey, Nuevo Leon, Mexico
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Carlos A Aguilar-Salinas
- Unidad de Investigación de Enfermedades Metabolicas, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México City, Mexico; Departamento de Endocrinologia y Metabolismo, Instituto Nacional de Ciencias Médicas y Nutricion Salvador Zubiran, Mexico City, Mexico; Direccion de Nutricion, Instituto Nacional de Ciencias Médicas y Nutricion Salvador Zubiran, Mexico City, Mexico; Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey, Nuevo Leon, Mexico.
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Ruiz ÁJ, Patiño LF, Amaya K, Gómez JE, Ordóñez F, Paternina S, Mercado M, Pachajoa H, Campo R, Giraldo G, Jiménez R, Zuluaga N, Monroy J, Gil-forero J, Matallana A, Rivera C, Coll M, Peña-vargas WA, Manjarrez O, Toro JM, Barrera Á, Hoyos D, García H. Hipercolesterolemia familiar: serie de 36 casos con fenotipo de hipercolesterolemia familiar homocigótica. Revista Colombiana de Cardiología 2020; 27:498-507. [DOI: 10.1016/j.rccar.2019.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Vrablik M, Tichý L, Freiberger T, Blaha V, Satny M, Hubacek JA. Genetics of Familial Hypercholesterolemia: New Insights. Front Genet 2020; 11:574474. [PMID: 33133164 PMCID: PMC7575810 DOI: 10.3389/fgene.2020.574474] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 09/09/2020] [Indexed: 12/11/2022] Open
Abstract
Familial hypercholesterolemia (FH) is one of the most common monogenic diseases, leading to an increased risk of premature atherosclerosis and its cardiovascular complications due to its effect on plasma cholesterol levels. Variants of three genes (LDL-R, APOB and PCSK9) are the major causes of FH, but in some probands, the FH phenotype is associated with variants of other genes. Alternatively, the typical clinical picture of FH can result from the accumulation of common cholesterol-increasing alleles (polygenic FH). Although the Czech Republic is one of the most successful countries with respect to FH detection, approximately 80% of FH patients remain undiagnosed. The opportunities for international collaboration and experience sharing within international programs (e.g., EAS FHSC, ScreenPro FH, etc.) will improve the detection of FH patients in the future and enable even more accessible and accurate genetic diagnostics.
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Affiliation(s)
- Michal Vrablik
- 3rd Department of Internal Medicine, 1st Faculty of Medicine, Charles University, Prague, Czechia
| | - Lukas Tichý
- Centre of Molecular Biology and Gene Therapy, University Hospital, Brno, Czechia
| | - Tomas Freiberger
- Centre for Cardiovascular Surgery and Transplantation, Brno, and Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Vladimir Blaha
- Internal Gerontometabolic Department, Charles University and University Hospital Hradec Kralove, Hradec Kralove, Czechia
| | - Martin Satny
- 3rd Department of Internal Medicine, 1st Faculty of Medicine, Charles University, Prague, Czechia
| | - Jaroslav A Hubacek
- 3rd Department of Internal Medicine, 1st Faculty of Medicine, Charles University, Prague, Czechia.,Experimental Medicine Centre, Institute for Clinical and Experimental Medicine, Prague, Czechia
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Vallejo-Vaz AJ, De Marco M, Stevens CAT, Akram A, Freiberger T, Hovingh GK, Kastelein JJP, Mata P, Raal FJ, Santos RD, Soran H, Watts GF, Abifadel M, Aguilar-Salinas CA, Al-Khnifsawi M, AlKindi FA, Alnouri F, Alonso R, Al-Rasadi K, Al-Sarraf A, Ashavaid TF, Binder CJ, Bogsrud MP, Bourbon M, Bruckert E, Chlebus K, Corral P, Descamps O, Durst R, Ezhov M, Fras Z, Genest J, Groselj U, Harada-Shiba M, Kayikcioglu M, Lalic K, Lam CSP, Latkovskis G, Laufs U, Liberopoulos E, Lin J, Maher V, Majano N, Marais AD, März W, Mirrakhimov E, Miserez AR, Mitchenko O, Nawawi HM, Nordestgaard BG, Paragh G, Petrulioniene Z, Pojskic B, Postadzhiyan A, Reda A, Reiner Ž, Sadoh WE, Sahebkar A, Shehab A, Shek AB, Stoll M, Su TC, Subramaniam T, Susekov AV, Symeonides P, Tilney M, Tomlinson B, Truong TH, Tselepis AD, Tybjærg-Hansen A, Vázquez-Cárdenas A, Viigimaa M, Vohnout B, Widén E, Yamashita S, Banach M, Gaita D, Jiang L, Nilsson L, Santos LE, Schunkert H, Tokgözoğlu L, Car J, Catapano AL, Ray KK; EAS Familial Hypercholesterolaemia Studies Collaboration., EAS Familial Hypercholesterolaemia Studies Collaboration (FHSC) Investigators. Overview of the current status of familial hypercholesterolaemia care in over 60 countries - The EAS Familial Hypercholesterolaemia Studies Collaboration (FHSC). Atherosclerosis 2018; 277:234-55. [PMID: 30270054 DOI: 10.1016/j.atherosclerosis.2018.08.051] [Citation(s) in RCA: 136] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 08/30/2018] [Accepted: 08/31/2018] [Indexed: 01/07/2023]
