1
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Dal Y, Nazıroğlu M, Özkaya MO. Low molecular weight heparin treatment reduced apoptosis and oxidative cytotoxicity in the thrombocytes of patients with recurrent pregnancy loss and thrombophilia: Involvements of TRPM2 and TRPV1 channels. J Obstet Gynaecol Res 2023; 49:1355-1365. [PMID: 36807656 DOI: 10.1111/jog.15612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 02/01/2023] [Indexed: 02/20/2023]
Abstract
AIM Recurrent pregnancy loss (RPL) is known to be associated with increased thrombophilia and oxidative toxicity. However, the mechanism of thrombophilia apoptosis and oxidative toxicity is still unclear. In addition, the treatment of heparin induced regulator roles on intracellular free Ca2+ ([Ca2+ ]i ) and cytosolic reactive oxygen species (cytROS) concentrations in several diseases. TRPM2 and TRPV1 channels are activated by different stimuli, including oxidative toxicity. The aim of this study was to investigate the effects of low molecular weight heparin (LMWH) via modulation of TRPM2 and TRPV1 on calcium signaling, oxidative toxicity, and apoptosis in the thrombocytes of RPL patients. STUDY DESIGN Thrombocyte and plasma samples collected from 10 patients with RPL and 10 healthy controls were used in the current study. MAIN FINDINGS The [Ca2+ ]i concentration, cytROS (DCFH-DA), mitochondrial membrane potential (JC-1), apoptosis, caspase-3, and caspase-9 levels were high in the plasma and thrombocytes of RPL patients, although they were diminished by the treatments of LMWH, TRPM2 (N-(p-amylcinnamoyl)anthranilic acid) and TRPV1 (capsazepine) channel blockers. CONCLUSIONS The current study results suggest that the treatment of LMWH is useful against apoptotic cell death and oxidative toxicity in the thrombocytes of patients with RPL, which seem to be dependent on increased levels of [Ca2+ ]i concentration via the activation of TRPM2 and TRPV1.
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Affiliation(s)
- Yusuf Dal
- Department of Obstetrics and Gynecology, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey
| | - Mustafa Nazıroğlu
- Neuroscience Research Center, Suleyman Demirel University, Isparta, Turkey.,Department of Biophysics, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey
| | - Mehmet Okan Özkaya
- Department of Obstetrics and Gynecology, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey
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2
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Liu L, Yang H, Kuang SJ, Zhang L, Zhou MY, Zeng P, Zhang MZ, Rao F, Zhou ZL, Deng CY. Contribution of calcium dysregulation to impaired coronary artery contraction in Zucker diabetic fatty rats. Clin Exp Pharmacol Physiol 2023; 50:158-168. [PMID: 36309970 DOI: 10.1111/1440-1681.13733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 10/08/2022] [Accepted: 10/23/2022] [Indexed: 01/05/2023]
Abstract
Diabetic coronary artery injury is closely associated with Ca2+ dysregulation, although the underlying mechanism remains unclear. This study explored the role and mechanism of Ca2+ handling in coronary artery dysfunction in type 2 diabetic rats. Zucker diabetic fatty (ZDF) rats were used as the type 2 diabetes mellitus model. The contractility of coronary artery rings induced by KCl, CaCl2 , 5-HT and U46619 was significantly lower in ZDF rats than in Zucker lean rats. Vasoconstriction induced by 5-HT and U46619 was greatly inhibited by nifedipine. However, in the presence of 1 μM nifedipine or in the Ca2+ -free KH solution containing 1 μM nifedipine, there was no difference in the vasoconstriction between Zucker lean and ZDF rats. Store-operated calcium channels (SOCs) were not involved in coronary vasoconstriction. The downregulation of contractile proteins and the upregulation of synthesized proteins were in coronary artery smooth muscle cells (CASMCs) from ZDF rats. Metformin reversed the reduction of vasoconstriction in ZDF rats. Taken together, L-type calcium channel is important for regulating the excitation-contraction coupling of VSMCs in coronary arteries, and dysregulation of this channel contributes to the decreased contractility of coronary arteries in T2DM.
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Affiliation(s)
- Lin Liu
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Zhuhai hospital affiliated with Jinan University (Zhuhai People's Hospital), Zhuhai, China.,School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China
| | - Hui Yang
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Su-Juan Kuang
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Li Zhang
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,School of biological science and engineering, South China University of Technology, Guangzhou, China
| | - Meng-Yuan Zhou
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,School of biological science and engineering, South China University of Technology, Guangzhou, China
| | - Peng Zeng
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Meng-Zhen Zhang
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Fang Rao
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Zhi-Ling Zhou
- Zhuhai hospital affiliated with Jinan University (Zhuhai People's Hospital), Zhuhai, China
| | - Chun-Yu Deng
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China.,School of biological science and engineering, South China University of Technology, Guangzhou, China
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3
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β-carotene alleviates LPS-induced inflammation through regulating STIM1/ORAI1 expression in bovine mammary epithelial cells. Int Immunopharmacol 2022; 113:109377. [DOI: 10.1016/j.intimp.2022.109377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/12/2022] [Accepted: 10/16/2022] [Indexed: 11/06/2022]
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4
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Negri S, Faris P, Moccia F. Reactive Oxygen Species and Endothelial Ca 2+ Signaling: Brothers in Arms or Partners in Crime? Int J Mol Sci 2021; 22:ijms22189821. [PMID: 34575985 PMCID: PMC8465413 DOI: 10.3390/ijms22189821] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/08/2021] [Accepted: 09/08/2021] [Indexed: 12/20/2022] Open
Abstract
An increase in intracellular Ca2+ concentration ([Ca2+]i) controls virtually all endothelial cell functions and is, therefore, crucial to maintain cardiovascular homeostasis. An aberrant elevation in endothelial can indeed lead to severe cardiovascular disorders. Likewise, moderate amounts of reactive oxygen species (ROS) induce intracellular Ca2+ signals to regulate vascular functions, while excessive ROS production may exploit dysregulated Ca2+ dynamics to induce endothelial injury. Herein, we survey how ROS induce endothelial Ca2+ signals to regulate vascular functions and, vice versa, how aberrant ROS generation may exploit the Ca2+ handling machinery to promote endothelial dysfunction. ROS elicit endothelial Ca2+ signals by regulating inositol-1,4,5-trisphosphate receptors, sarco-endoplasmic reticulum Ca2+-ATPase 2B, two-pore channels, store-operated Ca2+ entry (SOCE), and multiple isoforms of transient receptor potential (TRP) channels. ROS-induced endothelial Ca2+ signals regulate endothelial permeability, angiogenesis, and generation of vasorelaxing mediators and can be exploited to induce therapeutic angiogenesis, rescue neurovascular coupling, and induce cancer regression. However, an increase in endothelial [Ca2+]i induced by aberrant ROS formation may result in endothelial dysfunction, inflammatory diseases, metabolic disorders, and pulmonary artery hypertension. This information could pave the way to design alternative treatments to interfere with the life-threatening interconnection between endothelial ROS and Ca2+ signaling under multiple pathological conditions.
