1
|
Marques MC, Rubin D, Shuldiner E, Datta M, Schmitz E, Cruz GG, Patt A, Bennett E, Grom A, Foell D, Gattorno M, Bohnsack J, Yeung RSM, Prahalad S, Mellins E, Anton J, Len CA, Oliveira S, Woo P, Ozen S, Deng Z, Ombrello MJ. Enrichment of Rare Variants of Hemophagocytic Lymphohistiocytosis Genes in Systemic Juvenile Idiopathic Arthritis. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.03.13.24304215. [PMID: 38529491 PMCID: PMC10962746 DOI: 10.1101/2024.03.13.24304215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Objective To evaluate whether there is an enrichment of rare variants in familial hemophagocytic lymphohistiocytosis (HLH) genes and systemic juvenile idiopathic arthritis (sJIA) with or without macrophage activation syndrome (MAS). Methods Targeted sequencing of HLH genes (LYST, PRF1, RAB27A, STX11, STXBP2, UNC13D) was performed in sJIA subjects from an established cohort. Sequence data from control subjects were obtained in silico (dbGaP:phs000280.v8.p2). Rare variant association testing (RVT) was performed with sequence kernel association test (SKAT) package. Significance was defined as p<0.05 after 100,000 permutations. Results Sequencing data from 524 sJIA cases were jointly called and harmonized with exome-derived target data from 3000 controls. Quality control operations produced a set of 481 cases and 2924 ancestrally-matched control subjects. RVT of sJIA cases and controls revealed a significant association with rare protein-altering variants (minor allele frequency [MAF]<0.01) of STXBP2 (p=0.020), and ultra-rare variants (MAF<0.001) of STXBP2 (p=0.007) and UNC13D (p=0.045). A subanalysis of 32 cases with known MAS and 90 without revealed significant association of rare UNC13D variants (p=0.0047). Additionally, sJIA patients more often carried ≥2 HLH variants than did controls (p=0.007), driven largely by digenic combinations involving LYST. Conclusion We identified an enrichment of rare HLH variants in sJIA patients compared with healthy controls, driven by STXBP2 and UNC13D. Biallelic variation in HLH genes was associated with sJIA, driven by LYST. Only UNC13D displayed enrichment in patients with MAS. This suggests that HLH variants may contribute to the pathophysiology of sJIA, even without MAS.
Collapse
Affiliation(s)
- Mariana Correia Marques
- Translational Genetics and Genomics Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Danielle Rubin
- Translational Genetics and Genomics Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Emily Shuldiner
- Translational Genetics and Genomics Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Mallika Datta
- Translational Genetics and Genomics Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Elizabeth Schmitz
- Translational Genetics and Genomics Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Gustavo Gutierrez Cruz
- Genomic Technology Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Andrew Patt
- Translational Genetics and Genomics Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Elizabeth Bennett
- Translational Genetics and Genomics Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Alexei Grom
- Rheumatology, Cincinnati Children`s Hospital Medical Center, Cincinnati, USA
| | - Dirk Foell
- Department of Pediatric Rheumatology and Immunology, University Hospital Muenster, Muenster, Germany
| | - Marco Gattorno
- Unit Rheumatology and Autoinflammatory Diseases, IRCCS Istituto G. Gaslini, Genoa, Italy
| | - John Bohnsack
- Department of Pediatrics, University of Utah Eccles School of Medicine, Salt Lake City, USA
| | - Rae S M Yeung
- The Hospital for Sick Children, University of Toronto, Toronto, Canada
| | - Sampath Prahalad
- Emory University school of Medicine, Atlanta, USA
- Children's Healthcare of Atlanta, Atlanta, USA
| | - Elizabeth Mellins
- Department of Pediatrics, Program in Immunology, Stanford University, Stanford, USA
| | - Jordi Anton
- Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain
| | | | - Sheila Oliveira
- Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Seza Ozen
- Department of Pediatrics, Hacettepe University, Ankara, Turkey
| | - Zuoming Deng
- Biodata Mining and Discovery Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| | - Michael J Ombrello
- Translational Genetics and Genomics Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, USA
| |
Collapse
|
2
|
Luo Y, Ferrada MA, Sikora KA, Rankin C, Alessi HD, Kastner DL, Deng Z, Zhang M, Merkel PA, Kraus VB, Allen AS, Grayson PC. Ultra-rare genetic variation in relapsing polychondritis: a whole-exome sequencing study. Ann Rheum Dis 2024; 83:253-260. [PMID: 37918895 DOI: 10.1136/ard-2023-224732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/28/2023] [Indexed: 11/04/2023]
Abstract
OBJECTIVE Relapsing polychondritis (RP) is a systemic inflammatory disease of unknown aetiology. The objective of this study was to examine the contribution of rare genetic variations to RP. METHODS We performed a case-control exome-wide rare variant association analysis that included 66 unrelated European American cases with RP and 2923 healthy controls (HC). Gene-level collapsing analysis was performed using Firth's logistics regression. Exploratory pathway analysis was performed using three different methods: Gene Set Enrichment Analysis, sequence kernel association test and higher criticism test. Plasma DCBLD2 levels were measured in patients with RP and HC using ELISA. RESULTS In the collapsing analysis, RP was associated with a significantly higher burden of ultra-rare damaging variants in the DCBLD2 gene (7.6% vs 0.1%, unadjusted OR=79.8, p=2.93×10-7). Plasma DCBLD2 protein levels were significantly higher in RP than in HC (median 4.06 ng/µL vs 0.05 ng/µL, p<0.001). The pathway analysis revealed a statistically significant enrichment of genes in the tumour necrosis factor signalling pathway driven by rare damaging variants in RELB, RELA and REL using higher criticism test weighted by eigenvector centrality. CONCLUSIONS This study identified specific rare variants in the DCBLD2 gene as a putative genetic risk factor for RP. These findings should be validated in additional patients with RP and supported by future functional experiments.
Collapse
Affiliation(s)
- Yiming Luo
- Division of Rheumatology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Marcela A Ferrada
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Keith A Sikora
- Pediatric Translational Research Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Cameron Rankin
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Hugh D Alessi
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Daniel L Kastner
- Metabolic, Cardiovascular and Inflammatory Disease Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Zuoming Deng
- Biodata Mining and Discovery Section, Office of Science and Technology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Mengqi Zhang
- Biostatistics and Research Decision Sciences, Merck & Co., Inc, Rahway, New Jersey, USA
| | - Peter A Merkel
- Division of Rheumatology, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Virginia B Kraus
- Division of Rheumatology, Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA
| | - Andrew S Allen
- Division of Integrative Genomics, Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, USA
| | - Peter C Grayson
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| |
Collapse
|
3
|
Zhang F, Fu C, Deng Y, Zhang M, Peng H, Li W, Zhong J, Zhou Q, Huang L, Xiao S, Zhao J. Association of CASZ1 genetic variants with stroke risk in the Chinese population. J Stroke Cerebrovasc Dis 2023; 32:107169. [PMID: 37182340 DOI: 10.1016/j.jstrokecerebrovasdis.2023.107169] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/26/2023] [Accepted: 04/29/2023] [Indexed: 05/16/2023] Open
Abstract
BACKGROUND Stroke is a heterogeneous disease with multiple etiologies, placing a heavy burden on the world. Our purpose was to clarify the association between CASZ1 genetic variants and stroke risk in the Chinese population. METHODS The Agena MassARRAY platform effectively genotyped three single nucleotide polymorphisms of CASZ1 in recruited 591 stroke patients and 553 healthy controls. Logistic regression genetic models were employed to evaluate the relationship between CASZ1 polymorphisms and stroke risk through odds ratios (ORs) and 95% confidence intervals (CIs). Then, the interaction between CASZ1 variants was detected by multifactor dimensionality reduction (MDR). Moreover, functional enrichment analyses of the CASZ1 gene were performed by Metascape. RESULTS In this study, CASZ1 rs4845941 and rs778228 were significantly associated with an increased risk of stroke. In particular, the gender-stratified analysis also showed that rs778228 of CASZ1 had an association with higher stroke risk in females. The relationship between stroke susceptibility and the interaction models of rs4845941, rs778228, and rs17035539 forecasted by MDR were analyzed to improve the ability to predict stroke risk. Furthermore, we found CASZ1 and related genes might facilitate the occurrence of stroke. CONCLUSIONS This study demonstrated that CASZ1 genetic variants (rs4845941 and rs778228) contribute to the occurrence of stroke in the Chinese population, and therefore has important implications for treating and preventing stroke.
