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Brosinsky P, Heger J, Sydykov A, Weiss A, Klatt S, Czech L, Kraut S, Schermuly RT, Schlüter KD, Schulz R. Does Cell-Type-Specific Silencing of Monoamine Oxidase B Interfere with the Development of Right Ventricle (RV) Hypertrophy or Right Ventricle Failure in Pulmonary Hypertension? Int J Mol Sci 2024; 25:6212. [PMID: 38892401 PMCID: PMC11172614 DOI: 10.3390/ijms25116212] [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: 04/16/2024] [Revised: 05/28/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
Increased mitochondrial reactive oxygen species (ROS) formation is important for the development of right ventricular (RV) hypertrophy (RVH) and failure (RVF) during pulmonary hypertension (PH). ROS molecules are produced in different compartments within the cell, with mitochondria known to produce the strongest ROS signal. Among ROS-forming mitochondrial proteins, outer-mitochondrial-membrane-located monoamine oxidases (MAOs, type A or B) are capable of degrading neurotransmitters, thereby producing large amounts of ROS. In mice, MAO-B is the dominant isoform, which is present in almost all cell types within the heart. We analyzed the effect of an inducible cardiomyocyte-specific knockout of MAO-B (cmMAO-B KO) for the development of RVH and RVF in mice. Right ventricular hypertrophy was induced by pulmonary artery banding (PAB). RV dimensions and function were measured through echocardiography. ROS production (dihydroethidium staining), protein kinase activity (PamStation device), and systemic hemodynamics (in vivo catheterization) were assessed. A significant decrease in ROS formation was measured in cmMAO-B KO mice during PAB compared to Cre-negative littermates, which was associated with reduced activity of protein kinases involved in hypertrophic growth. In contrast to littermates in which the RV was dilated and hypertrophied following PAB, RV dimensions were unaffected in response to PAB in cmMAO-B KO mice, and no decline in RV systolic function otherwise seen in littermates during PAB was measured in cmMAO-B KO mice. In conclusion, cmMAO-B KO mice are protected against RV dilatation, hypertrophy, and dysfunction following RV pressure overload compared to littermates. These results support the hypothesis that cmMAO-B is a key player in causing RV hypertrophy and failure during PH.
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MESH Headings
- Animals
- Male
- Mice
- Disease Models, Animal
- Heart Failure/metabolism
- Heart Failure/etiology
- Heart Failure/genetics
- Heart Failure/pathology
- Heart Ventricles/pathology
- Heart Ventricles/metabolism
- Hypertension, Pulmonary/genetics
- Hypertension, Pulmonary/etiology
- Hypertension, Pulmonary/metabolism
- Hypertension, Pulmonary/pathology
- Hypertrophy, Right Ventricular/metabolism
- Hypertrophy, Right Ventricular/genetics
- Hypertrophy, Right Ventricular/etiology
- Hypertrophy, Right Ventricular/pathology
- Mice, Knockout
- Monoamine Oxidase/genetics
- Monoamine Oxidase/metabolism
- Monoamine Oxidase/deficiency
- Myocytes, Cardiac/metabolism
- Myocytes, Cardiac/pathology
- Reactive Oxygen Species/metabolism
- Ventricular Dysfunction, Right/metabolism
- Ventricular Dysfunction, Right/genetics
- Ventricular Dysfunction, Right/etiology
- Ventricular Dysfunction, Right/pathology
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Affiliation(s)
- Paulin Brosinsky
- Physiologisches Institut, Justus-Liebig-Universität, 35392 Gießen, Germany; (J.H.); (L.C.); (K.-D.S.); (R.S.)
| | - Jacqueline Heger
- Physiologisches Institut, Justus-Liebig-Universität, 35392 Gießen, Germany; (J.H.); (L.C.); (K.-D.S.); (R.S.)
| | - Akylbek Sydykov
- Excellence Cluster Cardiopulmonary System (ECCPS), Justus-Liebig-Universität, 35392 Gießen, Germany; (A.S.); (A.W.); (S.K.); (R.T.S.)
| | - Astrid Weiss
- Excellence Cluster Cardiopulmonary System (ECCPS), Justus-Liebig-Universität, 35392 Gießen, Germany; (A.S.); (A.W.); (S.K.); (R.T.S.)
| | - Stephan Klatt
- Vascular Research Centre, Goethe Universität, 60590 Frankfurt, Germany;
| | - Laureen Czech
- Physiologisches Institut, Justus-Liebig-Universität, 35392 Gießen, Germany; (J.H.); (L.C.); (K.-D.S.); (R.S.)
