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Fan Z, Wu C, Wang C, Liu C, Fang L, Ma L, Zou W, Yuan B, Ji Z, Cai B, Liu G. Impact of Concurrent Ischaemic Stroke on Unfavourable Outcomes in Men and Women with Dilated Cardiomyopathy. Rev Cardiovasc Med 2024; 25:215. [PMID: 39076319 PMCID: PMC11270057 DOI: 10.31083/j.rcm2506215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/27/2024] [Accepted: 02/01/2024] [Indexed: 07/31/2024] Open
Abstract
Background Growing evidence suggests that concurrent ischaemic stroke (IS) exacerbates the prognosis of patients with dilated cardiomyopathy (DCM) and that this effect may be further influenced by sex. However, the exact effect of sex remains unclear. This study aimed to explore the effects of the relevant risk factors on the prognosis of patients with DCM and concurrent IS. Considering the sex differences in DCM, this study further investigated the impact of concurrent IS on the prognosis of men and women with DCM. Methods A total of 632 patients with DCM enrolled between 2016 and 2021 were included in this study. Clinical data were obtained from medical records, and all participants were followed up in the outpatient clinic or by telephone for at least 1 year. A Cox proportional hazards model and Kaplan-Meier curves were used to evaluate the effects of concurrent IS on the prognosis of patients with DCM. Results Patients with DCM complicated with IS (DCM-IS) had significantly lower cumulative survival rates than patients with DCM without IS (non-IS) (74.6% vs. 84.2%, χ 2 = 6.85, p = 0.009). Additionally, IS was associated with greater risks of death and heart transplantation (HTx) in men (75.8% vs. 85.1%, χ 2 = 5.02, p = 0.025), but not in women (71.0% vs. 81.5%, χ 2 = 1.91, p = 0.167). Conclusions This large-scale multicentre prospective cohort study demonstrated a poorer prognosis in patients with concurrent DCM and IS, particularly among men. Patients with DCM should not be overlooked in IS screening, emphasis should be placed on the occurrence of IS in patients with DCM. Early and proactive secondary prevention of cerebrovascular diseases might improve the prognosis of DCM patients. More intervention studies focusing on men with DCM complicated with IS should be prioritised.
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Affiliation(s)
- Zexin Fan
- Department of Neurology, The Second Hospital of Shanxi Medical University, 030001 Taiyuan, Shanxi, China
| | - Chao Wu
- Department of Neurology, Beijing Anzhen Hospital, Capital Medical University, 100029 Beijing, China
| | - Chaobin Wang
- Department of Neurology, Beijing Fangshan District Liangxiang Hospital, 102401 Beijing, China
| | - Chun Liu
- Department of Neurology, Mechinka Hospital, Dnipro State Medical University, 49044 Dnipro, Ukraine
| | - Libo Fang
- Department of Neurology, Beijing Fuxing Hospital, Capital Medical University, 100038 Beijing, China
| | - Lin Ma
- Department of Neurology, Beijing Anzhen Hospital, Capital Medical University, 100029 Beijing, China
| | - Wenlong Zou
- Department of Neurology, Beijing Anzhen Hospital, Capital Medical University, 100029 Beijing, China
| | - Boyi Yuan
- Department of Neurology, Beijing Anzhen Hospital, Capital Medical University, 100029 Beijing, China
| | - Zeyu Ji
- Department of Neurology, Beijing Anzhen Hospital, Capital Medical University, 100029 Beijing, China
| | - Bin Cai
- Department of Neurology, Beijing Anzhen Hospital, Capital Medical University, 100029 Beijing, China
| | - Guangzhi Liu
- Department of Neurology, Beijing Anzhen Hospital, Capital Medical University, 100029 Beijing, China
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2
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Thevathasan T, Kenny MA, Gaul AL, Paul J, Krause FJ, Lech S, Stadler G, Meyer A, Schreiber F, Fairweather D, Cooper LT, Tschöpe C, Landmesser U, Skurk C, Balzer F, Heidecker B. Sex and Age Characteristics in Acute or Chronic Myocarditis A Descriptive, Multicenter Cohort Study. JACC. ADVANCES 2024; 3:100857. [PMID: 38770230 PMCID: PMC11105794 DOI: 10.1016/j.jacadv.2024.100857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 11/13/2023] [Indexed: 05/22/2024]
Abstract
BACKGROUND Understanding the clinical features of myocarditis in various age groups is required to identify age-specific disease patterns. OBJECTIVES The objective of this study was to examine differences in sex distribution and clinical outcomes in patients with myocarditis of various ages. METHODS Patients with acute or chronic myocarditis in 3 centers in Berlin, Germany from 2005 to 2021 and in the United States (National Inpatient Sample) from 2010 to 2019 were included. Age groups examined included "prepubescent" (below 11 years for females and below 13 years for males), adolescents (11 [female] or 13 [male] to 18 years), young adults (18-35 years), "middle-aged adults" (35-54 years), and older adults (age >54 years). In patients admitted to the hospital, hospital mortality, length of stay, and medical complication rates were examined. RESULTS Overall, 6,023 cases in Berlin and 9,079 cases in the U.S. cohort were included. In both cohorts, there were differences in sex distribution among the 5 age categories, and differences in the distribution were most notable in adolescents (69.3% males vs 30.7% females) and in young adults (73.8% males vs 26.3% females). Prepubescent and older adults had the highest rates of in-hospital mortality, hospital length of stay, and medical complications. In the Berlin cohort, prepubescent patients had higher levels of leukocytes (P < 0.001), antistreptolysin antibody (P < 0.001), and NT-proBNP (P < 0.001) when compared to young adults. CONCLUSIONS In this study, we found that sex differences in myocarditis and clinical features of myocarditis were age-dependent.
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Affiliation(s)
- Tharusan Thevathasan
- Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Campus Benjamin Franklin, Berlin, Germany
- Institute of Medical Informatics, Charité - Universitätsmedizin Berlin, Campus Charité Mitte, Berlin, Germany
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Megan A. Kenny
- Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Campus Benjamin Franklin, Berlin, Germany
| | - Anna L. Gaul
- Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Campus Benjamin Franklin, Berlin, Germany
| | - Julia Paul
- Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Campus Benjamin Franklin, Berlin, Germany
| | - Finn J. Krause
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, Berlin, Germany
| | - Sonia Lech
- Institute for Medical Sociology and Rehabilitation Science, Charité-Universitätsmedizin Berlin, Campus Charité Mitte, Berlin, Germany
- Department of Psychiatry and Neurosciences, Charité-Universitätsmedizin Berlin, Campus Charité Mitte, Berlin, Germany
| | - Gertraud Stadler
- Institute Gender in Medicine, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Alexander Meyer
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, Berlin, Germany
| | - Fabian Schreiber
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, Berlin, Germany
| | - DeLisa Fairweather
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida, USA
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, Minnesota, USA
- Department of Immunology, Mayo Clinic, Jacksonville, Florida, USA
| | - Leslie T. Cooper
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Carsten Tschöpe
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- Berlin Institute of Health (BIH) for Regenerative Therapie (BCRT) at Charité, Campus Virchow, Berlin, Germany
- Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Campus Virchow Klinikum, Berlin, Germany
| | - Ulf Landmesser
- Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Campus Benjamin Franklin, Berlin, Germany
| | - Carsten Skurk
- Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Campus Benjamin Franklin, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Felix Balzer
- Institute of Medical Informatics, Charité - Universitätsmedizin Berlin, Campus Charité Mitte, Berlin, Germany
| | - Bettina Heidecker
- Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Campus Benjamin Franklin, Berlin, Germany
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
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3
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Musigk N, Suwalski P, Golpour A, Fairweather D, Klingel K, Martin P, Frustaci A, Cooper LT, Lüscher TF, Landmesser U, Heidecker B. The inflammatory spectrum of cardiomyopathies. Front Cardiovasc Med 2024; 11:1251780. [PMID: 38464847 PMCID: PMC10921946 DOI: 10.3389/fcvm.2024.1251780] [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: 07/02/2023] [Accepted: 01/29/2024] [Indexed: 03/12/2024] Open
Abstract
Infiltration of the myocardium with various cell types, cytokines and chemokines plays a crucial role in the pathogenesis of cardiomyopathies including inflammatory cardiomyopathies and myocarditis. A more comprehensive understanding of the precise immune mechanisms involved in acute and chronic myocarditis is essential to develop novel therapeutic approaches. This review offers a comprehensive overview of the current knowledge of the immune landscape in cardiomyopathies based on etiology. It identifies gaps in our knowledge about cardiac inflammation and emphasizes the need for new translational approaches to improve our understanding thus enabling development of novel early detection methods and more effective treatments.
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Affiliation(s)
- Nicolas Musigk
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Berlin, Germany
| | - Phillip Suwalski
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Berlin, Germany
| | - Ainoosh Golpour
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Berlin, Germany
| | - DeLisa Fairweather
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, United States
- Department of Environmental Health Sciences and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, MN, United States
| | - Karin Klingel
- Cardiopathology Institute for Pathology, Eberhard Karls Universität Tübingen, Tübingen, Germany
| | - Pilar Martin
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Centro de Investigación Biomédica en Red Cardiovascular (CIBER-CV, ISCIII), Madrid, Spain
| | | | - Leslie T. Cooper
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, United States
| | - Thomas F. Lüscher
- GZO-Zurich Regional Health Centre, Wetzikon & Cardioimmunology, Centre for Molecular Cardiology, University of Zurich, Zurich, Switzerland
- Royal Brompton & Harefield Hospitals and National Heart and Lung Institute, Imperial College, London, United Kingdom
| | - Ulf Landmesser
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Berlin, Germany
| | - Bettina Heidecker
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Berlin, Germany
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4
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Bao C, Shi L, Wen Y, Liu X, You G. Trends in the Incidence and Mortality Rates of Myocarditis in the Chinese Population During 1990-2019: Joinpoint Regression and Age-Period-Cohort Analysis. Anatol J Cardiol 2024; 28:165-172. [PMID: 38327190 PMCID: PMC10918279 DOI: 10.14744/anatoljcardiol.2023.3569] [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: 07/14/2023] [Accepted: 12/21/2023] [Indexed: 02/09/2024] Open
Abstract
BACKGROUND This study aimed to analyze trends in the burden of myocarditis in the Chinese population during 1990-2019. METHODS The Global Burden of Disease (GBD) database aims to assess the burden of various diseases and injuries on a global scale, and the contribution of relevant risk factors to the burden of disease was also included. In this study, we collected age-standardized incidence and mortality rates for myocarditis in China from 1990 to 2019 using GBD 2019. The age-period-cohort model was utilized to calculate local drift, longitudinal age patterns, as well as the ratios of period and cohort. RESULTS The age-standardized incidence and mortality rates of myocarditis in both men and women presented a decreasing trend during 1990-2019 [average annual percentage change (AAPC) of men = -0.202 (95% CI: -0.213 to -0.191); AAPC of women = -0.263 (95% CI: -0.27 to -0.256) for incidence; AAPC of men = -0.233 (95% CI: -0.371 to -0.094); AAPC of women = -0.872 (95% CI: -1.112 to -0.631) for mortality]. Longitudinal age curves showed that myocarditis incidence and mortality rates elevated with age among individuals aged 15-95+ years, with a higher growth rate in men than in women. The period and cohort ratios for both men and women showed similar decreasing trends. Local drift values for the incidence and mortality rates of myocarditis showed an increasing trend among individuals aged 70-75 years and above. CONCLUSION Although the overall burden of myocarditis in China presented a decreasing trend during 1990-2019, the male and elderly populations still have a higher risk of incidence and mortality. Therefore, it is essential for the health-care system to introduce effective prevention and treatment measures for myocarditis.
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Affiliation(s)
- Chenglu Bao
- Department of Cardiology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, Sichuan, China
| | - Lang Shi
- Department of Cardiology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, Sichuan, China
| | - Ya Wen
- Department of Cardiology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, Sichuan, China
| | - Xuehui Liu
- Department of Cardiology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, Sichuan, China
| | - Guiying You
- Department of Cardiology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, Sichuan, China
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5
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Elzanaty AM, Aglan A, Yassen M, Royfman R, Maraey A, Khalil M, Ranabothu M, Lakhani S, Waack A, Elsheikh E, Eltahawy E. Sex differences in myocarditis hospitalizations: Rates, outcomes, and hospital characteristics in the National Readmission Database. Curr Probl Cardiol 2024; 49:102233. [PMID: 38052347 DOI: 10.1016/j.cpcardiol.2023.102233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 12/07/2023]
Abstract
Inflammation of the myocardium, or myocarditis, presents with varied severity, from mild to life-threatening such as cardiogenic shock or ventricular tachycardia storm. Existing data on sex-related differences in its presentation and outcomes are scarce. Using the Nationwide Readmission Database (2016-2019), we identified myocarditis hospitalizations and stratified them according to sex to either males or females. Multivariable regression analyses were used to determine the association between sex and myocarditis outcomes. The primary outcome was in-hospital mortality, and the secondary outcomes included sudden cardiac death (SCD), cardiogenic shock (CS), use of mechanical circulatory support (MCS), and 90-day readmissions. We found a total of 12,997 myocarditis hospitalizations, among which 4,884 (37.6 %) were females. Compared to males, females were older (51 ± 15.6 years vs. 41.9 ± 14.8 in males) and more likely to have connective tissue disease, obesity, and a history of coronary artery disease. No differences were noted between the two groups with regards to in-hospital mortality (adjusted odds ratio [aOR] 1.20; confidence interval [CI] 0.93-1.53; P = 0.16), SCD (aOR:1.18; CI 0.84-1.64; P = 0.34), CS (aOR: 1.01; CI 0.85-1.20;P = 0.87), or use of MCS (aOR: 1.07; CI:0.86-1.34; P = 0.56). In terms of interventional procedures, females had lower rates of coronary angiography (aOR: 0.78; CI 0.70-0.88; P < 0.01), however, similar rates of right heart catheterization (aOR 0.93; CI:0.79-1.09; P = 0.36) and myocardial biopsy (aOR: 1.16; CI:0.83-1.62; P = 0.38) compared to males. Additionally, females had a higher risk of 90-day all-cause readmission (aOR: 1.25; CI: 1.16-1.56; P < 0.01) and myocarditis readmission (aOR:1.58; CI 1.02-2.44; P = 0.04). Specific predictors of readmission included essential hypertension, congestive heart failure, malignancy, and peripheral vascular disease. In conclusion, females admitted with myocarditis tend to have similar in-hospital outcomes with males; however, they are at higher risk of readmission within 90 days from hospitalization. Further studies are needed to identify those at higher risk of readmission.
