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Ghatage T, Singh S, Mandal K, Dhar A. MasR and pGCA receptor activation protects primary vascular smooth muscle cells and endothelial cells against oxidative stress via inhibition of intracellular calcium. J Cell Biochem 2023. [PMID: 37210727 DOI: 10.1002/jcb.30422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 04/05/2023] [Accepted: 04/25/2023] [Indexed: 05/23/2023]
Abstract
Cardiovascular diseases (CVDs) are associated with vascular smooth muscle cell (VSMC) and endothelial cell (EC) damage. Angiotensin1-7 (Ang1-7) and B-type natriuretic peptide (BNP) are responsible for vasodilation and regulation of blood flow. These protective effects of BNP are primarily mediated by the activation of sGCs/cGMP/cGKI pathway. Conversely, Ang1-7 inhibits Angiotensin II-induced contraction and oxidative stress via Mas receptor activation. Thus, the aim of the study was to determine the effect of co-activation of MasR and particulate guanylate cyclase receptor (pGCA) pathways by synthesized novel peptide (NP) in oxidative stress-induced VSMCs and ECs. MTT and Griess reagent assay kits were used for the standardization of the oxidative stress (H2 O2 ) induced model in VSMCs. The expression of targeted receptors in VSMC was done by RT-PCR and Western blot analysis. Protective effect of NP in VSMC and EC was determined by immunocytochemistry, FACS analysis, and Western blot analysis. Underlying mechanisms of EC-dependent VSMC relaxation were done by determining downstream mRNA gene expression and intracellular calcium imaging of cells. Synthesized NP significantly improved oxidative stress-induced injury in VSMCs. Remarkably, the actions of NP were superior to that of the Ang1-7 and BNP alone. Further, a mechanistic study in VSMC and EC suggested the involvement of upstream mediators of calcium inhibition for the therapeutic effect. NP is reported to possess vascular protective activities and is also involved in the improvement of endothelial damage. Moreover, it is highly effective than that of individual peptides BNP and Ang1-7 and therefore it may represent a promising strategy for CVDs.
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Affiliation(s)
- Trupti Ghatage
- Department of Pharmacy, Birla Institute of Technology and Sciences (BITS) Pilani, Hyderabad Campus, Hyderabad, Telangana, India
| | - Sameer Singh
- TIFR Centre for Interdisciplinary Sciences, Tata Institute of Fundamental Research, Hyderabad, India
| | - Kalyaneswar Mandal
- TIFR Centre for Interdisciplinary Sciences, Tata Institute of Fundamental Research, Hyderabad, India
| | - Arti Dhar
- Department of Pharmacy, Birla Institute of Technology and Sciences (BITS) Pilani, Hyderabad Campus, Hyderabad, Telangana, India
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Hu J, Qian W, Yu Z, Xu T, Ju L, Hua Q, Wang Y, Ling JJ, Lv H. Increased Neutrophil Respiratory Burst Predicts the Risk of Coronary Artery Lesion in Kawasaki Disease. Front Pediatr 2020; 8:391. [PMID: 32850525 PMCID: PMC7399066 DOI: 10.3389/fped.2020.00391] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 06/09/2020] [Indexed: 12/14/2022] Open
Abstract
Background: Kawasaki diseases (KD) is a febrile systemic vasculitis in infants associated with coronary aneurysm. The etiology of KD remains unclear. Human neutrophils have great capacity to cause tissue damage in inflammatory diseases via their inappropriate activation to release reactive oxygen species (ROS). Brain natriuretic peptide (BNP) is a substantial modulator of neutrophil activation to regulate ROS production. It is increasingly released from the myocardium in heart failure and myocardial inflammatory states. Objective: The purpose of this study was to explore the potential role of neutrophil respiratory burst in the pathogenesis of coronary artery lesions (CAL) in KD. Materials and Methods: A total of 78 children were enrolled. Of all the cases, 20 cases are healthy control (HC), 20 are with coronary artery lesion (CAL), and 38 are with non-coronary artery lesion (NCAL). The activation ratio of neutrophils was evaluated by flow cytometry. In addition, plasma levels of BNP were detected. Results: Our results showed that the activation ratio of neutrophils in KD with CAL is significantly higher than the other two groups (HC and NCAL). Besides, the plasma levels of BNP in KD (with or without CAL) were higher than that in HC. Conclusions: These findings suggested that neutrophil respiratory burst may play a significant role in the pathogenesis of CAL, and predicts the risk of CAL in Kawasaki disease.