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5
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Awuah Boadi E, Shin S, Bandyopadhyay BC. Tannic acid attenuates vascular calcification-induced proximal tubular cells damage through paracrine signaling. Biomed Pharmacother 2021; 140:111762. [PMID: 34126317 PMCID: PMC8753424 DOI: 10.1016/j.biopha.2021.111762] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 05/11/2021] [Accepted: 05/19/2021] [Indexed: 01/14/2023] Open
Abstract
Vascular calcification is common in chronic kidney disease; however, the extent to which such condition can affect the renal microvasculature and the neighboring cell types is unclear. Our induced-calcification model in renal proximal tubular (PT) cells exhibited endoplasmic reticulum (ER) stress and oxidative damage, leading to apoptosis. Here, we utilized such calcification in mouse vascular smooth muscle (MOVAS-1) cells as a vascular calcification model, because it exhibited reactive oxygen species (ROS) generation, ER and oxidative stress, inflammatory, and apoptotic gene expressions. To demonstrate whether the vascular calcification condition can dictate the function of the adjacent PT cell layer, we utilized a Transwell multilayer culture system by combining those MOVAS-1 cells in the bottom chamber and polarized PT cells in the upper chamber to show the dimensional cross-signaling effect. Interestingly, calcification of MOVAS-1 cells, in this co-culture, induced H2O2 and lactate dehydrogenase (LDH) release leading to store-operated Ca2+ entry, ROS generation, and activation of oxidative, inflammatory, and apoptotic gene expressions in PT cells through paracrine signaling. Interestingly, application of tannic acid (TA) to either calcified MOVAS-1 or uncalcified PT cells diminished such detrimental pathway activation. Furthermore, the TA-mediated protection was much higher in the PT cells when applied on the calcified MOVAS-1 cells, and the delayed the pathological effects in neighboring PT cells can well be via paracrine signaling. Together, these results provide evidence of vascular calcification-induced PT cell damage, and the protective role of TA in preventing such pathological consequences, which can potentially be used as a nephroprotective remedy.
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Affiliation(s)
- Eugenia Awuah Boadi
- Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, Washington DC 20422, NW, USA
| | - Samuel Shin
- Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, Washington DC 20422, NW, USA
| | - Bidhan C Bandyopadhyay
- Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, Washington DC 20422, NW, USA; Division of Renal Diseases & Hypertension, Department of Medicine, The George Washington University, Washington DC 20037, USA; Department of Biomedical Engineering, The Catholic University of America, 620 Michigan Avenue, Washington DC 20064, NE, USA.
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6
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Jiang RS, Zhang L, Yang H, Zhou MY, Deng CY, Wu W. Signalling pathway of U46619-induced vascular smooth muscle contraction in mouse coronary artery. Clin Exp Pharmacol Physiol 2021; 48:996-1006. [PMID: 33792963 DOI: 10.1111/1440-1681.13502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/24/2021] [Accepted: 03/25/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND Thromboxane A2 (TXA2 ) participates in many pathophysiological processes of coronary artery disease. However, its mechanism of TXA2 -induced contraction in the coronary artery remains to be clarified. A multi myograph system was used to measure the isometric tension of the mouse coronary arteries and identify the effect and pathway of TXA2 analogues U46619. Confocal laser scanning microscopy was used to measure the intracellular calcium concentration ([Ca2+ ]i ) in mouse coronary artery smooth muscle cells. Results from the experiment had shown that contraction in coronary artery was generated by U46619 in a concentration-dependent manner, which was completely abolished by a specific TXA2 receptor blocker, GR32191. PI-PLC inhibitors U73122 and D609 and Rho-Kinase inhibitor Y-27632 can block the U46619 elicited coronary artery contraction in a dose-dependent manner. Then, the vasoconstriction response to U46619 was obviously inhibited by two pan-PKC inhibitors chelerythrine or Gӧ6983, and a selective PKCδ inhibitor rottlerin, but was not blocked by a selective PKCζ inhibitor PKC-PS or a selective PKCβ inhibitor hispidin. Meanwhile, the PKC activator PDBu-induced vasoconstriction was significantly inhibited by 1 μmol/L nifedipine, then mostly inhibited by 100 μmol/L 2-APB and 10 μmol/L Y27632. We further found that the response to U46619 was inhibited, respectively, by three calcium channel blockers nifedipine, SKF96356 or 2-APB in a concentration-dependent manner. Although Store-operated Ca2+ (SOC) channels generated the increase of [Ca2+ ]i in mouse coronary artery smooth muscle cells, SOC channels did not contribute to the vasoconstriction in mouse coronary arteries. Caffeine-induced sarcoplasmic reticulum (SR) Ca2+ release could obviously induce coronal vasoconstriction. In addition, NPPB, a cell membrane Ca2+ activated C1- channel blocker, could obviously inhibit the U46619-induced vasoconstriction. The U46619-induced mouse coronary artery contraction was involved in the increase in [Ca2+ ]i mediated by Cav1.2, TRPC channels and SR release through the activation of G-protein-coupled TP receptors and the kinases signalling pathway in TP downstream proteins, while SOC channels did not participate in the vasoconstriction.