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Affiliation(s)
- Ahmed M Elzanaty
- Department of Medicine, Division of Cardiovascular Medicine, Division of Cardiology, University of Toledo, 3000 Arlington Ave, Toledo, OH 43614, USA.
| | - Amro Aglan
- Department of Medicine, Beth Israel Lahey Health, Burlington, MA, USA
| | - Mohammed Yassen
- Department of Internal Medicine, University of Toledo, Toledo, OH, USA
| | - Rachel Royfman
- College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Ahmed Maraey
- Department of Medicine, University of North Dakota, Bismarck, ND, USA
| | - Mahmoud Khalil
- Department of Internal Medicine, Lincoln Medical Center, New York, NY, USA
| | - Meghana Ranabothu
- College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Shikha Lakhani
- College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Andrew Waack
- College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Eman Elsheikh
- Department of Internal Medicine, University of Toledo, Toledo, OH, USA
| | - Ehab Eltahawy
- Department of Medicine, Division of Cardiovascular Medicine, Division of Cardiology, University of Toledo, 3000 Arlington Ave, Toledo, OH 43614, USA
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6
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Liu K, Han B. Role of immune cells in the pathogenesis of myocarditis. J Leukoc Biol 2024; 115:253-275. [PMID: 37949833 DOI: 10.1093/jleuko/qiad143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 10/15/2023] [Accepted: 10/24/2023] [Indexed: 11/12/2023] Open
Abstract
Myocarditis is an inflammatory heart disease that mostly affects young people. Myocarditis involves a complex immune network; however, its detailed pathogenesis is currently unclear. The diversity and plasticity of immune cells, either in the peripheral blood or in the heart, have been partially revealed in a number of previous studies involving patients and several kinds of animal models with myocarditis. It is the complexity of immune cells, rather than one cell type that is the culprit. Thus, recognizing the individual intricacies within immune cells in the context of myocarditis pathogenesis and finding the key intersection of the immune network may help in the diagnosis and treatment of this condition. With the vast amount of cell data gained on myocarditis and the recent application of single-cell sequencing, we summarize the multiple functions of currently recognized key immune cells in the pathogenesis of myocarditis to provide an immune background for subsequent investigations.
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Affiliation(s)
- Keyu Liu
- Department of Pediatric Cardiology, Shandong Provincial Hospital, Shandong University, Cheeloo Colledge of Medicine, No. 324 Jingwu Road, 250021, Jinan, China
| | - Bo Han
- Department of Pediatric Cardiology, Shandong Provincial Hospital, Shandong University, Cheeloo Colledge of Medicine, No. 324 Jingwu Road, 250021, Jinan, China
- Department of Pediatric Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324 Jingwu Road, 250021, Jinan, China
- Shandong Provincial Hospital, Shandong Provincial Clinical Research Center for Children' s Health and Disease office, No. 324 Jingwu Road, 250021, Jinan, China
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7
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Pattnaik A, Dhalech AH, Condotta SA, Corn C, Richer MJ, Snell LM, Robinson CM. A viral-specific CD4 + T cell response protects female mice from Coxsackievirus B3 infection. Front Immunol 2024; 14:1327384. [PMID: 38274806 PMCID: PMC10808549 DOI: 10.3389/fimmu.2023.1327384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/26/2023] [Indexed: 01/27/2024] Open
Abstract
Background Biological sex plays an integral role in the immune response to various pathogens. The underlying basis for these sex differences is still not well defined. Here, we show that Coxsackievirus B3 (CVB3) induces a viral-specific CD4+ T cell response that can protect female mice from mortality. Methods We inoculated C57BL/6 Ifnar-/- mice with CVB3. We investigated the T cell response in the spleen and mesenteric lymph nodes in male and female mice following infection. Results We found that CVB3 can induce expansion of CD62Llo CD4+ T cells in the mesenteric lymph node and spleen of female but not male mice as early as 5 days post-inoculation, indicative of activation. Using a recombinant CVB3 virus expressing a model CD4+ T cell epitope, we found that this response is due to viral antigen and not bystander activation. Finally, the depletion of CD4+ T cells before infection increased mortality in female mice, indicating that CD4+ T cells play a protective role against CVB3 in our model. Conclusions Overall, these data demonstrated that CVB3 can induce an early CD4 response in female but not male mice and further emphasize how sex differences in immune responses to pathogens affect disease.
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Affiliation(s)
| | | | | | | | | | | | - Christopher M. Robinson
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN, United States
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8
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Sunaga T, Tanaka M, Sone H, Onuki T, Wada D, Suzuki H. Myocarditis in Three Japanese Men After the Second mRNA-Based COVID-19 Vaccine Dose. Am J Ther 2024; 31:e93-e96. [PMID: 38231587 DOI: 10.1097/mjt.0000000000001562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Affiliation(s)
- Tomiko Sunaga
- Department of Hospital Pharmaceutics, School of Pharmacy, Showa University, Tokyo, Japan
- Department of Pharmacy, Showa University Fujigaoka Hospital, Kanagawa, Japan
| | - Michiko Tanaka
- Department of Hospital Pharmaceutics, School of Pharmacy, Showa University, Tokyo, Japan
- Department of Pharmacy, Showa University Fujigaoka Hospital, Kanagawa, Japan
| | - Hiromoto Sone
- Division of Cardiology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Kanagawa, Japan
| | - Tatsuya Onuki
- Division of Cardiology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Kanagawa, Japan
| | - Daisuke Wada
- Division of Cardiology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Kanagawa, Japan
| | - Hiroshi Suzuki
- Division of Cardiology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Kanagawa, Japan
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9
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Beetler DJ, Bruno KA, Watkins MM, Xu V, Chekuri I, Giresi P, Di Florio DN, Whelan ER, Edenfield BH, Walker SA, Morales-Lara AC, Hill AR, Jain A, Auda ME, Macomb LP, Shapiro KA, Keegan KC, Wolfram J, Behfar A, Stalboerger PG, Terzic A, Farres H, Cooper LT, Fairweather D. Reconstituted Extracellular Vesicles from Human Platelets Decrease Viral Myocarditis in Mice. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303317. [PMID: 37612820 PMCID: PMC10840864 DOI: 10.1002/smll.202303317] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 07/11/2023] [Indexed: 08/25/2023]
Abstract
Patients with viral myocarditis are at risk of sudden death and may progress to dilated cardiomyopathy (DCM). Currently, no disease-specific therapies exist to treat viral myocarditis. Here it is examined whether reconstituted, lyophilized extracellular vesicles (EVs) from platelets from healthy men and women reduce acute or chronic myocarditis in male mice. Human-platelet-derived EVs (PEV) do not cause toxicity, damage, or inflammation in naïve mice. PEV administered during the innate immune response significantly reduces myocarditis with fewer epidermal growth factor (EGF)-like module-containing mucin-like hormone receptor-like 1 (F4/80) macrophages, T cells (cluster of differentiation molecules 4 and 8, CD4 and CD8), and mast cells, and improved cardiac function. Innate immune mediators known to increase myocarditis are decreased by innate PEV treatment including Toll-like receptor (TLR)4 and complement. PEV also significantly reduces perivascular fibrosis and remodeling including interleukin 1 beta (IL-1β), transforming growth factor-beta 1, matrix metalloproteinase, collagen genes, and mast cell degranulation. PEV given at days 7-9 after infection reduces myocarditis and improves cardiac function. MicroRNA (miR) sequencing reveals that PEV contains miRs that decrease viral replication, TLR4 signaling, and T-cell activation. These data show that EVs from the platelets of healthy individuals can significantly reduce myocarditis and improve cardiac function.
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Affiliation(s)
- Danielle J. Beetler
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, Minnesota 55902, USA; Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA; Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, Minnesota 55902, USA
| | - Katelyn A. Bruno
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA; Division of Cardiovascular Medicine, University of Florida, Gainesville, Florida, 32608
| | - Molly M. Watkins
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, Minnesota 55902, USA; Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA; Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, Minnesota 55902, USA
| | - Vivian Xu
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Isha Chekuri
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Presley Giresi
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Damian N. Di Florio
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, Minnesota 55902, USA; Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA; Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, Minnesota 55902, USA
| | - Emily R. Whelan
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, Minnesota 55902, USA; Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA; Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, Minnesota 55902, USA
| | | | - Sierra A. Walker
- Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, Minnesota 55902, USA; Department of Biochemistry and Molecular Biology, Rochester, Minnesota 55902, USA
| | | | - Anneliese R. Hill
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Angita Jain
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, Minnesota 55902, USA; Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Matthew E. Auda
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Logan P. Macomb
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Kathryn A. Shapiro
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Kevin C. Keegan
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Joy Wolfram
- School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Atta Behfar
- Department of Molecular Pharmacology & Experimental Therapeutics, Mayo Clinic, Rochester, Minnesota 55905, USA; Van Cleve Cardiac Regenerative Medicine Program, Mayo Clinic Center for Regenerative Medicine, Rochester, MN, USA
| | - Paul G. Stalboerger
- Van Cleve Cardiac Regenerative Medicine Program, Mayo Clinic Center for Regenerative Medicine, Rochester, MN, USA
| | - Andre Terzic
- Van Cleve Cardiac Regenerative Medicine Program, Mayo Clinic Center for Regenerative Medicine, Rochester, MN, USA; Department of Clinical Genomics, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Houssam Farres
- Department of Vascular Surgery, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - Leslie T. Cooper
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA
| | - DeLisa Fairweather
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, Minnesota 55902, USA; Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, Florida 32224, USA; Department of Immunology, Mayo Clinic, Jacksonville, Florida 32224, USA
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10
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Wang Y, Li M, Chen J, Yu Y, Yu Y, Shi H, Liu X, Chen Z, Chen R, Ge J. Macrophage CAPN4 regulates CVB3-induced cardiac inflammation and injury by promoting NLRP3 inflammasome activation and phenotypic transformation to the inflammatory subtype. Free Radic Biol Med 2023; 208:430-444. [PMID: 37660839 DOI: 10.1016/j.freeradbiomed.2023.08.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/31/2023] [Accepted: 08/31/2023] [Indexed: 09/05/2023]
Abstract
Exploring the immune mechanism of coxsackievirus B3 (CVB3)-induced myocarditis may provide a promising therapeutic strategy. Here, we investigated the regulatory role of macrophage CAPN4 in the phenotypic transformation of macrophages and NOD-like receptor protein 3 (NLRP3) inflammasome activation. We found that CAPN4 was the most upregulated subtype of the calpain family in CVB3-infected bone marrow-derived macrophages (BMDMs) and Raw 264.7 cells after CVB3 infection and was upregulated in cardiac macrophages from CVB3-infected mice. Conditional knockout of CAPN4 (CAPN4flox/flox; LYZ2-Cre, CAPN4-cKO mice) ameliorated inflammation and myocardial injury and improved cardiac function and survival after CVB3 infection. Enrichment analysis revealed that macrophage differentiation and the interleukin signaling pathway were the most predominant biological processes in macrophages after CVB3 infection. We further found that CVB3 infection and the overexpression of CAPN4 promoted macrophage M1 polarization and NLRP3 inflammasome activation, while CAPN4 knockdown reversed these changes. Correspondingly, CAPN4-cKO alleviated CVB3-induced M1 macrophage transformation and NLRP3 expression and moderately increased M2 transformation in vivo. The culture supernatant of CAPN4-overexpressing or CVB3-infected macrophages impaired cardiac fibroblast function and viability. Moreover, macrophage CAPN4 could upregulate C/EBP-homologous protein (chop) expression, which increased proinflammatory cytokine release by activating the phosphorylation of transducer of activator of transcription 1 (STAT1) and 3 (STAT3). Overall, these results suggest that CAPN4 increases M1-type and inhibits M2-type macrophage polarization through the chop-STAT1/STAT3 signaling pathway to mediate CVB3-induced myocardial inflammation and injury. CAPN4 may be a novel target for viral myocarditis treatment.
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Affiliation(s)
- Yucheng Wang
- Key Laboratory of Viral Cardiovascular Diseases, Ministry of Health, China & Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China
| | - Minghui Li
- Key Laboratory of Viral Cardiovascular Diseases, Ministry of Health, China & Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China
| | - Jun Chen
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310000, Zhejiang, China
| | - Ying Yu
- Department of General Practice, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China
| | - Yong Yu
- Key Laboratory of Viral Cardiovascular Diseases, Ministry of Health, China & Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China
| | - Hui Shi
- Key Laboratory of Viral Cardiovascular Diseases, Ministry of Health, China & Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China
| | - Xiaoxiao Liu
- Key Laboratory of Viral Cardiovascular Diseases, Ministry of Health, China & Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China
| | - Zhiwei Chen
- Key Laboratory of Viral Cardiovascular Diseases, Ministry of Health, China & Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China
| | - Ruizhen Chen
- Key Laboratory of Viral Cardiovascular Diseases, Ministry of Health, China & Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China.
| | - Junbo Ge
- Key Laboratory of Viral Cardiovascular Diseases, Ministry of Health, China & Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Shanghai Medical College of Fudan University, Xuhui District, Shanghai, 200010, China
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11
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Amodio D, Pascucci GR, Cotugno N, Rossetti C, Manno EC, Pighi C, Morrocchi E, D'Alessandro A, Perrone MA, Valentini A, Franceschini A, Chinali M, Deodati A, Azzari C, Rossi P, Cianfarani S, Andreani M, Porzio O, Palma P. Similarities and differences between myocarditis following COVID-19 mRNA vaccine and multiple inflammatory syndrome with cardiac involvement in children. Clin Immunol 2023; 255:109751. [PMID: 37660743 DOI: 10.1016/j.clim.2023.109751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 08/22/2023] [Indexed: 09/05/2023]
Abstract
Despite the multiple benefits of vaccination, cardiac adverse Events Following COVID-19 Immunization (c-AEFI) have been reported. These events as well as the severe cardiac involvement reported in Multisystem inflammatory syndrome in children (MIS-C) appear more frequent in young adult males. Herein, we firstly report on the inflammatory profiles of patients experiencing c-AEFI in comparison with age, pubertal age and gender matched MIS-C with cardiac involvement. Proteins related to systemic inflammation were found higher in MIS-C compared to c-AEFI, whereas a higher level in proteins related to myocardial injury was found in c-AEFI. In addition, higher levels of DHEAS, DHEA, and cortisone were found in c-AEFI which persisted at follow-up. No anti-heart muscle and anti-endothelial cell antibodies have been detected. Overall current comparative data showed a distinct inflammatory and androgens profile in c-AEFI patients which results to be well restricted on heart and to persist months after the acute event.