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Affiliation(s)
- Jing Hu
- Children's Hospital of Soochow University, Suzhou, China.,Wuxi Children's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Wei Qian
- Wuxi Children's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Zhiwei Yu
- Wuxi Children's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Tao Xu
- Wuxi Children's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Liang Ju
- Wuxi Children's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Qi Hua
- Wuxi Children's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Yan Wang
- Wuxi Children's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Jing Jing Ling
- Wuxi Children's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Haitao Lv
- Children's Hospital of Soochow University, Suzhou, China
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Amiri S, Yousefi-Ahmadipour A, Hosseini MJ, Haj-Mirzaian A, Momeny M, Hosseini-Chegeni H, Mokhtari T, Kharrazi S, Hassanzadeh G, Amini SM, Jafarinejad S, Ghazi-Khansari M. Maternal exposure to silver nanoparticles are associated with behavioral abnormalities in adulthood: Role of mitochondria and innate immunity in developmental toxicity. Neurotoxicology 2018; 66:66-77. [PMID: 29550386 DOI: 10.1016/j.neuro.2018.03.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 03/06/2018] [Accepted: 03/10/2018] [Indexed: 01/06/2023]
Abstract
Silver nanoparticles (Ag-NPs) are currently used in a wide range of consumer products. Considering the small size of Ag-NPs, they are able to pass through variety of biological barriers and exert their effects. In this regard, the unique physicochemical properties of Ag-NPs along with its high application in the industry have raised concerns about their negative effects on human health. Therefore, it investigated whether prenatal exposure to low doses of Ag-NPs is able to induce any abnormality in the cognitive and behavioral performance of adult offspring. We gavaged pregnant NMRI mice with, 1) Deionized water as vehicle, 2) Ag-NPs 10 nm (0.26 mg/kg/day), 3) Ag-NPs 30 nm (0.26 mg/kg/day), and 4) AgNO3 (0.26 mg/kg/day) from gestational day (GD) 0 until delivery day. At the postnatal day (PD) 1, our results showed that high concentration of silver is present in the brain of pups. Further, we observed mitochondrial dysfunction and upregulation of the genes relevant to innate immune system in the brain. At PD 60, results revealed that prenatal exposure to Ag-NPs provoked severe cognitive and behavioral abnormalities in male offspring. In addition, we found that prenatal exposure to Ag-NPs was associated with abnormal mitochondrial function and significant up-regulation of the genes relevant to innate immunity in the brain. Although the Ag-NPs have been considered as safe compounds at low doses, our results indicate that prenatal exposure to low doses of Ag-NPs is able to induce behavioral and cognitive abnormalities in adulthood. Also, we found that these effects are at least partly associated with hippocampal mitochondrial dysfunction and the activation of sterile inflammation during early stages of life.
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Affiliation(s)
- Shayan Amiri
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Aliakbar Yousefi-Ahmadipour
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Tissue Engineering and Applied Cell Sciences, Department of School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mir-Jamal Hosseini
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Arya Haj-Mirzaian
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Majid Momeny
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Heshmat Hosseini-Chegeni
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Tahmineh Mokhtari
- Research Center of Nervous System Stem Cells, Department of Anatomy, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran; Department of Anatomy, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Sharmin Kharrazi
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza Hassanzadeh
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Amini
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Somayeh Jafarinejad
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahmoud Ghazi-Khansari
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Iran Nanosafety Network (INSN) of Iran Nanotechnology Initiative Council (INIC), Tehran, Iran.