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Affiliation(s)
- Run-Sheng Jiang
- Division of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Li Zhang
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,School of Biological Science and Engineering, South China University of Technology, Guangzhou, China
| | - Hui Yang
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,School of Biological Science and Engineering, South China University of Technology, Guangzhou, China
| | - Meng-Yuan Zhou
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,School of Biological Science and Engineering, South China University of Technology, Guangzhou, China
| | - Chun-Yu Deng
- Guangdong Provincial Key Laboratory of Clinical Pharmacology, Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,School of Biological Science and Engineering, South China University of Technology, Guangzhou, China.,School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China
| | - Wei Wu
- Division of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
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7
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Climent B, Santiago E, Sánchez A, Muñoz-Picos M, Pérez-Vizcaíno F, García-Sacristán A, Rivera L, Prieto D. Metabolic syndrome inhibits store-operated Ca 2+ entry and calcium-induced calcium-release mechanism in coronary artery smooth muscle. Biochem Pharmacol 2020; 182:114222. [PMID: 32949582 DOI: 10.1016/j.bcp.2020.114222] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 09/14/2020] [Accepted: 09/15/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND AND PURPOSE Metabolic syndrome causes adverse effects on the coronary circulation including altered vascular responsiveness and the progression of coronary artery disease (CAD). However the underlying mechanisms linking obesity with CAD are intricated. Augmented vasoconstriction, mainly due to impaired Ca2+ homeostasis in coronary vascular smooth muscle (VSM), is a critical factor for CAD. Increased calcium-induced calcium release (CICR) mechanism has been associated to pathophysiological conditions presenting persistent vasoconstriction while increased store operated calcium (SOC) entry appears to activate proliferation and migration in coronary vascular smooth muscle (VSM). We analyze here whether metabolic syndrome might alter SOC entry as well as CICR mechanism in coronary arteries, contributing thus to a defective Ca2+ handling and therefore accelerating the progression of CAD. EXPERIMENTAL APPROACH Measurements of intracellular Ca2+ ([Ca2+]i) and tension and of Ca2+ channels protein expression were performed in coronary arteries (CA) from lean Zucker rats (LZR) and obese Zucker rats (OZR). KEY RESULTS SOC entry stimulated by emptying sarcoplasmic reticulum (SR) Ca2+ store with cyclopiazonic acid (CPA) was decreased and associated to decreased STIM-1 and Orai1 protein expression in OZR CA. Further, CICR mechanism was blunted in these arteries but Ca2+ entry through voltage-dependent L-type channels was preserved contributing to maintain depolarization-induced increases in [Ca2+]i and vasoconstriction in OZR CA. These results were associated to increased expression of voltage-operated L-type Ca2+ channel alpha 1C subunit (CaV1.2) but unaltered ryanodine receptor (RyR) and sarcoendoplasmic reticulum Ca2+-ATPase (SERCA) pump protein content in OZR CA. CONCLUSION AND IMPLICATIONS The present manuscript provides evidence of impaired Ca2+ handling mechanisms in coronary arteries in metabolic syndrome where a decrease in both SOC entry and CICR mechanism but preserved vasoconstriction are reported in coronary arteries from obese Zucker rats. Remarkably, OZR CA VSM at this state of metabolic syndrome seemed to have developed a compensation mechanism for impaired CICR by overexpressing CaV1.2 channels.
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Affiliation(s)
- Belén Climent
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense, Madrid, Spain.
| | - Elvira Santiago
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense, Madrid, Spain
| | - Ana Sánchez
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense, Madrid, Spain
| | - Mercedes Muñoz-Picos
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense, Madrid, Spain
| | | | | | - Luis Rivera
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense, Madrid, Spain
| | - Dolores Prieto
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense, Madrid, Spain
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8
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Nair V, Yi J, Isheim D, Rotenberg M, Meng L, Shi F, Chen X, Gao X, Prominski A, Jiang Y, Yue J, Gallagher CT, Seidman DN, Tian B. Laser writing of nitrogen-doped silicon carbide for biological modulation. SCIENCE ADVANCES 2020; 6:6/34/eaaz2743. [PMID: 32937377 PMCID: PMC7442483 DOI: 10.1126/sciadv.aaz2743] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 07/08/2020] [Indexed: 05/05/2023]
Abstract
Conducting or semiconducting materials embedded in insulating polymeric substrates can be useful in biointerface applications; however, attainment of this composite configuration by direct chemical processes is challenging. Laser-assisted synthesis has evolved as a fast and inexpensive technique to prepare various materials, but its utility in the construction of biophysical tools or biomedical devices is less explored. Here, we use laser writing to convert portions of polydimethylsiloxane (PDMS) into nitrogen-doped cubic silicon carbide (3C-SiC). The dense 3C-SiC surface layer is connected to the PDMS matrix via a spongy graphite layer, facilitating electrochemical and photoelectrochemical activity. We demonstrate the fabrication of arbitrary two-dimensional (2D) SiC-based patterns in PDMS and freestanding 3D constructs. To establish the functionality of the laser-produced composite, we apply it as flexible electrodes for pacing isolated hearts and as photoelectrodes for local peroxide delivery to smooth muscle sheets.
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Affiliation(s)
- Vishnu Nair
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
- James Franck Institute, University of Chicago, Chicago, IL 60637, USA
| | - Jaeseok Yi
- James Franck Institute, University of Chicago, Chicago, IL 60637, USA
| | - Dieter Isheim
- Northwestern University Center for Atom-Probe Tomography, Evanston, IL 60208, USA
| | - Menahem Rotenberg
- James Franck Institute, University of Chicago, Chicago, IL 60637, USA
| | - Lingyuan Meng
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, USA
| | - Fengyuan Shi
- Electron Microscopy Core, University of Illinois Chicago, Chicago, IL 60607, USA
| | - Xinqi Chen
- Keck Interdisciplinary Surface Science Center, Northwestern University, Evanston, IL 60208, USA
| | - Xiang Gao
- James Franck Institute, University of Chicago, Chicago, IL 60637, USA
| | - Aleksander Prominski
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
- James Franck Institute, University of Chicago, Chicago, IL 60637, USA
| | - Yuanwen Jiang
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
- James Franck Institute, University of Chicago, Chicago, IL 60637, USA
| | - Jiping Yue
- Ben May Department for Cancer Research, University of Chicago, Chicago, IL 60637, USA
| | | | - David N Seidman
- Northwestern University Center for Atom-Probe Tomography, Evanston, IL 60208, USA
| | - Bozhi Tian
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA.
