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Tang M, Liu T, Shen Y, Wang L, Xue Y, Zhao T, Xie K, Gong Z, Yin T. Potential antidepressant-like effects of N-3 polyunsaturated fatty acids through inhibition of endoplasmic reticulum stress. Psychopharmacology (Berl) 2023; 240:1877-1889. [PMID: 37612456 DOI: 10.1007/s00213-023-06377-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 04/25/2023] [Indexed: 08/25/2023]
Abstract
RATIONALE The growing evidence has demonstrated the importance of endoplasmic reticulum stress (ERS) in the pathophysiology of depression. ERS genes were considered to be potential novel therapeutic targets for depression. OBJECTIVES To clarify the mechanisms of the chronic unpredictable mild stress (CUMS)-induced ERS response and the potential contributing pathways in depression, and further investigate the potential link between N-3 polyunsaturated fatty acids (PUFAs) and stress-induced ERS disturbances. METHODS This study analyzed the expression of ERS-related genes including GRP78, ATF-4, ATF-6, XBP-1, and CHOP, and sigma-1R with real-time PCR in peripheral blood mononuclear cell (PBMC) RNA samples from participants. All of the rats except for those in the control groups were subjected to 5 consecutive weeks of CUMS to establish the depression model, and the antidepressant effects of N-3 PUFAs were observed by behavior tests. Moreover, the effect of diet and stress on the ERS pathways was also investigated using the western blot. RESULTS Blood CHOP, ATF-4, and XBP-1 levels were notably elevated in depressed patients relative to healthy individuals. Moreover, increased sigma-1R and decreased ATF-6 implied the protective role of sigma-1R through modulating ERS in patients with depression. Animal studies disclosed the novel findings that supplementary N-3 PUFAs in rats alleviated CUMS-induced disturbance of ERS through the ATF-4/XBP-1/CHOP pathway, implying its potential strategy for depression. CONCLUSION CUMS-induced depressive-like behaviors are related to the disturbance of ERS. Furthermore, supplementary N-3 PUFAs might be an effective way to alleviate ERS.
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Affiliation(s)
- Mimi Tang
- Department of Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- Institute of Hospital Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
| | - Ting Liu
- Department of Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- Institute of Hospital Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
| | - Yanmei Shen
- Mental Health Institute of the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Lu Wang
- Mental Health Institute of the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Ying Xue
- Department of Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- Institute of Hospital Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
| | - Tingyu Zhao
- Department of Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- Institute of Hospital Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
| | - Kaiqiang Xie
- Department of Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
- Institute of Hospital Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
| | - Zhicheng Gong
- Department of Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China.
- Institute of Hospital Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China.
| | - Tao Yin
- Department of Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China.
- Institute of Hospital Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China.
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Wang YM, Xia CY, Jia HM, He J, Lian WW, Yan Y, Wang WP, Zhang WK, Xu JK. Sigma-1 receptor: A potential target for the development of antidepressants. Neurochem Int 2022; 159:105390. [PMID: 35810915 DOI: 10.1016/j.neuint.2022.105390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/10/2022] [Accepted: 07/05/2022] [Indexed: 10/17/2022]
Abstract
Though a great many of studies on the development of antidepressants for the therapy of major depression disorder (MDD) and the development of antidepressants have been carried out, there still lacks an efficient approach in clinical practice. The involvement of Sigma-1 receptor in the pathological process of MDD has been verified. In this review, recent research focusing on the role of Sigma-1 receptor in the etiology of MDD were summarized. Preclinical studies and clinical trials have found that stress induce the variation of Sigma-1 receptor in the blood, brain and heart. Dysfunction and absence of Sigma-1 receptor result in depressive-like behaviors in rodent animals. Agonists of Sigma-1 receptor show not only antidepressant-like activities but also therapeutical effects in complications of depression. The mechanisms underlying antidepressant-like effects of Sigma-1 receptor may include suppressing neuroinflammation, regulating neurotransmitters, ameliorating brain-derived neurotrophic factor and N-Methyl-D-Aspartate receptor, and alleviating the endoplasmic reticulum stress and mitochondria damage during stress. Therefore, Sigma-1 receptor represents a potential target for antidepressants development.
