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Crosstalk between the renin-angiotensin, complement and kallikrein-kinin systems in inflammation. Nat Rev Immunol 2021; 22:411-428. [PMID: 34759348 PMCID: PMC8579187 DOI: 10.1038/s41577-021-00634-8] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2021] [Indexed: 12/28/2022]
Abstract
During severe inflammatory and infectious diseases, various mediators modulate the equilibrium of vascular tone, inflammation, coagulation and thrombosis. This Review describes the interactive roles of the renin–angiotensin system, the complement system, and the closely linked kallikrein–kinin and contact systems in cell biological functions such as vascular tone and leakage, inflammation, chemotaxis, thrombosis and cell proliferation. Specific attention is given to the role of these systems in systemic inflammation in the vasculature and tissues during hereditary angioedema, cardiovascular and renal glomerular disease, vasculitides and COVID-19. Moreover, we discuss the therapeutic implications of these complex interactions, given that modulation of one system may affect the other systems, with beneficial or deleterious consequences. The renin–angiotensin, complement and kallikrein–kinin systems comprise a multitude of mediators that modulate physiological responses during inflammatory and infectious diseases. This Review investigates the complex interactions between these systems and how these are dysregulated in various conditions, including cardiovascular diseases and COVID-19, as well as their therapeutic implications.
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Binding Mode Exploration of B1 Receptor Antagonists' by the Use of Molecular Dynamics and Docking Simulation-How Different Target Engagement Can Determine Different Biological Effects. Int J Mol Sci 2020; 21:ijms21207677. [PMID: 33081372 PMCID: PMC7590058 DOI: 10.3390/ijms21207677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/10/2020] [Accepted: 10/12/2020] [Indexed: 01/24/2023] Open
Abstract
The kinin B1 receptor plays a critical role in the chronic phase of pain and inflammation. The development of B1 antagonists peaked in recent years but almost all promising molecules failed in clinical trials. Little is known about these molecules' mechanisms of action and additional information will be necessary to exploit the potential of the B1 receptor. With the aim of contributing to the available knowledge of the pharmacology of B1 receptors, we designed and characterized a novel class of allosteric non-peptidic inhibitors with peculiar binding characteristics. Here, we report the binding mode analysis and pharmacological characterization of a new allosteric B1 antagonist, DFL20656. We analyzed the binding of DFL20656 by single point mutagenesis and radioligand binding assays and we further characterized its pharmacology in terms of IC50, B1 receptor internalization and in vivo activity in comparison with different known B1 antagonists. We highlighted how different binding modes of DFL20656 and a Merck compound (compound 14) within the same molecular pocket can affect the biological and pharmacological properties of B1 inhibitors. DFL20656, by its peculiar binding mode, involving tight interactions with N114, efficiently induced B1 receptor internalization and evoked a long-lasting effect in an in vivo model of neuropathic pain. The pharmacological characterization of different B1 antagonists highlighted the effects of their binding modes on activity, receptor occupancy and internalization. Our results suggest that part of the failure of most B1 inhibitors could be ascribed to a lack of knowledge about target function and engagement.
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Visniauskas B, Simões PSR, Dalio FM, Naffah-Mazzacoratti MDG, Oliveira V, Tufik S, Chagas JR. Sleep deprivation changes thimet oligopeptidase (THOP1) expression and activity in rat brain. Heliyon 2019; 5:e02896. [PMID: 31828230 PMCID: PMC6889027 DOI: 10.1016/j.heliyon.2019.e02896] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/01/2019] [Accepted: 11/18/2019] [Indexed: 12/27/2022] Open
Abstract
The consequences of sleep deprivation on memory, cognition, nociception, stress, and endocrine function are related to the balance of neuropeptides, with peptidases being particularly essential. Thimet oligopeptidase (THOP1) is a metallopeptidase implicated in the metabolism of many sleep-related peptides, including angiotensin I, gonadotropin releasing hormone (GnRH), neurotensin, and opioid peptides. In the present study, we evaluated the effect of sleep deprivation and sleep recovery in male rats on THOP1 expression and specific activity in the central nervous system. In the striatum and hypothalamus, THOP1 activity decreased following sleep deprivation and a recovery period. Meanwhile, THOP1 activity and immunoexpression increased in the hippocampal dentate gyrus during the sleep recovery period. Changes in THOP1 expression after sleep deprivation and during sleep recovery can potentially alter the processing of neuropeptides. In particular, processing of opioid peptides may be related to the known increase in pain sensitivity in this model. These results suggest that THOP1 may be an important player in the effects of sleep deprivation.