Abstract
BACKGROUND AND AIMS Management of familial hypercholesterolaemia (FH) may vary across different settings due to factors related to population characteristics, practice, resources and/or policies. We conducted a survey among the worldwide network of EAS FHSC Lead Investigators to provide an overview of FH status in different countries. METHODS Lead Investigators from countries formally involved in the EAS FHSC by mid-May 2018 were invited to provide a brief report on FH status in their countries, including available information, programmes, initiatives, and management. RESULTS 63 countries provided reports. Data on FH prevalence are lacking in most countries. Where available, data tend to align with recent estimates, suggesting a higher frequency than that traditionally considered. Low rates of FH detection are reported across all regions. National registries and education programmes to improve FH awareness/knowledge are a recognised priority, but funding is often lacking. In most countries, diagnosis primarily relies on the Dutch Lipid Clinics Network criteria. Although available in many countries, genetic testing is not widely implemented (frequent cost issues). There are only a few national official government programmes for FH. Under-treatment is an issue. FH therapy is not universally reimbursed. PCSK9-inhibitors are available in ∼2/3 countries. Lipoprotein-apheresis is offered in ∼60% countries, although access is limited. CONCLUSIONS FH is a recognised public health concern. Management varies widely across countries, with overall suboptimal identification and under-treatment. Efforts and initiatives to improve FH knowledge and management are underway, including development of national registries, but support, particularly from health authorities, and better funding are greatly needed.
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Corral P, Geller AS, Polisecki EY, Lopez GI, Bañares VG, Cacciagiu L, Berg G, Hegele RA, Schaefer EJ, Schreier LE. Unusual genetic variants associated with hypercholesterolemia in Argentina. Atherosclerosis 2019; 277:256-261. [PMID: 30270055 DOI: 10.1016/j.atherosclerosis.2018.06.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/17/2018] [Accepted: 06/07/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND AND AIMS Marked hypercholesterolemia, defined as low density lipoprotein cholesterol (LDL-C) levels ≥ 190 mg/dL, may be due to LDLR, APOB, and PCSK9 variants. In a recent analysis, only 1.7% of cases had such variants. Our goal was to identify other potential genetic causes of hypercholesterolemia. METHODS In a total of 51,253 subjects with lipid testing, 3.8% had elevated total cholesterol >300 mg/dL and/or LDL-C≥190 mg/dL. Of these, 246 were further studied, and 69 without kidney, liver, or thyroid disease and who met Dutch Lipid Clinic Network criteria of ≥6 points had DNA sequencing done at the LDLR, APOB, PCSK9, APOE, LDLRAP1, STAP1, ABCG5, ABCG8, CYP27A1, LIPA, LIPC, LIPG, LPL, and SCARB1 gene loci and also had 10 SNP analysis for a weighted high LDL-C genetic risk score. RESULTS In the 69 subjects with genetic analyses, the following variants were observed in 37 subjects (53.6%): LDLR (n = 20, 2 novel), ABCG5/8 (n = 7, 2 novel), APOB (n = 3, 1 novel), CYP27A1 (n = 3, 1 novel), LIPA (n = 2, 1 novel), APOE (n = 2), LIPC (n = 1, novel), LIPG (n = 1, novel), and SCARB1 (n = 1); 14 subjects (20.3%) had a high polygenic score, with 4 (5.8%) having no variants. CONCLUSIONS Our data indicate that in addition to variants in LDLR, APOB, PCSK9, APOE, LDLRAP1, and STAP1, variants in ABCG5/8, CYP27A1, LIPA, LIPC, and LIPG may be associated with hypercholesterolemia and such information should be used to optimize therapy.
