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Xie Z, Yang C, Xu T. Hesperetin attenuates LPS-induced the inflammatory response and apoptosis of H9c2 by activating the AMPK/P53 signaling pathway. Immun Inflamm Dis 2023; 11:e973. [PMID: 37584301 PMCID: PMC10413818 DOI: 10.1002/iid3.973] [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: 02/12/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/17/2023] Open
Abstract
INTRODUCTION Hesperetin (HES), whose main pharmacological effects are anti-inflammatory and cardioprotective properties. In our study, we investigated the role of HES in lipopolysaccharide (LPS)-induced inflammation and apoptosis in H9c2 cells. METHODS Cell viability was assessed through MTT assay. Tumor necrosis factor (TNF)-α and interleukin (IL)-β expression were quantified through RT-qPCR assay. Secondly, the apoptosis rate was assessed by Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling assay. Finally, B-cell lymphoma 2 (Bcl-2)- associated X protein (Bax), adenosine monophosphate-activated protein kinase (AMPK), and P53 expression were quantified through western blot assay. RESULTS Our results demonstrated that LPS stimulation decreased the cell viability, increased IL-1β and TNF-α expression in H9c2 cells. However, HES treatment significantly increased the cell viability, decreased IL-1β and TNF-α expression in LPS-induced H9c2 cells. In addition, HES significantly increased the phosphorylation level of AMPK. Meanwhile, HES prevented against LPS-mediated the P53 and Bax protein upregulation, and Bcl-2 protein downregulation in H9c2 cells. More interestingly, compound C (an AMPK inhibitor) treatment eliminated the protective effects of HES. CONCLUSION Our findings revealed that HES attenuated the LPS-mediated inflammation and apoptosis of H9c2 cells by activating the AMPK/P53 signaling pathway, suggesting that HES may be a potential cardioprotective agent.
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Affiliation(s)
- Zan Xie
- Department of Cardiologythe Affiliated Yantai Yuhuangding Hospital of Qingdao UniversityYantaiShandongChina
| | - Chunxia Yang
- Department of Cardiologythe Affiliated Yantai Yuhuangding Hospital of Qingdao UniversityYantaiShandongChina
| | - Tingting Xu
- Department of Cardiologythe Affiliated Yantai Yuhuangding Hospital of Qingdao UniversityYantaiShandongChina
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MiR-702-3p inhibits the inflammatory injury in septic H9c2 cells by regulating NOD1. Transpl Immunol 2021; 70:101493. [PMID: 34774740 DOI: 10.1016/j.trim.2021.101493] [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: 08/09/2021] [Revised: 10/27/2021] [Accepted: 11/06/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Cardiac insufficiency is a common complication of sepsis and septic shock and is the most common cause of death in critically ill patients. Recent studies have found that microRNAs (miRNAs) play a potential role in sepsis as markers, but little is known about their functional effects on sepsis-induced cardiomyopathy (SIC). OBJECTIVE This study is designed to explore the possible role and underlying mechanisms of miR-702-3p in septic cardiomyopathy. METHODS As expected, H9c2 cells were induced with lipopolysaccharide (LPS) to construct the model of septic cardiomyopathy. The expression of miR-702-3p was detected by qRT-PCR assay and those of IL-1β, IL-6 and TNF-α by ELISA assay. The viability, proliferation and apoptosis of LPS-treated H9c2 cells were determined by CCK-8, EdU, flow cytometry and western blot assays. Moreover, Nucleotide-binding oligomerization domain-containing protein 1 (NOD1) was predicted and confirmed as a direct target of miR-702-3p by TargetScan, miRwalk and miRDB prediction and dual-luciferase reporter gene assays. RESULTS While LPS can weaken the viability of H9c2 cells, miR-702-3p enhances that of LPS-treated H9c2 cells by inhibit the expressions of TNF-α, IL-6, IL-1β. We found NOD1 is a target gene of miR-702-3p, and over-expression of NOD1 restores the inhibitory effects of miR-702-3p on the LPS-treated H9c2 cells. CONCLUSION MiR-702-3p played an important role in the pathogenesis of sepsis cardiomyopathy via targeting NOD1, suggesting that miR-702-3p may be a potential new target for the treatment of SIC.
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Giridharan VV, Karupppagounder V, Arumugam S, Nakamura Y, Guha A, Barichello T, Quevedo J, Watanabe K, Konishi T, Thandavarayan RA. 3,4-Dihydroxybenzalacetone (DBL) Prevents Aging-Induced Myocardial Changes in Senescence-Accelerated Mouse-Prone 8 (SAMP8) Mice. Cells 2020; 9:cells9030597. [PMID: 32138157 PMCID: PMC7140466 DOI: 10.3390/cells9030597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 02/27/2020] [Accepted: 02/27/2020] [Indexed: 12/02/2022] Open
Abstract
Aging is a predominant risk factor for the development and progression of cardiovascular complications. Physiologically and anatomically, the heart undergoes numerous changes that result in poor cardiac function in the elderly population. Recently, several studies have provided promising results, confirming the ability of the senescence-accelerated mouse-prone 8 (SAMP8) model to accurately model age-related cardiovascular alterations. In this study, using a murine model of senescence, SAMP8, we aimed to investigate the effect of 3,4-dihydroxybenzalacetone (DBL), a catechol-containing phenylpropanoid derivative isolated from Inonotus obliquus (Chaga), on cardiac aging. DBL was administered at the doses of 10 mg/kg and 20 mg/kg by oral gavage to SAMP8 mice to examine aging-mediated cardiac changes, such as oxidative DNA damage, oxygen radical antioxidant capacity (ORAC) value, fibrosis, inflammation, and apoptosis. The treatment with DBL at both doses significantly reduced aging-mediated oxidative DNA damage, and simultaneously increased the ORAC value in the SAMP8 assay. Cardiac fibrosis was assessed with Azan-Mallory staining, and the number of cardiac remodeling markers was found to be significantly reduced after the treatment with DBL. We also observed a decrease in cardiomyocyte apoptosis as measured by the terminal transferase-mediated dUTP nick end labeling (TUNEL) staining method and the caspase-3 levels in SAMP8 mice compared with senescence-resistant control (SAMR1) mice. The findings from this study suggest that DBL has a potentially beneficial effect on aging-mediated myocardial alterations. Further studies are warranted to confirm the promising potential of this catechol compound against aging-associated myocardial dysfunction.
