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Martin TG, Leinwand LA. Hearts apart: sex differences in cardiac remodeling in health and disease. J Clin Invest 2024; 134:e180074. [PMID: 38949027 DOI: 10.1172/jci180074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024] Open
Abstract
Biological sex is an important modifier of physiology and influences pathobiology in many diseases. While heart disease is the number one cause of death worldwide in both men and women, sex differences exist at the organ and cellular scales, affecting clinical presentation, diagnosis, and treatment. In this Review, we highlight baseline sex differences in cardiac structure, function, and cellular signaling and discuss the contribution of sex hormones and chromosomes to these characteristics. The heart is a remarkably plastic organ and rapidly responds to physiological and pathological cues by modifying form and function. The nature and extent of cardiac remodeling in response to these stimuli are often dependent on biological sex. We discuss organ- and molecular-level sex differences in adaptive physiological remodeling and pathological cardiac remodeling from pressure and volume overload, ischemia, and genetic heart disease. Finally, we offer a perspective on key future directions for research into cardiac sex differences.
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Affiliation(s)
- Thomas G Martin
- Department of Molecular, Cellular, and Developmental Biology and
- BioFrontiers Institute, University of Colorado Boulder, Boulder, Colorado, USA
| | - Leslie A Leinwand
- Department of Molecular, Cellular, and Developmental Biology and
- BioFrontiers Institute, University of Colorado Boulder, Boulder, Colorado, USA
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2
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Ji SY, Yin ZC, Ma CL, Bai JX, Min JY, Wang BY, Gao ML, Yang XY, Yang XJ, Lei XG. Dietary Selenium Insufficiency Induces Cardiac Inflammatory Injury in Chicks. J Nutr 2024:S0022-3166(24)00270-0. [PMID: 38763264 DOI: 10.1016/j.tjnut.2024.04.039] [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: 02/13/2024] [Revised: 04/16/2024] [Accepted: 04/30/2024] [Indexed: 05/21/2024] Open
Abstract
BACKGROUND Laying hens undergo intensive metabolism and are vulnerable to cardiac insults. Previous research demonstrated overt heart disorders of broiler chickens induced by dietary Se deficiency. OBJECTIVES This study aimed to reveal effects and mechanism of dietary Se insufficiency on cardiac injuries of egg-type chicks in their early life. METHODS White Leghorn chicks (0-d-old, female) were fed a corn-soy, Se-insufficient basal diet (BD, 0.05 mg Se/kg; n = 11) or the BD supplemented with 0.3 mg Se/kg (as sodium selenite; n = 8) for 35 d. Cardiac tissues were collected at the end of study for histology and to determine its relationship with heart Se contents, selenoprotein expression profiles, antioxidant and inflammatory status, and the Toll-like receptor 4/extracellular signal-regulated kinases/p38 map kinase/c-Jun N-terminal kinase (TLR4/ERK/P38/JNK) pathway. RESULTS Compared with those fed 0.35 mg Se/kg, chicks fed BD had significantly lower body weights and average daily gain, and 28% lower heart Se, and developed cardiac mononuclear inflammatory cell infiltration, along with elevated (P < 0.05) serum concentrations of creatine kinase, aldolase, and interleukin-1 (IL-1). The BD decreased (P < 0.05) body weight and heart glutathione contents and expression of selenoproteins but increased (P < 0.05) heart concentrations of malondialdehyde and reactive oxygen species. These changes were associated with increased (P < 0.05) mRNA and/or protein concentrations of cyclooxygenases, lipoxygenase-12, cytokines (IL-1β), nuclear factor (NF) κB subunit, chemokines, and receptors (CCL20, CXCR1, and CXCLI2) and increased (P < 0.1) TLR4/ERK /P38/JNK in the heart of Se-insufficient chicks. CONCLUSIONS Dietary Se insufficiency induces infiltration of mononuclear inflammatory cells in the heart of egg-type chicks. This cardiac injury was mediated by decreased functional expressions of selenoproteins, which resulted in apparent elevated oxidative stress and subsequent activations of the TLR4 pathway and NF κB.
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Affiliation(s)
- Shu Yun Ji
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Zhen Chen Yin
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Chun Lai Ma
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Jun Xia Bai
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Ji Yang Min
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Bo Yan Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Ming Lu Gao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiang Yu Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiao Jun Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China.
| | - Xin Gen Lei
- Department of Animal Science, Cornell University, Ithaca, NY, United States.
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3
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Qi Z, Zhao Q, Yu Z, Yang Z, Feng J, Song P, He X, Lu X, Chen X, Li S, Yuan Y, Cai Z. Assessing the Impact of PM 2.5-Bound Arsenic on Cardiovascular Risk among Workers in a Non-ferrous Metal Smelting Area: Insights from Chemical Speciation and Bioavailability. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:8228-8238. [PMID: 38695658 PMCID: PMC11097390 DOI: 10.1021/acs.est.3c10761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 04/01/2024] [Accepted: 04/23/2024] [Indexed: 05/15/2024]
Abstract
Inhalation of fine particulate matter PM2.5-bound arsenic (PM2.5-As) may cause significant cardiovascular damage, due to its high concentration, long transmission range, and good absorption efficiency in organisms. However, both the contribution and the effect of the arsenic exposure pathway, with PM2.5 as the medium, on cardiovascular system damage in nonferrous smelting sites remain to be studied. In this work, a one-year site sample collection and analysis work showed that the annual concentration of PM2.5-As reached 0.74 μg/m3, which was 120 times the national standard. The predominant species in the PM2.5 samples were As (V) and As (III). A panel study among workers revealed that PM2.5-As exposure dominantly contributed to human absorption of As. After exposure of mice to PM2.5-As for 8 weeks, the accumulation of As in the high exposure group reached equilibrium, and its bioavailability was 24.5%. A series of animal experiments revealed that PM2.5-As exposure induced cardiac injury and dysfunction at the environmental relevant concentration and speciation. By integrating environmental and animal exposure assessments, more accurate health risk assessment models exposed to PM2.5-As were established for metal smelting areas. Therefore, our research provides an important scientific basis for relevant departments to formulate industry supervision, prevention and control policies.
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Affiliation(s)
- Zenghua Qi
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
| | - Qiting Zhao
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
| | - Zixun Yu
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
| | - Zhu Yang
- State
Key Laboratory of Environmental and Biological Analysis, Department
of Chemistry, Hong Kong Baptist University, Kowloon 999077, Hong Kong, China
| | - Jie Feng
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
| | - Pengfei Song
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
| | - Xiaochong He
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
| | - Xingwen Lu
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
| | - Xin Chen
- The
Center for Reproductive Medicine, Shunde Hospital, Southern Medical University (The First People’s Hospital of
Shunde), 528300 Foshan, Guangdong, China
| | - Shoupeng Li
- Analysis
and Test Center, Guangdong University of
Technology, Guangzhou 510006, China
| | - Yong Yuan
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
| | - Zongwei Cai
- Guangdong-Hong
Kong-Macao Joint Laboratory for Contaminants Exposure and Health,
School of Environmental Science and Engineering, Institute of Environmental
Health and Pollution Control, Guangdong
University of Technology, Guangzhou 510006, China
- State
Key Laboratory of Environmental and Biological Analysis, Department
of Chemistry, Hong Kong Baptist University, Kowloon 999077, Hong Kong, China
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4
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Bridges J, Ramirez-Guerrero JA, Rosa-Garrido M. Gender-specific genetic and epigenetic signatures in cardiovascular disease. Front Cardiovasc Med 2024; 11:1355980. [PMID: 38529333 PMCID: PMC10962446 DOI: 10.3389/fcvm.2024.1355980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 02/13/2024] [Indexed: 03/27/2024] Open
Abstract
Cardiac sex differences represent a pertinent focus in pursuit of the long-awaited goal of personalized medicine. Despite evident disparities in the onset and progression of cardiac pathology between sexes, historical oversight has led to the neglect of gender-specific considerations in the treatment of patients. This oversight is attributed to a predominant focus on male samples and a lack of sex-based segregation in patient studies. Recognizing these sex differences is not only relevant to the treatment of cisgender individuals; it also holds paramount importance in addressing the healthcare needs of transgender patients, a demographic that is increasingly prominent in contemporary society. In response to these challenges, various agencies, including the National Institutes of Health, have actively directed their efforts toward advancing our comprehension of this phenomenon. Epigenetics has proven to play a crucial role in understanding sex differences in both healthy and disease states within the heart. This review presents a comprehensive overview of the physiological distinctions between males and females during the development of various cardiac pathologies, specifically focusing on unraveling the genetic and epigenetic mechanisms at play. Current findings related to distinct sex-chromosome compositions, the emergence of gender-biased genetic variations, and variations in hormonal profiles between sexes are highlighted. Additionally, the roles of DNA methylation, histone marks, and chromatin structure in mediating pathological sex differences are explored. To inspire further investigation into this crucial subject, we have conducted global analyses of various epigenetic features, leveraging data previously generated by the ENCODE project.
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Affiliation(s)
| | | | - Manuel Rosa-Garrido
- Department of Biomedical Engineering, School of Medicine, School of Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
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5
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Rizo-Téllez SA, Filep JG. Beyond host defense and tissue injury: the emerging role of neutrophils in tissue repair. Am J Physiol Cell Physiol 2024; 326:C661-C683. [PMID: 38189129 PMCID: PMC11193466 DOI: 10.1152/ajpcell.00652.2023] [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: 11/29/2023] [Revised: 12/31/2023] [Accepted: 12/31/2023] [Indexed: 01/09/2024]
Abstract
Neutrophils, the most abundant immune cells in human blood, play a fundamental role in host defense against invading pathogens and tissue injury. Neutrophils carry potentially lethal weaponry to the affected site. Inadvertent and perpetual neutrophil activation could lead to nonresolving inflammation and tissue damage, a unifying mechanism of many common diseases. The prevailing view emphasizes the dichotomy of their function, host defense versus tissue damage. However, tissue injury may also persist during neutropenia, which is associated with disease severity and poor outcome. Numerous studies highlight neutrophil phenotypic heterogeneity and functional versatility, indicating that neutrophils play more complex roles than previously thought. Emerging evidence indicates that neutrophils actively orchestrate resolution of inflammation and tissue repair and facilitate return to homeostasis. Thus, neutrophils mobilize multiple mechanisms to limit the inflammatory reaction, assure debris removal, matrix remodeling, cytokine scavenging, macrophage reprogramming, and angiogenesis. In this review, we will summarize the homeostatic and tissue-reparative functions and mechanisms of neutrophils across organs. We will also discuss how the healing power of neutrophils might be harnessed to develop novel resolution and repair-promoting therapies while maintaining their defense functions.
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Affiliation(s)
- Salma A Rizo-Téllez
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
| | - János G Filep
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
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6
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Halade GV, Upadhyay G, Marimuthu M, Wanling X, Kain V. Exercise reduces pro-inflammatory lipids and preserves resolution mediators that calibrate macrophage-centric immune metabolism in spleen and heart following obesogenic diet in aging mice. J Mol Cell Cardiol 2024; 188:79-89. [PMID: 38364731 DOI: 10.1016/j.yjmcc.2024.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 02/07/2024] [Accepted: 02/08/2024] [Indexed: 02/18/2024]
Abstract
The study investigated the role of volunteer exercise and an obesogenic diet (OBD) in mice, focusing on the splenocardiac axis and inflammation-resolution signaling. Male C57BL/6J mice (2 months old) were assigned to control (CON) or OBD groups for ten months, then randomized into sedentary (Sed) or exercise (Exe) groups for two weeks. Leukocytes, heart function, structure, and spleen tissue examined for inflammation-resolution mediators and macrophage-centric gene transcripts. After two weeks of volunteer exercise, cardiac function shows limited changes, but structural changes were notable in the heart and spleen. Exercise induced cardiac nuclear hyperplasia observed in both CON and OBD groups. OBD-Sed mice showed splenic changes and increased neutrophils, whereas increased neutrophils were noted in the CON post exercise. OBD-Sed increased pro-inflammatory lipid mediators in the heart, reduced by exercise in OBD-Exe, while CON-Exe preserved resolution mediators. Chronic OBD-Sed depletes long chain fatty acids (DHA/EPA) in the heart and spleen, while exercise independently regulates lipid metabolism genes in both organs, affecting macrophage-centric lipid and lipoprotein pathways. Chronic obesity amplified cardiac inflammation, countered by exercise that lowered pro-inflammatory bioactive lipid mediators in the heart. OBD sustained inflammation in the heart and spleen, while exercise conserved resolution mediators in CON mice. In summary, these findings emphasize the interplay of diet with exercise and highlight the intricate connection of diet, exercise, inflammation-resolution signaling in splenocardiac axis and immune health.
