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Barak R, Goshtasbi G, Fatehi R, Firouzabadi N. Signaling pathways and genetics of brain Renin angiotensin system in psychiatric disorders: State of the art. Pharmacol Biochem Behav 2024; 236:173706. [PMID: 38176544 DOI: 10.1016/j.pbb.2023.173706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 12/19/2023] [Accepted: 12/28/2023] [Indexed: 01/06/2024]
Abstract
Along the conventional pathways, Renin-angiotensin system (RAS) plays a key role in the physiology of the CNS and pathogenesis of psychiatric diseases. RAS is a complex regulatory pathway which is composed of several peptides and receptors and comprises two counter-regulatory axes. The classical (ACE1/AngII/AT1 receptor) axis and the contemporary (ACE2/Ang (1-7)/Mas receptor) axis. The genes coding for elements of both axes have been broadly studied. Numerous functional polymorphisms on components of RAS have been identified to serve as informative disease and treatment markers. This review summarizes the role of each peptide and receptor in the pathophysiology of psychiatric disorders (depression, bipolar disorders and schizophrenia), followed by a concise look at the role of genetic polymorphism of the RAS in the pathophysiology of these disorders.
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Affiliation(s)
- Roya Barak
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Ghazal Goshtasbi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reihaneh Fatehi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Firouzabadi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
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Komleva YK, Potapenko IV, Lopatina OL, Gorina YV, Chernykh A, Khilazheva ED, Salmina AB, Shuvaev AN. NLRP3 Inflammasome Blocking as a Potential Treatment of Central Insulin Resistance in Early-Stage Alzheimer's Disease. Int J Mol Sci 2021; 22:ijms222111588. [PMID: 34769018 PMCID: PMC8583950 DOI: 10.3390/ijms222111588] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/19/2021] [Accepted: 10/25/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is a devastating neurodegenerative disorder. In recent years, attention of researchers has increasingly been focused on studying the role of brain insulin resistance (BIR) in the AD pathogenesis. Neuroinflammation makes a significant contribution to the BIR due to the activation of NLRP3 inflammasome. This study was devoted to the understanding of the potential therapeutic roles of the NLRP3 inflammasome in neurodegeneration occurring concomitant with BIR and its contribution to the progression of emotional disorders. METHODS To test the impact of innate immune signaling on the changes induced by Aβ1-42 injection, we analyzed animals carrying a genetic deletion of the Nlrp3 gene. Thus, we studied the role of NLRP3 inflammasomes in health and neurodegeneration in maintaining brain insulin signaling using behavioral, electrophysiological approaches, immunohistochemistry, ELISA and real-time PCR. RESULTS We revealed that NLRP3 inflammasomes are required for insulin-dependent glucose transport in the brain and memory consolidation. Conclusions NLRP3 knockout protects mice against the development of BIR: Taken together, our data reveal the protective role of Nlrp3 deletion in the regulation of fear memory and the development of Aβ-induced insulin resistance, providing a novel target for the clinical treatment of this disorder.
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Affiliation(s)
- Yulia K. Komleva
- Department of Biochemistry, Medical, Pharmaceutical & Toxicological Chemistry, Krasnoyarsk State Medical University Named after Prof. V.F. Voino-Yasenetsky, 660022 Krasnoyarsk, Russia; (O.L.L.); (Y.V.G.); (E.D.K.)
- Research Institute of Molecular Medicine and Pathobiochemistry, 660022 Krasnoyarsk, Russia; (I.V.P.); (A.C.); (A.B.S.); (A.N.S.)
- Correspondence:
| | - Ilia V. Potapenko
- Research Institute of Molecular Medicine and Pathobiochemistry, 660022 Krasnoyarsk, Russia; (I.V.P.); (A.C.); (A.B.S.); (A.N.S.)
| | - Olga L. Lopatina
- Department of Biochemistry, Medical, Pharmaceutical & Toxicological Chemistry, Krasnoyarsk State Medical University Named after Prof. V.F. Voino-Yasenetsky, 660022 Krasnoyarsk, Russia; (O.L.L.); (Y.V.G.); (E.D.K.)
- Shared Research Center for Molecular and Cellular Technologies, 660022 Krasnoyarsk, Russia
| | - Yana V. Gorina
- Department of Biochemistry, Medical, Pharmaceutical & Toxicological Chemistry, Krasnoyarsk State Medical University Named after Prof. V.F. Voino-Yasenetsky, 660022 Krasnoyarsk, Russia; (O.L.L.); (Y.V.G.); (E.D.K.)
- Research Institute of Molecular Medicine and Pathobiochemistry, 660022 Krasnoyarsk, Russia; (I.V.P.); (A.C.); (A.B.S.); (A.N.S.)
| | - Anatoly Chernykh
- Research Institute of Molecular Medicine and Pathobiochemistry, 660022 Krasnoyarsk, Russia; (I.V.P.); (A.C.); (A.B.S.); (A.N.S.)
| | - Elena D. Khilazheva
- Department of Biochemistry, Medical, Pharmaceutical & Toxicological Chemistry, Krasnoyarsk State Medical University Named after Prof. V.F. Voino-Yasenetsky, 660022 Krasnoyarsk, Russia; (O.L.L.); (Y.V.G.); (E.D.K.)