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Affiliation(s)
- Yu-Ming Wang
- School of Life Sciences & School of Chinese Medicine Sciences, Beijing University of Chinese Medicine, Beijing, 100029, PR China; Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, PR China
| | - Cong-Yuan Xia
- Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, PR China
| | - Hong-Mei Jia
- Key Laboratory of Radiopharmaceuticals (Beijing Normal University), Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, PR China
| | - Jun He
- Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, PR China
| | - Wen-Wen Lian
- Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, PR China
| | - Yu Yan
- Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, PR China
| | - Wen-Ping Wang
- Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, PR China
| | - Wei-Ku Zhang
- Institute of Clinical Medical Sciences & Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, PR China.
| | - Jie-Kun Xu
- School of Life Sciences & School of Chinese Medicine Sciences, Beijing University of Chinese Medicine, Beijing, 100029, PR China.
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3
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Ivanov SV, Ostrovskaya RU. Neuroprotective substances: are they able to protect the pancreatic beta-cells too? Endocr Metab Immune Disord Drug Targets 2022; 22:834-841. [PMID: 35240968 DOI: 10.2174/1871530322666220303162844] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/01/2021] [Accepted: 12/30/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Growing evidences demonstrate a close relationship between type 2 diabetes (T2D) and neurodegenerative disorders such as Alzheimer's disease. The similarity of physiological and pathological processes, occurring in pancreatic β-cells and neurons over the course of these pathologies, allows to raise the question of the practicability of studying neuroprotective substances for their potential antidiabetic activity. OBJECTIVE This review analyzes studies of antidiabetic and cytoprotective action on pancreatic β-cells of the neuroprotective compounds that can attenuate the oxidative stress and enhance the expression of neurotrophins: low-molecular-weight NGF mimetic compound GK-2, selective anxiolytic afobazole, antidepressants lithium chloride and lithium carbonate on the rat streptozotocin model of T2D. RESULTS It was found that all above-listed neuroprotective substances have a pronounced antidiabetic activity. The decrease in the β-cells number, the average area of the pancreatic islets, as well as the violation of their morphological structure caused by the streptozotocin was significantly weakened by the therapy with the investigated neuroprotective substances. The extent of these morphological changes clearly correlates with the antihyperglycemic effect of these compounds. CONCLUSION The presented data indicate that the neuroprotective substances attenuating the damaging effect of oxidative stress and neurotrophins deficit cannot only protect neurons but also exert their cytoprotective effect towards pancreatic β-cells. These data may provide a theoretical basis for the further study of neuroprotective drugs as potential therapeutic options for T2D prevention and treatment.
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Affiliation(s)
- Sergei V Ivanov
- Institute of Pharmacology Russian Academy of Medical Sciences Laboratory of Psychopharmacology Russian Federation
| | - Rita U Ostrovskaya
- Laboratory of PsychopharmacologyInstitute of Pharmacology Russian Academy of Medical SciencesRussian
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4
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Sałaciak K, Pytka K. Revisiting the sigma-1 receptor as a biological target to treat affective and cognitive disorders. Neurosci Biobehav Rev 2022; 132:1114-1136. [PMID: 34736882 PMCID: PMC8559442 DOI: 10.1016/j.neubiorev.2021.10.037] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/25/2021] [Accepted: 10/28/2021] [Indexed: 12/21/2022]
Abstract
Depression and cognitive disorders are diseases with complex and not-fully understood etiology. Unfortunately, the COVID-19 pandemic dramatically increased the prevalence of both conditions. Since the current treatments are inadequate in many patients, there is a constant need for discovering new compounds, which will be more effective in ameliorating depressive symptoms and treating cognitive decline. Proteins attracting much attention as potential targets for drugs treating these conditions are sigma-1 receptors. Sigma-1 receptors are multi-functional proteins localized in endoplasmic reticulum membranes, which play a crucial role in cellular signal transduction by interacting with receptors, ion channels, lipids, and kinases. Changes in their functions and expression may lead to various diseases, including depression or memory impairments. Thus, sigma-1 receptor modulation might be useful in treating these central nervous system diseases. Importantly, two sigma-1 receptor ligands entered clinical trials, showing that this compound group possesses therapeutic potential. Therefore, based on preclinical studies, this review discusses whether the sigma-1 receptor could be a promising target for drugs treating affective and cognitive disorders.