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Affiliation(s)
- Donato Amodio
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy; Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Giuseppe Rubens Pascucci
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy; Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Nicola Cotugno
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy; Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Chiara Rossetti
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Emma Concetta Manno
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Chiara Pighi
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Elena Morrocchi
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Annamaria D'Alessandro
- Clinical Biochemistry Laboratory, IRCCS "Bambino Gesù" Children's Hospital, 00165 Rome, Italy
| | - Marco Alfonso Perrone
- Department of Medical and Surgical Cardiology, Bambino Gesù Children's Hospital, IRCCS, 00165 Rome, Italy; Division of Cardiology and CardioLab, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Italy
| | - Alessandra Valentini
- Department of laboratory Medicine, University Hospital "Tor Vergata", Rome, Italy
| | - Alessio Franceschini
- Department of Medical and Surgical Cardiology, Bambino Gesù Children's Hospital, IRCCS, 00165 Rome, Italy
| | - Marcello Chinali
- Department of Medical and Surgical Cardiology, Bambino Gesù Children's Hospital, IRCCS, 00165 Rome, Italy
| | - Annalisa Deodati
- Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy; Diabetology and Growth Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, 00164 Rome, Italy
| | - Chiara Azzari
- Department of Health Sciences, Section of Pediatrics, University of Florence, Florence, Italy
| | - Paolo Rossi
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy; Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Stefano Cianfarani
- Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy; Diabetology and Growth Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, 00164 Rome, Italy; Department of Women's and Children's Health, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Marco Andreani
- Transplantation Immunogenetics Laboratory, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Ottavia Porzio
- Clinical Biochemistry Laboratory, IRCCS "Bambino Gesù" Children's Hospital, 00165 Rome, Italy; Department of Experimental Medicine, University of Rome 'Tor Vergata', Rome, Italy
| | - Paolo Palma
- Research Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy; Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy.
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12
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Dhalech AH, Condotta SA, Pattnaik A, Corn C, Richer MJ, Robinson CM. Coxsackievirus B3 elicits a sex-specific CD8+ T cell response which protects female mice. PLoS Pathog 2023; 19:e1011465. [PMID: 37669302 PMCID: PMC10503745 DOI: 10.1371/journal.ppat.1011465] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 09/15/2023] [Accepted: 06/06/2023] [Indexed: 09/07/2023] Open
Abstract
Sex is a significant contributor to the outcome of human infections. Males are frequently more susceptible to viral, bacterial, and fungal infections, often attributed to weaker immune responses. In contrast, a heightened immune response in females enables better pathogen elimination but leaves females more predisposed to autoimmune diseases. Unfortunately, the underlying basis for sex-specific immune responses remains poorly understood. Here, we show a sex difference in the CD8+ T cell response to an enteric virus, Coxsackievirus B3 (CVB3). We found that CVB3 induced expansion of CD8+ T cells in female mice but not in male mice. CVB3 also increased the proportion and number of CD11ahiCD62Llo CD8+ T cells in female mice, indicative of activation. This response was independent of the inoculation route and type I interferon. Using a recombinant CVB3 virus expressing a model CD8+ T cell epitope, we found that the expansion of CD8+ T cells in females is viral-specific and not due to bystander activation. Finally, the depletion of CD8+ T cells, prior to infection, led to enhanced mortality, indicating that CD8+ T cells are protective against CVB3 in female mice. These data demonstrate that CVB3 induces a CD8+ T cell response in female mice and highlight the importance of sex-specific immune responses to viral pathogens.
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Affiliation(s)
- Adeeba H. Dhalech
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
| | - Stephanie A. Condotta
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
| | - Aryamav Pattnaik
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
| | - Caleb Corn
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
| | - Martin J. Richer
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
| | - Christopher M. Robinson
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
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13
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Barcena ML, Tonini G, Haritonow N, Breiter P, Milting H, Baczko I, Müller‐Werdan U, Ladilov Y, Regitz‐Zagrosek V. Sex and age differences in AMPK phosphorylation, mitochondrial homeostasis, and inflammation in hearts from inflammatory cardiomyopathy patients. Aging Cell 2023; 22:e13894. [PMID: 37365150 PMCID: PMC10410062 DOI: 10.1111/acel.13894] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 04/28/2023] [Accepted: 05/10/2023] [Indexed: 06/28/2023] Open
Abstract
Linked to exacerbated inflammation, myocarditis is a cardiovascular disease, which may lead to dilated cardiomyopathy. Although sex and age differences in the development of chronic myocarditis have been postulated, underlying cellular mechanisms remain poorly understood. In the current study, we aimed to investigate sex and age differences in mitochondrial homeostasis, inflammation, and cellular senescence. Cardiac tissue samples from younger and older patients with inflammatory dilated cardiomyopathy (DCMI) were used. The expression of Sirt1, phosphorylated AMPK, PGC-1α, Sirt3, acetylated SOD2, catalase, and several mitochondrial genes was analyzed to assess mitochondrial homeostasis. The expression of NF-κB, TLR4, and interleukins was used to examine the inflammatory state in the heart. Finally, several senescence markers and telomere length were investigated. Cardiac AMPK expression and phosphorylation were significantly elevated in male DCMI patients, whereas Sirt1 expression remained unchanged in all groups investigated. AMPK upregulation was accompanied by a preserved expression of all mitochondrial proteins/genes investigated in older male DCMI patients, whereas the expression of TOM40, TIM23, and the mitochondrial oxidative phosphorylation genes was significantly reduced in older female patients. Mitochondrial homeostasis in older male patients was further supported by the reduced acetylation of mitochondrial proteins as indicated by acetylated SOD2. The inflammatory markers NF-κB and TLR4 were downregulated in older male DCMI patients, whereas the expression of IL-18 was increased in older female patients. This was accompanied by progressed senescence in older DCMI hearts. In conclusion, older women experience more dramatic immunometabolic disorders on the cellular level than older men.
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Affiliation(s)
- Maria Luisa Barcena
- Department of Geriatrics and Medical GerontologyCharité –Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin and Berlin Institute of HealthBerlinGermany
- DZHK (German Centre for Cardiovascular Research)BerlinGermany
| | - Greta Tonini
- Department of Geriatrics and Medical GerontologyCharité –Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin and Berlin Institute of HealthBerlinGermany
| | - Natalie Haritonow
- Department of Geriatrics and Medical GerontologyCharité –Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin and Berlin Institute of HealthBerlinGermany
| | - Pavelas Breiter
- Department of Geriatrics and Medical GerontologyCharité –Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin and Berlin Institute of HealthBerlinGermany
- DZHK (German Centre for Cardiovascular Research)BerlinGermany
| | - Hendrik Milting
- Erich and Hanna Klessmann InstituteHeart and Diabetes Centre NRW, University Hospital of the Ruhr‐University BochumBad OeynhausenGermany
| | - Istvan Baczko
- Department of Pharmacology and Pharmacotherapy, Albert Szent‐Györgyi Medical SchoolUniversity of SzegedSzegedHungary
| | - Ursula Müller‐Werdan
- Department of Geriatrics and Medical GerontologyCharité –Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin and Berlin Institute of HealthBerlinGermany
| | - Yury Ladilov
- Department of Geriatrics and Medical GerontologyCharité –Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin and Berlin Institute of HealthBerlinGermany
- Department of Cardiovascular Surgery, Heart Center BrandenburgBrandenburg Medical SchoolBernau bei BerlinGermany
| | - Vera Regitz‐Zagrosek
- DZHK (German Centre for Cardiovascular Research)BerlinGermany
- Institute for Gender in Medicine, Center for Cardiovascular Research, Charité University HospitalBerlinGermany
- Department of CardiologyUniversity Hospital Zürich, University of ZürichZürichSwitzerland
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14
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Abstract
Viral infections are a leading cause of myocarditis and pericarditis worldwide, conditions that frequently coexist. Myocarditis and pericarditis were some of the early comorbidities associated with SARS-CoV-2 infection and COVID-19. Many epidemiologic studies have been conducted since that time concluding that SARS-CoV-2 increased the incidence of myocarditis/pericarditis at least 15× over pre-COVID levels although the condition remains rare. The incidence of myocarditis pre-COVID was reported at 1 to 10 cases/100 000 individuals and with COVID ranging from 150 to 4000 cases/100 000 individuals. Before COVID-19, some vaccines were reported to cause myocarditis and pericarditis in rare cases, but the use of novel mRNA platforms led to a higher number of reported cases than with previous platforms providing new insight into potential pathogenic mechanisms. The incidence of COVID-19 vaccine-associated myocarditis/pericarditis covers a large range depending on the vaccine platform, age, and sex examined. Importantly, the findings highlight that myocarditis occurs predominantly in male patients aged 12 to 40 years regardless of whether the cause was due to a virus-like SARS-CoV-2 or associated with a vaccine-a demographic that has been reported before COVID-19. This review discusses findings from COVID-19 and COVID-19 vaccine-associated myocarditis and pericarditis considering the known symptoms, diagnosis, management, treatment, and pathogenesis of disease that has been gleaned from clinical research and animal models. Sex differences in the immune response to COVID-19 are discussed, and theories for how mRNA vaccines could lead to myocarditis/pericarditis are proposed. Additionally, gaps in our understanding that need further research are raised.
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Affiliation(s)
- DeLisa Fairweather
- Department of Cardiovascular Medicine (D.F., D.J.B., D.N.D., L.T.C.), Mayo Clinic, Jacksonville, FL
- Department of Environmental Health Sciences and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (D.F.,)
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, MN (D.F., D.J.B., D.N.D.)
| | - Danielle J. Beetler
- Department of Cardiovascular Medicine (D.F., D.J.B., D.N.D., L.T.C.), Mayo Clinic, Jacksonville, FL
- Mayo Clinic Graduate School of Biomedical Sciences (D.J.B., D.N.D.), Mayo Clinic, Jacksonville, FL
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, MN (D.F., D.J.B., D.N.D.)
| | - Damian N. Di Florio
- Department of Cardiovascular Medicine (D.F., D.J.B., D.N.D., L.T.C.), Mayo Clinic, Jacksonville, FL
- Mayo Clinic Graduate School of Biomedical Sciences (D.J.B., D.N.D.), Mayo Clinic, Jacksonville, FL
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, MN (D.F., D.J.B., D.N.D.)
| | - Nicolas Musigk
- Deutsches Herzzentrum der Charité, Berlin, Germany (N.M., B.H.)
| | | | - Leslie T. Cooper
- Department of Cardiovascular Medicine (D.F., D.J.B., D.N.D., L.T.C.), Mayo Clinic, Jacksonville, FL
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15
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Fairweather D, Beetler DJ, Musigk N, Heidecker B, Lyle MA, Cooper LT, Bruno KA. Sex and gender differences in myocarditis and dilated cardiomyopathy: An update. Front Cardiovasc Med 2023; 10:1129348. [PMID: 36937911 PMCID: PMC10017519 DOI: 10.3389/fcvm.2023.1129348] [Citation(s) in RCA: 37] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 02/06/2023] [Indexed: 03/06/2023] Open
Abstract
In the past decade there has been a growing interest in understanding sex and gender differences in myocarditis and dilated cardiomyopathy (DCM), and the purpose of this review is to provide an update on this topic including epidemiology, pathogenesis and clinical presentation, diagnosis and management. Recently, many clinical studies have been conducted examining sex differences in myocarditis. Studies consistently report that myocarditis occurs more often in men than women with a sex ratio ranging from 1:2-4 female to male. Studies reveal that DCM also has a sex ratio of around 1:3 women to men and this is also true for familial/genetic forms of DCM. Animal models have demonstrated that DCM develops after myocarditis in susceptible mouse strains and evidence exists for this progress clinically as well. A consistent finding is that myocarditis occurs primarily in men under 50 years of age, but in women after age 50 or post-menopause. In contrast, DCM typically occurs after age 50, although the age that post-myocarditis DCM occurs has not been investigated. In a small study, more men with myocarditis presented with symptoms of chest pain while women presented with dyspnea. Men with myocarditis have been found to have higher levels of heart failure biomarkers soluble ST2, creatine kinase, myoglobin and T helper 17-associated cytokines while women develop a better regulatory immune response. Studies of the pathogenesis of disease have found that Toll-like receptor (TLR)2 and TLR4 signaling pathways play a central role in increasing inflammation during myocarditis and in promoting remodeling and fibrosis that leads to DCM, and all of these pathways are elevated in males. Management of myocarditis follows heart failure guidelines and there are currently no disease-specific therapies. Research on standard heart failure medications reveal important sex differences. Overall, many advances in our understanding of the effect of biologic sex on myocarditis and DCM have occurred over the past decade, but many gaps in our understanding remain. A better understanding of sex and gender effects are needed to develop disease-targeted and individualized medicine approaches in the future.
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Affiliation(s)
- DeLisa Fairweather
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, United States
- Department of Environmental Health Sciences and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, MN, United States
| | - Danielle J. Beetler
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, United States
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, MN, United States
- Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Jacksonville, FL, United States
| | - Nicolas Musigk
- Department of Cardiology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Bettina Heidecker
- Department of Cardiology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Melissa A. Lyle
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, United States
| | - Leslie T. Cooper
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, United States
| | - Katelyn A. Bruno
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, United States
- Division of Cardiovascular Medicine, Department of Medicine, University of Florida, Gainesville, FL, United States
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16
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Hargrove-Wiley E, Fingleton B. Sex Hormones in Breast Cancer Immunity. Cancer Res 2023; 83:12-19. [PMID: 36279153 DOI: 10.1158/0008-5472.can-22-1829] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/22/2022] [Accepted: 10/18/2022] [Indexed: 02/03/2023]
Abstract
Sex hormones, such as estrogens and androgens, regulate genomic and cellular processes that contribute to sex-specific disparities in the pathophysiology of various cancers. Sex hormones can modulate the immune signals and activities of tumor cells and tumor-associated leukocytes to support or suppress cancer progression. Therefore, hormonal differences between males and females play a crucial role in cancer immunity and in the response to therapies that exploit the intrinsic immune system to eliminate malignant cells. In this review, we summarize the impact of sex hormones in the breast cancer microenvironment, with a focus on how the hormonal environment affects tumor immunity. We also discuss the potential benefits of endocrine therapy used in combination with immunotherapy to strengthen the antitumor immune response.