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Affiliation(s)
- Vijayasree V. Giridharan
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA; (V.V.G.); (T.B.); (J.Q.)
- Faculty of Applied Life Sciences, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences Niigata, Niigata 956-8603, Japan;
| | - Vengadeshprabhu Karupppagounder
- Department of Orthopedics and Rehabilitation, Penn State College of Medicine, 500 University Drive, Hershey, PA 17033, USA;
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha ku, Niigata 956-8603, Japan; (S.A.); (K.W.)
| | - Somasundaram Arumugam
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha ku, Niigata 956-8603, Japan; (S.A.); (K.W.)
- National Institute of Pharmaceutical Education and Research (NIPER), Jadavpur, Kolkata, West Bengal 700032, India
| | - Yutaka Nakamura
- Faculty of Applied Life Sciences, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences Niigata, Niigata 956-8603, Japan;
| | - Ashrith Guha
- Department of Cardiology, Houston Methodist Hospital, Houston, TX 77030, USA;
| | - Tatiana Barichello
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA; (V.V.G.); (T.B.); (J.Q.)
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA
- Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth, Graduate School of Biomedical Sciences, Houston, TX 77030, USA
| | - Joao Quevedo
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA; (V.V.G.); (T.B.); (J.Q.)
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA
- Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth, Graduate School of Biomedical Sciences, Houston, TX 77030, USA
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma 88800-000, SC, Brazil
| | - Kenichi Watanabe
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha ku, Niigata 956-8603, Japan; (S.A.); (K.W.)
- Department of Laboratory Medicine and Clinical Epidemiology for Prevention of Noncommunicable Diseases, Niigata University Graduate School of Medical and Dental Sciences, 757, Ichibancho, Asahimachidori, Chuo ku, Niigata City 951-8510, Japan
| | - Tetsuya Konishi
- Niigata University of Pharmacy & Applied Life Sciences (NUPALS), LIAISON R/D Center, Niigata 956-8603, Japan
- Correspondence: (T.K.); (R.A.T.); Tel.: 713-363-8080 (R.A.T.)
| | - Rajarajan A. Thandavarayan
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha ku, Niigata 956-8603, Japan; (S.A.); (K.W.)
- Department of Cardiology, Houston Methodist Hospital, Houston, TX 77030, USA;
- Correspondence: (T.K.); (R.A.T.); Tel.: 713-363-8080 (R.A.T.)
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Zeng N, Huang R, Li N, Jiang H, Li R, Wang F, Chen W, Xia M, Wang Q. MiR-451a attenuates free fatty acids-mediated hepatocyte steatosis by targeting the thyroid hormone responsive spot 14 gene. Mol Cell Endocrinol 2018; 474:260-271. [PMID: 29604329 DOI: 10.1016/j.mce.2018.03.016] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 03/27/2018] [Accepted: 03/28/2018] [Indexed: 02/06/2023]
Abstract
The thyroid hormone responsive spot 14 (THRSP) gene is a de novo lipogenesis-related gene that plays a significant role in the initiation and development of nonalcoholic fatty liver disease (NAFLD). Several previous studies had shown that endogenous and environmental factors could regulate the expression of THRSP. The role of microRNAs (miRNAs), however, in controlling THRSP expression has not been investigated. In this study, we first constructed the hepatic steatosis cell model by using a mixture of free fatty acids (FFAs; oleate/palmitate, 2:1 ratio) to treat and demonstrate the promotive role of THRSP in lipid accumulation in hepatic cells. By analyzing the photoactivatable ribonucleoside-enhanced crosslinking and immunoprecipitation (PAR-CLIP) database and performing a luciferase reporter assay, we confirmed that microRNA-451a specifically binds to mouse and human THRSP 3'UTR and inhibits its activity. Overexpression of miR-451a efficiently reduced THRSP mRNA and protein expression as well as triglyceride (TG) accumulation in cultured hepatic cells (AML12 and HepG2). Moreover, overexpression of miR-451a significantly decreases TG accumulation in the livers of mice injected with an miR-451a agomir. All these results demonstrated that miR-451a might participate in the FFA-induced hepatic steatosis by regulating the expression of the THRSP gene which represents a new potential target for NAFLD therapy.
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Affiliation(s)
- Ni Zeng
- Faculty of Preventive Medicine, A Key Laboratory of Guangzhou Environmental Pollution and Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Rong Huang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health and Department of Nutrition, School of Public Health, Sun Yat-sen University Guangzhou, 510080, China
| | - Nan Li
- Department of Intervention Radiology, The First Affiliated Hospital, Sun Yat-sen University Guangzhou, 510080, China
| | - Hongmei Jiang
- Faculty of Preventive Medicine, A Key Laboratory of Guangzhou Environmental Pollution and Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Ruobi Li
- Faculty of Preventive Medicine, A Key Laboratory of Guangzhou Environmental Pollution and Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Fei Wang
- Faculty of Preventive Medicine, A Key Laboratory of Guangzhou Environmental Pollution and Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Wen Chen
- Faculty of Preventive Medicine, A Key Laboratory of Guangzhou Environmental Pollution and Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Min Xia
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health and Department of Nutrition, School of Public Health, Sun Yat-sen University Guangzhou, 510080, China
| | - Qing Wang
- Faculty of Preventive Medicine, A Key Laboratory of Guangzhou Environmental Pollution and Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China.