Collapse
Affiliation(s)
- Fan Zhang
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Chuanyi Fu
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Yidong Deng
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Mao Zhang
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Hao Peng
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Wenan Li
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Jian Zhong
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Qing Zhou
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Li Huang
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Shuli Xiao
- Department of Cerebrovascular disease, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China
| | - Jiannong Zhao
- Neurosurgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, Hainan, China; Neurosurgery, Hainan Medical University, Haikou 571199, Hainan, China.
| |
Collapse
|
4
|
Kandola MS, Kulm S, Kim LK, Markowitz SM, Liu CF, Thomas G, Ip JE, Lerman BB, Elemento O, Cheung JW. Population-Level Prevalence of Rare Variants Associated With Atrial Fibrillation and its Impact on Patient Outcomes. JACC Clin Electrophysiol 2023; 9:1137-1146. [PMID: 36669898 DOI: 10.1016/j.jacep.2022.11.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 01/20/2023]
Abstract
BACKGROUND Whole exome sequencing may identify rare pathogenic/likely pathogenic variants (LPVs) that are linked to atrial fibrillation (AF). The impact of LPVs associated with AF on a population level on outcomes is unclear. OBJECTIVES This study sought to examine the association of LPVs with AF and their impact on clinical outcomes using the UK Biobank, a national repository of participants with available whole exome sequencing data. METHODS A total of 200,631 individuals in the UK Biobank were studied. Incident and prevalent AF, comorbidities, and outcomes were identified using self-reported assessments and hospital stay operative, and death registry records. LPVs were determined using arrhythmia and cardiomyopathy gene panels with LOFTEE and ClinVar to predict variants of functional significance. RESULTS Compared with control subjects, there was a modestly increased prevalence of LPVs among 9,585 patients with AF (2.0% vs 1.7%, respectively; P = 0.01). Among those with prevalent AF at <45 years of age, 4.2% were LPV carriers. LPVs in TTN and PKP2 were associated with AF with adjusted odds ratios of 2.69 (95% CI: 1.57-4.61) and 2.69 (95% CI: 1.54-4.68), respectively. There was no significant difference in combined ischemic stroke, heart failure hospitalization, and mortality among patients who have AF with and without LPVs (25.1% vs 23.8%; P = 0.49). Among participants with AF and available cardiac magnetic resonance imaging data, LPV carriers had lower left ventricular ejection fractions than non-LPV carriers (42% vs 52%; P = 0.027). CONCLUSIONS Patients with AF had a modestly increased prevalence of LPVs. Among reference arrhythmia and cardiomyopathy genes, the contribution of rare variants to AF risk at a population level is modest and its impact on outcomes appears to be limited, despite an association of LPVs with reduced left ventricular ejection fraction among patients with AF.
Collapse
Affiliation(s)
- Manjinder S Kandola
- Weill Cornell Cardiovascular Outcomes Research Group, Department of Medicine, Division of Cardiology, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA
| | - Scott Kulm
- Caryl and Israel Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Luke K Kim
- Weill Cornell Cardiovascular Outcomes Research Group, Department of Medicine, Division of Cardiology, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA
| | - Steven M Markowitz
- Weill Cornell Cardiovascular Outcomes Research Group, Department of Medicine, Division of Cardiology, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA
| | - Christopher F Liu
- Weill Cornell Cardiovascular Outcomes Research Group, Department of Medicine, Division of Cardiology, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA
| | - George Thomas
- Weill Cornell Cardiovascular Outcomes Research Group, Department of Medicine, Division of Cardiology, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA
| | - James E Ip
- Weill Cornell Cardiovascular Outcomes Research Group, Department of Medicine, Division of Cardiology, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA
| | - Bruce B Lerman
- Weill Cornell Cardiovascular Outcomes Research Group, Department of Medicine, Division of Cardiology, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA
| | - Olivier Elemento
- Caryl and Israel Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Jim W Cheung
- Weill Cornell Cardiovascular Outcomes Research Group, Department of Medicine, Division of Cardiology, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA.
| |
Collapse
|
5
|
Luo Y, Ferrada MA, Sikora KA, Rankin C, Alessi H, Kastner DL, Deng Z, Zhang M, Merkel PA, Kraus VB, Allen AS, Grayson PC. Ultra-Rare Genetic Variation in Relapsing Polychondritis: A Whole-Exome Sequencing Study. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.04.10.23288250. [PMID: 37292664 PMCID: PMC10246166 DOI: 10.1101/2023.04.10.23288250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Objective Relapsing polychondritis (RP) is a systemic inflammatory disease of unknown etiology. The study objective was to examine the contribution of rare genetic variations in RP. Methods We performed a case-control exome-wide rare variant association analysis including 66 unrelated European American RP cases and 2923 healthy controls. Gene-level collapsing analysis was performed using Firth's logistics regression. Pathway analysis was performed on an exploratory basis with three different methods: Gene Set Enrichment Analysis (GSEA), sequence kernel association test (SKAT) and higher criticism test. Plasma DCBLD2 levels were measured in patients with RP and healthy controls using enzyme-linked immunosorbent assay (ELISA). Results In the collapsing analysis, RP was associated with higher burden of ultra-rare damaging variants in the DCBLD2 gene (7.6% vs 0.1%, unadjusted odds ratio = 79.8, p = 2.93 × 10-7). Patients with RP and ultra-rare damaging variants in DCBLD2 had a higher prevalence of cardiovascular manifestations. Plasma DCBLD2 protein levels were significantly higher in RP than healthy controls (5.9 vs 2.3, p < 0.001). Pathway analysis showed statistically significant enrichment of genes in the tumor necrosis factor (TNF) signaling pathway driven by rare damaging variants in RELB, RELA and REL using higher criticism test weighted by degree and eigenvector centrality. Conclusions This study identified specific rare variants in DCBLD2 as putative genetic risk factors for RP. Genetic variation within the TNF pathway is also potentially associated with development of RP. These findings should be validated in additional patients with RP and supported by future functional experiments.
Collapse
Affiliation(s)
- Yiming Luo
- Division of Rheumatology, Department of Medicine, Columbia University Irving Medical Center, New York, NY
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| | - Marcela A. Ferrada
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| | - Keith A. Sikora
- Pediatric Translational Research Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| | - Cameron Rankin
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| | - Hugh Alessi
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| | - Daniel L. Kastner
- Metabolic, Cardiovascular and Inflammatory Disease Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD
| | - Zuoming Deng
- Biodata Mining and Discovery Section, Office of Science and Technology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| | - Mengqi Zhang
- Biostatistics and Research Decision Sciences, Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Peter A. Merkel
- Division of Rheumatology, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Virginia B. Kraus
- Division of Rheumatology, Department of Medicine, Duke University School of Medicine, Durham, NC
| | - Andrew S. Allen
- Division of Integrative Genomics, Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC
| | - Peter C. Grayson
- Vasculitis Translational Research Program, Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| |
Collapse
|
6
|
Wei SJ, Du JL, Wang YB, Qu PF, Ma L, Sun ZC, Tang X, Liu K, Xi YM, Nie SJ, Jia PL, Long W, Qu YQ, Li YH, Lei PP. Whole exome sequencing with a focus on cardiac disease-associated genes in families of sudden unexplained deaths in Yunnan, southwest of China. BMC Genomics 2023; 24:57. [PMID: 36721086 PMCID: PMC9890689 DOI: 10.1186/s12864-022-09097-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 12/22/2022] [Indexed: 02/02/2023] Open
Abstract
OBJECTIVES To explore the causes of sudden unexpected death (SUD) and to search for high-risk people, whole exome sequencing (WES) was performed in families with SUDs. METHODS: Whole exome sequencing of 25 people from 14 SUD families were screened based on cardiac disease-associated gene variants, and their echocardiograms and electrocardiograms (ECG) were also examined. The protein function of mutated genes was predicted by SIFT, PolyPhen2 and Mutation Assessor. RESULTS In the group of 25 people from 14 SUD families, 49 single nucleotide variants (SNVs) of cardiac disease-associated genes were found and verified by Sanger sequencing. 29 SNVs of 14 cardiac disorder-related genes were predicted as pathogens by software. Among them, 7 SNVs carried by two or more members were found in 5 families, including SCN5A (c.3577C > T), IRX4 (c.230A > G), LDB3 (c.2104 T > G), MYH6 (c.3G > A), MYH6 (c.3928 T > C), TTN (c.80987C > T) and TTN (c.8069C > T). 25 ECGs were collected. In summary, 4 people had J-point elevation, 2 people had long QT syndrome (LQTS), 4 people had prolonged QT interval, 3 people had T-wave changes, 3 people had sinus tachycardia, 4 people had sinus bradycardia, 4 people had left side of QRS electrical axis, and 3 people had P wave broadening. Echocardiographic results showed that 1 person had atrial septal defect, 1 person had tricuspid regurgitation, and 2 people had left ventricular diastolic dysfunction. CONCLUSIONS Of the 14 heart disease-associated genes in 14 SUDs families, there are 7 possible pathological SNVS may be associated with SUDs. Our results indicate that people with ECG abnormalities, such as prolonged QT interval, ST segment changes, T-wave change and carrying the above 7 SNVs, should be the focus of prevention of sudden death.
Collapse
Affiliation(s)
- Si-Jie Wei
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| | - Jin-Liang Du
- grid.449428.70000 0004 1797 7280Forensic Science Center of Jining Medical University, Jining, Shandong 272000 People’s Republic of China
| | - Yue-Bing Wang
- Yunnan Institute of Endemic Disease Control and Prevention, Dali, 671000 Yunnan Province China
| | - Peng-Fei Qu
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China ,grid.11135.370000 0001 2256 9319School of Basic Medicine, Peking University Health Science Center, Beijing, 100191 China
| | - Lin Ma
- Yunnan Institute of Endemic Disease Control and Prevention, Dali, 671000 Yunnan Province China
| | - Zhong-Chun Sun
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| | - Xue Tang
- Yunnan Institute of Endemic Disease Control and Prevention, Dali, 671000 Yunnan Province China
| | - Kai Liu
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| | - Yan-Mei Xi
- Yunnan Institute of Endemic Disease Control and Prevention, Dali, 671000 Yunnan Province China
| | - Sheng-Jie Nie
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| | - Peng-Lin Jia
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| | - Wu Long
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| | - Yong-Qiang Qu
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| | - Yu-Hua Li
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| | - Pu-Ping Lei
- grid.285847.40000 0000 9588 0960Department of Forensic Medicine, Kunming Medical University, Kunming, 650500 Yunnan Province China
| |
Collapse
|
7
|
Manoharan A, Sambandam R, Ballambattu VB. Genetics of atrial fibrillation-an update of recent findings. Mol Biol Rep 2022; 49:8121-8129. [PMID: 35587846 DOI: 10.1007/s11033-022-07420-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 03/24/2022] [Indexed: 10/18/2022]
Abstract
Atrial fibrillation (AF) is a common cardiac arrhythmia and a major risk factor for stroke, heart failure, and premature death. AF has a strong genetic predisposition. This review highlights the recent findings on the genetics of AF from genome-wide association studies (GWAS) and high-throughput sequencing studies. The consensus from GWAS implies that AF is both polygenic and pleiotropic in nature. With the advent of whole-genome sequencing and whole-exome sequencing, rare variants associated with AF pathogenesis have been identified. The recent studies have contributed towards better understanding of AF pathogenesis.