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Sahafi E, Peeri M, Hosseini MJ, Azarbyjani MA. Cardiac oxidative stress following maternal separation stress was mitigated following adolescent voluntary exercise in adult male rat. Physiol Behav 2018; 183:39-45. [DOI: 10.1016/j.physbeh.2017.10.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 10/17/2017] [Accepted: 10/19/2017] [Indexed: 12/27/2022]
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Haj-Mirzaian A, Amiri S, Amini-Khoei H, Hosseini MJ, Haj-Mirzaian A, Momeny M, Rahimi-Balaei M, Dehpour AR. Anxiety- and Depressive-Like Behaviors are Associated with Altered Hippocampal Energy and Inflammatory Status in a Mouse Model of Crohn’s Disease. Neuroscience 2017; 366:124-137. [DOI: 10.1016/j.neuroscience.2017.10.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 10/14/2017] [Accepted: 10/16/2017] [Indexed: 02/07/2023]
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6
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Amiri S, Haj-Mirzaian A, Momeny M, Amini-Khoei H, Rahimi-Balaei M, Poursaman S, Rastegar M, Nikoui V, Mokhtari T, Ghazi-Khansari M, Hosseini MJ. Streptozotocin induced oxidative stress, innate immune system responses and behavioral abnormalities in male mice. Neuroscience 2017; 340:373-383. [DOI: 10.1016/j.neuroscience.2016.11.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 11/03/2016] [Accepted: 11/04/2016] [Indexed: 01/08/2023]
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7
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Haj-Mirzaian A, Amiri S, Amini-Khoei H, Rahimi-Balaei M, Kordjazy N, Olson CO, Rastegar M, Naserzadeh P, Marzban H, Dehpour AR, Hosseini MJ, Samiei E, Mehr SE. Attenuation of oxidative and nitrosative stress in cortical area associates with antidepressant-like effects of tropisetron in male mice following social isolation stress. Brain Res Bull 2016; 124:150-63. [DOI: 10.1016/j.brainresbull.2016.04.018] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 04/16/2016] [Accepted: 04/25/2016] [Indexed: 12/13/2022]
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Yuan TY, Chen YC, Zhang HF, Li L, Jiao XZ, Xie P, Fang LH, Du GH. DL0805-2, a novel indazole derivative, relaxes angiotensin II-induced contractions of rat aortic rings by inhibiting Rho kinase and calcium fluxes. Acta Pharmacol Sin 2016; 37:604-16. [PMID: 27041459 DOI: 10.1038/aps.2015.161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Accepted: 12/25/2015] [Indexed: 12/30/2022] Open
Abstract
AIM DL0805-2 [N-(1H-indazol-5-yl)-1-(4-methylbenzyl) pyrrolidine-3-carboxamide] is a DL0805 derivative with more potent vasorelaxant activity and lower toxicity. This study was conducted to investigate the vasorelaxant mechanisms of DL0805-2 on angiotensin II (Ang II)-induced contractions of rat thoracic aortic rings in vitro. METHODS Rat thoracic aortic rings and rat aortic vascular smooth muscle cells (VSMCs) were pretreated with DL0805-2, and then stimulated with Ang II. The tension of the aortic rings was measured through an isometric force transducer. Ang II-induced protein phosphorylation, ROS production and F-actin formation were assessed with Western blotting and immunofluorescence assays. Intracellular free Ca(2+) concentrations were detected with Fluo-3 AM. RESULTS Pretreatment with DL0805-2 (1-100 μmol/L) dose-dependently inhibited the constrictions of the aortic rings induced by a single dose of Ang II (10(-7) mol/L) or accumulative addition of Ang II (10(-10)-10(-7) mol/L). The vasodilatory effect of DL0805-2 was independent of endothelium. In the aortic rings, pretreatment with DL0805-2 (1, 3, and 10 μmol/L) suppressed Ang II-induced Ca(2+) influx and intracellular Ca(2+) mobilization, and Ang II-induced phosphorylation of two substrates of Rho kinase (MLC and MYPT1). In VSMCs, pretreatment with DL0805-2 (1, 3, and 10 μmol/L) also suppressed Ang II-induced Ca(2+) fluxes and phosphorylation of MLC and MYPT1. In addition, pretreatment with DL0805-2 attenuated ROS production and F-actin formation in the cells. CONCLUSION DL0805-2 exerts a vasodilatory action in rat aortic rings through inhibiting the Rho/ROCK pathway and calcium fluxes.
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García-Marqués F, Trevisan-Herraz M, Martínez-Martínez S, Camafeita E, Jorge I, Lopez JA, Méndez-Barbero N, Méndez-Ferrer S, Del Pozo MA, Ibáñez B, Andrés V, Sánchez-Madrid F, Redondo JM, Bonzon-Kulichenko E, Vázquez J. A Novel Systems-Biology Algorithm for the Analysis of Coordinated Protein Responses Using Quantitative Proteomics. Mol Cell Proteomics 2016; 15:1740-60. [PMID: 26893027 DOI: 10.1074/mcp.m115.055905] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Indexed: 11/06/2022] Open
Abstract
The coordinated behavior of proteins is central to systems biology. However, the underlying mechanisms are poorly known and methods to analyze coordination by conventional quantitative proteomics are still lacking. We present the Systems Biology Triangle (SBT), a new algorithm that allows the study of protein coordination by pairwise quantitative proteomics. The Systems Biology Triangle detected statistically significant coordination in diverse biological models of very different nature and subjected to different kinds of perturbations. The Systems Biology Triangle also revealed with unprecedented molecular detail an array of coordinated, early protein responses in vascular smooth muscle cells treated at different times with angiotensin-II. These responses included activation of protein synthesis, folding, turnover, and muscle contraction - consistent with a differentiated phenotype-as well as the induction of migration and the repression of cell proliferation and secretion. Remarkably, the majority of the altered functional categories were protein complexes, interaction networks, or metabolic pathways. These changes could not be detected by other algorithms widely used by the proteomics community, and the vast majority of proteins involved have not been described before to be regulated by AngII. The unique capabilities of The Systems Biology Triangle to detect functional protein alterations produced by the coordinated action of proteins in pairwise quantitative proteomics experiments make this algorithm an attractive choice for the biological interpretation of results on a routine basis.
