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Iwata A, Maruyama J, Natsuki S, Nishiyama A, Tamura T, Tanaka M, Shichino S, Seki T, Komai T, Okamura T, Fujio K, Tanaka M, Asano K. Egr2 drives the differentiation of Ly6C hi monocytes into fibrosis-promoting macrophages in metabolic dysfunction-associated steatohepatitis in mice. Commun Biol 2024; 7:681. [PMID: 38831027 PMCID: PMC11148031 DOI: 10.1038/s42003-024-06357-5] [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: 10/05/2023] [Accepted: 05/20/2024] [Indexed: 06/05/2024] Open
Abstract
Metabolic dysfunction-associated steatohepatitis (MASH), previously called non-alcoholic steatohepatitis (NASH), is a growing concern worldwide, with liver fibrosis being a critical determinant of its prognosis. Monocyte-derived macrophages have been implicated in MASH-associated liver fibrosis, yet their precise roles and the underlying differentiation mechanisms remain elusive. In this study, we unveil a key orchestrator of this process: long chain saturated fatty acid-Egr2 pathway. Our findings identify the transcription factor Egr2 as the driving force behind monocyte differentiation into hepatic lipid-associated macrophages (hLAMs) within MASH liver. Notably, Egr2-deficiency reroutes monocyte differentiation towards a macrophage subset resembling resident Kupffer cells, hampering hLAM formation. This shift has a profound impact, suppressing the transition from benign steatosis to liver fibrosis, demonstrating the critical pro-fibrotic role played by hLAMs in MASH pathogenesis. Long-chain saturated fatty acids that accumulate in MASH liver emerge as potent inducers of Egr2 expression in macrophages, a process counteracted by unsaturated fatty acids. Furthermore, oral oleic acid administration effectively reduces hLAMs in MASH mice. In conclusion, our work not only elucidates the intricate interplay between saturated fatty acids, Egr2, and monocyte-derived macrophages but also highlights the therapeutic promise of targeting the saturated fatty acid-Egr2 axis in monocytes for MASH management.
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Grants
- 22H05190 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 22H05064 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- JPMXP0618217493, JPMXP0622717006, and JPMXP0723833149 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 20H03473 Japan Society for the Promotion of Science London (JSPS London)
- 21K06877 Japan Society for the Promotion of Science London (JSPS London)
- JP18gm1210002 Japan Agency for Medical Research and Development (AMED)
- JP21gm6210025 Japan Agency for Medical Research and Development (AMED)
- Ono Medical Research Foundation
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Affiliation(s)
- Ayaka Iwata
- Laboratory of Immune Regulation, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, 192-0392, Japan
| | - Juri Maruyama
- Laboratory of Immune Regulation, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, 192-0392, Japan
| | - Shibata Natsuki
- Laboratory of Immune Regulation, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, 192-0392, Japan
| | - Akira Nishiyama
- Department of Immunology, Yokohama City University Graduate School of Medicine, Kanagawa, 236-0004, Japan
| | - Tomohiko Tamura
- Department of Immunology, Yokohama City University Graduate School of Medicine, Kanagawa, 236-0004, Japan
- Advanced Medical Research Center, Yokohama City University, Kanagawa, 236-0004, Japan
| | - Minoru Tanaka
- Department of Regenerative Medicine, Research Institute National Center for Global Health and Medicine, Tokyo, 162-8655, Japan
| | - Shigeyuki Shichino
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, 278-0022, Japan
| | - Takao Seki
- Department of Biochemistry, Toho University School of Medicine, Tokyo, 143-8540, Japan
| | - Toshihiko Komai
- Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Tomohisa Okamura
- Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Keishi Fujio
- Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Masato Tanaka
- Laboratory of Immune Regulation, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, 192-0392, Japan.
| | - Kenichi Asano
- Laboratory of Immune Regulation, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, 192-0392, Japan.