- James Franck Institute, University of Chicago, Chicago, IL 60637, USA
- Institute for Biophysical Dynamics, University of Chicago, Chicago, IL 60637, USA
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9
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Sorop O, van de Wouw J, Chandler S, Ohanyan V, Tune JD, Chilian WM, Merkus D, Bender SB, Duncker DJ. Experimental animal models of coronary microvascular dysfunction. Cardiovasc Res 2020; 116:756-770. [PMID: 31926020 PMCID: PMC7061277 DOI: 10.1093/cvr/cvaa002] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 11/25/2019] [Accepted: 01/06/2020] [Indexed: 12/14/2022] Open
Abstract
Coronary microvascular dysfunction (CMD) is commonly present in patients with metabolic derangements and is increasingly recognized as an important contributor to myocardial ischaemia, both in the presence and absence of epicardial coronary atherosclerosis. The latter condition is termed 'ischaemia and no obstructive coronary artery disease' (INOCA). Notwithstanding the high prevalence of INOCA, effective treatment remains elusive. Although to date there is no animal model for INOCA, animal models of CMD, one of the hallmarks of INOCA, offer excellent test models for enhancing our understanding of the pathophysiology of CMD and for investigating novel therapies. This article presents an overview of currently available experimental models of CMD-with an emphasis on metabolic derangements as risk factors-in dogs, swine, rabbits, rats, and mice. In all available animal models, metabolic derangements are most often induced by a high-fat diet (HFD) and/or diabetes mellitus via injection of alloxan or streptozotocin, but there is also a wide variety of spontaneous as well as transgenic animal models which develop metabolic derangements. Depending on the number, severity, and duration of exposure to risk factors-all these animal models show perturbations in coronary microvascular (endothelial) function and structure, similar to what has been observed in patients with INOCA and comorbid conditions. The use of these animal models will be instrumental in identifying novel therapeutic targets and for the subsequent development and testing of novel therapeutic interventions to combat ischaemic heart disease, the number one cause of death worldwide.
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Affiliation(s)
- Oana Sorop
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Jens van de Wouw
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Selena Chandler
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Vahagn Ohanyan
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Johnathan D Tune
- Department of Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, 635 Barnhill Drive, Indianapolis, IN, USA
| | - William M Chilian
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Daphne Merkus
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
- Walter Brendel Centre of Experimental Medicine, University Hospital, LMU Munich, Marchioninistr. 27, 81377 Munich, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance (MHA), 81377 Munich, Germany
| | - Shawn B Bender
- Department of Biomedical Sciences, University of Missouri, Columbia, MO, USA
- Research Service, Harry S Truman Memorial Veterans Hospital, Columbia, MO, USA
- Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, USA
| | - Dirk J Duncker
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
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10
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Moccia F, Negri S, Faris P, Berra-Romani R. Targeting the Endothelial Ca2+ Toolkit to Rescue Endothelial Dysfunction in Obesity Associated-Hypertension. Curr Med Chem 2020; 27:240-257. [PMID: 31486745 DOI: 10.2174/0929867326666190905142135] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 06/03/2019] [Accepted: 07/16/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Obesity is a major cardiovascular risk factor which dramatically impairs endothelium- dependent vasodilation and leads to hypertension and vascular damage. The impairment of the vasomotor response to extracellular autacoids, e.g., acetylcholine, mainly depends on the reduced Nitric Oxide (NO) bioavailability, which hampers vasorelaxation in large conduit arteries. In addition, obesity may affect Endothelium-Dependent Hyperpolarization (EDH), which drives vasorelaxation in small resistance arteries and arterioles. Of note, endothelial Ca2+ signals drive NO release and trigger EDH. METHODS A structured search of bibliographic databases was carried out to retrieve the most influential, recent articles on the impairment of vasorelaxation in animal models of obesity, including obese Zucker rats, and on the remodeling of the endothelial Ca2+ toolkit under conditions that mimic obesity. Furthermore, we searched for articles discussing how dietary manipulation could be exploited to rescue Ca2+-dependent vasodilation. RESULTS We found evidence that the endothelial Ca2+ could be severely affected by obese vessels. This rearrangement could contribute to endothelial damage and is likely to be involved in the disruption of vasorelaxant mechanisms. However, several Ca2+-permeable channels, including Vanilloid Transient Receptor Potential (TRPV) 1, 3 and 4 could be stimulated by several food components to stimulate vasorelaxation in obese individuals. CONCLUSION The endothelial Ca2+ toolkit could be targeted to reduce vascular damage and rescue endothelium- dependent vasodilation in obese vessels. This hypothesis remains, however, to be probed on truly obese endothelial cells.
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Affiliation(s)
- Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Sharon Negri
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Pawan Faris
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Roberto Berra-Romani
- Department of Biomedicine, School of Medicine, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
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11
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Martinotti S, Patrone M, Balbo V, Mazzucco L, Ranzato E. Endothelial response boosted by platelet lysate: the involvement of calcium toolkit. Int J Mol Sci 2020; 21:ijms21030808. [PMID: 31991927 PMCID: PMC7036775 DOI: 10.3390/ijms21030808] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/21/2020] [Accepted: 01/22/2020] [Indexed: 12/26/2022] Open
Abstract
Wound repair is a dynamic process during which crucial signaling pathways are regulated by growth factors and cytokines released by several kinds of cells directly involved in the healing process. However, the limited applications and heterogeneous clinical results of single growth factors in wound healing encouraged the use of a mixture of bioactive molecules such as platelet derivatives for best results in wound repair. An interesting platelet derivative, obtained from blood samples, is platelet lysate (PL), which has shown potential clinical application. PL is obtained from freezing and thawing of platelet-enriched blood samples. Intracellular calcium (Ca2+) signals play a central role in the control of endothelial cell survival, proliferation, motility, and differentiation. We investigated the role of Ca2+ signaling in the PL-driven endothelial healing process. In our experiments, the functional significance of Ca2+ signaling machinery was highlighted performing the scratch wound assay in presence of different inhibitors or specific RNAi. We also pointed out that the PL-induced generation of intracellular ROS (reactive oxygen species) via NOX4 (NADPH oxidase 4) is necessary for the activation of TRPM2 and the resulting Ca2+ entry from the extracellular space. This is the first report of the mechanism of wound repair in an endothelial cell model boosted by the PL-induced regulation of [Ca2+]i.