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Affiliation(s)
- Kinga Sałaciak
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland
| | - Karolina Pytka
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland.
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5
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Wu NH, Ye Y, Wan BB, Yu YD, Liu C, Chen QJ. Emerging Benefits: Pathophysiological Functions and Target Drugs of the Sigma-1 Receptor in Neurodegenerative Diseases. Mol Neurobiol 2021; 58:5649-5666. [PMID: 34383254 DOI: 10.1007/s12035-021-02524-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 08/05/2021] [Indexed: 02/06/2023]
Abstract
The sigma-1 receptor (Sig-1R) is encoded by the SIGMAR1 gene and is a nonopioid transmembrane receptor located in the mitochondrial-associated endoplasmic reticulum membrane (MAM). It helps to locate endoplasmic reticulum calcium channels, regulates calcium homeostasis, and acts as a molecular chaperone to control cell fate and participate in signal transduction. It plays an important role in protecting neurons through a variety of signaling pathways and participates in the regulation of cognition and motor behavior closely related to neurodegenerative diseases. Based on its neuroprotective effects, Sig-1R has now become a breakthrough target for alleviating Alzheimer's disease and other neurodegenerative diseases. This article reviews the most cutting-edge research on the function of Sig-1R under normal or pathologic conditions and target drugs of the sigma-1 receptor in neurodegenerative diseases.
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Affiliation(s)
- Ning-Hua Wu
- Hubei Key Laboratory of Diabetes and Angiopathy, Hubei University of Science and Technology, Xianning, 437000, Hubei, China
- Basic Medical College, Hubei University of Science and Technology, Xianning, 437000, Hubei, China
| | - Yu Ye
- Hubei Key Laboratory of Diabetes and Angiopathy, Hubei University of Science and Technology, Xianning, 437000, Hubei, China
| | - Bin-Bin Wan
- Hubei Key Laboratory of Diabetes and Angiopathy, Hubei University of Science and Technology, Xianning, 437000, Hubei, China
| | - Yuan-Dong Yu
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, Shiyan, 442000, Hubei, China
| | - Chao Liu
- Hubei Key Laboratory of Diabetes and Angiopathy, Hubei University of Science and Technology, Xianning, 437000, Hubei, China.
| | - Qing-Jie Chen
- Hubei Key Laboratory of Diabetes and Angiopathy, Hubei University of Science and Technology, Xianning, 437000, Hubei, China.
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6
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Lu Y, An T, Tian H, Gao X, Wang F, Wang S, Ma K. Depression with Comorbid Diabetes: What Evidence Exists for Treatments Using Traditional Chinese Medicine and Natural Products? Front Pharmacol 2021; 11:596362. [PMID: 33568996 PMCID: PMC7868339 DOI: 10.3389/fphar.2020.596362] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 12/14/2020] [Indexed: 12/13/2022] Open
Abstract
Comorbidity between diabetes mellitus (DM) and depression, two chronic and devastating diseases spreading worldwide, has been confirmed by a large body of epidemiological and clinical studies. Due to the bidirectional relationship between DM and depression, this comorbidity leads to poorer outcomes in both conditions. Given the adverse effects and limited effectiveness of the existing therapies for depression associated with diabetes, the development of novel therapeutic drugs with more potency and fewer side effects is still the most important goal. Hence, many researchers have made great efforts to investigate the potential usefulness of traditional Chinese medicine (TCM) and natural products, including natural extracts and purified compounds, in the treatment of comorbid depression in diabetes. Here, we reviewed the related literature on TCM and natural products that can remedy the comorbidity of diabetes and depression and presented them on the basis of their mechanism of action, focusing on shared risk factors, including insulin resistance, oxidative stress and inflammation, and nervous disturbances. In short, this review suggests that TCM and natural products could expand the therapeutic alternatives to ameliorate the association between DM and depressive disorders.