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Wang X, Yang C, Ma X, Li X, Qi Y, Bai Z, Xu Y, Ma K, Luo Y, Song J, Jia W, He Z, Liu Z. A division-of-labor mode contributes to the cardioprotective potential of mesenchymal stem/stromal cells in heart failure post myocardial infarction. Front Immunol 2024; 15:1363517. [PMID: 38562923 PMCID: PMC10982400 DOI: 10.3389/fimmu.2024.1363517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Background Treatment of heart failure post myocardial infarction (post-MI HF) with mesenchymal stem/stromal cells (MSCs) holds great promise. Nevertheless, 2-dimensional (2D) GMP-grade MSCs from different labs and donor sources have different therapeutic efficacy and still in a low yield. Therefore, it is crucial to increase the production and find novel ways to assess the therapeutic efficacy of MSCs. Materials and methods hUC-MSCs were cultured in 3-dimensional (3D) expansion system for obtaining enough cells for clinical use, named as 3D MSCs. A post-MI HF mouse model was employed to conduct in vivo and in vitro experiments. Single-cell and bulk RNA-seq analyses were performed on 3D MSCs. A total of 125 combination algorithms were leveraged to screen for core ligand genes. Shinyapp and shinycell workflows were used for deploying web-server. Result 3D GMP-grade MSCs can significantly and stably reduce the extent of post-MI HF. To understand the stable potential cardioprotective mechanism, scRNA-seq revealed the heterogeneity and division-of-labor mode of 3D MSCs at the cellular level. Specifically, scissor phenotypic analysis identified a reported wound-healing CD142+ MSCs subpopulation that is also associated with cardiac protection ability and CD142- MSCs that is in proliferative state, contributing to the cardioprotective function and self-renewal, respectively. Differential expression analysis was conducted on CD142+ MSCs and CD142- MSCs and the differentially expressed ligand-related model was achieved by employing 125 combination algorithms. The present study developed a machine learning predictive model based on 13 ligands. Further analysis using CellChat demonstrated that CD142+ MSCs have a stronger secretion capacity compared to CD142- MSCs and Flow cytometry sorting of the CD142+ MSCs and qRT-PCR validation confirmed the significant upregulation of these 13 ligand factors in CD142+ MSCs. Conclusion Clinical GMP-grade 3D MSCs could serve as a stable cardioprotective cell product. Using scissor analysis on scRNA-seq data, we have clarified the potential functional and proliferative subpopulation, which cooperatively contributed to self-renewal and functional maintenance for 3D MSCs, named as "division of labor" mode of MSCs. Moreover, a ligand model was robustly developed for predicting the secretory efficacy of MSCs. A user-friendly web-server and a predictive model were constructed and available (https://wangxc.shinyapps.io/3D_MSCs/).
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Affiliation(s)
- Xicheng Wang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Chao Yang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Xiaoxue Ma
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Xiuhua Li
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Yiyao Qi
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Zhihui Bai
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Ying Xu
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Keming Ma
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Yi Luo
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Jiyang Song
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Wenwen Jia
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Zhiying He
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Zhongmin Liu
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
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Bian R, Xu X, Li Z. Causal effects between circulating immune cells and heart failure: evidence from a bidirectional Mendelian randomization study. BMC Med Genomics 2024; 17:62. [PMID: 38408984 PMCID: PMC10895739 DOI: 10.1186/s12920-024-01827-5] [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: 12/13/2023] [Accepted: 02/07/2024] [Indexed: 02/28/2024] Open
Abstract
BACKGROUND Heart failure (HF) is a prevalent cardiac condition characterized by high mortality and morbidity rates. Immune cells play a pivotal role as crucial biomarkers in assessing the overall immune status of individuals. However, the causal relationship between circulating immune cells and the pathogenesis of HF remains an area requiring further investigation. OBJECTIVES The aim of this study was to investigate the genetic interactions between circulating immune cells and HF, and to further elucidate the genetic associations between different lymphocyte subsets and HF. METHODS We obtained genetic variants associated with circulating immune cells as instrumental variables (IVs) from the Blood Cell Consortium and publicly available HF summary data. We conducted additional subsets analyses on lymphocyte counts. Our study utilized two-sample and multivariate Mendelian randomization (MVMR) analysis to investigate the causal effect of immune cells on HF. The primary analysis employed inverse variance weighting (IVW) and was complemented by a series of sensitivity analyses. RESULTS The findings of the study showed that the IVW model demonstrated a significant correlation between an elevation in lymphocyte count and a decreased risk of HF (OR = 0.97, 95% CI, 0.94 - 1.00, P = 0.032). However, no such correlation was evident in the MVMR analysis for lymphocytes and HF. Furthermore, the examination of the lymphocyte subsets indicated that an increase in CD39+ CD4+ T-cell counts was notably linked to a reduced risk of HF (OR = 0.96, 95% CI, 0.95 - 0.98, P = 0.0002). The MVMR results confirmed that the association between CD39+ CD4+ T-cell counts and HF remained significant. There was no substantial evidence of reverse causality observed between circulating immune cells and HF. CONCLUSION Our MR research provided evidence for a causal relationship between lymphocyte cell and HF. Subsets analyses revealed a causal relationship between CD39+ CD4+ T lymphocytes and HF. These findings will facilitate a future understanding of the mechanisms underlying HF.
