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Cheung EC, Nilsson A, Venter I, Kowalik G, Ribeiro C, Rodriguez J, Kuraoka K, Russo R, Escobar JB, Alber BR, Mendelowitz D, Kay MW, Schunke KJ. Sex differences in cardiac transcriptomic response to neonatal sleep apnea. Physiol Rep 2024; 12:e16110. [PMID: 38981849 PMCID: PMC11233197 DOI: 10.14814/phy2.16110] [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: 03/25/2024] [Revised: 05/03/2024] [Accepted: 05/31/2024] [Indexed: 07/11/2024] Open
Abstract
Pediatric obstructive sleep apnea poses a significant health risk, with potential long-term consequences on cardiovascular health. This study explores the dichotomous nature of neonatal cardiac response to chronic intermittent hypoxia (CIH) between males and females, aiming to fill a critical knowledge gap in the understanding of sex-specific cardiovascular consequences of sleep apnea in early life. Neonates were exposed to CIH until p28 and underwent comprehensive in vivo physiological assessments, including whole-body plethysmography, treadmill stress-tests, and echocardiography. Results indicated that male CIH rats weighed 13.7% less than age-matched control males (p = 0.0365), while females exhibited a mild yet significant increased respiratory drive during sleep (93.94 ± 0.84 vs. 95.31 ± 0.81;p = 0.02). Transcriptomic analysis of left ventricular tissue revealed a substantial sex-based difference in the cardiac response to CIH, with males demonstrating a more pronounced alteration in gene expression compared to females (5986 vs. 3174 genes). The dysregulated miRNAs in males target metabolic genes, potentially predisposing the heart to altered metabolism and substrate utilization. Furthermore, CIH in males was associated with thinner left ventricular walls and dysregulation of genes involved in the cardiac action potential, possibly predisposing males to CIH-related arrhythmia. These findings emphasize the importance of considering sex-specific responses in understanding the cardiovascular implications of pediatric sleep apnea.
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Affiliation(s)
- Emily C. Cheung
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
- Department of Pharmacology and PhysiologyThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - Anna Nilsson
- Department of Anatomy, Biochemistry & PhysiologyUniversity of HawaiiHonoluluHawaiiUSA
| | - Ian Venter
- Department of Anatomy, Biochemistry & PhysiologyUniversity of HawaiiHonoluluHawaiiUSA
| | - Grant Kowalik
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - Caitlin Ribeiro
- Department of Pharmacology and PhysiologyThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - Jeannette Rodriguez
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - Kiralee Kuraoka
- Department of Anatomy, Biochemistry & PhysiologyUniversity of HawaiiHonoluluHawaiiUSA
| | - Rebekah Russo
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - Joan B. Escobar
- Department of Pharmacology and PhysiologyThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - Bridget R. Alber
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - David Mendelowitz
- Department of Pharmacology and PhysiologyThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - Matthew W. Kay
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
| | - Kathryn J. Schunke
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDistrict of ColumbiaUSA
- Department of Anatomy, Biochemistry & PhysiologyUniversity of HawaiiHonoluluHawaiiUSA
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Feng K, Wu Y, Li J, Sun Q, Ye Z, Li X, Guo X, Kang J. Critical Role of miR-130b-5p in Cardiomyocyte Proliferation and Cardiac Repair in Mice After Myocardial Infarction. Stem Cells 2024; 42:29-41. [PMID: 37933895 DOI: 10.1093/stmcls/sxad080] [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: 04/20/2023] [Accepted: 10/16/2023] [Indexed: 11/08/2023]
Abstract
Poor proliferative capacity of adult cardiomyocytes is the primary cause of heart failure after myocardial infarction (MI), thus exploring the molecules and mechanisms that promote the proliferation of adult cardiomyocytes is crucially useful for cardiac repair after MI. Here, we found that miR-130b-5p was highly expressed in mouse embryonic and neonatal hearts and able to promote cardiomyocyte proliferation both in vitro and in vivo. Mechanistic studies revealed that miR-130b-5p mainly promoted the cardiomyocyte proliferation through the MAPK-ERK signaling pathway, and the dual-specific phosphatase 6 (Dusp6), a negative regulator of the MAPK-ERK signaling, was the direct target of miR-130b-5p. Moreover, we found that overexpression of miR-130b-5p could promote the proliferation of cardiomyocytes and improve cardiac function in mice after MI. These studies thus revealed the critical role of miR-130b-5p and its targeted MAPK-ERK signaling in the cardiomyocyte proliferation of adult hearts and proved that miR-130b-5p could be a potential target for cardiac repair after MI.
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Affiliation(s)
- Ke Feng
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, National Stem Cell Translational Resource Center, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Yukang Wu
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, National Stem Cell Translational Resource Center, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Jianguo Li
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, National Stem Cell Translational Resource Center, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Qiaoyi Sun
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, National Stem Cell Translational Resource Center, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Zihui Ye
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, National Stem Cell Translational Resource Center, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Xuan Li
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, National Stem Cell Translational Resource Center, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Xudong Guo
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, National Stem Cell Translational Resource Center, School of Life Sciences and Technology, Tongji University, Shanghai, China
- Institute for Advanced Study, Tongji University, Shanghai, China
| | - Jiuhong Kang
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, National Stem Cell Translational Resource Center, School of Life Sciences and Technology, Tongji University, Shanghai, China
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Antonietti L, Mariani J, Martínez MJ, Santalla M, Vensentini N, Kyle DA, de Abreu M, Tajer C, Lacunza E, Ferrero P. Circulating microRNAs as biomarkers of Chagas cardiomyopathy. Front Cardiovasc Med 2023; 10:1250029. [PMID: 38173812 PMCID: PMC10762800 DOI: 10.3389/fcvm.2023.1250029] [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: 06/29/2023] [Accepted: 11/28/2023] [Indexed: 01/05/2024] Open
Abstract
Background Chagas cardiomyopathy (CHCM) is the most important clinical manifestation of Chagas disease. The analysis of cardiac miRNAs may contribute to predicting the progression to CHCM in Chagas indeterminate phase and/or to the differential diagnosis for cardiomyopathy. Methods We carried out a case-control study to identify circulating miRNAs associated with CHCM. We assigned 104 participants to four groups: healthy controls (HC), Chagas non-cardiomyopathy controls, CHCM cases, and ischemic cardiomyopathy controls. We performed a clinical, echocardiographic, and laboratory evaluation and profiled circulating miRNA in the serum samples. Results Differences between groups were observed in clinical variables and in the analysis of miRNAs. Compared to HC, CHCM participants had 4 over-expressed and 6 under-expressed miRNAs; miR-95-3p and miR-130b-3p were upregulated in CHCM compared with controls, Chagas non-cardiomyopathy and ischemic cardiomyopathy participants, suggesting that might be a hallmark of CHCM. Analysis of gene targets associated with cardiac injury yielded results of genes involved in arrhythmia generation, cardiomegaly, and hypertrophy. Conclusions Our data suggest that the expression of circulating miRNAs identified by deep sequencing in CHCM could be associated with different cardiac phenotypes in CHCM subjects, compared with Chagas non-CHCM, ischemic cardiomyopathy controls, and healthy controls.