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Affiliation(s)
- Simona Martinotti
- DiSIT—Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, Viale Teresa Michel 11, 15121 Alessandria, Italy; (M.P.); (E.R.)
- DiSIT—Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, piazza Sant’Eusebio 5, 13100 Vercelli, Italy
- Correspondence: ; Tel.: +39-0131-360260; Fax: +39-0131-360243
| | - Mauro Patrone
- DiSIT—Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, Viale Teresa Michel 11, 15121 Alessandria, Italy; (M.P.); (E.R.)
| | - Valeria Balbo
- Laboratorio Produzione Emocomponenti e Medicina Rigenerativa, SIMT—AO “SS Antonio e Biagio”, 15121 Alessandria, Italy; (V.B.); (L.M.)
| | - Laura Mazzucco
- Laboratorio Produzione Emocomponenti e Medicina Rigenerativa, SIMT—AO “SS Antonio e Biagio”, 15121 Alessandria, Italy; (V.B.); (L.M.)
| | - Elia Ranzato
- DiSIT—Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, Viale Teresa Michel 11, 15121 Alessandria, Italy; (M.P.); (E.R.)
- DiSIT—Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, piazza Sant’Eusebio 5, 13100 Vercelli, Italy
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12
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Wang H, Gao XY, Rao F, Yang H, Wang ZY, Liu L, Kuang SJ, Wu Q, Deng CY, Xu JS. Mechanism of contractile dysfunction induced by serotonin in coronary artery in spontaneously hypertensive rats. Naunyn Schmiedebergs Arch Pharmacol 2020; 393:2165-2176. [DOI: 10.1007/s00210-020-01813-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 01/08/2020] [Indexed: 01/31/2023]
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13
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Abstract
The microcirculation maintains tissue homeostasis through local regulation of blood flow and oxygen delivery. Perturbations in microvascular function are characteristic of several diseases and may be early indicators of pathological changes in the cardiovascular system and in parenchymal tissue function. These changes are often mediated by various reactive oxygen species and linked to disruptions in pathways such as vasodilation or angiogenesis. This overview compiles recent advances relating to redox regulation of the microcirculation by adopting both cellular and functional perspectives. Findings from a variety of vascular beds and models are integrated to describe common effects of different reactive species on microvascular function. Gaps in understanding and areas for further research are outlined. © 2020 American Physiological Society. Compr Physiol 10:229-260, 2020.
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Affiliation(s)
- Andrew O Kadlec
- Department of Physiology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Medical Scientist Training Program, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - David D Gutterman
- Department of Physiology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Department of Medicine-Division of Cardiology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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14
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Martinotti S, Laforenza U, Patrone M, Moccia F, Ranzato E. Honey-Mediated Wound Healing: H₂O₂ Entry through AQP3 Determines Extracellular Ca 2+ Influx. Int J Mol Sci 2019; 20:ijms20030764. [PMID: 30754672 PMCID: PMC6387258 DOI: 10.3390/ijms20030764] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 01/22/2019] [Accepted: 02/02/2019] [Indexed: 12/26/2022] Open
Abstract
Since Biblical times, honey has been utilized in “folk medicine”, and in recent decades the positive qualities of honey have been re-discovered and are gaining acceptance. Scientific literature states that honey has been successfully utilized on infections not responding to classic antiseptic and antibiotic therapy, because of its intrinsic H2O2 production. In our study, we demonstrated the involvement of H2O2 as a main mediator of honey regenerative effects on an immortalized human keratinocyte cell line. We observed that this extracellularly released H2O2 could pass across the plasma membrane through a specific aquaporin (i.e., AQP3). Once in the cytoplasm H2O2, in turn, induces the entry of extracellular Ca2+ through Melastatin Transient Receptor Potential 2 (TRPM2) and Orai1 channels. Honey-induced extracellular Ca2+ entry results in wound healing, which is consistent with the role played by Ca2+ signaling in tissue regeneration. This is the first report showing that honey exposure increases intracellular Ca2+ concentration ([Ca2+]i), due to H2O2 production and redox regulation of Ca2+-permeable ion channels, opening up a new horizon for the utilization of the honey as a beneficial tool.
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Affiliation(s)
- Simona Martinotti
- DiSIT-Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, Viale Teresa Michel 11, 15121 Alessandria, Italy.
| | - Umberto Laforenza
- Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy.
| | - Mauro Patrone
- DiSIT-Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, Viale Teresa Michel 11, 15121 Alessandria, Italy.
| | - Francesco Moccia
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy.
| | - Elia Ranzato
- DiSIT-Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, Piazza Sant'Eusebio 5, 13100 Vercelli, Italy.
