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Neves LS, Saraiva F, Ferreira R, Leite-Moreira A, Barros AS, Diaz SO. Metabolomics and Cardiovascular Risk in Patients with Heart Failure: A Systematic Review and Meta-Analysis. Int J Mol Sci 2024; 25:5693. [PMID: 38891881 PMCID: PMC11172189 DOI: 10.3390/ijms25115693] [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: 04/10/2024] [Revised: 05/17/2024] [Accepted: 05/21/2024] [Indexed: 06/21/2024] Open
Abstract
The associations of plasma metabolites with adverse cardiovascular (CV) outcomes are still underexplored and may be useful in CV risk stratification. We performed a systematic review and meta-analysis to establish correlations between blood metabolites and adverse CV outcomes in patients with heart failure (HF). Four cohorts were included, involving 83 metabolites and 37 metabolite ratios, measured in 1158 HF patients. Hazard ratios (HR) of 42 metabolites and 3 metabolite ratios, present in at least two studies, were combined through meta-analysis. Higher levels of histidine (HR 0.74, 95% CI [0.64; 0.86]) and tryptophan (HR 0.82 [0.71; 0.96]) seemed protective, whereas higher levels of symmetric dimethylarginine (SDMA) (HR 1.58 [1.30; 1.93]), N-methyl-1-histidine (HR 1.56 [1.27; 1.90]), SDMA/arginine (HR 1.38 [1.14; 1.68]), putrescine (HR 1.31 [1.06; 1.61]), methionine sulfoxide (HR 1.26 [1.03; 1.52]), and 5-hydroxylysine (HR 1.25 [1.05; 1.48]) were associated with a higher risk of CV events. Our findings corroborate important associations between metabolic imbalances and a higher risk of CV events in HF patients. However, the lack of standardization and data reporting hampered the comparison of a higher number of studies. In a future clinical scenario, metabolomics will greatly benefit from harmonizing sample handling, data analysis, reporting, and sharing.
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Affiliation(s)
- Leonel Sousa Neves
- Cardiovascular R&D Centre, UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (L.S.N.); (F.S.); (A.L.-M.)
| | - Francisca Saraiva
- Cardiovascular R&D Centre, UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (L.S.N.); (F.S.); (A.L.-M.)
| | - Rita Ferreira
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Adelino Leite-Moreira
- Cardiovascular R&D Centre, UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (L.S.N.); (F.S.); (A.L.-M.)
| | - António S. Barros
- Cardiovascular R&D Centre, UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (L.S.N.); (F.S.); (A.L.-M.)
| | - Sílvia O. Diaz
- Cardiovascular R&D Centre, UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (L.S.N.); (F.S.); (A.L.-M.)
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More SA, Deore RS, Pawar HD, Sharma C, Nakhate KT, Rathod SS, Ojha S, Goyal SN. CB2 Cannabinoid Receptor as a Potential Target in Myocardial Infarction: Exploration of Molecular Pathogenesis and Therapeutic Strategies. Int J Mol Sci 2024; 25:1683. [PMID: 38338960 PMCID: PMC10855244 DOI: 10.3390/ijms25031683] [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: 12/31/2023] [Revised: 01/22/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
The lipid endocannabinoid system has recently emerged as a novel therapeutic target for several inflammatory and tissue-damaging diseases, including those affecting the cardiovascular system. The primary targets of cannabinoids are cannabinoid type 1 (CB1) and 2 (CB2) receptors. The CB2 receptor is expressed in the cardiomyocytes. While the pathological changes in the myocardium upregulate the CB2 receptor, genetic deletion of the receptor aggravates the changes. The CB2 receptor plays a crucial role in attenuating the advancement of myocardial infarction (MI)-associated pathological changes in the myocardium. Activation of CB2 receptors exerts cardioprotection in MI via numerous molecular pathways. For instance, delta-9-tetrahydrocannabinol attenuated the progression of MI via modulation of the CB2 receptor-dependent anti-inflammatory mechanisms, including suppression of pro-inflammatory cytokines like IL-6, TNF-α, and IL-1β. Through similar mechanisms, natural and synthetic CB2 receptor ligands repair myocardial tissue damage. This review aims to offer an in-depth discussion on the ameliorative potential of CB2 receptors in myocardial injuries induced by a variety of pathogenic mechanisms. Further, the modulation of autophagy, TGF-β/Smad3 signaling, MPTP opening, and ROS production are discussed. The molecular correlation of CB2 receptors with cardiac injury markers, such as troponin I, LDH1, and CK-MB, is explored. Special attention has been paid to novel insights into the potential therapeutic implications of CB2 receptor activation in MI.
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Affiliation(s)
- Sagar A. More
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal’s Institute of Pharmacy, Dhule 424001, Maharashtra, India; (S.A.M.); (R.S.D.); (H.D.P.); (K.T.N.); (S.S.R.)
| | - Rucha S. Deore
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal’s Institute of Pharmacy, Dhule 424001, Maharashtra, India; (S.A.M.); (R.S.D.); (H.D.P.); (K.T.N.); (S.S.R.)
| | - Harshal D. Pawar
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal’s Institute of Pharmacy, Dhule 424001, Maharashtra, India; (S.A.M.); (R.S.D.); (H.D.P.); (K.T.N.); (S.S.R.)
| | - Charu Sharma
- Department of Internal Medicine, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
| | - Kartik T. Nakhate
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal’s Institute of Pharmacy, Dhule 424001, Maharashtra, India; (S.A.M.); (R.S.D.); (H.D.P.); (K.T.N.); (S.S.R.)
| | - Sumit S. Rathod
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal’s Institute of Pharmacy, Dhule 424001, Maharashtra, India; (S.A.M.); (R.S.D.); (H.D.P.); (K.T.N.); (S.S.R.)
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Sameer N. Goyal
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal’s Institute of Pharmacy, Dhule 424001, Maharashtra, India; (S.A.M.); (R.S.D.); (H.D.P.); (K.T.N.); (S.S.R.)
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Yu C, Li X, Ma J, Liang S, Zhao Y, Li Q, Zhang R. Spatiotemporal modulation of nitric oxide and Notch signaling by hemodynamic-responsive Trpv4 is essential for ventricle regeneration. Cell Mol Life Sci 2024; 81:60. [PMID: 38279064 PMCID: PMC10817848 DOI: 10.1007/s00018-023-05092-0] [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: 10/23/2023] [Revised: 12/08/2023] [Accepted: 12/13/2023] [Indexed: 01/28/2024]
Abstract
Zebrafish have a remarkable ability to regenerate injured hearts. Altered hemodynamic forces after larval ventricle ablation activate the endocardial Klf2a-Notch signaling cascade to direct zebrafish cardiac regeneration. However, how the heart perceives blood flow changes and initiates signaling pathways promoting regeneration is not fully understood. The present study demonstrated that the mechanosensitive channel Trpv4 sensed the altered hemodynamic forces in injured hearts and its expression was regulated by blood flow. In addition to mediating the endocardial Klf2a-Notch signal cascade around the atrioventricular canal (AVC), we discovered that Trpv4 regulated nitric oxide (NO) signaling in the bulbus arteriosus (BA). Further experiments indicated that Notch signaling primarily acted at the early stage of regeneration, and the major role of NO signaling was at the late stage and through TGF-β pathway. Overall, our findings revealed that mechanosensitive channels perceived the changes in hemodynamics after ventricle injury, and provide novel insights into the temporal and spatial coordination of multiple signaling pathways regulating heart regeneration.
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Affiliation(s)
- Chunxiao Yu
- TaiKang Medical School, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Xueyu Li
- School of Life Sciences, Fudan University, Shanghai, 200433, China
| | - Jinmin Ma
- Medical Frontier Innovation Research Center, The First Hospital of Lanzhou University, The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, China
| | - Shuzhang Liang
- School of Life Sciences, Fudan University, Shanghai, 200433, China
| | - Yan Zhao
- TaiKang Medical School, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Qi Li
- TaiKang Medical School, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Ruilin Zhang
- TaiKang Medical School, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China.
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, 430071, China.
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China.
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Power AS, Asamudo EU, Worthington LP, Alim CC, Parackal RE, Wallace RS, Ebenebe OV, Heller Brown J, Kohr MJ, Bers DM, Erickson JR. Nitric Oxide Modulates Ca 2+ Leak and Arrhythmias via S-Nitrosylation of CaMKII. Circ Res 2023; 133:1040-1055. [PMID: 37961889 PMCID: PMC10699507 DOI: 10.1161/circresaha.123.323571] [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: 08/23/2023] [Revised: 10/29/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND Nitric oxide (NO) has been identified as a signaling molecule generated during β-adrenergic receptor stimulation in the heart. Furthermore, a role for NO in triggering spontaneous Ca2+ release via S-nitrosylation of CaMKIIδ (Ca2+/calmodulin kinase II delta) is emerging. NO donors are routinely used clinically for their cardioprotective effects on the heart, but it is unknown how NO donors modulate the proarrhythmic CaMKII to alter cardiac arrhythmia incidence. We test the role of S-nitrosylation of CaMKIIδ at the Cysteine-273 inhibitory site and cysteine-290 activating site in cardiac Ca2+ handling and arrhythmogenesis before and during β-adrenergic receptor stimulation. METHODS We measured Ca2+-handling in isolated cardiomyocytes from C57BL/6J wild-type (WT) mice and mice lacking CaMKIIδ expression (CaMKIIδ-KO) or with deletion of the S-nitrosylation site on CaMKIIδ at cysteine-273 or cysteine-290 (CaMKIIδ-C273S and -C290A knock-in mice). Cardiomyocytes were exposed to NO donors, S-nitrosoglutathione (GSNO; 150 μM), sodium nitroprusside (200 μM), and β-adrenergic agonist isoproterenol (100 nmol/L). RESULTS Both WT and CaMKIIδ-KO cardiomyocytes responded to isoproterenol with a full inotropic and lusitropic Ca2+ transient response as well as increased Ca2+ spark frequency. However, the increase in Ca2+ spark frequency was significantly attenuated in CaMKIIδ-KO cardiomyocytes. The protection from isoproterenol-induced Ca2+ sparks and waves was mimicked by GSNO pretreatment in WT cardiomyocytes but lost in CaMKIIδ-C273S cardiomyocytes. When GSNO was applied after isoproterenol, this protection was not observed in WT or CaMKIIδ-C273S but was apparent in CaMKIIδ-C290A. In Langendorff-perfused isolated hearts, GSNO pretreatment limited isoproterenol-induced arrhythmias in WT but not CaMKIIδ-C273S hearts, while GSNO exposure after isoproterenol sustained or exacerbated arrhythmic events. CONCLUSIONS We conclude that prior S-nitrosylation of CaMKIIδ at cysteine-273 can limit subsequent β-adrenergic receptor-induced arrhythmias, but that S-nitrosylation at cysteine-290 might worsen or sustain β-adrenergic receptor-induced arrhythmias. This has important implications for the administration of NO donors in the clinical setting.
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Affiliation(s)
- Amelia S. Power
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand (A.S.P., E.U.A., L.P.I.W., R.E.P., R.S.W., J.R.E.)
- Department of Physiology, University of Auckland, New Zealand (A.S.P.)
| | - Esther U. Asamudo
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand (A.S.P., E.U.A., L.P.I.W., R.E.P., R.S.W., J.R.E.)
- Department of Pharmacology, University of California, Davis (E.U.A., C.C.A., D.M.B.)
| | - Luke P.I. Worthington
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand (A.S.P., E.U.A., L.P.I.W., R.E.P., R.S.W., J.R.E.)
| | - Chidera C. Alim
- Department of Pharmacology, University of California, Davis (E.U.A., C.C.A., D.M.B.)
| | - Raquel E. Parackal
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand (A.S.P., E.U.A., L.P.I.W., R.E.P., R.S.W., J.R.E.)
| | - Rachel S. Wallace
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand (A.S.P., E.U.A., L.P.I.W., R.E.P., R.S.W., J.R.E.)
| | - Obialunanma V. Ebenebe
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (O.V.E., M.J.K.)
| | - Joan Heller Brown
- Department of Pharmacology, University of California, San Diego, La Jolla (J.H.B.)
| | - Mark J. Kohr
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (O.V.E., M.J.K.)
| | - Donald M. Bers
- Department of Pharmacology, University of California, Davis (E.U.A., C.C.A., D.M.B.)
| | - Jeffrey R. Erickson
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand (A.S.P., E.U.A., L.P.I.W., R.E.P., R.S.W., J.R.E.)
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Pant J, Agarwal R, S S, Mohan L. Acute Exposure to Bisphenol S Decreases In Vitro Right Atrial Contractility in Rats. Cureus 2023; 15:e51387. [PMID: 38292991 PMCID: PMC10826249 DOI: 10.7759/cureus.51387] [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] [Accepted: 12/31/2023] [Indexed: 02/01/2024] Open
Abstract
AIM/OBJECTIVE Bisphenols are widely used in the manufacturing of polycarbonate material and epoxy resins which constitute the essential component of plastic. Bisphenol A (BPA) has been reported to produce toxicity on organs in both animal and human studies. Therefore, plastic manufacturers are replacing BPA with other analogues that are considered to be safe, and BPA-free products are now available in the market. However, some studies have reported that bisphenol-S (BPS) also possesses toxic properties. It has been reported to depress ventricular contraction as well as produce ventricular arrhythmia on acute exposure. The present study was performed to examine the effect of BPS on in vitro spontaneously-beating right atria in rats. METHODS In the present study, in vitro spontaneous contractions of right atria obtained from adult female rats of the Wistar strain were recorded. The atria were exposed to BPS (10-6-10 mM) and its effects on atrial contractions were recorded in the form of cumulative-concentration response with and without administration of antagonists namely atropine, L-NAME, and methylene blue. RESULTS BPS decreased the rate as well as the force of atrial contractions. The changes produced in the rate and force of atrial contractions were not attributed to ethanol, which was used to prepare BPS solutions. The decrease in right atrial contractility produced by BPS was blocked by L-NAME; however, atropine and methylene blue were not able to antagonize the effects of BPS on atria. CONCLUSIONS The present study indicates the involvement of NO-dependent but cGMP independent pathway responsible for BPS-induced cardio-toxicity.