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Affiliation(s)
- Laura Antonietti
- Department of Cardiology, El Cruce Hospital, Florencio Varela, Buenos Aires, Argentina
- Health Sciences Institute, Arturo Jauretche National University, Florencio Varela, Buenos Aires, Argentina
| | - Javier Mariani
- Department of Cardiology, El Cruce Hospital, Florencio Varela, Buenos Aires, Argentina
- Health Sciences Institute, Arturo Jauretche National University, Florencio Varela, Buenos Aires, Argentina
| | - María Jose Martínez
- Department of Cardiology, El Cruce Hospital, Florencio Varela, Buenos Aires, Argentina
| | - Manuela Santalla
- Cardiovascular Research Center Dr. Horacio Cingolani, Faculty of Medical Sciences, La Plata National University, La Plata, Buenos Aires, Argentina
| | - Natalia Vensentini
- Department of Cardiology, El Cruce Hospital, Florencio Varela, Buenos Aires, Argentina
| | - Diego Alfredo Kyle
- Department of Cardiology, El Cruce Hospital, Florencio Varela, Buenos Aires, Argentina
| | - Maximiliano de Abreu
- Department of Cardiology, El Cruce Hospital, Florencio Varela, Buenos Aires, Argentina
- Health Sciences Institute, Arturo Jauretche National University, Florencio Varela, Buenos Aires, Argentina
| | - Carlos Tajer
- Department of Cardiology, El Cruce Hospital, Florencio Varela, Buenos Aires, Argentina
- Health Sciences Institute, Arturo Jauretche National University, Florencio Varela, Buenos Aires, Argentina
| | - Ezequiel Lacunza
- Basic and Applied Inmunological Research, Faculty of Medical Sciences, La Plata National University, La Plata, Buenos Aires, Argentina
| | - Paola Ferrero
- Cardiovascular Research Center Dr. Horacio Cingolani, Faculty of Medical Sciences, La Plata National University, La Plata, Buenos Aires, Argentina
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Sæther JC, Vesterbekkmo EK, Taraldsen MD, Gigante B, Follestad T, Røsjø HR, Omland T, Wiseth R, Madssen E, Bye A. Associations between circulating microRNAs and lipid-rich coronary plaques measured with near-infrared spectroscopy. Sci Rep 2023; 13:7580. [PMID: 37165064 PMCID: PMC10172303 DOI: 10.1038/s41598-023-34642-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 05/04/2023] [Indexed: 05/12/2023] Open
Abstract
Lipid-rich coronary atherosclerotic plaques often cause myocardial infarction (MI), and circulating biomarkers that reflect lipid content may predict risk of MI. We investigated the association between circulating microRNAs (miRs) are lipid-rich coronary plaques in 47 statin-treated patients (44 males) with stable coronary artery disease undergoing percutaneous coronary intervention. We assessed lipid content in non-culprit coronary artery lesions with near-infrared spectroscopy and selected the 4 mm segment with the highest measured lipid core burden index (maxLCBI4mm). Lipid-rich plaques were predefined as a lesion with maxLCBI4mm ≥ 324.7. We analyzed 177 circulating miRs with quantitative polymerase chain reaction in plasma samples. The associations between miRs and lipid-rich plaques were analyzed with elastic net. miR-133b was the miR most strongly associated with lipid-rich coronary plaques, with an estimated 18% increase in odds of lipid-rich plaques per unit increase in miR-133b. Assessing the uncertainty by bootstrapping, miR-133b was present in 82.6% of the resampled dataset. Inclusion of established cardiovascular risk factors did not attenuate the association. No evidence was found for an association between the other analyzed miRs and lipid-rich coronary plaques. Even though the evidence for an association was modest, miR-133b could be a potential biomarker of vulnerable coronary plaques and risk of future MI. However, the prognostic value and clinical relevance of miR-133b needs to be assessed in larger cohorts.
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Affiliation(s)
- Julie Caroline Sæther
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.
- Department of Cardiology, St. Olavs Hospital, Trondheim, Norway.
| | - Elisabeth Kleivhaug Vesterbekkmo
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Cardiology, St. Olavs Hospital, Trondheim, Norway
- National Advisory Unit on Exercise Training as Medicine for Cardiopulmonary Conditions, Trondheim, Norway
| | - Maria Dalen Taraldsen
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
| | - Bruna Gigante
- Division of Cardiovascular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Turid Follestad
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
- Clinical Research Unit Central Norway, St. Olavs Hospital, Trondheim, Norway
| | - Helge Rørvik Røsjø
- Division of Research and Innovation, Akershus University Hospital, Lørenskog, Norway
- K. G. Jebsen Center for Cardiac Biomarkers, University of Oslo, Oslo, Norway
| | - Torbjørn Omland
- Division of Research and Innovation, Akershus University Hospital, Lørenskog, Norway
- K. G. Jebsen Center for Cardiac Biomarkers, University of Oslo, Oslo, Norway
- Department of Cardiology, Division of Medicine, Akershus University Hospital, Lørenskog, Norway
| | - Rune Wiseth
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Cardiology, St. Olavs Hospital, Trondheim, Norway
| | - Erik Madssen
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Cardiology, St. Olavs Hospital, Trondheim, Norway
| | - Anja Bye
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Cardiology, St. Olavs Hospital, Trondheim, Norway
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Conlon FL, Arnold AP. Sex chromosome mechanisms in cardiac development and disease. NATURE CARDIOVASCULAR RESEARCH 2023; 2:340-350. [PMID: 37808586 PMCID: PMC10558115 DOI: 10.1038/s44161-023-00256-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 02/13/2023] [Indexed: 10/10/2023]
Abstract
Many human diseases, including cardiovascular disease, show differences between men and women in pathology and treatment outcomes. In the case of cardiac disease, sex differences are exemplified by differences in the frequency of specific types of congenital and adult-onset heart disease. Clinical studies have suggested that gonadal hormones are a factor in sex bias. However, recent research has shown that gene and protein networks under non-hormonal control also account for cardiac sex differences. In this review, we describe the sex chromosome pathways that lead to sex differences in the development and function of the heart and highlight how these findings affect future care and treatment of cardiac disease.
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Affiliation(s)
- Frank L Conlon
- Departments of Biology and Genetics, McAllister Heart Institute, UNC-Chapel Hill, Chapel Hill, NC 27599, USA
| | - Arthur P Arnold
- Department of Integrative Biology & Physiology, University of California, Los Angeles, CA, 90095, USA
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6
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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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Pulakat L. A role for misaligned gene expression of fetal gene program in the loss of female-specific cardiovascular protection in young obese and diabetic females. Front Endocrinol (Lausanne) 2023; 14:1108449. [PMID: 36909327 PMCID: PMC9995961 DOI: 10.3389/fendo.2023.1108449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 02/06/2023] [Indexed: 02/25/2023] Open
Abstract
Healthy, premenopausal women have the advantage of female-specific cardiovascular protection compared to age-matched healthy men. However, pathologies such as obesity and Type 2 diabetes mellitus (T2DM) cause losing of this female-specific cardiovascular protection in young, obese and diabetic females. Molecular mechanisms underlying this loss of female-specific cardiovascular protection in young, obese and diabetic females are not clearly elucidated. This review takes a close look at the latest advances in our understanding of sex differences in adult cardiac gene expression patterns in health and disease. Based on the emerging data, this review proposes that female biased gene expression patterns in healthy adult hearts of human and pre-clinical models support the existence of active fetal gene program in healthy, premenopausal female heart compared to age-matched healthy male heart. However, the misalignment of gene expression pattern in this female-specific active cardiac fetal gene program caused by pathologies such as obesity and T2DM may contribute to the loss of female-specific cardiovascular protection in young, obese and diabetic females.