Collapse
Affiliation(s)
- Aarthi Manoharan
- Multi-Disciplinary Center for Biomedical Research, Vinayaka Mission's Research Foundation, Aarupadai Veedu Medical College and Hospital, Puducherry, 607402, India
| | - Ravikumar Sambandam
- Multi-Disciplinary Center for Biomedical Research, Vinayaka Mission's Research Foundation, Aarupadai Veedu Medical College and Hospital, Puducherry, 607402, India.
| | - Vishnu Bhat Ballambattu
- Multi-Disciplinary Center for Biomedical Research, Vinayaka Mission's Research Foundation, Aarupadai Veedu Medical College and Hospital, Puducherry, 607402, India
| |
Collapse
|
8
|
Gauvrit S, Bossaer J, Lee J, Collins MM. Modeling Human Cardiac Arrhythmias: Insights from Zebrafish. J Cardiovasc Dev Dis 2022; 9:jcdd9010013. [PMID: 35050223 PMCID: PMC8779270 DOI: 10.3390/jcdd9010013] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 12/23/2021] [Accepted: 12/25/2021] [Indexed: 12/13/2022] Open
Abstract
Cardiac arrhythmia, or irregular heart rhythm, is associated with morbidity and mortality and is described as one of the most important future public health challenges. Therefore, developing new models of cardiac arrhythmia is critical for understanding disease mechanisms, determining genetic underpinnings, and developing new therapeutic strategies. In the last few decades, the zebrafish has emerged as an attractive model to reproduce in vivo human cardiac pathologies, including arrhythmias. Here, we highlight the contribution of zebrafish to the field and discuss the available cardiac arrhythmia models. Further, we outline techniques to assess potential heart rhythm defects in larval and adult zebrafish. As genetic tools in zebrafish continue to bloom, this model will be crucial for functional genomics studies and to develop personalized anti-arrhythmic therapies.
Collapse
|
9
|
Börschel CS, Ohlrogge AH, Geelhoed B, Niiranen T, Havulinna AS, Palosaari T, Jousilahti P, Rienstra M, van der Harst P, Blankenberg S, Zeller T, Salomaa V, Schnabel RB. Risk prediction of atrial fibrillation in the community combining biomarkers and genetics. Europace 2021; 23:674-681. [PMID: 33458771 PMCID: PMC8139818 DOI: 10.1093/europace/euaa334] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 10/08/2020] [Indexed: 12/17/2022] Open
Abstract
AIMS Classical cardiovascular risk factors (CVRFs), biomarkers, and common genetic variation have been suggested for risk assessment of atrial fibrillation (AF). To evaluate their clinical potential, we analysed their individual and combined ability of AF prediction. METHODS AND RESULTS In N = 6945 individuals of the FINRISK 1997 cohort, we assessed the predictive value of CVRF, N-terminal pro B-type natriuretic peptide (NT-proBNP), and 145 recently identified single-nucleotide polymorphisms (SNPs) combined in a developed polygenic risk score (PRS) for incident AF. Over a median follow-up of 17.8 years, n = 551 participants (7.9%) developed AF. In multivariable-adjusted Cox proportional hazard models, NT-proBNP [hazard ratio (HR) of log transformed values 4.77; 95% confidence interval (CI) 3.66-6.22; P < 0.001] and the PRS (HR 2.18; 95% CI 1.88-2.53; P < 0.001) were significantly related to incident AF. The discriminatory ability improved asymptotically with increasing numbers of SNPs. Compared with a clinical model, AF risk prediction was significantly improved by addition of NT-proBNP and the PRS. The C-statistic for the combination of CVRF, NT-proBNP, and the PRS reached 0.83 compared with 0.79 for CVRF only (P < 0.001). A replication in the Dutch Prevention of REnal and Vascular ENd-stage Disease (PREVEND) cohort revealed similar results. Comparing the highest vs. lowest quartile, NT-proBNP and the PRS both showed a more than three-fold increased AF risk. Age remained the strongest risk factor with a 16.7-fold increased risk of AF in the highest quartile. CONCLUSION The PRS and the established biomarker NT-proBNP showed comparable predictive ability. Both provided incremental predictive value over standard clinical variables. Further improvements for the PRS are likely with the discovery of additional SNPs.
Collapse
Affiliation(s)
- Christin S Börschel
- Department of Cardiology, University Heart and Vascular Centre Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany.,German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, 20246 Hamburg, Germany
| | - Amelie H Ohlrogge
- Department of Cardiology, University Heart and Vascular Centre Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Bastiaan Geelhoed
- Department of Cardiology, University Heart and Vascular Centre Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany.,German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, 20246 Hamburg, Germany
| | - Teemu Niiranen
- Department of Medicine, Turku University Hospital and University of Turku, Turku 20014, Finland
| | - Aki S Havulinna
- Department of Medicine, Turku University Hospital and University of Turku, Turku 20014, Finland.,Institute for Molecular Medicine Finland (FIMM), 00290 Helsinki, Finland
| | - Tarja Palosaari
- Department of Medicine, Turku University Hospital and University of Turku, Turku 20014, Finland
| | - Pekka Jousilahti
- Department of Medicine, Turku University Hospital and University of Turku, Turku 20014, Finland
| | - Michiel Rienstra
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, 9700RB Groningen, The Netherlands
| | - Pim van der Harst
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, 9700RB Groningen, The Netherlands
| | - Stefan Blankenberg
- Department of Cardiology, University Heart and Vascular Centre Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany.,German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, 20246 Hamburg, Germany
| | - Tanja Zeller
- Department of Cardiology, University Heart and Vascular Centre Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany.,German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, 20246 Hamburg, Germany
| | - Veikko Salomaa
- Department of Medicine, Turku University Hospital and University of Turku, Turku 20014, Finland
| | - Renate B Schnabel
- Department of Cardiology, University Heart and Vascular Centre Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany.,German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, 20246 Hamburg, Germany
| |
Collapse
|
10
|
Kornej J, Hanger VA, Trinquart L, Ko D, Preis SR, Benjamin EJ, Lin H. New biomarkers from multiomics approaches: improving risk prediction of atrial fibrillation. Cardiovasc Res 2021; 117:1632-1644. [PMID: 33751041 PMCID: PMC8208748 DOI: 10.1093/cvr/cvab073] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/07/2021] [Accepted: 03/03/2021] [Indexed: 12/13/2022] Open
Abstract
Atrial fibrillation (AF) is a common cardiac arrhythmia leading to many adverse outcomes and increased mortality. Yet the molecular mechanisms underlying AF remain largely unknown. Recent advances in high-throughput technologies make large-scale molecular profiling possible. In the past decade, multiomics studies of AF have identified a number of potential biomarkers of AF. In this review, we focus on the studies of multiomics profiles with AF risk. We summarize recent advances in the discovery of novel biomarkers for AF through multiomics studies. We also discuss limitations and future directions in risk assessment and discovery of therapeutic targets for AF.
Collapse
Affiliation(s)
- Jelena Kornej
- National Heart, Lung, and Blood Institute’s Framingham Heart Study, 73 Mt Wayte Ave, Framingham, MA 01702, USA
- Section of Cardiovascular Medicine, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | | | - Ludovic Trinquart
- Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA
| | - Darae Ko
- Section of Cardiovascular Medicine, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Sarah R Preis
- Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA
| | - Emelia J Benjamin
- National Heart, Lung, and Blood Institute’s Framingham Heart Study, 73 Mt Wayte Ave, Framingham, MA 01702, USA
- Section of Cardiovascular Medicine, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
- Section of Preventive Medicine & Epidemiology, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Honghuang Lin
- National Heart, Lung, and Blood Institute’s Framingham Heart Study, 73 Mt Wayte Ave, Framingham, MA 01702, USA
- Section of Computational Biomedicine, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| |
Collapse
|
11
|
Victorino J, Alvarez-Franco A, Manzanares M. Functional genomics and epigenomics of atrial fibrillation. J Mol Cell Cardiol 2021; 157:45-55. [PMID: 33887329 DOI: 10.1016/j.yjmcc.2021.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 04/07/2021] [Accepted: 04/12/2021] [Indexed: 02/06/2023]
Abstract
Atrial fibrillation is a progressive cardiac arrhythmia that increases the risk of hospitalization and adverse cardiovascular events. Despite years of study, we still do not have a full comprehension of the molecular mechanism responsible for the disease. The recent implementation of large-scale approaches in both patient samples, population studies and animal models has helped us to broaden our knowledge on the molecular drivers responsible for AF and on the mechanisms behind disease progression. Understanding genomic and epigenomic changes that take place during chronification of AF will prove essential to design novel treatments leading to improved patient care.
