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Yang ZJ, Guo CL, Gong YX, Li L, Wang LL, Liu HM, Cao JM, Lu ZY. Dapagliflozin Suppresses Isoprenaline-Induced Cardiac Hypertrophy Through Inhibition of Mitochondrial Fission. J Cardiovasc Pharmacol 2024; 83:193-204. [PMID: 38030139 PMCID: PMC10842662 DOI: 10.1097/fjc.0000000000001518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 11/11/2023] [Indexed: 12/01/2023]
Abstract
ABSTRACT Dapagliflozin (DAPA) is a novel oral hypoglycemic agent, and there is increasing evidence that DAPA has a protective effect against cardiovascular disease. The study aimed to investigate how DAPA inhibits cardiac hypertrophy and explore its potential mechanisms. By continuously infusing isoprenaline (ISO) for 2 weeks using a subcutaneous osmotic pump, a cardiac hypertrophic model was established in male C57BL/6 mice. On day 14 after surgery, echocardiography showed that left ventricle mass (LV mass), interventricular septum, left ventricle posterior wall diastole, and left ventricular posterior wall systole were significantly increased, and ejection fraction was decreased compared with control mice. Masson and Wheat Germ Agglutinin staining indicated enhanced myocardial fibrosis and cell morphology compared with control mice. Importantly, these effects were inhibited by DAPA treatment in ISO-induced mice. In H9c2 cells and neonatal rat cardiomyocytes, we found that mitochondrial fragmentation and mitochondrial oxidative stress were significantly augmented in the ISO-induced group. However, DAPA rescued the cardiac hypertrophy in ISO-induced H9c2 cells and neonatal rat cardiomyocytes. Mechanistically, we found that DAPA restored the PIM1 activity in ISO-induced H9c2 cells and subsequent increase in dynamin-associated protein 1 (Drp1) phosphorylation at S616 and decrease in Drp1 phosphorylation at S637 in ISO-induced cells. We found that DAPA mitigated ISO-induced cardiac hypertrophy by suppressing Drp1-mediated mitochondrial fission in a PIM1-dependent fashion.
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Affiliation(s)
- Zhuo-Jing Yang
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Department of Physiology, Shanxi Medical University, Taiyuan, China
- Department of Nursing, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Chun-Ling Guo
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Yu-Xin Gong
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Department of Physiology, Shanxi Medical University, Taiyuan, China
- Department of Hematology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Long Li
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Li-li Wang
- Department of Nursing, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Hui-Min Liu
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Department of Physiology, Shanxi Medical University, Taiyuan, China
- Department of Hematology, The Second Hospital of Shanxi Medical University, Taiyuan, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; and
| | - Ji-Min Cao
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Zhao-Yang Lu
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Department of Physiology, Shanxi Medical University, Taiyuan, China
- Department of Cardiology, The Second Hospital of Shanxi Medical University, Taiyuan, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Shaw Hospital, Zhejiang University, Hangzhou, China
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Salimi H, Haghighi AH, Ababzadeh S, Marefati H, Abbasian S, Pond AL, Gentil P. Aerobic training and vitamin E administration ameliorates cardiac apoptosis markers in rats exposed to methamphetamine. Eur J Transl Myol 2023; 33:12112. [PMID: 38112583 PMCID: PMC10811645 DOI: 10.4081/ejtm.2023.12112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 12/21/2023] Open
Abstract
Methamphetamine (MA) abuse is related to risks to the cardiovascular system. The present study aimed to compare the effects of moderate-intensity aerobic training (MIAT) and vitamin E (Vit.E) supplementation on markers of cardiac apoptosis following MA exposure. Fifty-four rats were randomly divided into six groups. CON group did not receive MA, while the others received MA alone or in combination with MIAT, Vit. E, MIAT+Vit E, or paraffin (PAR). These groups received MA incrementally for 23 consecutive days. Vit.E and MIAT+Vit.E groups received vitamin E three times a week for six weeks. MIAT and MIAT+Vit.E groups exercised for 25-40 min. Immunohistochemical and gene expression analyses were performed on the heart tissues. Bax and TGF-β expression was significantly higher, while Bcl-2 and VEGF expression was significantly lower in the MA and PAR groups than in the other groups (p < 0.05). Bcl-2 and VEGF expression was higher, and Bax and TGF-β expression was significantly lower in the MIAT and MIAT+Vit.E groups than in the other groups (p < 0.05). In Vit.E treated groups, Bax and TGF-β expression were lower, and VEGF was higher than that in the MA and PAR groups, but higher than those in the CON, MIAT and MIAT+Vit.E groups. MA increased the expression of Bax and TGF-β, and decreased the expression of Bcl-2 and VEGF, suggesting increased cardiac apoptosis. In contrast, MIAT and Vit.E decreased the expression of Bax and TGF-β, suggesting a reduction in cardiac apoptosis induced by MA.