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Chen N, Su P, Wang M, Li YM. Ascorbic acid inhibits cadmium-induced disruption of the blood-testis barrier by regulating oxidative stress-mediated p38 MAPK pathways. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:21713-21720. [PMID: 29790047 DOI: 10.1007/s11356-018-2138-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 04/25/2018] [Indexed: 06/08/2023]
Abstract
Ascorbic acid (AA), one of the best-known reactive oxygen species (ROS) scavengers, exhibits numerous functions such as antioxidant, anti-cancer, and anti-inflammatory effects. Increasing evidence demonstrates that oxidative stress plays an important role in testicular toxicity. In the present study, we investigated the protective effect of AA against cadmium (Cd)-induced blood-testis barrier (BTB) disruption. Sprague-Dawley (SD) rats were divided into four groups: the Cd-treated group received a single dose (s.c.) of 2 mg/kg BW cadmium chloride; the AA antagonism group received an injection of AA at a dose of 400 mg/kg BW (200 mg 24 h prior to Cd treatment and 200 mg 24 h following Cd treatment); and the control groups received an equal volume of saline or an equal dose of AA. As expected, ROS expression was upregulated in the Cd-treated rats, accompanied by an increase in malondialdehyde (MDA). Interestingly, AA suppressed Cd-induced oxidative stress by decreasing the levels of ROS and MDA and increasing the activity of superoxide dismutase (SOD) and catalase (CAT). In addition, AA also reduced BTB disruption by inhibiting TGF-β3 activation and p38 MAPK phosphorylation. Significant decreases in occludin and claudin-11 expression were observed in the Cd-treated rats, whereas AA administration attenuated this effect. Moreover, testicular histopathology and transmission electron microscopy further demonstrated the protective effects of AA against Cd-induced BTB damage. In conclusion, the results of the present study suggest that AA protects BTB destruction via the inhibition of oxidative stress and the TGF-β3/p38 MAPK signalling pathway in the testis of Cd-exposed rats.
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Affiliation(s)
- Na Chen
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ping Su
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Mei Wang
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ya-Min Li
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
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Wang X, Yang C, Liu X, Yang P. The impact of microRNA-122 and its target gene Sestrin-2 on the protective effect of ghrelin in angiotensin II-induced cardiomyocyte apoptosis. RSC Adv 2018; 8:10107-10114. [PMID: 35540851 PMCID: PMC9078835 DOI: 10.1039/c7ra13028g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 03/06/2018] [Indexed: 12/15/2022] Open
Abstract
Ghrelin with n-octanoylated serine 3 residue is a peptide hormone with well-known cardioprotective properties. MicroRNA-122 is associated with the pathogenesis of many cardiovascular diseases, including apoptosis and was found highly increased in our previous rat model of post-myocardial infarction heart failure. In this study, we aimed to identify the target gene of microRNA-122 and to evaluate their impacts on the protective effect of acylated ghrelin in angiotensin II-induced apoptosis. The results showed that microRNA-122 was upregulated in the angiotensin II administration group accompanied by increased cell apoptosis, which were both reversed by ghrelin. Furthermore, microRNA-122 mimics upregulated numerous pro-apoptotic genes and increased apoptosis. The luciferase activity assay revealed Sestrin-2 as a direct target of microRNA-122. The expression of Sestrin-2 was downregulated by angiotensin II and upregulated by co-treatment with ghrelin. Inhibition of microRNA-122 and overexpression of Sestrin-2 alleviated apoptosis which was further reduced upon administered of ghrelin. Together, these results indicated that Sestrin-2 expression is inhibited by microRNA-122 and that this inhibition is involved in the protective effect of ghrelin and angiotensin II-induced apoptosis. We also found that microRNA-122 influenced several apoptosis pathways including the caspase cascade reaction and death receptor-mediated pathways. Collectively, our data reveal that microRNA-122 and its target gene Sestrin-2, under the regulation of angiotensin II and ghrelin, are important players in cardiomyocyte apoptosis. We therefore believe that microRNA-122 and Sestrin-2 can be developed as potential therapeutic targets against apoptosis in cardiovascular diseases. Inhibition of microRNA-122 and overexpression of Sestrin-2 alleviated angiotensin II-induced cardiomyocyte apoptosis and enhanced the protective effect of ghrelin.![]()
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Affiliation(s)
- Xiaotong Wang
- The Department of Cardiology, China-Japan Union Hospital, Jilin University Changchun 130011 Jilin China
| | - Chunyan Yang
- The Department of Cardiology, China-Japan Union Hospital, Jilin University Changchun 130011 Jilin China
| | - Xueyan Liu
- The Department of Cardiology, China-Japan Union Hospital, Jilin University Changchun 130011 Jilin China
| | - Ping Yang
- The Department of Cardiology, China-Japan Union Hospital, Jilin University Changchun 130011 Jilin China
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Liu X, Tong Z, Chen K, Hu X, Jin H, Hou M. The Role of miRNA-132 against Apoptosis and Oxidative Stress in Heart Failure. BIOMED RESEARCH INTERNATIONAL 2018; 2018:3452748. [PMID: 29682535 PMCID: PMC5845498 DOI: 10.1155/2018/3452748] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 01/17/2018] [Accepted: 01/24/2018] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To explore the effect of microRNA-132 of heart failure and provide theoretical guidance for clinical treatment of heart failure (HF). METHODS Peripheral blood was collected from HF patients. RT-qPCR was used to determine microRNA-132 expression. Mouse models of heart failure were established. Color Doppler ultrasound was utilized to measure the changes of cardiac function. HE and Masson staining were applied to observe pathological changes of the myocardium. After H9C2 cells were transfected with microRNA-132, MTT assay was employed to detect the stability of H9C2 cells. ELISA was used to measure the levels of oxidative stress factors. Western blot assay and RT-qPCR were utilized to determine the expression of Bax, Bcl-2, TGF-β1, and smad3. RESULTS MicroRNA-132 expression was downregulated in HF patients' blood. After establishing mouse models of HF, cardiac function obviously decreased. HE staining revealed the obvious edema and hypertrophy of cardiomyocytes. Masson staining demonstrated that cardiomyocytes were markedly fibrotic. After microRNA-132 transfection and H9C2 cell apoptosis induced by H2O2, antioxidant stress and antiapoptotic ability of the H9C2 cells obviously increased. TGF-β1 and smad3 expression remarkably diminished. CONCLUSION Overexpression of microRNA-132 dramatically increased the antioxidant stress and antiapoptotic ability of H9C2 cells and decreased the expression of TGF-β1 and smad3.