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Affiliation(s)
- Ganesh V Halade
- Heart Institute, Division of Cardiovascular Sciences, Department of Internal Medicine, University of South Florida, Tampa, FL, USA.
| | - Gunjan Upadhyay
- Heart Institute, Division of Cardiovascular Sciences, Department of Internal Medicine, University of South Florida, Tampa, FL, USA
| | - MathanKumar Marimuthu
- Heart Institute, Division of Cardiovascular Sciences, Department of Internal Medicine, University of South Florida, Tampa, FL, USA
| | - Xuan Wanling
- Taneja College of Pharmacy, University of South Florida, Tampa, FL, USA
| | - Vasundhara Kain
- Heart Institute, Division of Cardiovascular Sciences, Department of Internal Medicine, University of South Florida, Tampa, FL, USA
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7
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Usselman CW, Lindsey ML, Robinson AT, Habecker BA, Taylor CE, Merryman WD, Kimmerly D, Bender JR, Regensteiner JG, Moreau KL, Pilote L, Wenner MM, O'Brien M, Yarovinsky TO, Stachenfeld NS, Charkoudian N, Denfeld QE, Moreira-Bouchard JD, Pyle WG, DeLeon-Pennell KY. Guidelines on the use of sex and gender in cardiovascular research. Am J Physiol Heart Circ Physiol 2024; 326:H238-H255. [PMID: 37999647 DOI: 10.1152/ajpheart.00535.2023] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/02/2023] [Accepted: 11/21/2023] [Indexed: 11/25/2023]
Abstract
In cardiovascular research, sex and gender have not typically been considered in research design and reporting until recently. This has resulted in clinical research findings from which not only all women, but also gender-diverse individuals have been excluded. The resulting dearth of data has led to a lack of sex- and gender-specific clinical guidelines and raises serious questions about evidence-based care. Basic research has also excluded considerations of sex. Including sex and/or gender as research variables not only has the potential to improve the health of society overall now, but it also provides a foundation of knowledge on which to build future advances. The goal of this guidelines article is to provide advice on best practices to include sex and gender considerations in study design, as well as data collection, analysis, and interpretation to optimally establish rigor and reproducibility needed to inform clinical decision-making and improve outcomes. In cardiovascular physiology, incorporating sex and gender is a necessary component when optimally designing and executing research plans. The guidelines serve as the first guidance on how to include sex and gender in cardiovascular research. We provide here a beginning path toward achieving this goal and improve the ability of the research community to interpret results through a sex and gender lens to enable comparison across studies and laboratories, resulting in better health for all.
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Affiliation(s)
- Charlotte W Usselman
- Cardiovascular Health and Autonomic Regulation Laboratory, Department of Kinesiology and Physical Education, McGill University, Montreal, Quebec, Canada
| | - Merry L Lindsey
- School of Graduate Studies, Meharry Medical College, Nashville, Tennessee, United States
- Research Service, Nashville Veterans Affairs Medical Center, Nashville, Tennessee, United States
| | - Austin T Robinson
- Neurovascular Physiology Laboratory, School of Kinesiology, Auburn University, Auburn, Alabama, United States
| | - Beth A Habecker
- Department of Chemical Physiology and Biochemistry and Knight Cardiovascular Institute, Oregon Health and Science University, Portland, Oregon, United States
| | - Chloe E Taylor
- School of Health Sciences, Western Sydney University, Sydney, New South Wales, Australia
| | - W David Merryman
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, United States
| | - Derek Kimmerly
- Autonomic Cardiovascular Control and Exercise Laboratory, Division of Kinesiology, School of Health and Human Performance, Faculty of Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Jeffrey R Bender
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, Connecticut, United States
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, United States
| | - Judith G Regensteiner
- Divisions of General Internal Medicine and Cardiology, Department of Medicine, Ludeman Family Center for Women's Health Research, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States
| | - Kerrie L Moreau
- Division of Geriatrics, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States
- Eastern Colorado Health Care System, Geriatric Research Education and Clinical Center, Aurora, Colorado, United States
| | - Louise Pilote
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, McGill University, Montreal, Quebec, Canada
| | - Megan M Wenner
- Department of Kinesiology and Applied Physiology, University of Delaware, Newark, Delaware, United States
| | - Myles O'Brien
- School of Physiotherapy and Department of Medicine, Faculty of Health, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Timur O Yarovinsky
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, Connecticut, United States
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, United States
| | - Nina S Stachenfeld
- John B. Pierce Laboratory, New Haven, Connecticut, United States
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, United States
| | - Nisha Charkoudian
- Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Natick, Massachusetts, United States
| | - Quin E Denfeld
- School of Nursing and Knight Cardiovascular Institute, Oregon Health and Science University, Portland, Oregon, United States
| | - Jesse D Moreira-Bouchard
- Q.U.E.E.R. Lab, Programs in Human Physiology, Department of Health Sciences, Boston University College of Health and Rehabilitation Sciences: Sargent College, Boston, Massachusetts, United States
| | - W Glen Pyle
- IMPART Team Canada Network, Dalhousie Medicine, Saint John, New Brunswick, Canada
- Department of Biomedical Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Kristine Y DeLeon-Pennell
- School of Medicine, Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
- Research Service, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina, United States
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8
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Stavileci B. The differences in troponin values among gender in COVID-19 patients. Medicine (Baltimore) 2023; 102:e35553. [PMID: 37904399 PMCID: PMC10615494 DOI: 10.1097/md.0000000000035553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 09/18/2023] [Indexed: 11/01/2023] Open
Abstract
The aim of this study is to investigate the differences on admission troponin values among gender in hospital outcomes and in the 2-year follow-up period in coronavirus disease (COVID-19) patients. Data of 826 patients with moderate-to-severe COVID-19 disease were analyzed retrospectively. All patients had nasal and oropharyngeal swab samples taken according to Ministry of Health guidelines on admission. Patients were divided into female (n = 438) and male (n = 388) groups and were follow-up for 2 years. Clinical events such as need for intensive care unit, respiratory failure, need for inotropic initiation, acute renal failure, cardiac injury, and in-hospital mortality were also recorded. The cumulative endpoints were determined as all-cause mortality, re-hospitalization, and stroke during the 2-year follow-up period. Also, factors affecting the cumulative endpoints were investigated. In clinical events and cumulative endpoints, the differences of troponin values between the gender were investigated and the factors causing cardiac injury were determined separately in men and women. Mean age (59.43 ± 19.15 vs 58.14 ± 16.66) and comorbidities were significantly higher in the female group. There were no differences between genders in terms of clinical events except respiratory failure, which was more frequent in the male group (P = .016). In-hospital survivor rate in the female group was 16 ± 2.5 days (95% confidence interval: 11.08-20.91), in the male group was 14 ± 0.92 days (95% confidence interval: 12.18-15.81) P = .008, while there were no differences between groups among in-hospital morality rates (P = .208). During the 2-year follow-up period cumulative endpoints were more in the male group (P < .05). Troponin value in female ≥ 93 pg/mL, in male ≥ 28 pg/mL was related with cardiac injury. All clinical events occur at lower troponin values in the male group. In both groups, independent risk factors for in-hospital mortality were troponin and the existence of fragmented QRS; for cumulative endpoints were respiratory failure, cardiac injury, and age. We observed that in COVID-19 disease, troponin value differs by gender. A lesser increase in troponin levels in men was indicative of cardiac injury. Even slight increases in troponin levels in men should alert clinicians for cardiac injury and other clinical events.
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Affiliation(s)
- Berna Stavileci
- Faculty of Medicine, Department of Cardiology, Biruni University, İstanbul, Turkey
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9
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Zuo W, Sun R, Ji Z, Ma G. Macrophage-driven cardiac inflammation and healing: insights from homeostasis and myocardial infarction. Cell Mol Biol Lett 2023; 28:81. [PMID: 37858035 PMCID: PMC10585879 DOI: 10.1186/s11658-023-00491-4] [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: 06/15/2023] [Accepted: 09/19/2023] [Indexed: 10/21/2023] Open
Abstract
Early and prompt reperfusion therapy has markedly improved the survival rates among patients enduring myocardial infarction (MI). Nonetheless, the resulting adverse remodeling and the subsequent onset of heart failure remain formidable clinical management challenges and represent a primary cause of disability in MI patients worldwide. Macrophages play a crucial role in immune system regulation and wield a profound influence over the inflammatory repair process following MI, thereby dictating the degree of myocardial injury and the subsequent pathological remodeling. Despite numerous previous biological studies that established the classical polarization model for macrophages, classifying them as either M1 pro-inflammatory or M2 pro-reparative macrophages, this simplistic categorization falls short of meeting the precision medicine standards, hindering the translational advancement of clinical research. Recently, advances in single-cell sequencing technology have facilitated a more profound exploration of macrophage heterogeneity and plasticity, opening avenues for the development of targeted interventions to address macrophage-related factors in the aftermath of MI. In this review, we provide a summary of macrophage origins, tissue distribution, classification, and surface markers. Furthermore, we delve into the multifaceted roles of macrophages in maintaining cardiac homeostasis and regulating inflammation during the post-MI period.
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Affiliation(s)
- Wenjie Zuo
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Nanjing, 210009, China
| | - Renhua Sun
- Department of Cardiology, Yancheng No. 1 People's Hospital, No. 66 South Renmin Road, Yancheng, 224000, China
| | - Zhenjun Ji
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Nanjing, 210009, China
| | - Genshan Ma
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Nanjing, 210009, China.
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10
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Rao A, Gupta A, Kain V, Halade GV. Extrinsic and intrinsic modulators of inflammation-resolution signaling in heart failure. Am J Physiol Heart Circ Physiol 2023; 325:H433-H448. [PMID: 37417877 PMCID: PMC10538986 DOI: 10.1152/ajpheart.00276.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/27/2023] [Accepted: 07/03/2023] [Indexed: 07/08/2023]
Abstract
Chronic and uncleared inflammation is the root cause of various cardiovascular diseases. Fundamentally, acute inflammation is supportive when overlapping with safe clearance of inflammation termed resolution; however, if the lifestyle-directed extrinsic factors such as diet, sleep, exercise, or physical activity are misaligned, that results in unresolved inflammation. Although genetics play a critical role in cardiovascular health, four extrinsic risk factors-unhealthy processed diet, sleep disruption or fragmentation, sedentary lifestyle, thereby, subsequent stress-have been identified as heterogeneous and polygenic triggers of heart failure (HF), which can result in several complications with indications of chronic inflammation. Extrinsic risk factors directly impact endogenous intrinsic factors, such as using fatty acids by immune-responsive enzymes [lipoxygenases (LOXs)/cyclooxygenases (COXs)/cytochromes-P450 (CYP450)] to form resolution mediators that activate specific resolution receptors. Thus, the balance of extrinsic factors such as diet, sleep, and physical activity feed-forward the coordination of intrinsic factors such as fatty acids-enzymes-bioactive lipid receptors that modulates the immune defense, metabolic health, inflammation-resolution signaling, and cardiac health. Future research on lifestyle- and aging-associated molecular patterns is warranted in the context of intrinsic and extrinsic factors, immune fitness, inflammation-resolution signaling, and cardiac health.
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Affiliation(s)
- Archana Rao
- Division of Cardiovascular Sciences, Department of Internal Medicine, Heart Institute, University of South Florida, Tampa, Florida, United States
| | - Akul Gupta
- Division of Cardiovascular Sciences, Department of Internal Medicine, Heart Institute, University of South Florida, Tampa, Florida, United States
| | - Vasundhara Kain
- Division of Cardiovascular Sciences, Department of Internal Medicine, Heart Institute, University of South Florida, Tampa, Florida, United States
| | - Ganesh V Halade
- Division of Cardiovascular Sciences, Department of Internal Medicine, Heart Institute, University of South Florida, Tampa, Florida, United States
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11
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Medzikovic L, Azem T, Sun W, Rejali P, Esdin L, Rahman S, Dehghanitafti A, Aryan L, Eghbali M. Sex Differences in Therapies against Myocardial Ischemia-Reperfusion Injury: From Basic Science to Clinical Perspectives. Cells 2023; 12:2077. [PMID: 37626887 PMCID: PMC10453147 DOI: 10.3390/cells12162077] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/11/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023] Open
Abstract
Mortality from myocardial infarction (MI) has declined over recent decades, which could be attributed in large part to improved treatment methods. Early reperfusion is the cornerstone of current MI treatment. However, reoxygenation via restored blood flow induces further damage to the myocardium, leading to ischemia-reperfusion injury (IRI). While experimental studies overwhelmingly demonstrate that females experience greater functional recovery from MI and decreased severity in the underlying pathophysiological mechanisms, the outcomes of MI with subsequent reperfusion therapy, which is the clinical correlate of myocardial IRI, are generally poorer for women compared with men. Distressingly, women are also reported to benefit less from current guideline-based therapies compared with men. These seemingly contradicting outcomes between experimental and clinical studies show a need for further investigation of sex-based differences in disease pathophysiology, treatment response, and a sex-specific approach in the development of novel therapeutic methods against myocardial IRI. In this literature review, we summarize the current knowledge on sex differences in the underlying pathophysiological mechanisms of myocardial IRI, including the roles of sex hormones and sex chromosomes. Furthermore, we address sex differences in pharmacokinetics, pharmacodynamics, and pharmacogenetics of current drugs prescribed to limit myocardial IRI. Lastly, we highlight ongoing clinical trials assessing novel pharmacological treatments against myocardial IRI and sex differences that may underlie the efficacy of these new therapeutic approaches.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Mansoureh Eghbali
- Department of Anesthesiology & Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles, 10833 Le Conte Ave, CHS BH-550 CHS, Los Angeles, CA 90095, USA (W.S.)