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15
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Gutiérrez A, Contreras C, Sánchez A, Prieto D. Role of Phosphatidylinositol 3-Kinase (PI3K), Mitogen-Activated Protein Kinase (MAPK), and Protein Kinase C (PKC) in Calcium Signaling Pathways Linked to the α 1-Adrenoceptor in Resistance Arteries. Front Physiol 2019; 10:55. [PMID: 30787881 PMCID: PMC6372516 DOI: 10.3389/fphys.2019.00055] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 01/17/2019] [Indexed: 01/07/2023] Open
Abstract
Insulin resistance plays a key role in the pathogenesis of type 2 diabetes and is also related to other health problems like obesity, hypertension, and metabolic syndrome. Imbalance between insulin vascular actions via the phosphatidylinositol 3-Kinase (PI3K) and the mitogen activated protein kinase (MAPK) signaling pathways during insulin resistant states results in impaired endothelial PI3K/eNOS- and augmented MAPK/endothelin 1 pathways leading to endothelial dysfunction and abnormal vasoconstriction. The role of PI3K, MAPK, and protein kinase C (PKC) in Ca2+ handling of resistance arteries involved in blood pressure regulation is poorly understood. Therefore, we assessed here whether PI3K, MAPK, and PKC play a role in the Ca2+ signaling pathways linked to adrenergic vasoconstriction in resistance arteries. Simultaneous measurements of intracellular calcium concentration ([Ca2+]i) in vascular smooth muscle (VSM) and tension were performed in endothelium-denuded branches of mesenteric arteries from Wistar rats mounted in a microvascular myographs. Responses to CaCl2 were assessed in arteries activated with phenylephrine (PE) and kept in Ca2+-free solution, in the absence and presence of the selective antagonist of L-type Ca2+ channels nifedipine, cyclopiazonic acid (CPA) to block sarcoplasmic reticulum (SR) intracellular Ca2+ release or specific inhibitors of PI3K, ERK-MAPK, or PKC. Activation of α1-adrenoceptors with PE stimulated both intracellular Ca2+ mobilization and Ca2+ entry along with contraction in resistance arteries. Both [Ca2+]i and contractile responses were inhibited by nifedipine while CPA abolished intracellular Ca2+ mobilization and modestly reduced Ca2+ entry suggesting that α1-adrenergic vasoconstriction is largely dependent Ca2+ influx through L-type Ca2+ channel and to a lesser extent through store-operated Ca2+ channels. Inhibition of ERK-MAPK did not alter intracellular Ca2+ mobilization but largely reduced L-type Ca2+ entry elicited by PE without altering vasoconstriction. The PI3K blocker LY-294002 moderately reduced intracellular Ca2+ release, Ca2+ entry and contraction induced by the α1-adrenoceptor agonist, while PKC inhibition decreased PE-elicited Ca2+ entry and to a lesser extent contraction without affecting intracellular Ca2+ mobilization. Under conditions of ryanodine receptor (RyR) blockade to inhibit Ca2+-induced Ca2+-release (CICR), inhibitors of PI3K, ERK-MAPK, or PKC significantly reduced [Ca2+]i increases but not contraction elicited by high K+ depolarization suggesting an activation of L-type Ca2+ entry in VSM independent of RyR. In summary, our results demonstrate that PI3K, ERK-MAPK, and PKC regulate Ca2+ handling coupled to the α1-adrenoceptor in VSM of resistance arteries and related to both contractile and non-contractile functions. These kinases represent potential pharmacological targets in pathologies associated to vascular dysfunction and abnormal Ca2+ handling such as obesity, hypertension and diabetes mellitus, in which these signaling pathways are profoundly impaired.
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Affiliation(s)
- Alejandro Gutiérrez
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Cristina Contreras
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Ana Sánchez
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Dolores Prieto
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
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16
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Kim MJ, Choi KJ, Yoon MN, Oh SH, Kim DK, Kim SH, Park HS. Hydrogen peroxide inhibits Ca 2+ efflux through plasma membrane Ca 2+-ATPase in mouse parotid acinar cells. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2018. [PMID: 29520174 PMCID: PMC5840080 DOI: 10.4196/kjpp.2018.22.2.215] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Intracellular Ca2+ mobilization is closely linked with the initiation of salivary secretion in parotid acinar cells. Reactive oxygen species (ROS) are known to be related to a variety of oxidative stress-induced cellular disorders and believed to be involved in salivary impairments. In this study, we investigated the underlying mechanism of hydrogen peroxide (H2O2) on cytosolic Ca2+ accumulation in mouse parotid acinar cells. Intracellular Ca2+ levels were slowly elevated when 1 mM H2O2 was perfused in the presence of normal extracellular Ca2+. In a Ca2+-free medium, 1 mM H2O2 still enhanced the intracellular Ca2+ level. Ca2+ entry tested using manganese quenching technique was not affected by perfusion of 1 mM H2O2. On the other hand, 10 mM H2O2 induced more rapid Ca2+ accumulation and facilitated Ca2+ entry from extracellular fluid. Ca2+ refill into intracellular Ca2+ store and inositol 1,4,5-trisphosphate (1 µM)-induced Ca2+ release from Ca2+ store was not affected by 1 mM H2O2 in permeabilized cells. Ca2+ efflux through plasma membrane Ca2+-ATPase (PMCA) was markedly blocked by 1 mM H2O2 in thapsigargin-treated intact acinar cells. Antioxidants, either catalase or dithiothreitol, completely protected H2O2-induced Ca2+ accumulation through PMCA inactivation. From the above results, we suggest that excessive production of H2O2 under pathological conditions may lead to cytosolic Ca2+ accumulation and that the primary mechanism of H2O2-induced Ca2+ accumulation is likely to inhibit Ca2+ efflux through PMCA rather than mobilize Ca2+ ions from extracellular medium or intracellular stores in mouse parotid acinar cells.
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Affiliation(s)
- Min Jae Kim
- Department of Physiology, College of Medicine, Konyang University, Daejeon 35365, Korea
| | - Kyung Jin Choi
- Department of Physiology, College of Medicine, Konyang University, Daejeon 35365, Korea
| | - Mi Na Yoon
- Department of Physiology, College of Medicine, Konyang University, Daejeon 35365, Korea
| | - Sang Hwan Oh
- Department of Dental Hygiene, College of Medical Science, Konyang University, Daejeon 35365, Korea
| | - Dong Kwan Kim
- Department of Physiology, College of Medicine, Konyang University, Daejeon 35365, Korea
| | - Se Hoon Kim
- Department of Physiology, College of Medicine, Konyang University, Daejeon 35365, Korea
| | - Hyung Seo Park
- Department of Physiology, College of Medicine, Konyang University, Daejeon 35365, Korea.,Myunggok Medical Research Institute, Konyang University, Daejeon 35365, Korea
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17
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LeBlanc AJ, Kelm NQ. Thrombospondin-1, Free Radicals, and the Coronary Microcirculation: The Aging Conundrum. Antioxid Redox Signal 2017; 27:785-801. [PMID: 28762749 PMCID: PMC5647494 DOI: 10.1089/ars.2017.7292] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
SIGNIFICANCE Successful matching of cardiac metabolism to perfusion is accomplished primarily through vasodilation of the coronary resistance arterioles, but the mechanism that achieves this effect changes significantly as aging progresses and involves the contribution of reactive oxygen species (ROS). Recent Advances: A matricellular protein, thrombospondin-1 (Thbs-1), has been shown to be a prolific contributor to the production and modulation of ROS in large conductance vessels and in the peripheral circulation. Recently, the presence of physiologically relevant circulating Thbs-1 levels was proven to also disrupt vasodilation to nitric oxide (NO) in coronary arterioles from aged animals, negatively impacting coronary blood flow reserve. CRITICAL ISSUES This review seeks to reconcile how ROS can be successfully utilized as a substrate to mediate vasoreactivity in the coronary microcirculation as "normal" aging progresses, but will also examine how Thbs-1-induced ROS production leads to dysfunctional perfusion and eventual ischemia and why this is more of a concern in advancing age. FUTURE DIRECTIONS Current therapies that may effectively disrupt Thbs-1 and its receptor CD47 in the vascular wall and areas for future exploration will be discussed. Antioxid. Redox Signal. 27, 785-801.