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Affiliation(s)
- Ebony Hargrove-Wiley
- Program in Cancer Biology, Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Barbara Fingleton
- Program in Cancer Biology, Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
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17
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Wang X, Zhou H, Liu Q, Cheng P, Zhao T, Yang T, Zhao Y, Sha W, Zhao Y, Qu H. Targeting regulatory T cells for cardiovascular diseases. Front Immunol 2023; 14:1126761. [PMID: 36911741 PMCID: PMC9995594 DOI: 10.3389/fimmu.2023.1126761] [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: 12/18/2022] [Accepted: 02/13/2023] [Indexed: 02/25/2023] Open
Abstract
Cardiovascular diseases (CVDs) are the leading cause of death and disability worldwide. The CVDs are accompanied by inflammatory progression, resulting in innate and adaptive immune responses. Regulatory T cells (Tregs) have an immunosuppressive function and are one of the subsets of CD4+T cells that play a crucial role in inflammatory diseases. Whether using Tregs as a biomarker for CVDs or targeting Tregs to exert cardioprotective functions by regulating immune balance, suppressing inflammation, suppressing cardiac and vascular remodeling, mediating immune tolerance, and promoting cardiac regeneration in the treatment of CVDs has become an emerging research focus. However, Tregs have plasticity, and this plastic Tregs lose immunosuppressive function and produce toxic effects on target organs in some diseases. This review aims to provide an overview of Tregs' role and related mechanisms in CVDs, and reports on the research of plasticity Tregs in CVDs, to lay a foundation for further studies targeting Tregs in the prevention and treatment of CVDs.
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Affiliation(s)
- Xinting Wang
- Institute of Cardiovascular Disease of Integrated Traditional Chinese and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hua Zhou
- Institute of Cardiovascular Disease of Integrated Traditional Chinese and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qian Liu
- Institute of Cardiovascular Disease of Integrated Traditional Chinese and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Peipei Cheng
- Institute of Cardiovascular Disease of Integrated Traditional Chinese and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tingyao Zhao
- Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tianshu Yang
- Department of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yue Zhao
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wanjing Sha
- Institute of Cardiovascular Disease of Integrated Traditional Chinese and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yanyan Zhao
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Huiyan Qu
- Department of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
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18
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Nguyen PK, Wu SM. Sex differences in ICI myocarditis: Hormones to the rescue. Sci Transl Med 2022; 14:eade4035. [PMID: 36322630 DOI: 10.1126/scitranslmed.ade4035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Sex hormones may account for sex differences observed in the prevalence and susceptibility of ICI myocarditis (Zhang et al., this issue).
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Affiliation(s)
- Patricia K Nguyen
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Sean M Wu
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
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19
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Yendrapalli U, Hassoun A, Zalamea RM, Hritani A. Myocarditis presentation following COVID-19 virus infection versus COVID-19 vaccination. AMERICAN JOURNAL OF CARDIOVASCULAR DISEASE 2022; 12:272-277. [PMID: 36419861 PMCID: PMC9677185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 08/15/2022] [Indexed: 04/14/2023]
Abstract
Coronavirus disease 2019 (COVID-19) vaccine-induced cardiac injury has recently emerged as a major public health concern around the globe. There are reported cases of COVID-19 vaccine-induced myocarditis, but they are generally extremely rare and mild. In contrast, COVID-19 infection can cause acute cardiac injury with poor prognosis and high mortality rates. Herein, we describe the difference in patients' presentation by comparing two cases of myocarditis. One after contracting COVID-19 virus infection with a severe clinical course, and the other patient developed myocarditis post-COVID-19 vaccine.
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Affiliation(s)
- Usha Yendrapalli
- Department of Internal Medicine, Huntsville HospitalHuntsville, Alabama, USA
| | - Ali Hassoun
- Department of Infectious Disease, Huntsville HospitalHuntsville, Alabama, USA
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20
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Testosterone Promotes the Intestinal Replication and Dissemination of Coxsackievirus B3 in an Oral Inoculation Mouse Model. J Virol 2022; 96:e0123222. [PMID: 36037480 PMCID: PMC9472648 DOI: 10.1128/jvi.01232-22] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Enteroviruses initiate infection in the gastrointestinal tract, and sex is often a biological variable that impacts pathogenesis. Previous data suggest that sex hormones can influence the intestinal replication of Coxsackievirus B3 (CVB3), an enterovirus in the Picornaviridae family. However, the specific sex hormone(s) that regulates intestinal CVB3 replication is poorly understood. To determine if testosterone promotes intestinal CVB3 replication, we orally inoculated male and female Ifnar-/- mice that were treated with either placebo or testosterone-filled capsules. Following oral inoculation, we found that the testosterone-treated male and female mice shed significantly more CVB3 in their feces than did the placebo-treated mice, indicating that testosterone enhances intestinal replication. Similarly, testosterone enhanced viral dissemination in both sexes, as we observed higher viral loads in peripheral tissues following infection. Further, the testosterone-treated male mice also had a higher mortality rate than did the testosterone-depleted male mice. Finally, we observed that testosterone significantly affected the immune response to CVB3. We found that testosterone broadly increased proinflammatory cytokines and chemokines while decreasing the number of splenic B cells and dendritic cells following CVB3 infection. Moreover, while testosterone did not affect the early CD4 T cell response to CVB3, testosterone reduced the activation of CD8 T cells. These data indicate that testosterone can promote intestinal CVB3 replication and dissemination while also impacting the subsequent viral immune response. IMPORTANCE Biological sex plays a significant role in the outcomes of various infections and diseases. The impact of sex hormones on the intestinal replication and dissemination of Coxsackievirus B3 remains poorly understood. Using an oral inoculation model, we found that testosterone enhances CVB3 shedding and dissemination in male and female mice. Further, testosterone can alter the immune response to CVB3. This work highlights the role of testosterone in CVB3 pathogenesis and suggests that sex hormones can impact the replication and dissemination of enteric viruses.
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21
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Risk of Myocarditis and Pericarditis among Young Adults following mRNA COVID-19 Vaccinations. Vaccines (Basel) 2022; 10:vaccines10050722. [PMID: 35632478 PMCID: PMC9147275 DOI: 10.3390/vaccines10050722] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/01/2022] [Indexed: 02/07/2023] Open
Abstract
There have been reports of cases of myocarditis and pericarditis as rare complications following mRNA COVID-19 vaccinations among young adults. While most reported cases are mild, this potential vaccine safety signal should be closely monitored. Using data from the CDC and the Vaccine Adverse Event Reporting System (VAERS), we calculated the combined reporting rate of myocarditis and pericarditis stratified by age group, sex, vaccine dose, and manufacturer, and compared these rates to the crude background incidence rates. Compared to the general population prior to the administration of the first COVID-19 vaccines in December 2020, we identified a higher-than-expected reporting rate of myocarditis and pericarditis following mRNA vaccination; the risk was higher after a second vaccine dose, higher in males than in females, and decreased with age. The highest risk was seen in males 12–17 years of age with approximately 6 cases per 100,000 second doses. Our findings suggest an increased risk of myocarditis and pericarditis in young males following a second dose of an mRNA COVID-19 vaccine. Since these findings are based on safety signals derived from passive surveillance data, confirmatory epidemiological studies should be undertaken.
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22
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AAV9-mediated functional screening for cardioprotective cytokines in Coxsackievirus-B3-induced myocarditis. Sci Rep 2022; 12:7304. [PMID: 35508525 PMCID: PMC9067557 DOI: 10.1038/s41598-022-11131-w] [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: 10/01/2021] [Accepted: 03/31/2022] [Indexed: 12/21/2022] Open
Abstract
Viral myocarditis (VM) is an important cause of heart failure (HF) in children and adults. However, the molecular determinants involved in cardiac inflammation and cardiomyocyte necrosis remain poorly characterized, and cardioprotective molecules are currently missing. Here, we applied an in vivo method based on the functional selection (FunSel) of cardioprotective factors using AAV vectors for the unbiased identification of novel immunomodulatory molecules in a Coxsackievirus B3 (CVB3)-induced myocarditis mouse model. Two consecutive rounds of in vivo FunSel using an expression library of 60 cytokines were sufficient to identify five cardioprotective factors (IL9, IL3, IL4, IL13, IL15). The screening also revealed three cytokines (IL18, IL17b, and CCL11) that were counter-selected and likely to exert a detrimental effect. The pooled overexpression of the five most enriched cytokines using AAV9 vectors decreased inflammation and reduced cardiac dilatation, persisting at 1 month after treatment. Individual overexpression of IL9, the top ranking in our functional selection, markedly reduced cardiac inflammation and injury, concomitant with an increase of anti-inflammatory Th2-cells and a reduction of pro-inflammatory Th17- and Th22-cells at 14 days post-infection. AAV9-mediated FunSel cardiac screening identified IL9 and other four cytokines (IL3, IL4, IL13, and IL15) as cardioprotective factors in CVB3-induced VM in mice.
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23
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Wang AYL. Modified mRNA-Based Vaccines Against Coronavirus Disease 2019. Cell Transplant 2022; 31:9636897221090259. [PMID: 35438579 PMCID: PMC9021518 DOI: 10.1177/09636897221090259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The pandemic of coronavirus disease 2019 (COVID-19) continuously causes deaths worldwide, representing a considerable challenge to health care and economic systems with a new precedent in human history. Many therapeutic medicines primarily focused on preventing severe organ damage and complications, which can be fatal in some confirmed cases. The synthesized modified mRNA (modRNA) represents a nonviral, integration-free, zero-footprint, efficient, and safe strategy for vaccine discovery. modRNA-based technology has facilitated the rapid development of the first COVID-19 vaccines due to its cost- and time-saving properties, thus initiating a new era of prophylactic vaccines against infectious diseases. Recently, COVID-19 modRNA vaccines were approved, and a large-scale vaccination campaign began worldwide. To date, results suggest that the modRNA vaccines are highly effective against virus infection, which causes COVID-19. Although short-term studies have reported that their safety is acceptable, long-term safety and protective immunity remain unclear. In this review, we describe two major approved modRNA vaccines and discuss their potential myocarditis complications.
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Affiliation(s)
- Aline Yen Ling Wang
- Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taoyuan, Taiwan
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24
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Mitochondrial calpain-1 activates NLRP3 inflammasome by cleaving ATP5A1 and inducing mitochondrial ROS in CVB3-induced myocarditis. Basic Res Cardiol 2022; 117:40. [PMID: 35997820 PMCID: PMC9399059 DOI: 10.1007/s00395-022-00948-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/04/2022] [Accepted: 08/04/2022] [Indexed: 01/31/2023]
Abstract
Treatment options for myocarditis are currently limited. Inhibition of calpains has been shown to prevent Coxsackievirus B3 (CVB3)-induced cardiac injuries, but the underlying mechanism of action of calpains has not been elucidated. We investigated whether NOD-, LRR-, and pyrin domain-containing 3 (NLRP3) inflammasome participated in CVB3-induced myocarditis, and investigated the effects of calpain-1 on CVB3-induced cardiac injury. NLRP3 inflammasome was activated in CVB3-infected hearts, evidenced by elevated protein levels of NLRP3, N-terminal domain of Gasdermin D, and cleaved caspase-1, and the increased co-localization of NLRP3 and apoptosis-associated speck-like protein. The intraperitoneal administration of MCC950, a selective inhibitor of the NLRP3 inflammasome, led to decreased levels of serum creatine kinase-MB, cardiac troponin I, lactate dehydrogenase, interleukin-18, interleukin-1β, prevention of the infiltration of inflammatory cells, and improvement of cardiac function under CVB3 infection. Transgenic mice overexpressing the endogenous calpain inhibitor calpastatin (Tg-CAST mice) exhibited not only decreased apoptosis, inflammation, fibrosis, and enhanced cardiac function but also inhibition of NLRP3 inflammasome and pyroptosis. The selective inhibition of calpain-1 using PD151746 protected cardiomyocytes in vitro from CVB3 infection by downregulating NLRP3 inflammasome and, thus, preserved cell viability. Mechanistically, we showed that mitochondrial dysfunction preceded inflammatory response after CVB3 treatment and elimination of mitochondrial reactive oxygen species (ROS) using mitochondria-targeted antioxidants (mito-TEMPO) recapitalized the phenotype observed in Tg-CAST mice. Furthermore, the promotion or inhibition of calpain-1 activation in vitro regulated the mitochondrial respiration chain. Mito-TEMPO reversed calpain-1-mediated NLRP3 inflammation activation and cell death. We also found that mitochondrial calpain-1, which was increased after CVB3 stimulation, activated the NLRP3 inflammasome and resulted in cell death. Furthermore, ATP synthase-α (ATP5A1) was revealed to be the cleaving target of calpain-1 after CVB3 treatment. Downregulating ATP5A1 using ATP5A1-small interfering RNA impaired mitochondrial function, decreased cell viability, and induced NLRP3 inflammasome activation. In conclusion, CVB3 infection induced calpain-1 accumulation in mitochondria, and led to subsequent ATP5A1 cleavage, mitochondrial ROS overproduction, and impaired mitochondrial function, eventually causing NLRP3 inflammasome activation and inducing pyroptosis. Therefore, our findings established the role of calpain in viral myocarditis and unveiled its underlying mechanism of its action. Calpain appears as a promising target for the treatment of viral myocarditis.
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25
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Patel YR, Louis DW, Atalay M, Agarwal S, Shah NR. Cardiovascular magnetic resonance findings in young adult patients with acute myocarditis following mRNA COVID-19 vaccination: a case series. J Cardiovasc Magn Reson 2021; 23:101. [PMID: 34496880 PMCID: PMC8425992 DOI: 10.1186/s12968-021-00795-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/14/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Messenger RNA (mRNA) coronavirus disease of 2019 (COVID-19) vaccine are known to cause minor side effects at the injection site and mild global systemic symptoms in first 24-48 h. Recently published case series have reported a possible association between acute myocarditis and COVID-19 vaccination, predominantly in young males. METHODS We report a case series of 5 young male patients with cardiovascular magnetic resonance (CMR)-confirmed acute myocarditis within 72 h after receiving a dose of an mRNA-based COVID-19 vaccine. RESULTS Our case series suggests that myocarditis in this setting is characterized by myocardial edema and late gadolinium enhancement in the lateral wall of the left ventricular (LV) myocardium, reduced global LV longitudinal strain, and preserved LV ejection fraction. All patients in our series remained clinically stable during a relatively short inpatient hospital stay. CONCLUSIONS In conjunction with other recently published case series and national vaccine safety surveillance data, this case series suggests a possible association between acute myocarditis and COVID-19 vaccination in young males and highlights a potential pattern in accompanying CMR abnormalities.
