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Angiotensin II Type I Receptor (AT1R): The Gate towards COVID-19-Associated Diseases. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27072048. [PMID: 35408447 PMCID: PMC9000463 DOI: 10.3390/molecules27072048] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/14/2022] [Accepted: 03/21/2022] [Indexed: 01/08/2023]
Abstract
The binding of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike glycoprotein to its cellular receptor, the angiotensin-converting enzyme 2 (ACE2), causes its downregulation, which subsequently leads to the dysregulation of the renin-angiotensin system (RAS) in favor of the ACE-angiotensin II (Ang II)-angiotensin II type I receptor (AT1R) axis. AT1R has a major role in RAS by being involved in several physiological events including blood pressure control and electrolyte balance. Following SARS-CoV-2 infection, pathogenic episodes generated by the vasoconstriction, proinflammatory, profibrotic, and prooxidative consequences of the Ang II-AT1R axis activation are accompanied by a hyperinflammatory state (cytokine storm) and an acute respiratory distress syndrome (ARDS). AT1R, a member of the G protein-coupled receptor (GPCR) family, modulates Ang II deleterious effects through the activation of multiple downstream signaling pathways, among which are MAP kinases (ERK 1/2, JNK, p38MAPK), receptor tyrosine kinases (PDGF, EGFR, insulin receptor), and nonreceptor tyrosine kinases (Src, JAK/STAT, focal adhesion kinase (FAK)), and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase. COVID-19 is well known for generating respiratory symptoms, but because ACE2 is expressed in various body tissues, several extrapulmonary pathologies are also manifested, including neurologic disorders, vasculature and myocardial complications, kidney injury, gastrointestinal symptoms, hepatic injury, hyperglycemia, and dermatologic complications. Therefore, the development of drugs based on RAS blockers, such as angiotensin II receptor blockers (ARBs), that inhibit the damaging axis of the RAS cascade may become one of the most promising approaches for the treatment of COVID-19 in the near future. We herein review the general features of AT1R, with a special focus on the receptor-mediated activation of the different downstream signaling pathways leading to specific cellular responses. In addition, we provide the latest insights into the roles of AT1R in COVID-19 outcomes in different systems of the human body, as well as the role of ARBs as tentative pharmacological agents to treat COVID-19.
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Pires de Souza GA, Osman IO, Le Bideau M, Baudoin JP, Jaafar R, Devaux C, La Scola B. Angiotensin II Receptor Blockers (ARBs Antihypertensive Agents) Increase Replication of SARS-CoV-2 in Vero E6 Cells. Front Cell Infect Microbiol 2021; 11:639177. [PMID: 34178717 PMCID: PMC8231006 DOI: 10.3389/fcimb.2021.639177] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 05/21/2021] [Indexed: 01/08/2023] Open
Abstract
Several comorbidities, including hypertension, have been associated with an increased risk of developing severe disease during SARS-CoV-2 infection. Angiotensin II receptor blockers (ARBs) are currently some of the most widely-used drugs to control blood pressure by acting on the angiotensin II type 1 receptor (AT1R). ARBs have been reported to trigger the modulation of the angiotensin I converting enzyme 2 (ACE2), the receptor used by the virus to penetrate susceptible cells, raising concern that such treatments may promote virus capture and increase their viral load in patients receiving ARBs therapy. In this in vitro study, we reviewed the effect of ARBs on ACE2 and AT1R expression and investigated whether treatment of permissive ACE2+/AT1R+ Vero E6 cells with ARBs alters SARS-CoV-2 replication in vitro in an angiotensin II-free system. After treating the cells with the ARBs, we observed an approximate 50% relative increase in SARS-CoV-2 production in infected Vero E6 cells that correlates with the ARBs-induced up-regulation of ACE2 expression. From this data, we believe that the use of ARBs in hypertensive patients infected by SARS-CoV-2 should be carefully evaluated.