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Affiliation(s)
- Amanda J LeBlanc
- Department of Physiology, Cardiovascular Innovation Institute, University of Louisville , Louisville, Kentucky
| | - Natia Q Kelm
- Department of Physiology, Cardiovascular Innovation Institute, University of Louisville , Louisville, Kentucky
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18
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Muñoz M, López-Oliva ME, Pinilla E, Martínez MP, Sánchez A, Rodríguez C, García-Sacristán A, Hernández M, Rivera L, Prieto D. CYP epoxygenase-derived H 2O 2 is involved in the endothelium-derived hyperpolarization (EDH) and relaxation of intrarenal arteries. Free Radic Biol Med 2017; 106:168-183. [PMID: 28212823 DOI: 10.1016/j.freeradbiomed.2017.02.031] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 01/31/2017] [Accepted: 02/13/2017] [Indexed: 01/03/2023]
Abstract
Reactive oxygen species (ROS) like hydrogen peroxide (H2O2) are involved in the in endothelium-derived hyperpolarization (EDH)-type relaxant responses of coronary and mesenteric arterioles. The role of ROS in kidney vascular function has mainly been investigated in the context of harmful ROS generation associated to kidney disease. The present study was sought to investigate whether H2O2 is involved in the endothelium-dependent relaxations of intrarenal arteries as well the possible endothelial sources of ROS generation involved in these responses. Under conditions of cyclooxygenase (COX) and nitric oxide (NO) synthase inhibition, acetylcholine (ACh) induced relaxations and stimulated H2O2 release that were reduced by catalase and by the glutathione peroxidase (GPx) mimetic ebselen in rat renal interlobar arteries, suggesting the involvement of H2O2 in the endothelium-dependent responses. ACh relaxations were also blunted by the CYP2C inhibitor sulfaphenazole and by the NADPH oxidase inhibitor apocynin. Acetylcholine stimulated both superoxide (O2•-) and H2O2 production that were reduced by sulfaphenazole and apocynin. Expression of the antioxidant enzyme CuZnSOD and of the H2O2 reducing enzymes catalase and GPx-1 was found in both intrarenal arteries and renal cortex. On the other hand, exogenous H2O2 relaxed renal arteries by decreasing vascular smooth muscle (VSM) intracellular calcium concentration [Ca2+]i and markedly enhanced endothelial KCa currents in freshly isolated renal endothelial cells. CYP2C11 and CYP2C23 epoxygenases were highly expressed in interlobar renal arteries and renal cortex, respectively, and were co-localized with eNOS in renal endothelial cells. These results demonstrate that H2O2 is involved in the EDH-type relaxant responses of renal arteries and that CYP 2C epoxygenases are physiologically relevant endothelial sources of vasodilator H2O2 in the kidney.
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Affiliation(s)
- Mercedes Muñoz
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Maria Elvira López-Oliva
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Estéfano Pinilla
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - María Pilar Martínez
- Departamento de Anatomía and Anatomía Patológica Comparadas, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Ana Sánchez
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Claudia Rodríguez
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Albino García-Sacristán
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Medardo Hernández
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Luis Rivera
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Dolores Prieto
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain.
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19
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Santiago E, Martínez MP, Climent B, Muñoz M, Briones AM, Salaices M, García-Sacristán A, Rivera L, Prieto D. Augmented oxidative stress and preserved vasoconstriction induced by hydrogen peroxide in coronary arteries in obesity: role of COX-2. Br J Pharmacol 2016; 173:3176-3195. [PMID: 27535007 DOI: 10.1111/bph.13579] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 08/02/2016] [Accepted: 08/03/2016] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND AND PURPOSE Oxidative stress plays a key role in the vascular and metabolic abnormalities associated with obesity. Herein, we assessed whether obesity can increase coronary vasoconstriction induced by hydrogen peroxide (H2 O2 ) and the signalling pathways involving COX-2 and superoxide (O2.- ) generation. EXPERIMENTAL APPROACH Contractile responses to H2 O2 and O2.- generation were measured in coronary arteries from genetically obese Zucker rats (OZR) and compared to lean Zucker rats (LZR). KEY RESULTS Both basal and H2 O2 -stimulated O2.- production were enhanced in coronary arteries from OZR, but H2 O2 -induced vasoconstriction was unchanged. The selective COX-2 inhibitor NS398 significantly reduced H2 O2 -induced contractions in endothelium-denuded arteries from LZR and OZR, but only in endothelium-intact arteries from LZR. PGI2 (IP) receptor antagonism modestly reduced the vasoconstrictor action of H2 O2 while antagonism of the PGE2 receptor 4 (EP4 ) enhanced H2 O2 contractions in arteries from OZR but not LZR. Basal release of COX-2-derived PGE2 was higher in coronary arteries from OZR where the selective agonist of EP4 receptors TCS 2519 evoked potent relaxations. COX-2 was up-regulated after acute exposure to H2 O2 in coronary endothelium and vascular smooth muscle (VSM) and inhibition of COX-2 markedly reduced H2 O2 -elicited O2.- generation in coronary arteries and myocardium. Expression of Nox subunits in VSM and NADPH-stimulated O2.- generation was enhanced and contributed to H2 O2 vasoconstriction in arteries from obese rats. CONCLUSION AND IMPLICATIONS COX-2 contributes to cardiac oxidative stress and to the endothelium-independent O2.- -mediated coronary vasoconstriction induced by H2 O2 in obesity, which is offset by the release of COX-2-derived endothelial PGE2 acting on EP4 vasodilator receptors.