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12
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Gerges SH, Alammari AH, El-Ghiaty MA, Isse FA, El-Kadi AOS. Sex- and enantiospecific differences in the formation rate of hydroxyeicosatetraenoic acids in rat organs. Can J Physiol Pharmacol 2023; 101:425-436. [PMID: 37220651 DOI: 10.1139/cjpp-2023-0014] [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] [Indexed: 05/25/2023]
Abstract
Hydroxyeicosatetraenoic acids (HETEs) are hydroxylated arachidonic acid (AA) metabolites that are classified into midchain, subterminal, and terminal HETEs. Hydroxylation results in the formation of R and S enantiomers for each HETE, except for 20-HETE. HETEs have multiple physiological and pathological effects. Several studies have demonstrated sex-specific differences in AA metabolism in different organs. In this study, microsomes from the heart, liver, kidney, lung, intestine, and brain of adult male and female Sprague-Dawley rats were isolated and incubated with AA. Thereafter, the enantiomers of all HETEs were analyzed by liquid chromatography-tandem mass spectrometry. We found significant sex- and enantiospecific differences in the formation levels of different HETEs in all organs. The majority of HETEs, especially midchain HETEs and 20-HETE, showed significantly higher formation rates in male organs. In the liver, the R enantiomer of several HETEs showed a higher formation rate than the corresponding S enantiomer (e.g., 8-, 9-, and 16-HETE). On the other hand, the brain and small intestine demonstrated a higher abundance of the S enantiomer. 19(S)-HETE was more abundant than 19(R)-HETE in all organs except the kidney. Elucidating sex-specific differences in HETE levels provides interesting insights into their physiological and pathophysiological roles and their possible implications for different diseases.
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Affiliation(s)
- Samar H Gerges
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada
| | - Ahmad H Alammari
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada
| | - Mahmoud A El-Ghiaty
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada
| | - Fadumo A Isse
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada
| | - Ayman O S El-Kadi
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada
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13
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Halade GV, Mat Y, Gowda SGB, Jain S, Hui S, Yadav H, Kain V. Sleep deprivation in obesogenic setting alters lipidome and microbiome toward suboptimal inflammation in acute heart failure. FASEB J 2023; 37:e22899. [PMID: 37002889 DOI: 10.1096/fj.202300184r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/10/2023] [Accepted: 03/20/2023] [Indexed: 04/03/2023]
Abstract
Sleep is a fundamental medicine for cardiac homeostasis, and sleep-deprived individuals are prone to higher incidences of heart attack. The lipid-dense diet (obesogenic diet-OBD) is a cumulative risk factor for chronic inflammation in cardiovascular disease; thus, understanding how sleep fragmentation (SF) in an obesity setting impacts immune and cardiac health is an unmet medical need. We hypothesized whether the co-existence of SF with OBD dysregulates gut homeostasis and leukocyte-derived reparative/resolution mediators, thereby impairing cardiac repair. Two-month-old male C57BL/6J mice were randomized first into two groups, then four groups; Control, control + SF, OBD, and OBD + SF mice subjected to myocardial infarction (MI). OBD mice had higher levels of plasma linolenic acid with a decrease in eicosapentaenoic and docosahexaenoic acid. The OBD mice had lower Lactobacillus johnsonii indicating a loss of probiotic microbiota. SF in OBD mice increased Firmicutes/Bacteroidetes ratio indicative of a detrimental change in SF-directed microbiome. OBD + SF group increased in the neutrophil: lymphocyte ratio suggestive of suboptimal inflammation. As a result of SF, resolution mediators (RvD2, RvD3, RvD5, LXA4 , PD1, and MaR1) decreased and inflammatory mediators (PGD2 , PGE2 , PGF2a , 6k-PGF1a ) were increased in OBD mice post-MI. At the site of infarction, the proinflammatory cytokines Ccl2, IL1β, and IL-6 were amplified in OBD + SF indicating a robust proinflammatory milieu post-MI. Also, brain circadian genes (Bmal1, Clock) were downregulated in SF-subjected control mice, but remained elevated in OBD mice post-MI. SF superimposed on obesity dysregulated physiological inflammation and disrupted resolving response thereby impaired cardiac repair and signs of pathological inflammation.
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Affiliation(s)
- Ganesh V. Halade
- Heart Institute, Division of Cardiovascular Sciences, Department of Internal Medicine University of South Florida Tampa Florida USA
| | - Yusuf Mat
- Heart Institute, Division of Cardiovascular Sciences, Department of Internal Medicine University of South Florida Tampa Florida USA
| | | | - Shalini Jain
- USF Center for Microbiome Research Microbiomes Institute Tampa Florida USA
- Center for Aging and Brain Repair University of South Florida Tampa Florida USA
| | - Shu‐Ping Hui
- Faculty of Health Sciences Hokkaido University Sapporo Japan
| | - Hariom Yadav
- USF Center for Microbiome Research Microbiomes Institute Tampa Florida USA
- Center for Aging and Brain Repair University of South Florida Tampa Florida USA
| | - Vasundhara Kain
- Heart Institute, Division of Cardiovascular Sciences, Department of Internal Medicine University of South Florida Tampa Florida USA
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14
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Zambrano MA, Alcaide P. Immune Cells in Cardiac Injury Repair and Remodeling. Curr Cardiol Rep 2023; 25:315-323. [PMID: 36961658 PMCID: PMC10852991 DOI: 10.1007/s11886-023-01854-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/28/2023] [Indexed: 03/25/2023]
Abstract
PURPOSE OF REVIEW Immune cells are emerging as central cellular components of the heart which communicate with cardiac resident cells during homeostasis, cardiac injury, and remodeling. These findings are contributing to the development and continuous expansion of the new field of cardio-immunology. We review the most recent literature on this topic and discuss ongoing and future efforts to advance this field forward. RECENT FINDINGS Cell-fate mapping, strategy depleting, and reconstituting immune cells in pre-clinical models of cardiac disease, combined with the investigation of the human heart at the single cell level, are contributing immensely to our understanding of the complex intercellular communication between immune and non-immune cells in the heart. While the acute immune response is necessary to initiate inflammation and tissue repair post injury, it becomes detrimental when sustained over time and contributes to adverse cardiac remodeling and pathology. Understanding the specific functions of immune cells in the context of the cardiac environment will provide new opportunities for immunomodulation to induce or tune down inflammation as needed in heart disease.
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Affiliation(s)
- Maria Antonia Zambrano
- Department of Immunology, Tufts University School of Medicine, 136 Harrison Avenue, M&V 701, 02111, Boston, MA, USA
- Immunology Graduate Program, Graduate School of Biomedical Sciences, Tufts University School of Medicine, Boston, MA, USA
| | - Pilar Alcaide
- Department of Immunology, Tufts University School of Medicine, 136 Harrison Avenue, M&V 701, 02111, Boston, MA, USA.
- Immunology Graduate Program, Graduate School of Biomedical Sciences, Tufts University School of Medicine, Boston, MA, USA.
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15
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Tan X, Zhang R, Lan M, Wen C, Wang H, Guo J, Zhao X, Xu H, Deng P, Pi H, Yu Z, Yue R, Hu H. Integration of transcriptomics, metabolomics, and lipidomics reveals the mechanisms of doxorubicin-induced inflammatory responses and myocardial dysfunction in mice. Biomed Pharmacother 2023; 162:114733. [PMID: 37087977 DOI: 10.1016/j.biopha.2023.114733] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 04/13/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023] Open
Abstract
Doxorubicin (DOX) is an anthracycline antineoplastic agent that has limited clinical utility due to its dose-dependent cardiotoxicity. Although the exact mechanism remains unknown, inflammatory responses have been implicated in DOX-induced cardiotoxicity (DIC). In this study, we analyzed the transcriptomic, metabolomic as well as lipidomic changes in the DOX-treated mice to explore the underlying mechanisms of DIC. We found that continuous intraperitoneal DOX injections (3 mg/kg/d) for a period of five days significantly induced cardiac dysfunction and cardiac injury in male C57BL/6 J mice (8 weeks old). This corresponded to a significant increase in the myocardial levels of IL-4, IL-6, IL-10, IL-17 and IL-12p70. Furthermore, inflammation-related genes such as Ptgs2, Il1b, Cxcl5, Cxcl1, Cxcl2, Mmp3, Ccl2, Ccl12, Nfkbia, Fos, Mapk11 and Tnf were differentially expressed in the DOX-treated group, and enriched in the IL-17 and TNF signaling pathways. Besides, amino acids, peptides, imidazoles, toluenes, hybrid peptides, fatty acids and lipids such as Hex1Cer, Cer, SM, PG and ACCa were significantly associated with the expression pattern of inflammation-related genes. In conclusion, the integration of transcriptomic, metabolomic and lipidomic data identified potential new targets and biomarkers of DIC.
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Affiliation(s)
- Xin Tan
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Rongyi Zhang
- Department of Cardiology, Nanchong Central Hospital, The Second Clinical Institute of North Sichuan Medical College, Nanchong China; Jinan University, No. 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Meide Lan
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Cong Wen
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Hao Wang
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Junsong Guo
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Xuemei Zhao
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Hui Xu
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Ping Deng
- Department of Occupational Health, Third Military Medical University, Chongqing 400038, China
| | - Huifeng Pi
- Department of Occupational Health, Third Military Medical University, Chongqing 400038, China
| | - Zhengping Yu
- Department of Occupational Health, Third Military Medical University, Chongqing 400038, China
| | - Rongchuan Yue
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China.
| | - Houxiang Hu
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Jinan University, No. 601 Huangpu Avenue West, Guangzhou 510632, China.
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16
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Conlon FL, Arnold AP. Sex chromosome mechanisms in cardiac development and disease. NATURE CARDIOVASCULAR RESEARCH 2023; 2:340-350. [PMID: 37808586 PMCID: PMC10558115 DOI: 10.1038/s44161-023-00256-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 02/13/2023] [Indexed: 10/10/2023]
Abstract
Many human diseases, including cardiovascular disease, show differences between men and women in pathology and treatment outcomes. In the case of cardiac disease, sex differences are exemplified by differences in the frequency of specific types of congenital and adult-onset heart disease. Clinical studies have suggested that gonadal hormones are a factor in sex bias. However, recent research has shown that gene and protein networks under non-hormonal control also account for cardiac sex differences. In this review, we describe the sex chromosome pathways that lead to sex differences in the development and function of the heart and highlight how these findings affect future care and treatment of cardiac disease.
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Affiliation(s)
- Frank L Conlon
- Departments of Biology and Genetics, McAllister Heart Institute, UNC-Chapel Hill, Chapel Hill, NC 27599, USA
| | - Arthur P Arnold
- Department of Integrative Biology & Physiology, University of California, Los Angeles, CA, 90095, USA
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17
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Doudin A, Riebeling T, Staab J, Menon PR, Lühder F, Wirths O, Vinkemeier U, Ivetic A, Meyer T. Lack of STAT1 co-operative DNA binding protects against adverse cardiac remodelling in acute myocardial infarction. Front Cardiovasc Med 2023; 10:975012. [PMID: 36923955 PMCID: PMC10008942 DOI: 10.3389/fcvm.2023.975012] [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: 06/21/2022] [Accepted: 02/02/2023] [Indexed: 03/03/2023] Open
Abstract
In this study, we addressed the functional significance of co-operative DNA binding of the cytokine-driven transcription factor STAT1 (signal transducer and activator of transcription 1) in an experimental murine model of acute myocardial infarction (MI). STAT1 knock-in mice expressing a phenylalanine-to-alanine substitution at position 77 in the STAT1 amino-terminal domain were examined for the early clinical effects produced by ligation of the left anterior descending coronary artery (LAD), an established model for MI. The F77A mutation has been previously reported to disrupt amino-terminal interactions between adjacent STAT1 dimers resulting in impaired tetramerization and defective co-operative binding on DNA, while leaving other protein functions unaffected. Our results demonstrate that a loss of STAT1 tetramer stabilization improves survival of adult male mice and ameliorates left ventricular dysfunction in female mice, as determined echocardiographically by an increased ejection fraction and a reduced left intra-ventricular diameter. We found that the ratio of STAT3 to STAT1 protein level was higher in the infarcted tissue in knock-in mice as compared to wild-type (WT) mice, which was accompanied by an enhanced infiltration of immune cells in the infarcted area, as determined by histology. Additionally, RNA sequencing of the infarcted tissue 24 h after LAD ligation revealed an upregulation of inflammatory genes in the knock-in mice, as compared to their WT littermates. Concomitantly, genes involved in oxidative phosphorylation and other metabolic pathways showed a significantly more pronounced downregulation in the infarcted tissue from STAT1F77A/F77A mice than in WT animals. Based on these results, we propose that dysfunctional STAT1 signalling owing to a lack of oligomerisation results in a compensatory increase in STAT3 expression and promotes early infiltration of immune cells in the infarcted area, which has beneficial effects on left ventricular remodelling in early MI following LAD ligation.