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Affiliation(s)
- Yash R Patel
- Division of Cardiology, Department of Medicine, Warren Alpert Medical School of Brown University, Providence, RI, USA.
- Lifespan Cardiovascular Institute, Warren Alpert Medical School at Brown University, 950 Warren Avenue, Suite 201, East Providence, RI, 02914, USA.
| | - David W Louis
- Division of Cardiology, Department of Medicine, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Michael Atalay
- Department of Diagnostic Imaging, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Saurabh Agarwal
- Department of Diagnostic Imaging, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Nishant R Shah
- Division of Cardiology, Department of Medicine, Warren Alpert Medical School of Brown University, Providence, RI, USA
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26
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Sex-Specific Effects of Plastic Caging in Murine Viral Myocarditis. Int J Mol Sci 2021; 22:ijms22168834. [PMID: 34445539 PMCID: PMC8396197 DOI: 10.3390/ijms22168834] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 07/29/2021] [Accepted: 08/12/2021] [Indexed: 02/07/2023] Open
Abstract
Background: Myocarditis is an inflammatory heart disease caused by viral infections that can lead to heart failure, and occurs more often in men than women. Since animal studies have shown that myocarditis is influenced by sex hormones, we hypothesized that endocrine disruptors, which interfere with natural hormones, may play a role in the progression of the disease. The human population is exposed to the endocrine disruptor bisphenol A (BPA) from plastics, such as water bottles and plastic food containers. Methods: Male and female adult BALB/c mice were housed in plastic versus glass caging, or exposed to BPA in drinking water versus control water. Myocarditis was induced with coxsackievirus B3 on day 0, and the endpoints were assessed on day 10 post infection. Results: We found that male BALB/c mice that were exposed to plastic caging had increased myocarditis due to complement activation and elevated numbers of macrophages and neutrophils, whereas females had elevated mast cell activation and fibrosis. Conclusions: These findings show that housing mice in traditional plastic caging increases viral myocarditis in males and females, but using sex-specific immune mechanisms.
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27
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Abstract
Myocarditis has been recognized as a rare complication of coronavirus disease 2019 (COVID-19) mRNA vaccinations, especially in young adult and adolescent males. According to the US Centers for Disease Control and Prevention, myocarditis/pericarditis rates are ≈12.6 cases per million doses of second-dose mRNA vaccine among individuals 12 to 39 years of age. In reported cases, patients with myocarditis invariably presented with chest pain, usually 2 to 3 days after a second dose of mRNA vaccination, and had elevated cardiac troponin levels. ECG was abnormal with ST elevations in most, and cardiac MRI was suggestive of myocarditis in all tested patients. There was no evidence of acute COVID-19 or other viral infections. In 1 case, a cardiomyopathy gene panel was negative, but autoantibody levels against certain self-antigens and frequency of natural killer cells were increased. Although the mechanisms for development of myocarditis are not clear, molecular mimicry between the spike protein of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) and self-antigens, trigger of preexisting dysregulated immune pathways in certain individuals, immune response to mRNA, and activation of immunologic pathways, and dysregulated cytokine expression have been proposed. The reasons for male predominance in myocarditis cases are unknown, but possible explanations relate to sex hormone differences in immune response and myocarditis, and also underdiagnosis of cardiac disease in women. Almost all patients had resolution of symptoms and signs and improvement in diagnostic markers and imaging with or without treatment. Despite rare cases of myocarditis, the benefit-risk assessment for COVID-19 vaccination shows a favorable balance for all age and sex groups; therefore, COVID-19 vaccination is recommended for everyone ≥12 years of age.
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Affiliation(s)
- Biykem Bozkurt
- Winters Center for Heart Failure Research, Cardiovascular Research Institute (B.B.), Baylor College of Medicine, DeBakey VA Medical Center, Houston, TX
| | - Ishan Kamat
- Department of Medicine (I.K.), Baylor College of Medicine, DeBakey VA Medical Center, Houston, TX
| | - Peter J. Hotez
- Department of Pediatrics and Molecular Virology & Microbiology, National School of Tropical Medicine (P.J.H.), Baylor College of Medicine, DeBakey VA Medical Center, Houston, TX
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28
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Wang X, Bu X, Wei L, Liu J, Yang D, Mann DL, Ma A, Hayashi T. Global, Regional, and National Burden of Myocarditis From 1990 to 2017: A Systematic Analysis Based on the Global Burden of Disease Study 2017. Front Cardiovasc Med 2021; 8:692990. [PMID: 34277742 PMCID: PMC8284556 DOI: 10.3389/fcvm.2021.692990] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 05/26/2021] [Indexed: 12/31/2022] Open
Abstract
Objective: The global trends in myocarditis burden over the past two decades remain poorly understood and might be increasing during the coronavirus disease 2019 (COVID-19) worldwide pandemic. This study aimed to provide comprehensive estimates of the incidence, mortality, and disability-adjusted life years (DALYs) for myocarditis globally from 1990 to 2017. Methods: Data regarding the incidence, mortality, DALY, and estimated annual percentage change (EAPC) between 1990 and 2017 for myocarditis worldwide were collected and calculated from the 2017 Global Burden of Disease study. We additionally calculated the myocarditis burden distribution based on the Socio-Demographic Index (SDI) quintile and Human Development Index (HDI). Results: The incidence cases of myocarditis in 2017 was 3,071,000, with a 59.6% increase from 1990, while the age-standardized incidence rate (ASIR) was slightly decreased. The number of deaths due to myocarditis increased gradually from 27,120 in 1990 to 46,490 in 2017. The middle SDI quintile showed the highest number of myocarditis-related deaths. On the contrary, the global age-standardized death rate (ASDR) decreased with an overall EAPC of −1.4 [95% uncertainty interval (UI) = −1.8 to −1.0]. Similar to ASDR, the global age-standardized DALY rate also declined, with an EAPC of −1.50 (95% UI = −2.30 to −0.8) from 1990 to 2017. However, there was a 12.1% increase in the number of DALYs in the past 28 years; the middle SDI and low-middle SDI quintiles contributed the most to the DALY number in 2017. We also observed significant positive correlations between the EPAC of age-standardized rate and HDI for both death and DALY in 2017. Conclusions: Globally, the ASIR, ASDR, and age-standardized DALY rate of myocarditis decreased slightly from 1990 to 2017. The middle SDI quintile had the highest level of ASIR, ASDR, and age-standardized DALY rate, indicating that targeted control should be developed to reduce the myocarditis burden especially based on the regional socioeconomic status. Our findings also provide a platform for further investigation into the myocarditis burden in the era of COVID-19.
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Affiliation(s)
- Xiqiang Wang
- Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, Xi'an, China.,Department of Cardiovascular Medicine, The Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiang Bu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Linyan Wei
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jing Liu
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Dandan Yang
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Douglas L Mann
- Cardiovascular Division, Department of Medicine, Center for Cardiovascular Research, Washington University School of Medicine, St. Louis, MO, United States
| | - Aiqun Ma
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Tomohiro Hayashi
- Cardiovascular Division, Department of Medicine, Center for Cardiovascular Research, Washington University School of Medicine, St. Louis, MO, United States.,Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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29
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Davison LM, Alberto AA, Dand HA, Keller EJ, Patt M, Khan A, Dvorina N, White A, Sakurai N, Liegl LN, Vogl T, Jorgensen TN. S100a9 Protects Male Lupus-Prone NZBWF1 Mice From Disease Development. Front Immunol 2021; 12:681503. [PMID: 34220829 PMCID: PMC8248531 DOI: 10.3389/fimmu.2021.681503] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 06/01/2021] [Indexed: 11/13/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disorder disproportionally affecting women. A similar sex difference exists in the murine New Zealand Black/White hybrid model (NZBWF1) of SLE with all females, but only 30-40% of males, developing disease within the first year of life. Myeloid-derived suppressor cells (MDSCs) are prominent in NZBWF1 males and while depletion of these cells in males, but not females, promotes disease development, the mechanism of suppression remains unknown. S100a9, expressed by neutrophils and MDSCs, has previously been shown to exert immunosuppressive functions in cancer and inflammation. Here we investigated if S100a9 exerts immunosuppressive functions in NZBWF1 male and female mice. S100a9+/+, S100a9+/- and S100a9-/- NZBWF1 mice were followed for disease development for up to 8 months of age. Serum autoantibody levels, splenomegaly, lymphocyte activation, glomerulonephritis and proteinuria were measured longitudinally or at the time of harvest. In accordance with an immunosuppressive function of MDSCs in male mice, S100a9-deficient male NZBWF1 mice developed accelerated autoimmunity as indicated by increased numbers of differentiated effector B and T cells, elevated serum autoantibody levels, increased immune-complex deposition and renal inflammation, and accelerated development of proteinuria. In contrast, female mice showed either no response to S100a9-deficiency or even a slight reduction in disease symptoms. Furthermore, male, but not female, S100a9-/- NZBWF1 mice displayed an elevated type I interferon-induced gene signature, suggesting that S100a9 may dampen a pathogenic type I interferon signal in male mice. Taken together, S100a9 exerts an immunosuppressive function in male NZBWF1 mice effectively moderating lupus-like disease development via inhibition of type I interferon production, lymphocyte activation, autoantibody production and the development of renal disease.
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Affiliation(s)
- Laura M Davison
- Cleveland Clinic Lerner College of Medicine, Department of Molecular Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Andres A Alberto
- Department of Inflammation and Immunity, Lerner Research Institute, NE40, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Hardik A Dand
- Department of Inflammation and Immunity, Lerner Research Institute, NE40, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Emma J Keller
- Cleveland Clinic Lerner College of Medicine, Department of Molecular Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Madeline Patt
- Department of Inflammation and Immunity, Lerner Research Institute, NE40, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Ayesha Khan
- Department of Inflammation and Immunity, Lerner Research Institute, NE40, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Nina Dvorina
- Department of Inflammation and Immunity, Lerner Research Institute, NE40, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Alexandra White
- Cleveland Clinic Lerner College of Medicine at Case Western Reserve University, Cleveland, OH, United States
| | - Nodoka Sakurai
- Department of Inflammation and Immunity, Lerner Research Institute, NE40, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Lauren N Liegl
- Department of Inflammation and Immunity, Lerner Research Institute, NE40, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Thomas Vogl
- Institute of Immunology, University of Muenster, Muenster, Germany
| | - Trine N Jorgensen
- Department of Inflammation and Immunity, Lerner Research Institute, NE40, Cleveland Clinic Foundation, Cleveland, OH, United States
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30
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Barcena ML, Jeuthe S, Niehues MH, Pozdniakova S, Haritonow N, Kühl AA, Messroghli DR, Regitz-Zagrosek V. Sex-Specific Differences of the Inflammatory State in Experimental Autoimmune Myocarditis. Front Immunol 2021; 12:686384. [PMID: 34122450 PMCID: PMC8195335 DOI: 10.3389/fimmu.2021.686384] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 05/14/2021] [Indexed: 12/24/2022] Open
Abstract
Increasing evidence suggests male sex as a potential risk factor for a higher incidence of cardiac fibrosis, stronger cardiac inflammation, and dilated cardiomyopathy (DCM) in human myocarditis. Chronic activation of the immune response in myocarditis may trigger autoimmunity. The experimental autoimmune myocarditis (EAM) model has been well established for the study of autoimmune myocarditis, however the role of sex in this pathology has not been fully explored. In this study, we investigated sex differences in the inflammatory response in the EAM model. We analyzed the cardiac function, as well as the inflammatory stage and fibrosis formation in the heart of EAM male and female rats. 21 days after induction of EAM, male EAM rats showed a decreased ejection fraction, stroke volume and cardiac output, while females did not. A significantly elevated number of infiltrates was detected in myocardium in both sexes, indicating the activation of macrophages following EAM induction. The level of anti-inflammatory macrophages (CD68+ ArgI+) was only significantly increased in female hearts. The expression of Col3A1 and fibrosis formation were more prominent in males. Furthermore, prominent pro-inflammatory factors were increased only in male rats. These findings indicate sex-specific alterations in the inflammatory stage of EAM, with a pro-inflammatory phenotype appearing in males and an anti-inflammatory phenotype in females, which both significantly affect cardiac function in autoimmune myocarditis.
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Affiliation(s)
- Maria Luisa Barcena
- Department of Geriatrics and Medical Gerontology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), Berlin Partner Site, Berlin, Germany
| | - Sarah Jeuthe
- DZHK (German Centre for Cardiovascular Research), Berlin Partner Site, Berlin, Germany.,Department of Internal Medicine - Cardiology, Deutsches Herzzentrum Berlin, Berlin, Germany
| | - Maximilian H Niehues
- Department of Geriatrics and Medical Gerontology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Sofya Pozdniakova
- Department of Geriatrics and Medical Gerontology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,Climate and Health Program (CLIMA), Barcelona Institute for Global Health (ISGlobal), Barcelona, Spain
| | - Natalie Haritonow
- Department of Geriatrics and Medical Gerontology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Anja A Kühl
- iPATH Berlin-Immunopathology for Experimental Models, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt - Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Daniel R Messroghli
- DZHK (German Centre for Cardiovascular Research), Berlin Partner Site, Berlin, Germany.,Department of Internal Medicine - Cardiology, Deutsches Herzzentrum Berlin, Berlin, Germany.,Department of Internal Medicine and Cardiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Vera Regitz-Zagrosek
- Institute for Gender in Medicine, Center for Cardiovascular Research, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt - Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,Department of Cardiology, University Hospital Zürich, University of Zürich, Zürich, Switzerland
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31
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Lazaros G, Antonopoulos AS, Lazarou E, Vlachopoulos C, Vogiatzi G, Vassilopoulos D, Tousoulis D. Age- and sex-based differences in patients with acute pericarditis. Eur J Clin Invest 2021; 51:e13392. [PMID: 32857868 DOI: 10.1111/eci.13392] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Acute pericarditis has a wide spectrum of clinical presentations largely depending on underlying aetiologies. We assessed the role of age and sex in the clinical features and outcome of acute pericarditis. MATERIALS AND METHODS A total of 240 consecutive patients hospitalized with a first episode of acute pericarditis were included. At baseline demographics, clinical features, laboratory and imaging findings and medical therapy were recorded. Patients were followed up for at least 18 months for complications. Data comparisons were performed according to sex and age (≤60 or >60 years). RESULTS The male/female ratio was 1.42, and 56% of patients were >60 years. Younger patients depicted more often chest pain (P = .001), fever and rubs (P < .001 for both), ST elevation and PR depression (P = .032 and .009, respectively), higher CRP values (P = .009) and less often dyspnoea (P = .046) and pericardial effusion (P = .036). Moreover, they received less often glucocorticoids (P < .001) and depicted less atrial fibrillation (P = .003) and a higher rate of recurrent pericarditis (P = .013). After multivariate adjustment for confounders, age >60 years remained an independent predictor for a lower risk of recurrent pericarditis (hazard ratio 0.60, 95% CI: 0.39-0.96, P = .033). Regarding sex, females were older (P = .007), showed less often ST elevation and PR depression (P < .001 and .002, respectively) and had a higher baseline heart rate (P = .02). Sex was not associated with recurrent pericarditis risk. CONCLUSIONS Patients with acute pericarditis have distinct presenting clinical, biochemical and prognostic features according to age and sex. Awareness of such differences is important for clinical decision-making.