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Affiliation(s)
- Rutao Bian
- Zhengzhou Hospital of Traditional Chinese Medicine, Zhengzhou, China
- Guangzhou University of Traditional Chinese Medicine - Zhengzhou Hospital of Traditional Chinese Medicine Joint Laboratory of formulas-syndromes Research, Zhengzhou, China
| | - Xuegong Xu
- Zhengzhou Hospital of Traditional Chinese Medicine, Zhengzhou, China.
- Guangzhou University of Traditional Chinese Medicine - Zhengzhou Hospital of Traditional Chinese Medicine Joint Laboratory of formulas-syndromes Research, Zhengzhou, China.
- Henan Key Laboratory of Traditional Chinese Medicine Cardiovascular Disease, Zhengzhou, China.
| | - Zishuang Li
- Zhengzhou Hospital of Traditional Chinese Medicine, Zhengzhou, China
- Guangzhou University of Traditional Chinese Medicine - Zhengzhou Hospital of Traditional Chinese Medicine Joint Laboratory of formulas-syndromes Research, Zhengzhou, China
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Guo L, Xu CE. Integrated bioinformatics and machine learning algorithms reveal the critical cellular senescence-associated genes and immune infiltration in heart failure due to ischemic cardiomyopathy. Front Immunol 2023; 14:1150304. [PMID: 37234159 PMCID: PMC10206252 DOI: 10.3389/fimmu.2023.1150304] [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: 01/24/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Heart failure (HF) is the final stage of many cardiovascular illnesses and the leading cause of death worldwide. At the same time, ischemic cardiomyopathy has replaced valvular heart disease and hypertension as the primary causes of heart failure. Cellular senescence in heart failure is currently receiving more attention. In this paper, we investigated the correlation between the immunological properties of myocardial tissue and the pathological mechanisms of cellular senescence during ischemic cardiomyopathy leading to heart failure (ICM-HF) using bioinformatics and machine learning methodologies. Our goals were to clarify the pathogenic causes of heart failure and find new treatment options. First, after obtaining GSE5406 from the Gene Expression Omnibus (GEO) database and doing limma analysis, differential genes (DEGs) among the ICM-HF and control groups were identified. We intersected these differential genes with cellular senescence-associated genes (CSAG) via the CellAge database to obtain 39 cellular senescence-associated DEGs (CSA-DEGs). Then, a functional enrichment analysis was performed to elucidate the precise biological processes by which the hub genes control cellular senescence and immunological pathways. Then, the respective key genes were identified by Random Forest (RF) method, LASSO (Least Absolute Shrinkage and Selection Operator) algorithms, and Cytoscape's MCODE plug-in. Three sets of key genes were taken to intersect to obtain three CSA-signature genes (including MYC, MAP2K1, and STAT3), and these three CSA-signature genes were validated in the test gene set (GSE57345), and Nomogram analysis was done. In addition, we assessed the relationship between these three CSA- signature genes and the immunological landscape of heart failure encompassing immunological infiltration expression profiles. This work implies that cellular senescence may have a crucial role in the pathogenesis of ICM-HF, which may be closely tied to its effect on the immune microenvironment. Exploring the molecular underpinnings of cellular senescence during ICM-HF is anticipated to yield significant advances in the disease's diagnosis and therapy.
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Affiliation(s)
- Ling Guo
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Chong-En Xu
- Department of Cardiac Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
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Long X, Yuan X, Du J. Single-cell and spatial transcriptomics: Advances in heart development and disease applications. Comput Struct Biotechnol J 2023; 21:2717-2731. [PMID: 37181659 PMCID: PMC10173363 DOI: 10.1016/j.csbj.2023.04.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 04/11/2023] [Accepted: 04/11/2023] [Indexed: 05/16/2023] Open
Abstract
Current transcriptomics technologies, including bulk RNA-seq, single-cell RNA sequencing (scRNA-seq), single-nucleus RNA-sequencing (snRNA-seq), and spatial transcriptomics (ST), provide novel insights into the spatial and temporal dynamics of gene expression during cardiac development and disease processes. Cardiac development is a highly sophisticated process involving the regulation of numerous key genes and signaling pathways at specific anatomical sites and developmental stages. Exploring the cell biological mechanisms involved in cardiogenesis also contributes to congenital heart disease research. Meanwhile, the severity of distinct heart diseases, such as coronary heart disease, valvular disease, cardiomyopathy, and heart failure, is associated with cellular transcriptional heterogeneity and phenotypic alteration. Integrating transcriptomic technologies in the clinical diagnosis and treatment of heart diseases will aid in advancing precision medicine. In this review, we summarize applications of scRNA-seq and ST in the cardiac field, including organogenesis and clinical diseases, and provide insights into the promise of single-cell and spatial transcriptomics in translational research and precision medicine.