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Affiliation(s)
- Asmma Doudin
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Centre Göttingen, and German Centre for Cardiovascular Research (DZHK), Partner Site Göttingen, Göttingen, Germany
| | - Theresa Riebeling
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Centre Göttingen, and German Centre for Cardiovascular Research (DZHK), Partner Site Göttingen, Göttingen, Germany.,Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Julia Staab
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Centre Göttingen, and German Centre for Cardiovascular Research (DZHK), Partner Site Göttingen, Göttingen, Germany
| | - Priyanka Rajeev Menon
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Centre Göttingen, and German Centre for Cardiovascular Research (DZHK), Partner Site Göttingen, Göttingen, Germany
| | - Fred Lühder
- Institute for Neuroimmunology and Multiple Sclerosis Research, University Medical Centre Göttingen, Göttingen, Germany
| | - Oliver Wirths
- Department of Psychiatry and Psychotherapy, University Medical Centre Göttingen, Göttingen, Germany
| | - Uwe Vinkemeier
- Division of Infections, Immunity and Microbes, School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Aleksandar Ivetic
- British Heart Foundation Centre, School of Cardiovascular and Metabolic Medicine and Sciences, King's College London, London, United Kingdom
| | - Thomas Meyer
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Centre Göttingen, and German Centre for Cardiovascular Research (DZHK), Partner Site Göttingen, Göttingen, Germany
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18
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Chalise U, Becirovic‐Agic M, Lindsey ML. The cardiac wound healing response to myocardial infarction. WIREs Mech Dis 2023; 15:e1584. [PMID: 36634913 PMCID: PMC10077990 DOI: 10.1002/wsbm.1584] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 03/31/2022] [Accepted: 05/18/2022] [Indexed: 01/14/2023]
Abstract
Myocardial infarction (MI) is defined as evidence of myocardial necrosis consistent with prolonged ischemia. In response to MI, the myocardium undergoes a series of wound healing events that initiate inflammation and shift to anti-inflammation before transitioning to tissue repair that culminates in scar formation to replace the region of the necrotic myocardium. The overall response to MI is determined by two major steps, the first of which is the secretion of proteases by infiltrating leukocytes to breakdown extracellular matrix (ECM) components, a necessary step to remove necrotic cardiomyocytes. The second step is the generation of new ECM that comprises the scar; and this step is governed by the cardiac fibroblasts as the major source of new ECM synthesis. The leukocyte component resides in the middle of the two-step process, contributing to both sides as the leukocytes transition from pro-inflammatory to anti-inflammatory and reparative cell phenotypes. The balance between the two steps determines the final quantity and quality of scar formed, which in turn contributes to chronic outcomes following MI, including the progression to heart failure. This review will summarize our current knowledge regarding the cardiac wound healing response to MI, primarily focused on experimental models of MI in mice. This article is categorized under: Cardiovascular Diseases > Molecular and Cellular Physiology Immune System Diseases > Molecular and Cellular Physiology.
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Affiliation(s)
- Upendra Chalise
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular ResearchUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Research ServiceNebraska‐Western Iowa Health Care SystemOmahaNebraskaUSA
| | - Mediha Becirovic‐Agic
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular ResearchUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Research ServiceNebraska‐Western Iowa Health Care SystemOmahaNebraskaUSA
| | - Merry L. Lindsey
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular ResearchUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Research ServiceNebraska‐Western Iowa Health Care SystemOmahaNebraskaUSA
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19
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Defining the timeline of periostin upregulation in cardiac fibrosis following acute myocardial infarction in mice. Sci Rep 2022; 12:21863. [PMID: 36529756 PMCID: PMC9760637 DOI: 10.1038/s41598-022-26035-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
After myocardial infarction (MI), the heart's reparative response to the ischemic insult and the related loss of cardiomyocytes involves cardiac fibrosis, in which the damaged tissue is replaced with a fibrous scar. Although the scar is essential to prevent ventricular wall rupture in the infarction zone, it expands over time to remote, non-infarct areas, significantly increasing the extent of fibrosis and markedly altering cardiac structure. Cardiac function in this scenario deteriorates, thereby increasing the probability of heart failure and the risk of death. Recent works have suggested that the matricellular protein periostin, known to be involved in fibrosis, is a candidate therapeutic target for the regulation of MI-induced fibrosis and remodeling. Different strategies for the genetic manipulation of periostin have been proposed previously, yet those works did not properly address the time dependency between periostin activity and cardiac fibrosis. Our study aimed to fill that gap in knowledge and fully elucidate the explicit timing of cellular periostin upregulation in the infarcted heart to enable the safer and more effective post-MI targeting of periostin-producing cells. Surgical MI was performed in C57BL/6J and BALB/c mice by ligation of the left anterior descending coronary artery. Flow cytometry analyses of cells derived from the infarcted hearts and quantitative real-time PCR of the total cellular RNA revealed that periostin expression increased during days 2-7 and peaked on day 7 post-infarct, regardless of mouse strain. The established timeline for cellular periostin expression in the post-MI heart is a significant milestone toward the development of optimal periostin-targeted gene therapy.
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20
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Wohlfahrt P, Jenča D, Melenovský V, Šramko M, Kotrč M, Želízko M, Mrázková J, Adámková V, Pitha J, Kautzner J. Trajectories and determinants of left ventricular ejection fraction after the first myocardial infarction in the current era of primary coronary interventions. Front Cardiovasc Med 2022; 9:1051995. [PMID: 36451922 PMCID: PMC9702523 DOI: 10.3389/fcvm.2022.1051995] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 10/27/2022] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Left ventricular ejection fraction (EF) is an independent predictor of adverse outcomes after myocardial infarction (MI). However, current data on trajectories and determinants of EF are scarce. The present study aimed to describe the epidemiology of EF after MI. METHODS Data from a single-center prospectively-designed registry of consecutive patients hospitalized at a large tertiary cardiology center were utilized. RESULTS Out of 1,593 patients in the registry, 1,065 were hospitalized for MI type I (65.4% STEMI) and had no previous history of heart failure or MI. At discharge, EF < 40% was present in 238 (22.3%), EF 40-50% in 326 (30.6%) and EF > 50% in 501 (47.0%). Patients with EF < 40% were often those who suffered subacute and anterior STEMI, had higher heart rate at admission and higher maximal troponin level, and had more often HF signs requiring intravenous diuretics. Among subjects with EF < 40%, the follow-up EF was available in 166 (80% of eligible). Systolic function recovered to EF > 50% in 39 (23.1%), slightly improved to EF 40-50% in 44 (26.0%) and remained below 40% in 86 (50.9%). Systolic function improvement to EF > 40% was predicted by lower severity of coronary atherosclerosis, lower leukocyte count, and the absence of atrial fibrillation. CONCLUSIONS Despite recent improvements in in-hospital MI care, one in five patients has systolic dysfunction at hospital discharge. Out of these, EF improves in 51%, and full recovery is observed in 23%. The severity of coronary atherosclerosis, inflammatory response to MI, and atrial fibrillation may affect EF recovery.
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Affiliation(s)
- Peter Wohlfahrt
- Department of Preventive Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
- First Medical School, Charles University, Prague, Czechia
| | - Dominik Jenča
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
- Third Medical School, Charles University, Prague, Czechia
| | - Vojtěch Melenovský
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
| | - Marek Šramko
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
| | - Martin Kotrč
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
| | - Michael Želízko
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
| | - Jolana Mrázková
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
| | - Věra Adámková
- Department of Preventive Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
| | - Jan Pitha
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
| | - Josef Kautzner
- Department of Cardiology, Institute for Clinical and Experimental Medicine (IKEM), Prague, Czechia
- Medical and Dentistry School, Palacký University, Olomouc, Czechia
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21
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Halade GV, Kain V, Hossain S, Parcha V, Limdi NA, Arora P. Arachidonate 5-lipoxygenase is essential for biosynthesis of specialized pro-resolving mediators and cardiac repair in heart failure. Am J Physiol Heart Circ Physiol 2022; 323:H721-H737. [PMID: 36018758 PMCID: PMC9529265 DOI: 10.1152/ajpheart.00115.2022] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 08/17/2022] [Accepted: 08/19/2022] [Indexed: 11/22/2022]
Abstract
Arachidonate 5-lipoxygenase (ALOX5)-derived leukotrienes are primary signals of leukocyte activation and inflammation in response to ischemic cardiac injury (MI; myocardial infarction). Using risk-free male C57BL/6J and ALOX5-null mice (8-12 wk), we quantitated leukocytes and ALOX5-derived bioactive lipids of the infarcted left ventricle (LV) and spleen to measure the physiological inflammation and cardiac repair. Our results showed that ALOX5 endogenously generates specialized pro-resolving mediators (SPMs) that facilitate cardiac repair post-MI. Deficiency of ALOX5 leads to increase in cyclooxygenase gene expression, 6-keto prostaglandin F1α, and delayed neutrophil clearance with signs of unresolved inflammation post-MI. Consequently, ALOX5 deficiency impaired the resolution of inflammation and cardiac repair, including increased myocardium rupture post-MI in acute heart failure. On-time ALOX5 activation is critical for leukocyte clearance from the infarcted heart, indicating an essential role of ALOX5 in the resolution of inflammation. In addition, to balance the inflammatory responses, ALOX5 is also necessary for fibroblast signaling, as the ALOX5-deficient fibroblast are prone to fibroblast-to-myofibroblast differentiation leading to defective scar formation in post-MI cardiac repair. Consistent with these findings, ALOX5-null mice showed an overly inflammatory response, defective fibrotic signaling, and unresolved inflammation. These findings are indicative of a critical role of ALOX5 in myocardium healing, inflammation-resolution signaling, cardiac repair, and fibroblast pathophysiology.NEW & NOTEWORTHY Arachidonate 5-lipoxygenase (ALOX5) is critical in synthesizing specialized pro-resolving mediators that facilitate cardiac repair after cardiac injury. Thus, ALOX5 orchestrates the overlapping phases of inflammation and resolution to facilitate myocardium healing in cardiac repair postmyocardial infarction.
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Affiliation(s)
- Ganesh V Halade
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, Florida
| | - Vasundhara Kain
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, Florida
| | - Shahriare Hossain
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, Florida
| | - Vibhu Parcha
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, Alabama
| | - Nita A Limdi
- Department of Neurology, The University of Alabama at Birmingham, Birmingham, Alabama
| | - Pankaj Arora
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, Alabama
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22
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Kubota A, Frangogiannis NG. Macrophages in myocardial infarction. Am J Physiol Cell Physiol 2022; 323:C1304-C1324. [PMID: 36094436 PMCID: PMC9576166 DOI: 10.1152/ajpcell.00230.2022] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 09/06/2022] [Accepted: 09/06/2022] [Indexed: 11/22/2022]
Abstract
The heart contains a population of resident macrophages that markedly expands following injury through recruitment of monocytes and through proliferation of macrophages. In myocardial infarction, macrophages have been implicated in both injurious and reparative responses. In coronary atherosclerotic lesions, macrophages have been implicated in disease progression and in the pathogenesis of plaque rupture. Following myocardial infarction, resident macrophages contribute to initiation and regulation of the inflammatory response. Phagocytosis and efferocytosis are major functions of macrophages during the inflammatory phase of infarct healing, and mediate phenotypic changes, leading to acquisition of an anti-inflammatory macrophage phenotype. Infarct macrophages respond to changes in the cytokine content and extracellular matrix composition of their environment and secrete fibrogenic and angiogenic mediators, playing a central role in repair of the infarcted heart. Macrophages may also play a role in scar maturation and may contribute to chronic adverse remodeling of noninfarcted segments. Single cell studies have revealed a remarkable heterogeneity of macrophage populations in infarcted hearts; however, the relations between transcriptomic profiles and functional properties remain poorly defined. This review manuscript discusses the fate, mechanisms of expansion and activation, and role of macrophages in the infarcted heart. Considering their critical role in injury, repair, and remodeling, macrophages are important, but challenging, targets for therapeutic interventions in myocardial infarction.
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Affiliation(s)
- Akihiko Kubota
- Department of Medicine (Cardiology), Albert Einstein College of Medicine, The Wilf Family Cardiovascular Research Institute, Bronx, New York
| | - Nikolaos G Frangogiannis
- Department of Medicine (Cardiology), Albert Einstein College of Medicine, The Wilf Family Cardiovascular Research Institute, Bronx, New York
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23
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Shim HB, Deniset JF, Kubes P. Neutrophils in homeostasis and tissue repair. Int Immunol 2022; 34:399-407. [PMID: 35752158 DOI: 10.1093/intimm/dxac029] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/25/2022] [Indexed: 11/13/2022] Open
Abstract
Neutrophils are the most abundant innate immune cell and are equipped with highly destructive molecular cargo. As such, these cells were long thought to be short-lived killer cells that unleash their full cytotoxic programs on pathogens following infection and on host bystander cells after sterile injury. However, this view of neutrophils is overly simplistic and as a result is outdated. Numerous studies now collectively highlight neutrophils as far more complex and having a host of homeostatic and tissue-reparative functions. In this review, we summarize these underappreciated roles across organs and injury models.