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Affiliation(s)
- Jayanti Pant
- Physiology, All India Institute of Medical Sciences, Rishikesh, Rishikesh, IND
| | - Radhika Agarwal
- Physiology, All India Institute of Medical Sciences, Rishikesh, Rishikesh, IND
| | - Srikant S
- Physiology, All India Institute of Medical Sciences, Rishikesh, Rishikesh, IND
| | - Latika Mohan
- Physiology, All India Institute of Medical Sciences, Rishikesh, Rishikesh, IND
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Kwon J, Aoki Y, Takahashi H, Nakata R, Kawarasaki S, Ni Z, Yu R, Inoue H, Inoue K, Kawada T, Goto T. Inflammation-induced nitric oxide suppresses PPARα expression and function via downregulation of Sp1 transcriptional activity in adipocytes. BIOCHIMICA ET BIOPHYSICA ACTA. GENE REGULATORY MECHANISMS 2023; 1866:194987. [PMID: 37739218 DOI: 10.1016/j.bbagrm.2023.194987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 09/05/2023] [Accepted: 09/15/2023] [Indexed: 09/24/2023]
Abstract
The activation of peroxisome proliferator-activated receptor alpha (PPARα), a ligand-dependent transcription factor that regulates lipid oxidation-related genes, has been employed to treat hyperlipidemia. Emerging evidence indicates that Ppara gene expression decreases in adipose tissue under obese conditions; however, the underlying molecular mechanisms remain elusive. Here, we demonstrate that nitric oxide (NO) suppresses Ppara expression by regulating its promoter activity via suppression of specificity protein 1 (Sp1) transcriptional activity in adipocytes. NO derived from lipopolysaccharide (LPS) -activated macrophages or a NO donor (NOR5) treatment, suppressed Ppara mRNA expression in 10T1/2 adipocytes. In addition, Ppara transcript levels were reduced in the white adipose tissue (WAT) in both acute and chronic inflammation mouse models; however, such suppressive effects were attenuated via a nitric oxide synthase 2 (NOS2) inhibitor. Endoplasmic reticulum (ER) stress inhibitors attenuated the NO-induced repressive effects on Ppara gene expression in 10T1/2 adipocytes. Promoter mutagenesis and chromatin immunoprecipitation assays revealed that NO decreased the Sp1 occupancy in the proximal promoter regions of the Ppara gene, which might partially result from the reduced Sp1 expression levels by NO. This study delineated the molecular mechanism that modulates Ppara gene transcription upon NO stimulation in white adipocytes, suggesting a possible mechanism for the transcriptional downregulation of Ppara in WAT under obese conditions.
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Affiliation(s)
- Jungin Kwon
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji 611-0011, Japan
| | - Yumeko Aoki
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji 611-0011, Japan
| | - Haruya Takahashi
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji 611-0011, Japan
| | - Rieko Nakata
- Department of Food Science and Nutrition, Nara Women's University, Nara 630-8506, Japan
| | - Satoko Kawarasaki
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji 611-0011, Japan
| | - Zheng Ni
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji 611-0011, Japan
| | - Rina Yu
- Department of Food Science and Nutrition, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Hiroyasu Inoue
- Department of Food Science and Nutrition, Nara Women's University, Nara 630-8506, Japan
| | - Kazuo Inoue
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji 611-0011, Japan; Research Unit for Physiological Chemistry, The Center for the Promotion of Interdisciplinary Education and Research, Kyoto University, Kyoto 606-8501, Japan
| | - Teruo Kawada
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji 611-0011, Japan; Research Unit for Physiological Chemistry, The Center for the Promotion of Interdisciplinary Education and Research, Kyoto University, Kyoto 606-8501, Japan
| | - Tsuyoshi Goto
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji 611-0011, Japan; Research Unit for Physiological Chemistry, The Center for the Promotion of Interdisciplinary Education and Research, Kyoto University, Kyoto 606-8501, Japan.
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Akinmoladun AC, Bello M, Ibukun EO. Upregulation of PCSK9, rho kinase and cardiac troponin by Eucalyptus globulus leaf extract improves fructose-streptozotocin-induced diabetic cardiac dysfunction in rats. Arch Physiol Biochem 2023; 129:1219-1228. [PMID: 34270371 DOI: 10.1080/13813455.2021.1931340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 05/12/2021] [Indexed: 10/20/2022]
Abstract
CONTEXT The effect of Eucalyptus globulus in diabetic cardiac dysfunction and the possible mechanisms involved have not been explored. OBJECTIVE To evaluate the effect of ethanol leaf extract of E. globulus (NEE) on the cardiac function of fructose/streptozotocin-induced diabetic rats. MATERIALS AND METHODS Type-2 diabetes was induced in rats with 10% fructose feeding for 14 days and an intraperitoneal administration of 40 mg/kg streptozotocin. Diabetic animals were treated with NEE (100-400 mg/kg) or 5 mg/kg glibenclamide orally for 21 days. Biochemical assays, histopathological examination and analyses of PCSK9, Rho kinase and Cardiac troponin expression were performed. RESULTS The untreated diabetic group showed decreased expression of the genes, oxidative stress, dyslipidemia, increased activities of creatine kinase MB and lactate dehydrogenase, reduced nitric oxide level, and depletion of cardiomyocytes, which were reversed in NEE treated groups. CONCLUSIONS Eucalyptus globulus ameliorated diabetic cardiac dysfunction through increased PCSK9, Rho kinase and Cardiac troponin expression.
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Affiliation(s)
- Afolabi C Akinmoladun
- Phytomedicine, Biochemical Pharmacology and Toxicology Research Laboratories, Department of Biochemistry, School of Sciences, The Federal University of Technology, Akure, Nigeria
| | - Morenikejimi Bello
- Phytomedicine, Biochemical Pharmacology and Toxicology Research Laboratories, Department of Biochemistry, School of Sciences, The Federal University of Technology, Akure, Nigeria
| | - Emmanuel Oluwafemi Ibukun
- Phytomedicine, Biochemical Pharmacology and Toxicology Research Laboratories, Department of Biochemistry, School of Sciences, The Federal University of Technology, Akure, Nigeria
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Taha AM, Mahmoud AM, Ghonaim MM, Kamran A, AlSamhori JF, AlBarakat MM, Shrestha AB, Jaiswal V, Reiter RJ. Melatonin as a potential treatment for septic cardiomyopathy. Biomed Pharmacother 2023; 166:115305. [PMID: 37619482 DOI: 10.1016/j.biopha.2023.115305] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 08/02/2023] [Accepted: 08/07/2023] [Indexed: 08/26/2023] Open
Abstract
Septic cardiomyopathy (SCM) is a common complication of sepsis contributing to high mortality rates. Its pathophysiology involves complex factors, including inflammatory cytokines, mitochondrial dysfunction, oxidative stress, and immune dysregulation. Despite extensive research, no effective pharmacological agent has been established for sepsis-induced cardiomyopathy. Melatonin, a hormone with diverse functions in the body, has emerged as a potential agent for SCM through its anti-oxidant, anti-inflammatory, anti-apoptotic, and cardioprotective roles. Through various molecular levels of its mechanism of action, it counterattacks the adverse event of sepsis. Experimental studies have mentioned that melatonin protects against many cardiovascular diseases and exerts preventive effects on SCM. Moreover, melatonin has been investigated in combination with other drugs such as antibiotics, resveratrol, and anti-oxidants showing synergistic effects in reducing inflammation, anti-oxidant, and improving cardiac function. While preclinical studies have demonstrated positive results, clinical trials are required to establish the optimal dosage, route of administration, and treatment duration for melatonin in SCM. Its safety profile, low toxicity, and natural occurrence in the human body provide a favorable basis for its clinical use. This review aims to provide an overview of the current evidence of the use of melatonin in sepsis-induced cardiomyopathy (SICM). Melatonin appears to be promising as a possible treatment for sepsis-induced cardiomyopathy and demands further investigation.
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Affiliation(s)
- Amira Mohamed Taha
- Faculty of Medicine, Fayoum University, Fayoum, Egypt; Medical Research Group of Egypt (MRGE), Negida Academy, Arlington, MA, USA
| | | | | | - Ateeba Kamran
- Bachelor of Medicine, Bachelor of Surgery, Karachi Medical and Dental College, Karachi, Pakistan
| | | | - Majd M AlBarakat
- Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Abhigan Babu Shrestha
- Department of Internal Medicine, M Abdur Rahim Medical College, Dinajpur, Bangladesh.
| | | | - Russel J Reiter
- Department of Cell Systems and Anatomy, UT Health San Antonio, San Antonio, TX, USA
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Jia R, Zheng L, Zhang L, Huang X, Ren Q. mARC dependent NO synthesis activates CanA-Relish-AMPs signal pathway in Eriocheir sinensis during nitrite stress. FISH & SHELLFISH IMMUNOLOGY 2023; 141:109076. [PMID: 37726083 DOI: 10.1016/j.fsi.2023.109076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/10/2023] [Accepted: 09/13/2023] [Indexed: 09/21/2023]
Abstract
As a signal molecule, nitric oxide (NO) can induce the production of antimicrobial peptides (AMPs) in invertebrate innate immunity and is produced through NO synthase (NOS) oxidation or nitrite reduction. Although the role of NOS-derived NO has been extensively studied, studies on nitrite-dependent NO are relatively scarce. In this study, we identified a mitochondrial amidoxime reducing component (mARC), a kind of nitrite reductase, in Eriocheir sinensis. Under nitrite stress, the expression level of EsmARC in the intestine of E. sinensis increased, and the production of NO increased. Furthermore, EsmARC knockdown resulted in a remarkable decrease in NO concentration. These findings indicate that nitrite stress induces the expression of mARC, which promotes the production of NO in E. sinensis. In addition, the expression levels of AMPs in the intestine were upregulated under nitrite stress. Moreover, EsmARC knockdown resulted in the downregulated expression of AMPs. EsmARC plays a positive role in the synthesis of AMPs under nitrite stress. Calcineurin subunit A (CanA) is a serine/threonine protein phosphatase involved in the process by which NO regulates the expression of AMPs. EsCanA knockdown significantly inhibited the transcription of EsRelish and the expression of AMPs under nitrite stress, and EsRelish silencing resulted in the downregulated expression levels of AMPs under nitrite stress. These results indicate that nitrite stress activates the CanA-Relish-AMP pathway in E. sinensis. In summary, mARC-dependent NO synthesis activates the CanA-Relish-AMP signal pathway in E. sinensis during nitrite stress. This research provides novel insights into the relationship between nitrite stress and NO-dependent immune signal activation in crustaceans.
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Affiliation(s)
- Rui Jia
- Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, 210023, Jiangsu Province, China
| | - Liangmin Zheng
- Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, 210023, Jiangsu Province, China
| | - Lihua Zhang
- Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, 210023, Jiangsu Province, China
| | - Xin Huang
- Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, College of Marine Science and Engineering, Nanjing Normal University, Nanjing, 210023, Jiangsu Province, China.
| | - Qian Ren
- School of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing, 210044, Jiangsu Province, China.
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10
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Power AS, Asamudo E, Worthington LPI, Alim CC, Parackal R, Wallace RS, Ebenebe OV, Brown JH, Kohr MJ, Bers DM, Erickson JR. Nitric Oxide modulates spontaneous Ca 2+ release and ventricular arrhythmias during β-adrenergic signalling through S-nitrosylation of Calcium/Calmodulin dependent kinase II. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.23.554546. [PMID: 37662205 PMCID: PMC10473710 DOI: 10.1101/2023.08.23.554546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Rationale Nitric oxide (NO) has been identified as a signalling molecule generated during β-adrenergic receptor (AR) stimulation in the heart. Furthermore, a role for NO in triggering spontaneous Ca2+ release via S-nitrosylation of Ca2+/calmodulin kinase II delta (CaMKIIδ) is emerging. NO donors are routinely used clinically for their cardioprotective effects in the heart, but it is unknown how NO donors modulate the pro-arrhythmic CaMKII to alter cardiac arrhythmia incidence. Objective We test the role of S-nitrosylation of CaMKIIδ at the Cys-273 inhibitory site and Cys-290 activating site in cardiac Ca2+ handling and arrhythmogenesis before and during β-AR stimulation. Methods and Results We measured Ca2+-handling in isolated cardiomyocytes from C57BL/6J wild-type (WT) mice and mice lacking CaMKIIδ expression (CaMKIIδ-KO) or with deletion of the S-nitrosylation site on CaMKIIδ at Cys-273 or Cys-290 (CaMKIIδ-C273S and -C290A knock-in mice). Cardiomyocytes were exposed to NO donors, S-nitrosoglutathione (GSNO; 150 μM), sodium nitroprusside (SNP; 200 μM) and/or β-adrenergic agonist isoproterenol (ISO; 100 nM). WT and CaMKIIδ-KO cardiomyocytes treated with GSNO showed no change in Ca2+ transient or spark properties under baseline conditions (0.5 Hz stimulation frequency). Both WT and CaMKIIδ-KO cardiomyocytes responded to ISO with a full inotropic and lusitropic Ca2+ transient response as well as increased Ca2+ spark frequency. However, the increase in Ca2+ spark frequency was significantly attenuated in CaMKIIδ-KO cardiomyocytes. The protection from ISO-induced Ca2+ sparks and waves was mimicked by GSNO pre-treatment in WT cardiomyocytes, but lost in CaMKIIδ-C273S cardiomyocytes that displayed a robust increase in Ca2+ waves. This observation is consistent with CaMKIIδ-C273 S-nitrosylation being critical in limiting ISO-induced arrhythmogenic sarcoplasmic reticulum Ca2+ leak. When GSNO was applied after ISO this protection was not observed in WT or CaMKIIδ-C273S but was apparent in CaMKIIδ-C290A. In Langendorff-perfused isolated hearts, GSNO pre-treatment limited ISO-induced arrhythmias in WT but not CaMKIIδ-C273S hearts, while GSNO exposure after ISO sustained or exacerbated arrhythmic events. Conclusions We conclude that prior S-nitrosylation of CaMKIIδ at Cys-273 can limit subsequent β-AR induced arrhythmias, but that S-nitrosylation at Cys-290 might worsen or sustain β-AR-induced arrhythmias. This has important implications for the administration of NO donors in the clinical setting.