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Affiliation(s)
- Xianglin Long
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Xin Yuan
- Department of Nephrology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
- Correspondence to: Department of Nephrology, The Second Affiliated Hospital of Chongqing Medical University, 74 Lin Jiang Road Chongqing 4000l0, China.
| | - Jianlin Du
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
- Correspondence to: Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, 74 Lin Jiang Road Chongqing 400010, China.
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Brassington K, Kanellakis P, Cao A, Toh BH, Peter K, Bobik A, Kyaw T. Crosstalk between cytotoxic CD8+ T cells and stressed cardiomyocytes triggers development of interstitial cardiac fibrosis in hypertensive mouse hearts. Front Immunol 2022; 13:1040233. [PMID: 36483558 PMCID: PMC9724649 DOI: 10.3389/fimmu.2022.1040233] [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: 09/09/2022] [Accepted: 10/31/2022] [Indexed: 11/24/2022] Open
Abstract
Aims Cardiac fibrosis is central to heart failure (HF), especially HF with preserved ejection fraction (HFpEF), often caused by hypertension. Despite fibrosis causing diastolic dysfunction and impaired electrical conduction, responsible for arrhythmia-induced sudden cardiac death, the mechanisms are poorly defined and effective therapies are lacking. Here we show that crosstalk between cardiac cytotoxic memory CD8+ T cells and overly stressed cardiomyocytes is essential for development of non-ischemic hypertensive cardiac fibrosis. Methods and results CD8 T cell depletion in hypertensive mice, strongly attenuated CF, reduced cardiac apoptosis and improved ventricular relaxation. Interaction between cytotoxic memory CD8+ T cells and overly stressed cardiomyocytes is highly dependent on the CD8+ T cells expressing the innate stress-sensing receptor NKG2D and stressed cardiomyocytes expressing the NKG2D activating ligand RAE-1. The interaction between NKG2D and RAE-1 results in CD8+ T cell activation, release of perforin, cardiomyocyte apoptosis, increased numbers of TGF-β1 expressing macrophages and fibrosis. Deleting NKG2D or perforin from CD8+ T cells greatly attenuates these effects. Activation of the cytoplasmic DNA-STING-TBK1-IRF3 signaling pathway in overly stressed cardiomyocytes is responsible for elevating RAE-1 and MCP-1, a macrophage attracting chemokine. Inhibiting STING activation greatly attenuates cardiomyocyte RAE-1 expression, the cardiomyocyte apoptosis, TGF-β1 and fibrosis. Conclusion Our data highlight a novel pathway by which CD8 T cells contribute to an early triggering mechanism in CF development; preventing CD8+ T cell activation by inhibiting the cardiomyocyte RAE-1-CD8+ T cell-NKG2D axis holds promise for novel therapeutic strategies to limit hypertensive cardiac fibrosis.
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Affiliation(s)
- Kurt Brassington
- Inflammation and Cardiovascular Disease Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Peter Kanellakis
- Inflammation and Cardiovascular Disease Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Anh Cao
- Inflammation and Cardiovascular Disease Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia,Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Ban-Hock Toh
- Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Karlheinz Peter
- Inflammation and Cardiovascular Disease Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia,Baker Department of Cardiometabolic Health, University of Melbourne, Parkville, VIC, Australia
| | - Alex Bobik
- Inflammation and Cardiovascular Disease Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia,Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia,Department of Immunology, Monash University, Melbourne, VIC, Australia
| | - Tin Kyaw
- Inflammation and Cardiovascular Disease Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia,Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia,Baker Department of Cardiometabolic Health, University of Melbourne, Parkville, VIC, Australia,*Correspondence: Tin Kyaw,
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Wang A, Li Z, Sun Z, Wang Y, Fu S, Zhang D, Ma X. Heart failure with preserved ejection fraction and non-alcoholic fatty liver disease: new insights from bioinformatics. ESC Heart Fail 2022; 10:416-431. [PMID: 36266995 PMCID: PMC9871724 DOI: 10.1002/ehf2.14211] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/17/2022] [Accepted: 10/02/2022] [Indexed: 01/29/2023] Open
Abstract