Collapse
Affiliation(s)
- Jesus Victorino
- Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain; Departamento de Bioquímica, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Spain
| | - Alba Alvarez-Franco
- Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Miguel Manzanares
- Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain; Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Madrid, Spain.
| |
Collapse
|
12
|
Clausen AG, Vad OB, Andersen JH, Olesen MS. Loss-of-Function Variants in the SYNPO2L Gene Are Associated With Atrial Fibrillation. Front Cardiovasc Med 2021; 8:650667. [PMID: 33768119 PMCID: PMC7985167 DOI: 10.3389/fcvm.2021.650667] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/18/2021] [Indexed: 11/21/2022] Open
Abstract
Multiple genome-wide association studies (GWAS) have identified numerous loci associated with atrial fibrillation (AF). However, the genes driving these associations and how they contribute to the AF pathogenesis remains poorly understood. To identify genes likely to be driving the observed association, we searched the FinnGen study consisting of 12,859 AF cases and 73,341 controls for rare genetic variants predicted to cause loss-of-function. A specific splice site variant was found in the SYNPO2L gene, located in an AF associated locus on chromosome 10. This variant was associated with an increased risk of AF with a relatively high odds ratio of 3.5 (p = 9.9 × 10-8). SYNPO2L is an important gene involved in the structural development and function of the cardiac myocyte and our findings thus support the recent suggestions that AF can present as atrial cardiomyopathy.
Collapse
Affiliation(s)
- Alexander Guldmann Clausen
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Oliver Bundgaard Vad
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Julie Husted Andersen
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Morten Salling Olesen
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Laboratory for Molecular Cardiology, Department of Cardiology, The Heart Centre, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| |
Collapse
|
13
|
Zhang J, Johnsen SP, Guo Y, Lip GYH. Epidemiology of Atrial Fibrillation: Geographic/Ecological Risk Factors, Age, Sex, Genetics. Card Electrophysiol Clin 2021; 13:1-23. [PMID: 33516388 DOI: 10.1016/j.ccep.2020.10.010] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Atrial fibrillation is the most common arrhythmia globally. The global prevalence of atrial fibrillation is positively correlated with the sociodemographic index of different regions. Advancing age, male sex, and Caucasian race are risk factors; female sex is correlated with higher atrial fibrillation mortality worldwide likely owing to thromboembolic risk. African American ethnicity is associated with lower atrial fibrillation risk, same as Asian and Hispanic/Latino ethnicities compared with Caucasians. Atrial fibrillation may be heritable, and more than 100 genetic loci have been identified. A polygenic risk score and clinical risk factors are feasible and effective in risk stratification of incident disease.
Collapse
Affiliation(s)
- Juqian Zhang
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart and Chest Hospital, Liverpool, L14 3PE, UK
| | - Søren Paaske Johnsen
- Department of Clinical Medicine, Aalborg University, Søndre Skovvej 15, Aalborg, Aalborg 9000, Denmark
| | - Yutao Guo
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart and Chest Hospital, Liverpool, L14 3PE, UK; Department of Cardiology, Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart and Chest Hospital, Liverpool, L14 3PE, UK; Department of Clinical Medicine, Aalborg University, Søndre Skovvej 15, Aalborg, Aalborg 9000, Denmark; Department of Cardiology, Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China.
| |
Collapse
|
14
|
Xu C, Zhang R, Xia Y, Xiong L, Yang W, Wang P. Annotation of susceptibility SNPs associated with atrial fibrillation. Aging (Albany NY) 2020; 12:16981-16998. [PMID: 32902410 PMCID: PMC7521544 DOI: 10.18632/aging.103615] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 06/18/2020] [Indexed: 01/24/2023]
Abstract
OBJECTIVE Genome-wide association studies (GWAS) and the candidate gene based association studies have identified a panel of variants associated with atrial fibrillation (AF), however, most of the identified single nucleotide polymorphisms (SNPs) were found located within intergenic or intronic genomic regions, and whether the positive SNPs have a real biological function is unknown, and the real disease causing gene need to be studied. RESULTS The current results of the genetic studies including common variants identified by GWAS (338 index SNPs) and candidate gene based association studies (40 SNPs) were summarized. CONCLUSION Our study suggests the relationship between genetic variants and possible targeted genes, and provides insight into potential genetic pathways underlying AF incidence and development. The results may provide an encyclopedia of AF susceptibility SNPs and shed light on the functional mechanisms of AF variants identified through genetic studies. METHODS We summarized AF susceptibility SNPs identified by GWAS and candidate gene based association studies, and give a comprehensive functional annotation of all these AF susceptibility loci. by genomic annotation, microRNA binding prediction, promoter activity analysis, enhancer activity analysis, transcription factors binding activity prediction, expression quantitative trait loci (eQTL) analysis, long-range transcriptional regulatory function analysis, gene ontology and pathway enrichment analysis.
Collapse
Affiliation(s)
- Chengqi Xu
- College of Life Science and Technology, Center for Human Genome Research and Cardio-X Institute, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Rongfeng Zhang
- Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, P. R. China
| | - Yunlong Xia
- Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, P. R. China
| | - Liang Xiong
- Department of Clinical Laboratory, Liyuan Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430077, P. R. China
| | - Wei Yang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Pengyun Wang
- Department of Clinical Laboratory, Liyuan Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430077, P. R. China
| |
Collapse
|
15
|
Huang X, Li Y, Zhang J, Wang X, Li Z, Li G. The molecular genetic basis of atrial fibrillation. Hum Genet 2020; 139:1485-1498. [PMID: 32617797 DOI: 10.1007/s00439-020-02203-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 06/26/2020] [Indexed: 12/15/2022]
Abstract
As the most common cardiac arrhythmia, atrial fibrillation (AF) is a major risk factor for stroke, heart failure, and premature death with considerable associated costs. However, no available treatment options have optimal benefit-harm profiles currently, reflecting an incomplete understanding of the biological mechanisms underlying this complex arrhythmia. Recently, molecular epidemiological studies, especially genome-wide association studies, have emphasized the substantial genetic component of AF etiology. A comprehensive mapping of the genetic underpinnings for AF can expand our knowledge of AF mechanism and further facilitate the process of locating novel therapeutics for AF. Here we provide a state-of-the-art review of the molecular genetics of AF incorporating evidence from linkage analysis and candidate gene, as well as genome-wide association studies of common variations and rare copy number variations; potential epigenetic modifications (e.g., DNA methylation, histone modification, and non-coding RNAs) are also involved. We also outline the challenges in mechanism investigation and potential future directions in this article.
Collapse
Affiliation(s)
- Xin Huang
- Center for Clinical Epidemiology and Methodology (CCEM), Guangdong Second Provincial General Hospital, 466 Newport Middle Road, Haizhu District, Guangzhou, 510317, Guangdong, China
| | - Yuhui Li
- Department of Cardiology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Junguo Zhang
- Center for Clinical Epidemiology and Methodology (CCEM), Guangdong Second Provincial General Hospital, 466 Newport Middle Road, Haizhu District, Guangzhou, 510317, Guangdong, China
| | - Xiaojie Wang
- Center for Clinical Epidemiology and Methodology (CCEM), Guangdong Second Provincial General Hospital, 466 Newport Middle Road, Haizhu District, Guangzhou, 510317, Guangdong, China
| | - Ziyi Li
- Center for Clinical Epidemiology and Methodology (CCEM), Guangdong Second Provincial General Hospital, 466 Newport Middle Road, Haizhu District, Guangzhou, 510317, Guangdong, China
| | - Guowei Li
- Center for Clinical Epidemiology and Methodology (CCEM), Guangdong Second Provincial General Hospital, 466 Newport Middle Road, Haizhu District, Guangzhou, 510317, Guangdong, China. .,Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University Hamilton, 1280 Main St West, Hamilton, ON, L8S 4L8, Canada.
| |
Collapse
|
16
|
Villar D, Frost S, Deloukas P, Tinker A. The contribution of non-coding regulatory elements to cardiovascular disease. Open Biol 2020; 10:200088. [PMID: 32603637 PMCID: PMC7574544 DOI: 10.1098/rsob.200088] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 06/08/2020] [Indexed: 12/17/2022] Open
Abstract
Cardiovascular disease collectively accounts for a quarter of deaths worldwide. Genome-wide association studies across a range of cardiovascular traits and pathologies have highlighted the prevalence of common non-coding genetic variants within candidate loci. Here, we review genetic, epigenomic and molecular approaches to investigate the contribution of non-coding regulatory elements in cardiovascular biology. We then discuss recent insights on the emerging role of non-coding variation in predisposition to cardiovascular disease, with a focus on novel mechanistic examples from functional genomics studies. Lastly, we consider the clinical significance of these findings at present, and some of the current challenges facing the field.
Collapse
Affiliation(s)
- Diego Villar
- Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, UK
| | - Stephanie Frost
- Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, UK
| | - Panos Deloukas
- William Harvey Research Institute, Heart Centre, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - Andrew Tinker
- William Harvey Research Institute, Heart Centre, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| |
Collapse
|
17
|
Coban-Akdemir ZH, Charng WL, Azamian M, Paine IS, Punetha J, Grochowski CM, Gambin T, Valdes S, Cannon B, Zapata G, Hernandez PP, Jhangiani S, Doddapaneni H, Hu J, Boricha F, Muzny DM, Boerwinkle E, Yang Y, Gibbs RA, Posey JE, Wehrens XH, Belmont JW, Kim JJ, Miyake CY, Lupski JR, Lalani SR. Wolff-Parkinson-White syndrome: De novo variants and evidence for mutational burden in genes associated with atrial fibrillation. Am J Med Genet A 2020; 182:1387-1399. [PMID: 32233023 PMCID: PMC7275694 DOI: 10.1002/ajmg.a.61571] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/17/2020] [Accepted: 03/09/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Wolff-Parkinson-White (WPW) syndrome is a relatively common arrhythmia affecting ~1-3/1,000 individuals. Mutations in PRKAG2 have been described in rare patients in association with cardiomyopathy. However, the genetic basis of WPW in individuals with a structurally normal heart remains poorly understood. Sudden death due to atrial fibrillation (AF) can also occur in these individuals. Several studies have indicated that despite ablation of an accessory pathway, the risk of AF remains high in patients compared to general population. METHODS We applied exome sequencing in 305 subjects, including 65 trios, 80 singletons, and 6 multiple affected families. We used de novo analysis, candidate gene approach, and burden testing to explore the genetic contributions to WPW. RESULTS A heterozygous deleterious variant in PRKAG2 was identified in one subject, accounting for 0.6% (1/151) of the genetic basis of WPW in this study. Another individual with WPW and left ventricular hypertrophy carried a known pathogenic variant in MYH7. We found rare de novo variants in genes associated with arrhythmia and cardiomyopathy (ANK2, NEBL, PITX2, and PRDM16) in this cohort. There was an increased burden of rare deleterious variants (MAF ≤ 0.005) with CADD score ≥ 25 in genes linked to AF in cases compared to controls (P = .0023). CONCLUSIONS Our findings show an increased burden of rare deleterious variants in genes linked to AF in WPW syndrome, suggesting that genetic factors that determine the development of accessory pathways may be linked to an increased susceptibility of atrial muscle to AF in a subset of patients.