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Affiliation(s)
- Fernando García-Marqués
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Marco Trevisan-Herraz
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Sara Martínez-Martínez
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Emilio Camafeita
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Inmaculada Jorge
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Juan Antonio Lopez
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Nerea Méndez-Barbero
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Simón Méndez-Ferrer
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Miguel Angel Del Pozo
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Borja Ibáñez
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Vicente Andrés
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | | | - Juan Miguel Redondo
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Elena Bonzon-Kulichenko
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
| | - Jesús Vázquez
- From the ‡Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain
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Hsu JH, Liou SF, Yang SN, Wu BN, Dai ZK, Chen IJ, Yeh JL, Wu JR. B-type natriuretic peptide inhibits angiotensin II-induced proliferation and migration of pulmonary arterial smooth muscle cells. Pediatr Pulmonol 2014; 49:734-44. [PMID: 24167111 DOI: 10.1002/ppul.22904] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Revised: 06/21/2013] [Accepted: 08/13/2013] [Indexed: 01/10/2023]
Abstract
Pulmonary vascular remodeling, characterized by disordered proliferation and migration of pulmonary arterial smooth muscle cells (PASMCs), is a pathognomonic feature of pulmonary arterial hypertension. Thus, pharmacologic strategy targeting on anti-proliferation and anti-migration of PASMCs may have therapeutic implications for PAH. Here we investigated the effects and underlying mechanisms of B-type natriuretic peptide (BNP) on angiotensin II (Ang II)-induced proliferation and migration of PASMCs. Proliferation and migration of PASMCs cultured from Wistar rats were induced by Ang II, with or without BNP treatment. In addition, potential underlying mechanisms including cell cycle progression, Ca(2+) overload, reactive oxygen species (ROS) production, signal transduction of MAPK and Akt, and the cGMP/PKG pathway were examined. We found that BNP inhibited Ang II-induced PASMCs proliferation and migration dose dependently. BNP could also arrest the cell cycle progression in the G0/G1-phase. In addition, BNP attenuated intracellular calcium overload caused by Ang II. Moreover, Ang II-induced ROS production was mitigated by BNP, with associated down-regulation of NAD(P)H oxidase 1 (Nox1) and reduced mitochondrial ROS production. Finally, Ang II-activated MAPKs and Akt were also counteracted by BNP. Of note, all these effects of BNP were abolished by a PKG inhibitor (Rp-8-Br-PET-cGMPS). In conclusion, BNP inhibits Ang II-induced PASMCs proliferation and migration. These effects are potentially mediated by decreased calcium influx, reduced ROS production by Nox1 and mitochondria, and down-regulation of MAPK and Akt signal transduction, through the cGMP/PKG pathway. Therefore, this study implicates that BNP may have a therapeutic role in pulmonary vascular remodeling.
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Affiliation(s)
- Jong-Hau Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Pediatrics, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Liu FY, Liu XY, Zhang LJ, Cheng YP, Jiang YN. Binding of prorenin to (pro)renin receptor induces the proliferation of human umbilical artery smooth muscle cells via ROS generation and ERK1/2 activation. J Renin Angiotensin Aldosterone Syst 2014; 15:99-108. [PMID: 24591529 DOI: 10.1177/1470320314525215] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
INTRODUCTION Since the discovery of the (pro)renin receptor (PRR), it has been considered as a novel bioactive molecule of the renin-angiotensin system (RAS). The activation of PRR can elicit a series of angiotensin II (AngII)-independent effects. MATERIALS AND METHODS In this study, we investigated the effects of prorenin and PRR on the proliferation of human umbilical artery smooth muscle (HUASM) cells and explored the possible mechanisms underlying these effects. RESULTS The binding of prorenin to PRR can promote proliferation and upregulate the anti-apoptotic protein Bcl-2 and downregulate the pro-apoptotic protein Bax independently of AngII in HUASM cells. In addition, the binding of prorenin to PRR can also increase the production of reactive oxygen species (ROS) and the phosphorylation of extracellular signal-regulated kinase (ERK1/2) independently of AngII. The pretreatment of HUASM cells with an NADPH oxidase inhibitor DPI decreased the production of ROS and also decreased the phosphorylation of ERK1/2. Furthermore, pretreatment of HUASM cells with DPI and the ERK1/2 inhibitor PD98059 significantly attenuated the prorenin-induced proliferation and regulation of apoptosis factors. CONCLUSION Binding of prorenin to PRR can induce HUASM cell proliferation via the ROS generation and ERK1/2 activation.