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Affiliation(s)
- Yanting Lu
- Shandong Co-Innovation Center of Classic TCM Formula, Shandong University of Traditional Chinese Medicine, Jinan, China.,College of TCM, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Tao An
- School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Hu Tian
- College of TCM, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xueqin Gao
- College of TCM, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Furong Wang
- College of TCM, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Shijun Wang
- Shandong Co-Innovation Center of Classic TCM Formula, Shandong University of Traditional Chinese Medicine, Jinan, China.,College of TCM, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ke Ma
- Shandong Co-Innovation Center of Classic TCM Formula, Shandong University of Traditional Chinese Medicine, Jinan, China.,College of TCM, Shandong University of Traditional Chinese Medicine, Jinan, China
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7
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Ivanov SV, Ostrovskaya RU, Sorokina AV, Seredenin SB. Analysis of Cytoprotective Properties of Afobazole in Streptozotocin Model of Diabetes. Bull Exp Biol Med 2020; 169:783-786. [PMID: 33098515 DOI: 10.1007/s10517-020-04978-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Indexed: 11/25/2022]
Abstract
Previous in vitro and in vivo studies revealed the neuroprotective effect of anxiolytic Afobazole. Based on similarities in the regulation of functions of neurons and β cells, we studied the effect of Afobazole on streptozotocin (STZ) model of type 2 diabetes in Wistar rats. Immunohistochemical analysis showed that the decrease in the number of β cells and a violation of their morphological structure caused by STZ were significantly alleviated by Afobazole administration (10 mg/kg orally for 28 days) to diabetic animals. A correlation between morphometric data and blood glucose level was revealed. A possible role of σ1-receptors in the cytoprotective effects of Afobazole in respect to pancreatic β cells is discussed.
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Affiliation(s)
- S V Ivanov
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia
| | - R U Ostrovskaya
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia.
| | - A V Sorokina
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia
| | - S B Seredenin
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia
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8
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Voronin MV, Vakhitova YV, Seredenin SB. Chaperone Sigma1R and Antidepressant Effect. Int J Mol Sci 2020; 21:E7088. [PMID: 32992988 PMCID: PMC7582751 DOI: 10.3390/ijms21197088] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/17/2020] [Accepted: 09/22/2020] [Indexed: 12/13/2022] Open
Abstract
This review analyzes the current scientific literature on the role of the Sigma1R chaperone in the pathogenesis of depressive disorders and pharmacodynamics of antidepressants. As a result of ligand activation, Sigma1R is capable of intracellular translocation from the endoplasmic reticulum (ER) into the region of nuclear and cellular membranes, where it interacts with resident proteins. This unique property of Sigma1R provides regulation of various receptors, ion channels, enzymes, and transcriptional factors. The current review demonstrates the contribution of the Sigma1R chaperone to the regulation of molecular mechanisms involved in the antidepressant effect.
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Affiliation(s)
- Mikhail V. Voronin
- Department of Pharmacogenetics, FSBI “Zakusov Institute of Pharmacology”, Baltiyskaya Street 8, 125315 Moscow, Russia;
| | | | - Sergei B. Seredenin
- Department of Pharmacogenetics, FSBI “Zakusov Institute of Pharmacology”, Baltiyskaya Street 8, 125315 Moscow, Russia;
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9
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Savall ASP, Fidelis EM, Angonesi V, Bresolin L, Gervini VC, Quines C, Puntel RL, Roos DH, de Ávila DS, Pinton S. Antidepressant-like effect of (3Z)-5-Chloro-3-(hydroxyimino)indolin-2-one in rats exposed to malathion: Involvement of BDNF-Trkβ pathway and AChE. Life Sci 2020; 256:117892. [DOI: 10.1016/j.lfs.2020.117892] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/29/2020] [Accepted: 05/30/2020] [Indexed: 12/31/2022]