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Affiliation(s)
- Amelia S. Power
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand
- Department of Physiology, University of Auckland, Auckland, New Zealand
| | - Esther Asamudo
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand
- Department of Pharmacology, University of California, Davis
| | | | | | - Raquel Parackal
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand
| | - Rachel S. Wallace
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand
| | - Obialunanma V. Ebenebe
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Joan Heller Brown
- Department of Pharmacology, University of California, San Diego, La Jolla
| | - Mark J. Kohr
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Donald M. Bers
- Department of Pharmacology, University of California, Davis
| | - Jeffrey R. Erickson
- Department of Physiology and HeartOtago, University of Otago, Dunedin, New Zealand
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11
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Arrigo E, Comità S, Pagliaro P, Penna C, Mancardi D. Clinical Applications for Gasotransmitters in the Cardiovascular System: Are We There Yet? Int J Mol Sci 2023; 24:12480. [PMID: 37569855 PMCID: PMC10419417 DOI: 10.3390/ijms241512480] [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: 06/30/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
Ischemia is the underlying mechanism in a wide variety of acute and persistent pathologies. As such, understanding the fine intracellular events occurring during (and after) the restriction of blood supply is pivotal to improving the outcomes in clinical settings. Among others, gaseous signaling molecules constitutively produced by mammalian cells (gasotransmitters) have been shown to be of potential interest for clinical treatment of ischemia/reperfusion injury. Nitric oxide (NO and its sibling, HNO), hydrogen sulfide (H2S), and carbon monoxide (CO) have long been proven to be cytoprotective in basic science experiments, and they are now awaiting confirmation with clinical trials. The aim of this work is to review the literature and the clinical trials database to address the state of development of potential therapeutic applications for NO, H2S, and CO and the clinical scenarios where they are more promising.
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12
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Emodin protects against homocysteine-induced cardiac dysfunction by inhibiting oxidative stress via MAPK and Akt/eNOS/NO signaling pathways. Eur J Pharmacol 2023; 940:175452. [PMID: 36529277 DOI: 10.1016/j.ejphar.2022.175452] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 11/23/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022]
Abstract
Elevated levels of plasma homocysteine (Hcy) causes severe cardiac dysfunction, which is closely associated with oxidative stress. Emodin, a naturally occurring anthraquinone derivative, has been shown to exert antioxidant and anti-apoptosis activities. However, whether emodin could protect against Hcy-induced cardiac dysfunction remains unknown. The current study aimed to investigate the effects of emodin on the Hcy-induced cardiac dysfunction and its molecular mechanisms. Rats were fed a methionine diet to establish the animal model of hyperhomocysteinemia (HHcy). H9C2 cells were incubated with Hcy to induce a cell model of Hcy-injured cardiomyocytes. ELISA, HE staining, carotid artery and left ventricular cannulation, MTT, fluorescence staining, flow cytometry and western blotting were used in this study. Emodin significantly alleviated the structural damage of the myocardium and cardiac dysfunction from HHcy rats. Emodin prevented apoptosis and the collapse of MMP in the Hcy-treated H9C2 cells in vitro. Further, emodin reversed the Hcy-induced apoptosis-related biochemical changes including decreased Bcl-2/Bax protein ratio, and increased protein expression of Caspase-9/3. Moreover, emodin suppressed oxidative stress in Hcy-treated H9C2 cells. Mechanistically, emodin significantly inhibited the Hcy-activated MAPK by reducing ROS generation in H9C2 cells. Furthermore, emodin upregulated NO production by promoting the protein phosphorylation of Akt and eNOS in injured cells. The present study shows that emodin protects against Hcy-induced cardiac dysfunction by inhibiting oxidative stress via MAPK and Akt/eNOS/NO signaling pathways.
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13
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Pontes CNR, Scalzo S, Jesus ICG, Jesus EFD, Nunes ADDC, Mendonça MM, Mendes EP, Colugnati DB, Xavier CH, Pedrino GR, Guatimosim S, Castro CH. Angiotensin-(1-7) attenuates the negative inotropic response to acetylcholine in the heart. Peptides 2022; 158:170862. [PMID: 35998722 DOI: 10.1016/j.peptides.2022.170862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 08/17/2022] [Accepted: 08/17/2022] [Indexed: 02/09/2023]
Abstract
Previous studies have suggested that the Angiotensin-(1-7) [(Ang-(1-7)] can change cardiac function by modulating the autonomic nervous system. However, it is unknown whether the Ang-(1-7) can modulate the effect of acetylcholine (ACh) in ventricular contractility. Thus, this study aimed to investigate whether Ang-(1-7) modifies the amplitude of the cardiac cholinergic effects and if these effects are intrinsic to the heart. In anesthetized Wistar rats, Ang-(1-7) attenuated the effect of ACh in decreasing the left ventricular end-systolic pressure (LVESP), dP/dtmax, and dP/dtmin, but did not modify the hypotensive effect of ACh. Similarly, Ang-(1-7) attenuated the reduction of the LVESP, dP/dtmax, and dP/dtmin evoked by ACh in isolated hearts. These effects were blocked by the Mas receptor antagonist, A-779, but not by the adenylyl cyclase inhibitor MDL-12,330 A. Ang-(1-7) also attenuated the reduction in the maximum contraction and relaxation speeds and the shortening promoted by ACh in isolated cardiomyocytes. These data show that Ang-(1-7) acting through Mas receptor counter-regulates the myocardial contractile response to ACh in an arterial pressure and heart rate-independent manner.
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Affiliation(s)
- Carolina Nobre Ribeiro Pontes
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil
| | - Sérgio Scalzo
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Brazil
| | - Itamar Couto Guedes Jesus
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Brazil
| | - Erika Fernandes de Jesus
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil
| | - Allancer Divino de Carvalho Nunes
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil; Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Michelle Mendanha Mendonça
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil
| | - Elizabeth Pereira Mendes
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil
| | - Diego Basile Colugnati
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil
| | - Carlos Henrique Xavier
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil
| | - Gustavo Rodrigues Pedrino
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil
| | - Silvia Guatimosim
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Brazil
| | - Carlos Henrique Castro
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade Federal de Goiás, 74690-900 Goiânia, Brazil.
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14
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Carbone F, Liberale L, Preda A, Schindler TH, Montecucco F. Septic Cardiomyopathy: From Pathophysiology to the Clinical Setting. Cells 2022; 11:cells11182833. [PMID: 36139408 PMCID: PMC9496713 DOI: 10.3390/cells11182833] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/05/2022] [Accepted: 09/07/2022] [Indexed: 11/21/2022] Open
Abstract
The onset of cardiomyopathy is a common feature in sepsis, with relevant effects on its pathophysiology and clinical care. Septic cardiomyopathy is characterized by reduced left ventricular (LV) contractility eventually associated with LV dilatation with or without right ventricle failure. Unfortunately, such a wide range of ultrasonographic findings does not reflect a deep comprehension of sepsis-induced cardiomyopathy, but rather a lack of consensus about its definition. Several echocardiographic parameters intrinsically depend on loading conditions (both preload and afterload) so that it may be challenging to discriminate which is primitive and which is induced by hemodynamic perturbances. Here, we explore the state of the art in sepsis-related cardiomyopathy. We focus on the shortcomings in its definition and point out how cardiac performance dynamically changes in response to different hemodynamic clusters. A special attention is also given to update the knowledge about molecular mechanisms leading to myocardial dysfunction and that recall those of myocardial hibernation. Ultimately, the aim of this review is to highlight the unsolved issue in the field of sepsis-induced cardiomyopathy as their implementation would lead to improve risk stratification and clinical care.
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Affiliation(s)
- Federico Carbone
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa-Italian Cardiovascular Network, 16132 Genoa, Italy
| | - Luca Liberale
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa-Italian Cardiovascular Network, 16132 Genoa, Italy
| | - Alberto Preda
- Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Thomas Hellmut Schindler
- Mallinckrodt Institute of Radiology, Division of Nuclear Medicine, School of Medicine, Washington University, Saint Louis, MO 63110, USA
| | - Fabrizio Montecucco
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa-Italian Cardiovascular Network, 16132 Genoa, Italy
- Correspondence: or ; Tel.: +39-010-353-8996; Fax: +39-010-353-8686
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15
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Chen Y, Lyu K, Lu J, Jiang L, Zhu B, Liu X, Li Y, Liu X, Long L, Wang X, Xu H, Wang D, Li S. Biological response of extracorporeal shock wave therapy to tendinopathy in vivo (review). Front Vet Sci 2022; 9:851894. [PMID: 35942112 PMCID: PMC9356378 DOI: 10.3389/fvets.2022.851894] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 07/04/2022] [Indexed: 11/16/2022] Open
Abstract
Tendinopathy is a degenerative disease of the tendons caused by prolonged overstretching or overuse of the tendons. It accounts for a large proportion of musculoskeletal disorders which can occur in all age groups. The management of tendinopathy is typically conservative. In clinical practice, when other conservative treatments fail, extracorporeal shock wave therapy (ESWT) is normally used as an efficient alternative to surgical management. Several basic studies have shown that ESWT with lower energy flux densities can produce some biological responses in vivo to tendinopathy and may accelerate the initiation of the healing process in injured tendons. ESWT has a positive impact on the interactive chain of biological response, enhancing the signaling pathways of angiogenesis through mechanical conduction, and promoting cell proliferation and collagen formation. Finally, it helps tissue regeneration by controlling inflammation. The purpose of this review is to summarize the biological responses generated by ESWT in tendinopathy through a comprehensive review of the published literature. Although ESWT has been used clinically for the treatment of tendinopathies for nearly decades, less is known about the experimental studies of its biological effects on tendon tissue. Further studies on the biological response of ESWT for tendon injuries in vivo are needed in the future in order to provide better management to patients.
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Affiliation(s)
- Yixuan Chen
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Kexin Lyu
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Jingwei Lu
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Li Jiang
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Bin Zhu
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Xueli Liu
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Yujie Li
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Xinyue Liu
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Longhai Long
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Xiaoqiang Wang
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Houping Xu
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Houping Xu
| | - Dingxuan Wang
- School of Physical Education, Southwest Medical University, Luzhou, China
- Dingxuan Wang
| | - Sen Li
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- *Correspondence: Sen Li
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16
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Cornuault L, Rouault P, Duplàa C, Couffinhal T, Renault MA. Endothelial Dysfunction in Heart Failure With Preserved Ejection Fraction: What are the Experimental Proofs? Front Physiol 2022; 13:906272. [PMID: 35874523 PMCID: PMC9304560 DOI: 10.3389/fphys.2022.906272] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/01/2022] [Indexed: 11/13/2022] Open
Abstract
Heart failure with preserved ejection fraction (HFpEF) has been recognized as the greatest single unmet need in cardiovascular medicine. Indeed, the morbi-mortality of HFpEF is high and as the population ages and the comorbidities increase, so considerably does the prevalence of HFpEF. However, HFpEF pathophysiology is still poorly understood and therapeutic targets are missing. An unifying, but untested, theory of the pathophysiology of HFpEF, proposed in 2013, suggests that cardiovascular risk factors lead to a systemic inflammation, which triggers endothelial cells (EC) and coronary microvascular dysfunction. This cardiac small vessel disease is proposed to be responsible for cardiac wall stiffening and diastolic dysfunction. This paradigm is based on the fact that microvascular dysfunction is highly prevalent in HFpEF patients. More specifically, HFpEF patients have been shown to have decreased cardiac microvascular density, systemic endothelial dysfunction and a lower mean coronary flow reserve. Importantly, impaired coronary microvascular function has been associated with the severity of HF. This review discusses evidence supporting the causal role of endothelial dysfunction in the pathophysiology of HFpEF in human and experimental models.