| | - Simone Kraut
- Excellence Cluster Cardiopulmonary System (ECCPS), Justus-Liebig-Universität, 35392 Gießen, Germany; (A.S.); (A.W.); (S.K.); (R.T.S.)
| | - Ralph Theo Schermuly
- Excellence Cluster Cardiopulmonary System (ECCPS), Justus-Liebig-Universität, 35392 Gießen, Germany; (A.S.); (A.W.); (S.K.); (R.T.S.)
| | - Klaus-Dieter Schlüter
- Physiologisches Institut, Justus-Liebig-Universität, 35392 Gießen, Germany; (J.H.); (L.C.); (K.-D.S.); (R.S.)
| | - Rainer Schulz
- Physiologisches Institut, Justus-Liebig-Universität, 35392 Gießen, Germany; (J.H.); (L.C.); (K.-D.S.); (R.S.)
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Castro CFG, Nardiello C, Hadzic S, Kojonazarov B, Kraut S, Gierhardt M, Schäffer J, Bednorz M, Quanz K, Heger J, Korfei M, Wilhelm J, Hecker M, Bartkuhn M, Arnhold S, Guenther A, Seeger W, Schulz R, Weissmann N, Sommer N, Pak O. The Role of the Redox Enzyme p66Shc in Biological Aging of the Lung. Aging Dis 2024; 15:911-926. [PMID: 37548932 PMCID: PMC10917546 DOI: 10.14336/ad.2023.0715] [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: 03/27/2023] [Accepted: 07/15/2023] [Indexed: 08/08/2023] Open
Abstract
The mitochondrial adaptor protein p66Shc has been suggested to control life span in mice via the release of hydrogen peroxide. However, the role of p66Shc in lung aging remains unsolved. Thus, we investigated the effects of p66Shc-/- on the aging of the lung and pulmonary circulation. In vivo lung and cardiac characteristics were investigated in p66Shc-/- and wild type (WT) mice at 3, 12, and 24 months of age by lung function measurements, micro-computed tomography (µCT), and echocardiography. Alveolar number and muscularization of small pulmonary arteries were measured by stereology and vascular morphometry, respectively. Protein and mRNA levels of senescent markers were measured by western blot and PCR, respectively. Lung function declined similarly in WT and p66Shc-/- mice during aging. However, µCT analyses and stereology showed slightly enhanced signs of aging-related parameters in p66Shc-/- mice, such as a decline of alveolar density. Accordingly, p66Shc-/- mice showed higher protein expression of the senescence marker p21 in lung homogenate compared to WT mice of the corresponding age. Pulmonary vascular remodeling was increased during aging, but aged p66Shc-/- mice showed similar muscularization of pulmonary vessels and hemodynamics like WT mice. In the heart, p66Shc-/- prevented the deterioration of right ventricular (RV) function but promoted the decline of left ventricular (LV) function during aging. p66Shc-/- affects the aging process of the lung and the heart differently. While p66Shc-/- slightly accelerates lung aging and deteriorates LV function in aged mice, it seems to exert protective effects on RV function during aging.
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Affiliation(s)
- Claudia F. Garcia Castro
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Claudio Nardiello
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Stefan Hadzic
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Baktybek Kojonazarov
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Institute for Lung Health (ILH), Giessen, Germany.
| | - Simone Kraut
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Mareike Gierhardt
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA), CONICET - Partner Institute of the Max Planck Society, Buenos Aires, Argentina.
- Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
| | - Julia Schäffer
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Mariola Bednorz
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Karin Quanz
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Jacqueline Heger
- Institute of Physiology, Justus-Liebig University of Giessen, Giessen, Germany.
| | - Martina Korfei
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Jochen Wilhelm
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Institute for Lung Health (ILH), Giessen, Germany.
| | - Matthias Hecker
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Marek Bartkuhn
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Institute for Lung Health (ILH), Giessen, Germany.
| | - Stefan Arnhold
- Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig University of Giessen, Giessen, Germany.
| | - Andreas Guenther
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- European IPF Registry & Biobank (eurIPFreg), Giessen, Germany.