- Research Institute of Molecular Medicine and Pathobiochemistry, 660022 Krasnoyarsk, Russia; (I.V.P.); (A.C.); (A.B.S.); (A.N.S.)
| | - Alla B. Salmina
- Research Institute of Molecular Medicine and Pathobiochemistry, 660022 Krasnoyarsk, Russia; (I.V.P.); (A.C.); (A.B.S.); (A.N.S.)
- Laboratory of Experimental Brain Cytology, Division of Brain Sciences, Research Center of Neurology, 125367 Moscow, Russia
| | - Anton N. Shuvaev
- Research Institute of Molecular Medicine and Pathobiochemistry, 660022 Krasnoyarsk, Russia; (I.V.P.); (A.C.); (A.B.S.); (A.N.S.)
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Bernstein HG, Müller S, Dobrowolny H, Wolke C, Lendeckel U, Bukowska A, Keilhoff G, Becker A, Trübner K, Steiner J, Bogerts B. Insulin-regulated aminopeptidase immunoreactivity is abundantly present in human hypothalamus and posterior pituitary gland, with reduced expression in paraventricular and suprachiasmatic neurons in chronic schizophrenia. Eur Arch Psychiatry Clin Neurosci 2017; 267:427-443. [PMID: 28035472 DOI: 10.1007/s00406-016-0757-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 12/13/2016] [Indexed: 10/20/2022]
Abstract
The vasopressin- and oxytocin-degrading enzyme insulin-regulated aminopeptidase (IRAP) is expressed in various organs including the brain. However, knowledge about its presence in human hypothalamus is fragmentary. Functionally, for a number of reasons (genetic linkage, hydrolysis of oxytocin and vasopressin, its role as angiotensin IV receptor in learning and memory and others) IRAP might play a role in schizophrenia. We studied the regional and cellular localization of IRAP in normal human brain with special emphasis on the hypothalamus and determined numerical densities of IRAP-expressing cells in the paraventricular, supraoptic and suprachiasmatic nuclei in schizophrenia patients and controls. By using immunohistochemistry and Western blot analysis, IRAP was immunolocalized in postmortem human brains. Cell countings were performed to estimate numbers and numerical densities of IRAP immunoreactive hypothalamic neurons in schizophrenia patients and control cases. Shape, size and regional distribution of IRAP-expressing cells, as well the lack of co-localization with the glia marker glutamine synthetase, show that IRAP is expressed in neurons. IRAP immunoreactive cells were observed in the hippocampal formation, cerebral cortex, thalamus, amygdala and, abundantly, hypothalamus. Double labeling experiments (IRAP and oxytocin/neurophysin 1, IRAP with vasopressin/neurophysin 2) revealed that IRAP is present in oxytocinergic and in vasopressinergic neurons. In schizophrenia patients, the numerical density of IRAP-expressing neurons in the paraventricular and the suprachiasmatic nuclei is significantly reduced, which might be associated with the reduction in neurophysin-containing neurons in these nuclei in schizophrenia. The pathophysiological role of lowered hypothalamic IRAP expression in schizophrenia remains to be established.
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Affiliation(s)
- Hans-Gert Bernstein
- Department of Psychiatry and Psychotherapy, Medical Faculty, University of Magdeburg, Leipziger Str. 44, 39120, Magdeburg, Germany.
| | - Susan Müller
- Department of Psychiatry and Psychotherapy, Medical Faculty, University of Magdeburg, Leipziger Str. 44, 39120, Magdeburg, Germany
| | - Hendrik Dobrowolny
- Department of Psychiatry and Psychotherapy, Medical Faculty, University of Magdeburg, Leipziger Str. 44, 39120, Magdeburg, Germany
| | - Carmen Wolke
- Institute of Medical Biochemistry and Molecular Biology, University Medicine, Ernst-Moritz-Arndt-University, 17475, Greifswald, Germany
| | - Uwe Lendeckel
- Institute of Medical Biochemistry and Molecular Biology, University Medicine, Ernst-Moritz-Arndt-University, 17475, Greifswald, Germany
| | - Alicja Bukowska
- EUTRAF Working Group, Molecular Electrophysiology, University Hospital Magdeburg, 39120, Magdeburg, Germany
| | - Gerburg Keilhoff
- Institute of Biochemistry and Cell Biology, Medical Faculty, University of Magdeburg, 39120, Magdeburg, Germany
| | - Axel Becker
- Institute of Pharmacology and Toxicology, Medical Faculty, University of Magdeburg, 39120, Magdeburg, Germany
| | - Kurt Trübner
- Department for Legal Medicine, University of Duisburg-Essen, 45141, Essen, Germany
| | - Johann Steiner
- Department of Psychiatry and Psychotherapy, Medical Faculty, University of Magdeburg, Leipziger Str. 44, 39120, Magdeburg, Germany
| | - Bernhard Bogerts
- Department of Psychiatry and Psychotherapy, Medical Faculty, University of Magdeburg, Leipziger Str. 44, 39120, Magdeburg, Germany
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