AIMS Heart failure with preserved ejection fraction (HFpEF) and non-alcoholic fatty liver disease (NAFLD) are related conditions with an increasing incidence. The mechanism of their relationship remains undefined. Here, we aimed to explore the potential mechanisms, diagnostic markers, and therapeutic options for HFpEF and NAFLD. METHODS AND RESULTS HFpEF and NAFLD datasets were downloaded from the Gene Expression Omnibus (GEO) database. Common differentially expressed genes (DEGs) were screened for functional annotation. A protein-protein interaction network was constructed based on the STRING database, and hub genes were analysed using GeneMANIA annotation. ImmuCellAI (Immune Cell Abundance Identifier) was employed for analysis of immune infiltration. We also used validation datasets to validate the expression levels of hub genes and the correlation of immune cells. To screen for diagnostic biomarkers, we employed the least absolute shrinkage and selection operator and support vector machine-recursive feature elimination. Drug signature database was used to predict potential therapeutic drugs. Our analyses identified a total of 33 DEGs. Inflammation and immune infiltration played important roles in the development of both diseases. The data showed a close relationship between chemokine signalling pathway, cytokine-cytokine receptor interaction, calcium signalling pathway, neuroactive ligand-receptor interaction, osteoclast differentiation, and cyclic guanosine monophosphate-protein kinase G signalling pathway. We demonstrated that PRF1 (perforin 1) and IL2RB (interleukin-2 receptor subunit beta) proteins were perturbed by the diseases and may be the hub genes. The analysis showed that miR-375 may be a potential diagnostic marker for both diseases. Our drug prediction analysis showed that bosentan, eldecalcitol, ramipril, and probucol could be potential therapeutic options for the diseases. CONCLUSIONS Our findings revealed common pathogenesis, diagnostic markers, and therapeutic agents for HFpEF and NAFLD. There is need for further experimental studies to validate our findings.
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Affiliation(s)
- Anzhu Wang
- Xiyuan HospitalChina Academy of Chinese Medical SciencesBeijingChina,Graduate SchoolChina Academy of Chinese Medical SciencesBeijingChina
| | - Zhendong Li
- Qingdao West Coast New Area People's HospitalQingdaoChina
| | - Zhuo Sun
- Qingdao West Coast New Area People's HospitalQingdaoChina
| | - Yifei Wang
- Xiyuan HospitalChina Academy of Chinese Medical SciencesBeijingChina,Beijing University of Chinese MedicineBeijingChina
| | - Shuangqing Fu
- Xiyuan HospitalChina Academy of Chinese Medical SciencesBeijingChina,Beijing University of Chinese MedicineBeijingChina
| | - Dawu Zhang
- Xiyuan HospitalChina Academy of Chinese Medical SciencesBeijingChina,National Clinical Research Center for Chinese Medicine CardiologyBeijingChina
| | - Xiaochang Ma
- Xiyuan HospitalChina Academy of Chinese Medical SciencesBeijingChina,National Clinical Research Center for Chinese Medicine CardiologyBeijingChina
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Li J, Zhang X, Ren P, Wu Y, Wang Y, Zhou W, Wang Z, Chao P. Landscape of RNA-binding proteins in diagnostic utility, immune cell infiltration and PANoptosis features of heart failure. Front Genet 2022; 13:1004163. [PMID: 36313471 PMCID: PMC9614340 DOI: 10.3389/fgene.2022.1004163] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/27/2022] [Indexed: 11/13/2022] Open
Abstract
Objective: Heart failure remains a global public health problem linked to rising morbidity and mortality. RNA-binding proteins (RBPs) are crucial regulators in post-transcriptionally determining gene expression. Our study aimed to comprehensively elucidate the diagnostic utility and biological roles of RBPs in heart failure. Methods: Genomic data of human failing and nonfailing left ventricular myocardium specimens were retrieved from the GEO datasets. Heart failure-specific RBPs were screened with differential expression analyses, and RBP-based subtypes were clustered with consensus clustering approach. GSEA was implemented for comparing KEGG pathways across subtypes. RBP-based subtype-related genes were screened with WGCNA. Afterwards, characteristic genes were selected through integrating LASSO and SVM-RFE approaches. A nomogram based on characteristic genes was established and verified through calibration curve, decision curve and clinical impact curve analyses. The abundance of immune cell types was estimated with CIBERSORT approach. Results: Heart failure-specific RBPs were determined, which were remarkably linked to RNA metabolism process. Three RBP-based subtypes (namely C1, C2, C3) were established, characterized by distinct pathway activities and PANoptosis gene levels. C2 subtype presented the highest abundance of immune cells, followed by C1 and C3. Afterwards, ten characteristic genes were selected, which enabled to reliably diagnose heart failure risk. The characteristic gene-based nomogram enabled to accurately predict risk of heart failure, with the excellent clinical utility. Additionally, characteristic genes correlated to immune cell infiltration and PANoptosis genes. Conclusion: Our findings comprehensively described the roles of RBPs in heart failure. Further research is required for verifying the effectiveness of RBP-based subtypes and characteristic genes in heart failure.