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Affiliation(s)
- Hanjoo Brian Shim
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
| | - Justin F Deniset
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada.,Department of Cardiac Sciences, University of Calgary, Calgary, Alberta, Canada.,Libin Cardiovascular Institute, University of Calgary, Calgary, Alberta, Canada
| | - Paul Kubes
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
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24
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Proteomics Reveals Long-Term Alterations in Signaling and Metabolic Pathways Following Both Myocardial Infarction and Chemically Induced Denervation. Neurochem Res 2022; 47:2416-2430. [PMID: 35716295 DOI: 10.1007/s11064-022-03636-7] [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: 02/09/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 10/18/2022]
Abstract
Myocardial infraction (MI) is the principal risk factor for the onset of heart failure (HF). Investigations regarding the physiopathology of MI progression to HF have revealed the concerted engagement of other tissues, such as the autonomic nervous system and the medulla oblongata (MO), giving rise to systemic effects, important in the regulation of heart function. Cardiac sympathetic afferent denervation following application of resiniferatoxin (RTX) attenuates cardiac remodelling and restores cardiac function following MI. While the physiological responses are well documented in numerous species, the underlying molecular responses during the initiation and progression from MI to HF remains unclear. We obtained multi-tissue time course proteomics with a murine model of HF induced by MI in conjunction with RTX application. We isolated tissue sections from the left ventricle (LV), MO, cervical spinal cord and cervical vagal nerves at four time points over a 12-week study. Bioinformatic analyses consistently revealed a high statistical enrichment for metabolic pathways in all tissues and treatments, implicating a central role of mitochondria in the tissue-cellular response to both MI and RTX. In fact, the additional functional pathways found to be enriched in these tissues, involving the cytoskeleton, vesicles and signal transduction, could be downstream of responses initiated by mitochondria due to changes in neuronal pulse frequency after a shock such as MI or the modification of such frequency communication from the heart to the brain after RTX application. Development of future experiments, based on our proteomic results, should enable the dissection of more precise mechanisms whereby metabolic changes in neuronal and cardiac tissues can effectively ameliorate the negative physiological effects of MI via RTX application.
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25
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Halade GV, Kain V, De La Rosa X, Lindsey ML. Metabolic transformation of fat in obesity determines the inflammation resolving capacity of splenocardiac and cardiorenal networks in heart failure. Am J Physiol Heart Circ Physiol 2022; 322:H953-H970. [PMID: 35333119 PMCID: PMC9054267 DOI: 10.1152/ajpheart.00684.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 03/23/2022] [Accepted: 03/23/2022] [Indexed: 01/02/2023]
Abstract
All fats are not created equal, and despite the extensive literature, the effect of fat intake is the most debated question in obesity, cardiovascular, and cardiorenal research. Cellular and molecular mechanisms underlying cardiac dysfunction and consequent heart failure in the setting of obesity are not well understood. Our understanding of how fats are metabolically transformed after nonreperfused myocardial infarction (MI), in particular, is incomplete. Here, using male C57BL/6J mice (2 mo old), we determined the role of omega-6 fatty acids, provided as safflower oil (SO) for 12 wk, followed by supplementation with docosahexaenoic acid (DHA; n-3 fatty acids) for 8 wk before MI. With SO feeding, inflammation resolution was impaired. Specialized proresolving mediators (SPMs) increased in DHA-fed mice to reverse the effects of SO, whereas prostaglandins and thromboxane B2 were reduced in the spleen and amplified multiple resolving mechanisms in heart and kidney post-MI. DHA amplified the number of resolving macrophages and cardiac reparative pathways of the splenocardiac and cardiorenal networks in acute heart failure, with higher Treg cells in chronic heart failure and marked expression of Foxp3+ in the myocardium. Our findings indicate that surplus ingestion of SO intensified systemic, baseline, nonresolving inflammation, and DHA intake dominates splenocardiac resolving phase with the biosynthesis of SPMs and controlled cardiorenal inflammation in heart failure survivor mice.NEW & NOTEWORTHY Chronic and surplus dietary intake of safflower oil (SO) increased plasma creatinine dysregulated post-MI splenocardiac inflammation coincides with the dysfunctional cardiorenal network. In contrast, docosahexaenoic acid (DHA) increases post-MI survival in chronic heart failure. DHA transforms into specialized proresolving mediators (SPMs) and limited proinflammatory prostaglandins and thromboxanes following myocardial infarction (MI). DHA promotes Ly6Clow resolving macrophages and T regulatory cells (Foxp3+) in a splenocardiac manner post-MI.
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Affiliation(s)
- Ganesh V Halade
- Division of Cardiovascular Sciences, Department of Medicine, The University of South Florida, Tampa, Florida
| | - Vasundhara Kain
- Division of Cardiovascular Sciences, Department of Medicine, The University of South Florida, Tampa, Florida
| | - Xavier De La Rosa
- Department of Anesthesiology, Perioperative and Pain Medicine, Center for Experimental Therapeutics and Reperfusion Injury, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Merry L Lindsey
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular Research, University of Nebraska Medical Center, Omaha, Nebraska
- Research Service, Nebraska-Western Iowa Health Care System, Omaha, Nebraska
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26
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Smad-dependent pathways in the infarcted and failing heart. Curr Opin Pharmacol 2022; 64:102207. [DOI: 10.1016/j.coph.2022.102207] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/10/2022] [Accepted: 02/22/2022] [Indexed: 02/08/2023]
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27
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Halade GV, Lee DH. Inflammation and resolution signaling in cardiac repair and heart failure. EBioMedicine 2022; 79:103992. [PMID: 35405389 PMCID: PMC9014358 DOI: 10.1016/j.ebiom.2022.103992] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 12/11/2022] Open
Abstract
Unresolved inflammation is a key mediator of advanced heart failure. Especially, damage, pathogen, and lifestyle-associated molecular patterns are the major factors in initiating baseline inflammatory diseases, particularly in cardiac pathology. After a significant cardiac injury like a heart attack, splenic and circulating leukocytes begin a highly optimized sequence of immune cell recruitment (neutrophils and monocytes) to coordinate effective tissue repair. An injured cardiac tissue repair and homeostasis are dependent on clearance of cellular debris where the recruited leukocytes transition from a pro-inflammatory to a reparative program through resolution process. After a cardiac injury, macrophages play a decisive role in cardiac repair through the biosynthesis of endogenous lipid mediators that ensure a timely tissue repair while avoiding chronic inflammation and impaired cardiac repair. However, dysregulation of resolution of inflammation processes due to cardiometabolic defects (obesity, hypertension, and diabetes), aging, or co-medication(s) lead to impaired cardiac repair. Hence, the presented review demonstrates the fundamental role of leukocytes, in particular macrophages orchestrate the inflammation and resolution biology, focusing on the biosynthesis of specialized lipid mediators in cardiac repair and heart failure. This work was supported by research funds from National Institutes of Health (AT006704, HL132989, and HL144788) to G.V.H. The authors acknowledges the use of Servier Medical Art image bank and Biorender that is used to create schematic Figures 1–3.
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Affiliation(s)
- Ganesh V Halade
- Division of Cardiovascular Sciences, Department of Medicine, Heart Institute, University of South Florida, 560 Channelside Dr, Tampa, FL 33602, United States.
| | - Dae Hyun Lee
- Division of Cardiovascular Sciences, Department of Medicine, Heart Institute, University of South Florida, 560 Channelside Dr, Tampa, FL 33602, United States
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28
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Sex Differences in Cardiovascular Diseases: A Matter of Estrogens, Ceramides, and Sphingosine 1-Phosphate. Int J Mol Sci 2022; 23:ijms23074009. [PMID: 35409368 PMCID: PMC8999971 DOI: 10.3390/ijms23074009] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/01/2022] [Accepted: 04/04/2022] [Indexed: 12/30/2022] Open
Abstract
The medical community recognizes sex-related differences in pathophysiology and cardiovascular disease outcomes (CVD), culminating with heart failure. In general, pre-menopausal women tend to have a better prognosis than men. Explaining why this occurs is not a simple matter. For decades, sex hormones like estrogens (Es) have been identified as one of the leading factors driving these sex differences. Indeed, Es seem protective in women as their decline, during and after menopause, coincides with an increased CV risk and HF development. However, clinical trials demonstrated that E replacement in post-menopause women results in adverse cardiac events and increased risk of breast cancer. Thus, a deeper understanding of E-related mechanisms is needed to provide a vital gateway toward better CVD prevention and treatment in women. Of note, sphingolipids (SLs) and their metabolism are strictly related to E activities. Among the SLs, ceramide and sphingosine 1-phosphate play essential roles in mammalian physiology, particularly in the CV system, and appear differently modulated in males and females. In keeping with this view, here we explore the most recent experimental and clinical observations about the role of E and SL metabolism, emphasizing how these factors impact the CV system.
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29
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Becirovic-Agic M, Chalise U, Jung M, Rodriguez-Paar JR, Konfrst SR, Flynn ER, Salomon JD, Hall ME, Lindsey ML. Faster skin wound healing predicts survival after myocardial infarction. Am J Physiol Heart Circ Physiol 2022; 322:H537-H548. [PMID: 35089808 PMCID: PMC8917917 DOI: 10.1152/ajpheart.00612.2021] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/06/2022] [Accepted: 01/24/2022] [Indexed: 12/20/2022]
Abstract
Both skin wound healing and the cardiac response to myocardial infarction (MI) progress through similar pathways involving inflammation, resolution, tissue repair, and scar formation. Due to the similarities, we hypothesized that the healing response to skin wounding would predict future response to MI. Mice were given a 3-mm skin wound using a disposable biopsy punch and the skin wound was imaged daily until closure. The same set of animals was given MI by permanent coronary artery ligation 28 days later and followed for 7 days. Cardiac physiology was measured by echocardiography at baseline and MI days 3 and 7. Animals that survived until day 7 were grouped as survivors, and animals that died from MI were grouped as nonsurvivors. Survivors had faster skin wound healing than nonsurvivors. Faster skin wound healing predicted MI survival better than commonly used cardiac functional variables (e.g., infarct size, fractional shortening, and end diastolic dimension). N-glycoproteome profiling of MI day 3 plasma revealed α2-macroglobulin and ELL-associated factor 1 as strong predictors of future MI death and progression to heart failure. A second cohort of MI mice validated these findings. To investigate the clinical relevance of α2-macroglobulin, we mapped the plasma glycoproteome in patients with MI 48 h after admission and in healthy controls. In patients, α2-macroglobulin was increased 48 h after MI. Apolipoprotein D, another plasma glycoprotein, detrimentally regulated both skin and cardiac wound healing in male but not female mice by promoting inflammation. Our results reveal that the skin is a mirror to the heart and common pathways link wound healing across organs.NEW & NOTEWORTHY Faster skin wound healers had more efficient cardiac healing after myocardial infarction (MI). Two plasma proteins at D3 MI, EAF1 and A2M, predicted MI death in 66% of cases. ApoD regulated both skin and cardiac wound healing in male mice by promoting inflammation. The skin was a mirror to the heart and common pathways linked wound healing across organs.
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Affiliation(s)
- Mediha Becirovic-Agic
- University of Nebraska Medical Center, Omaha, Nebraska
- Research Service, Nebraska-Western Iowa Health Care System, Omaha, Nebraska
| | - Upendra Chalise
- University of Nebraska Medical Center, Omaha, Nebraska
- Research Service, Nebraska-Western Iowa Health Care System, Omaha, Nebraska
| | - Mira Jung
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany
| | - Jocelyn R Rodriguez-Paar
- University of Nebraska Medical Center, Omaha, Nebraska
- Research Service, Nebraska-Western Iowa Health Care System, Omaha, Nebraska
| | - Shelby R Konfrst
- University of Nebraska Medical Center, Omaha, Nebraska
- Research Service, Nebraska-Western Iowa Health Care System, Omaha, Nebraska
| | - Elizabeth R Flynn
- Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi
| | - Jeffrey D Salomon
- University of Nebraska Medical Center, Omaha, Nebraska
- Division of Pediatric Critical Care, Department of Pediatrics, University of Nebraska Medical Center, Omaha, Nebraska
| | - Michael E Hall
- Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi
| | - Merry L Lindsey
- University of Nebraska Medical Center, Omaha, Nebraska
- Research Service, Nebraska-Western Iowa Health Care System, Omaha, Nebraska
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30
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Sex-Related Effects on Cardiac Development and Disease. J Cardiovasc Dev Dis 2022; 9:jcdd9030090. [PMID: 35323638 PMCID: PMC8949052 DOI: 10.3390/jcdd9030090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 03/16/2022] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular diseases (CVD) are the leading cause of morbidity and mortality. Interestingly, male and female patients with CVD exhibit distinct epidemiological and pathophysiological characteristics, implying a potentially important role for primary and secondary sex determination factors in heart development, aging, disease and therapeutic responses. Here, we provide a concise review of the field and discuss current gaps in knowledge as a step towards elucidating the “sex determination–heart axis”. We specifically focus on cardiovascular manifestations of abnormal sex determination in humans, such as in Turner and Klinefelter syndromes, as well as on the differences in cardiac regenerative potential between species with plastic and non-plastic sexual phenotypes. Sex-biased cardiac repair mechanisms are also discussed with a focus on the role of the steroid hormone 17β-estradiol. Understanding the “sex determination–heart axis” may offer new therapeutic possibilities for enhanced cardiac regeneration and/or repair post-injury.