Collapse
Affiliation(s)
- Zeynep H. Coban-Akdemir
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- These authors contributed equally to the work
| | - Wu-Lin Charng
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Current affiliation: Department of Neurology, Washington University School of Medicine, St. Louis, Missouri
- These authors contributed equally to the work
| | - Mahshid Azamian
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Ingrid Sophie Paine
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Jaya Punetha
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | | | - Tomasz Gambin
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Current affiliation: Institute of Computer Science, Warsaw University of Technology, Warsaw, Poland
| | - Santiago Valdes
- Department of Pediatrics, Division of Cardiology, Texas Children’s Hospital, Houston, Texas
| | - Bryan Cannon
- Department of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota
| | - Gladys Zapata
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Patricia P. Hernandez
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Shalini Jhangiani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
| | - Harsha Doddapaneni
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
| | - Jianhong Hu
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
| | - Fatima Boricha
- Department of Pediatrics, the University of Texas Health Science Center at Houston, Houston, Texas
| | - Donna M. Muzny
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
| | - Eric Boerwinkle
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
- Human Genetics Center, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Yaping Yang
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Baylor Genetics Laboratories, Baylor College of Medicine, Houston, Texas
| | - Richard A. Gibbs
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
| | - Jennifer E. Posey
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Xander H.T. Wehrens
- Department of Pediatrics, Division of Cardiology, Texas Children’s Hospital, Houston, Texas
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, Texas
- Cardiovascular Research Institute, Baylor College of Medicine, Houston, Texas
| | - John W. Belmont
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Department of Pediatrics, Division of Cardiology, Texas Children’s Hospital, Houston, Texas
| | - Jeffrey J. Kim
- Department of Pediatrics, Division of Cardiology, Texas Children’s Hospital, Houston, Texas
| | - Christina Y. Miyake
- Department of Pediatrics, Division of Cardiology, Texas Children’s Hospital, Houston, Texas
| | - James R. Lupski
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
- Department of Pediatrics, Texas Children’s Hospital, Houston, Texas
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
| | - Seema R. Lalani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
| |
Collapse
|
18
|
Wang B, Lunetta KL, Dupuis J, Lubitz SA, Trinquart L, Yao L, Ellinor PT, Benjamin EJ, Lin H. Integrative Omics Approach to Identifying Genes Associated With Atrial Fibrillation. Circ Res 2019; 126:350-360. [PMID: 31801406 DOI: 10.1161/circresaha.119.315179] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Rationale: GWAS (Genome-Wide Association Studies) have identified hundreds of genetic loci associated with atrial fibrillation (AF). However, these loci explain only a small proportion of AF heritability. Objective: To develop an approach to identify additional AF-related genes by integrating multiple omics data. Methods and Results: Three types of omics data were integrated: (1) summary statistics from the AFGen 2017 GWAS; (2) a whole blood EWAS (Epigenome-Wide Association Study) of AF; and (3) a whole blood TWAS (Transcriptome-Wide Association Study) of AF. The variant-level GWAS results were collapsed into gene-level associations using fast set-based association analysis. The CpG-level EWAS results were also collapsed into gene-level associations by an adapted SNP-set Kernel Association Test approach. Both GWAS and EWAS gene-based associations were then meta-analyzed with TWAS using a fixed-effects model weighted by the sample size of each data set. A tissue-specific network was subsequently constructed using the NetWAS (Network-Wide Association Study). The identified genes were then compared with the AFGen 2018 GWAS that contained more than triple the number of AF cases compared with AFGen 2017 GWAS. We observed that the multiomics approach identified many more relevant AF-related genes than using AFGen 2018 GWAS alone (1931 versus 206 genes). Many of these genes are involved in the development and regulation of heart- and muscle-related biological processes. Moreover, the gene set identified by multiomics approach explained much more AF variance than those identified by GWAS alone (10.4% versus 3.5%). Conclusions: We developed a strategy to integrate multiple omics data to identify AF-related genes. Our integrative approach may be useful to improve the power of traditional GWAS, which might be particularly useful for rare traits and diseases with limited sample size.
Collapse
Affiliation(s)
- Biqi Wang
- From the Department of Biostatistics (B.W., K.L.L., J.D., L.T.), Boston University School of Public Health, MA
| | - Kathryn L Lunetta
- From the Department of Biostatistics (B.W., K.L.L., J.D., L.T.), Boston University School of Public Health, MA.,Boston University and National Heart, Lung and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., L.T., E.J.B., H.L.)
| | - Josée Dupuis
- From the Department of Biostatistics (B.W., K.L.L., J.D., L.T.), Boston University School of Public Health, MA.,Boston University and National Heart, Lung and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., L.T., E.J.B., H.L.)
| | - Steven A Lubitz
- Department of Epidemiology (E.J.B.), Boston University School of Public Health, MA.,Boston University and National Heart, Lung and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., L.T., E.J.B., H.L.).,Cardiac Arrhythmia Service (S.A.L., P.T.E.), Massachusetts General Hospital, Boston.,Program in Medical and Population Genetics, The Broad Institute of Harvard and MIT, Cambridge, MA (S.A.L., P.T.E.)
| | - Ludovic Trinquart
- From the Department of Biostatistics (B.W., K.L.L., J.D., L.T.), Boston University School of Public Health, MA.,Boston University and National Heart, Lung and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., L.T., E.J.B., H.L.)
| | - Lixia Yao
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN (L.Y.), Boston University School of Medicine, MA
| | - Patrick T Ellinor
- Boston University and National Heart, Lung and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., L.T., E.J.B., H.L.).,Cardiovascular Research Center (S.A.L., P.T.E.), Massachusetts General Hospital, Boston.,Cardiac Arrhythmia Service (S.A.L., P.T.E.), Massachusetts General Hospital, Boston.,Program in Medical and Population Genetics, The Broad Institute of Harvard and MIT, Cambridge, MA (S.A.L., P.T.E.)
| | - Emelia J Benjamin
- Department of Epidemiology (E.J.B.), Boston University School of Public Health, MA.,Boston University and National Heart, Lung and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., L.T., E.J.B., H.L.).,Department of Medicine, Sections of Preventive Medicine and Cardiovascular Medicine (E.J.B.), Boston University School of Medicine, MA
| | - Honghuang Lin
- Boston University and National Heart, Lung and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., L.T., E.J.B., H.L.).,Department of Medicine, Section of Computational Biomedicine (H.L.), Boston University School of Medicine, MA
| |
Collapse
|
19
|
Choi SH, Jurgens SJ, Weng LC, Pirruccello JP, Roselli C, Chaffin M, Lee CJY, Hall AW, Khera AV, Lunetta KL, Lubitz SA, Ellinor PT. Monogenic and Polygenic Contributions to Atrial Fibrillation Risk: Results From a National Biobank. Circ Res 2019; 126:200-209. [PMID: 31691645 DOI: 10.1161/circresaha.119.315686] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
RATIONALE Genome-wide association studies have identified over 100 genetic loci for atrial fibrillation (AF); recent work described an association between loss-of-function (LOF) variants in TTN and early-onset AF. OBJECTIVE We sought to determine the contribution of rare and common genetic variation to AF risk in the general population. METHODS The UK Biobank is a population-based study of 500 000 individuals including a subset with genome-wide genotyping and exome sequencing. In this case-control study, we included AF cases and controls of genetically determined white-European ancestry; analyses were performed using a logistic mixed-effects model adjusting for age, sex, the first 4 principal components of ancestry, empirical relationships, and case-control imbalance. An exome-wide, gene-based burden analysis was performed to examine the relationship between AF and rare, high-confidence LOF variants in genes with ≥10 LOF carriers. A polygenic risk score for AF was estimated using the LDpred algorithm. We then compared the contribution of AF polygenic risk score and LOF variants to AF risk. RESULTS The study included 1546 AF cases and 41 593 controls. In an analysis of 9099 genes with sufficient LOF variant carriers, a significant association between AF and rare LOF variants was observed in a single gene, TTN (odds ratio, 2.71, P=2.50×10-8). The association with AF was more significant (odds ratio, 6.15, P=3.26×10-14) when restricting to LOF variants located in exons highly expressed in cardiac tissue (TTNLOF). Overall, 0.44% of individuals carried TTNLOF variants, of whom 14% had AF. Among individuals in the highest 0.44% of the AF polygenic risk score only 9.3% had AF. In contrast, the AF polygenic risk score explained 4.7% of the variance in AF susceptibility, while TTNLOF variants only accounted for 0.2%. CONCLUSIONS Both monogenic and polygenic factors contribute to AF risk in the general population. While rare TTNLOF variants confer a substantial AF penetrance, the additive effect of many common variants explains a larger proportion of genetic susceptibility to AF.