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Affiliation(s)
- Feng Y Liu
- Dalian Medical University, Dalian, PR China
| | - Xiao Y Liu
- Dalian Medical University, Dalian, PR China
| | - Li J Zhang
- Dalian Medical University, Dalian, PR China
| | - Yun P Cheng
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, PR China
| | - Yi N Jiang
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, PR China
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Rutaecarpine inhibits angiotensin II-induced proliferation in rat vascular smooth muscle cells. Chin J Integr Med 2013; 20:682-7. [PMID: 23775171 DOI: 10.1007/s11655-013-1198-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2011] [Indexed: 01/31/2023]
Abstract
OBJECTIVE To evaluate the effects and possible mechanisms of rutaecarpine on angiotensin II (Ang II)-induced proliferation in cultured rat vascular smooth muscle cells (VSMCs). METHODS VSMCs were isolated from Male Sprague-Dawley rat aorta, and cultured by enzymic dispersion method. Experiments were performed with cells from passages 3-8. The cultured VSMCs were randomly divided into control, model (Ang II 0.1 μmol/L), and rutaecarpine (0.3-3.0 μmol/L) groups. VMSC proliferation was induced by Ang II, and was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide assay and cell counting. To examine the mechanisms involved in anti-proliferative effects of rutaecarpine, nitric oxide (NO) levels and NO synthetase (NOS) activity were determined. Expressions of VSMC proliferation-related genes including endothelial nitric oxide synthase (eNOS), and c-myc hypertension related gene-1 (HRG-1) were determined by real-time reverse transcription-polymerase chain reaction (RT-PCR). RESULTS Rutaecarpine (0.3-3.0 μmol/L) inhibited Ang II-induced VSMC proliferation and the best effects were achieved at 3.0 μmol/L. The Ang II-induced decreases in cellular NO contents and NOS activities were antagonized by rutaecarpine (P <0.05). Ang II administration suppressed the expressions of eNOS and HRG-1, while increased c-myc expression (P <0.05). All these effects were attenuated by 3.0 μmol/L rutaecarpine (P <0.05). CONCLUSION Rutaecarpine is effective against Ang II-induced rat VSMC proliferation, and this effect is due, at least in part, to NO production and the modulation of VMSC proliferation-related gene expressions.
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Zhang L, Deng M, Zhou S. Tetramethylpyrazine inhibits hypoxia-induced pulmonary vascular leakage in rats via the ROS-HIF-VEGF pathway. Pharmacology 2011; 87:265-73. [PMID: 21494058 DOI: 10.1159/000326082] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Accepted: 02/14/2011] [Indexed: 01/06/2023]
Abstract
Tetramethylpyrazine (TMP) is a reactive oxygen species (ROS) antagonist that has potent properties for the treatment of a variety of vascular diseases, such as ischemic stroke and pulmonary hypertension secondary to chronic obstructive pulmonary diseases. However, there are few data about the role of TMP in hypoxia-induced pulmonary vascular leakage. This study examined the effect of TMP on hypoxia-induced pulmonary vascular leakage and the underlying mechanisms. Rat pulmonary microvascular endothelial cells (RPMVECs) treated with TMP or not were subjected to hypoxic or normoxic conditions for 24 h, and the monolayer permeability, intracellular ROS, hypoxia-inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF) proteins levels were determined. Additionally, rats administrated TMP were exposed to hypobaric hypoxia to evaluate the effect of TMP in vivo by measuring lung water content, pulmonary vascular leakage into the lungs and immunohistochemistry for HIF-1α and VEGF. Hypoxia was found to cause a significant increase in RPMVEC monolayer permeability and intracellular ROS, HIF-1α and VEGF protein levels. Treatment with TMP decreased the hypoxia-induced RPMVEC monolayer permeability and attenuated the elevation of ROS, HIF-1α and VEGF protein levels. TMP-treated animals showed less pulmonary vascular leakage and HIF-1α and VEGF expression compared with those exposed to hypoxia alone. These observations supported that TMP inhibited the increase in pulmonary vascular permeability induced by hypoxia. The underlying mechanisms may be related to the scavenging of intracellular ROS and the suppression of hypoxia-induced upregulation of HIF-1α and VEGF proteins.