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10
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Balogh DB, Molnar A, Hosszu A, Lakat T, Hodrea J, Szabo AJ, Lenart L, Fekete A. Antidepressant effect in diabetes-associated depression: A novel potential of RAAS inhibition. Psychoneuroendocrinology 2020; 118:104705. [PMID: 32447176 DOI: 10.1016/j.psyneuen.2020.104705] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/22/2020] [Accepted: 05/03/2020] [Indexed: 12/29/2022]
Abstract
The incidence of depression doubles in diabetic patients and is associated with poor outcomes. Studies indicate that renin-angiotensin-aldosterone system inhibitors (RAASi) might relieve depression, however the mechanism of action is not well understood. We recently showed that angiotensin receptor blockers have antidepressant effects in experimental diabetes comorbid depression. Here we investigated whether all types of RAASi exhibit antidepressant and neuroprotective properties. Diabetes was induced by streptozotocin in adult male Wistar rats. After 5 weeks of diabetes, rats were treated per os with non-pressor doses of enalapril, ramipril, spironolactone or eplerenone for 2 weeks. Behavior was evaluated using forced swim test and open field test. Inflammatory response and brain-derived neurotrophic factor (BDNF) signaling were investigated in the hippocampus. Both ACEi and MR antagonists reversed diabetes-induced behavioral despair confirming their antidepressant-like effect. This may occur via alterations in hippocampal cytokine-mediated inflammatory response. Repressed BDNF production was restored by RAASi. Both ACEi and MR antagonists facilitated the BDNF-tropomyosin receptor kinase B-cAMP response element-binding protein signaling pathway as part of their neuroprotective effect. These data highlight the important benefits of ACEi and MR antagonists in the treatment of diabetes-associated depressive symptoms. Our novel findings support the link between diabetes comorbid depression, inflammation and repressed BDNF signaling. RAASi could provide new therapeutic options to improve the outcomes of both disorders.
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Affiliation(s)
- Dora B Balogh
- MTA-SE "Lendület" Diabetes Research Group, Hungarian Academy of Sciences, 54 Bokay Janos, H-1083 Budapest, Hungary; 1st Department of Pediatrics, Semmelweis University, 53-54 Bokay Janos, H-1083 Budapest, Hungary
| | - Agnes Molnar
- MTA-SE "Lendület" Diabetes Research Group, Hungarian Academy of Sciences, 54 Bokay Janos, H-1083 Budapest, Hungary; 1st Department of Pediatrics, Semmelweis University, 53-54 Bokay Janos, H-1083 Budapest, Hungary
| | - Adam Hosszu
- MTA-SE "Lendület" Diabetes Research Group, Hungarian Academy of Sciences, 54 Bokay Janos, H-1083 Budapest, Hungary; 1st Department of Pediatrics, Semmelweis University, 53-54 Bokay Janos, H-1083 Budapest, Hungary
| | - Tamas Lakat
- MTA-SE "Lendület" Diabetes Research Group, Hungarian Academy of Sciences, 54 Bokay Janos, H-1083 Budapest, Hungary; 1st Department of Pediatrics, Semmelweis University, 53-54 Bokay Janos, H-1083 Budapest, Hungary
| | - Judit Hodrea
- MTA-SE "Lendület" Diabetes Research Group, Hungarian Academy of Sciences, 54 Bokay Janos, H-1083 Budapest, Hungary; 1st Department of Pediatrics, Semmelweis University, 53-54 Bokay Janos, H-1083 Budapest, Hungary
| | - Attila J Szabo
- 1st Department of Pediatrics, Semmelweis University, 53-54 Bokay Janos, H-1083 Budapest, Hungary; MTA-SE Pediatrics and Nephrology Research Group, Hungarian Academy of Sciences and Semmelweis University, 54 Bokay Janos, Budapest H-1083, Hungary
| | - Lilla Lenart
- MTA-SE "Lendület" Diabetes Research Group, Hungarian Academy of Sciences, 54 Bokay Janos, H-1083 Budapest, Hungary; 1st Department of Pediatrics, Semmelweis University, 53-54 Bokay Janos, H-1083 Budapest, Hungary.
| | - Andrea Fekete
- MTA-SE "Lendület" Diabetes Research Group, Hungarian Academy of Sciences, 54 Bokay Janos, H-1083 Budapest, Hungary; 1st Department of Pediatrics, Semmelweis University, 53-54 Bokay Janos, H-1083 Budapest, Hungary.