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Affiliation(s)
- Xuelei Liu
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Zhou Tong
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Keyan Chen
- China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province 110122, China
| | - Xiaofang Hu
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Hongxu Jin
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Mingxiao Hou
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
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Lubrano V, Papa A, Pingitore A, Cocci F. α-1 Protein evaluation to stratify heart failure patients. J Cardiovasc Med (Hagerstown) 2018; 18:774-776. [PMID: 24911195 DOI: 10.2459/jcm.0000000000000016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Valter Lubrano
- aFondazione G. Monasterio CNR-Regione Toscana bIstituto di Fisiologia Clinica, CNR cDipartimento di Medicina Clinica e Sperimentale, Università di Pisa, Pisa, Italy
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Alencar AK, Montes GC, Montagnoli T, Silva AM, Martinez ST, Fraga AG, Wang H, Groban L, Sudo RT, Zapata-Sudo G. Activation of GPER ameliorates experimental pulmonary hypertension in male rats. Eur J Pharm Sci 2016; 97:208-217. [PMID: 27836751 DOI: 10.1016/j.ejps.2016.11.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 09/29/2016] [Accepted: 11/07/2016] [Indexed: 12/31/2022]
Abstract
RATIONALE Pulmonary hypertension (PH) is characterized by pulmonary vascular remodeling that leads to pulmonary congestion, uncompensated right-ventricle (RV) failure, and premature death. Preclinical studies have demonstrated that the G protein-coupled estrogen receptor (GPER) is cardioprotective in male rats and that its activation elicits vascular relaxation in rats of either sex. OBJECTIVES To study the effects of GPER on the cardiopulmonary system by the administration of its selective agonist G1 in male rats with monocrotaline (MCT)-induced PH. METHODS Rats received a single intraperitoneal injection of MCT (60mg/kg) for PH induction. Experimental groups were as follows: control, MCT+vehicle, and MCT+G1 (400μg/kg/daysubcutaneous). Animals (n=5pergroup) were treated with vehicle or G1 for 14days after disease onset. MEASUREMENTS AND MAIN RESULTS Activation of GPER attenuated exercise intolerance and reduced RV overload in PH rats. Rats with PH exhibited echocardiographic alterations, such as reduced pulmonary flow, RV hypertrophy, and left-ventricle dysfunction, by the end of protocol. G1 treatment reversed these PH-related abnormalities of cardiopulmonary function and structure, in part by promoting pulmonary endothelial nitric oxide synthesis, Ca2+ handling regulation and reduction of inflammation in cardiomyocytes, and a decrease of collagen deposition by acting in pulmonary and cardiac fibroblasts. CONCLUSIONS G1 was effective to reverse PH-induced RV dysfunction and exercise intolerance in male rats, a finding that have important implications for ongoing clinical evaluation of new cardioprotective and vasodilator drugs for the treatment of the disease.
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Affiliation(s)
- Allan K Alencar
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Guilherme C Montes
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Tadeu Montagnoli
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Ananssa M Silva
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Sabrina T Martinez
- Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Aline G Fraga
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Hao Wang
- Department of Anesthesiology, Wake Forest University, Winston-Salem, NC, USA
| | - Leanne Groban
- Department of Anesthesiology, Wake Forest University, Winston-Salem, NC, USA
| | - Roberto T Sudo
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Gisele Zapata-Sudo
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
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Gutekunst DJ. Isokinetic Torque Timing Parameters and Ceramides as Markers of Muscle Dysfunction in Systolic Heart Failure. J Card Fail 2016; 22:356-7. [PMID: 27039968 DOI: 10.1016/j.cardfail.2016.03.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 03/30/2016] [Accepted: 03/30/2016] [Indexed: 11/30/2022]
Affiliation(s)
- David J Gutekunst
- Saint Louis University Program in Physical Therapy, St Louis, MO, USA.