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Affiliation(s)
- Le Zhang
- Base for Drug Clinical Trials, Xinqiao Hospital, Third Military Medical University, Chongqing, China
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Kuang CY, Yu Y, Wang K, Qian DH, Den MY, Huang L. Knockdown of transient receptor potential canonical-1 reduces the proliferation and migration of endothelial progenitor cells. Stem Cells Dev 2011; 21:487-96. [PMID: 21361857 DOI: 10.1089/scd.2011.0027] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Endothelial progenitor cells (EPCs) play an important role in accelerating endothelial repair after vascular injury. The proliferation and migration of EPCs is a critical first step in restoring endothelial. However, mechanisms for modulating EPC proliferation and migration are still being elucidated. Our previous study found that transient receptor potential canonical-1 (TRPC1) is involved in regulating store-operated Ca(2+) entry in EPCs through stromal interaction molecule 1. Therefore, in the present study, we sought to further investigate the regulation of proliferation and migration of EPCs by TRPC1. We found that the silencing of TRPC1 by 2 different RNA interference methods suppressed the proliferation and migration of EPCs. In addition, knockdown of TRPC1 significantly reduced of the amplitude of store-operated Ca(2+) entry and caused arrest of the EPC cell cycle in G1 phase. Analysis of the expression of 84 cell cycle genes by microarray showed that 9 genes were upregulated and 4 were downregulated by >2-fold in EPCs following TRPC1 silencing. The genes with expression changes were Ak1, Brca2, Camk2b, p21, Ddit3, Inha, Slfn1, Mdm2, Prm1, Bcl2, Mki67, Pmp22, and Ppp2r3a. Finally, we found that a Schlafen 1-blocking peptide partially reversed the abnormal cell cycle distribution and proliferation induced by TRPC1 knockdown, suggesting that Schlafen 1 is downstream of TRPC1 silencing in regulating EPC proliferation. In summary, these findings provide a new mechanism for modulating the biological properties of EPCs and suggest that TRPC1 may be a new target for inducing vascular repair by EPCs.
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Affiliation(s)
- Chun-yan Kuang
- Institute of Cardiovascular Diseases of PLA, Xinqiao Hospital, Third Military Medical University, Chongqing, People's Republic of China
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Shi Y, Song M, Guo R, Wang H, Gao P, Shi W, Huang L. Knockdown of stromal interaction molecule 1 attenuates hepatocyte growth factor-induced endothelial progenitor cell proliferation. Exp Biol Med (Maywood) 2010; 235:317-25. [PMID: 20404049 DOI: 10.1258/ebm.2009.009237] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Increased Ca(2+) entry through store-operated Ca(2+) channels (SOCCs) plays an essential role in the regulation of hepatocyte growth factor (HGF)-induced cell proliferation. Stromal interaction molecule 1 (STIM1) is thought to transmit endoplasmic reticulum (ER) Ca(2+) store depletion signals to the plasma membrane (PM), causing the opening of SOCCs in the PM. However, the relationship between HGF and STIM1 in endothelial progenitor cell (EPC) proliferation remains uncharacterized. The objective of this study was to evaluate the potential involvement of STIM1 in HGF-induced EPC proliferation. For this purpose, we used cultured rat bone marrow-derived EPCs and found that HGF-induced EPC proliferation at low concentrations. Store-operated Ca(2+) entry (SOCE) was elevated in HGF-treated EPCs, and the SOCC inhibitors 2-aminoethoxydiphenyl borate (2-APB) and BTP-2 inhibited the HGF-induced proliferation response. Moreover, STIM1 mRNA and protein expression levels were increased in response to HGF stimulation and knockdown of STMI1 decreased SOCE and prevented HGF-induced EPC proliferation. In conclusion, our data suggest that HGF-induced EPC proliferation is mediated partly via activation of STIM1.
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Affiliation(s)
- Yankun Shi
- Institute of Cardiovascular Diseases of PLA, Xinqiao Hospital, Third Military Medical University, Chongqing, People's Republic of China
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