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Affiliation(s)
- Lakshmi Pulakat
- Molecular Cardiology Research Institute, Tufts Medical Center, and Department of Medicine, Tufts University School of Medicine, Boston, MA, United States
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8
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miR-1322 protects against the myocardial ischemia via LRP8/PI3K/AKT pathway. Biochem Biophys Res Commun 2023; 638:120-126. [PMID: 36446154 DOI: 10.1016/j.bbrc.2022.10.101] [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: 08/25/2022] [Revised: 09/12/2022] [Accepted: 10/29/2022] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Myocardial infarction is a fatal disease that causes millions of deaths worldwide every year. The damage and recovery of cardiomyocytes are closely related to changes in gene expression. miRNA may be a new therapeutic target of myocardial ischemia-reperfusion. METHODS The differential expression genes were analyzed based on GSE83500, GSE60993 and GSE154733. miRNA expression profile data and clinical data were downloaded from GSE76591. Bioinformatics analysis including limma package, cluster analysis, WGCNA analysis were performed. H9c2 cell hypoxia model and mouse myocardial ischemia model were established. Q-PCR, Western blot and luciferase assay were carried out. RESULTS miR-1322 was identified as a significantly differentially expressed miRNA in myocardial ischemi. Yin Yang 1(YY1) was significantly highly expressed in cells with hypoxia treatment (P < 0.05), and myocardial ischemia mice (P < 0.01), which was identified as the transcription factor of miR-1322. The protein expression of LRP8 was lower in cells with hypoxia treatment and myocardial ischemia mice (P < 0.05) and LRP8 was the target gene of miR-1322. The overexpression of LRP8 could significantly increase the expression of p-PI3K, p-AKT, and P70 S6K (P < 0.05). LRP8 regulated PI3K/AKT/P70 S6K signaling pathway, eventually resulting in cell apoptosis. CONCLUSION Our results suggested that miR-1322 can protect against the myocardial ischemia via LRP8/PI3K/AKT pathway.
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Han Y, Wennersten SA, Wright JM, Ludwig RW, Lau E, Lam MPY. Proteogenomics reveals sex-biased aging genes and coordinated splicing in cardiac aging. Am J Physiol Heart Circ Physiol 2022; 323:H538-H558. [PMID: 35930447 PMCID: PMC9448281 DOI: 10.1152/ajpheart.00244.2022] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/20/2022] [Accepted: 07/31/2022] [Indexed: 01/24/2023]
Abstract
The risks of heart diseases are significantly modulated by age and sex, but how these factors influence baseline cardiac gene expression remains incompletely understood. Here, we used RNA sequencing and mass spectrometry to compare gene expression in female and male young adult (4 mo) and early aging (20 mo) mouse hearts, identifying thousands of age- and sex-dependent gene expression signatures. Sexually dimorphic cardiac genes are broadly distributed, functioning in mitochondrial metabolism, translation, and other processes. In parallel, we found over 800 genes with differential aging response between male and female, including genes in cAMP and PKA signaling. Analysis of the sex-adjusted aging cardiac transcriptome revealed a widespread remodeling of exon usage patterns that is largely independent from differential gene expression, concomitant with upstream changes in RNA-binding protein and splice factor transcripts. To evaluate the impact of the splicing events on cardiac proteoform composition, we applied an RNA-guided proteomics computational pipeline to analyze the mass spectrometry data and detected hundreds of putative splice variant proteins that have the potential to rewire the cardiac proteome. Taken together, the results here suggest that cardiac aging is associated with 1) widespread sex-biased aging genes and 2) a rewiring of RNA splicing programs, including sex- and age-dependent changes in exon usages and splice patterns that have the potential to influence cardiac protein structure and function. These changes contribute to the emerging evidence for considerable sexual dimorphism in the cardiac aging process that should be considered in the search for disease mechanisms.NEW & NOTEWORTHY Han et al. used proteogenomics to compare male and female mouse hearts at 4 and 20 mo. Sex-biased cardiac genes function in mitochondrial metabolism, translation, autophagy, and other processes. Hundreds of cardiac genes show sex-by-age interactions, that is, sex-biased aging genes. Cardiac aging is accompanied with a remodeling of exon usage in functionally coordinated genes, concomitant with differential expression of RNA-binding proteins and splice factors. These features represent an underinvestigated aspect of cardiac aging that may be relevant to the search for disease mechanisms.
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Grants
- R21-HL150456 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- R00-HL144829 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- R00 HL127302 NHLBI NIH HHS
- R03-OD032666 HHS | NIH | NIH Office of the Director (OD)
- R01 HL141278 NHLBI NIH HHS
- F32 HL149191 NHLBI NIH HHS
- F32-HL149191 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- R00-HL127302 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- R21 HL150456 NHLBI NIH HHS
- R03 OD032666 NIH HHS
- R00 HL144829 NHLBI NIH HHS
- R01-HL141278 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- University of Colorado
- University of Colorado School of Medicine, Anschutz Medical Campus
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Affiliation(s)
- Yu Han
- Department of Medicine, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, Colorado
| | - Sara A Wennersten
- Department of Medicine, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, Colorado
| | - Julianna M Wright
- Department of Medicine, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, Colorado
| | - R W Ludwig
- Department of Medicine, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, Colorado
| | | | - Maggie P Y Lam
- Department of Medicine, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, Colorado
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, Colorado
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Hailu FT, Karimpour-Fard A, Toni LS, Bristow MR, Miyamoto SD, Stauffer BL, Sucharov CC. Integrated analysis of miRNA-mRNA interaction in pediatric dilated cardiomyopathy. Pediatr Res 2022; 92:98-108. [PMID: 34012027 PMCID: PMC8602449 DOI: 10.1038/s41390-021-01548-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 03/10/2021] [Accepted: 04/08/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND MicroRNAs (miRNAs) are short single-stranded nucleotides that can regulate gene expression. Although we previously evaluated the expression of miRNAs in pediatric dilated cardiomyopathy (DCM) by miRNA array, pathway prediction based on changes in mRNA expression has not been previously analyzed in this population. The current study aimed to determine the regulation of miRNA expression by miRNA-sequencing (miRNA-seq) and, through miRNA-sequencing (mRNA-seq), analyze their putative target genes and altered pathways in pediatric DCM hearts. METHODS miRNA expression was determined by miRNA-seq [n = 10 non-failing (NF), n = 20 DCM]. Expression of a subset of miRNAs was evaluated in adult DCM patients (n = 11 NF, n = 13 DCM). miRNA-mRNA prediction analysis was performed using mRNA-seq data (n = 7 NF, n = 7 DCM) from matched samples. RESULTS Expression of 393 miRNAs was significantly different (p < 0.05) in pediatric DCM patients compared to NF controls. TargetScan-based miRNA-mRNA analysis revealed 808 significantly inversely expressed genes. Functional analysis suggests upregulated pathways related to the regulation of stem cell differentiation and cardiac muscle contraction, and downregulated pathways related to the regulation of protein phosphorylation, signal transduction, and cell communication. CONCLUSIONS Our results demonstrated a unique age-dependent regulation of miRNAs and their putative target genes, which may contribute to distinctive phenotypic characteristics of DCM in children. IMPACT This is the first study to compare miRNA expression in the heart of pediatric DCM patients to age-matched healthy controls by RNA sequencing. Expression of a subset of miRNAs is uniquely dysregulated in children. Using mRNA-seq and miRNA-seq from matched samples, target prediction was performed. This study underscores the importance of pediatric-focused studies.