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Affiliation(s)
- Bruna Visniauskas
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, 04024-002, Brazil
| | - Priscila S R Simões
- Department of Neurology/Neurosurgery, Universidade Federal de São Paulo, São Paulo, 04039-032, Brazil
| | - Fernanda M Dalio
- Department of Biophysics, Universidade Federal de São Paulo, São Paulo, 04039-032, Brazil
| | | | - Vitor Oliveira
- Department of Biophysics, Universidade Federal de São Paulo, São Paulo, 04039-032, Brazil
| | - Sergio Tufik
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, 04024-002, Brazil
| | - Jair R Chagas
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, 04024-002, Brazil.,Department of Biophysics, Universidade Federal de São Paulo, São Paulo, 04039-032, Brazil
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Wagner L, Björkqvist M, Lundh SH, Wolf R, Börgel A, Schlenzig D, Ludwig HH, Rahfeld JU, Leavitt B, Demuth HU, Petersén Å, von Hörsten S. Neuropeptide Y (NPY) in cerebrospinal fluid from patients with Huntington's Disease: increased NPY levels and differential degradation of the NPY1-30
fragment. J Neurochem 2016; 137:820-37. [DOI: 10.1111/jnc.13624] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 03/17/2016] [Accepted: 03/20/2016] [Indexed: 12/31/2022]
Affiliation(s)
- Leona Wagner
- Deutschsprachige Selbsthilfegruppe für Alkaptonurie (DSAKU) e.V.; Stuttgart Germany
- Probiodrug AG; Halle (Saale) Germany
- Department of Experimental Therapy; Franz-Penzoldt-Center; Friedrich-Alexander-University Erlangen-Nürnberg; Erlangen Germany
| | - Maria Björkqvist
- Brain Disease Biomarker Unit; Department of Experimental Medical Science; Wallenberg Neuroscience Centre; Lund University; Lund Sweden
| | - Sofia Hult Lundh
- Translational Neuroendocrine Research Unit; Lund University; Lund Sweden
| | - Raik Wolf
- Probiodrug AG; Halle (Saale) Germany
- Center for Clinical Chemistry, Microbiology and Transfusion; Klinikum St. Georg GmbH; Leipzig Germany
| | - Arne Börgel
- Probiodrug AG; Halle (Saale) Germany
- Institute of Molecular Biology (IMB); Johannes Gutenberg-University Mainz; Mainz Germany
| | - Dagmar Schlenzig
- Department of Drug Design and Target Validation; Fraunhofer-Institute for Cell Therapy and Immunology; Halle (Saale) Germany
| | | | - Jens-Ulrich Rahfeld
- Department of Drug Design and Target Validation; Fraunhofer-Institute for Cell Therapy and Immunology; Halle (Saale) Germany
| | - Blair Leavitt
- The Centre for Molecular Medicine and Therapeutics Child and Family Research Institute; BC Children's Hospital; The University of British Columbia; Vancouver British Columbia
| | - Hans-Ulrich Demuth
- Department of Drug Design and Target Validation; Fraunhofer-Institute for Cell Therapy and Immunology; Halle (Saale) Germany
| | - Åsa Petersén
- Translational Neuroendocrine Research Unit; Lund University; Lund Sweden
| | - Stephan von Hörsten
- Department of Experimental Therapy; Franz-Penzoldt-Center; Friedrich-Alexander-University Erlangen-Nürnberg; Erlangen Germany
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Russo LC, Castro LM, Gozzo FC, Ferro ES. Inhibition of thimet oligopeptidase by siRNA alters specific intracellular peptides and potentiates isoproterenol signal transduction. FEBS Lett 2012; 586:3287-92. [DOI: 10.1016/j.febslet.2012.07.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2012] [Revised: 06/14/2012] [Accepted: 07/02/2012] [Indexed: 12/11/2022]
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Uchida Y, Endoh T, Tazaki M, Sueishi K. Chronic bradykinin treatment alters 1α,25-dihydroxyvitamin D3-induced calcium current modulation in pre-osteoblasts. Cell Calcium 2012; 51:383-92. [DOI: 10.1016/j.ceca.2011.12.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Revised: 12/21/2011] [Accepted: 12/24/2011] [Indexed: 11/29/2022]
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Gomez R, Por ED, Berg KA, Clarke WP, Glucksman MJ, Jeske NA. Metallopeptidase inhibition potentiates bradykinin-induced hyperalgesia. Pain 2011; 152:1548-1554. [PMID: 21458920 DOI: 10.1016/j.pain.2011.02.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2010] [Revised: 01/10/2011] [Accepted: 02/18/2011] [Indexed: 10/18/2022]
Abstract
The neuropeptide bradykinin (BK) sensitizes nociceptor activation following its release in response to inflammatory injury. Thereafter, the bioactivity of bradykinin is controlled by the enzymatic activities of circulating peptidases. One such enzyme, the metalloendopeptidase EC3.4.24.15 (EP24.15), is co-expressed with bradykinin receptors in primary afferent neurons. In this study, using approaches encompassing pharmacology, biochemistry, cell biology, and behavioral animal models, we identified a crucial role for EP24.15 and the closely related EP24.16 in modulating bradykinin-mediated hyperalgesia. Pharmacological analyses indicated that EP24.15 and EP24.16 inhibition significantly enhances bradykinin type-2 receptor activation by bradykinin in primary trigeminal ganglia cultures. In addition, bradykinin-induced sensitization of TRPV1 activation was increased in the presence of the EP24.15/16 inhibitor JA-2. Furthermore, behavioral analyses illustrated a significant dose-response relationship between JA-2 and bradykinin-mediated thermal hyperalgesia. These results indicate an important physiological role for the metallopeptidases EP24.15 and EP24.16 in regulating bradykinin-mediated sensitization of primary afferent nociceptors.