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Affiliation(s)
- Pablo Corral
- Departamento de Investigación, Facultad de Medicina, Universidad FASTA, Buenos Aires, Argentina
| | | | | | - Graciela I Lopez
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Bioquímica Clínica, Laboratorio de Lípidos y Aterosclerosis, INFIBIOC-UBA, Buenos Aires, Argentina
| | - Virginia G Bañares
- Departamento de Genética Experimental, Centro Nacional de Genética Médica "Dr Eduardo Castilla", Administración Nacional de Laboratorios e Institutos de Salud "Dr Carlos Malbrán", Buenos Aires, Argentina
| | - Leonardo Cacciagiu
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Bioquímica Clínica, Laboratorio de Lípidos y Aterosclerosis, INFIBIOC-UBA, Buenos Aires, Argentina
| | - Gabriela Berg
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Bioquímica Clínica, Laboratorio de Lípidos y Aterosclerosis, INFIBIOC-UBA, Buenos Aires, Argentina
| | - Robert A Hegele
- Robarts Research Institute, University Western Ontario, London, Ontario, Canada
| | | | - Laura E Schreier
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Bioquímica Clínica, Laboratorio de Lípidos y Aterosclerosis, INFIBIOC-UBA, Buenos Aires, Argentina.
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Garg A, Fazio S, Duell PB, Baass A, Udata C, Joh T, Riel T, Sirota M, Dettling D, Liang H, Garzone PD, Gumbiner B, Wan H. Molecular Characterization of Familial Hypercholesterolemia in a North American Cohort. J Endocr Soc 2019; 4:bvz015. [PMID: 31993549 DOI: 10.1210/jendso/bvz015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 11/25/2019] [Indexed: 01/16/2023] Open
Abstract
Background Familial hypercholesterolemia (FH) confers a very high risk of premature cardiovascular disease and is commonly caused by mutations in low-density lipoprotein receptor (LDLR), apolipoprotein B (APOB), or proprotein convertase subtilisin/kexin type 9 (PCSK9) and very rarely in LDLR adaptor protein 1 (LDLRAP1) genes. Objective To determine the prevalence of pathogenic mutations in the LDLR, APOB, and PCSK9 in a cohort of subjects who met Simon Broome criteria for FH and compare the clinical characteristics of mutation-positive and mutation-negative subjects. Methods Ninety-three men and 107 women aged 19 to 80 years from lipid clinics in the United States and Canada participated. Demographic and historical data were collected, physical examination performed, and serum lipids/lipoproteins analyzed. Targeted sequencing analyses of LDLR and PCSK9 coding regions and exon 26 of APOB were performed followed by detection of LDLR deletions and duplications. Results Disease-causing LDLR and APOB variants were identified in 114 and 6 subjects, respectively. Of the 58 LDLR variants, 8 were novel mutations. Compared with mutation-positive subjects, mutation-negative subjects were older (mean 49 years vs 57 years, respectively) and had a higher proportion of African Americans (1% vs 12.5%), higher prevalence of hypertension (21% vs 46%), and higher serum triglycerides (median 86 mg/dL vs 122 mg/dL) levels. Conclusions LDLR mutations were the most common cause of heterozygous FH in this North American cohort. A strikingly high proportion of FH subjects (40%) lacked mutations in known culprit genes. Identification of underlying genetic and environmental factors in mutation-negative patients is important to further our understanding of the metabolic basis of FH and other forms of severe hypercholesterolemia.