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Affiliation(s)
- Hamidreza Salimi
- Department of Exercise Physiology, Faculty of Sports Sciences, Hakim Sabzevari University, Sabzevar.
| | - Amir Hossein Haghighi
- Department of Exercise Physiology, Faculty of Sport Sciences, Hakim Sabzevari University, Sabzevar.
| | - Shima Ababzadeh
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran; Department of Tissue Engineering and Regenerative Medicine, Faculty of Medical Sciences, Qom University of Medical Sciences, Qom.
| | - Hamid Marefati
- Department of Exercise Physiology, Faculty of Sports Sciences, Hakim Sabzevari University, Sabzevar.
| | - Sadegh Abbasian
- Department of Sport Sciences, Khavaran Institute of Higher Education, Mashhad.
| | - Amber L Pond
- Anatomy, Southern Illinois University School of Medicine, Carbondale, IL.
| | - Paulo Gentil
- Hypertension League, Federal University of Goias, Brazil; College of Physical Education and Dance, Federal University of Goias.
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Chen W, Zhang Y, Wang Z, Tan M, Lin J, Qian X, Li H, Jiang T. Dapagliflozin alleviates myocardial ischemia/reperfusion injury by reducing ferroptosis via MAPK signaling inhibition. Front Pharmacol 2023; 14:1078205. [PMID: 36891270 PMCID: PMC9986553 DOI: 10.3389/fphar.2023.1078205] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 02/08/2023] [Indexed: 02/22/2023] Open
Abstract
Reperfusion is essential for ischemic myocardium but paradoxically leads to myocardial damage that worsens cardiac functions. Ferroptosis often occurs in cardiomyocytes during ischemia/reperfusion (I/R). The SGLT2 inhibitor dapagliflozin (DAPA) exerts cardioprotective effects independent of hypoglycemia. Here, we investigated the effect and potential mechanism of DAPA against myocardial ischemia/reperfusion injury (MIRI)-related ferroptosis using the MIRI rat model and hypoxia/reoxygenation (H/R)-induced H9C2 cardiomyocytes. Our results show that DAPA significantly ameliorated myocardial injury, reperfusion arrhythmia, and cardiac function, as evidenced by alleviated ST-segment elevation, ameliorated cardiac injury biomarkers including cTnT and BNP and pathological features, prevented H/R-triggered cell viability loss in vitro. In vitro and in vivo experiments showed that DAPA inhibited ferroptosis by upregulating the SLC7A11/GPX4 axis and FTH and inhibiting ACSL4. DAPA notably mitigated oxidative stress, lipid peroxidation, ferrous iron overload, and reduced ferroptosis. Subsequently, network pharmacology and bioinformatics analysis suggested that the MAPK signaling pathway was a potential target of DAPA and a common mechanism of MIRI and ferroptosis. DAPA treatment significantly reduced MAPK phosphorylation in vitro and in vivo, suggesting that DAPA might protect against MIRI by reducing ferroptosis through the MAPK signaling pathway.
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Affiliation(s)
- Weixiang Chen
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yue Zhang
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zuoxiang Wang
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Mingyue Tan
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jia Lin
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaodong Qian
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hongxia Li
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Tingbo Jiang
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
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