Collapse
Affiliation(s)
- Seung Hoan Choi
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.)
| | - Sean J Jurgens
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.)
| | - Lu-Chen Weng
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.).,Cardiovascular Research Center, Massachusetts General Hospital, Boston (L.-C.W., A.W.H., S.A.L., P.T.E.)
| | - James P Pirruccello
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.)
| | - Carolina Roselli
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.)
| | - Mark Chaffin
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.)
| | - Christina J-Y Lee
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.)
| | - Amelia W Hall
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.).,Cardiovascular Research Center, Massachusetts General Hospital, Boston (L.-C.W., A.W.H., S.A.L., P.T.E.)
| | - Amit V Khera
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.)
| | - Kathryn L Lunetta
- NHLBI and Boston University's Framingham Heart Study, Framingham, MA (K.L.L.).,Department of Biostatistics, Boston University School of Public Health, MA (K.L.L.)
| | - Steven A Lubitz
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.).,Cardiovascular Research Center, Massachusetts General Hospital, Boston (L.-C.W., A.W.H., S.A.L., P.T.E.)
| | - Patrick T Ellinor
- From the Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard, Cambridge, MA (S.H.C., S.J.J., L.-C.W., J.P.P., C.R., M.C., C.J.-Y.L., A.W.H., A.V.K., S.A.L., P.T.E.).,Cardiovascular Research Center, Massachusetts General Hospital, Boston (L.-C.W., A.W.H., S.A.L., P.T.E.)
| |
Collapse
|
20
|
Kalstø SM, Siland JE, Rienstra M, Christophersen IE. Atrial Fibrillation Genetics Update: Toward Clinical Implementation. Front Cardiovasc Med 2019; 6:127. [PMID: 31552271 PMCID: PMC6743416 DOI: 10.3389/fcvm.2019.00127] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 08/12/2019] [Indexed: 12/16/2022] Open
Abstract
Atrial fibrillation (AF) is the most common heart rhythm disorder worldwide and may have serious cardiovascular health consequences. AF is associated with increased risk of stroke, dementia, heart failure, and death. There are several known robust, clinical risk predictors for AF, such as male sex, increasing age, and hypertension; however, during the last couple of decades, a substantive genetic component has also been established. Over the last 10 years, the discovery of novel AF-related genetic variants has accelerated, increasing our understanding of mechanisms behind AF. Current studies are focusing on mapping the polygenic structure of AF, improving risk prediction, therapeutic development, and patient-specific management. Nevertheless, it is still difficult for clinicians to interpret the role of genetics in AF prediction and management. Here, we provide an overview of relevant topics within the genetics of AF and attempt to provide some guidance on how to interpret genetic advances and their implementation into clinical decision-making.
Collapse
Affiliation(s)
- Silje Madeleine Kalstø
- Department of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, Rud, Norway
| | - Joylene Elisabeth Siland
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Michiel Rienstra
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Ingrid E Christophersen
- Department of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, Rud, Norway.,The Department of Medical Genetics, Oslo University Hospital, Oslo, Norway
| |
Collapse
|
21
|
Andersson C, Johnson AD, Benjamin EJ, Levy D, Vasan RS. 70-year legacy of the Framingham Heart Study. Nat Rev Cardiol 2019; 16:687-698. [DOI: 10.1038/s41569-019-0202-5] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
|
22
|
Dapas M, Sisk R, Legro RS, Urbanek M, Dunaif A, Hayes MG. Family-based quantitative trait meta-analysis implicates rare noncoding variants in DENND1A in polycystic ovary syndrome. J Clin Endocrinol Metab 2019; 104:3835-3850. [PMID: 31038695 PMCID: PMC6660913 DOI: 10.1210/jc.2018-02496] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 04/17/2019] [Indexed: 02/07/2023]
Abstract
CONTEXT Polycystic ovary syndrome (PCOS) is among the most common endocrine disorders of premenopausal women, affecting 5-15% of this population depending on the diagnostic criteria applied. It is characterized by hyperandrogenism, ovulatory dysfunction and polycystic ovarian morphology. PCOS is highly heritable, but only a small proportion of this heritability can be accounted for by the common genetic susceptibility variants identified to date. OBJECTIVE The objective of this study was to test whether rare genetic variants contribute to PCOS pathogenesis.Design, Patients, and Methods: We performed whole-genome sequencing on DNA from 261 individuals from 62 families with one or more daughters with PCOS. We tested for associations of rare variants with PCOS and its concomitant hormonal traits using a quantitative trait meta-analysis. RESULTS We found rare variants in DENND1A (P=5.31×10-5, Padj=0.039) that were significantly associated with reproductive and metabolic traits in PCOS families. CONCLUSIONS Common variants in DENND1A have previously been associated with PCOS diagnosis in genome-wide association studies. Subsequent studies indicated that DENND1A is an important regulator of human ovarian androgen biosynthesis. Our findings provide additional evidence that DENND1A plays a central role in PCOS and suggest that rare noncoding variants contribute to disease pathogenesis.
Collapse
Affiliation(s)
- Matthew Dapas
- Division of Endocrinology, Metabolism, and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Ryan Sisk
- Division of Endocrinology, Metabolism, and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Richard S Legro
- Department of Obstetrics and Gynecology, Penn State College of Medicine, Hershey, Pennsylvania
| | - Margrit Urbanek
- Division of Endocrinology, Metabolism, and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Center for Reproductive Science, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Andrea Dunaif
- Division of Endocrinology, Diabetes, and Bone Disease, Icahn School of Medicine at Mount Sinai, New York, New York
- Correspondence and Reprint Requests: M. Geoffrey Hayes, PhD, Division of Endocrinology, Metabolism, and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, 303 East Chicago Avenue, Chicago, Illinois 60611. E-mail: ; or Andrea Dunaif, MD, Division of Endocrinology, Diabetes, and Bone Disease, Icahn School of Medicine at Mount Sinai, 5 East 98th Street, 3rd Floor, New York, New York 10029. E-mail:
| | - M Geoffrey Hayes
- Division of Endocrinology, Metabolism, and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Department of Anthropology, Northwestern University, Evanston, Illinois
- Correspondence and Reprint Requests: M. Geoffrey Hayes, PhD, Division of Endocrinology, Metabolism, and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, 303 East Chicago Avenue, Chicago, Illinois 60611. E-mail: ; or Andrea Dunaif, MD, Division of Endocrinology, Diabetes, and Bone Disease, Icahn School of Medicine at Mount Sinai, 5 East 98th Street, 3rd Floor, New York, New York 10029. E-mail:
| |
Collapse
|
23
|
Abstract
PURPOSE OF REVIEW Atrial fibrillation is a common cardiac arrhythmia with a high morbidity and mortality affecting 34 million worldwide. Current therapies are inadequate and often fail to directly address molecular mechanisms of the disease. In this review, we will provide an overview of recent advances in our understanding of the genetic underpinnings of atrial fibrillation. RECENT FINDINGS Large-scale genetic association studies have more than doubled the number of genetic loci associated with atrial fibrillation during the last year. Studies examining how genes at or near these loci can affect the pathogenesis of atrial fibrillation are ongoing in cellular, animal, and computational models. In addition, several recent clinical studies have also demonstrated that variants at these loci can aid in risk stratification of patients. SUMMARY There are now over 30 genetic loci associated with atrial fibrillation. A better understanding of how these loci relate to disease pathogenesis may provide insight into novel therapeutic targets and ultimately lead to improved clinical care.
Collapse
|
24
|
Kinney N, Larsen TR, Kim DM, Varghese RT, Poelzing S, Garner HR, AlMahameed ST. Whole-exome sequencing reveals microsatellite DNA markers for response to dofetilide initiation in patients with persistent atrial fibrillation: A pilot study. Clin Cardiol 2018; 41:849-854. [PMID: 29671888 DOI: 10.1002/clc.22969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 04/08/2018] [Accepted: 04/16/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Dofetilide is a class III antiarrhythmic drug effective for the treatment of atrial fibrillation (AF). Dofetilide initiation (DI) associates with corrected QT interval (QTc) prolongation. Significant QTc prolongation during DI mandates dose adjustment or discontinuation of the drug. Microsatellite DNA are novel genetic markers associated with congenital and acquired health conditions. HYPOTHESIS DNA microsatellite polymorphism may associate with QTc response to dofetilide initiation in patients with persistent AF. METHODS We performed whole-exome sequencing in a cohort of patients with persistent AF undergoing DI. Electrocardiographic variables and clinical data were assessed. We defined patients as eligible for DI when no significant QTc prolongation (>20% compared with baseline) was seen with a 500-μg dose. We defined patients as ineligible for DI when significant QTc prolongation was seen during DI with 500 μg. We investigated polymorphisms for 11 919 DNA microsatellite loci in relation to QTc response to DI. RESULTS During the study, 14 consecutive patients with persistent AF presenting for DI were enrolled. Whole-exome sequencing revealed 14 different microsatellite loci in the 2 groups. All genes or proximal genes that harbor these loci are known to have expression in the human heart. Two genes, MYH6 and TRAK2, are known to have expression in the atria. TRAK2 is known to interact with KCNJ2, the inward-rectifier potassium channel 1. CONCLUSIONS Microsatellite DNA polymorphisms seem to associate with QTc response to DI therapy in patients with persistent AF who are deemed otherwise eligible for dofetilide therapy.