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Affiliation(s)
- George Lazaros
- 1st Cardiology Clinic, School of Medicine, Hippokration General Hospital Athens, National and Kapodistrian University of Athens, Athens, Greece
| | - Alexios S Antonopoulos
- 1st Cardiology Clinic, School of Medicine, Hippokration General Hospital Athens, National and Kapodistrian University of Athens, Athens, Greece
| | - Emilia Lazarou
- 1st Cardiology Clinic, School of Medicine, Hippokration General Hospital Athens, National and Kapodistrian University of Athens, Athens, Greece
| | - Charalambos Vlachopoulos
- 1st Cardiology Clinic, School of Medicine, Hippokration General Hospital Athens, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgia Vogiatzi
- 1st Cardiology Clinic, School of Medicine, Hippokration General Hospital Athens, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios Vassilopoulos
- 2nd Department of Medicine and Laboratory, Clinhical Immunology-Rheumatology Unit, School of Medicine, Hippokration General Hospital Athens, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitris Tousoulis
- 1st Cardiology Clinic, School of Medicine, Hippokration General Hospital Athens, National and Kapodistrian University of Athens, Athens, Greece
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Su JR, McNeil MM, Welsh KJ, Marquez PL, Ng C, Yan M, Cano MV. Myopericarditis after vaccination, Vaccine Adverse Event Reporting System (VAERS), 1990-2018. Vaccine 2021; 39:839-845. [PMID: 33422381 DOI: 10.1016/j.vaccine.2020.12.046] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 12/11/2020] [Accepted: 12/12/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Myopericarditis after vaccination has been sporadically reported in the medical literature. Here, we present a thorough descriptive analysis of reports to a national passive vaccine safety surveillance system (VAERS) of myopericarditis after vaccines licensed for use in the United States. METHODS We identified U.S. reports of myopericarditis received by VAERS during 1990-2018 that met a published case definition for myopericarditis or were physician-diagnosed. We stratified analysis by age group (<19, 19-49, ≥50 years), describing reports by serious/non-serious status, sex, time to symptom onset after vaccination, vaccine(s) administered, and exposure to other known causes of myopericarditis. We used Empirical Bayesian data mining to detect disproportionate reporting of myopericarditis after vaccination. RESULTS VAERS received 620,195 reports during 1990-2018: 708 (0.1%) met the case definition or were physician-diagnosed as myopericarditis. Most (79%) myopericarditis reports described males; 69% were serious; 72% had symptom onset ≤ 2 weeks postvaccination. Overall, smallpox (59%) and anthrax (23%) vaccines were most commonly reported. By age, among persons aged < 19 years, Haemophilus influenzae type b (22, 22%) and hepatitis B (18, 18%); among persons aged 19-49 years smallpox (387, 79%); among persons aged ≥ 50 years inactivated influenza (31, 36%) and live attenuated zoster (19, 22%) vaccines were most commonly reported. The vaccines most commonly reported remained unchanged when excluding 138 reports describing other known causes of myopericarditis. Data mining revealed disproportionate reporting of myopericarditis only after smallpox vaccine. CONCLUSIONS Despite the introduction of new vaccines over the years, myopericarditis remains rarely reported after vaccines licensed for use in the United States. In this analysis, myopericarditis was most commonly reported after smallpox vaccine, and less commonly after other vaccines.
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Affiliation(s)
- John R Su
- Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States.
| | - Michael M McNeil
- Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Kerry J Welsh
- Center for Biologicals Evaluation and Research, Food and Drug Administration (FDA), United States
| | - Paige L Marquez
- Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Carmen Ng
- Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Ming Yan
- Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Maria V Cano
- Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
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Diaconu R, Donoiu I, Mirea O, Bălşeanu TA. Testosterone, cardiomyopathies, and heart failure: a narrative review. Asian J Androl 2021; 23:348-356. [PMID: 33433530 PMCID: PMC8269837 DOI: 10.4103/aja.aja_80_20] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Testosterone exerts an important regulation of cardiovascular function through genomic and nongenomic pathways. It produces several changes in cardiomyocytes, the main actor of cardiomyopathies, which are characterized by pathological remodeling, eventually leading to heart failure. Testosterone is involved in contractility, in the energy metabolism of myocardial cells, apoptosis, and the remodeling process. In myocarditis, testosterone directly promotes the type of inflammation that leads to fibrosis, and influences viremia with virus localization. At the same time, testosterone exerts cardioprotective effects that have been observed in different studies. There is increasing evidence that low endogenous levels of testosterone have a negative impact in some cardiomyopathies and a protective impact in others. This review focuses on the interrelationships between testosterone and cardiomyopathies and heart failure.
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Affiliation(s)
- Rodica Diaconu
- Department of Cardiology, University of Medicine and Pharmacy, Craiova 200349, Romania
| | - Ionuţ Donoiu
- Department of Cardiology, University of Medicine and Pharmacy, Craiova 200349, Romania
| | - Oana Mirea
- Department of Cardiology, University of Medicine and Pharmacy, Craiova 200349, Romania
| | - Tudor Adrian Bălşeanu
- Department of Physiology, University of Medicine and Pharmacy, Craiova 200349, Romania
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34
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Daba TM, Zhao Y, Pan Z. Advancement of Mechanisms of Coxsackie Virus B3-Induced Myocarditis Pathogenesis and the Potential Therapeutic Targets. Curr Drug Targets 2020; 20:1461-1473. [PMID: 31215390 DOI: 10.2174/1389450120666190618124722] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 05/21/2019] [Accepted: 05/29/2019] [Indexed: 02/06/2023]
Abstract
Viral myocarditis is a cardiac disease caused by Group B Coxsackie virus of Enterovirus genus in the Picorna viridae family. It causes heart failure in children, young and adults. Ten Percent (10%) of acute heart failure and 12% of sudden deaths in young and adults who are less than 40 years is due to this viral myocarditis. If treatment action is not taken earlier, the viral disease can develop into chronic myocarditis and Dilated Cardiomyopathy which lead to congestive heart failure. And these eventually result in a reduced cardiac function which finally brings the victim to death. The only treatment option of the disease is heart transplantation once the acute stage of disease develops to chronic and Dilated Cardiomyopathy. Currently, there is a limitation in daily clinical treatments and even some available treatment options are ineffective. Therefore, focusing on search for treatment options through investigation is imperative. Recent studies have reported that biological molecules show a promising role. But their mechanism of pathogenesis is still unclear. A detailed study on identifying the role of biological molecules involved in Coxsackie B3 virus induced myocarditis and their mechanisms of pathogenesis; compiling and disseminating the findings of the investigation to the scientific communities contribute one step forward to the solution. Therefore, this review is aimed at compiling information from findings of current studies on the potential therapeutic role of micro RNA, cytokines and chemokines on the mechanism of pathogenesis of Coxsackie virus B3- induced myocarditis to give brief information for scholars to conduct a detailed study in the area.
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Affiliation(s)
- Tolessa Muleta Daba
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Harbin Medical University, Harbin, China.,Department of Biology, College of Natural and Computational Sciences, Bule Hora University, Bule Hora, Ethiopia
| | - Yue Zhao
- Department of Pharmacology, College of Pharmacy, Harbin Medical University, Harbin, China
| | - Zhenwei Pan
- Department of Pharmacology, College of Pharmacy, Harbin Medical University, Harbin, China
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35
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D’Amario D, Camilli M, Migliaro S, Canonico F, Galli M, Arcudi A, Montone RA, Borovac JA, Crea F, Savarese G. Sex-Related Differences in Dilated Cardiomyopathy with a Focus on Cardiac Dysfunction in Oncology. Curr Cardiol Rep 2020; 22:102. [PMID: 32770480 PMCID: PMC7413835 DOI: 10.1007/s11886-020-01377-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW The aim of this report is to describe the main aspects of sex-related differences in non-ischemic dilated cardiomyopathies (DCM), focusing on chemotherapy-induced heart failure (HF) and investigating the possible therapeutic implications and clinical management applications in the era of personalized medicine. RECENT FINDINGS In cardio-oncology, molecular and multimodality imaging studies confirm that sex differences do exist, affecting the therapeutic cardioprotective strategies and, therefore, the long-term outcomes. Interestingly, compelling evidences suggest that sex-specific characteristics in drug toxicity might predict differences in the therapeutic response, most likely due to the tangled interplay between cancer and HF, which probably share common underlying mechanisms. Cardiovascular diseases show many sex-related differences in prevalence, etiology, phenotype expression, and outcomes. Complex molecular mechanisms underlie this diverse pathological manifestations, from sex-determined differential gene expression to sex hormone interaction with their receptors in the heart. Non-ischemic DCM is an umbrella definition that incorporates several etiologies, including chemotherapy-induced cardiomyopathies. The role of sex as a risk factor for cardiotoxicity is poorly explored. However, understanding the various features of disease manifestation and outcomes is of paramount importance for a prompt and tailored evaluation.
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Affiliation(s)
- Domenico D’Amario
- Dipartimento di Scienze Cardiovascolari, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Massimiliano Camilli
- Dipartimento di Scienze Cardiovascolari, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Stefano Migliaro
- Dipartimento di Scienze Cardiovascolari, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Francesco Canonico
- Dipartimento di Scienze Cardiovascolari, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Mattia Galli
- Dipartimento di Scienze Cardiovascolari, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Alessandra Arcudi
- Dipartimento di Scienze Cardiovascolari, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Rocco Antonio Montone
- Dipartimento di Scienze Cardiovascolari, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | | | - Filippo Crea
- Dipartimento di Scienze Cardiovascolari, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Dipartimento di Scienze Cardiovascolari, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gianluigi Savarese
- Cardiology Division, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
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36
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Lasrado N, Reddy J. An overview of the immune mechanisms of viral myocarditis. Rev Med Virol 2020; 30:1-14. [PMID: 32720461 DOI: 10.1002/rmv.2131] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/12/2020] [Accepted: 05/13/2020] [Indexed: 12/13/2022]
Abstract
Viral myocarditis has been identified as a major cause of dilated cardiomyopathy (DCM) that can lead to heart failure. Historically, Coxsackieviruses and adenoviruses have been commonly suspected in myocarditis/DCM patients in North America and Europe. However, this notion is changing as other viruses such as Parvovirus B19 and human herpesvirus-6 are increasingly reported as causes of myocarditis in the United States, with the most recent example being the severe acute respiratory syndrome coronavirus 2, causing the Coronavirus Disease-19. The mouse model of Coxsackievirus B3 (CVB3)-induced myocarditis, which may involve mediation of autoimmunity, is routinely used in the study of immune pathogenesis of viral infections as triggers of DCM. In this review, we discuss the immune mechanisms underlying the development of viral myocarditis with an emphasis on autoimmunity in the development of post-infectious myocarditis induced with CVB3.
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Affiliation(s)
- Ninaad Lasrado
- School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Jay Reddy
- School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
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37
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Jones JM, Jørgensen TN. Androgen-Mediated Anti-inflammatory Cellular Processes as Therapeutic Targets in Lupus. Front Immunol 2020; 11:1271. [PMID: 32655565 PMCID: PMC7324484 DOI: 10.3389/fimmu.2020.01271] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 05/19/2020] [Indexed: 12/23/2022] Open
Abstract
Systemic Lupus Erythematosus (SLE), among many other auto-immune diseases, is known to be more prevalent in females than in males. This observation has served as the foundation for studies into how sex hormones may interact with the immune system to either drive or inhibit immune activation. Early studies using castration in lupus mouse models showed the potential protective effect of testosterone against lupus development. These studies were later corroborated by observational studies in lupus patients, who upon treatment with testosterone therapy, displayed decreased disease burden. However, there are numerous limitations to treating (especially female) lupus patients with testosterone. Thus, identification of testosterone-targeted cellular and molecular mechanisms affecting immune activation is an attractive target for lupus treatment in the future. Recent studies have examined the effects of androgens on the activation of anti-inflammatory processes. As such, immunoregulatory cell types including myeloid-derived suppressor cells (MDSCs) and regulatory T and B cells have been shown to be susceptible to manipulation by sex hormones. Here, we review studies of SLE and lupus-like disease in which testosterone or testosterone-derivatives were used to skew an ongoing immune reaction toward an anti-inflammatory state. Via evaluation of both clinical studies and immunologic models we propose new areas for research with the goal of identifying testosterone-driven anti-inflammatory mediators suitable for therapeutic targeting in patients with lupus and other autoimmune diseases.
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Affiliation(s)
- Jessica M Jones
- Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, United States
| | - Trine N Jørgensen
- Department of Inflammation and Immunity, Cleveland Clinic, Lerner Research Institute, Cleveland, OH, United States
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38
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Mei Z, Huang J, Qiao B, Lam AKY. Immune checkpoint pathways in immunotherapy for head and neck squamous cell carcinoma. Int J Oral Sci 2020; 12:16. [PMID: 32461587 PMCID: PMC7253444 DOI: 10.1038/s41368-020-0084-8] [Citation(s) in RCA: 115] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 04/17/2020] [Accepted: 04/29/2020] [Indexed: 12/27/2022] Open
Abstract
With the understanding of the complex interaction between the tumour microenvironment and immunotherapy, there is increasing interest in the role of immune regulators in the treatment of head and neck squamous cell carcinoma (HNSCC). Activation of T cells and immune checkpoint molecules is important for the immune response to cancers. Immune checkpoint molecules include cytotoxic T lymphocyte antigen 4 (CTLA-4), programmed death 1 (PD-1), T-cell immunoglobulin mucin protein 3 (TIM-3), lymphocyte activation gene 3 (LAG-3), T cell immunoglobin and immunoreceptor tyrosine-based inhibitory motif (TIGIT), glucocorticoid-induced tumour necrosis factor receptor (GITR) and V-domain Ig suppressor of T cell activation (VISTA). Many clinical trials using checkpoint inhibitors, as both monotherapies and combination therapies, have been initiated targeting these immune checkpoint molecules. This review summarizes the functional mechanism and use of various immune checkpoint molecules in HNSCC, including monotherapies and combination therapies, and provides better treatment options for patients with HNSCC.