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11
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Ke Y, Bu S, Ma H, Gao L, Cai Y, Zhang Y, Zhou W. Preventive and Therapeutic Effects of Astaxanthin on Depressive-Like Behaviors in High-Fat Diet and Streptozotocin-Treated Rats. Front Pharmacol 2020; 10:1621. [PMID: 32082151 PMCID: PMC7003134 DOI: 10.3389/fphar.2019.01621] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 12/12/2019] [Indexed: 12/12/2022] Open
Abstract
The comorbidity of diabetes and depression has a negative impact on both lifestyle and quality of life. Astaxanthin (AST) has been demonstrated to improve glucose metabolism and has antidepressant-like effects, but it is not clear whether AST has potential for preventing depression in diabetes. The aim of this study is to observe the preventive and therapeutic effects of AST on glucose metabolism or depressive-like behaviors in a diabetic rat model produced by feeding with a high-fat diet for 10 weeks followed by injection of 25 mg/kg streptozotocin (STZ). Preventive treatment with AST at doses of 7.5, 15, and 25 mg/kg/day was given by intragastric gavage 4 weeks before STZ injection. Preventive plus therapeutic treatment also involved therapeutic AST treatments for 6 more weeks after STZ injection, whereas therapeutic-only treatment involved only the 6-week post-STZ treatment. Depressive-like behaviors were evaluated at the end of the treatment by using open field, locomotor activity, elevated plus maze, and forced swimming tests. Preventive and therapeutic treatment with AST both reduced the level of fasting glucose, improved glucose tolerance, and decreased total TCh and TG in diabetic rats. Preventive or preventative plus therapeutic treatment with AST decreased the immobility time and increased the time spent in the open arms of an elevated plus maze and locomotor activity in diabetic rats. However, therapeutic treatment with AST alone failed to affect the depressive-like behaviors. Preventive or preventative plus therapeutic treatment with AST at doses of 15 or 25 mg/kg significantly increased the expression of pERK, pAKT, pCREB, and BDNF in the prefrontal cortex (PFC) in diabetic rats. In contrast, therapeutic treatment with 25 mg/kg AST alone increased the expression of pERK in the PFC. This study indicates that AST may be used as a preventive or therapeutic approach for co-morbidity of diabetes and depression.
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Affiliation(s)
- Yuting Ke
- Laboratory of Behavioral Neuroscience, Ningbo Addiction Research and Treatment Center, School of Medicine, Ningbo University, Ningbo, China.,School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China.,Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, United States
| | - Shizhong Bu
- Center of Diabetic Research, School of Medicine, Ningbo University, Ningbo, China
| | - Hong Ma
- Laboratory of Behavioral Neuroscience, Ningbo Addiction Research and Treatment Center, School of Medicine, Ningbo University, Ningbo, China
| | - Lei Gao
- Laboratory of Behavioral Neuroscience, Ningbo Addiction Research and Treatment Center, School of Medicine, Ningbo University, Ningbo, China
| | - Yujia Cai
- Laboratory of Behavioral Neuroscience, Ningbo Addiction Research and Treatment Center, School of Medicine, Ningbo University, Ningbo, China
| | - Yisheng Zhang
- Lihuili Eastern Hospital, School of Medicine, Ningbo University, Ningbo, China
| | - Wenhua Zhou
- Laboratory of Behavioral Neuroscience, Ningbo Addiction Research and Treatment Center, School of Medicine, Ningbo University, Ningbo, China
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12
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Lenart L, Balogh DB, Lenart N, Barczi A, Hosszu A, Farkas T, Hodrea J, Szabo AJ, Szigeti K, Denes A, Fekete A. Novel therapeutic potential of angiotensin receptor 1 blockade in a rat model of diabetes-associated depression parallels altered BDNF signalling. Diabetologia 2019; 62:1501-1513. [PMID: 31053872 PMCID: PMC6647092 DOI: 10.1007/s00125-019-4888-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 04/02/2019] [Indexed: 12/20/2022]
Abstract