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Affiliation(s)
- Jie Li
- Department of Cardiology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Xueqin Zhang
- Department of Nephrology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Peng Ren
- Department of Cardiology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Yu Wu
- Department of Medical Administration, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Yaoguo Wang
- Department of Information Center, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Wenzheng Zhou
- Department of Orthopaedics, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
- *Correspondence: Wenzheng Zhou, ; Zhao Wang, ; Peng Chao,
| | - Zhao Wang
- Department of Cardiology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
- *Correspondence: Wenzheng Zhou, ; Zhao Wang, ; Peng Chao,
| | - Peng Chao
- Department of Cardiology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
- *Correspondence: Wenzheng Zhou, ; Zhao Wang, ; Peng Chao,
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Meng X, Xia G, Zhang L, Xu C, Chen Z. T cell immunoglobulin and mucin domain-containing protein 3 is highly expressed in patients with acute decompensated heart failure and predicts mid-term prognosis. Front Cardiovasc Med 2022; 9:933532. [PMID: 36186992 PMCID: PMC9520239 DOI: 10.3389/fcvm.2022.933532] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022] Open
Abstract
Background and aims T cell immunoglobulin and mucin domain-containing protein 3 (Tim-3) is mainly expressed by immune cells and plays an immunomodulatory role in cardiovascular disease. However, the prognostic value of Tim-3 in acute decompensated heart failure (ADHF) is unclear. This study aimed to investigate the expression profile of Tim-3 on CD4+ and CD8+ T cells in patients with ADHF and its impact on their prognosis. Methods In this prospective study, 84 patients who were hospitalized with ADHF and 83 patients without heart failure were enrolled. Main clinical data were collected during patient visits. The Tim-3 expression on CD4+ and CD8+ T cells in peripheral blood samples was assayed by flow cytometry. Long-term prognosis of the patients with ADHF was evaluated by major adverse cardiac and cerebrovascular events (MACCE) over a 12-month follow-up period. Results We found that the Tim-3 expression on CD4+ T cells [2.08% (1.15–2.67%) vs. 0.88% (0.56–1.39%), p < 0.001] and CD8+ T cells [3.81% (2.24–6.03%) vs. 1.36% (0.76–3.00%), p < 0.001] in ADHF group were significantly increased vs. the non-ADHF group. Logistic analysis revealed that high levels of Tim-3 expressed on CD4+ and CD8+ T cells were independent risk factors of ADHF (OR: 2.76; 95% CI: 1.34–5.65, p = 0.006; OR: 2.58; 95% CI: 1.26–5.31, p = 0.010, respectively). ROC curve analysis showed that the high level of Tim-3 on CD4+ or CD8+ T cells as a biomarker has predictive performance for ADHF (AUC: 0.75; 95% CI: 0.68–0.83; AUC: 0.78, 95% CI: 0.71–0.85, respectively). During a median follow-up of 12 months, the Cox regression analysis revealed that higher Tim-3 on CD4+ and CD8+ T cells were strongly associated with increased risks of MACCE within 12 months after ADHF (HR: 2.613; 95% CI: 1.11–6.13, p = 0.027; HR: 2.762, 95% CI: 1.15–6.63, p = 0.023; respectively). Conclusion Our research indicated that the expression level of Tim-3 on CD4+ and CD8+ T cells, elevated in patients with ADHF, was an independent predictor of MACCE within 12 months after ADHF. It suggests a potential immunoregulatory role of Tim-3 signaling system in the mechanism of ADHF.