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Affiliation(s)
- Ruben Gomez
- Department of Oral and Maxillofacial Surgery, University of Texas Health Science Center of San Antonio, TX, USA Department of Pharmacology, University of Texas Health Science Center of San Antonio, TX, USA Center for Biomedical Neuroscience, University of Texas Health Science Center of San Antonio, TX, USA Department of Biochemistry and Molecular Biology and Midwest Proteome Center, Rosalind Franklin University of Medicine and Science/Chicago Medical School, North Chicago, IL, USA
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Bryant J, Shariat-Madar Z. Human plasma kallikrein-kinin system: physiological and biochemical parameters. Cardiovasc Hematol Agents Med Chem 2009; 7:234-50. [PMID: 19689262 PMCID: PMC4905712 DOI: 10.2174/187152509789105444] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The plasma kallikrein-kinin system (KKS) plays a critical role in human physiology. The KKS encompasses coagulation factor XII (FXII), the complex of prekallikrein (PK) and high molecular weight kininogen (HK). The conversion of plasma prekallikrein to kallikrein by the activated FXII and in response to numerous different stimuli leads to the generation of bradykinin (BK) and activated HK (HKa, an antiangiogenic peptide). BK is a proinflammatory peptide, a pain mediator and potent vasodilator, leading to robust accumulation of fluid in the interstitium. Systemic production of BK, HKa with the interplay between BK bound-BK receptors and the soluble form of HKa are key to angiogenesis and hemodynamics. KKS has been implicated in the pathogenesis of inflammation, hypertension, endotoxemia, and coagulopathy. In all these cases increased BK levels is the hallmark. In some cases, the persistent production of BK due to the deficiency of the blood protein C1-inhibitor, which controls FXII, is detrimental to the survival of the patients with hereditary angioedema (HAE). In others, the inability of angiotensin converting enzyme (ACE) to degrade BK leads to elevated BK levels and edema in patients on ACE inhibitors. Thus, the mechanisms that interfere with BK liberation or degradation would lead to blood pressure dysfunction. In contrast, anti-kallikrein treatment could have adverse effects in hemodynamic changes induced by vasoconstrictor agents. Genetic models of kallikrein deficiency are needed to evaluate the quantitative role of kallikrein and to validate whether strategies designed to activate or inhibit kallikrein may be important for regulating whole-body BK sensitivity.
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Affiliation(s)
- J.W. Bryant
- Pfizer Global Research and Development, CVMED Exploratory, Groton, CT 06340
| | - z Shariat-Madar
- School of Pharmacy, Department of Pharmacology, University of Mississippi, University, MS 38677-1848
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Malito E, Ralat LA, Manolopoulou M, Tsay JL, Wadlington NL, Tang WJ. Molecular bases for the recognition of short peptide substrates and cysteine-directed modifications of human insulin-degrading enzyme. Biochemistry 2009; 47:12822-34. [PMID: 18986166 DOI: 10.1021/bi801192h] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Insulin degrading enzyme (IDE) utilizes a large catalytic chamber to selectively bind and degrade peptide substrates such as insulin and amyloid beta (Abeta). Tight interactions with substrates occur at an exosite located approximately 30 A away from the catalytic center that anchors the N-terminus of substrates to facilitate binding and subsequent cleavages at the catalytic site. However, IDE also degrades peptide substrates that are too short to occupy both the catalytic site and the exosite simultaneously. Here, we use kinins as a model system to address the kinetics and regulation of human IDE with short peptides. IDE specifically degrades bradykinin and kallidin at the Pro/Phe site. A 1.9 A crystal structure of bradykinin-bound IDE reveals the binding of bradykinin to the exosite and not to the catalytic site. In agreement with observed high K(m) values, this suggests low affinity of bradykinin for IDE. This structure also provides the molecular basis on how the binding of short peptides at the exosite could regulate substrate recognition. We also found that human IDE is potently inhibited by physiologically relevant concentrations of S-nitrosylation and oxidation agents. Cysteine-directed modifications play a key role, since an IDE mutant devoid of all 13 cysteines is insensitive to the inhibition by S-nitrosoglutathione, hydrogen peroxide, or N-ethylmaleimide. Specifically, cysteine 819 of human IDE is located inside the catalytic chamber pointing toward an extended hydrophobic pocket and is critical for the inactivation. Thiol-directed modification of this residue likely causes local structural perturbation to reduce substrate binding and catalysis.
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Affiliation(s)
- Enrico Malito
- Ben-May Department for Cancer Research, Biological Science Collegiate Division, and Committee on Neurobiology, The University of Chicago, Chicago, Illinois 60637, USA
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