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Affiliation(s)
- Gabriel Augusto Pires de Souza
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), Assistance Publique - Hôpitaux de Marseille (AP-HM), MEPHI, Marseille, France.,Microbes, Evolution, Phylogénie et Infection (MEPHI), IHU - Méditerranée Infection, Marseille, France
| | - Ikram Omar Osman
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), Assistance Publique - Hôpitaux de Marseille (AP-HM), MEPHI, Marseille, France.,Microbes, Evolution, Phylogénie et Infection (MEPHI), IHU - Méditerranée Infection, Marseille, France
| | - Marion Le Bideau
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), Assistance Publique - Hôpitaux de Marseille (AP-HM), MEPHI, Marseille, France.,Microbes, Evolution, Phylogénie et Infection (MEPHI), IHU - Méditerranée Infection, Marseille, France
| | - Jean-Pierre Baudoin
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), Assistance Publique - Hôpitaux de Marseille (AP-HM), MEPHI, Marseille, France.,Microbes, Evolution, Phylogénie et Infection (MEPHI), IHU - Méditerranée Infection, Marseille, France
| | - Rita Jaafar
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), Assistance Publique - Hôpitaux de Marseille (AP-HM), MEPHI, Marseille, France.,Microbes, Evolution, Phylogénie et Infection (MEPHI), IHU - Méditerranée Infection, Marseille, France
| | - Christian Devaux
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), Assistance Publique - Hôpitaux de Marseille (AP-HM), MEPHI, Marseille, France.,Microbes, Evolution, Phylogénie et Infection (MEPHI), IHU - Méditerranée Infection, Marseille, France.,Centre National de La Recherche Scientifique (CNRS), Marseille, France
| | - Bernard La Scola
- Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), Assistance Publique - Hôpitaux de Marseille (AP-HM), MEPHI, Marseille, France.,Microbes, Evolution, Phylogénie et Infection (MEPHI), IHU - Méditerranée Infection, Marseille, France
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Oz M, Lorke DE, Kabbani N. A comprehensive guide to the pharmacologic regulation of angiotensin converting enzyme 2 (ACE2), the SARS-CoV-2 entry receptor. Pharmacol Ther 2021; 221:107750. [PMID: 33275999 PMCID: PMC7854082 DOI: 10.1016/j.pharmthera.2020.107750] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/18/2020] [Accepted: 11/19/2020] [Indexed: 02/06/2023]
Abstract
The recent emergence of coronavirus disease-2019 (COVID-19) as a global pandemic has prompted scientists to address an urgent need for defining mechanisms of disease pathology and treatment. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent for COVID-19, employs angiotensin converting enzyme 2 (ACE2) as its primary target for cell surface attachment and likely entry into the host cell. Thus, understanding factors that may regulate the expression and function of ACE2 in the healthy and diseased body is critical for clinical intervention. Over 66% of all adults in the United States are currently using a prescription drug and while earlier findings have focused on possible upregulation of ACE2 expression through the use of renin angiotensin system (RAS) inhibitors, mounting evidence suggests that various other widely administered drugs used in the treatment of hypertension, heart failure, diabetes mellitus, hyperlipidemias, coagulation disorders, and pulmonary disease may also present a varied risk for COVID-19. Specifically, we summarize mechanisms on how heparin, statins, steroids and phytochemicals, besides their established therapeutic effects, may also interfere with SARS-CoV-2 viral entry into cells. We also describe evidence on the effect of several vitamins, phytochemicals, and naturally occurring compounds on ACE2 expression and activity in various tissues and disease models. This comprehensive review aims to provide a timely compendium on the potential impact of commonly prescribed drugs and pharmacologically active compounds on COVID-19 pathology and risk through regulation of ACE2 and RAS signaling.
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Key Words
- adam17, a disintegrin and metalloprotease 17
- ace, angiotensin i converting enzyme
- ace-inh., angiotensin i converting enzyme inhibitor
- ampk, amp-activated protein kinase
- ang-ii, angiotensin ii
- arb, angiotensin ii type 1-receptor blocker
- ards, acute respiratory distress syndrome
- at1-r, angiotensin ii type 1-receptor
- βarb, β-adrenergic receptor blockers
- bk, bradykinin
- ccb, calcium channel blockers
- ch25h, cholesterol-25-hydroxylase
- copd, chronic obstructive lung disease
- cox, cyclooxygenase
- covid-19, coronavirus disease-2019
- dabk, [des-arg9]-bradykinin
- erk, extracellular signal-regulated kinase
- 25hc, 25-hydroxycholesterol
- hs, heparan sulfate
- hspg, heparan sulfate proteoglycan
- ibd, inflammatory bowel disease
- map, mitogen-activated protein
- mers, middle east respiratory syndrome
- mrb, mineralocorticoid receptor blocker
- nos, nitric oxide synthase
- nsaid, non-steroid anti-inflammatory drug
- ras, renin-angiotensin system
- sars-cov, severe acute respiratory syndrome coronavirus
- sh, spontaneously hypertensive
- s protein, spike protein
- sirt1, sirtuin 1
- t2dm, type 2 diabetes mellitus
- tcm, traditional chinese medicine
- tmprss2, transmembrane protease, serine 2
- tnf, tumor necrosis factor
- ufh, unfractionated heparin
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Affiliation(s)
- Murat Oz
- Department of Pharmacology and Therapeutics, Faculty of Pharmacy, Kuwait University, Safat 13110, Kuwait.
| | - Dietrich Ernst Lorke
- Department of Anatomy and Cellular Biology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates; Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Nadine Kabbani
- School of Systems Biology, George Mason University, Fairfax, VA 22030, USA
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