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17
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Yan L, Wen M, Qin Y, Bi C, Zhao Y, Fan W, Yan J, Huang W, Liu Y. Soft Electrodes for Electrochemical and Electrophysiological Monitoring of Beating Cardiomyocytes. Angew Chem Int Ed Engl 2022; 61:e202203757. [DOI: 10.1002/anie.202203757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Li‐Ping Yan
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
| | - Ming‐Yong Wen
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
| | - Yu Qin
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
| | - Chen‐Xi Bi
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
| | - Yi Zhao
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
| | - Wen‐Ting Fan
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
| | - Jing Yan
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
| | - Wei‐Hua Huang
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
| | - Yan‐Ling Liu
- Sauvage Center for Molecular Sciences College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 China
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18
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Yan LP, Wen MY, Qin Y, Bi CX, Zhao Y, Fan WT, Yan J, Huang WH, Liu YL. Soft Electrodes for Electrochemical and Electrophysiological Monitoring of Beating Cardiomyocytes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Li-Ping Yan
- Wuhan University College of Chemistry and Molecular Sciences 430072 Wuhan CHINA
| | - Ming-Yong Wen
- Wuhan University College of Chemistry and Molecular Sciences 430072 Wuhan CHINA
| | - Yu Qin
- Wuhan University College of Chemistry and Molecular Sciences 430072 Wuhan CHINA
| | - Chen-Xi Bi
- Wuhan University College of Chemistry and Molecular Sciences 430072 Wuhan CHINA
| | - Yi Zhao
- Wuhan University College of Chemistry and Molecular Sciences 430072 Wuhan CHINA
| | - Wen-Ting Fan
- Wuhan University College of Chemistry and Molecular Sciences 430072 Wuhan CHINA
| | - Jing Yan
- Wuhan University College of Chemistry and Molecular Sciences 430072 Wuhan CHINA
| | - Wei-Hua Huang
- Wuhan University College of Chemistry and Molecular Sciences NO. 299, Bayi Road, Luojia Hill, Wuchang 430072 Wuhan CHINA
| | - Yan-Ling Liu
- Wuhan University College of Chemistry and Molecular Sciences 430072 Wuhan CHINA
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19
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Wang H, Yu X, Xun Z, Wu Y. Aqueous Extract of Andrographis paniculata Ameliorates Cardiotoxicity Induced by Doxorubicin in vivo. INT J PHARMACOL 2022. [DOI: 10.3923/ijp.2022.466.474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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20
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Imani A, Rajani SF, Rakhshan K, Faghihi M, Nemati M, Parsazadegan T. The role of nitric oxide on the antiarrhythmic effects of ketamine/xylazine in a rat model of acute cardiac ischemia-reperfusion. Curr Res Physiol 2022; 5:302-311. [PMID: 35856058 PMCID: PMC9287742 DOI: 10.1016/j.crphys.2022.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/21/2022] [Accepted: 06/30/2022] [Indexed: 11/10/2022] Open
Abstract
The prevalence of ventricular arrhythmias during general anesthesia is about 70%. In experimental studies on the antiarrhythmic effects of different agents, using anesthetic drugs that do not have any protective properties are preferable. The present study was conducted to investigate molecular mechanisms involved in the antiarrhythmic effects of ketamine/xylazine (K/X). Sixty male rats were assigned to eight groups: K/X, L -NAME (25–35 mg/kg) with thiopental (TP), L-NAME (25–35 mg/kg) with ketamine/xylazine, L arginine (100 mg/kg) with thiopental, L-arginine (100 mg/kg) with ketamine/xylazine. After anesthetic induction using TP or K/X, the animals were subjected to 30 min of ischemia. Hemodynamic parameters, ventricular arrhythmias during ischemia, the incidence of ventricular tachycardia (VT), and ventricular fibrillation (VF) were measured. Additionally, in order to assess nitrite/nitrate ratio and LDH after ischemia, serum samples were collected and used. Our results showed that in the K/X group, the number of VT and VF, duration of VT (p = 0.006), the severity of arrhythmias (p = 0.0179). There was no VF incidence in this group. These protective effects were faded by administration of L-NAME with K/X. The combination of L- Arginine in the TP group decreased the number and duration of VT (p < 0.001, p = 0.0013) with no incidence of VF in comparison with TP. L-arginine with K/X groups increased the number and duration of VT (p < 0.0001, p < 0.001) compared to K/X and VF was seen (100%). However, there was no significant difference between TP and K/X groups in terms of this nitrite/nitrate ratio. These findings suggest that the antiarrhythmic effects of ketamine/xylazine might be partially relative to the nitric oxide synthesis pathway. The prevalence of ventricular arrhythmias during general anesthesia is about 70%. ketamine/xylazine as common anesthetic agents have antiarrhythmic properties. The antiarrhythmic effects of ketamine/xylazine might be partially relative to the nitric oxide synthesis pathway.
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21
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Liu H, Nguyen HH, Yoon KT, Lee SS. Pathogenic Mechanisms Underlying Cirrhotic Cardiomyopathy. FRONTIERS IN NETWORK PHYSIOLOGY 2022; 2:849253. [PMID: 36926084 PMCID: PMC10013066 DOI: 10.3389/fnetp.2022.849253] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 02/18/2022] [Indexed: 12/14/2022]
Abstract
Cardiac dysfunction associated with cirrhosis in the absence of preexisting heart disease is a condition known as cirrhotic cardiomyopathy (CCM). Cardiac abnormalities consist of enlargement of cardiac chambers, attenuated systolic and diastolic contractile responses to stress stimuli, and repolarization changes. CCM may contribute to cardiovascular morbidity and mortality after liver transplantation and other major surgeries, and also to the pathogenesis of hepatorenal syndrome. The underlying mechanisms of CCM are poorly understood and as such medical therapy is an area of unmet medical need. The present review focuses on the pathogenic mechanisms responsible for development of CCM. The two major concurrent mechanistic pathways are the inflammatory phenotype due to portal hypertension, and protein/lipid synthetic/metabolic defects due to cirrhosis and liver insufficiency. The inflammatory phenotype arises from intestinal congestion due to portal hypertension, resulting in bacteria/endotoxin translocation into the systemic circulation. The cytokine storm associated with inflammation, particularly TNFα acting via NFκB depresses cardiac function. They also stimulate two evanescent gases, nitric oxide and carbon monoxide which produce cardiodepression by cGMP. Inflammation also stimulates the endocannabinoid CB-1 pathway. These systems inhibit the stimulatory beta-adrenergic contractile pathway. The liver insufficiency of cirrhosis is associated with defective synthesis or metabolism of several substances including proteins and lipids/lipoproteins. The protein defects including titin and collagen contribute to diastolic dysfunction. Other protein abnormalities such as a switch of myosin heavy chain isoforms result in systolic dysfunction. Lipid biochemical changes at the cardiac sarcolemmal plasma membrane result in increased cholesterol:phospholipid ratio and decreased membrane fluidity. Final common pathway changes involve abnormal cardiomyocyte intracellular ion kinetics, particularly calcium. In conclusion, cirrhotic cardiomyopathy is caused by two pathways of cellular and molecular dysfunction/damage due to hepatic insufficiency and portal hypertension.
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Affiliation(s)
- Hongqun Liu
- Liver Unit, University of Calgary Cumming School of Medicine, Calgary, AB, Canada
| | - Henry H Nguyen
- Liver Unit, University of Calgary Cumming School of Medicine, Calgary, AB, Canada
| | - Ki Tae Yoon
- Liver Center, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Samuel S Lee
- Liver Unit, University of Calgary Cumming School of Medicine, Calgary, AB, Canada
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22
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de Oliveira AA, Vergara A, Wang X, Vederas JC, Oudit GY. Apelin pathway in cardiovascular, kidney, and metabolic diseases: Therapeutic role of apelin analogs and apelin receptor agonists. Peptides 2022; 147:170697. [PMID: 34801627 DOI: 10.1016/j.peptides.2021.170697] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 02/07/2023]
Abstract
The apelin/apelin receptor (ApelinR) signal transduction pathway exerts essential biological roles, particularly in the cardiovascular system. Disturbances in the apelin/ApelinR axis are linked to vascular, heart, kidney, and metabolic disorders. Therefore, the apelinergic system has surfaced as a critical therapeutic strategy for cardiovascular diseases (including pulmonary arterial hypertension), kidney disease, insulin resistance, hyponatremia, preeclampsia, and erectile dysfunction. However, apelin peptides are susceptible to rapid degradation through endogenous peptidases, limiting their use as therapeutic tools and translational potential. These proteases include angiotensin converting enzyme 2, neutral endopeptidase, and kallikrein thereby linking the apelin pathway with other peptide systems. In this context, apelin analogs with enhanced proteolytic stability and synthetic ApelinR agonists emerged as promising pharmacological alternatives. In this review, we focus on discussing the putative roles of the apelin pathway in various physiological systems from function to dysfunction, and emphasizing the therapeutic potential of newly generated metabolically stable apelin analogs and non-peptide ApelinR agonists.
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Affiliation(s)
- Amanda A de Oliveira
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Ander Vergara
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Xiaopu Wang
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada; Department of Physiology, University of Alberta, Edmonton, Alberta, Canada
| | - John C Vederas
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Gavin Y Oudit
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada; Department of Physiology, University of Alberta, Edmonton, Alberta, Canada.
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Simultaneous imaging of hypochlorous acid and nitric oxide in live cells based on a dual-channel fluorescent probe. Anal Chim Acta 2021; 1183:338980. [PMID: 34627515 DOI: 10.1016/j.aca.2021.338980] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 07/24/2021] [Accepted: 08/19/2021] [Indexed: 11/24/2022]
Abstract
Both reactive oxygen species (ROS) and reactive nitrogen species (RNS) are inevitably produced during normal human metabolism. Various ROS and RNS together form tangled networks that play important roles in many physiological and pathological processes. Here we used 1,8-naphthalene diamine as a reactive group to develop a fluorescent probe, N-[2-(6-phenylethynyl)quinolinylmethyl]-1,8-diamino naphthalene (QBN), for HOCl and NO. QBN showed a "turn-on" fluorescent response at 464 nm to HOCl in the range of 0-75 μM with rapid responding time (10 s) and detection limit (0.11 ± 0.03 μM). Furthermore, a "turn-on" fluorescent responses at 512 nm to NO in the range of 0-40 μM with responding time (20 s) and detection limit (25.7 ± 3.4 nM) was found. The response mechanisms of QBN to HOCl and NO were discussed based on mass analysis of the different products. The dual-channel probe was then successfully applied for simultaneous imaging of both exogenous and endogenous HOCl and NO in live cells.
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Vargas-Ortíz JR, Böhnel HN, Gonzalez C, Esquivel K. Magnetic nanoparticle behavior evaluation on cardiac tissue contractility through Langendorff rat heart technique as a nanotoxicology parameter. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-02031-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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25
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Protopanaxadiol and protopanaxatriol ginsenosides can protect against aconitine-induced injury in H9c2 cells by maintaining calcium homeostasis and activating the AKT pathway. J Cardiovasc Pharmacol 2021; 78:e690-e702. [PMID: 34369901 DOI: 10.1097/fjc.0000000000001119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 07/15/2021] [Indexed: 10/20/2022]
Abstract
ABSTRACT The present study aimed to investigate the effects of protopanaxadiol and protopanaxatriol ginsenosides on aconitine induced cardiomyocyte injury and their regulatory mechanisms. The effects of ginsenosides on aconitine-induced cardiomyocyte damage were initially evaluated using H9c2 cells, and the molecular mechanisms were elucidated via molecular docking and western blotting. The changes in enzyme content, reactive oxygen species (ROS), calcium (Ca2+) concentration and apoptosis were determined. Furthermore, an aconitine-induced cardiac injury rat model was established, the cardiac injury and serum physiological and biochemical indexes were measured, and the effects of ginsenoside were observed. The results showed that ginsenoside Rb1 significantly increased aconitine-induced cell viability, and its binding conformation with AKT protein was the most significant. In vitro and in vivo, Rb1 protects cardiomyocytes from aconitine-induced injury by regulating oxidative stress levels and maintaining Ca2+ concentration homeostasis. Moreover, Rb1 activated the PI3K/AKT pathway, down-regulated Cleaved caspase-3 and Bax, and up-regulated Bcl-2 expression. In conclusion, Rb1 protected H9c2 cells from aconitine-induced injury by maintaining Ca2+ homeostasis and activating the PI3K/AKT pathway to induce a cascade response of downstream proteins, thereby protecting cardiomyocytes from damage. These results suggested that ginsenoside Rb1 may be a potential cardiac protective drug.
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Nóbrega OT, Campos-Staffico AM, Oliveira EK, Munhoz DB, Moura FA, Carvalho LSF, Soares AASM, Gomes CM, Tonet-Furioso AC, Sposito AC. Defective Allele of the Neuronal Nitric Oxide Synthase Gene Increases Insulin Resistance During Acute Phase of Myocardial Infarction. Int J Gen Med 2021; 14:3669-3676. [PMID: 34321912 PMCID: PMC8312503 DOI: 10.2147/ijgm.s313661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 06/30/2021] [Indexed: 11/23/2022] Open
Abstract
Background Glycemic disorders are strong predictors of mortality in ST-elevation myocardial infarction (STEMI) patients, and disruption in nitric oxide (NO) production is associated with insulin-resistant states. We evaluated whether a defective allele of the neuronal nitric oxide synthase (nNOS) gene (NOS1) might influence insulin response and blood-glucose balance during the acute phase of STEMI and if post-infarction total plasma-NO levels and vasodilation scores varied across nNOS genotypes. Methods Consecutive patients with STEMI (n=354) underwent clinical evaluations and genotyping for the promoter variation rs41279104. In-hospital clinical and blood evaluations were performed at admission and five days after STEMI, with glycemic, insulinemic, and disposition indices assessed at the same times. Flow-mediated dilation (FMD) was assessed by reactive hyperemia on the 30th day. Results Homozygotes for the defective allele (A) showed lower glycemia and insulin sensitivity on day 1 while showing the highest β-cell function and no changes in the circulating NO pool, which is compatible with hyperresponsive β cells counteracting the inherent glucose-resistant state of AA patients. At day 5, glycemic scores had shifted to indicate greater insulin sensitivity among A homozygotes, paralleled by a significant yet poor increase in NO bioavailability compared to that among G carriers. All in all, defective homozygotes showed greater insulin resistance at admission that had reversed by 5 days after STEMI. Even so, A carriers developed lower FMD scores compared to G homozygotes after the acute phase. Conclusion A defective nNOS allele (and due decline in NO production) seemed to elicit a hyperinsulinemia response to compensate for an insulin-resistant state during the acute phase of STEMI and to be associated with poor endothelial function after the acute phase.