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Affiliation(s)
- Xin Meng
- Department of Cardiology, The Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guofang Xia
- Department of Cardiology, The Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lili Zhang
- Department of Cardiology, The Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Congfeng Xu
- Department of Cardiology, The Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhong Chen
- Department of Cardiology, The Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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10
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Yamamoto S, Matsui A, Ohyagi M, Kikutake C, Harada Y, Iizuka-Koga M, Suyama M, Yoshimura A, Ito M. In Vitro Generation of Brain Regulatory T Cells by Co-culturing With Astrocytes. Front Immunol 2022; 13:960036. [PMID: 35911740 PMCID: PMC9335882 DOI: 10.3389/fimmu.2022.960036] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 06/20/2022] [Indexed: 11/25/2022] Open
Abstract
Regulatory T cells (Tregs) are normally born in the thymus and activated in secondary lymphoid tissues to suppress immune responses in the lymph node and at sites of inflammation. Tregs are also resident in various tissues or accumulate in damaged tissues, which are now called tissue Tregs, and contribute to homeostasis and tissue repair by interacting with non-immune cells. We have shown that Tregs accumulate in the brain during the chronic phase in a mouse cerebral infarction model, and these Tregs acquire the characteristic properties of brain Tregs and contribute to the recovery of neurological damage by interacting with astrocytes. However, the mechanism of tissue Treg development is not fully understood. We developed a culture method that confers brain Treg characteristics in vitro. Naive Tregs from the spleen were activated and efficiently amplified by T-cell receptor (TCR) stimulation in the presence of primary astrocytes. Furthermore, adding IL-33 and serotonin could confer part of the properties of brain Tregs, such as ST2, peroxisome proliferator-activated receptor γ (PPARγ), and serotonin receptor 7 (Htr7) expression. Transcriptome analysis revealed that in vitro generated brain Treg-like Tregs (induced brain Tregs; iB-Tregs) showed similar gene expression patterns as those in in vivo brain Tregs, although they were not identical. Furthermore, in Parkinson’s disease models, in which T cells have been shown to be involved in disease progression, iB-Tregs infiltrated into the brain more readily and ameliorated pathological symptoms more effectively than splenic Tregs. These data indicate that iB-Tregs contribute to our understanding of brain Treg development and could also be therapeutic for inflammatory brain diseases.
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Affiliation(s)
- Shinichi Yamamoto
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
| | - Ako Matsui
- Division of Allergy and Immunology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Masaki Ohyagi
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
| | - Chie Kikutake
- Division of Bioinformatics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Yoshihiro Harada
- Division of Allergy and Immunology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Mana Iizuka-Koga
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
| | - Mikita Suyama
- Division of Bioinformatics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Akihiko Yoshimura
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
| | - Minako Ito
- Division of Allergy and Immunology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- *Correspondence: Minako Ito,
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11
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Kumar P, Lim A, Poh SL, Hazirah SN, Chua CJH, Sutamam NB, Arkachaisri T, Yeo JG, Kofidis T, Sorokin V, Lam CSP, Richards AM, Albani S. Pro-Inflammatory Derangement of the Immuno-Interactome in Heart Failure. Front Immunol 2022; 13:817514. [PMID: 35371099 PMCID: PMC8964981 DOI: 10.3389/fimmu.2022.817514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 02/21/2022] [Indexed: 01/07/2023] Open
Abstract
Chronic heart failure (HF) is a syndrome of heterogeneous etiology associated with multiple co-morbidities. Inflammation is increasingly recognized as a key contributor to the pathophysiology of HF. Heterogeneity and lack of data on the immune mechanism(s) contributing to HF may partially underlie the failure of clinical trials targeting inflammatory mediators. We studied the Immunome in HF cohort using mass cytometry and used data-driven systems immunology approach to discover and characterize modulated immune cell subsets from peripheral blood. We showed cytotoxic and inflammatory innate lymphoid and myeloid cells were expanded in HF patients compared to healthy controls. Network analysis showed highly modular and centralized immune cell architecture in healthy control immune cell network. In contrast, the HF immune cell network showed greater inter-cellular communication and less modular structure. Furthermore, we found, as an immune mechanism specific to HF with preserved ejection fraction (HFpEF), an increase in inflammatory MAIT and CD4 T cell subsets.