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31
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Kain V, Halade GV. Dysfunction of resolution receptor triggers cardiomyopathy of obesity and signs of non-resolving inflammation in heart failure. Mol Cell Endocrinol 2022; 542:111521. [PMID: 34843898 PMCID: PMC10515100 DOI: 10.1016/j.mce.2021.111521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 11/03/2021] [Accepted: 11/23/2021] [Indexed: 10/19/2022]
Abstract
Heart failure with preserved ejection fraction (HFpEF) has been an emerging type of cardiac disease since the pseudo-left ventricle function is preserved; therefore, challenges in finding the target and treatment. Damage and pathogen-associated molecular patterns (DAMPs and PAMPs) are widely investigated in acute and chronic inflammation in heart failure; however, lifestyle-associated molecular patterns (LAMPs: diet, sleep, exercise), particularly in obesity, remains of interest due to the enormous increase of HFpEF patients. In this review, we covered obesity-related cardiomyopathy, LAMPs, and resolution receptor dysfunction in the context of heart failure with preserved ejection fraction.
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Affiliation(s)
- Vasundhara Kain
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, FL, 33602, USA
| | - Ganesh V Halade
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, FL, 33602, USA.
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32
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Involvement of ischemia-driven 5-lipoxygenase-resolvin-E1-chemokine like receptor-1 axis in the resolution of post-coronary artery bypass graft inflammation in coronary arteries. Mol Biol Rep 2022; 49:3123-3134. [DOI: 10.1007/s11033-022-07143-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 01/11/2022] [Indexed: 10/19/2022]
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33
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Troisi F, Pace S, Jordan PM, Meyer KPL, Bilancia R, Ialenti A, Borrelli F, Rossi A, Sautebin L, Serhan CN, Werz O. Sex Hormone-Dependent Lipid Mediator Formation in Male and Female Mice During Peritonitis. Front Pharmacol 2022; 12:818544. [PMID: 35046831 PMCID: PMC8762308 DOI: 10.3389/fphar.2021.818544] [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: 11/19/2021] [Accepted: 12/03/2021] [Indexed: 01/07/2023] Open
Abstract
Introduction: Sex differences in inflammation are obvious and contribute to divergences in the incidence and severity of inflammation-related diseases that frequently preponderate in women. Lipid mediators (LMs), mainly produced by lipoxygenase (LOX) and cyclooxygenase (COX) pathways from polyunsaturated fatty acids (PUFAs), regulate all stages of inflammation. Experimental and clinical studies revealed sex divergences for selected LM pathways without covering the entire LM spectrum, and only few studies have addressed the respective role of sex hormones. Here, we performed the comprehensive LM profile analysis with inflammatory peritoneal exudates and plasma from male and female mice in zymosan-induced peritonitis to identify the potential sex differences in LM biosynthesis during the inflammatory response. We also addressed the impact of sex hormones by employing gonadectomy. Methods: Adult male and female CD1 mice received intraperitoneal injection of zymosan to induce peritonitis, a well-established experimental model of acute, self-resolving inflammation. Mice were gonadectomized 5 weeks prior to peritonitis induction. Peritoneal exudates and plasma were taken at 4 (peak of inflammation) and 24 h (onset of resolution) post zymosan and subjected to UPLC-MS-MS-based LM signature profiling; exudates were analyzed for LM biosynthetic proteins by Western blot; and plasma was analyzed for cytokines by ELISA. Results: Pro-inflammatory COX and 5-LOX products predominated in the peritoneum of males at 4 and 24 h post-zymosan, respectively, with slightly higher 12/15-LOX products in males after 24 h. Amounts of COX-2, 5-LOX/FLAP, and 15-LOX-1 were similar in exudates of males and females. In plasma of males, only moderate elevation of these LMs was apparent. At 4 h post-zymosan, gonadectomy strongly elevated 12/15-LOX products in the exudates of males, while in females, free PUFA and LOX products were rather impaired. In plasma, gonadectomy impaired most LMs in both sexes at 4 h with rather up-regulatory effects at 24 h. Finally, elevated 15-LOX-1 protein was evident in exudates of males at 24 h which was impaired by orchiectomy without the striking impact of gonadectomy on other enzymes in both sexes. Conclusions: Our results reveal obvious sex differences and roles of sex hormones in LM biosynthetic networks in acute self-resolving inflammation in mice, with several preponderances in males that appear under the control of androgens.
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Affiliation(s)
- Fabiana Troisi
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany
| | - Simona Pace
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany
| | - Paul M. Jordan
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany
| | - Katharina P. L. Meyer
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany
| | - Rossella Bilancia
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Armando Ialenti
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Francesca Borrelli
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Antonietta Rossi
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Lidia Sautebin
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Charles N. Serhan
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesia, Perioperative and Pain Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States of America
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany,*Correspondence: Oliver Werz,
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34
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Megiorni F, Pontecorvi P, Gerini G, Anastasiadou E, Marchese C, Ceccarelli S. Sex-Related Factors in Cardiovascular Complications Associated to COVID-19. Biomolecules 2021; 12:biom12010021. [PMID: 35053169 PMCID: PMC8773922 DOI: 10.3390/biom12010021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/17/2021] [Accepted: 12/22/2021] [Indexed: 12/15/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19), the pandemic infection caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), presents with an extremely heterogeneous spectrum of symptoms and signs. The clinical manifestations seem to be correlated with disease severity. COVID-19 susceptibility and mortality show a significant sex imbalance, with men being more prone to infection and showing a higher rate of hospitalization and mortality compared to women. Such variability can be ascribed to both sex-related biological factors and gender-related behavioral cues. This review will discuss the potential mechanisms accounting for sex/gender influence in vulnerability to COVID-19. Cardiovascular diseases play a central role in determining COVID-19 outcome, whether they are pre-existent or arose upon infection. We will pay particular attention to the impact of sex and gender on cardiovascular manifestations related to COVID-19. Finally, we will discuss the sex-dependent variability in some biomarkers for the evaluation of COVID-19 infection and prognosis. The aim of this work is to highlight the significance of gendered medicine in setting up personalized programs for COVID-19 prevention, clinical evaluation and treatment.
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35
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Lindsey ML, Brunt KR, Kirk JA, Kleinbongard P, Calvert JW, de Castro Brás LE, DeLeon-Pennell KY, Del Re DP, Frangogiannis NG, Frantz S, Gumina RJ, Halade GV, Jones SP, Ritchie RH, Spinale FG, Thorp EB, Ripplinger CM, Kassiri Z. Guidelines for in vivo mouse models of myocardial infarction. Am J Physiol Heart Circ Physiol 2021; 321:H1056-H1073. [PMID: 34623181 PMCID: PMC8834230 DOI: 10.1152/ajpheart.00459.2021] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 10/05/2021] [Accepted: 10/05/2021] [Indexed: 12/11/2022]
Abstract
Despite significant improvements in reperfusion strategies, acute coronary syndromes all too often culminate in a myocardial infarction (MI). The consequent MI can, in turn, lead to remodeling of the left ventricle (LV), the development of LV dysfunction, and ultimately progression to heart failure (HF). Accordingly, an improved understanding of the underlying mechanisms of MI remodeling and progression to HF is necessary. One common approach to examine MI pathology is with murine models that recapitulate components of the clinical context of acute coronary syndrome and subsequent MI. We evaluated the different approaches used to produce MI in mouse models and identified opportunities to consolidate methods, recognizing that reperfused and nonreperfused MI yield different responses. The overall goal in compiling this consensus statement is to unify best practices regarding mouse MI models to improve interpretation and allow comparative examination across studies and laboratories. These guidelines will help to establish rigor and reproducibility and provide increased potential for clinical translation.
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Affiliation(s)
- Merry L Lindsey
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular Research, University of Nebraska Medical Center, Omaha, Nebraska
- Research Service, Nebraska-Western Iowa Health Care System, Omaha, Nebraska
| | - Keith R Brunt
- Department of Pharmacology, Faculty of Medicine, Dalhousie University, Saint John, New Brunswick, Canada
| | - Jonathan A Kirk
- Department of Cell and Molecular Physiology, Loyola University Chicago Stritch School of Medicine, Chicago, Illinois
| | - Petra Kleinbongard
- Institute for Pathophysiology, West German Heart and Vascular Center, University of Essen Medical School, Essen, Germany
| | - John W Calvert
- Carlyle Fraser Heart Center of Emory University Hospital Midtown, Atlanta, Georgia
- Division of Cardiothoracic Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Lisandra E de Castro Brás
- Department of Physiology, The Brody School of Medicine, East Carolina University, Greenville, North Carolina
| | - Kristine Y DeLeon-Pennell
- Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
- Research Service, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
| | - Dominic P Del Re
- Department of Cell Biology and Molecular Medicine, Cardiovascular Research Institute, Rutgers New Jersey Medical School, Newark, New Jersey
| | - Nikolaos G Frangogiannis
- Division of Cardiology, Department of Medicine, The Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York
| | - Stefan Frantz
- Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
| | - Richard J Gumina
- Division of Cardiovascular Medicine, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, Ohio
- The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Ganesh V Halade
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, Florida
| | - Steven P Jones
- Department of Medicine, Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky
| | - Rebecca H Ritchie
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University (Parkville Campus), Victoria, Australia
| | - Francis G Spinale
- Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the Columbia Veteran Affairs Medical Center, Columbia, South Carolina
| | - Edward B Thorp
- Department of Pathology and Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Crystal M Ripplinger
- Department of Pharmacology, University of California Davis School of Medicine, Davis, California
| | - Zamaneh Kassiri
- Department of Physiology, Cardiovascular Research Center, University of Alberta, Edmonton, Alberta, Canada
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Gerges SH, El-Kadi AOS. Sex differences in eicosanoid formation and metabolism: A possible mediator of sex discrepancies in cardiovascular diseases. Pharmacol Ther 2021; 234:108046. [PMID: 34808133 DOI: 10.1016/j.pharmthera.2021.108046] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/07/2021] [Accepted: 11/16/2021] [Indexed: 12/14/2022]
Abstract
Arachidonic acid is metabolized by cyclooxygenase, lipoxygenase, and cytochrome P450 enzymes to produce prostaglandins, leukotrienes, epoxyeicosatrienoic acids (EETs), and hydroxyeicosatetraenoic acids (HETEs), along with other eicosanoids. Eicosanoids have important physiological and pathological roles in the body, including the cardiovascular system. Evidence from several experimental and clinical studies indicates differences in eicosanoid levels, as well as in the activity or expression levels of their synthesizing and metabolizing enzymes between males and females. In addition, there is a clear state of gender specificity in cardiovascular diseases (CVD), which tend to be more common in men compared to women, and their risk increases significantly in postmenopausal women compared to younger women. This could be largely attributed to sex hormones, as androgens exert detrimental effects on the heart and blood vessels, whereas estrogen exhibits cardioprotective effects. Many of androgen and estrogen effects on the cardiovascular system are mediated by eicosanoids. For example, androgens increase the levels of cardiotoxic eicosanoids like 20-HETE, while estrogens increase the levels of cardioprotective EETs. Thus, sex differences in eicosanoid levels in the cardiovascular system could be an important underlying mechanism for the different effects of sex hormones and the differences in CVD between males and females. Understanding the role of eicosanoids in these differences can help improve the management of CVD.
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Affiliation(s)
- Samar H Gerges
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Ayman O S El-Kadi
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada.
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Yaeger MJ, Reece SW, Kilburg-Basnyat B, Hodge MX, Pal A, Dunigan-Russell K, Luo B, You DJ, Bonner JC, Spangenburg EE, Tokarz D, Hannan J, Armstrong M, Manke J, Reisdorph N, Tighe RM, Shaikh SR, Gowdy KM. Sex Differences in Pulmonary Eicosanoids and Specialized Pro-Resolving Mediators in Response to Ozone Exposure. Toxicol Sci 2021; 183:170-183. [PMID: 34175951 DOI: 10.1093/toxsci/kfab081] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Ozone (O3) is a criteria air pollutant known to increase the morbidity and mortality of cardiopulmonary diseases. This occurs through a pulmonary inflammatory response characterized by increased recruitment of immune cells into the airspace, pro-inflammatory cytokines, and pro-inflammatory lipid mediators. Recent evidence has demonstrated sex-dependent differences in the O3-induced pulmonary inflammatory response. However, it is unknown if this dimorphic response is evident in pulmonary lipid mediator metabolism. We hypothesized that there are sex-dependent differences in lipid mediator production following acute O3 exposure. Male and female C57BL/6J mice were exposed to 1 part per million O3 for 3 hours and were necropsied at 6 or 24 hours following exposure. Lung lavage was collected for cell differential and total protein analysis, and lung tissue was collected for mRNA analysis, metabololipidomics, and immunohistochemistry. Compared to males, O3-exposed female mice had increases in airspace neutrophilia, neutrophil chemokine mRNA, pro-inflammatory eicosanoids such as prostaglandin E2, and specialized pro-resolving mediators (SPMs) such as resolvin D5 in lung tissue. Likewise, precursor fatty acids (arachidonic and docosahexaenoic acid; DHA) were increased in female lung tissue following O3 exposure compared to males. Experiments with ovariectomized females revealed that loss of ovarian hormones exacerbates pulmonary inflammation and injury. However, eicosanoid and SPM production were not altered by ovariectomy despite depleted pulmonary DHA concentrations. Taken together, these data indicate that O3 drives an increased pulmonary inflammatory and bioactive lipid mediator response in females. Furthermore, ovariectomy increases susceptibility to O3-induced pulmonary inflammation and injury, as well as decreases pulmonary DHA concentrations.