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Affiliation(s)
- Otávio T Nóbrega
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Medicina, Universidade de Brasília (UnB), Brasília, DF, Brazil
| | | | - Elayne Kelen Oliveira
- Departamento de Cardiologia, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brazil
| | - Daniel B Munhoz
- Departamento de Cardiologia, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brazil
| | - Filipe A Moura
- Departamento de Cardiologia, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brazil
| | - Luis Sérgio F Carvalho
- Centro de Inovação, Ensino e Pesquisa, Instituto de Gestão Estratégica em Saúde do Distrito Federal, Brasília, DF, Brazil
| | - Alexandre Anderson S M Soares
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Medicina, Universidade de Brasília (UnB), Brasília, DF, Brazil.,Serviço de Cardiologia, Instituto Biocárdios, Brasília, DF, Brazil
| | - Ciro M Gomes
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Medicina, Universidade de Brasília (UnB), Brasília, DF, Brazil.,Laboratório de Dermatomicologia, Faculdade de Medicina, Universidade de Brasília (UnB), Brasília, DF, Brazil
| | - Audrey C Tonet-Furioso
- Programa de Pós-Graduação em Gerontologia, Universidade Católica de Brasília (UCB-DF), Taguatinga, DF, Brazil
| | - Andrei C Sposito
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Medicina, Universidade de Brasília (UnB), Brasília, DF, Brazil.,Departamento de Cardiologia, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brazil
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Luo Y, Li Z, Ge P, Guo H, Li L, Zhang G, Xu C, Chen H. Comprehensive Mechanism, Novel Markers and Multidisciplinary Treatment of Severe Acute Pancreatitis-Associated Cardiac Injury - A Narrative Review. J Inflamm Res 2021; 14:3145-3169. [PMID: 34285540 PMCID: PMC8286248 DOI: 10.2147/jir.s310990] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 06/15/2021] [Indexed: 12/12/2022] Open
Abstract
Acute pancreatitis (AP) is one of the common acute abdominal inflammatory diseases in clinic with acute onset and rapid progress. About 20% of the patients will eventually develop into severe acute pancreatitis (SAP) characterized by a large number of inflammatory cells infiltration, gland flocculus flaky necrosis and hemorrhage, finally inducing systemic inflammatory response syndrome (SIRS) and multiple organ dysfunction syndrome (MODS). Pancreatic enzyme activation, intestinal endotoxemia (IETM), cytokine activation, microcirculation disturbance, autonomic nerve dysfunction and autophagy dysregulation all play an essential role in the occurrence and progression of SAP. Organ dysfunction is the main cause of early death in SAP. Acute kidney injury (AKI) and acute lung injury (ALI) are common, while cardiac injury (CI) is not, but the case fatality risk is high. Many basic studies have observed obvious ultrastructure change of heart in SAP, including myocardial edema, cardiac hypertrophy, myocardial interstitial collagen deposition. Moreover, in clinical practice, patients with SAP often presented various abnormal electrocardiogram (ECG) and cardiac function. Cases complicated with acute myocardial infarction and pericardial tamponade have also been reported and even result in stress cardiomyopathy. Due to the molecular mechanisms underlying SAP-associated cardiac injury (SACI) remain poorly understood, and there is no complete, unified treatment and sovereign remedy at present, this article reviews reports referring to the pathogenesis, potential markers and treatment methods of SACI in recent years, in order to improve the understanding of cardiac injury in severe pancreatitis.
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Affiliation(s)
- YaLan Luo
- Institute (College) of Integrative Medicine, Dalian Medical University, Dalian, Liaoning, People's Republic of China.,Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China.,Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - ZhaoXia Li
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - Peng Ge
- Institute (College) of Integrative Medicine, Dalian Medical University, Dalian, Liaoning, People's Republic of China.,Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China.,Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - HaoYa Guo
- Institute (College) of Integrative Medicine, Dalian Medical University, Dalian, Liaoning, People's Republic of China.,Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China.,Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - Lei Li
- Department of Vascular Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - GuiXin Zhang
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - CaiMing Xu
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - HaiLong Chen
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China
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Abstract
Sepsis is the life-threatening organ dysfunction caused by a dysregulated host response to infection and is the leading cause of death in intensive care units. Cardiac dysfunction caused by sepsis, usually termed sepsis-induced cardiomyopathy, is common and has long been a subject of interest. In this Review, we explore the definition, epidemiology, diagnosis and pathophysiology of septic cardiomyopathy, with an emphasis on how best to interpret this condition in the clinical context. Advances in diagnostic techniques have increased the sensitivity of detection of myocardial abnormalities but have posed challenges in linking those abnormalities to therapeutic strategies and relevant clinical outcomes. Sophisticated methodologies have elucidated various pathophysiological mechanisms but the extent to which these are adaptive responses is yet to be definitively answered. Although the indications for monitoring and treating septic cardiomyopathy are clinical and directed towards restoring tissue perfusion, a better understanding of the course and implications of septic cardiomyopathy can help to optimize interventions and improve clinical outcomes.
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Schäfer M, Frank BS, Ivy DD, Abman SH, Stenmark KR, Mitchell MB, Browne LP, Barker AJ, Hunter KS, Kheyfets V, Miller-Reed K, Ing R, Morgan GJ, Truong U. Short-Term Effects of Inhaled Nitric Oxide on Right Ventricular Flow Hemodynamics by 4-Dimensional-Flow Magnetic Resonance Imaging in Children With Pulmonary Arterial Hypertension. J Am Heart Assoc 2021; 10:e020548. [PMID: 33821682 PMCID: PMC8174179 DOI: 10.1161/jaha.120.020548] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background Pulmonary arterial hypertension (PAH) manifests with progressive right ventricular (RV) dysfunction, which eventually impairs the left ventricular function. We hypothesized that 4‐dimensional–flow magnetic resonance imaging can detect flow hemodynamic changes associated with efficient intracardiac flow during noninvasive inhaled nitric oxide (iNO) challenge in children with PAH. Methods and Results Children with PAH (n=10) underwent 2 same‐day separate iNO challenge tests using: (1) 4‐dimensional–flow magnetic resonance imaging and (2) standard catheterization hemodynamics. Intracardiac flow was evaluated using the particle tracking 4‐flow component analysis technique evaluating the direct flow, retained inflow, delayed ejection flow, and residual volume. Respective flow hemodynamic changes were compared with the corresponding catheterization iNO challenge results. The RV analysis revealed decreased direct flow in patients with PAH when compared with controls (P<0.001) and increase in residual volume (P<0.001). Similarly, the left ventricular analysis revealed decreased direct flow in patients with PAH when compared with controls (P=0.004) and increased proportion of the residual volume (P=0.014). There was an increase in the RV direct flow during iNO delivery (P=0.009), with parallel decrease in the residual volume (P=0.008). Conclusions Children with PAH have abnormal biventricular flow associated with impaired diastolic filling. The flow efficiency is significantly improved in the RV on iNO administration with no change in the left ventricle. The changes in the RV flow have occurred despite the minimal change in catheterization hemodynamics, suggesting that flow hemodynamic evaluation might provide more quantitative insights into vasoreactivity testing in PAH.
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Affiliation(s)
- Michal Schäfer
- Division of Cardiology Heart Institute Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Benjamin S Frank
- Division of Cardiology Heart Institute Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - D Dunbar Ivy
- Division of Cardiology Heart Institute Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Steven H Abman
- Division of Pulmonology Breathing Institute Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Kurt R Stenmark
- Department of Critical Care and Pulmonary Medicine University of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Max B Mitchell
- Section of Congenital Heart Surgery Heart Institute Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Lorna P Browne
- Department of Radiology Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Alex J Barker
- Department of Radiology Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA.,Department of Bioengineering University of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Kendall S Hunter
- Department of Radiology Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Vitaly Kheyfets
- Department of Bioengineering University of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Kathleen Miller-Reed
- Division of Cardiology Heart Institute Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Richard Ing
- Department of Anesthesiology Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Gareth J Morgan
- Division of Cardiology Heart Institute Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA
| | - Uyen Truong
- Division of Cardiology Heart Institute Children's Hospital ColoradoUniversity of Colorado DenverAnschutz Medical Campus Aurora CO USA.,Heart Center Children's Hospital of RichmondVirginia Commonwealth University Richmond VA USA
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Marchetta P, Rüttiger L, Hobbs AJ, Singer W, Knipper M. The role of cGMP signalling in auditory processing in health and disease. Br J Pharmacol 2021; 179:2378-2393. [PMID: 33768519 DOI: 10.1111/bph.15455] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/10/2021] [Accepted: 03/17/2021] [Indexed: 11/29/2022] Open
Abstract
cGMP is generated by the cGMP-forming guanylyl cyclases (GCs), the intracellular nitric oxide (NO)-sensitive (soluble) guanylyl cyclase (sGC) and transmembrane GC (e.g. GC-A and GC-B). In summarizing the particular role of cGMP signalling for hearing, we show that GC generally do not interfere significantly with basic hearing function but rather sustain a healthy state for proper temporal coding, fast discrimination and adjustments during injury. sGC is critical for the integrity of the first synapse in the ascending auditory pathway, the inner hair cell synapse. GC-A promotes hair cell stability under stressful conditions such as acoustic trauma or ageing. GC-B plays a role in the development of efferent feed-back and gain control. Regarding the crucial role hearing has for language development, speech discrimination and cognitive brain functions, differential pharmaceutical targeting of GCs offers therapeutic promise for the restoration of hearing.
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Affiliation(s)
- Philine Marchetta
- Department of Otolaryngology, Head & Neck Surgery, Tübingen Hearing Research Centre (THRC), Molecular Physiology of Hearing, University of Tübingen, Tübingen, Germany
| | - Lukas Rüttiger
- Department of Otolaryngology, Head & Neck Surgery, Tübingen Hearing Research Centre (THRC), Molecular Physiology of Hearing, University of Tübingen, Tübingen, Germany
| | - Adrian J Hobbs
- William Harvey Research Institute, Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, UK
| | - Wibke Singer
- Department of Otolaryngology, Head & Neck Surgery, Tübingen Hearing Research Centre (THRC), Molecular Physiology of Hearing, University of Tübingen, Tübingen, Germany
| | - Marlies Knipper
- Department of Otolaryngology, Head & Neck Surgery, Tübingen Hearing Research Centre (THRC), Molecular Physiology of Hearing, University of Tübingen, Tübingen, Germany
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La Padula PH, Czerniczyniec A, Bonazzola P, Piotrkowski B, Vanasco V, Lores-Arnaiz S, Costa LE. Acute hypobaric hypoxia and cardiac energetic response in prepubertal rats: Role of nitric oxide. Exp Physiol 2021; 106:1235-1248. [PMID: 33724589 DOI: 10.1113/ep089064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 03/12/2021] [Indexed: 12/25/2022]
Abstract
NEW FINDINGS What is the central question of this study? In adult rat hearts, exposure to hypobaric hypoxia increases tolerance to hypoxia-reoxygenation, termed endogenous cardioprotection. The mechanism involves the nitric oxide system and modulation of mitochondrial oxygen consumption. What is the cardiac energetic response in prepubertal rats exposed to hypobaric hypoxia? What is the main finding and its importance? Prepubertal rats, unlike adult rats, did not increase tolerance to hypoxia-reoxygenation in response acute exposure to hypobaric hypoxia, which impaired cardiac contractile economy. This finding could be related to a failure to increase nitric oxide synthase expression, hence modulation of mitochondrial oxygen consumption and ATP production. ABSTRACT Studies in our laboratory showed that exposure of rats to hypobaric hypoxia (HH) increased the tolerance of the heart to hypoxia-reoxygenation (H/R), involving mitochondrial and cytosolic nitric oxide synthase (NOS) systems. The objective of the present study was to evaluate how the degree of somatic maturation could alter this healthy response. Prepubertal male rats were exposed for 48 h to a simulated altitude of 4400 m in a hypobaric chamber. The mechanical energetic activity in perfused hearts and the contractile functional capacity of NOS in isolated left ventricular papillary muscles were evaluated during H/R. Cytosolic nitric oxide (NO), production of nitrites/nitrates (Nx), expression of NOS isoforms, mitochondrial O2 consumption and ATP production were also evaluated. The left ventricular pressure during H/R was not improved by HH. However, the energetic activity was increased. Thus, the contractile economy (left ventricular pressure/energetic activity) decreased in HH. Nitric oxide did not modify papillary muscle contractility after H/R. Cytosolic p-eNOS-Ser1177 and inducible NOS expression were decreased by HH, but no changes were observed in NO production. Interestingly, HH increased Nx levels, but O2 consumption and ATP production in mitochondria were not affected by HH. Prepubertal rats exposed to HH preserved cardiac contractile function, but with a high energetic cost, modifying contractile economy. Although this could be related to the decreased NOS expression detected, cytosolic NO production was preserved, maybe through the Nx metabolic pathway, without modification of mitochondrial ATP production and O2 consumption. In this scenario, the treatment was unable to increase tolerance to H/R as observed in adult animals.