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Berezin AE, Kremzer AA, Samura TA, Martovitskaya YV, Malinovskiy YV, Oleshko SV, Berezina TA. Predictive value of apoptotic microparticles to mononuclear progenitor cells ratio in advanced chronic heart failure patients. J Cardiol 2015; 65:403-11. [PMID: 25123603 DOI: 10.1016/j.jjcc.2014.06.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 06/19/2014] [Accepted: 06/25/2014] [Indexed: 10/24/2022]
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Oropeza-Moe M, Wisløff H, Bernhoft A. Selenium deficiency associated porcine and human cardiomyopathies. J Trace Elem Med Biol 2015; 31:148-56. [PMID: 25456335 DOI: 10.1016/j.jtemb.2014.09.011] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Revised: 08/13/2014] [Accepted: 09/04/2014] [Indexed: 02/07/2023]
Abstract
Selenium (Se) is a trace element playing an important role in animal and human physiological homeostasis. It is a key component in selenoproteins (SeP) exerting multiple actions on endocrine, immune, inflammatory and reproductive processes. The SeP family of glutathione peroxidases (GSH-Px) inactivates peroxides and thereby maintains physiological muscle function in humans and animals. Animals with high feed conversion efficiency and substantial muscle mass have shown susceptibility to Se deficiency related diseases since nutritional requirements of the organism may not be covered. Mulberry Heart Disease (MHD) in pigs is an important manifestation of Se deficiency often implicating acute heart failure and sudden death without prior clinical signs. Post-mortem findings include hemorrhagic and pale myocardial areas accompanied by fluid accumulation in the pericardial sac and pleural cavity. Challenges in MHD are emerging in various parts of the world. Se is of fundamental importance also to human health. In the 1930s the Se deficiency associated cardiomyopathy named Keshan Disease (KD) was described for the first time in China. Various manifestations, such as cardiogenic shock, enlarged heart, congestive heart failure, and cardiac arrhythmias are common. Multifocal necrosis and fibrous replacement of myocardium are characteristic findings. Pathological findings in MD and KD show striking similarities.
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Affiliation(s)
- Marianne Oropeza-Moe
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine and Biosciences, Department of Production Animal Clinical Sciences, Kyrkjevegen 332-334, 4325 Sandnes, Norway.
| | - Helene Wisløff
- Norwegian Veterinary Institute, Department of Laboratory Services, Postbox 750 Sentrum, NO-0106 Oslo, Norway
| | - Aksel Bernhoft
- Norwegian Veterinary Institute, Department of Health Surveillance, Postbox 750 Sentrum, NO-0106 Oslo, Norway
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Alehagen U, Aaseth J. Selenium and coenzyme Q10 interrelationship in cardiovascular diseases--A clinician's point of view. J Trace Elem Med Biol 2015; 31:157-62. [PMID: 25511910 DOI: 10.1016/j.jtemb.2014.11.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 11/13/2014] [Accepted: 11/17/2014] [Indexed: 12/31/2022]
Abstract
A short review is given of the potential role of selenium deficiency and selenium intervention trials in atherosclerotic heart disease. Selenium is an essential constituent of several proteins, including the glutathione peroxidases and selenoprotein P. The selenium intake in Europe is generally in the lower margin of recommendations from authorities. Segments of populations in Europe may thus have a deficient intake that may be presented by a deficient anti-oxidative capacity in various illnesses, in particular atherosclerotic disease, and this may influence the prognosis of the disease. Ischemic heart disease and heart failure are two conditions where increased oxidative stress has been convincingly demonstrated. Some of the intervention studies of anti-oxidative substances that have focused on selenium are discussed in this review. The interrelationship between selenium and coenzyme Q10, another anti-oxidant, is presented, pointing to a theoretical advantage in using both substances in an intervention if there are deficiencies within the population. Clinical results from an intervention study using both selenium and coenzyme Q10 in an elderly population are discussed, where reduction in cardiovascular mortality, a better cardiac function according to echocardiography, and finally a lower concentration of the biomarker NT-proBNP as a sign of lower myocardial wall tension could be seen in those on active treatment, compared to placebo.
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Affiliation(s)
- Urban Alehagen
- Division of Cardiovascular Medicine, Department of Medicine and Health Sciences, Linköping University, Department of Cardiology, County Council of Östergötland, SE-581 85 Linköping, Sweden.
| | - Jan Aaseth
- Deptartment of Medicine, Innlandet Hospital Trust, N-2226 Kongsvinger, Norway
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Yu J, Pan W, Shi R, Yang T, Li Y, Yu G, Bai Y, Schuchman EH, He X, Zhang G. Ceramide is upregulated and associated with mortality in patients with chronic heart failure. Can J Cardiol 2014; 31:357-63. [PMID: 25746025 DOI: 10.1016/j.cjca.2014.12.007] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 12/07/2014] [Accepted: 12/08/2014] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Ceramide is involved in apoptosis, inflammation, and stress responses, which are among the pathogenic components of chronic heart failure (CHF). However, no one has documented the levels of ceramide itself in CHF or determined its potential prognostic value. METHODS In this study we recruited patients with heart failure consecutively from the hospital, of whom 423 stable patients were eventually selected to participate in this study after an observation period of at least 3 months after hospital discharge. All patents were followed up for all-cause death to December 31, 2013. RESULTS Plasma ceramide levels were increased stepwise with New York Heart Association functional class (I, 5.32 ± 1.98; II, 5.81 ± 1.63; III, 6.14 ± 2.14; IV, 6.66 ± 2.61 ng/mL). During a mean follow-up of 4.4 years (interquartile range: 3.5-5.3 years), a total of 200 CHF patients died. The optimal threshold value of ceramide was 6.05 ng/mL. Ceramide levels as continuous and as dichotomous variables are risk factors for mortality in CHF (adjusted hazard ratio, 1.31; 95% confidence interval, 1.16-1.47; P < 0.001 and adjusted hazard ratio, 2.07, 95% confidence interval, 1.53-2.81; P < 0.001, respectively). When ceramide levels were combined with conventional CHF risk factors, the area under the curve increased from 0.68 (0.63-0.72) to 0.72 (0.68-0.76); P = 0.047. The continuous net reclassification index and integrated discrimination improvement index were 17.2% (5.0-29.9%; P = 0.027) and 0.04 (0.01-0.08; P = 0.020), respectively. CONCLUSIONS Plasma ceramide levels were increased and correlated with the severity of CHF, and were an independent risk factor of mortality in patients with CHF and reduced left ventricular systolic function. Ceramide levels might provide additional predictive value after conventional risk assessment.