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Affiliation(s)
- Frehiwet T Hailu
- Department of Medicine/Division of Cardiology, University of Colorado School of Medicine, Aurora, CO, USA
| | | | - Lee S Toni
- Department of Medicine/Division of Cardiology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Michael R Bristow
- Department of Medicine/Division of Cardiology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Shelley D Miyamoto
- Department of Pediatrics, University of Colorado School of Medicine, Children's Hospital Colorado, Aurora, CO, USA
| | - Brian L Stauffer
- Department of Medicine/Division of Cardiology, University of Colorado School of Medicine, Aurora, CO, USA.
- Division of Cardiology, Denver Health and Hospital Authority, Denver, CO, USA.
| | - Carmen C Sucharov
- Department of Medicine/Division of Cardiology, University of Colorado School of Medicine, Aurora, CO, USA.
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11
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Flinn B, Adams C, Chowdhury N, Gress T, Santanam N. Profiling of Non-Coding Regulators and Their Targets in Epicardial Fat from Patients with Coronary Artery Disease. Int J Mol Sci 2022; 23:ijms23105297. [PMID: 35628106 PMCID: PMC9141930 DOI: 10.3390/ijms23105297] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 11/24/2022] Open
Abstract
Epicardial fat is a continuously growing target of investigation in cardiovascular diseases due to both its anatomical proximity to the heart and coronary circulation and its unique physiology among adipose depots. Previous reports have demonstrated that epicardial fat plays key roles in coronary artery disease, but the non-coding RNA and transcriptomic alterations of epicardial fat in coronary artery disease have not been investigated thoroughly. Micro- and lncRNA microarrays followed by GO-KEGG functional enrichment analysis demonstrated sex-dependent unique mi/lncRNAs altered in human epicardial fat in comparison to subcutaneous fat in both patients with and without coronary artery disease (IRB approved). Among the 14 differentially expressed microRNAs in epicardial fat between patients with and without coronary artery disease, the hsa-miR-320 family was the most highly represented. IPW lncRNA interacted with three of these differentially expressed miRNAs. Next-generation sequencing and pathway enrichment analysis identified six unique mRNAs–miRNA pairs. Pathway enrichment identified inflammation, adipogenesis, and cardiomyocyte apoptosis as the most represented functions altered by the mi/lncRNAs and atherosclerosis and myocardial infarction among the highest cardiovascular pathologies associated with them. Overall, the epicardial fat in patients with coronary artery disease has a unique mi/lncRNA profile which is sex-dependent and has potential implications for regulating cardiac function.
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Affiliation(s)
- Brendin Flinn
- Department of Biomedical Sciences, Joan C Edwards School of Medicine, Marshall University, Huntington, WV 25755, USA;
| | - Christopher Adams
- Department of Cardiology, Joan C Edwards School of Medicine, Marshall University, Huntington, WV 25755, USA;
| | - Nepal Chowdhury
- Department of Cardiovascular and Thoracic Surgery, St. Mary’s Medical Center, Huntington, WV 25702, USA;
| | - Todd Gress
- Research Service, Hershel “Woody” Williams VA Medical Center, Huntington, WV 25704, USA;
| | - Nalini Santanam
- Department of Biomedical Sciences, Joan C Edwards School of Medicine, Marshall University, Huntington, WV 25755, USA;
- Correspondence: ; Tel.: +1-(304)-696-7321
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12
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Eyyupkoca F, Ercan K, Kiziltunc E, Ugurlu IB, Kocak A, Eyerci N. Determination of microRNAs associated with adverse left ventricular remodeling after myocardial infarction. Mol Cell Biochem 2022; 477:781-791. [PMID: 35048282 DOI: 10.1007/s11010-021-04330-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 12/09/2021] [Indexed: 12/22/2022]
Abstract
Increasing evidence indicates that microRNA (miRNA) regulated mechanisms in myocardial healing and ventricular remodeling following acute myocardial infarction (AMI). We aim to comprehensively investigate changes of exosomal miRNA profile during the post-MI period and determine potential miRNAs associated to adverse left ventricular remodeling (ALVR). We prospectively evaluated ST-elevated MI patients with cardiac magnetic resonance imaging at the 2 weeks and 6 months after AMI (n = 10). ALVR was defined as an increase in LV end-diastolic and end-systolic volume > 13%. The blood samples were taken for miRNA measurements at the baseline, 2 and 6 weeks after AMI. In the miRNA profile assessment, 8 miRNAs were identified that were associated ALVR (miR-199a-5p, miR-23b-3p, miR-26b-5p, miR-301a-3p, miR-374a-5p, miR-423-5p, miR-483-5p and miR-652-3p). Three of them (miR-301a-3p, miR-374a-5p and miR-423-5p) differed significantly between patients with and without ALVR during follow-up period and the rest of them during the acute phase of AMI. The detection of these miRNAs, which have different role in various pathways, necessitate future mechanistic studies unravel the complex remodeling process after AMI.
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Affiliation(s)
- Ferhat Eyyupkoca
- Department of Cardiology, Dr. Nafiz Korez Sincan State Hospital, Fatih District, Gazi Mustafa Kemal Boulevard, 06930, Ankara, Turkey.
| | - Karabekir Ercan
- Department of Radiology, Ankara City Hospital, Ankara, Turkey
| | - Emrullah Kiziltunc
- Department of Cardiology, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Ilgin Burcu Ugurlu
- Department of Cardiology, Gulhane Training and Research Hospital, Ankara, Turkey
| | - Ajar Kocak
- Department of Cardiology, Dr. Nafiz Korez Sincan State Hospital, Fatih District, Gazi Mustafa Kemal Boulevard, 06930, Ankara, Turkey
| | - Nilnur Eyerci
- Department of Medical Biology, Kafkas University Faculty of Medicine, Kars, Turkey
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13
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Integrative Bioinformatics Analysis Reveals That Infarct-Mediated Overexpression of Potential miR-662/CREB1 Pathway-Induced Neuropeptide VIP Is Associated with the Risk of Atrial Fibrillation: A Correlation Analysis between Myocardial Electrophysiology and Neuroendocrine. DISEASE MARKERS 2021; 2021:8116633. [PMID: 34853624 PMCID: PMC8629660 DOI: 10.1155/2021/8116633] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/11/2021] [Accepted: 10/22/2021] [Indexed: 11/17/2022]
Abstract
Background Neuropeptide levels are closely associated with the development and maintenance of atrial fibrillation (AF) after myocardial infarction (MI). This study was aimed at investigating the regulatory network that affects neuropeptide expression through transcription factor modulation. Methods We downloaded three datasets from the GEO database, and after performing differential and crosstabulation analyses, we screened out differentially expressed (DE) miRNAs and DEmRNAs coexpressed in AF and MI and performed DEmiRNA–DEmRNA pairing prediction; from which, we constructed a regulatory network. Subsequently, the hsa-miR-662-CREB1-VIP axis was obtained, and the role of CREB1 and VIP in the development of AF after MI was further revealed by single-cell analysis and prediction model construction. Results In this study, eight DEmRNAs and four miRNAs were screened. hsa-miR-662 was identified by database integration analysis to regulate the transcription factor CREB1, a potential transcriptional regulator in VIP. CREB1 and VIP are mainly enriched in pathways of energy metabolism, ion channels, and myocardial contraction. CREB1 and VIP were identified as biomarkers of the onset and prognosis of MI and AF. Conclusions In this study, the miR-662/CREB1/VIP regulatory pathway was constructed through integrated analysis of datasets, thus providing new ideas to study the mechanisms of AF development.