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Affiliation(s)
- Pablo H La Padula
- Facultad de Medicina, Instituto Alberto C. Taquini de Investigaciones en Medicina Traslacional (IATIMET), Universidad de Buenos Aires (UBA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Analia Czerniczyniec
- Facultad de Farmacia y Bioquímica, Instituto de Bioquímica y Medicina Molecular (IBIMOL), Universidad de Buenos Aires (UBA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Patricia Bonazzola
- Facultad de Medicina, Instituto Alberto C. Taquini de Investigaciones en Medicina Traslacional (IATIMET), Universidad de Buenos Aires (UBA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Bárbara Piotrkowski
- Facultad de Farmacia y Bioquímica, Instituto de Bioquímica y Medicina Molecular (IBIMOL), Universidad de Buenos Aires (UBA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Virginia Vanasco
- Facultad de Farmacia y Bioquímica, Instituto de Bioquímica y Medicina Molecular (IBIMOL), Universidad de Buenos Aires (UBA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Silvia Lores-Arnaiz
- Facultad de Farmacia y Bioquímica, Instituto de Bioquímica y Medicina Molecular (IBIMOL), Universidad de Buenos Aires (UBA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Lidia E Costa
- Facultad de Medicina, Instituto Alberto C. Taquini de Investigaciones en Medicina Traslacional (IATIMET), Universidad de Buenos Aires (UBA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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do Vale GT, da Silva CBP, Sousa AH, Gonzaga NA, Parente JM, Araújo KM, Castro MM, Tirapelli CR. Nebivolol Prevents Up-Regulation of Nox2/NADPH Oxidase and Lipoperoxidation in the Early Stages of Ethanol-Induced Cardiac Toxicity. Cardiovasc Toxicol 2021; 21:224-235. [PMID: 33067693 DOI: 10.1007/s12012-020-09614-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 10/10/2020] [Indexed: 12/13/2022]
Abstract
Changes in redox state are described in the early stages of ethanol-induced cardiac toxicity. Here, we evaluated whether nebivolol would abrogate ethanol-induced redox imbalance in the heart. Male Wistar rats were treated with a solution of ethanol (20% v/v) for 3 weeks. Treatment with nebivolol (10 mg/kg/day; p.o. gavage) prevented the increase of both superoxide (O2•-) and thiobarbituric acid reactive substances (TBARS) in the left ventricle of rats chronically treated with ethanol. Neither ethanol nor nebivolol affected the expression of Nox4, p47phox, or Rac-1. Nebivolol prevented ethanol-induced increase of Nox2 expression in the left ventricle. Superoxide dismutase (SOD) activity as well as the concentration of reduced glutathione (GSH) was not altered by ethanol or nebivolol. Augmented catalase activity was detected in the left ventricle of both ethanol- and nebivolol-treated rats. Treatment with nebivolol, but not ethanol increased eNOS expression in the left ventricle. No changes in the activity of matrix metalloproteinase (MMP)2 or in the expressions of MMP2, MMP9, and tissue inhibitor metalloproteinase (TIMP)1 were detected after treatment with ethanol or nebivolol. However, ethanol increased the expression of TIMP2, and this response was prevented by nebivolol. Our results provided novel insights into the mechanisms underlying the early stages of the cardiac injury induced by ethanol consumption. We demonstrated that Nox2/NADPH oxidase-derived ROS play a role in ethanol-induced lipoperoxidation and that this response was prevented by nebivolol. In addition, we provided evidence that MMPs are not activated in the early stages of ethanol-induced cardiac toxicity.
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Affiliation(s)
- Gabriel T do Vale
- Universidade do Estado de Minas Gerais (UEMG), Passos, MG, Brazil
- Programa de Pós-Graduação em Farmacologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Carla B P da Silva
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Programa de Pós-graduação em Toxicologia, USP, Ribeirão Preto, SP, Brazil
- Laboratório de Farmacologia Cardiovascular, DEPCH, Escola de Enfermagem de Ribeirão Preto, Universidade de São Paulo, USP, Avenida Bandeirantes 3900, CEP 14040-902, Ribeirão Preto, SP, Brazil
| | - Arthur H Sousa
- Laboratório de Farmacologia Cardiovascular, DEPCH, Escola de Enfermagem de Ribeirão Preto, Universidade de São Paulo, USP, Avenida Bandeirantes 3900, CEP 14040-902, Ribeirão Preto, SP, Brazil
| | - Natália A Gonzaga
- Programa de Pós-Graduação em Farmacologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
- Laboratório de Farmacologia Cardiovascular, DEPCH, Escola de Enfermagem de Ribeirão Preto, Universidade de São Paulo, USP, Avenida Bandeirantes 3900, CEP 14040-902, Ribeirão Preto, SP, Brazil
| | - Juliana M Parente
- Programa de Pós-Graduação em Farmacologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Katiúscia M Araújo
- Laboratório de Farmacologia Cardiovascular, DEPCH, Escola de Enfermagem de Ribeirão Preto, Universidade de São Paulo, USP, Avenida Bandeirantes 3900, CEP 14040-902, Ribeirão Preto, SP, Brazil
| | - Michele M Castro
- Programa de Pós-Graduação em Farmacologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Carlos R Tirapelli
- Laboratório de Farmacologia Cardiovascular, DEPCH, Escola de Enfermagem de Ribeirão Preto, Universidade de São Paulo, USP, Avenida Bandeirantes 3900, CEP 14040-902, Ribeirão Preto, SP, Brazil.
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Al-Attar R, Storey KB. RAGE against the stress: Mitochondrial suppression in hypometabolic hearts. Gene 2020; 761:145039. [PMID: 32777527 DOI: 10.1016/j.gene.2020.145039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/19/2020] [Accepted: 08/04/2020] [Indexed: 12/22/2022]
Abstract
The wood frog (Rana sylvatica) can tolerate full body freezing in winter. As a protective response, wood frogs dehydrate their cells and accumulate large quantities of glucose as an intracellular cryoprotectant. Freezing causes ischemia since blood delivery to organs is interrupted. Fascinatingly, wood frogs can tolerate dehydration, extreme hyperglycemia, and anoxia independently of freezing. In response to low oxygen levels, wood frogs strategically reduce their metabolic rates and allocate the finite amount of intracellular fuel available to pro-survival processes while reducing or interrupting all others. In this study, the involvement of advanced glycation end products (AGEs) and the high mobility group box 1 (HMGB1) protein in activating RAGE (AGE receptor) were investigated. The results show that freezing, anoxia and dehydration induced the expression of total HMGB1 and its acetylation in the heart. RAGE levels were induced in response to all stress conditions, which resulted in differential regulation of the ETS1 transcription factor. While the nuclear localization of total ETS1 was not affected, the DNA binding activity of total and its active form increased in response to freezing and dehydration but not in response to anoxia. Current results indicate that ETS1 acts as a transcriptional activator for peroxiredoxin 1 in response to freezing but acts as a transcriptional repressor of several nuclear-encoded mitochondrial genes in response to all stresses. Altogether, current results show that the HMGB1/RAGE axis may activate ETS1 and that this activation could result in both transcriptional activation and/or repression in a stress-dependent manner.
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Affiliation(s)
- Rasha Al-Attar
- Institude of Biochemistry and Department of Biology, Carleton University, Ottawa, ON K1S-5B6, Canada
| | - Kenneth B Storey
- Institude of Biochemistry and Department of Biology, Carleton University, Ottawa, ON K1S-5B6, Canada.
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Silva H, Lopes NMF. Cardiovascular Effects of Caffeic Acid and Its Derivatives: A Comprehensive Review. Front Physiol 2020; 11:595516. [PMID: 33343392 PMCID: PMC7739266 DOI: 10.3389/fphys.2020.595516] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 10/19/2020] [Indexed: 12/16/2022] Open
Abstract
Caffeic acid (CA) and its phenethyl ester (CAPE) are naturally occurring hydroxycinnamic acids with an interesting array of biological activities; e.g., antioxidant, anti-inflammatory, antimicrobial and cytostatic. More recently, several synthetic analogs have also shown similar properties, and some with the advantage of added stability. The actions of these compounds on the cardiovascular system have not been thoroughly explored despite presenting an interesting potential. Indeed the mechanisms underlying the vascular effects of these compounds particularly need clarifying. The aim of this paper is to provide a comprehensive and up-to-date review on current knowledge about CA and its derivatives in the cardiovascular system. Caffeic acid, CAPE and the synthetic caffeic acid phenethyl amide (CAPA) exhibit vasorelaxant activity by acting on the endothelial and vascular smooth muscle cells. Vasorelaxant mechanisms include the increased endothelial NO secretion, modulation of calcium and potassium channels, and modulation of adrenergic receptors. Together with a negative chronotropic effect, vasorelaxant activity contributes to lower blood pressure, as several preclinical studies show. Their antioxidant, anti-inflammatory and anti-angiogenic properties contribute to an important anti-atherosclerotic effect, and protect tissues against ischemia/reperfusion injuries and the cellular dysfunction caused by different physico-chemical agents. There is an obvious shortage of in vivo studies to further explore these compounds' potential in vascular physiology. Nevertheless, their favorable pharmacokinetic profile and overall lack of toxicity make these compounds suitable for clinical studies.
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Affiliation(s)
- Henrique Silva
- CBIOS – Universidade Lusófona’s Research Center for Biosciences and Health Technologies, Lisboa, Portugal
- Department of Pharmacological Sciences, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Nuno Miguel F. Lopes
- Department of Pharmacological Sciences, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
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Estévez-Lao TY, Sigle LT, Gomez SN, Hillyer JF. Nitric oxide produced by periostial hemocytes modulates the bacterial infection-induced reduction of the mosquito heart rate. J Exp Biol 2020; 223:jeb225821. [PMID: 32561636 DOI: 10.1242/jeb.225821] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 06/16/2020] [Indexed: 12/21/2022]
Abstract
The circulatory and immune systems of mosquitoes are functionally integrated. An infection induces the migration of hemocytes to the dorsal vessel, and specifically, to the regions surrounding the ostia of the heart. These periostial hemocytes phagocytose pathogens in the areas of the hemocoel that experience the highest hemolymph flow. Here, we investigated whether a bacterial infection affects cardiac rhythmicity in the African malaria mosquito, Anopheles gambiae We discovered that infection with Escherichia coli, Staphylococcus aureus and Staphylococcus epidermidis, but not Micrococcus luteus, reduces the mosquito heart rate and alters the proportional directionality of heart contractions. Infection does not alter the expression of genes encoding crustacean cardioactive peptide (CCAP), FMRFamide, corazonin, neuropeptide F or short neuropeptide F, indicating that they do not drive the cardiac phenotype. Infection upregulates the transcription of two superoxide dismutase (SOD) genes, catalase and a glutathione peroxidase, but dramatically induces upregulation of nitric oxide synthase (NOS) in both the heart and hemocytes. Within the heart, nitric oxide synthase is produced by periostial hemocytes, and chemically inhibiting the production of nitric oxide using l-NAME reverses the infection-induced cardiac phenotype. Finally, infection induces the upregulation of two lysozyme genes in the heart and other tissues, and treating mosquitoes with lysozyme reduces the heart rate in a manner reminiscent of the infection phenotype. These data demonstrate an exciting new facet of the integration between the immune and circulatory systems of insects, whereby a hemocyte-produced factor with immune activity, namely nitric oxide, modulates heart physiology.
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Affiliation(s)
- Tania Y Estévez-Lao
- Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA
| | - Leah T Sigle
- Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA
| | - Scherly N Gomez
- Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA
| | - Julián F Hillyer
- Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA
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Djague F, Lunga PK, Toghueo KRM, Melogmo DYK, Fekam BF. Garcinia kola (Heckel) and Alchornea cordifolia (Schumach. & Thonn.) Müll. Arg. from Cameroon possess potential antisalmonellal and antioxidant properties. PLoS One 2020; 15:e0237076. [PMID: 32750082 PMCID: PMC7402511 DOI: 10.1371/journal.pone.0237076] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/19/2020] [Indexed: 11/19/2022] Open
Abstract
Drug resistant Salmonella species and shortcomings related to current drugs stress the urgent need to search for new antimicrobial agents to control salmonellosis. This study investigated the antisalmonellal and antioxidant potentials of methanolic and hydro-ethanolic extracts of Garcinia kola and Alchornea cordifolia as potential sources of drugs to control Salmonella species and to reduce related oxidative stress. The antisalmonellal activity was assessed using the broth microdilution, membrane destabilization and time-kill kinetic assays. While, the DPPH, ABTS and FRAP assays were used for the determination of the antioxidant activities. The minimum inhibitory concentrations ranged from 125 to 1000 μg/mL, with the methanolic root extract of G. kola being the most active. The time kill kinetic assay revealed a concentration-dependent bacteriostatic activity for promising extracts. Potent extracts from G. kola showed the ability to destabilize S. typhi outer membrane, with the methanolic root extract presenting the highest activity; two-fold higher than those of polymyxin B tested as reference. In addition, this methanolic root extract of G. kola also provoked nucleotide leakage in a concentration-dependent manner. From the antioxidant assays, the hydro-ethanolic extract from the stem bark of A. cordifolia presented significant activities comparable to that of Vitamin C. The methanolic root extract of G. kola also presented appreciable antioxidant activities, though less than that of A. cordifolia. Overall, the phytochemical screening of active extracts revealed the presence of anthocyanins, flavonoids, glycosides, phenols, tannins, triterpenoids and steroids. These results provide evidence of the antibacterial potential of G. kola and offer great perspectives in a possible standardisation of an antisalmonellal phytomedicine.
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Affiliation(s)
- Fred Djague
- Antimicrobial and Biocontrol Agents Unit (AmBcAU), Laboratory for Phytobiochemistry and Medicinal Plants Studies, Department of Biochemistry, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
| | - Paul Keilah Lunga
- Antimicrobial and Biocontrol Agents Unit (AmBcAU), Laboratory for Phytobiochemistry and Medicinal Plants Studies, Department of Biochemistry, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
- * E-mail: ,
| | - Kouipou Rufin Marie Toghueo
- Antimicrobial and Biocontrol Agents Unit (AmBcAU), Laboratory for Phytobiochemistry and Medicinal Plants Studies, Department of Biochemistry, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
| | - Dongmo Yanick Kevin Melogmo
- Antimicrobial and Biocontrol Agents Unit (AmBcAU), Laboratory for Phytobiochemistry and Medicinal Plants Studies, Department of Biochemistry, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
| | - Boyom Fabrice Fekam
- Antimicrobial and Biocontrol Agents Unit (AmBcAU), Laboratory for Phytobiochemistry and Medicinal Plants Studies, Department of Biochemistry, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
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Sevoflurane Preconditioning Prevents Septic Myocardial Dysfunction in Lipopolysaccharide-Challenged Mice. J Cardiovasc Pharmacol 2020; 74:462-473. [PMID: 31425341 DOI: 10.1097/fjc.0000000000000734] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Myocardial dysfunction accompanied by severe sepsis could significantly increase the mortality rate of septic patients. This study investigated the effects and the potential mechanisms of sevoflurane preconditioning on septic myocardial dysfunction, which was induced by lipopolysaccharide (LPS; from Escherichia coli O55:B5; 18 mg/kg) in mice. Results indicated that 1 hour after the administration, LPS induced a significant increase in cell-surface Toll-like receptor 4 (TLR4), cytoplasmic IKKα protein expression, and nuclear translocation of nuclear factor kappa-B (NF-κB) protein (P < 0.05), which was attenuated by preconditioning with sevoflurane. Two hours after the administration, inhalation of sevoflurane significantly reduced the serum levels of tumor necrosis factor-alpha (TNF-α), interleukin (IL)-1β, and IL-10 (P < 0.05). Twelve hours after administration, LPS caused pathological damage to the heart and elevated the serum levels of lactate dehydrogenase (LDH) and creatine kinase-MB (P < 0.05). Echocardiography indicated that sevoflurane preconditioning significantly improved systolic and diastolic function. The inhalation of sevoflurane inhibited increases in myeloperoxidase (MPO), macrophage inflammatory protein-2 (MIP-2), TNF-α, and IL-1β levels (P < 0.05) induced by endotoxemia, whereas IL-6 release was facilitated. Sevoflurane attenuated the myocardial levels of nitric oxide (P < 0.05) without an apparent influence on malondialdehyde (MDA) or superoxide dismutase (P > 0.05). In conclusion, our study indicates that exposure to 2% sevoflurane before LPS challenge is protective against myocardial dysfunction. Sevoflurane preconditioning may attenuate neutrophil infiltration and the release of inflammatory mediators during endotoxemia.