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Affiliation(s)
- Abhimanyu Garg
- Division of Nutrition and Metabolic Diseases, Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas
| | - Sergio Fazio
- Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon
| | - P Barton Duell
- Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon
| | - Alexis Baass
- Institut de Recherches Cliniques de Montreal, Montreal, Canada
| | | | | | - Tom Riel
- Pfizer Inc., South San Francisco, California
| | | | | | - Hong Liang
- Pfizer Inc., South San Francisco, California
| | | | | | - Hong Wan
- Pfizer Inc., South San Francisco, California
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Izar MCDO, Fonseca FAH. Predictors of Family Recruitment in a Program of Genetic Cascade Screening for Familial Hypercholesterolemia. Arq Bras Cardiol 2018; 111:585-586. [PMID: 30365680 PMCID: PMC6199521 DOI: 10.5935/abc.20180193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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18
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Alves AC, Benito-vicente A, Medeiros AM, Reeves K, Martin C, Bourbon M. Further evidence of novel APOB mutations as a cause of familial hypercholesterolaemia. Atherosclerosis 2018; 277:448-56. [DOI: 10.1016/j.atherosclerosis.2018.06.819] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 06/06/2018] [Accepted: 06/14/2018] [Indexed: 01/02/2023]
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Vallejo-Vaz AJ, Ray KK. Epidemiology of familial hypercholesterolaemia: Community and clinical. Atherosclerosis 2018; 277:289-297. [DOI: 10.1016/j.atherosclerosis.2018.06.855] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 06/06/2018] [Accepted: 06/14/2018] [Indexed: 01/10/2023]
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Mehta R, Martagon AJ, Galan Ramirez GA, Gonzalez Retana G, Martinez-Beltran M, Vargas Vazquez A, Vazquez-Cardenas A, Aguilar-Salinas CA. The development of the Mexican Familial Hypercholesterolemia (FH) National Registry. Atherosclerosis 2018; 277:517-523. [DOI: 10.1016/j.atherosclerosis.2018.06.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 05/03/2018] [Accepted: 06/07/2018] [Indexed: 11/15/2022]
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21
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Silva PRDS, Jannes CE, Oliveira TGM, Gómez LMG, Krieger JE, Santos RD, Pereira AC. Predictors of Family Enrollment in a Genetic Cascade Screening Program for Familial Hypercholesterolemia. Arq Bras Cardiol 2018; 111:578-584. [PMID: 30156605 PMCID: PMC6199512 DOI: 10.5935/abc.20180156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 04/25/2018] [Indexed: 12/02/2022] Open
Abstract
Background Genetic cascade screening is the most cost-effective method for the
identification of individuals with familial hypercholesterolemia (FH), but
the best strategies for the enrollment of at-risk individuals in a FH
screening program are not fully known. Objective The aim of this study is to identify the best predictors of familial
enrollment into genetic screening, using features derived from tested
probands. Methods One hundred and eighty-three index-cases (ICs) with a positive genetic result
that had relatives screened from 01/2011 to 07/2015 were included. The
response variable was the number of relatives for each enrolled IC. All
variables in the study were based on ICs’ derived clinical and
socioeconomical features. The effect size of predictor variables were
obtained through a general linear model using a negative binomial regression
link function. Significance was considered with a p < 0.05. Results Mean IC age when enrolling into the program was 50 years old; 78.1% of
individuals reported knowledge of relatives with dyslipidemia. Mean baseline
LDL-cholesterol level was 316 ± 90 mg/dL. Referral origin through the
cascade program website vs. tertiary care, IC LDL-cholesterol and familial
history of high LDL-cholesterol levels were independent predictors
associated with a higher number of enrolled relatives. Conclusions Our data suggest that FH cascade screening programs can predict family
enrollment based on IC features. This information may be useful for devising
better and more effective screening approaches for at-risk individuals.