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Affiliation(s)
- Zi Mei
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Junwen Huang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Bin Qiao
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Alfred King-Yin Lam
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
- Cancer Molecular Pathology and Griffith Medical School, Griffith University, Gold Coast, Queensland, Australia.
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39
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Di Florio DN, Sin J, Coronado MJ, Atwal PS, Fairweather D. Sex differences in inflammation, redox biology, mitochondria and autoimmunity. Redox Biol 2020; 31:101482. [PMID: 32197947 PMCID: PMC7212489 DOI: 10.1016/j.redox.2020.101482] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 02/19/2020] [Accepted: 02/27/2020] [Indexed: 02/07/2023] Open
Abstract
Autoimmune diseases are characterized by circulating antibodies and immune complexes directed against self-tissues that result in both systemic and organ-specific inflammation and pathology. Most autoimmune diseases occur more often in women than men. One exception is myocarditis, which is an inflammation of the myocardium that is typically caused by viral infections. Sex differences in the immune response and the role of the sex hormones estrogen and testosterone are well established based on animal models of autoimmune viral myocarditis as well as in mitochondrial function leading to reactive oxygen species production. RNA viruses like coxsackievirus B3, the primary cause of myocarditis in the US, activate the inflammasome through mitochondrial antiviral signaling protein located on the mitochondrial outer membrane. Toll-like receptor 4 and the inflammasome are the primary signaling pathways that increase inflammation during myocarditis, which is increased by testosterone. This review describes what is known about sex differences in inflammation, redox biology and mitochondrial function in the male-dominant autoimmune disease myocarditis and highlights gaps in the literature and future directions.
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Affiliation(s)
- Damian N Di Florio
- Center for Clinical and Translational Science, Mayo Clinic, Jacksonville, FL, USA.
| | - Jon Sin
- Cedars-Sinai Medical Center, Heart Institute, Los Angeles, CA, USA.
| | | | | | - DeLisa Fairweather
- Center for Clinical and Translational Science, Mayo Clinic, Jacksonville, FL, USA; Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, USA; Department of Immunology, Mayo Clinic, Jacksonville, FL, USA; Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
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40
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Coronado MJ, Bruno KA, Blauwet LA, Tschöpe C, Cunningham MW, Pankuweit S, van Linthout S, Jeon ES, McNamara DM, Krejčí J, Bienertová-Vašků J, Douglass EJ, Abston ED, Bucek A, Frisancho JA, Greenaway MS, Hill AR, Schultheiss HP, Cooper LT, Fairweather D. Elevated Sera sST2 Is Associated With Heart Failure in Men ≤50 Years Old With Myocarditis. J Am Heart Assoc 2020; 8:e008968. [PMID: 30638108 PMCID: PMC6497352 DOI: 10.1161/jaha.118.008968] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background Myocarditis is an important cause of acute and chronic heart failure. Men with myocarditis have worse recovery and an increased need for transplantation compared with women, but the reason for the sex difference remains unclear. Elevated sera soluble (s)ST2 predicts mortality from acute and chronic heart failure, but has not been studied in myocarditis patients. Methods and Results Adults with a diagnosis of clinically suspected myocarditis (n=303, 78% male) were identified according to the 2013 European Society of Cardiology position statement. Sera sST2 levels were examined by ELISA in humans and mice and correlated with heart function according to sex and age. Sera sST2 levels were higher in healthy men (P=8×10−6) and men with myocarditis (P=0.004) compared with women. sST2 levels were elevated in patients with myocarditis and New York Heart Association class III‐IV heart failure (P=0.002), predominantly in men (P=0.0003). Sera sST2 levels were associated with New York Heart Association class in men with myocarditis who were ≤50 years old (r=0.231, P=0.0006), but not in women (r=0.172, P=0.57). Sera sST2 levels were also significantly higher in male mice with myocarditis (P=0.005) where levels were associated with cardiac inflammation. Gonadectomy with hormone replacement showed that testosterone (P<0.001), but not estradiol (P=0.32), increased sera sST2 levels in male mice with myocarditis. Conclusions We show in a well‐characterized subset of heart failure patients with clinically suspected and biopsy‐confirmed myocarditis that elevated sera sST2 is associated with an increased risk of heart failure based on New York Heart Association class in men ≤50 years old.
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Affiliation(s)
- Michael J Coronado
- 1 Department of Environmental Health Sciences Johns Hopkins Bloomberg School of Public Health Baltimore MD
| | - Katelyn A Bruno
- 1 Department of Environmental Health Sciences Johns Hopkins Bloomberg School of Public Health Baltimore MD.,2 Department of Cardiovascular Medicine Mayo Clinic Jacksonville FL
| | - Lori A Blauwet
- 3 Department of Cardiovascular Diseases Mayo Clinic Rochester MN
| | - Carsten Tschöpe
- 4 Department of Cardiology and Berlin-Brandenburg Center for Regenerative Medicine Campus Virchow Klinikum Charite- Universitaetsmedizin Berlin Berlin Germany
| | - Madeleine W Cunningham
- 5 Department of Microbiology and Immunology University of Oklahoma Health Sciences Center Oklahoma City OK
| | - Sabine Pankuweit
- 6 Department of Internal Medicine and Cardiology University Hospital Giessen and Marburg Marburg Germany
| | - Sophie van Linthout
- 4 Department of Cardiology and Berlin-Brandenburg Center for Regenerative Medicine Campus Virchow Klinikum Charite- Universitaetsmedizin Berlin Berlin Germany
| | | | | | - Jan Krejčí
- 9 Department of Cardiovascular Diseases St. Anne's University Hospital and Masaryk University Brno Czech Republic
| | - Julie Bienertová-Vašků
- 10 Department of Pathological Physiology and the Research Center for the Toxic Compounds in the Environment Faculty of Sciences Masaryk University Brno Czech Republic
| | - Erika J Douglass
- 1 Department of Environmental Health Sciences Johns Hopkins Bloomberg School of Public Health Baltimore MD.,2 Department of Cardiovascular Medicine Mayo Clinic Jacksonville FL
| | - Eric D Abston
- 1 Department of Environmental Health Sciences Johns Hopkins Bloomberg School of Public Health Baltimore MD
| | - Adriana Bucek
- 1 Department of Environmental Health Sciences Johns Hopkins Bloomberg School of Public Health Baltimore MD
| | - J Augusto Frisancho
- 1 Department of Environmental Health Sciences Johns Hopkins Bloomberg School of Public Health Baltimore MD
| | - Merci S Greenaway
- 1 Department of Environmental Health Sciences Johns Hopkins Bloomberg School of Public Health Baltimore MD
| | - Anneliese R Hill
- 2 Department of Cardiovascular Medicine Mayo Clinic Jacksonville FL
| | | | - Leslie T Cooper
- 2 Department of Cardiovascular Medicine Mayo Clinic Jacksonville FL
| | - DeLisa Fairweather
- 1 Department of Environmental Health Sciences Johns Hopkins Bloomberg School of Public Health Baltimore MD.,2 Department of Cardiovascular Medicine Mayo Clinic Jacksonville FL
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41
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Corticosteroids for Acute and Recurrent Idiopathic Pericarditis: Unexpected Evidences. Cardiol Res Pract 2019; 2019:1348364. [PMID: 31929897 PMCID: PMC6942830 DOI: 10.1155/2019/1348364] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 11/25/2019] [Indexed: 12/14/2022] Open
Abstract
Pericarditis is a common disease, often postviral or “idiopathic,” diagnosed in about 5% of emergency room visits for non-ischemic chest pain. Although pericarditis often occurs as a benign and self-limiting disease, it may present recurrences. The first-line therapy includes aspirin/nonsteroidal anti-inflammatory drugs (ASA/NSAIDs) plus colchicine. Steroids especially at high-dose have been associated with a higher recurrence rate. In this retrospective study, we evaluated efficacy and safety of ASA/NSAIDs and prednisone in the treatment of acute or recurrent idiopathic pericarditis (colchicine was off-label in the period of the study). The cohort included 276 patients diagnosed with acute idiopathic pericarditis. Mean age was 45.4 ± 12.7 years, and males were significantly higher in number and younger than females. Sixty-one patients (22.1%) were treated with prednisone and 215 with ASA/NSAIDs (77.9%). 171 patients experienced at least one recurrence (62%). No difference in recurrence rate was observed (p=0.257) between the groups treated with prednisone (55.7%) vs. ASA/NSAIDs (63.7%). The recurrences were treated with steroids at low doses and very gradual tapering, and the dose reduction was slower as the number of relapses was higher. Steroids alone were administered to about 80% of patients, while in the remaining 20% of cases, they were associated with ASA/NSDAIDs or colchicine. Approximately 90% of patients had a very favorable course, that is no more than 2 relapses and no patients presented serious side effects. Steroids at low dose, did not act, surprisingly, as an independent risk factor for recurrences and therefore may be considered a successful and safe treatment for acute and recurrent idiopathic pericarditis.
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Zhao L, Liang J, Rao W, Cui M, Ren S, Zhang L, Xu D, Han Q, Zang YJ, Zhang B. Cross-regulation by TLR4 and T cell Ig mucin-3 determines severity of liver injury in a CCl4-induced mouse model. Scand J Immunol 2019; 91:e12851. [PMID: 31733121 DOI: 10.1111/sji.12851] [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: 07/12/2019] [Revised: 10/06/2019] [Accepted: 11/10/2019] [Indexed: 11/30/2022]
Abstract
Acute liver injury is a common pathological basis for a variety of acute liver diseases in the clinic, which can eventually lead to liver fibrosis and even liver failure. In this study, we found that T cell Ig and mucin domain protein 3 (Tim-3) and TLR4 receptors play important roles in CCl4-induced acute liver injury. Tim-3 is a negative regulator that is expressed by T cells and macrophages. Using antibodies against Tim-3 (anti-Tim-3 Ab), we studied the Tim-3 signal in an animal model of acute liver injury and found that a large number of inflammatory factors were upregulated. In vitro experimental data shown that anti-Tim-3 Ab treatment increased interferon-ɣ production by concanavalin A (ConA)-stimulated spleen T cells, and we found that the expression level of interleukin (IL)-6 was increased in a macrophage/spleen T cell coculture system, while administration of galectin-9 (Gal-9, a Tim-3 ligand) reduced the IL-6 production. This indicates the importance of the Tim-3/Gal-9 signalling pathway in maintaining hepatic homeostasis. The Tim-3 signalling pathway inhibits TLR4-mediated NF-κB activity, and an anti-Tim-3 Ab does not affect the liver injury in TLR4-deficient mice. Regulation between Tim-3 and TLR4 determines the severity of liver damage. The negative regulation of Tim-3 reflects the protective mechanisms of patients with impaired liver function, and these results provide important information about innate and adaptive responses in the regulation of liver damage. This finding is potentially important for the study of early liver injury.
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Affiliation(s)
- Lizhen Zhao
- Department of Immunology, College of Basic Medicine, Qingdao University, Qingdao, Shandong, China
| | - Jie Liang
- Department of Immunology, College of Basic Medicine, Qingdao University, Qingdao, Shandong, China
| | - Wei Rao
- Division of Liver Transplantation, Organ Transplantation Center, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Mengli Cui
- Department of Immunology, College of Basic Medicine, Qingdao University, Qingdao, Shandong, China
| | - Shurong Ren
- Department of Immunology, College of Basic Medicine, Qingdao University, Qingdao, Shandong, China
| | - Li Zhang
- Department of Immunology, College of Basic Medicine, Qingdao University, Qingdao, Shandong, China
| | - Dan Xu
- Department of Immunology, College of Basic Medicine, Qingdao University, Qingdao, Shandong, China
| | - Qi Han
- Department of Immunology, College of Basic Medicine, Qingdao University, Qingdao, Shandong, China
| | - Yun-Jin Zang
- Division of Liver Transplantation, Organ Transplantation Center, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Bei Zhang
- Department of Immunology, College of Basic Medicine, Qingdao University, Qingdao, Shandong, China
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Liu X, Li C, Zhu J, Li W, Zhu Q. Dysregulation of FTX/miR-545 signaling pathway downregulates Tim-3 and is responsible for the abnormal activation of macrophage in cirrhosis. J Cell Biochem 2019; 120:2336-2346. [PMID: 30304545 DOI: 10.1002/jcb.27562] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 08/02/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Accumulating evidence has suggested the involvement of miR-545 and long noncoding RNA (lncRNA) FTX in a wide range of diseases. Therefore, this study aimed to investigate the molecular mechanism underlying the function of miR-545 and lncRNA FTX in hepatitis B virus (HBV)-related cirrhosis. METHOD The level of Tim-3, TLR-4, and endotoxin was detected in CD14+ , CD14 + CD16 + , and CD14 + CD16 - monocytes isolated from both patients with cirrhosis and healthy controls. ELISA assays were performed to detect the effect of Lipopolysaccharide (LPS) or FTX on the expression of tumor necrosis factor alpha (TNF-a), interleukin-6 (IL-6), IL-1β, and Nuclear factor kB (NF-kB). In-silico analysis, luciferase assay, real-time polymerase chain reaction (PCR), and Western blot analysis were utilized to determine the regulatory relationship between miR-545 and Tim-3. RESULTS The levels of Tim-3, Tim-3 MIF and endotoxin were reduced in the CD14+ monocytes isolated from patients with cirrhosis. In addition, the level of Tim-3 was also decreased in the CD14 + CD16 - monocytes isolated from patients with cirrhosis, whereas the level of Tim-3 in CD14 + CD16 + monocytes showed no evident difference between healthy controls and patients with cirrhosis. Furthermore, TLR-4 was highly expressed in CD14 + CD16 + monocytes isolated from patients with cirrhosis, whereas Tim-3 was negatively regulated by endotoxin and the correlation coefficient was -0.5287. After the LPS stimulation, although the level of TNF-a, IL-6, IL-1β, and NF-kB was higher in both patients with cirrhosis and healthy controls, the effect of LPS in patients with cirrhosis was much more significant. In addition, the cirrhosis group showed a lower level of FTX and Tim-3, but a higher level of miR-545. Moreover, miR-545 directly bound to the 3'untranslated region (3'UTR) of Tim-3 and inhibited the luciferase activity of cells cotransfected with miR-545 mimics and wild-type 3'UTR of Tim-3. Furthermore, FTX downregulated the expression of miR-545, TNF-a, IL-6, IL-1β, and NF-kB, but upregulated the expression of Tim-3. CONCLUSION The results of this study confirmed the effect of FTX, miR-545, and Tim-3 on the expression of inflammatory cytokines, the lymphocyte/monocyte ratio, and the severity and prognosis of HBV-related cirrhosis.