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Affiliation(s)
- Pavanish Kumar
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore.,KK Research Centre, KK Women's and Children's Hospital, Singapore, Singapore
| | - Amanda Lim
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
| | - Su Li Poh
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
| | - Sharifah Nur Hazirah
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
| | - Camillus Jian Hui Chua
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
| | - Nursyuhadah Binte Sutamam
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
| | - Thaschawee Arkachaisri
- Paediatrics Academic Clinical Programme, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore.,Rheumatology and Immunology Service, KK Women's and Children's Hospital, Singapore, Singapore
| | - Joo Guan Yeo
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore.,Paediatrics Academic Clinical Programme, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore.,Rheumatology and Immunology Service, KK Women's and Children's Hospital, Singapore, Singapore
| | - Theo Kofidis
- National University Heart Centre, Singapore, Singapore.,The National University Health System (NUHS) Cardiovascular Research Institute, Singapore, Singapore
| | | | - Carolyn S P Lam
- Duke-NUS Medical School, Cardiovascular Academic Clinical Program, Singapore, Singapore.,National Heart Centre, Singapore, Singapore
| | - Arthur Mark Richards
- The National University Health System (NUHS) Cardiovascular Research Institute, Singapore, Singapore
| | - Salvatore Albani
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore.,Paediatrics Academic Clinical Programme, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore.,Rheumatology and Immunology Service, KK Women's and Children's Hospital, Singapore, Singapore
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12
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Peterson EA, Sun J, Wang J. Leukocyte-Mediated Cardiac Repair after Myocardial Infarction in Non-Regenerative vs. Regenerative Systems. J Cardiovasc Dev Dis 2022; 9:63. [PMID: 35200716 PMCID: PMC8877434 DOI: 10.3390/jcdd9020063] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 02/01/2023] Open
Abstract
Innate and adaptive leukocytes rapidly mobilize to ischemic tissues after myocardial infarction in response to damage signals released from necrotic cells. Leukocytes play important roles in cardiac repair and regeneration such as inflammation initiation and resolution; the removal of dead cells and debris; the deposition of the extracellular matrix and granulation tissue; supporting angiogenesis and cardiomyocyte proliferation; and fibrotic scar generation and resolution. By organizing and comparing the present knowledge of leukocyte recruitment and function after cardiac injury in non-regenerative to regenerative systems, we propose that the leukocyte response to cardiac injury differs in non-regenerative adult mammals such as humans and mice in comparison to cardiac regenerative models such as neonatal mice and adult zebrafish. Specifically, extensive neutrophil, macrophage, and T-cell persistence contributes to a lengthy inflammatory period in non-regenerative systems for adverse cardiac remodeling and heart failure development, whereas their quick removal supports inflammation resolution in regenerative systems for new contractile tissue formation and coronary revascularization. Surprisingly, other leukocytes have not been examined in regenerative model systems. With this review, we aim to encourage the development of improved immune cell markers and tools in cardiac regenerative models for the identification of new immune targets in non-regenerative systems to develop new therapies.
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Affiliation(s)
| | | | - Jinhu Wang
- Division of Cardiology, School of Medicine, Emory University, Atlanta, GA 30322, USA; (E.A.P.); (J.S.)
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13
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Corker A, Neff LS, Broughton P, Bradshaw AD, DeLeon-Pennell KY. Organized Chaos: Deciphering Immune Cell Heterogeneity's Role in Inflammation in the Heart. Biomolecules 2021; 12:11. [PMID: 35053159 PMCID: PMC8773626 DOI: 10.3390/biom12010011] [Citation(s) in RCA: 4] [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: 11/02/2021] [Revised: 12/10/2021] [Accepted: 12/18/2021] [Indexed: 12/24/2022] Open
Abstract
During homeostasis, immune cells perform daily housekeeping functions to maintain heart health by acting as sentinels for tissue damage and foreign particles. Resident immune cells compose 5% of the cellular population in healthy human ventricular tissue. In response to injury, there is an increase in inflammation within the heart due to the influx of immune cells. Some of the most common immune cells recruited to the heart are macrophages, dendritic cells, neutrophils, and T-cells. In this review, we will discuss what is known about cardiac immune cell heterogeneity during homeostasis, how these cell populations change in response to a pathology such as myocardial infarction or pressure overload, and what stimuli are regulating these processes. In addition, we will summarize technologies used to evaluate cell heterogeneity in models of cardiovascular disease.
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Affiliation(s)
- Alexa Corker
- Department of Medicine, Division of Cardiology, Medical University of South Carolina, Charleston, SC 29425, USA; (A.C.); (L.S.N.); (P.B.); (A.D.B.)
| | - Lily S. Neff
- Department of Medicine, Division of Cardiology, Medical University of South Carolina, Charleston, SC 29425, USA; (A.C.); (L.S.N.); (P.B.); (A.D.B.)
| | - Philip Broughton
- Department of Medicine, Division of Cardiology, Medical University of South Carolina, Charleston, SC 29425, USA; (A.C.); (L.S.N.); (P.B.); (A.D.B.)
| | - Amy D. Bradshaw
- Department of Medicine, Division of Cardiology, Medical University of South Carolina, Charleston, SC 29425, USA; (A.C.); (L.S.N.); (P.B.); (A.D.B.)
- Ralph H. Johnson Veterans Affairs Medical Center, Medical University of South Carolina, Charleston, SC 29401, USA
| | - Kristine Y. DeLeon-Pennell
- Department of Medicine, Division of Cardiology, Medical University of South Carolina, Charleston, SC 29425, USA; (A.C.); (L.S.N.); (P.B.); (A.D.B.)
- Ralph H. Johnson Veterans Affairs Medical Center, Medical University of South Carolina, Charleston, SC 29401, USA
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