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Affiliation(s)
- M J Yaeger
- Pulmonary, Critical Care and Sleep Medicine, Ohio State University Wexner Medical Center, Davis Heart and Lung Research Institute, Columbus, OH, 43210
| | - S W Reece
- Department of Pharmacology and Toxicology, Brody School of Medicine, East Carolina University, Greenville, NC, 27858
| | - B Kilburg-Basnyat
- Department of Pharmacology and Toxicology, Brody School of Medicine, East Carolina University, Greenville, NC, 27858
| | - M X Hodge
- Department of Pharmacology and Toxicology, Brody School of Medicine, East Carolina University, Greenville, NC, 27858
| | - A Pal
- Department of Nutrition, Gillings School of Global Public Health and School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599
| | - K Dunigan-Russell
- Pulmonary, Critical Care and Sleep Medicine, Ohio State University Wexner Medical Center, Davis Heart and Lung Research Institute, Columbus, OH, 43210
| | - B Luo
- Department of Pharmacology and Toxicology, Brody School of Medicine, East Carolina University, Greenville, NC, 27858
| | - D J You
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, 27107
| | - J C Bonner
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, 27107
| | - E E Spangenburg
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, 27858
| | - D Tokarz
- Experimental Pathology Laboratories, Inc, Research Triangle Park, NC, 27709
| | - J Hannan
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, 27858
| | - M Armstrong
- Department of Pharmaceutical Sciences, University of Colorado-AMC, Aurora, CO, 80045
| | - J Manke
- Department of Pharmaceutical Sciences, University of Colorado-AMC, Aurora, CO, 80045
| | - N Reisdorph
- Department of Pharmaceutical Sciences, University of Colorado-AMC, Aurora, CO, 80045
| | - R M Tighe
- Department of Medicine, Duke University Medical Center, Durham, NC, 27710
| | - S R Shaikh
- Department of Nutrition, Gillings School of Global Public Health and School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599
| | - K M Gowdy
- Pulmonary, Critical Care and Sleep Medicine, Ohio State University Wexner Medical Center, Davis Heart and Lung Research Institute, Columbus, OH, 43210
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38
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Marín-Sedeño E, de Morentin XM, Pérez-Pomares JM, Gómez-Cabrero D, Ruiz-Villalba A. Understanding the Adult Mammalian Heart at Single-Cell RNA-Seq Resolution. Front Cell Dev Biol 2021; 9:645276. [PMID: 34055776 PMCID: PMC8149764 DOI: 10.3389/fcell.2021.645276] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 04/09/2021] [Indexed: 12/24/2022] Open
Abstract
During the last decade, extensive efforts have been made to comprehend cardiac cell genetic and functional diversity. Such knowledge allows for the definition of the cardiac cellular interactome as a reasonable strategy to increase our understanding of the normal and pathologic heart. Previous experimental approaches including cell lineage tracing, flow cytometry, and bulk RNA-Seq have often tackled the analysis of cardiac cell diversity as based on the assumption that cell types can be identified by the expression of a single gene. More recently, however, the emergence of single-cell RNA-Seq technology has led us to explore the diversity of individual cells, enabling the cardiovascular research community to redefine cardiac cell subpopulations and identify relevant ones, and even novel cell types, through their cell-specific transcriptomic signatures in an unbiased manner. These findings are changing our understanding of cell composition and in consequence the identification of potential therapeutic targets for different cardiac diseases. In this review, we provide an overview of the continuously changing cardiac cellular landscape, traveling from the pre-single-cell RNA-Seq times to the single cell-RNA-Seq revolution, and discuss the utilities and limitations of this technology.
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Affiliation(s)
- Ernesto Marín-Sedeño
- Department of Animal Biology, Faculty of Sciences, Instituto Malagueño de Biomedicina, University of Málaga, Málaga, Spain
- BIONAND, Centro Andaluz de Nanomedicina y Biotecnología, Junta de Andalucía, Universidad de Málaga, Málaga, Spain
| | - Xabier Martínez de Morentin
- Traslational Bioinformatics Unit, Navarrabiomed, Complejo Hospitalario de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Universidad Pública de Navarra, Pamplona, Spain
| | - Jose M. Pérez-Pomares
- Department of Animal Biology, Faculty of Sciences, Instituto Malagueño de Biomedicina, University of Málaga, Málaga, Spain
- BIONAND, Centro Andaluz de Nanomedicina y Biotecnología, Junta de Andalucía, Universidad de Málaga, Málaga, Spain
| | - David Gómez-Cabrero
- Traslational Bioinformatics Unit, Navarrabiomed, Complejo Hospitalario de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Universidad Pública de Navarra, Pamplona, Spain
- Centre of Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King’s College London, London, United Kingdom
- Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Adrián Ruiz-Villalba
- Department of Animal Biology, Faculty of Sciences, Instituto Malagueño de Biomedicina, University of Málaga, Málaga, Spain
- BIONAND, Centro Andaluz de Nanomedicina y Biotecnología, Junta de Andalucía, Universidad de Málaga, Málaga, Spain
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Wehbe Z, Hammoud SH, Yassine HM, Fardoun M, El-Yazbi AF, Eid AH. Molecular and Biological Mechanisms Underlying Gender Differences in COVID-19 Severity and Mortality. Front Immunol 2021; 12:659339. [PMID: 34025658 PMCID: PMC8138433 DOI: 10.3389/fimmu.2021.659339] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 04/20/2021] [Indexed: 12/13/2022] Open
Abstract
Globally, over two million people have perished due to the recent pandemic caused by SARS-CoV-2. The available epidemiological global data for SARS-CoV-2 portrays a higher rate of severity and mortality in males. Analyzing gender differences in the host mechanisms involved in SARS-CoV-2 infection and progression may offer insight into the more detrimental disease prognosis and clinical outcome in males. Therefore, we outline sexual dimorphisms which exist in particular host factors and elaborate on how they may contribute to the pronounced severity in male COVID-19 patients. This includes disparities detected in comorbidities, the ACE2 receptor, renin-angiotensin system (RAS), signaling molecules involved in SARS-CoV-2 replication, proteases which prime viral S protein, the immune response, and behavioral considerations. Moreover, we discuss sexual disparities associated with other viruses and a possible gender-dependent response to SARS-CoV-2 vaccines. By specifically highlighting these immune-endocrine processes as well as behavioral factors that differentially exist between the genders, we aim to offer a better understanding in the variations of SARS-CoV-2 pathogenicity.
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Affiliation(s)
- Zena Wehbe
- Department of Biology, American University of Beirut, Beirut, Lebanon
| | - Safaa Hisham Hammoud
- Department of Pharmacology and Therapeutics, Beirut Arab University, Beirut, Lebanon
| | | | - Manal Fardoun
- Department of Biology, American University of Beirut, Beirut, Lebanon
| | - Ahmed F. El-Yazbi
- Department of Pharmacology and Toxicology, American University of Beirut, Beirut, Lebanon
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Ali H. Eid
- Department of Basic Medical Sciences, College of Medicine, Qatar University Health, Qatar University, Doha, Qatar
- Biomedical and Pharmaceutical Research Unit, Qatar University Health, Qatar University, Doha, Qatar
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40
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Kermorgant M, Ben Salem J, Iacovoni JS, Calise D, Dahan L, Guiard BP, Lopez S, Lairez O, Lasbories A, Nasr N, Pavy Le‐Traon A, Beaudry F, Senard J, Arvanitis DN. Cardiac sensory afferents modulate susceptibility to anxio-depressive behaviour in a mouse model of chronic heart failure. Acta Physiol (Oxf) 2021; 231:e13601. [PMID: 33316126 DOI: 10.1111/apha.13601] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 11/23/2020] [Accepted: 12/09/2020] [Indexed: 12/20/2022]
Abstract
AIM Impairments in cerebral structure and cognitive performance in chronic heart failure (CHF) are critical components of its comorbidity spectrum. Autonomic afferents that arise from cardiac sensory fibres show enhanced activity with CHF. Desensitization of these fibres by local application of resiniferatoxin (RTX) during myocardial infarction (MI) is known to prevent cardiac hypertrophy, sympathetic hyperactivity and CHF. Whether these afferents mediate cerebral allostasis is unknown. METHODS CHF was induced by myocardial infarction. To evaluate if cardiac afferents contribute to cerebral allostasis, RTX was acutely applied to the pericardial space in controls (RTX) and in MI treated animals (MI/RTX). Subjects were then evaluated in a series of behavioural tests recapitulating different symptoms of depressive disorders. Proteomics of the frontal cortices (FC) was performed to identify contributing proteins and pathways responsible for behavioural allostasis. RESULTS Desensitization of cardiac afferents relieves hallmarks of an anxio/depressive-like state in mice. Unique protein signatures and regulatory pathways in FCs isolated from each treatment reveal the degree of complexity inherent in the FC response to stresses originating in the heart. While cortices from the combined treatment (MI/RTX) did not retain protein signatures from the individual treatment groups, all three groups suffer dysregulation in circadian entrainment. CONCLUSION CHF is comorbid with an anxio/depressive-like state and ablation of cardiac afferents relieves the despair phenotype. The strikingly different proteomic profiles observed in FCs suggest that MI and RTX lead to unique brain-signalling patterns and that the combined treatment, potentially through destructive interference mechanisms, most closely resembles controls.
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Affiliation(s)
- Marc Kermorgant
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
| | - Jennifer Ben Salem
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ) Département de Biomédecine Vétérinaire Faculté de Médecine Vétérinaire Université de Montréal Saint Hyacinthe QC Canada
- Centre de recherche sur le cerveau et l’apprentissage (CIRCA) Université de Montréal Montréal QC Canada
| | - Jason S. Iacovoni
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
| | - Denis Calise
- INSERM DR Midi‐Pyrénées LimousinCentre Régional d’Exploration Fonctionnelle et Ressources Expérimentales Service Microchirurgie, (CREFRE‐US06, Rangueil) Toulouse France
| | - Lionel Dahan
- Centre de Recherches sur la Cognition Animale Centre de Biologie Intégrative Université de Toulouse Toulouse France
- CNRSUniversité de Toulouse III Toulouse France
| | - Bruno P. Guiard
- Centre de Recherches sur la Cognition Animale Centre de Biologie Intégrative Université de Toulouse Toulouse France
- CNRSUniversité de Toulouse III Toulouse France
| | - Sébastien Lopez
- Centre de Recherches sur la Cognition Animale Centre de Biologie Intégrative Université de Toulouse Toulouse France
- CNRSUniversité de Toulouse III Toulouse France
| | - Olivier Lairez
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
- Fédération des services de cardiologie Hôpital RangueilUniversité de Toulouse III Toulouse France
| | - Antoine Lasbories
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
| | - Nathalie Nasr
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
- Département de Neurologie et Institut des Neurosciences CHU de ToulouseUniversité de Toulouse III Toulouse France
| | - Anne Pavy Le‐Traon
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
- Département de Neurologie et Institut des Neurosciences CHU de ToulouseUniversité de Toulouse III Toulouse France
| | - Francis Beaudry
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ) Département de Biomédecine Vétérinaire Faculté de Médecine Vétérinaire Université de Montréal Saint Hyacinthe QC Canada
- Centre de recherche sur le cerveau et l’apprentissage (CIRCA) Université de Montréal Montréal QC Canada
| | - Jean‐Michel Senard
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
- Département de Neurologie et Institut des Neurosciences CHU de ToulouseUniversité de Toulouse III Toulouse France
- Service de Pharmacologie Clinique CHU de ToulouseUniversité de Toulouse III Toulouse France
| | - Dina N Arvanitis
- INSERM DR Midi‐Pyrénées LimousinInstitut des Maladies Métaboliques et Cardiovasculaires (I2MC) UMR1048Université de Toulouse III Toulouse France
- CNRSUniversité de Toulouse III Toulouse France
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Lai J, Chen C. The Role of Epoxyeicosatrienoic Acids in Cardiac Remodeling. Front Physiol 2021; 12:642470. [PMID: 33716791 PMCID: PMC7943617 DOI: 10.3389/fphys.2021.642470] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 01/25/2021] [Indexed: 12/12/2022] Open
Abstract
Epoxyeicosatrienoic acids (EETs) are metabolites of arachidonic acid by cytochrome P450 (CYP) epoxygenases, which include four regioisomers: 5,6-EET, 8,9-EET, 11,12-EET, and 14,15-EET. Each of them possesses beneficial effects against inflammation, fibrosis, and apoptosis, which could combat cardiovascular diseases. Numerous studies have demonstrated that elevation of EETs by overexpression of CYP2J2, inhibition of sEH, or treatment with EET analogs showed protective effects in various cardiovascular diseases, including hypertension, myocardial infarction, and heart failure. As is known to all, cardiac remodeling is the major pathogenesis of cardiovascular diseases. This review will begin with the introduction of EETs and their protective effects in cardiovascular diseases. In the following, the roles of EETs in cardiac remodeling, with a particular emphasis on myocardial hypertrophy, apoptosis, fibrosis, inflammation, and angiogenesis, will be summarized. Finally, it is suggested that upregulation of EETs is a potential therapeutic strategy for cardiovascular diseases. The EET-related drug development against cardiac remodeling is also discussed, including the overexpression of CYP2J2, inhibition of sEH, and the analogs of EET.