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Affiliation(s)
- Jingjia Yu
- The State Key Laboratory of Medical Genetics, Xiangya Medical School, Central South University, Changsha, Hunan, China
| | - Wei Pan
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Ruizheng Shi
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Tianlun Yang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Yuanjian Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Guolong Yu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Yongping Bai
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Edward H Schuchman
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Xingxuan He
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
| | - Guogang Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China.
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Oxidative stress markers and C-reactive protein are related to severity of heart failure in patients with dilated cardiomyopathy. Mediators Inflamm 2014; 2014:147040. [PMID: 25400332 PMCID: PMC4226178 DOI: 10.1155/2014/147040] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Revised: 09/28/2014] [Accepted: 09/29/2014] [Indexed: 11/17/2022] Open
Abstract
Background. The aim of study was to determine relationships between functional capacity (NYHA class), left ventricle ejection fraction (LVEF), hemodynamic parameters, and biomarkers of redox state and inflammation in patients with dilated cardiomyopathy (DCM). Methods. DCM patients (n = 109, aged 45.97 ± 10.82 years), NYHA class IIV, and LVEF 2.94 ± 7.1% were studied. Controls comprised age-matched healthy volunteers (n = 28). Echocardiography and right heart catheterization were performed. Serum activities of superoxide dismutase isoenzymes (MnSOD and CuZnSOD), concentrations of uric acid (UA), malondialdehyde (MDA), and C-reactive protein (hs-CRP) were measured. Results. MnSOD, UA, hs-CRP, and MDA were significantly higher in DCM patients compared to controls. Except MDA concentration, above parameters were higher in patients in III-IV NYHA class or with lower LVEF. hsCRP correlated with of MnSOD (P < 0.05) and CuZnSOD activity (P < 0.01). Both isoenzymes positively correlated with mPAP and pulmonary capillary wedge pressure (MnSOD, resp., P < 0.01 and P < 0.05 and CuZnSOD P < 0.05; P < 0.05). UA positively correlated with MnSOD (P < 0.05), mPAP (P < 0.05), and PVRI (P < 0.05). The negative correlation between LVEF and UA (P < 0.01) was detected. Conclusion. There are relationships among the severity of symptoms of heart failure, echocardiographic hemodynamic parameters, oxidative stress, and inflammatory activation. Increased MnSOD activity indicates the mitochondrial source of ROS in patients with advanced heart failure.
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GE TONG, QIN HAO, WANG XU, YANG SHUSEN, GUO LI, HAN WEI, CHANG HUIYING. Effects of Thoracic Epidural Anesthesia on Cardiac Function and Myocardial Cell Apoptosis in Isoproterenol-Induced Chronic Heart Failure Rats. J Interv Cardiol 2014; 27:446-55. [PMID: 25267251 DOI: 10.1111/joic.12147] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- TONG GE
- Department of Respiratory Medicine; the Second Hospital of Harbin; Harbin 150000 P.R. China
| | - HAO QIN
- Department of Respiratory Medicine; the Second Hospital of Harbin; Harbin 150000 P.R. China
| | - XU WANG
- Department of Cardiology; The First Affiliated Hospital of Harbin Medical University; Harbin P.R. China
| | - SHU-SEN YANG
- Department of Cardiology; The First Affiliated Hospital of Harbin Medical University; Harbin P.R. China
| | - LI GUO
- Department of Respiratory Medicine; the Second Hospital of Harbin; Harbin 150000 P.R. China
| | - WEI HAN
- Department of Cardiology; The First Affiliated Hospital of Harbin Medical University; Harbin P.R. China
| | - HUI-YING CHANG
- Department of Cardiology; The First Affiliated Hospital of Harbin Medical University; Harbin P.R. China
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Moro-García MA, Echeverría A, Galán-Artímez MC, Suárez-García FM, Solano-Jaurrieta JJ, Avanzas-Fernández P, Díaz-Molina B, Lambert JL, López-Larrea C, Morís de la Tassa C, Alonso-Arias R. Immunosenescence and inflammation characterize chronic heart failure patients with more advanced disease. Int J Cardiol 2014; 174:590-9. [PMID: 24801091 DOI: 10.1016/j.ijcard.2014.04.128] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Revised: 03/15/2014] [Accepted: 04/12/2014] [Indexed: 01/01/2023]
Abstract
BACKGROUND Chronic heart failure (CHF) is characterized by an inflammatory status with high levels of cytokines such as IL-6. We hypothesized that patients with CHF may develop immunosenescence due to inflammation and that this may be associated with a worse stage of the disease. METHODS AND RESULTS We compared the immunological features of 58 elderly CHF patients (ECHF), 40 young CHF patients (YCHF), 60 healthy elderly controls (HEC) and 40 healthy young controls (HYC). We characterized leukocyte and lymphocyte subpopulations by flow cytometry, and IL-6 concentration by ELISA. The extent of CHF was classified according to functional and/or morphological criteria: New York Heart Association functional class, AHA/ACC heart failure stages, left ventricular ejection fraction, and left ventricular hypertrophy. CHF patients showed an increased number of leukocytes, neutrophils and monocytes, but a decreased number of lymphocytes. CHF patients had significantly lower levels of B-cells and CD4+ T-cells, increased NK-cells in YCHF, and increased CD8+ T-cells only in ECHF. CHF was associated with high differentiation in CD4+ and CD8+ T-lymphocyte subsets. Aging of T-lymphocyte subpopulations and high IL-6 levels were associated with a worse clinical status. IL-6 also correlated positively with the number of highly differentiated T-lymphocytes and with their accelerated aging. CONCLUSIONS We conclude that CHF patients show a higher degree of immunosenescence than age-matched healthy controls. T-lymphocyte differentiation and IL-6 levels are increased in patients with an advanced clinical status and may contribute to disease impairment through a compromised adaptive immune response due to accelerated aging of their immune system.