- Agaplesion Evangelisches Krankenhaus Mittelhessen, Giessen, Germany
| | - Werner Seeger
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
- Institute for Lung Health (ILH), Giessen, Germany.
| | - Rainer Schulz
- Institute of Physiology, Justus-Liebig University of Giessen, Giessen, Germany.
| | - Norbert Weissmann
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Natascha Sommer
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Oleg Pak
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
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Atefipour N, Dianat M, Badavi M, Radan M, Mard SA. Rosmarinic acid ameliorates the complications of monocrotaline-induced right ventricular hypertrophy on the left ventricle: Investigating the signaling pathway of Wnt/β-catenin in the heart. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2024; 27:841-849. [PMID: 38800027 PMCID: PMC11127087 DOI: 10.22038/ijbms.2024.75201.16301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/06/2024] [Indexed: 05/29/2024]
Abstract
Objectives Right ventricular hypertrophy (RVH) often results in failure of the right ventricle or even the left ventricle. Rosmarinic acid (RA), a natural polyphenol, is commonly found in Boraginaceae species and some species of ferns and hornworts. This study looked at how RA affects oxidative stress and left ventricular hemodynamic functions as well as RVH in monocrotaline (MCT) induced RVH model rats. Materials and Methods To cause RVH, MCT (60 mg/kg) was intraperitoneally (IP) injected. Rats were given saline or RA (10, 15, and 30 mg/kg, gavage, over 21 days). In anesthetized rats, the lead II electrocardiogram was recorded. The hemodynamic functions of the isolated heart were measured using the Langendorff apparatus (at constant pressure). Investigations were made into the right ventricular hypertrophy index (RVHI), the activities of superoxide dismutase, catalase, glutathione, and Wnt and β-catenin gene expressions in the left ventricle. H&E staining was used. Results A significant decline in electrocardiogram parameters and anti-oxidant enzyme activities, an increase in QTc (Q-T corrected) intervals, MDA (Malondialdehyde), RVHI, and Wnt/β-catenin gene expression, and also significant changes in the hemodynamic parameters were demonstrated in the MCT group. RA improved the above-mentioned factors. Conclusion According to the findings, RA may act as a cardioprotective agent against cardiovascular complications brought on by RVH due to its capacity to boost the activity of cardiac anti-oxidant enzymes and decrease the expression of genes involved in vascular calcification.
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Affiliation(s)
- Narges Atefipour
- Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mahin Dianat
- Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Persian Gulf Physiology Research Center, Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Badavi
- Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Persian Gulf Physiology Research Center, Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Maryam Radan
- Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Persian Gulf Physiology Research Center, Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyyed Ali Mard
- Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Persian Gulf Physiology Research Center, Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Hou Y, Yuan P, Fu Y, Zhang Q, Gao L, Wei Y, Zheng X, Feng W. Geniposide from Gardenia jasminoides var. radicans Makino Attenuates Myocardial Injury in Spontaneously Hypertensive Rats via Regulating Apoptotic and Energy Metabolism Signalling Pathway. DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:949-962. [PMID: 33688169 PMCID: PMC7937395 DOI: 10.2147/dddt.s292107] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 02/10/2021] [Indexed: 12/15/2022]
Abstract
Introduction Hypertension is closely related to myocardial injury. Long-term hypertension can cause myocardial injury. Therefore, it is very important to find drugs to treat myocardial injury caused by hypertension. The aim of present study is to investigate the effects and mechanisms of geniposide on myocardial injuries in spontaneously hypertensive rats (SHR) and H9c2 cells induced by NaCl solution. Materials and Methods Male Wistar-Kyoto (WKY) and SHR rats were given different doses of geniposide (25 mg/kg/d or 50 mg/kg/d) or distilled water for three consecutive weeks. Meanwhile, an H9c2 cell line-injury model was established using a solution of 150 µmol/L NaCl for 8 h. The cardiac function and related indexes of rats were detected. Results The results showed that geniposide decreased the levels of COI and COIII, which promoted the phosphorylation of AMPK (p-AMPK) and enhanced the energy metabolism pathway. Geniposide improved myocardial apoptosis by regulating apoptotic proteins (p38, BAX and Bcl-2). Finally, heart function was regulated, and the markers of myocardial injury were decreased. Geniposide increased the viability of H9c2 cells treated with the NaCl solution and decreased the rate of apoptosis by regulating the levels of apoptotic proteins. Geniposide could activate energy metabolism signalling pathway (AMPK/SirT1/FOXO1) and reduce H9c2 cell apoptosis. Conclusion Our results showed that the mechanisms by which geniposide improves myocardial injury in SHR may be through regulating the energy metabolism signalling pathway (AMPK/SirT1/FOXO1) and improving myocardial apoptosis by regulating apoptotic proteins.
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Affiliation(s)
- Ying Hou
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Peipei Yuan
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Yang Fu
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Qi Zhang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Liyuan Gao
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Yaxin Wei
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Xiaoke Zheng
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China.,Engineering and Technology Center for Chinese Medicine Development of Henan Province, Henan Science and Technology Department, Zhengzhou, 450046, People's Republic of China
| | - Weisheng Feng
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China.,Engineering and Technology Center for Chinese Medicine Development of Henan Province, Henan Science and Technology Department, Zhengzhou, 450046, People's Republic of China
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