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Affiliation(s)
- Jinsheng Lai
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan, China
| | - Chen Chen
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan, China
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42
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Kain V, Ingle KA, Rajasekaran NS, Halade GV. Activation of EP4 receptor limits transition of acute to chronic heart failure in lipoxygenase deficient mice. Am J Cancer Res 2021; 11:2742-2754. [PMID: 33456570 PMCID: PMC7806484 DOI: 10.7150/thno.51183] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 11/20/2020] [Indexed: 12/20/2022] Open
Abstract
Aim: Immune responsive 12/15 lipoxygenase (12/15LOX)-orchestrate biosynthesis of essential inflammation-resolution mediators during acute inflammatory response in post-myocardial infarction (MI). Lack of 12/15LOX dampens proinflammatory mediator 12-(S)-hydroxyeicosatetraenoic acid (12-(S)-HETE), improves post-MI survival, through the biosynthesis of endogenous mediators epoxyeicosatrienoic acids (EETs; cypoxins) to resolve post-MI inflammation. However, the mechanism that amplifies cypoxins-directed cardiac repair in acute heart failure (AHF) and chronic HF (CHF) remains of interest in MI-directed renal inflammation. Therefore, we determined the role of EETs in macrophage-specific receptor activation in facilitating cardiac repair in 12/15LOX deficient mice experiencing HF. Methods and Results: Risk-free young adult (8 -12 week-old) male C57BL/6J wild-type mice (WT; n = 43) and 12/15LOX-/- mice (n = 31) were subjected to permanent coronary artery ligation and monitored at day (d)1, d5 (as acute HF), and d28 to d56 (8 weeks; chronic HF) post-surgery maintaining no-MI mice that served as d0 naïve controls. Left ventricle (LV) infarcted area of 12/15LOX-/- mice displayed an increase in expression of prostanoid receptor EP4 along with monocyte chemoattractant protein-1 CCL2 in AHF and CHF. The transcriptome analysis of isolated leukocytes (macrophages/neutrophils) from infarcted LV revealed a higher expression of EP4 on reparative macrophages expressing MRC-1 in 12/15LOX-/- mice. Deletion of 12/15LOX differentially modulated the miRNA levels, downregulating miR-23a-3p (~20 fold; p < 0.05) and upregulating miR-125a-5p (~160 fold; p < 0.05) in AHF which promoted polarization of the macrophages towards reparative phenotype. Furthermore, 12/15LOX deletion markedly attenuated renal inflammation with reduced levels of NGAL and KIM-1 and apoptotic markers in the kidney during CHF. Conclusion: In risk-free mice during physiological cardiac repair, absence of 12/15LOX promoted reparative macrophages with marked activation of EP4 signaling thereby improving post-MI survival and limiting renal inflammation in acute and advanced HF. The future studies are warranted to advance the role of EETs in macrophage receptor biology.
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43
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Markworth JF, Brown LA, Lim E, Floyd C, Larouche J, Castor-Macias JA, Sugg KB, Sarver DC, Macpherson PC, Davis C, Aguilar CA, Maddipati KR, Brooks SV. Resolvin D1 supports skeletal myofiber regeneration via actions on myeloid and muscle stem cells. JCI Insight 2020; 5:137713. [PMID: 32750044 PMCID: PMC7526543 DOI: 10.1172/jci.insight.137713] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 07/31/2020] [Indexed: 12/16/2022] Open
Abstract
Specialized proresolving mediators (SPMs) actively limit inflammation and expedite its resolution by modulating leukocyte recruitment and function. Here we profiled intramuscular lipid mediators via liquid chromatography-tandem mass spectrometry–based metabolipidomics following myofiber injury and investigated the potential role of SPMs in skeletal muscle inflammation and repair. Both proinflammatory eicosanoids and SPMs increased following myofiber damage induced by either intramuscular injection of barium chloride or synergist ablation–induced functional muscle overload. Daily systemic administration of the SPM resolvin D1 (RvD1) as an immunoresolvent limited the degree and duration of inflammation, enhanced regenerating myofiber growth, and improved recovery of muscle strength. RvD1 suppressed inflammatory cytokine expression, enhanced polymorphonuclear cell clearance, modulated the local muscle stem cell response, and polarized intramuscular macrophages to a more proregenerative subset. RvD1 had minimal direct impact on in vitro myogenesis but directly suppressed myokine production and stimulated macrophage phagocytosis, showing that SPMs can modulate both infiltrating myeloid and resident muscle cell populations. These data reveal the efficacy of immunoresolvents as a novel alternative to classical antiinflammatory interventions in the management of muscle injuries to modulate inflammation while stimulating tissue repair. Systemic administration of the immunoresolvent resolvin D1 enhances skeletal muscle repair via modulatory effects on both resident muscle stem cells and intramuscular macrophages.
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Affiliation(s)
- James F Markworth
- Department of Molecular & Integrative Physiology.,Department of Orthopaedic Surgery
| | | | - Eunice Lim
- Department of Molecular & Integrative Physiology
| | | | | | | | - Kristoffer B Sugg
- Department of Orthopaedic Surgery.,Department of Surgery, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Dylan C Sarver
- Department of Orthopaedic Surgery.,Department of Cellular & Molecular Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Carol Davis
- Department of Molecular & Integrative Physiology
| | | | - Krishna Rao Maddipati
- Department of Pathology, Lipidomics Core Facility, Wayne State University, Detroit, Michigan, USA
| | - Susan V Brooks
- Department of Molecular & Integrative Physiology.,Department of Biomedical Engineering, and
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44
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Hanna A, Shinde AV, Frangogiannis NG. Validation of diagnostic criteria and histopathological characterization of cardiac rupture in the mouse model of nonreperfused myocardial infarction. Am J Physiol Heart Circ Physiol 2020; 319:H948-H964. [PMID: 32886000 DOI: 10.1152/ajpheart.00318.2020] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
In patients with myocardial infarction (MI), cardiac rupture is an uncommon but catastrophic complication. In the mouse model of nonreperfused MI, reported rupture rates are highly variable and depend not only on the genetic background and sex of animals but also on the method used for documentation of rupture. In most studies, diagnosis of cardiac rupture is based on visual inspection during autopsy; however, criteria are poorly defined. We performed systematic histopathological analysis of whole hearts from C57BL/6J mice dying after nonreperfused MI and evaluated the reliability of autopsy-based criteria in identification of rupture. Moreover, we compared the cell biological environment of the infarct between rupture-related and rupture-independent deaths. Histopathological analysis documented rupture in 50% of mice dying during the first week post-MI. Identification of a gross rupture site was highly specific but had low sensitivity; in contrast, hemothorax had high sensitivity but low specificity. Mice with rupture had lower myofibroblast infiltration, accentuated macrophage influx, and a trend toward reduced collagen content in the infarct. Male mice had increased mortality and higher incidence of rupture. However, infarct myeloid cells harvested from male and female mice at the peak of the incidence of rupture had comparable inflammatory gene expression. In conclusion, the reliability of autopsy in documentation of rupture in infarcted mice is dependent on the specific criteria used. Macrophage-driven inflammation and reduced activation of collagen-secreting reparative myofibroblasts may be involved in the pathogenesis of post-MI cardiac rupture.NEW & NOTEWORTHY We show that cardiac rupture accounts for 50% of deaths in C57BL/6J mice undergoing nonreperfused myocardial infarction protocols. Overestimation of rupture events in published studies likely reflects the low specificity of hemothorax as a criterion for documentation of rupture. In contrast, identification of a gross rupture site has high specificity and low sensitivity. We also show that mice dying of rupture have increased macrophage influx and attenuated myofibroblast infiltration in the infarct. These findings are consistent with a role for perturbations in the balance between inflammatory and reparative responses in the pathogenesis of postinfarction cardiac rupture. We also report that the male predilection for rupture in infarcted mice is not associated with increased inflammatory activation of myeloid cells.
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Affiliation(s)
- Anis Hanna
- Division of Cardiology, Department of Medicine, The Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York
| | - Arti V Shinde
- Division of Cardiology, Department of Medicine, The Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York
| | - Nikolaos G Frangogiannis
- Division of Cardiology, Department of Medicine, The Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York
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Pace S, Werz O. Impact of Androgens on Inflammation-Related Lipid Mediator Biosynthesis in Innate Immune Cells. Front Immunol 2020; 11:1356. [PMID: 32714332 PMCID: PMC7344291 DOI: 10.3389/fimmu.2020.01356] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/27/2020] [Indexed: 12/21/2022] Open
Abstract
Rheumatoid arthritis, asthma, allergic rhinitis and many other disorders related to an aberrant immune response have a higher incidence and severity in women than in men. Emerging evidences from scientific studies indicate that the activity of the immune system is superior in females and that androgens may act as “immunosuppressive” molecules with inhibitory effects on inflammatory reactions. Among the multiple factors that contribute to the inflammatory response, lipid mediators (LM), produced from polyunsaturated fatty acids, represent a class of bioactive small molecules with pivotal roles in the onset, maintenance and resolution of inflammation. LM encompass pro-inflammatory eicosanoids and specialized pro-resolving mediators (SPM) that coexist in a tightly regulated balance necessary for the return to homeostasis. Innate immune cells including neutrophils, monocytes and macrophages possess high capacities to generate distinct LM. In the last decades it became more and more evident that sex represents an important variable in the regulation of inflammation where sex hormones play crucial roles. Recent findings showed that the biosynthesis of inflammation-related LM is sex-biased and that androgens impact LM formation with consequences not only for pathophysiology but also for pharmacotherapy. Here, we review the modulation of the inflammatory response by sex and androgens with a specific focus on LM pathways. In particular, we highlight the impact of androgens on the biosynthetic pathway of inflammation-related eicosanoids in innate immune cells.
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Affiliation(s)
- Simona Pace
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, Jena, Germany
| | - Oliver Werz
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, Jena, Germany
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Abstract
Background Leukocyte‐directed biosynthesis of specialized proresolving mediators (SPMs) orchestrates physiological inflammation after myocardial infarction. Deficiency of SPMs drives pathological and nonresolving inflammation, leading to heart failure (HF). Differences in SPMs and inflammatory responses caused by sex‐specific differences are of interest. We differentiated leukocyte‐directed biosynthesis of lipid mediators in male and female mice, focusing on leukocyte populations, structural remodeling, functional recovery, and survival rates. Methods and Results Risk‐free male and female C57BL/6 mice were selected as naïve controls or subjected to myocardial infarction surgery. Molecular and cellular mechanisms that differentiate survival, heart function, and structure and leukocyte‐directed lipid mediators were quantified to describe physiological inflammation after myocardial infarction. Female mice show improved survival in acute HF but no statistical difference during chronic HF compared with male mice. Female mice improved survival is marked with functional recovery and limited remodeling compared with male mice. Male and female mice are similarly responsive to arachidonate lipoxygenase (LOX‐5, LOX‐12, LOX‐15) or cyclooxygenase (COX‐1, COX‐2) in acute HF and particularly male infarcted heart had overall increased SPMs. Female cardiac healing is marked with the biosynthesis of differential p450‐derived product, particularly 11,12 epoxyeicosatrienoic acid in acute HF. A sex‐specific difference of dendritic cells in acute HF is distinct, with limited changes in chronic HF. Conclusions Cardiac repair is marked with increased SPM biosynthesis in male mice and amplified epoxyeicosatrienoic acid in female mice. Female mice showed improved survival, functional recovery, and limited remodeling, which are signs of fine‐tuned physiological inflammation after myocardial infarction. These results rationalize the sex‐specific precise therapies and differential treatments in acute and chronic HF.
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Affiliation(s)
- Amanda B Pullen
- Division of Cardiovascular Sciences Department of Medicine University of South Florida Tampa FL
| | - Vasundhara Kain
- Division of Cardiovascular Sciences Department of Medicine University of South Florida Tampa FL
| | - Charles N Serhan
- Center for Experimental Therapeutics and Reperfusion Injury Department of Anesthesiology, Perioperative and Pain Medicine Brigham and Women's Hospital Harvard Medical School, Boston MA
| | - Ganesh V Halade
- Division of Cardiovascular Sciences Department of Medicine University of South Florida Tampa FL
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