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Woessner MN, Levinger I, Allen JD, McIlvenna LC, Neil C. The Effect of Dietary Inorganic Nitrate Supplementation on Cardiac Function during Submaximal Exercise in Men with Heart Failure with Reduced Ejection Fraction (HFrEF): A Pilot Study. Nutrients 2020; 12:nu12072132. [PMID: 32709051 PMCID: PMC7400930 DOI: 10.3390/nu12072132] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/03/2020] [Accepted: 07/13/2020] [Indexed: 12/20/2022] Open
Abstract
Heart failure with reduced ejection fraction (HFrEF) is a common end point for patients with coronary artery disease and it is characterized by exercise intolerance due, in part, to a reduction in cardiac output. Nitric oxide (NO) plays a vital role in cardiac function and patients with HFrEF have been identified as having reduced vascular NO. This pilot study aimed to investigate if nitrate supplementation could improve cardiac measures during acute, submaximal exercise. Five male participants (61 ± 3 years) with HFrEF (EF 32 ± 2.2%) completed this pilot study. All participants supplemented with inorganic nitrate (beetroot juice) or a nitrate-depleted placebo for ~13 days prior to testing. Participants completed a three-stage submaximal exercise protocol on a recumbent cycle ergometer with simultaneous echocardiography for calculation of cardiac output (Q), stroke volume (SV), and total peripheral resistance (TPR). Heart rate and blood pressure were measured at rest and during each stage. Both plasma nitrate (mean = ~1028%, p = 0.004) and nitrite (mean = ~109%, p = 0.01) increased following supplementation. There were no differences between interventions at rest, but the percent change in SV and Q from rest to stage two and stage three of exercise was higher following nitrate supplementation (all p > 0.05, ES > 0.8). Both interventions showed decreases in TPR during exercise, but the percent reduction TPR in stages two and three was greater following nitrate supplementation (p = 0.09, ES = 0.98 and p = 0.14, ES = 0.82, respectively). There were clinically relevant increases in cardiac function during exercise following supplementation with nitrate. The findings from this pilot study warrant further investigation in larger clinical trials.
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Affiliation(s)
- Mary N. Woessner
- Institute for Health and Sport (IHES), Victoria University, Melbourne, VIC 3011, Australia; (I.L.); (J.D.A.); (L.C.M.); (C.N.)
- Correspondence: ; Tel.: +61-04-2169-2161
| | - Itamar Levinger
- Institute for Health and Sport (IHES), Victoria University, Melbourne, VIC 3011, Australia; (I.L.); (J.D.A.); (L.C.M.); (C.N.)
- Australian Institute for Musculoskeletal Science (AIMSS), Western Health, St Albans, VIC 3021, Australia
| | - Jason D. Allen
- Institute for Health and Sport (IHES), Victoria University, Melbourne, VIC 3011, Australia; (I.L.); (J.D.A.); (L.C.M.); (C.N.)
- Department of Kinesiology & Division of Cardiovascular Medicine, University of Virginia, Charlottesville, VA 22903, USA
| | - Luke C. McIlvenna
- Institute for Health and Sport (IHES), Victoria University, Melbourne, VIC 3011, Australia; (I.L.); (J.D.A.); (L.C.M.); (C.N.)
| | - Christopher Neil
- Institute for Health and Sport (IHES), Victoria University, Melbourne, VIC 3011, Australia; (I.L.); (J.D.A.); (L.C.M.); (C.N.)
- Department of Medicine-Western Health, University of Melbourne, St Albans, VIC 3021, Australia
- Western Health Chronic Disease Alliance, University of Melbourne, St Albans, VIC 3021 Australia
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de Freitas MAG, Amaral NO, Álvares ADCM, de Oliveira SA, Mehdad A, Honda DE, Bessa ASM, Ramada MHS, Naves LM, Pontes CNR, Castro CH, Pedrino GR, de Freitas SM. Blood pressure-lowering effects of a Bowman-Birk inhibitor and its derived peptides in normotensive and hypertensive rats. Sci Rep 2020; 10:11680. [PMID: 32669617 PMCID: PMC7363796 DOI: 10.1038/s41598-020-66624-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 05/12/2020] [Indexed: 12/14/2022] Open
Abstract
Bioactive plant peptides have received considerable interest as potential antihypertensive agents with potentially fewer side effects than antihypertensive drugs. Here, the blood pressure-lowering effects of the Bowman-Birk protease inhibitor, BTCI, and its derived peptides, PepChy and PepTry, were investigated using normotensive (Wistar-WR) and spontaneously hypertensive rats (SHR). BTCI inhibited the proteases trypsin and chymotrypsin, respectively, at 6 µM and 40 µM, a 10-fold greater inhibition than observed with PepTry (60 µM) and PepChy (400 µM). These molecules also inhibited angiotensin converting enzyme (ACE) with IC50 values of 54.6 ± 2.9; 24.7 ± 1.1; and 24.4 ± 1.1 µM, respectively, occluding its catalytic site, as indicated by molecular docking simulation, mainly for PepChy and PepTry. Gavage administration of BTCI and the peptides promoted a decrease of systolic and diastolic blood pressure and an increase of renal and aortic vascular conductance. These effects were more expressive in SHR than in WR. Additionally, BTCI, PepChy and PepTry promoted coronary vasodilation and negative inotropic effects in isolated perfused hearts. The nitric oxide synthase inhibitor blunted the BTCI and PepChy, with no cardiac effects on PepTry. The findings of this study indicate a therapeutic potential of BTCI and its related peptides in the treatment of hypertension.
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Affiliation(s)
- Maria Alzira Garcia de Freitas
- Biology Institute, Department of Cell Biology, Laboratory of Biophysics, University of Brasília (UnB), Quadra 604, Asa Norte, Bloco J 1° andar, Brasília, DF, 70910-900, Brazil
| | - Nathalia Oda Amaral
- Center of Neuroscience and Cardiovascular Physiology; Department of Physiological Sciences, Biological Sciences Institute, Federal University of Goiás, Goiânia, GO, 74690-900, Brazil
| | - Alice da Cunha Morales Álvares
- Biology Institute, Department of Cell Biology, Laboratory of Biophysics, University of Brasília (UnB), Quadra 604, Asa Norte, Bloco J 1° andar, Brasília, DF, 70910-900, Brazil
| | - Sandriele Aires de Oliveira
- Biology Institute, Department of Cell Biology, Laboratory of Biophysics, University of Brasília (UnB), Quadra 604, Asa Norte, Bloco J 1° andar, Brasília, DF, 70910-900, Brazil
| | - Azadeh Mehdad
- Biology Institute, Department of Cell Biology, Laboratory of Biophysics, University of Brasília (UnB), Quadra 604, Asa Norte, Bloco J 1° andar, Brasília, DF, 70910-900, Brazil
| | - Diego Elias Honda
- Biology Institute, Department of Cell Biology, Laboratory of Biophysics, University of Brasília (UnB), Quadra 604, Asa Norte, Bloco J 1° andar, Brasília, DF, 70910-900, Brazil
| | - Amanda Sá Martins Bessa
- Integrative Laboratory of Cardiovascular and Neurological Pathophysiology; Department of Physiological Sciences, Biological Sciences Institute, Federal University of Goiás, Goiânia, GO, 74690-900, Brazil
| | - Marcelo Henrique Soller Ramada
- Graduate Program in Genomic Science and Biotechnology, and Graduate Program in Gerontology, Catholic University of Brasília, Brasília, DF, 70790-160, Brazil
| | - Lara Marques Naves
- Center of Neuroscience and Cardiovascular Physiology; Department of Physiological Sciences, Biological Sciences Institute, Federal University of Goiás, Goiânia, GO, 74690-900, Brazil
| | - Carolina Nobre Ribeiro Pontes
- Integrative Laboratory of Cardiovascular and Neurological Pathophysiology; Department of Physiological Sciences, Biological Sciences Institute, Federal University of Goiás, Goiânia, GO, 74690-900, Brazil
| | - Carlos Henrique Castro
- Integrative Laboratory of Cardiovascular and Neurological Pathophysiology; Department of Physiological Sciences, Biological Sciences Institute, Federal University of Goiás, Goiânia, GO, 74690-900, Brazil
| | - Gustavo Rodrigues Pedrino
- Center of Neuroscience and Cardiovascular Physiology; Department of Physiological Sciences, Biological Sciences Institute, Federal University of Goiás, Goiânia, GO, 74690-900, Brazil.
| | - Sonia Maria de Freitas
- Biology Institute, Department of Cell Biology, Laboratory of Biophysics, University of Brasília (UnB), Quadra 604, Asa Norte, Bloco J 1° andar, Brasília, DF, 70910-900, Brazil.
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Role of nitric oxide in mediating the cardioprotective effect of agomelatine against isoproterenol-induced myocardial injury in rats. Naunyn Schmiedebergs Arch Pharmacol 2020; 393:1809-1823. [DOI: 10.1007/s00210-020-01860-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 03/24/2020] [Indexed: 12/19/2022]
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Therapeutic potential of miR-21 regulation by human peripheral blood derived-small extracellular vesicles in myocardial infarction. Clin Sci (Lond) 2020; 134:985-999. [DOI: 10.1042/cs20191077] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 04/03/2020] [Accepted: 04/15/2020] [Indexed: 01/15/2023]
Abstract
Abstract
Small extracellular vesicles (sEVs) as natural membranous vesicles are on the frontiers of nanomedical research, due to their ability to deliver therapeutic molecules such as microRNAs (miRNAs). The miRNA-21 (miR-21) is thought to be involved in the initiation and development of myocardial infarction (MI). Here, we examined whether miR-21 regulation using human peripheral blood-derived sEVs (PB-sEVs) could serve as a potential therapeutic strategy for MI. First, we examined miR-21 levels in hypoxic conditions and validated the ability of PB-sEVs to serve as a potential delivery system for miRNAs. Further, bioinformatics analysis and luciferase assay were performed to identify target genes of miR-21 mechanistically. Among numerous target pathways, we focused on nitrogen metabolism, which remains relatively unexplored compared with other possible miR-21-mediated pathways; hence, we aimed to determine novel target genes of miR-21 related to nitrogen metabolism. In hypoxic conditions, the expression of miR-21 was significantly up-regulated and correlated with nitric oxide synthase 3 (NOS3) levels, which in turn influences cardiac function. The down-regulation of miR-21 expression by PB-sEVs loaded with anti-miR-21 significantly improved survival rates, consistent with the augmentation of cardiac function. However, the up-regulation of miR-21 expression by PB-sEVs loaded with miR-21 reversed these effects. Mechanistically, miR-21 targeted and down-regulated the mRNA and protein expression of striatin (STRN), which could regulate NOS3 expression. In conclusion, we identified a novel therapeutic strategy to improve cardiac function by regulating the expression of miR-21 with PB-sEVs as an miR-21 or anti-miR-21 delivery vehicle and confirmed the miR-21-associated nitrogen metabolic disorders in MI.
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Wunpathe C, Maneesai P, Rattanakanokchai S, Bunbupha S, Kukongviriyapan U, Tong-un T, Pakdeechote P. Tangeretin mitigates l-NAME-induced ventricular dysfunction and remodeling through the AT1R/pERK1/2/pJNK signaling pathway in rats. Food Funct 2020; 11:1322-1333. [DOI: 10.1039/c9fo02365h] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Tangeretin alleviates ventricular alterations in l-NAME hypertensive rats.
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Affiliation(s)
- Chutamas Wunpathe
- Department of Physiology
- Faculty of Medicine
- Khon Kaen University
- Khon Kaen 40002
- Thailand
| | - Putcharawipa Maneesai
- Department of Physiology
- Faculty of Medicine
- Khon Kaen University
- Khon Kaen 40002
- Thailand
| | - Siwayu Rattanakanokchai
- Veterinary Teaching Hospital
- Faculty of Veterinary Medicine
- Khon Kaen University
- Khon Kaen 40002
- Thailand
| | - Sarawoot Bunbupha
- Faculty of Medicine
- Mahasarakham University
- Mahasarakham 44150
- Thailand
| | - Upa Kukongviriyapan
- Department of Physiology
- Faculty of Medicine
- Khon Kaen University
- Khon Kaen 40002
- Thailand
| | - Terdthai Tong-un
- Department of Physiology
- Faculty of Medicine
- Khon Kaen University
- Khon Kaen 40002
- Thailand
| | - Poungrat Pakdeechote
- Department of Physiology
- Faculty of Medicine
- Khon Kaen University
- Khon Kaen 40002
- Thailand
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Nasser MI, Zhu S, Hu H, Huang H, Guo M, Zhu P. Effects of imperatorin in the cardiovascular system and cancer. Biomed Pharmacother 2019; 120:109401. [PMID: 31622950 DOI: 10.1016/j.biopha.2019.109401] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 08/23/2019] [Accepted: 08/28/2019] [Indexed: 02/08/2023] Open
Abstract
Patients with cancer survivors are at increased risk of cardiovascular disease(CVD). Cardio-oncology has developed as a new discipline with the advances in cancer treatment. There are many new challenges for the clinician and a new frontier for research and investigation. There is an urgent need for further study on the prevention of cardiovascular toxicity. Imperatorin (IMP) is a natural form of coumarin and extract from several plants with diver's pharmacokinetic effects, including antioxidant and anti-inflammatory properties. This review focus on the molecular mechanisms and pharmacological effects of Imperatorin maybe provide potential cancer and cardiovascular protection that targets IMP. Further studies are required to elucidate the entire spectrum of cytotoxic activities of these compounds to validate and expand their preclinical and clinical applications and to clarify the potential role of IMP.