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Affiliation(s)
- Pãmela Rodrigues de Souza Silva
- Laboratório de Genética e Cardiologia Molecular do Instituto do Coração (InCor) da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP - Brazil
| | - Cinthia Elim Jannes
- Laboratório de Genética e Cardiologia Molecular do Instituto do Coração (InCor) da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP - Brazil
| | - Theo G M Oliveira
- Laboratório de Genética e Cardiologia Molecular do Instituto do Coração (InCor) da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP - Brazil
| | - Luz Marina Gómez Gómez
- Laboratório de Genética e Cardiologia Molecular do Instituto do Coração (InCor) da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP - Brazil
| | - José E Krieger
- Laboratório de Genética e Cardiologia Molecular do Instituto do Coração (InCor) da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP - Brazil
| | - Raul D Santos
- Clínica de Lípides do Instituto do Coração (InCor) da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP - Brazil
| | - Alexandre Costa Pereira
- Laboratório de Genética e Cardiologia Molecular do Instituto do Coração (InCor) da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP - Brazil
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Chora JR, Medeiros AM, Alves AC, Bourbon M. Analysis of publicly available LDLR, APOB, and PCSK9 variants associated with familial hypercholesterolemia: application of ACMG guidelines and implications for familial hypercholesterolemia diagnosis. Genet Med 2017; 20:591-598. [PMID: 29261184 DOI: 10.1038/gim.2017.151] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 07/26/2017] [Indexed: 01/15/2023] Open
Abstract
PurposeFamilial hypercholesterolemia (FH) is an autosomal disorder of lipid metabolism presenting with increased cardiovascular risk. Although more than 1,700 variants have been associated with FH, the great majority have not been functionally proved to affect the low-density lipoprotein receptor cycle. We aimed to classify all described variants associated with FH and to establish the proportion of variants that lack evidence to support their pathogenicity.MethodsWe followed American College of Medical Genetics and Genomics (ACMG) guidelines for the classification, and collected information from a variety of databases and individual reports. A worldwide overview of publicly available FH variants was also performed.ResultsA total of 2,104 unique variants were identified as being associated with FH, but only 166 variants have been proven by complete in vitro functional studies to be causative of disease. Additionally, applying the ACMG guidelines, 1,097 variants were considered pathogenic or likely pathogenic. Only seven variants were found in all five continents.ConclusionThe lack of functional evidence for about 85% of all variants found in FH patients can compromise FH diagnosis and patient prognosis. ACMG classification improves variant interpretation, but functional studies are necessary to understand the effect of about 40% of all variants reported. Nevertheless, ACMG guidelines need to be adapted to FH for a better diagnosis.
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Affiliation(s)
- Joana Rita Chora
- Unidade I&D, Grupo de Investigação Cardiovascular, Departamento de Promoção da Saúde e Doenças Não Transmissíveis, Instituto Nacional de Saúde Doutor Ricardo Jorge, Lisbon, Portugal.,University of Lisboa, Faculty of Sciences, BioISI-Biosystems & Integrative Sciences Institute, Lisbon, Portugal
| | - Ana Margarida Medeiros
- Unidade I&D, Grupo de Investigação Cardiovascular, Departamento de Promoção da Saúde e Doenças Não Transmissíveis, Instituto Nacional de Saúde Doutor Ricardo Jorge, Lisbon, Portugal.,University of Lisboa, Faculty of Sciences, BioISI-Biosystems & Integrative Sciences Institute, Lisbon, Portugal
| | - Ana Catarina Alves
- Unidade I&D, Grupo de Investigação Cardiovascular, Departamento de Promoção da Saúde e Doenças Não Transmissíveis, Instituto Nacional de Saúde Doutor Ricardo Jorge, Lisbon, Portugal.,University of Lisboa, Faculty of Sciences, BioISI-Biosystems & Integrative Sciences Institute, Lisbon, Portugal
| | - Mafalda Bourbon
- Unidade I&D, Grupo de Investigação Cardiovascular, Departamento de Promoção da Saúde e Doenças Não Transmissíveis, Instituto Nacional de Saúde Doutor Ricardo Jorge, Lisbon, Portugal.,University of Lisboa, Faculty of Sciences, BioISI-Biosystems & Integrative Sciences Institute, Lisbon, Portugal
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Toro JM, Román-González A, Builes-Barrera CA. Identifying familial hypercholesterolemia in Colombia. J Clin Lipidol 2017; 11:1106-1107. [DOI: 10.1016/j.jacl.2017.05.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 05/23/2017] [Accepted: 05/23/2017] [Indexed: 11/16/2022]
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