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Chen X, Tang H, Lu K, Niu Z, Sheng W, Hwang HY, Pang PYK, Phillips JD, Khoynezhad A, Qu X, Li B, Han W. Gene modules and genes associated with postoperative atrial fibrillation: weighted gene co-expression network analysis and circRNA-miRNA-mRNA regulatory network analysis. J Thorac Dis 2023; 15:4949-4960. [PMID: 37868904 PMCID: PMC10586969 DOI: 10.21037/jtd-23-1179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 08/31/2023] [Indexed: 10/24/2023]
Abstract
Background Atrial fibrillation (AF) is the most common complication in patients undergoing cardiac surgery. However, the pathogenesis of postoperative AF (POAF) is elusive, and research related to this topic is sparse. Our study aimed to identify key gene modules and genes and to conduct a circular RNA (circRNA)-microRNA (miRNA)-messenger RNA (mRNA) regulatory network analysis of POAF on the basis of bioinformatic analysis. Methods The GSE143924 and GSE97455 data sets from the Gene Expression Omnibus (GEO) database were analyzed. Weighted gene co-expression network analysis (WGCNA) was used to identify the key gene modules and genes related to POAF. A circRNA-miRNA-mRNA regulatory network was also built according to differential expression analysis. Functional enrichment analysis was further performed according to Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. Results WGCNA identified 2 key gene modules and 44 key genes that were significantly related to POAF. Functional enrichment analysis of these key genes implicated the following important biological processes (BPs): endosomal transport, protein kinase B signaling, and transcription regulation. The circRNA-miRNA-mRNA regulatory network suggested that KLF10 may take critical part in POAF. Moreover, 2 novel circRNAs, hsa_circRNA_001654 and hsa_circRNA_005899, and 2 miRNAs, hsa-miR-19b-3p and hsa-miR-30a-5p, which related with KLF10, were involved in the network. Conclusions Our study provides foundational expression profiles following POAF based on WGCNA. The circRNA-miRNA-mRNA network offers insights into the BPs and underlying mechanisms of POAF.
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Affiliation(s)
- Xiaomeng Chen
- Department of Cardiology, Qingdao Municipal Hospital, Qingdao University, Qingdao, China
- Department of Cardiology, Qingdao Municipal Hospital, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Huaiguang Tang
- Department of Cardiology, Qingdao Municipal Hospital, Qingdao University, Qingdao, China
- Department of Cardiology, Qingdao Municipal Hospital, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Kongmiao Lu
- Department of Pulmonary and Critical Care Medicine, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Zhaozhuo Niu
- Department of Cardiovascular Surgery, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Wei Sheng
- Department of Cardiovascular Surgery, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Ho Young Hwang
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Philip Y. K. Pang
- Department of Cardiothoracic Surgery, National Heart Centre Singapore, Singapore, Singapore
| | - Joseph D. Phillips
- Section of Thoracic Surgery, Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr., Lebanon, NH, USA
| | - Ali Khoynezhad
- Department of Cardiovascular Surgery, MemorialCare Heart and Vascular Institute, Long Beach, CA, USA
| | - Xiaolu Qu
- Department of Pulmonary and Critical Care Medicine, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Bingong Li
- Department of Cardiology, Qingdao Municipal Hospital, Qingdao University, Qingdao, China
- Department of Cardiology, Qingdao Municipal Hospital, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Wei Han
- Department of Pulmonary and Critical Care Medicine, University of Health and Rehabilitation Sciences, Qingdao, China
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Upadhyay K, Frishman WH. An Exploration of the Relationship Between Atrial Fibrillation and Obesity. Cardiol Rev 2023; 31:185-192. [PMID: 36727745 DOI: 10.1097/crd.0000000000000490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
In the past 40 years, the prevalence of atrial fibrillation and obesity have skyrocketed. It has long been established that obesity can lead to adverse cardiovascular outcomes due to its myriad of effects on cardiovascular architecture, cardiovascular hemodynamics, and electrical conduction interference. The goal of this article is to explore the pathogenesis of atrial fibrillation in obese patients and examine the role of atrial enlargement, increased adipose deposits surrounding the pericardium, interstitial fibrosis, and inflammation in the development and worsening of atrial fibrillation in obese patients.