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Affiliation(s)
- M I Nasser
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, China 106 ZhongshanEr Road, Guangzhou, P.R. China (510080)
| | - Shuoji Zhu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, China 106 ZhongshanEr Road, Guangzhou, P.R. China (510080)
| | - Haiyan Hu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, China 106 ZhongshanEr Road, Guangzhou, P.R. China (510080)
| | - Huanlei Huang
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, China 106 ZhongshanEr Road, Guangzhou, P.R. China (510080)
| | - Minghui Guo
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, China 106 ZhongshanEr Road, Guangzhou, P.R. China (510080).
| | - Ping Zhu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, China 106 ZhongshanEr Road, Guangzhou, P.R. China (510080).
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Gómez-Mendoza DP, Marques FD, Melo-Braga MN, Sprenger RR, Sinisterra RD, Kjeldsen F, Santos RA, Verano-Braga T. Angiotensin-(1-7) oral treatment after experimental myocardial infarction leads to downregulation of CXCR4. J Proteomics 2019; 208:103486. [DOI: 10.1016/j.jprot.2019.103486] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/05/2019] [Accepted: 08/10/2019] [Indexed: 11/27/2022]
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Nakashima MA, Silva CB, Gonzaga NA, Simplicio JA, Omoto AC, Tirapelli LF, Tanus-Santos JE, Tirapelli CR. Chronic ethanol consumption increases reactive oxygen species generation and the synthesis of pro-inflammatory proteins in the heart through TNFR1-dependent mechanisms. Cytokine 2019; 121:154734. [DOI: 10.1016/j.cyto.2019.154734] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/09/2019] [Accepted: 05/22/2019] [Indexed: 12/12/2022]
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Budzyń M, Gryszczyńka B, Boruczkowski M, Kaczmarek M, Begier-Krasińska B, Osińska A, Bukowska A, Iskra M, Kasprzak MP. The Potential Role of Circulating Endothelial Cells and Endothelial Progenitor Cells in the Prediction of Left Ventricular Hypertrophy in Hypertensive Patients. Front Physiol 2019; 10:1005. [PMID: 31447695 PMCID: PMC6696897 DOI: 10.3389/fphys.2019.01005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 07/19/2019] [Indexed: 01/20/2023] Open
Abstract
Background The main aim of present study is to evaluate the potential role of circulating endothelial cells (CECs) and endothelial progenitor cells (CEPCs) – representing specific markers of endothelial damage, in the prediction of left ventricular hypertrophy (LVH) in hypertensive patients categorized into two groups; mild (MH) and resistant hypertension (RH). Materials and Methods Thirty patients with MH and 28 subjects with RH were involved in the study. In both groups, patients were divided into an LVH and non-LVH group. The control group included 33 age and sex-matched normotensive volunteers. Physical examination, laboratory tests and echocardiography were conducted. Results In both the MH and RH group, patients with as well as without LVH demonstrated a higher number of CECs and a lower ratio of CEPCs/CECs as compared to the healthy control. Multiple linear regression analysis showed a positive association of CEPCs with left ventricular mass (LVM) and left ventricular mass index (LVMI), independently of other confounders. Conclusion Our results suggest that endothelial injury observed as an elevated CECs number and its impaired regeneration, reflected by a lowered CEPCs/CECs ratio, precede LVH occurrence and may play a significant role in LVH development regardless of the clinical severity of hypertension. Moreover, independent correlation of CEPCs with echocardiographic (ECG) incidences of LVH suggests their potential use as a screening biomarker to stratify the risk of LVH development.
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Affiliation(s)
- Magdalena Budzyń
- Department of General Chemistry, Chair of Chemistry and Clinical Biochemistry, Poznań University of Medical Sciences, Poznań, Poland
| | - Bogna Gryszczyńka
- Department of General Chemistry, Chair of Chemistry and Clinical Biochemistry, Poznań University of Medical Sciences, Poznań, Poland
| | - Maciej Boruczkowski
- Department of Clinical Immunology, Poznań University of Medical Sciences, Poznań, Poland
| | - Mariusz Kaczmarek
- Department of Clinical Immunology, Poznań University of Medical Sciences, Poznań, Poland
| | - Beata Begier-Krasińska
- Department of Hypertensiology, Angiology, and Internal Diseases, Poznań University of Medical Sciences, Poznań, Poland
| | - Angelika Osińska
- Department of Hypertensiology, Angiology, and Internal Diseases, Poznań University of Medical Sciences, Poznań, Poland
| | - Alicja Bukowska
- Medical Analysis Laboratory, Regional Blood Center, Poznań, Poland
| | - Maria Iskra
- Department of General Chemistry, Chair of Chemistry and Clinical Biochemistry, Poznań University of Medical Sciences, Poznań, Poland
| | - Magdalena Paulina Kasprzak
- Department of General Chemistry, Chair of Chemistry and Clinical Biochemistry, Poznań University of Medical Sciences, Poznań, Poland
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Abstract
Advanced heart failure (HF) is a progressive disease characterized by recurrent hospitalizations and high risk of mortality. Indeed, outcomes in late stages of HF approximate those seen in patients with various aggressive malignancies. Clinical trials assessing beneficial outcomes of new treatments in patients with cancer have used innovative approaches to measure impact on total disease burden or surrogates to assess treatment efficacy. Although most cardiovascular outcomes trials continue to use time-to-first event analyses to assess the primary efficacy end point, such analyses do not adequately reflect the impact of new treatments on the totality of the chronic disease burden. Consequently, patient enrichment and other strategies for ongoing clinical trial design, as well as new statistical methodologies, are important considerations, particularly when studying a population with advanced chronic HF. The DREAM-HF trial (Double-Blind Randomized Assessment of Clinical Events With Allogeneic Mesenchymal Precursor Cells in Advanced Heart Failure) is an ongoing, randomized, sham-controlled phase 3 study of the efficacy and safety of mesenchymal precursor cells as immunotherapy in patients with advanced chronic HF with reduced ejection fraction. Mesenchymal precursor cells have a unique multimodal mechanism of action that is believed to result in polarization of proinflammatory type 1 macrophages in the heart to an anti-inflammatory type 2 macrophage state, inhibition of maladaptive adverse left ventricular remodeling, reversal of cardiac and peripheral endothelial dysfunction, and recovery of deranged vasculature. The objective of DREAM-HF is to confirm earlier phase 2 results and evaluate whether mesenchymal precursor cells will reduce the rate of nonfatal recurrent HF-related major adverse cardiac events while delaying or preventing progression of HF to terminal cardiac events. DREAM-HF is an example of an ongoing contemporary events-driven cardiovascular cell-based immunotherapy study that has utilized the concepts of baseline disease enrichment, prognostic enrichment, and predictive enrichment to improve its efficiency by using accumulating data from within as well as external to the trial. Adaptive enrichment designs and strategies are important components of a rational approach to achieve clinical research objectives in shorter clinical trial timelines and with increased cost-effectiveness without compromising ethical standards or the overall statistical integrity of the study. The DREAM-HF trial also presents an alternative approach to traditional composite time-to-first event primary efficacy end points. Statistical methodologies such as the joint frailty model provide opportunities to expand the scope of events-driven HF with reduced ejection fraction clinical trials to utilize time to recurrent nonfatal HF-related major adverse cardiac events as the primary efficacy end point without compromising the integrity of the statistical analyses for terminal cardiac events. In advanced chronic HF with reduced ejection fraction studies, the joint frailty model is utilized to reflect characteristics of the high-risk patient population with important unmet therapeutic needs. In some cases, use of the joint frailty model may substantially reduce sample size requirements. In addition, using an end point that is acceptable to the Food and Drug Administration and the European Medicines Agency, such as recurrent nonfatal HF-related major adverse cardiac events, enables generation of clinically relevant pharmacoeconomic data while providing comprehensive views of the patient's overall cardiovascular disease burden. The major goal of this review is to provide lessons learned from the ongoing DREAM-HF trial that relate to biologic plausibility and flexible clinical trial design and are potentially applicable to other development programs of innovative therapies for patients with advanced cardiovascular disease. Clinical Trial Registration: URL: https://www.clinicaltrials.gov. Unique identifier: NCT02032004.
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Affiliation(s)
| | | | - Barry Greenberg
- University of California, San Diego School of Medicine, La Jolla (B.G.)
- Advanced Heart Failure Treatment Program, Sulpizio Cardiovascular Center, University of California, San Diego Healthcare System, La Jolla (B.G.)
| | - Emerson C. Perin
- Stem Cell Center and Adult Cardiology, Texas Heart Institute, Houston (E.C.P.)
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Interactions between Host PPARs and Gut Microbiota in Health and Disease. Int J Mol Sci 2019; 20:ijms20020387. [PMID: 30658440 PMCID: PMC6359605 DOI: 10.3390/ijms20020387] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 12/28/2018] [Accepted: 01/05/2019] [Indexed: 12/12/2022] Open
Abstract
The human gastrointestinal tract is inhabited by many types of microbiota, including bacteria, viruses, and fungi. Dysregulations of their microenvironment are associated with various health problems, not only limited to gastrointestinal disorders, such as inflammatory bowel disease, but to impacts beyond the intestine. For example, intestinal microbiota can affect the liver in non-alcoholic fatty liver disease, visceral adipose tissue during adipogenesis, and the heart in atherosclerosis. The factors contributing to these pathogeneses involve the gut microbiota and the effector organs of the host, and everything in between. The nuclear receptor peroxisome proliferator-activated receptors (PPARs) are pivotal for the modulation of many of the pathogeneses mentioned above. It is, therefore, conceivable that, in the process of host-microbiota interactions, PPARs play important roles. In this review, we focus on the interactions between host PPARs in different organs and gut microbiota and their impacts on maintaining health and various diseases.
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Egginton S, Axelsson M, Crockett EL, O’Brien KM, Farrell AP. Maximum cardiac performance of Antarctic fishes that lack haemoglobin and myoglobin: exploring the effect of warming on nature's natural knockouts. CONSERVATION PHYSIOLOGY 2019; 7:coz049. [PMID: 31620287 PMCID: PMC6788497 DOI: 10.1093/conphys/coz049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 06/18/2019] [Accepted: 06/27/2019] [Indexed: 05/04/2023]
Abstract
Antarctic notothenioids, some of which lack myoglobin (Mb) and/or haemoglobin (Hb), are considered extremely stenothermal, which raises conservation concerns since Polar regions are warming at unprecedented rates. Without reliable estimates of maximum cardiac output ([Formula: see text]), it is impossible to assess their physiological scope in response to warming seas. Therefore, we compared cardiac performance of two icefish species, Chionodraco rastrospinosus (Hb-Mb+) and Chaenocephalus aceratus (Hb-Mb-), with a related notothenioid, Notothenia coriiceps (Hb+Mb+) using an in situ perfused heart preparation. The maximum [Formula: see text], heart rate (f H), maximum cardiac work (W C) and relative ventricular mass of N. coriiceps at 1°C were comparable to temperate-water teleosts, and acute warming to 4°C increased f H and W C, as expected. In contrast, icefish hearts accommodated a higher maximum stroke volume (V S) and maximum [Formula: see text] at 1°C, but their unusually large hearts had a lower f H and maximum afterload tolerance than N. coriiceps at 1°C. Furthermore, maximum V S, maximum [Formula: see text] and f H were all significantly higher for the Hb-Mb+ condition compared with the Hb-Mb- condition, a potential selective advantage when coping with environmental warming. Like N. coriiceps, both icefish species increased f H at 4°C. Acutely warming C. aceratus increased maximum [Formula: see text], while C. rastrospinosus (like N. coriiceps) held at 4°C for 1 week maintained maximum [Formula: see text] when tested at 4°C. These experiments involving short-term warming should be followed up with long-term acclimation studies, since the maximum cardiac performance of these three Antarctic species studied seem to be tolerant of temperatures in excess of predictions associated with global warming.
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Affiliation(s)
- Stuart Egginton
- School of Biomedical Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Michael Axelsson
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg SE-405 30, Sweden
| | | | - Kristin M O’Brien
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK AK99775, USA
| | - Anthony P Farrell
- Department of Zoology, University of British Columbia, Vancouver, BC V6T 124, Canada
- Corresponding author: Department of Zoology, University of British Columbia, Vancouver, BC, Canada.
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Herrero-Galán E, Martínez-Martín I, Alegre-Cebollada J. Redox regulation of protein nanomechanics in health and disease: Lessons from titin. Redox Biol 2018; 21:101074. [PMID: 30584979 PMCID: PMC6305763 DOI: 10.1016/j.redox.2018.101074] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/22/2018] [Accepted: 12/07/2018] [Indexed: 01/11/2023] Open
Abstract
The nanomechanics of sarcomeric proteins is a key contributor to the mechanical output of muscle. Among them, titin emerges as a main target for the regulation of the stiffness of striated muscle. In the last years, single-molecule experiments by Atomic Force Microscopy (AFM) have demonstrated that redox posttranslational modifications are strong modulators of the mechanical function of titin. Here, we provide an overview of the recent development of the redox mechanobiology of titin, and suggest avenues of research to better understand how the stiffness of molecules, cells and tissues are modulated by redox signaling in health and disease.
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