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Affiliation(s)
- Xia Liu
- Department of Gastroenterology, Shandong Provincial Hospital Afflilated to Shandong University, Jinan, Shandong, China.,Department of Gastroenterology, Huashan Hospital, Fudan University, Shanghai, China
| | - Cong Li
- Department of Gastroenterology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jie Zhu
- Department of Gastroenterology, Huashan Hospital, Fudan University, Shanghai, China
| | - Wenshuai Li
- Department of Gastroenterology, Huashan Hospital, Fudan University, Shanghai, China
| | - Qiang Zhu
- Department of Gastroenterology, Shandong Provincial Hospital Afflilated to Shandong University, Jinan, Shandong, China
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Schultheiss HP, Fairweather D, Caforio ALP, Escher F, Hershberger RE, Lipshultz SE, Liu PP, Matsumori A, Mazzanti A, McMurray J, Priori SG. Dilated cardiomyopathy. Nat Rev Dis Primers 2019; 5:32. [PMID: 31073128 PMCID: PMC7096917 DOI: 10.1038/s41572-019-0084-1] [Citation(s) in RCA: 331] [Impact Index Per Article: 66.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Dilated cardiomyopathy (DCM) is a clinical diagnosis characterized by left ventricular or biventricular dilation and impaired contraction that is not explained by abnormal loading conditions (for example, hypertension and valvular heart disease) or coronary artery disease. Mutations in several genes can cause DCM, including genes encoding structural components of the sarcomere and desmosome. Nongenetic forms of DCM can result from different aetiologies, including inflammation of the myocardium due to an infection (mostly viral); exposure to drugs, toxins or allergens; and systemic endocrine or autoimmune diseases. The heterogeneous aetiology and clinical presentation of DCM make a correct and timely diagnosis challenging. Echocardiography and other imaging techniques are required to assess ventricular dysfunction and adverse myocardial remodelling, and immunological and histological analyses of an endomyocardial biopsy sample are indicated when inflammation or infection is suspected. As DCM eventually leads to impaired contractility, standard approaches to prevent or treat heart failure are the first-line treatment for patients with DCM. Cardiac resynchronization therapy and implantable cardioverter-defibrillators may be required to prevent life-threatening arrhythmias. In addition, identifying the probable cause of DCM helps tailor specific therapies to improve prognosis. An improved aetiology-driven personalized approach to clinical care will benefit patients with DCM, as will new diagnostic tools, such as serum biomarkers, that enable early diagnosis and treatment.
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Affiliation(s)
- Heinz-Peter Schultheiss
- Institute for Cardiac Diagnostics and Therapy (IKDT), Berlin, Germany. .,Department of Cardiology, Charité-Universitaetsmedizin Berlin, Berlin, Germany.
| | - DeLisa Fairweather
- Mayo Clinic, Department of Cardiovascular Medicine, Jacksonville, FL, USA.
| | - Alida L. P. Caforio
- 0000 0004 1757 3470grid.5608.bDivision of Cardiology, Department of Cardiological Thoracic and Vascular Sciences and Public Health, University of Padua, Padova, Italy
| | - Felicitas Escher
- grid.486773.9Institute for Cardiac Diagnostics and Therapy (IKDT), Berlin, Germany ,0000 0001 2218 4662grid.6363.0Department of Cardiology, Charité–Universitaetsmedizin Berlin, Berlin, Germany ,0000 0004 5937 5237grid.452396.fDZHK (German Centre for Cardiovascular Research), partner site Berlin, Berlin, Germany
| | - Ray E. Hershberger
- 0000 0001 2285 7943grid.261331.4Divisions of Human Genetics and Cardiovascular Medicine in the Department of Internal Medicine, The Ohio State University College of Medicine, Columbus, OH USA
| | - Steven E. Lipshultz
- 0000 0004 1936 9887grid.273335.3Department of Pediatrics, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY USA ,0000 0000 9958 7286grid.413993.5Oishei Children’s Hospital, Buffalo, NY USA ,Roswell Park Comprehensive Cancer Center, Buffalo, NY USA
| | - Peter P. Liu
- 0000 0001 2182 2255grid.28046.38University of Ottawa Heart Institute, Ottawa, Ontario Canada
| | - Akira Matsumori
- grid.410835.bClinical Research Center, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Andrea Mazzanti
- 0000 0004 1762 5736grid.8982.bDepartment of Molecular Medicine, University of Pavia, Pavia, Italy ,Department of Molecular Cardiology, IRCCS ICS Maugeri, Pavia, Italy
| | - John McMurray
- 0000 0001 2193 314Xgrid.8756.cBritish Heart Foundation (BHF) Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Silvia G. Priori
- 0000 0004 1762 5736grid.8982.bDepartment of Molecular Medicine, University of Pavia, Pavia, Italy ,Department of Molecular Cardiology, IRCCS ICS Maugeri, Pavia, Italy
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Tetraiodothyroacetic acid (tetrac), integrin αvβ3 and disabling of immune checkpoint defense. Future Med Chem 2018; 10:1637-1639. [PMID: 29957044 DOI: 10.4155/fmc-2018-0123] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Regulatory Role of CD4 + T Cells in Myocarditis. J Immunol Res 2018; 2018:4396351. [PMID: 30035131 PMCID: PMC6032977 DOI: 10.1155/2018/4396351] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 05/21/2018] [Accepted: 05/29/2018] [Indexed: 12/13/2022] Open
Abstract
Myocarditis is an important cause of heart failure in young patients. Autoreactive, most often, infection-triggered CD4+ T cells were confirmed to be critical for myocarditis induction. Due to a defect in clonal deletion of heart-reactive CD4+ T cells in the thymus of mice and humans, significant numbers of heart-specific autoreactive CD4+ T cells circulate in the blood. Normally, regulatory T cells maintain peripheral tolerance and prevent spontaneous myocarditis development. In the presence of tissue damage and innate immune activation, however, activated self-antigen-loaded dendritic cells promote CD4+ effector T cell expansion and myocarditis. So far, a direct pathogenic role has been described for both activated Th17 and Th1 effector CD4+ T cell subsets, though Th1 effector T cell-derived interferon-gamma was shown to limit myocarditis severity and prevent transition to inflammatory dilated cardiomyopathy. Interestingly, recent observations point out that various CD4+ T cell subsets demonstrate high plasticity in maintaining immune homeostasis and modulating disease phenotypes in myocarditis. These subsets include Th1 and Th17 effector cells and regulatory T cells, despite the fact that there are still sparse and controversial data on the specific role of FOXP3-expressing Treg in myocarditis. Understanding the specific roles of these T cell populations at different stages of the disease progression might provide a key for the development of successful therapeutic strategies.
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Batton KA, Austin CO, Bruno KA, Burger CD, Shapiro BP, Fairweather D. Sex differences in pulmonary arterial hypertension: role of infection and autoimmunity in the pathogenesis of disease. Biol Sex Differ 2018; 9:15. [PMID: 29669571 PMCID: PMC5907450 DOI: 10.1186/s13293-018-0176-8] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 04/09/2018] [Indexed: 01/14/2023] Open
Abstract
Registry data worldwide indicate an overall female predominance for pulmonary arterial hypertension (PAH) of 2–4 over men. Genetic predisposition accounts for only 1–5% of PAH cases, while autoimmune diseases and infections are closely linked to PAH. Idiopathic PAH may include patients with undiagnosed autoimmune diseases based on the relatively high presence of autoantibodies in this group. The two largest PAH registries to date report a sex ratio for autoimmune connective tissue disease-associated PAH of 9:1 female to male, highlighting the need for future studies to analyze subgroup data according to sex. Autoimmune diseases that have been associated with PAH include female-dominant systemic sclerosis, systemic lupus erythematosus, rheumatoid arthritis, Sjögren’s syndrome, and thyroiditis as well as male-dominant autoimmune diseases like myocarditis which has been linked to HIV-associated PAH. The sex-specific association of PAH to certain infections and autoimmune diseases suggests that sex hormones and inflammation may play an important role in driving the pathogenesis of disease. However, there is a paucity of data on sex differences in inflammation in PAH, and more research is needed to better understand the pathogenesis underlying PAH in men and women. This review uses data on sex differences in PAH and PAH-associated autoimmune diseases from registries to provide insight into the pathogenesis of disease.
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Affiliation(s)
- Kyle A Batton
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, USA
| | | | - Katelyn A Bruno
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, USA
| | - Charles D Burger
- Department of Pulmonary and Critical Care Medicine, Mayo Clinic, Jacksonville, FL, USA
| | - Brian P Shapiro
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, USA
| | - DeLisa Fairweather
- Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, USA.
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Liu JF, Wu L, Yang LL, Deng WW, Mao L, Wu H, Zhang WF, Sun ZJ. Blockade of TIM3 relieves immunosuppression through reducing regulatory T cells in head and neck cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:44. [PMID: 29506555 PMCID: PMC5838931 DOI: 10.1186/s13046-018-0713-7] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Accepted: 02/19/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND T-cell immunoglobulin mucin 3 (TIM3) is a negative immune checkpoint and plays a crucial part in tumor-induced immune suppression. However, the mechanism of TIM3 in regulating immunosuppression in head and neck squamous cell carcinoma (HNSCC) was still not quite clear. METHODS We carried out the immunohistochemistry staining of HNSCC tissue microarrays. Through quantification of the histoscore, we performed the correlation analysis among the TIM3, Galectin-9, Foxp3, CD68 and CD163. The effects of TIM3 on regulatory T cells (Tregs) and macrophages were detected by utilizing the Tgfbr1/Pten 2cKO HNSCC mouse model. Flow cytometry were used to analysis the percent of Tregs, macrophages and IFN-γ. RESULTS We demonstrated the close association among TIM3/Galectin-9 pathway, regulatory T cell marker (Foxp3) and macrophage marker (CD68, CD163) in human HNSCC. In the transgenic HNSCC mouse model, blockade of TIM3 by the anti-TIM3 monoclonal antibody induced a reduction of CD4+CD25+Foxp3+ Tregs. Meanwhile, the population of TIM3+ Tregs was also decreased. However, the population of CD206+ macrophages was not significantly declined. The increased IFN-γ production on CD8+ T cells in anti-TIM3 treatment mice showed that the antitumor immune response was enhanced through suppression of these negative immune factors. CONCLUSIONS The present study demonstrated that TIM3 was associated with the immunosuppression in HNSCC. And targeting TIM3 can enhance anti-tumor immune response by decreasing Tregs in HNSCC.
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Affiliation(s)
- Jian-Feng Liu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Lei Wu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Lei-Lei Yang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Wei-Wei Deng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Liang Mao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Hao Wu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Wen-Feng Zhang
- Department of Oral Maxillofacial-Head Neck Oncology, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Zhi-Jun Sun
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China. .,Department of Oral Maxillofacial-Head Neck Oncology, School and Hospital of Stomatology, Wuhan University, Wuhan, China.
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Cloots RHE, Sankaranarayanan S, Poynter ME, Terwindt E, van Dijk P, Lamers WH, Eleonore Köhler S. Arginase 1 deletion in myeloid cells affects the inflammatory response in allergic asthma, but not lung mechanics, in female mice. BMC Pulm Med 2017; 17:158. [PMID: 29183288 PMCID: PMC5706166 DOI: 10.1186/s12890-017-0490-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 11/10/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND (Over-)expression of arginase may limit local availability of arginine for nitric oxide synthesis. We investigated the significance of arginase1 (ARG1) for the development of airway hyperresponsiveness (AHR) and lung inflammation in female mice with ovalbumin (OVA)-induced allergic asthma. METHODS Arg1 was ablated in the lung by crossing Arg1 fl/fl and Tie2Cre tg/- mice. OVA sensitization and challenge were conducted, and AHR to methacholine was determined using the Flexivent system. Changes in gene expression, chemokine and cytokine secretion, plasma IgE, and lung histology were quantified using RT-qPCR, ELISA, and immunohistochemistry, respectively. RESULTS Arg1 ablation had no influence on the development of OVA-induced AHR, but attenuated OVA-induced increases in expression of Arg2 and Nos2, Slc7a1, Slc7a2, and Slc7a7 (arginine transporters), Il4, Il5 and Il13 (TH2-type cytokines), Ccl2 and Ccl11 (chemokines), Ifng (TH1-type cytokine), Clca3 and Muc5ac (goblet cell markers), and OVA-specific IgE. Pulmonary IL-10 protein content increased, but IL-4, IL-5, IL-13, TNFα and IFNγ content, and lung histopathology, were not affected. Arg1 elimination also decreased number and tightness of correlations between adaptive changes in lung function and inflammatory parameters in OVA/OVA-treated female mice. OVA/OVA-treated female mice mounted a higher OVA-IgE response than males, but the correlation between lung function and inflammation was lower. Arg1-deficient OVA/OVA-treated females differed from males in a more pronounced decline of arginine-metabolizing and -transporting genes, higher plasma arginine levels, a smaller OVA-specific IgE response, and no improvement of peripheral lung function. CONCLUSION Complete ablation of Arg1 in the lung affects mRNA abundance of arginine-transporting and -metabolizing genes, and pro-inflammatory genes, but not methacholine responsiveness or accumulation of inflammatory cells.
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Affiliation(s)
- Roy H. E. Cloots
- Department of Anatomy & Embryology and NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Selvakumari Sankaranarayanan
- Department of Anatomy & Embryology and NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Matthew E. Poynter
- Division of Pulmonary Disease and Critical Care, Department of Medicine, College of Medicine, University of Vermont, Burlington, VT USA
| | - Els Terwindt
- Department of Anatomy & Embryology and NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Paul van Dijk
- Department of Anatomy & Embryology and NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Wouter H. Lamers
- Department of Anatomy & Embryology and NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands
| | - S. Eleonore Köhler
- Department of Anatomy & Embryology and NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
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