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Affiliation(s)
| | - Ainara Echeverría
- Immunology Department, Hospital Universitario Central de Asturias, 33006 Oviedo, Spain
| | | | | | | | - Pablo Avanzas-Fernández
- Servicio de Cardiología, Área del Corazón, Hospital Universitario Central de Asturias, 33006 Oviedo, Spain
| | - Beatríz Díaz-Molina
- Servicio de Cardiología, Área del Corazón, Hospital Universitario Central de Asturias, 33006 Oviedo, Spain
| | - J L Lambert
- Servicio de Cardiología, Área del Corazón, Hospital Universitario Central de Asturias, 33006 Oviedo, Spain
| | - Carlos López-Larrea
- Immunology Department, Hospital Universitario Central de Asturias, 33006 Oviedo, Spain; Fundación Renal "Iñigo Alvarez de Toledo", Madrid, Spain
| | - Cesar Morís de la Tassa
- Servicio de Cardiología, Área del Corazón, Hospital Universitario Central de Asturias, 33006 Oviedo, Spain
| | - Rebeca Alonso-Arias
- Immunology Department, Hospital Universitario Central de Asturias, 33006 Oviedo, Spain.
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Yang Z, Liu Y, Deng W, Dai J, Li F, Yuan Y, Wu Q, Zhou H, Bian Z, Tang Q. Hesperetin attenuates mitochondria-dependent apoptosis in lipopolysaccharide-induced H9C2 cardiomyocytes. Mol Med Rep 2014; 9:1941-6. [PMID: 24604207 DOI: 10.3892/mmr.2014.2002] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2013] [Accepted: 02/27/2014] [Indexed: 11/06/2022] Open
Abstract
Apoptosis is closely associated with the occurrence and development of cardiovascular diseases and is considered as one of the crucial pathological processes of cardiomyopathy, sepsis, ischemia/reperfusion injury, myocardial infarction and heart failure. Hesperetin (HES), a flavanone glycoside found in citrus fruit peels, has been known to exhibit several key biological and pharmacological properties. Previous studies have demonstrated the anti-inflammatory, anti-oxidant and anti-tumor functions of HES. However, with regards to the pro- or anti-apoptotic functions of HES, there are several disagreements within the literature. To examine whether HES has protective effects in cardiac apoptosis, the present study examined the role of HES in lipopolysaccharide (LPS)-stimulated H9C2 cardiomyocytes, aiming to clarify the possible mechanisms underlying its effects. In the present study, HES reduced the percentage of viable apoptotic (VA) cells in a flow cytometry analysis. It had an anti-apoptosis function in LPS-stimulated H9C2 cells. To clarify whether HES alleviated LPS-stimulated apoptosis through the mitochondria-dependent intrinsic apoptotic pathway, certain indicators of this pathway were detected, including members of the caspase family. The data revealed that HES attenuated the activation of capase-3 and caspase-9. These results indicated HES has a mitochondria-dependent anti-apoptosis effect in LPS-stimulated H9C2 cells. To explore the possible mechanisms, the protein expression levels of certain markers in the possible signaling pathway were detected, including JNK and Bcl-2 family. As a result, HES downregulated the protein expression of Bax, upregulated the expression of Bcl-2 and attenuated the phosphorylation level of JNK. Therefore, the anti-apoptosis effects of HES were possibly mediated by the JNK/Bax signaling pathway. In conclusion, HES has a mitochondria-dependent anti-apoptosis effect in LPS-induced H9C2 cells via the JNK/Bax signaling pathway.
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Affiliation(s)
- Zheng Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Yuan Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Wei Deng
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Jia Dai
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Fangfang Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Yuan Yuan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Qingqing Wu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Heng Zhou
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Zhouyan Bian
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Qizhu Tang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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Zhao Z, Wang H, Jessup JA, Lindsey SH, Chappell MC, Groban L. Role of estrogen in diastolic dysfunction. Am J Physiol Heart Circ Physiol 2014; 306:H628-40. [PMID: 24414072 DOI: 10.1152/ajpheart.00859.2013] [Citation(s) in RCA: 141] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The prevalence of left ventricular diastolic dysfunction (LVDD) sharply increases in women after menopause and may lead to heart failure. While evidence suggests that estrogens protect the premenopausal heart from hypertension and ventricular remodeling, the specific mechanisms involved remain elusive. Moreover, whether there is a protective role of estrogens against cardiovascular disease, and specifically LVDD, continues to be controversial. Clinical and basic science have implicated activation of the renin-angiotensin-aldosterone system (RAAS), linked to the loss of ovarian estrogens, in the pathogenesis of postmenopausal diastolic dysfunction. As a consequence of increased tissue ANG II and low estrogen, a maladaptive nitric oxide synthase (NOS) system produces ROS that contribute to female sex-specific hypertensive heart disease. Recent insights from rodent models that mimic the cardiac phenotype of an estrogen-insufficient or -deficient woman (e.g., premature ovarian failure or postmenopausal), including the ovariectomized congenic mRen2.Lewis female rat, provide evidence showing that estrogen modulates the tissue RAAS and NOS system and related intracellular signaling pathways, in part via the membrane G protein-coupled receptor 30 (GPR30; also called G protein-coupled estrogen receptor 1). Complementing the cardiovascular research in this field, the echocardiographic correlates of LVDD as well as inherent limitations to its use in preclinical rodent studies will be briefly presented. Understanding the roles of estrogen and GPR30, their interactions with the local RAAS and NOS system, and the relationship of each of these to LVDD is necessary to identify new therapeutic targets and alternative treatments for diastolic heart failure that achieve the cardiovascular benefits of estrogen replacement without its side effects and contraindications.