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Affiliation(s)
- Elvira Santiago
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Maria Pilar Martínez
- Departamento de Anatomía and Anatomía Patológica Comparadas, Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain
| | - Belén Climent
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Mercedes Muñoz
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Ana María Briones
- Departamento de Farmacología, Facultad de Medicina, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Universidad Autónoma de Madrid, Madrid, Spain
| | - Mercedes Salaices
- Departamento de Farmacología, Facultad de Medicina, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Universidad Autónoma de Madrid, Madrid, Spain
| | - Albino García-Sacristán
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Luis Rivera
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Dolores Prieto
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain.
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20
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Yao H, Fan R, Zhao X, Zhao W, Liu W, Yang J, Sattar H, Zhao J, Zhang Z, Xu S. Selenoprotein W redox-regulated Ca2+ channels correlate with selenium deficiency-induced muscles Ca2+ leak. Oncotarget 2016; 7:57618-57632. [PMID: 27557522 PMCID: PMC5295377 DOI: 10.18632/oncotarget.11459] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 08/17/2016] [Indexed: 11/25/2022] Open
Abstract
Selenium (Se) deficiency induces Ca2+ leak and calcification in mammal skeletal muscles; however, the exact mechanism is still unclear. In the present study, both Se-deficient chicken muscle models and selenoprotein W (SelW) gene knockdown myoblast and embryo models were used to study the mechanism. The results showed that Se deficiency-induced typical muscular injuries accompanied with Ca2+ leak and oxidative stress (P < 0.05) injured the ultrastructure of the sarcoplasmic reticulum (SR) and mitochondria; decreased the levels of the Ca2+ channels, SERCA, SLC8A, CACNA1S, ORAI1, STIM1, TRPC1, and TRPC3 (P < 0.05); and increased the levels of Ca2+ channel PMCA (P < 0.05). Similarly, SelW knockdown also induced Ca2+ leak from the SR and cytoplasm; increased mitochondrial Ca2+ levels and oxidative stress; injured SR and mitochondrial ultrastructure; decreased levels of SLC8A, CACNA1S, ORA1, TRPC1, and TRPC3; and caused abnormal activities of Ca2+ channels in response to inhibitors in myoblasts and chicken embryos. Thus, both Se deficiency and SelW knockdown induced Ca2+ leak, oxidative stress, and Ca2+ channel reduction. In addition, Ca2+ levels and the expression of the Ca2+ channels, RyR1, SERCA, CACNA1S, TRPC1, and TRPC3 were recovered to normal levels by N-acetyl-L-cysteine (NAC) treatment compared with SelW knockdown cells. Thus, with regard to the decreased Ca2+ channels, SelW knockdown closely correlated Se deficiency with Ca2+ leak in muscles. The redox regulation role of SelW is crucial in Se deficiency-induced Ca2+ leak in muscles.
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Affiliation(s)
- Haidong Yao
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
| | - Ruifeng Fan
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
| | - Xia Zhao
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
| | - Wenchao Zhao
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
| | - Wei Liu
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China.,The Key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Heilongjiang, P. R. China
| | - Jie Yang
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
| | - Hamid Sattar
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
| | - Jinxin Zhao
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
| | - Ziwei Zhang
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
| | - Shiwen Xu
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, P. R. China
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21
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Santiago E, Climent B, Muñoz M, García-Sacristán A, Rivera L, Prieto D. Hydrogen peroxide activates store-operated Ca(2+) entry in coronary arteries. Br J Pharmacol 2015; 172:5318-32. [PMID: 26478127 DOI: 10.1111/bph.13322] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 08/20/2015] [Accepted: 09/06/2015] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND AND PURPOSE Abnormal Ca(2+) metabolism has been involved in the pathogenesis of vascular dysfunction associated with oxidative stress. Here, we have investigated the actions of H2 O2 on store-operated Ca(2+) (SOC) entry in coronary arteries and assessed whether it is impaired in arteries from a rat model of metabolic syndrome. EXPERIMENTAL APPROACH Simultaneous measurements of intracellular Ca(2+) concentration and contractile responses were made in coronary arteries from Wistar and obese Zucker rats, mounted in microvascular myographs, and the effects of H2 O2 were assessed. KEY RESULTS H2 O2 raised intracellular Ca(2+) concentrations, accompanied by simultaneous vasoconstriction that was markedly reduced in a Ca(2+) -free medium. Upon Ca(2+) re-addition, a nifedipine-resistant sustained Ca(2+) entry, not coupled to contraction, was obtained in endothelium-denuded coronary arteries. The effect of H2 O2 on this voltage-independent Ca(2+) influx was concentration-dependent, and high micromolar H2 O2 concentrations were inhibitory and reduced SOC entry evoked by inhibition of the sarcoplasmic reticulum ATPase (SERCA). H2 O2 -induced increases in Fura signals were mimicked by Ba(2+) and reduced by heparin, Gd(3+) ions and by Pyr6, a selective inhibitor of the Orai1-mediated Ca(2+) entry,. In coronary arteries from obese Zucker rats, intracellular Ca(2+) mobilization and SOC entry activated by acute exposure to H2 O2 were augmented and associated with local oxidative stress. CONCLUSION AND IMPLICATIONS H2 O2 exerted dual concentration-dependent stimulatory/inhibitory effects on store-operated, IP3 receptor-mediated and Orai1-mediated Ca(2+) entry, not coupled to vasoconstriction in coronary vascular smooth muscle. SOC entry activated by H2 O2 was enhanced and associated with vascular oxidative stress in coronary arteries in metabolic syndrome.
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Affiliation(s)
- Elvira Santiago
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Belén Climent
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Mercedes Muñoz
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Albino García-Sacristán
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Luis Rivera
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Dolores Prieto
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
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