AIMS/HYPOTHESIS Diabetes is a worldwide epidemic linked with diverse diseases of the nervous system, including depression. A few studies suggested a connection between renin-angiotensin-aldosterone system blockers and reduced depressive symptoms, although underlying mechanisms are unclear. Here we investigated the antidepressant effect and the mechanisms of action of the angiotensin receptor 1 blocker (ARB) losartan in an experiential model of diabetes-associated depression. METHODS Experimental diabetes was induced by streptozotocin in adult male Wistar rats. After 5 weeks of diabetes, rats were treated for 2 weeks with a non-pressor oral dose of losartan (20 mg/kg). In protocol 1, cerebrovascular perfusion and glial activation were evaluated by single-photon emission computed tomography-MRI and immunohistochemistry. In protocol 2, behaviour studies were performed (forced swim test and open field test). Hippocampal proinflammatory response and brain-derived neurotrophic factor (BDNF) signalling were also assessed. RESULTS Here, we show that diabetic rats exhibit depression-like behaviour, which can be therapeutically reversed by losartan. This action of losartan occurs via changes in diabetes-induced neuroinflammatory responses rather than altered cerebral perfusion. We also show that as a part of its protective effect losartan restores BDNF production in astrocytes and facilitates BDNF-tropomyosin receptor kinase B-cAMP response element-binding protein signalling in the diabetic brain. CONCLUSIONS/INTERPRETATION We identified a novel effect of losartan in the nervous system that may be implemented to alleviate symptoms of diabetes-associated depression. These findings explore a new therapeutic horizon for ARBs as possible antidepressants and suggest that BDNF could be a target of future drug development in diabetes-induced complications.
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Affiliation(s)
- Lilla Lenart
- 1st Department of Pediatrics, Semmelweis University, Bókay János u. 53-54, Budapest, 1083, Hungary
- MTA-SE Lendület Diabetes Research Group, Budapest, Hungary
| | - Dora B Balogh
- 1st Department of Pediatrics, Semmelweis University, Bókay János u. 53-54, Budapest, 1083, Hungary
- MTA-SE Lendület Diabetes Research Group, Budapest, Hungary
| | - Nikolett Lenart
- "Momentum" Laboratory of Neuroimmunology, IEM HAS, Szigony u. 43, Budapest, 1083, Hungary
| | - Adrienn Barczi
- 1st Department of Pediatrics, Semmelweis University, Bókay János u. 53-54, Budapest, 1083, Hungary
| | - Adam Hosszu
- 1st Department of Pediatrics, Semmelweis University, Bókay János u. 53-54, Budapest, 1083, Hungary
- MTA-SE Lendület Diabetes Research Group, Budapest, Hungary
| | | | - Judit Hodrea
- 1st Department of Pediatrics, Semmelweis University, Bókay János u. 53-54, Budapest, 1083, Hungary
- MTA-SE Lendület Diabetes Research Group, Budapest, Hungary
| | - Attila J Szabo
- 1st Department of Pediatrics, Semmelweis University, Bókay János u. 53-54, Budapest, 1083, Hungary
- MTA-SE Pediatrics and Nephrology Research Group, Budapest, Hungary
| | - Krisztian Szigeti
- Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - Adam Denes
- "Momentum" Laboratory of Neuroimmunology, IEM HAS, Szigony u. 43, Budapest, 1083, Hungary.
| | - Andrea Fekete
- 1st Department of Pediatrics, Semmelweis University, Bókay János u. 53-54, Budapest, 1083, Hungary.
- MTA-SE Lendület Diabetes Research Group, Budapest, Hungary.
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13
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The role of neurotrophins in psychopathology and cardiovascular diseases: psychosomatic connections. J Neural Transm (Vienna) 2019; 126:265-278. [PMID: 30767081 PMCID: PMC6449302 DOI: 10.1007/s00702-019-01973-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 01/16/2019] [Indexed: 12/18/2022]
Abstract
Cardiovascular (CV) diseases and mood disorders are common public health problems worldwide. Their connections are widely studied, and the role of neurotrophins (NTs) is already supposed in both conditions. However, data in the literature of clinical aspects are sometimes controversial and no reviews are available describing possible associations between CV risk and mood disorders based on NTs. The mostly studied NT is brain-derived neurotrophic factor (BDNF). Decreased level of BDNF is observed in depression and its connection to hypertension has also been demonstrated with affecting the arterial baroreceptors, renin–angiotensin system and endothelial nitric oxide synthase. BDNF was also found to be the predictor of CV outcome in different patient populations. Other types of human NT-s, such as nerve growth factor, neurotrophin 3 and neurotrophin 4 also seem to have both psychopathological and CV connections. Our aim was to overview the present knowledge in this area, demonstrating a new aspect of the associations between mood disorders and CV diseases through the mediation of NTs. These findings might enlighten new psychosomatic connections and suggest new therapeutic targets that are beneficial both in respect of mood disorders and CV pathology.