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14
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Liu B, Cheng Y, Tian J, Zhang L, Cui X. Upregulated lncRNA Pvt1 may be important for cardiac remodeling at the infarct border zone. Mol Med Rep 2020; 22:2605-2616. [PMID: 32945428 PMCID: PMC7453657 DOI: 10.3892/mmr.2020.11371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 02/21/2020] [Indexed: 12/31/2022] Open
Abstract
Myocardial infarction (MI) is a leading cause of mortality due to progression to ventricular arrhythmias (VAs) or heart failure (HF). Cardiac remodeling at the infarct border zone (IBZ) is the primary contributor for VAs or HF. Therefore, genes involved in IBZ remodeling may be potential targets for the treatment of MI, but the mechanism remains unclear. The present study aimed to explain the molecular mechanisms of IBZ remodeling based on the roles of long non-coding RNAs (lncRNAs). After downloading miRNA (GSE76592) and mRNA/lncRNA (GSE52313) datasets from the Gene Expression Omnibus database, 23 differentially expressed miRNAs (DEMs), 2,563 genes (DEGs) and 168 lncRNAs (DELs) were identified between IBZ samples of MI mice and sham controls. A total of 483 DEGs were predicted to be regulated by 23 DEMs, among which Itgam, Met and TNF belonged to hub genes after five topological parameters were calculated for genes in the protein-protein interaction network. These hub genes-associated DEMs (mmu-miR-181a, mmu-miR-762) can also interact with six DELs (Gm15832, Gas5, Gm6634, Pvt1, Gm14636 and A330023F24Rik) to constitute the competing endogenous RNA (ceRNA) axes. Furthermore, a co-expression network was constructed based on the co-expression pairs between 44 DELs and 297 DEGs, in which Pvt1 and Bst1 were overlapped with the ceRNA network. Thus, Bst1-associated ceRNA (Pvt1-mmu-miR-181a-Bst1) and co-expression (Pvt-Bst1) axes were also pivotal for MI. Accordingly, Pvt1 may be a crucial lncRNA for modification of cardiac remodeling in the IBZ after MI and may function by acting as a ceRNA for miR-181a to regulate TNF/Met/Itgam/Bst1 or by co-expressing with Bst1.
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Affiliation(s)
- Baihui Liu
- Department of Emergency Medicine, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Yuanjuan Cheng
- Department of Nursing, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Jiakun Tian
- Department of Emergency Medicine, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Li Zhang
- Department of Emergency Medicine, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Xiaoqian Cui
- Department of Emergency Medicine, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
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15
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Sexual dimorphism of miRNA signatures in feto-placental endothelial cells is associated with altered barrier function and actin organization. Clin Sci (Lond) 2020; 134:39-51. [PMID: 31825070 DOI: 10.1042/cs20190379] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 12/06/2019] [Accepted: 12/11/2019] [Indexed: 12/21/2022]
Abstract
Endothelial function and the risk for endothelial dysfunction differ between males and females. Besides the action of estrogen, sex chromosome gene expression and programming effects also provoke this sexual dimorphism. MicroRNAs (miRNAs) have emerged as regulators of endothelial cell function and dysfunction. We here hypothesized distinct miRNA expression patterns in male versus female human endothelial cells that contribute to the functional differences. We used our well-established model of fetal endothelial cells isolated from placenta (fpEC) and analyzed sexual dimorphic miRNA expression and potentially affected biological functions. Next-generation miRNA sequencing of fpEC isolated after pregnancies with male and female neonates identified sex-dependent miRNA expression patterns. Potential biological pathways regulated by the altered set of miRNAs were determined using mirPath and mirSystem softwares, and suggested differences in barrier function and actin organization. The identified pathways were further investigated by monolayer impedance measurements (ECIS) and analysis of F-actin organization (Phalloidin). Nine miRNAs were differentially expressed in fpEC of male versus female neonates. Functional pathways most significantly regulated by these miRNAs included 'Adherens junction', 'ECM receptor interaction' and 'Focal adhesion'. These pathways control monolayer barrier function and may be paralleled by altered cytoskeletal organization. In fact, monolayer impedance was higher in fpEC of male progeny, and F-actin staining revealed more pronounced peripheral stress fibers in male versus female fpEC. Our data highlight that endothelial cell function differs between males and females already in utero, and that altered miRNAs are associated with sex dependent differences in barrier function and actin organization.
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16
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Jusic A, Salgado-Somoza A, Paes AB, Stefanizzi FM, Martínez-Alarcón N, Pinet F, Martelli F, Devaux Y, Robinson EL, Novella S. Approaching Sex Differences in Cardiovascular Non-Coding RNA Research. Int J Mol Sci 2020; 21:E4890. [PMID: 32664454 PMCID: PMC7402336 DOI: 10.3390/ijms21144890] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 12/11/2022] Open
Abstract
Cardiovascular disease (CVD) is the biggest cause of sickness and mortality worldwide in both males and females. Clinical statistics demonstrate clear sex differences in risk, prevalence, mortality rates, and response to treatment for different entities of CVD. The reason for this remains poorly understood. Non-coding RNAs (ncRNAs) are emerging as key mediators and biomarkers of CVD. Similarly, current knowledge on differential regulation, expression, and pathology-associated function of ncRNAs between sexes is minimal. Here, we provide a state-of-the-art overview of what is known on sex differences in ncRNA research in CVD as well as discussing the contributing biological factors to this sex dimorphism including genetic and epigenetic factors and sex hormone regulation of transcription. We then focus on the experimental models of CVD and their use in translational ncRNA research in the cardiovascular field. In particular, we want to highlight the importance of considering sex of the cellular and pre-clinical models in clinical studies in ncRNA research and to carefully consider the appropriate experimental models most applicable to human patient populations. Moreover, we aim to identify sex-specific targets for treatment and diagnosis for the biggest socioeconomic health problem globally.