Collapse
Affiliation(s)
- Nick Kinney
- Edward Via College of Osteopathic Medicine, Blacksburg, Virginia
| | - Timothy R Larsen
- Carilion Clinic and Virginia Tech Carilion School of Medicine, Roanoke, Virginia
| | - David M Kim
- Carilion Clinic and Virginia Tech Carilion School of Medicine, Roanoke, Virginia
| | - Robin T Varghese
- Edward Via College of Osteopathic Medicine, Blacksburg, Virginia
| | - Steven Poelzing
- Virginia Tech Carilion Research Institute, and the Center for Heart and Regenerative Medicine, Virginia Polytechnic University, Roanoke, Virginia
| | - Harold R Garner
- Edward Via College of Osteopathic Medicine, Blacksburg, Virginia
- Gibbs Cancer Center and Research Institute, Spartanburg, South Carolina
| | - Soufian T AlMahameed
- Carilion Clinic and Virginia Tech Carilion School of Medicine, Roanoke, Virginia
- MetroHealth Medical Center and Case Western Reserve University, Cleveland, Ohio
| |
Collapse
|
25
|
Hsu J, Gore-Panter S, Tchou G, Castel L, Lovano B, Moravec CS, Pettersson GB, Roselli EE, Gillinov AM, McCurry KR, Smedira NG, Barnard J, Van Wagoner DR, Chung MK, Smith JD. Genetic Control of Left Atrial Gene Expression Yields Insights into the Genetic Susceptibility for Atrial Fibrillation. CIRCULATION. GENOMIC AND PRECISION MEDICINE 2018; 11:e002107. [PMID: 29545482 PMCID: PMC5858469 DOI: 10.1161/circgen.118.002107] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 01/23/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND Genome-wide association studies have identified 23 loci for atrial fibrillation (AF), but the mechanisms responsible for these associations, as well as the causal genes and genetic variants, remain undefined. METHODS To identify the effect of common genetic variants on gene expression that might explain the mechanisms linking genome-wide association loci with AF risk, we performed RNA sequencing of left atrial appendages from a biracial cohort of 265 subjects. RESULTS Combining gene expression data with genome-wide single nucleotide polymorphism data, we found that approximately two-thirds of the expressed genes were regulated in cis by common genetic variants at a false discovery rate of <0.05, defined as cis-expression quantitative trait loci. Twelve of 23 reported AF genome-wide association loci displayed genome-wide significant cis-expression quantitative trait loci, at PRRX1 (chromosome 1q24), SNRNP27 (1q24), CEP68 (2p14), FKBP7 (2q31), KCNN2 (5q22), FAM13B (5q31), CAV1 (7q31), ASAH1 (8p22), MYOZ1 (10q22), C11ORF45 (11q24), TBX5 (12q24), and SYNE2 (14q23), suggesting that altered expression of these genes plays a role in AF susceptibility. Allelic expression imbalance was used as an independent method to characterize the cis-control of gene expression. One thousand two hundred forty-eight of 5153 queried genes had cis-single nucleotide polymorphisms that significantly regulated allelic expression at a false discovery rate of <0.05. CONCLUSIONS We provide a genome-wide catalog of the genetic control of gene expression in human left atrial appendage. These data can be used to confirm the relevance of genome-wide association loci and to direct future functional studies to identify the genes and genetic variants responsible for complex diseases such as AF.
Collapse
Affiliation(s)
- Jeffrey Hsu
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Shamone Gore-Panter
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Gregory Tchou
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Laurie Castel
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Beth Lovano
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Christine S Moravec
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Gosta B Pettersson
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Eric E Roselli
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - A Marc Gillinov
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Kenneth R McCurry
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Nicholas G Smedira
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - John Barnard
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - David R Van Wagoner
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Mina K Chung
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH
| | - Jonathan D Smith
- From the Departments of Cellular and Molecular Medicine (J.H., G.T., J.D.S.), Quantitative Health Sciences (J.B.), Molecular Cardiology (S.G.-P., L.C., B.L., C.S.M., D.R.V.W., M.K.C.), Cardiovascular Medicine (C.S.M., D.R.V.W., M.K.C., J.D.S.), and Cardiothoracic Surgery (G.B.P., E.E.R., A.M.G., K.R.M., N.G.S.), Cleveland Clinic, Cleveland, OH.
| |
Collapse
|
26
|
Morassut RE, Langlois C, Alyass A, Ishola AF, Yazdi FT, Mayhew AJ, Reddon H, MacKillop J, Pigeyre M, Meyre D. Rationale and design of GENEiUS: a prospective observational study on the genetic and environmental determinants of body mass index evolution in Canadian undergraduate students. BMJ Open 2017; 7:e019365. [PMID: 29229660 PMCID: PMC5778320 DOI: 10.1136/bmjopen-2017-019365] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION Obesity is a global epidemic and is a risk factor for developing other comorbidities. Young adulthood is a critical period for body weight change and establishing healthy lifestyle behaviours. The 'Freshman 15' suggests that undergraduate students gain 15 lbs (6.8 kg) during their first year of university, although evidence estimates a more modest weight gain of approximately 3-5 lbs (1.4-2.3 kg). Previous studies have only investigated weight change in the first year and do not study potential risk factors. Genetic and EnviroNmental Effects on weight in University Students (GENEiUS) is a prospective observational study which will investigate the environmental and biological determinants of weight change in undergraduate students over 4 years. METHODS AND ANALYSIS The GENEiUS study will recruit 2500 multiethnic undergraduates aged 17-25 years at McMaster University at the start of their first year and will follow them every 6 months for 4 years. Primary outcomes are obesity traits: body mass index, waist circumference, waist-to-hip ratio, body fat mass and body fat percentage. The contribution of well-established and novel genetic variants for obesity traits and heritability values will be derived from whole-genome single-nucleotide polymorphism genotyping arrays. Civil status, age, sex, ethnicity, length of residence in Canada, religiosity, energy intake, physical activity, exercise motivation, electronic screen time, sleep patterns, history of assault, smoking status, alcohol consumption, medication and drug use, stress, impulsivity, body image perception, self-esteem, anxiety, eating disorders and depression will be investigated for their effect on obesity traits. The findings of the GENEiUS study will be used to help design obesity prevention programme in North American universities with multiethnic populations. ETHICS AND DISSEMINATION Ethical approval of the study protocol has been obtained from the Hamilton Integrated Research Ethics Board. Study results will be disseminated through scientific publications, scholarly meetings, and collaborative meetings with university administration and student groups.
Collapse
Affiliation(s)
- Rita E Morassut
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
| | - Christine Langlois
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
| | - Akram Alyass
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
| | - Adeola F Ishola
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
| | - Fereshteh T Yazdi
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
| | - Alexandra J Mayhew
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
| | - Hudson Reddon
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
| | - James MacKillop
- Peter Boris Centre for Addictions Research, McMaster University/St. Joseph’s Healthcare Hamilton, Hamilton, Ontario, Canada
| | - Marie Pigeyre
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
- Department of Nutrition, University of Lille, CHRU Lille, Lille, France
| | - David Meyre
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Canada
| |
Collapse
|
27
|
van Eldik W, den Adel B, Monshouwer-Kloots J, Salvatori D, Maas S, van der Made I, Creemers EE, Frank D, Frey N, Boontje N, van der Velden J, Steendijk P, Mummery C, Passier R, Beqqali A. Z-disc protein CHAPb induces cardiomyopathy and contractile dysfunction in the postnatal heart. PLoS One 2017; 12:e0189139. [PMID: 29206857 PMCID: PMC5716575 DOI: 10.1371/journal.pone.0189139] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 11/20/2017] [Indexed: 12/17/2022] Open
Abstract
Aims The Z-disc is a crucial structure of the sarcomere and is implicated in mechanosensation/transduction. Dysregulation of Z-disc proteins often result in cardiomyopathy. We have previously shown that the Z-disc protein Cytoskeletal Heart-enriched Actin-associated Protein (CHAP) is essential for cardiac and skeletal muscle development. Furthermore, the CHAP gene has been associated with atrial fibrillation in humans. Here, we studied the misregulated expression of CHAP isoforms in heart disease. Methods and results Mice that underwent transverse aortic constriction and calcineurin transgenic (Tg) mice, both models of experimental heart failure, displayed a significant increase in cardiac expression of fetal isoform CHAPb. To investigate whether increased expression of CHAPb postnatally is sufficient to induce cardiomyopathy, we generated CHAPb Tg mice under the control of the cardiac-specific αMHC promoter. CHAPb Tg mice displayed cardiac hypertrophy, interstitial fibrosis and enlargement of the left atrium at three months, which was more pronounced at the age of six months. Hypertrophy and fibrosis were confirmed by evidence of activation of the hypertrophic gene program (Nppa, Nppb, Myh7) and increased collagen expression, respectively. Connexin40 and 43 were downregulated in the left atrium, which was associated with delayed atrioventricular conduction. Tg hearts displayed both systolic and diastolic dysfunction partly caused by impaired sarcomere function evident from a reduced force generating capacity of single cardiomyocytes. This co-incided with activation of the actin signalling pathway leading to the formation of stress fibers. Conclusion This study demonstrated that the fetal isoform CHAPb initiates progression towards cardiac hypertrophy, which is accompanied by delayed atrioventricular conduction and diastolic dysfunction. Moreover, CHAP may be a novel therapeutic target or candidate gene for screening in cardiomyopathies and atrial fibrillation.