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Affiliation(s)
- Kiran Upadhyay
- From the Department of Medicine NYU Long Island and Departments of Medicine and Cardiology, New York Medical College/Westchester Medical Center, Valhalla, NY
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Plasma lipoprotein-associated phospholipase A2 is associated with acute ischemic stroke in patients with atrial fibrillation. J Clin Neurosci 2022; 101:239-243. [DOI: 10.1016/j.jocn.2022.05.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/30/2022] [Accepted: 05/23/2022] [Indexed: 11/23/2022]
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Ong KL, McClelland RL, Allison MA, Cushman M, Garg PK, Tsai MY, Rye KA, Tabet F. Lipoprotein (a) and coronary artery calcification: prospective study assessing interactions with other risk factors. Metabolism 2021; 116:154706. [PMID: 33421505 PMCID: PMC7853621 DOI: 10.1016/j.metabol.2021.154706] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 12/24/2020] [Accepted: 01/05/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND Elevated plasma lipoprotein (a) [Lp(a)] and coronary artery calcification (CAC) are established cardiovascular risk factors that correlate with each other. We hypothesized that other cardiovascular risk factors could affect their relationship. METHODS We tested for interactions of 24 study variables related to dyslipidemia, diabetes, insulin resistance, hypertension, inflammation and coagulation with baseline Lp(a) on change in CAC volume and density over 9.5 years in 5975 Multi-Ethnic Study of Atherosclerosis (MESA) participants, free of apparent cardiovascular disease at baseline. RESULTS Elevated Lp(a) was associated with larger absolute increase in CAC volume (3.21 and 4.45 mm3/year higher for Lp(a) ≥30 versus <30 mg/dL, and Lp(a) ≥50 versus <50 mg/dL, respectively), but not relative change in CAC volume. No association was found with change in CAC density when assessing continuous ln-transformed Lp(a). The association between elevated Lp(a) (≥30 mg/dL) and absolute change in CAC volume was greater in participants with higher circulating levels of interleukin-2 soluble receptor α, soluble tumor necrosis factor alpha receptor 1 and fibrinogen (15.33, 11.81 and 7.02 mm3/year in quartile 4, compared to -3.44, -0.59 and 1.91 mm3/year in quartile 1, respectively). No significant interaction was found for other study variables. Similar interactions were seen when assessing Lp(a) levels ≥50 mg/dL. CONCLUSIONS Elevated Lp(a) was associated with an absolute increase in CAC volume, especially in participants with higher levels of selected markers of inflammation and coagulation. These results suggest Lp(a) as a potential biomarker for CAC volume progression.
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Affiliation(s)
- Kwok Leung Ong
- Lipid Research Group, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.
| | | | - Matthew A Allison
- Department of Family Medicine and Public Health, University of California San Diego, La Jolla, CA, USA
| | - Mary Cushman
- Division of Hematology and Oncology, Department of Medicine, Larner College of Medicine at the University of Vermont, Burlington, VT, USA
| | - Parveen K Garg
- Division of Cardiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Michael Y Tsai
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
| | - Kerry-Anne Rye
- Lipid Research Group, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Fatiha Tabet
- Lipid Research Group, School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.
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Reiffel JA. Biomarkers and their relationship to atrial fibrillation: mechanisms, prognosis and management. Biomark Med 2019; 13:1433-1438. [PMID: 31599164 DOI: 10.2217/bmm-2019-0380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- James A Reiffel
- Division of Cardiology, Department of Medicine, Columbia University Medical Center, New York, 10032 NY, USA
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