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Affiliation(s)
- Amela Jusic
- Department of Biology, Faculty of Natural Sciences and Mathematics, University of Tuzla, 75000 Tuzla, Bosnia and Herzegovina;
| | - Antonio Salgado-Somoza
- Cardiovascular Research Unit, Department of Population Health, Luxembourg Institute of Health, L-1445 Strassen, Luxembourg; (A.S.-S.); (F.M.S.); (Y.D.)
| | - Ana B. Paes
- INCLIVA Biomedical Research Institute, Menéndez Pelayo 4 Accesorio, 46010 Valencia, Spain; (A.B.P.); (N.M.-A.)
| | - Francesca Maria Stefanizzi
- Cardiovascular Research Unit, Department of Population Health, Luxembourg Institute of Health, L-1445 Strassen, Luxembourg; (A.S.-S.); (F.M.S.); (Y.D.)
| | - Núria Martínez-Alarcón
- INCLIVA Biomedical Research Institute, Menéndez Pelayo 4 Accesorio, 46010 Valencia, Spain; (A.B.P.); (N.M.-A.)
| | - Florence Pinet
- INSERM, CHU Lille, Institut Pasteur de Lille, University of Lille, U1167 F-59000 Lille, France;
| | - Fabio Martelli
- Molecular Cardiology Laboratory, Policlinico San Donato IRCCS, San Donato Milanese, 20097 Milan, Italy;
| | - Yvan Devaux
- Cardiovascular Research Unit, Department of Population Health, Luxembourg Institute of Health, L-1445 Strassen, Luxembourg; (A.S.-S.); (F.M.S.); (Y.D.)
| | - Emma Louise Robinson
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER Maastricht, The Netherlands;
| | - Susana Novella
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, and INCLIVA Biomedical Research Institute, Menéndez Pelayo 4 Accesorio, 46010 Valencia, Spain
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17
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Xu S, Xie F, Tian L, Fallah S, Babaei F, Manno SHC, Manno FAM, Zhu L, Wong KF, Liang Y, Ramalingam R, Sun L, Wang X, Plumb R, Gethings L, Lam YW, Cheng SH. Estrogen accelerates heart regeneration by promoting the inflammatory response in zebrafish. J Endocrinol 2020; 245:39-51. [PMID: 31977314 PMCID: PMC7040496 DOI: 10.1530/joe-19-0413] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 01/24/2020] [Indexed: 12/27/2022]
Abstract
Sexual differences have been observed in the onset and prognosis of human cardiovascular diseases, but the underlying mechanisms are not clear. Here, we found that zebrafish heart regeneration is faster in females, can be accelerated by estrogen and is suppressed by the estrogen-antagonist tamoxifen. Injuries to the zebrafish heart, but not other tissues, increased plasma estrogen levels and the expression of estrogen receptors, especially esr2a. The resulting endocrine disruption induces the expression of the female-specific protein vitellogenin in male zebrafish. Transcriptomic analyses suggested heart injuries triggered pronounced immune and inflammatory responses in females. These responses, previously shown to elicit heart regeneration, could be enhanced by estrogen treatment in males and reduced by tamoxifen in females. Furthermore, a prior exposure to estrogen preconditioned the zebrafish heart for an accelerated regeneration. Altogether, this study reveals that heart regeneration is modulated by an estrogen-inducible inflammatory response to cardiac injury. These findings elucidate a previously unknown layer of control in zebrafish heart regeneration and provide a new model system for the study of sexual differences in human cardiac repair.
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Affiliation(s)
- Shisan Xu
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Science, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Fangjing Xie
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Science, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Li Tian
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Science, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Samane Fallah
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Science, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Fatemeh Babaei
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Sinai H C Manno
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Science, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Francis A M Manno
- School of Biomedical Engineering, Faculty of Engineering, University of Sydney, Sydney, New South Wales, Australia
| | - Lina Zhu
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Science, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Kin Fung Wong
- Department of Biomedical Engineering, Polytechnic University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Yimin Liang
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Rajkumar Ramalingam
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Lei Sun
- Department of Biomedical Engineering, Polytechnic University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Xin Wang
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Science, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
| | - Robert Plumb
- Waters Technologies Corporation, Milford, Massachusetts, USA
| | - Lee Gethings
- Waters Technologies Corporation, Milford, Massachusetts, USA
| | - Yun Wah Lam
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
- Correspondence should be addressed to Y W Lam or S H Cheng: or
| | - Shuk Han Cheng
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Science, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
- State Key Laboratory of Marine Pollution (SKLMP) at City University of Hong Kong, Hong Kong SAR, People’s Republic of China
- Department of Materials Science and Engineering, College of Science and Engineering, City University of Hong Kong, Hong Kong SAR, People’s Republic of China
- Correspondence should be addressed to Y W Lam or S H Cheng: or
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18
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Tsuji M, Kawasaki T, Matsuda T, Arai T, Gojo S, Takeuchi JK. Correction: Sexual dimorphisms of mRNA and miRNA in human/murine heart disease. PLoS One 2020; 15:e0229750. [PMID: 32084243 PMCID: PMC7034825 DOI: 10.1371/journal.pone.0229750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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19
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Ooi JYY, Bernardo BC. Translational Potential of Non-coding RNAs for Cardiovascular Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1229:343-354. [PMID: 32285423 DOI: 10.1007/978-981-15-1671-9_21] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jenny Y Y Ooi
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Clayton, VIC, Australia
| | - Bianca C Bernardo
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.
- Department of Diabetes, Central Clinical School, Monash University, Clayton, VIC, Australia.
- Department of Paediatrics, University of Melbourne, Melbourne, VIC, Australia.
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20
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Medzikovic L, Aryan L, Eghbali M. Connecting sex differences, estrogen signaling, and microRNAs in cardiac fibrosis. J Mol Med (Berl) 2019; 97:1385-1398. [PMID: 31448389 DOI: 10.1007/s00109-019-01833-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/24/2019] [Accepted: 08/19/2019] [Indexed: 12/16/2022]
Abstract
Sex differences are evident in the pathophysiology of heart failure (HF). Progression of HF is promoted by cardiac fibrosis and no fibrosis-specific therapies are currently available. The fibrotic response is mediated by cardiac fibroblasts (CFs), and a central event is their phenotypic transition to pro-fibrotic myofibroblasts. These myofibroblasts may arise from various cellular origins including resident CFs and epicardial and endothelial cells. Both female subjects in clinical studies and female animals in experimental studies generally present less cardiac fibrosis compared with males. This difference is at least partially considered attributable to the ovarian hormone 17β-estradiol (E2). E2 signals via estrogen receptors to regulate genes are involved in the fibrotic response and myofibroblast transition. Besides protein-coding genes, E2 also regulates transcription of microRNA that modulate cardiac fibrosis. Sex dimorphism, E2, and miRNAs form multi-level regulatory networks in the pathophysiology of cardiac fibrosis, and the mechanism of these networks is not yet fully deciphered. Therefore, this review is aimed at summarizing current knowledge on sex differences, E2, and estrogen receptors in cardiac fibrosis, emphasizing on microRNAs and myofibroblast origins. KEY MESSAGES: • E2 and ERs regulate cardiac fibroblast function. • E2 and ERs may distinctly affect male and female cardiac fibrosis pathophysiology. • Sex, E2, and miRNAs form multi-level regulatory networks in cardiac fibrosis. • Sex-dimorphic and E2-regulated miRNAs affect mesenchymal transition.
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Affiliation(s)
- Lejla Medzikovic
- Department of Anesthesiology, Division of Molecular Medicine, David Geffen School of Medicine at University of California, Los Angeles, BH-550 CHS, Los Angeles, CA, 90095-7115, USA
| | - Laila Aryan
- Department of Anesthesiology, Division of Molecular Medicine, David Geffen School of Medicine at University of California, Los Angeles, BH-550 CHS, Los Angeles, CA, 90095-7115, USA
| | - Mansoureh Eghbali
- Department of Anesthesiology, Division of Molecular Medicine, David Geffen School of Medicine at University of California, Los Angeles, BH-550 CHS, Los Angeles, CA, 90095-7115, USA.