Collapse
Affiliation(s)
- Willemijn van Eldik
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
- Interuniversity Cardiology Institute of the Netherlands (ICIN), Utrecht, The Netherlands
| | - Brigit den Adel
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Daniela Salvatori
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
- Central Laboratory Animal Facility, Leiden University Medical Center, Leiden, The Netherlands
| | - Saskia Maas
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
- Central Laboratory Animal Facility, Leiden University Medical Center, Leiden, The Netherlands
| | - Ingeborg van der Made
- Department of Experimental Cardiology, Academic Medical Center, Amsterdam, The Netherlands
| | - Esther E. Creemers
- Department of Experimental Cardiology, Academic Medical Center, Amsterdam, The Netherlands
| | - Derk Frank
- Department of Cardiology and Angiology, Universitätsklinikum Schleswig-Holstein (UKSH), University of Kiel, Kiel, Germany
| | - Norbert Frey
- Department of Cardiology and Angiology, Universitätsklinikum Schleswig-Holstein (UKSH), University of Kiel, Kiel, Germany
| | - Nicky Boontje
- Laboratory for Physiology, Institute for Cardiovascular Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Jolanda van der Velden
- Laboratory for Physiology, Institute for Cardiovascular Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Paul Steendijk
- Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Christine Mummery
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
| | - Robert Passier
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
| | - Abdelaziz Beqqali
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Experimental Cardiology, Academic Medical Center, Amsterdam, The Netherlands
- * E-mail:
| |
Collapse
|
28
|
Weng LC, Choi SH, Klarin D, Smith JG, Loh PR, Chaffin M, Roselli C, Hulme OL, Lunetta KL, Dupuis J, Benjamin EJ, Newton-Cheh C, Kathiresan S, Ellinor PT, Lubitz SA. Heritability of Atrial Fibrillation. CIRCULATION. CARDIOVASCULAR GENETICS 2017; 10:e001838. [PMID: 29237688 PMCID: PMC5966046 DOI: 10.1161/circgenetics.117.001838] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 09/25/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Previous reports have implicated multiple genetic loci associated with AF, but the contributions of genome-wide variation to AF susceptibility have not been quantified. METHODS AND RESULTS We assessed the contribution of genome-wide single-nucleotide polymorphism variation to AF risk (single-nucleotide polymorphism heritability, h2g ) using data from 120 286 unrelated individuals of European ancestry (2987 with AF) in the population-based UK Biobank. We ascertained AF based on self-report, medical record billing codes, procedure codes, and death records. We estimated h2g using a variance components method with variants having a minor allele frequency ≥1%. We evaluated h2g in age, sex, and genomic strata of interest. The h2g for AF was 22.1% (95% confidence interval, 15.6%-28.5%) and was similar for early- versus older-onset AF (≤65 versus >65 years of age), as well as for men and women. The proportion of AF variance explained by genetic variation was mainly accounted for by common (minor allele frequency, ≥5%) variants (20.4%; 95% confidence interval, 15.1%-25.6%). Only 6.4% (95% confidence interval, 5.1%-7.7%) of AF variance was attributed to variation within known AF susceptibility, cardiac arrhythmia, and cardiomyopathy gene regions. CONCLUSIONS Genetic variation contributes substantially to AF risk. The risk for AF conferred by genomic variation is similar to that observed for several other cardiovascular diseases. Established AF loci only explain a moderate proportion of disease risk, suggesting that further genetic discovery, with an emphasis on common variation, is warranted to understand the causal genetic basis of AF.
Collapse
Affiliation(s)
- Lu-Chen Weng
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Seung Hoan Choi
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Derek Klarin
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - J Gustav Smith
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Po-Ru Loh
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Mark Chaffin
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Carolina Roselli
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Olivia L Hulme
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Kathryn L Lunetta
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Josée Dupuis
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Emelia J Benjamin
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Christopher Newton-Cheh
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Sekar Kathiresan
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Patrick T Ellinor
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Steven A Lubitz
- From the Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA (L.-C.W., S.H.C., D.K., J.G.S. P.-R.L., M.C., C.R., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.); Department of Cardiology, Clinical Sciences, Lund University, Sweden (J.G.S.); Department of Heart Failure and Valvular Disease, Skane University Hospital, Lund, Sweden (J.G.S.); Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA (P.-R.L.); Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA (K.L.L., J.D., E.J.B.); Boston University School of Public Health, Boston, MA (K.L.L., J.D., E.J.B.); Boston University School of Medicine, Boston, MA (E.J.B.); and Cardiovascular Research Center (L.-C.W., D.K., J.G.S., O.L.H., C.N.-C., S.K., P.T.E., S.A.L.) and Cardiac Arrhythmia Service (P.T.E., S.A.L.), Cardiology Division, Department of Medicine, Massachusetts General Hospital, Boston, MA.
| |
Collapse
|
29
|
Kwon YC, Kim JJ, Yun SW, Yu JJ, Yoon KL, Lee KY, Kil HR, Kim GB, Han MK, Song MS, Lee HD, Ha KS, Sohn S, Ebata R, Hamada H, Suzuki H, Ito K, Onouchi Y, Hong YM, Jang GY, Lee JK. Male-specific association of the FCGR2A His167Arg polymorphism with Kawasaki disease. PLoS One 2017; 12:e0184248. [PMID: 28886140 PMCID: PMC5590908 DOI: 10.1371/journal.pone.0184248] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 08/17/2017] [Indexed: 01/18/2023] Open
Abstract
Kawasaki disease (KD) is an acute systemic vasculitis that can potentially cause coronary artery aneurysms in some children. KD occurs approximately 1.5 times more frequently in males than in females. To identify sex-specific genetic variants that are involved in KD pathogenesis in children, we performed a sex-stratified genome-wide association study (GWAS), using the Illumina HumanOmni1-Quad BeadChip data (249 cases and 1,000 controls) and a replication study for the 34 sex-specific candidate SNPs in an independent sample set (671 cases and 3,553 controls). Male-specific associations were detected in three common variants: rs1801274 in FCGR2A [odds ratio (OR) = 1.40, P = 9.31 × 10-5], rs12516652 in SEMA6A (OR = 1.87, P = 3.12 × 10-4), and rs5771303 near IL17REL (OR = 1.57, P = 2.53 × 10-5). The male-specific association of FCGR2A, but not SEMA6A and IL17REL, was also replicated in a Japanese population (OR = 1.74, P = 1.04 × 10-4 in males vs. OR = 1.22, P = 0.191 in females). In a meta-analysis with 1,461 cases and 5,302 controls, a very strong association of KD with the nonsynonymous SNP rs1801274 (p.His167Arg, previously assigned as p.His131Arg) in FCGR2A was confirmed in males (OR = 1.48, P = 1.43 × 10-7), but not in the females (OR = 1.17, P = 0.055). The present study demonstrates that p.His167Arg, a KD-associated FCGR2A variant, acts as a susceptibility gene in males only. Overall, the gender differences associated with FCGR2A in KD provide a new insight into KD susceptibility.
Collapse
Affiliation(s)
- Young-Chang Kwon
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae-Jung Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Sin Weon Yun
- Department of Pediatrics, Chung-Ang University Hospital, Seoul, Korea
| | - Jeong Jin Yu
- Department of Pediatrics, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Kyung Lim Yoon
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Kyung-Yil Lee
- Department of Pediatrics, The Catholic University of Korea, Daejeon St. Mary’s Hospital, Daejeon, Korea
| | - Hong-Ryang Kil
- Department of Pediatrics, Chungnam National University Hospital, Daejeon, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Myung-Ki Han
- Department of Pediatrics, University of Ulsan, Gangneung Asan Hospital, Gangneung, Korea
| | - Min Seob Song
- Department of Pediatrics, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Hyoung Doo Lee
- Department of Pediatrics, Pusan National University Hospital, Busan, Korea
| | - Kee-Soo Ha
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Sejung Sohn
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea
| | - Ryota Ebata
- Department of Pediatrics, Chiba-University Graduate School of Medicine, Chiba, Japan
| | - Hiromichi Hamada
- Department of Pediatrics, Tokyo Women’s Medical University Yachiyo Medical Center, Yachiyo, Japan
| | - Hiroyuki Suzuki
- Department of Pediatrics, Wakayama Medical University, Wakayama, Japan
| | - Kaoru Ito
- Laboratory for Cardiovascular diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Yoshihiro Onouchi
- Laboratory for Cardiovascular diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Department of Public Health, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Young Mi Hong
- Department of Pediatrics, Ewha Womans University Hospital, Seoul, Korea
| | - Gi Young Jang
- Department of Pediatrics, Korea University Hospital, Seoul, Korea
| | - Jong-Keuk Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
- * E-mail:
| | | |
Collapse
|
30
|
Fatkin D, Santiago CF, Huttner IG, Lubitz SA, Ellinor PT. Genetics of Atrial Fibrillation: State of the Art in 2017. Heart Lung Circ 2017; 26:894-901. [DOI: 10.1016/j.hlc.2017.04.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 04/18/2017] [Indexed: 12/14/2022]
|
31
|
Abstract
PURPOSE OF REVIEW Atrial fibrillation is an important cause of morbidity in the aging population. The mechanisms responsible for the triggering and maintenance of the chaotic atrial rhythm are still poorly understood. In this review, we will focus on the genetic aspects of atrial fibrillation, to understand causality, with special emphasis on recent studies published in the field. RECENT FINDINGS Diseases such as hypertension, valvular heart disease, and heart failure may induce atrial fibrillation, which increases the risk of stroke and sudden cardiac death. Clinical studies published in these last two decades have provided evidence that genetics play a key role in atrial fibrillation. Thus, a family history of the disease has been identified in up to 30% of clinically diagnosed patients. In those genotyped families, most carry rare genetic variants in genes associated with ionic channels, calcium handling protein, or predisposing to fibrosis, conduction system disease, and inflammatory processes. SUMMARY Currently, atrial fibrillation is the most common sustained arrhythmia in clinical practice. The pathophysiological mechanisms of atrial fibrillation are complex. A better understanding of the molecular basis will help improve both current risk stratification and clinical management.
Collapse
|