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Affiliation(s)
- Zhuo Zhao
- Department of Cardiology, Jinan Central Hospital, Affiliated with Shandong University, Jinan, China
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Zhao Q, Hu X, Shao L, Wu G, Du J, Xia J. LipoxinA4 attenuates myocardial ischemia reperfusion injury via a mechanism related to downregulation of GRP-78 and caspase-12 in rats. Heart Vessels 2013; 29:667-78. [PMID: 24129401 PMCID: PMC4160563 DOI: 10.1007/s00380-013-0418-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Accepted: 09/27/2013] [Indexed: 01/21/2023]
Abstract
This study aims to determine the effect of Lipoxin (LX)A4 on myocardial ischemia reperfusion injury (MIRI) in rats and the related molecular mechanisms. Male SD rats were divided into six groups. The sham operation groups (groups C1, C2) were injected with 2 ml/kg normal saline before and after coronary artery threading, respectively. The MIRI group (groups I/R1, I/R2) were injected with normal saline before and after MIRI, respectively. The LXA4 groups (groups LX1, LX2) were injected with LXA4 before and after MIRI treatment, respectively. The hematoxylin–eosin staining and ultrastructural changes of cardiac muscle were observed. The serum levels of interleukin (IL)-1β, IL-6, IL-10, tumor necrosis factor (TNF) α and cardiac troponin I (cTnI) were measured before open-chest operation and at the end of the experiment. The mRNA and protein levels of GRP-78 and caspase-12 were determined in each group. The myocardial cell apoptosis, myeloperoxidase (MPO), superoxide dismutase (SOD), and malondialdehyde (MDA) contents were detected. The mRNA and protein levels of GRP-78 and caspase-12, the apoptosis, the serum IL-1β, IL-6, IL-10, TNF-α, and cTnI concentrations, MPO, SOD, MDA contents were significantly increased in groups I/R1, I/R2, LX1, and LX2 compared with those in groups C1 and C2 (P < 0.05). The mRNA and protein expression levels of GRP-78 and caspase-12 in groups LX1 and LX2 were lower than those in groups I/R1 and I/R2. Compared with group I/R1 and I/R2, the myocardial neutrophil infiltration and ultrastructure damage were significantly less in groups LX1 and LX2. GRP-78 and IL-10 are expressed both extracellularly and intracellularly, but are mainly expressed in the cytoplasms. In the absence of MIRI, LXA4 has no detectable effect on GRP-78 and caspase-12 expression. Before and after MIRI, application of LXA4 significantly inhibits neutrophil activation, and attenuates myocardial inflammatory injury and oxidative stress. LXA4 downregulates the mRNA and protein expression of GRP-78 and caspase-12. LXA4 could play a role in myocardial protection via a mechanism related to downregulation of GRP-78 and caspase-12, and inhibition of apoptosis.
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Affiliation(s)
- Qifeng Zhao
- Department of Cardiovascular and Thoracic Surgery, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 College Western Road, Wenzhou, 325027, People's Republic of China,
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Apoptotic transcriptional profile remains activated in late remodeled left ventricle after myocardial infarction in swine infarcted hearts with preserved ejection fraction. Pharmacol Res 2013; 70:41-9. [DOI: 10.1016/j.phrs.2012.12.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2012] [Revised: 11/28/2012] [Accepted: 12/04/2012] [Indexed: 12/31/2022]
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Brouwers C, Mommersteeg PMC, Nyklíček I, Pelle AJ, Westerhuis BLWJJM, Szabó BM, Denollet J. Positive affect dimensions and their association with inflammatory biomarkers in patients with chronic heart failure. Biol Psychol 2012; 92:220-6. [PMID: 23085133 DOI: 10.1016/j.biopsycho.2012.10.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Revised: 10/02/2012] [Accepted: 10/02/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND In cardiac patients positive affect has found to be associated with improved clinical outcomes, with reduced inflammation being one of the potential mechanisms responsible. METHODS Positive affect was assessed using The Global Mood Scale (GMS), Positive and Negative Affect Schedule (PANAS), and Hospital Anxiety and Depression Scale (HADS) in patient with chronic heart failure (N=210; 67 ± 9 years, 79% men). Markers of inflammation (TNFα, sTNFr1, sTNFr2, IL-6 and CRP) were measured and averaged at three consecutive time points. RESULTS The positive affect dimensions of the GMS and PANAS were significantly associated with lower averaged levels of sTNFr2, TNFα and IL-6 (p<.1), even after adjustment for clinical and lifestyle confounders. Positive affect of the HADS was significantly associated with lower averaged levels of hsCRP (p<.1), but was no longer significant after correction for lifestyle confounders and depressive symptoms. CONCLUSION Positive affect is associated with reduced inflammation in patients with heart failure.
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Affiliation(s)
- Corline Brouwers
- CoRPS - Center of Research on Psychology in Somatic diseases, Department of Medical Psychology and Neuropsychology, Tilburg University, Tilburg, The Netherlands
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