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21
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Lalem T, Devaux Y. Circulating microRNAs to predict heart failure after acute myocardial infarction in women. Clin Biochem 2019; 70:1-7. [DOI: 10.1016/j.clinbiochem.2019.05.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/22/2019] [Accepted: 05/23/2019] [Indexed: 12/31/2022]
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22
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Liu L, Gu T, Bao X, Zheng S, Zhao J, Zhang L. Microarray Profiling of Circular RNA Identifies hsa_circ_0126991 as a Potential Risk Factor for Essential Hypertension. Cytogenet Genome Res 2019; 157:203-212. [PMID: 31108493 DOI: 10.1159/000500063] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2018] [Indexed: 01/18/2023] Open
Abstract
Essential hypertension (EH), a major cause of cardiovascular diseases, is an important public health issue. However, the molecular mechanisms involved in EH remain unknown. Circular RNA (circRNA) is a novel promising biomarker for the disease. The purpose of the present study was to determine the expression of circRNAs in the blood of EH patients and to evaluate the performance of circRNA for early diagnosis of EH. A total of 178 subjects were recruited in the case-control study. Initial screening was done by using the Agilent human circRNA microarray followed by qRT-PCR validation. Finally, miRNAs were combined with circRNAs to create a new early prediction model for EH. The expression level of hsa_circ_0126991 in EH patients was significantly higher in comparison with healthy controls (p < 0.0001). Using the interaction of miR-10a-5p in combination with hsa_circ_0126991 led to a sensitivity of 0.708, a specificity of 0.764, and combined area under the curve of 0.774 (95% CI: 0.705-0.843) for early diagnosis of EH. In summary, the present study uncovered a novel perspective that hyperexpression of hsa_circ_0126991 is correlated with the risk of EH and may serve as a stable biomarker for early diagnosis of EH.
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23
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Xiao Y, Zhang Y, Chen Y, Li J, Zhang Z, Sun Y, Shen H, Zhao Z, Huang Z, Zhang W, Chen W, Shen Z. Inhibition of MicroRNA-9-5p Protects Against Cardiac Remodeling Following Myocardial Infarction in Mice. Hum Gene Ther 2019; 30:286-301. [PMID: 30101604 DOI: 10.1089/hum.2018.059] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Follistatin-like 1 (Fstl1) protects cardiomyocytes from a broad spectrum of pathologic injuries including myocardial infarction (MI). It is worthy of note that although cardiac Fstl1 is elevated in post-MI microenvironment, its cardioprotective role is still restricted to a limited extent considering the frequency and severity of adverse cardiac remodeling following MI. We therefore propose that intrinsic Fstl1-suppressing microRNA (miRNA) may exist in the heart and its neutralization may further facilitate post-MI recovery. Here, miR-9-5p is predicted as one of the potential Fstl1-targeting miRNAs whose expression is decreased in ischemic myocardium and reversely correlated with Fstl1. Luciferase activity assay further validated Fstl1 as a direct target of miR-9-5p. In addition, forced expression of miR-9-5p in H9c2 cells is concurrent with diminished expression of Fstl1 and vice versa. Importantly, transfection of miR-9-5p mimics in hypoxic H9c2 cells exacerbates cardiac cell death, lactate dehydrogenase release, reactive oxygen species accumulation, and malonyldialdehyde concentration. More importantly, in vivo silencing of miR-9-5p by a specific antagomir in a murine acute MI model effectively preserves post-MI heart function with attenuated fibrosis and inflammatory response. Further studies demonstrated that antagomir treatment stabilizes Fstl1 expression as well as blocks cardiac cell death and reactive oxygen species generation in both ischemia-challenged hearts and hypoxia-treated cardiomyoblasts. Finally, cytoprotection against hypoxic challenge by miR-9-5p inhibitor is partially reversed by knockdown of Fstl1, indicating a novel role of miR-9-5p/Fstl1 axis in survival defense against hypoxic challenge. In summary, these findings identified miR-9-5p as a mediator of hypoxic injury in cardiomyoblasts and miR-9-5p suppression prevents cardiac remodeling after acute MI, providing a potential strategy for early treatment against MI.
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Affiliation(s)
- Yimin Xiao
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
- 2 Department of Cardiovascular Surgery, Shanghai Yoda Cardiothoracic Hospital, Shanghai, China
| | - Yanxia Zhang
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Yueqiu Chen
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Jingjing Li
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Zihan Zhang
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Yimin Sun
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Han Shen
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Zhenao Zhao
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Zan Huang
- 3 Jiangsu Province Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agriculture University, Nanjing, China
| | - Wencheng Zhang
- 4 The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China
| | - Weiqian Chen
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Zhenya Shen
- 1 Institute for Cardiovascular Science and Department of Cardiovascular Surgery of the First Affiliated Hospital, Soochow University, Suzhou, China
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24
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Lakhani HV, Khanal T, Gabi A, Yousef G, Alam MB, Sharma D, Aljoudi H, Puri N, Thompson E, Shapiro JI, Sodhi K. Developing a panel of biomarkers and miRNA in patients with myocardial infarction for early intervention strategies of heart failure in West Virginian population. PLoS One 2018; 13:e0205329. [PMID: 30356307 PMCID: PMC6200226 DOI: 10.1371/journal.pone.0205329] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 09/24/2018] [Indexed: 12/30/2022] Open
Abstract
Background Myocardial infarction is the most common cause of heart failure. MI has been intricately linked to ventricular remodeling, subsequently leading to the reduction in the cardiac ejection fraction causing HF. The cumulative line of evidence suggests an important role of several biomarkers in modulating the cardiac vasculature, further contributing towards the progression of post-MI complications. Studies have demonstrated, yet not fully established, that an important biomarker, IL-10, has a causal relationship with MI and associated cardiac dysfunction. Hypothesis This study aims to establish the role of IL-10 as a prognostic marker for the cardiovascular outcomes and to develop a panel of biomarkers and circulating miRNAs that could potentially result in the early detection of HF resulting from MI, allowing for early intervention strategies. Methods and results Blood was withdrawn and echocardiography assessment was performed on a total of 43 patients that were enrolled, within 24 hours of the incidence of MI. Patients were divided in three main groups, based on the ejection fraction measurement from echocardiography: control (n = 14), MI with normal EF (MI+NEF, n = 13) and MI with low EF (MI+LEF, n = 16). Our results showed that TGFβ-1, TNF-α, IL-6 and MMP-9 were upregulated significantly in MI+NEF group and more so in MI+LEF group, as compared to control group (p<0.01). The circulating levels of miR-34a, miR-208b and miR-126 were positively correlated and showed elevated levels in the MI+NEF group, even higher in MI+LEF group, while levels of miR-24 and miR-29a were reduced in MI+NEF, and much lower in MI+LEF, as compared to the control group (p<0.01). Our results also demonstrated a direct correlation of IL-10 with the ejection fraction in patients with MI: IL-10 was elevated in MI+NEF group, however, the levels were significantly low in MI+LEF group suggesting an important role of IL-10 in predicting heart failure. Importantly, our study confirmed the correlation of IL-10 with EF by our follow-up echocardiography assessment that was performed 2 months after the incidence of MI. Conclusion Our results support the clinical application of these serum biomarkers to develop a panel for appropriate prognosis and management of adverse cardiac remodeling and development of heart failure post-myocardial infarction.
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Affiliation(s)
- Hari Vishal Lakhani
- Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Tilak Khanal
- Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Alaa Gabi
- Division of Cardiology, Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - George Yousef
- Division of Cardiology, Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Mian Bilal Alam
- Division of Cardiology, Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Dana Sharma
- Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Haytham Aljoudi
- Division of Cardiology, Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Nitin Puri
- Departments of Biomedical Sciences, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Ellen Thompson
- Division of Cardiology, Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Joseph I. Shapiro
- Department of Internal Medicine, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
| | - Komal Sodhi
- Departments of Surgery and Biomedical Sciences, Marshall University Joan C Edwards School of Medicine, Huntington, WV, United States of America
- * E-mail:
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25
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Pai P, Shibu MA, Chang RL, Yang JJ, Su CC, Lai CH, Liao HE, Viswanadha VP, Kuo WW, Huang CY. ERβ targets ZAK and attenuates cellular hypertrophy via SUMO-1 modification in H9c2 cells. J Cell Biochem 2018; 119:7855-7864. [PMID: 29932238 DOI: 10.1002/jcb.27199] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 05/24/2018] [Indexed: 11/11/2022]
Abstract
Aberrant expression of leucine zipper- and sterile ɑ motif-containing kinase (ZAK) observed in pathological human myocardial tissue is associated with the progression and elevation of hypertrophy. Our previous reports have correlated high levels of estrogen (E2) and abundant estrogen receptor (ER) α with a low incidence of pathological cardiac-hypertrophy and heart failure in the premenopause female population. However, the effect of elevated ERβ expression is not well known yet. Therefore, in this study, we have analyzed the cardioprotective effects and mechanisms of E2 and/or ERβ against ZAK overexpression-induced cellular hypertrophy. We have used transient transfection to overexpress ERβ into the ZAK tet-on H9c2 cells that harbor the doxycycline-inducible ZAK plasmid. The results show that ZAK overexpression in H9c2 cells resulted in hypertrophic effects, which was correlated with the upregulation of p-JNK and p-p38 MAPKs and their downstream transcription factors c-Jun and GATA-4. However, ERβ and E2 with ERβ overexpressions totally suppressed the effects of ZAK overexpression and inhibited the levels of p-JNK, p-p38, c-Jun, and GATA-4 effectively. Our results further reveal that ERβ directly binds with ZAK under normal conditions; however, ZAK overexpression reduced the association of ZAK-ERβ. Interestingly, increase in ERβ and E2 along with ERβ overexpression both enhanced the binding strengths of ERβ and ZAK and reduced the ZAK protein level. ERβ overexpression also suppressed the E3 ligase-casitas B-lineage lymphoma (CBL) and attenuated CBL-phosphoinositide 3-kinase (PI3K) protein association to prevent PI3K protein degradation. Moreover, ERβ and/or E2 blocked ZAK nuclear translocation via the inhibition of small ubiquitin-like modifier (SUMO)-1 modification. Taken together, our results further suggest that ERβ overexpression strongly suppresses ZAK-induced cellular hypertrophy and myocardial damage.
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Affiliation(s)
- Peiying Pai
- Division of Cardiology, China Medical University Hospital, Taichung, Taiwan
| | | | - Ruey-Lin Chang
- College of Chinese Medicine, School of Post-Baccalaureate Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Jaw-Ji Yang
- Institute of Medicine, School of Dentistry, Chung-Shan Medical University, Taichung, Taiwan
| | - Chia-Chi Su
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Chao-Hung Lai
- Division of Cardiology, Department of Internal Medicine, Taichung Armed Force General Hospital, Taichung, Taiwan
| | - Hung-En Liao
- Department of Healthcare Administration, Asia University, Taichung, Taiwan
| | | | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chih-Yang Huang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,Department of Biotechnology, Asia University, Taichung, Taiwan.,Graduate Institute of Chinese Medical Science, China Medical University, Taichung, Taiwan
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26
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Trexler CL, Odell AT, Jeong MY, Dowell RD, Leinwand LA. Transcriptome and Functional Profile of Cardiac Myocytes Is Influenced by Biological Sex. ACTA ACUST UNITED AC 2018; 10:CIRCGENETICS.117.001770. [PMID: 29030402 PMCID: PMC5679409 DOI: 10.1161/circgenetics.117.001770] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 09/05/2017] [Indexed: 12/31/2022]
Abstract
BACKGROUND Although cardiovascular disease is the primary killer of women in the United States, women and female animals have traditionally been omitted from research studies. In reports that do include both sexes, significant sexual dimorphisms have been demonstrated in development, presentation, and outcome of cardiovascular disease. However, there is little understanding of the mechanisms underlying these observations. A more thorough understanding of sex-specific cardiovascular differences both at baseline and in disease is required to effectively consider and treat all patients with cardiovascular disease. METHODS AND RESULTS We analyzed contractility in the whole rat heart, adult rat ventricular myocytes (ARVMs), and myofibrils from both sexes of rats and observed functional sex differences at all levels. Hearts and ARVMs from female rats displayed greater fractional shortening than males, and female ARVMs and myofibrils took longer to relax. To define factors underlying these functional differences, we performed an RNA sequencing experiment on ARVMs from male and female rats and identified ≈600 genes were expressed in a sexually dimorphic manner. Further analysis revealed sex-specific enrichment of signaling pathways and key regulators. At the protein level, female ARVMs exhibited higher protein kinase A activity, consistent with pathway enrichment identified through RNA sequencing. In addition, activating the protein kinase A pathway diminished the contractile sexual dimorphisms previously observed. CONCLUSIONS These data support the notion that sex-specific gene expression differences at baseline influence cardiac function, particularly through the protein kinase A pathway, and could potentially be responsible for differences in cardiovascular disease presentation and outcomes.
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Affiliation(s)
- Christa L Trexler
- From the Department of Molecular, Cellular, and Developmental Biology, BioFrontiers Institute, University of Colorado at Boulder (C.L.T., A.T.O., R.D.D., L.A.L.); and Division of Cardiology, School of Medicine, Anschutz Medical Campus, University of Colorado, Aurora (M.Y.J.)
| | - Aaron T Odell
- From the Department of Molecular, Cellular, and Developmental Biology, BioFrontiers Institute, University of Colorado at Boulder (C.L.T., A.T.O., R.D.D., L.A.L.); and Division of Cardiology, School of Medicine, Anschutz Medical Campus, University of Colorado, Aurora (M.Y.J.)
| | - Mark Y Jeong
- From the Department of Molecular, Cellular, and Developmental Biology, BioFrontiers Institute, University of Colorado at Boulder (C.L.T., A.T.O., R.D.D., L.A.L.); and Division of Cardiology, School of Medicine, Anschutz Medical Campus, University of Colorado, Aurora (M.Y.J.)
| | - Robin D Dowell
- From the Department of Molecular, Cellular, and Developmental Biology, BioFrontiers Institute, University of Colorado at Boulder (C.L.T., A.T.O., R.D.D., L.A.L.); and Division of Cardiology, School of Medicine, Anschutz Medical Campus, University of Colorado, Aurora (M.Y.J.)
| | - Leslie A Leinwand
- From the Department of Molecular, Cellular, and Developmental Biology, BioFrontiers Institute, University of Colorado at Boulder (C.L.T., A.T.O., R.D.D., L.A.L.); and Division of Cardiology, School of Medicine, Anschutz Medical Campus, University of Colorado, Aurora (M.Y.J.).
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