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14
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Rebolledo-Solleiro D, Fernández-Guasti A. Influence of sex and estrous cycle on blood glucose levels, body weight gain, and depressive-like behavior in streptozotocin-induced diabetic rats. Physiol Behav 2018; 194:560-567. [DOI: 10.1016/j.physbeh.2018.06.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 05/10/2018] [Accepted: 06/20/2018] [Indexed: 12/14/2022]
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15
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Inserra A. Hypothesis: The Psychedelic Ayahuasca Heals Traumatic Memories via a Sigma 1 Receptor-Mediated Epigenetic-Mnemonic Process. Front Pharmacol 2018; 9:330. [PMID: 29674970 PMCID: PMC5895707 DOI: 10.3389/fphar.2018.00330] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 03/21/2018] [Indexed: 12/21/2022] Open
Abstract
Ayahuasca ingestion modulates brain activity, neurotransmission, gene expression and epigenetic regulation. N,N-Dimethyltryptamine (DMT, one of the alkaloids in Ayahuasca) activates sigma 1 receptor (SIGMAR1) and others. SIGMAR1 is a multi-faceted stress-responsive receptor which promotes cell survival, neuroprotection, neuroplasticity, and neuroimmunomodulation. Simultaneously, monoamine oxidase inhibitors (MAOIs) also present in Ayahuasca prevent the degradation of DMT. One peculiarity of SIGMAR1 activation and MAOI activity is the reversal of mnemonic deficits in pre-clinical models. Since traumatic memories in post-traumatic stress disorder (PTSD) are often characterised by “repression” and PTSD patients ingesting Ayahuasca report the retrieval of such memories, it cannot be excluded that DMT-mediated SIGMAR1 activation and the concomitant MAOIs effects during Ayahuasca ingestion might mediate such “anti-amnesic” process. Here I hypothesise that Ayahuasca, via hyperactivation of trauma and emotional memory-related centres, and via its concomitant SIGMAR1- and MAOIs- induced anti-amnesic effects, facilitates the retrieval of traumatic memories, in turn making them labile (destabilised). As Ayahuasca alkaloids enhance synaptic plasticity, increase neurogenesis and boost dopaminergic neurotransmission, and those processes are involved in memory reconsolidation and fear extinction, the fear response triggered by the memory can be reprogramed and/or extinguished. Subsequently, the memory is stored with this updated significance. To date, it is unclear if new memories replace, co-exist with or bypass old ones. Although the mechanisms involved in memory are still debated, they seem to require the involvement of cellular and molecular events, such as reorganisation of homo and heteroreceptor complexes at the synapse, synaptic plasticity, and epigenetic re-modulation of gene expression. Since SIGMAR1 mobilises synaptic receptor, boosts synaptic plasticity and modulates epigenetic processes, such effects might be involved in the reported healing of traumatic memories in PTSD patients. If this theory proves to be true, Ayahuasca could come to represent the only standing pharmacological treatment which targets traumatic memories in PTSD. Lastly, since SIGMAR1 activation triggers both epigenetic and immunomodulatory programmes, the mechanism here presented could help understanding and treating other conditions in which the cellular memory is dysregulated, such as cancer, diabetes, autoimmune and neurodegenerative pathologies and substance addiction.
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Affiliation(s)
- Antonio Inserra
- Mind and Brain Theme, The South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Department of Psychiatry, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia.,Centre for Neuroscience, Flinders University, Adelaide, SA, Australia
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16
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Roostaei A, Vaezi G, Nasehi M, Haeri-Rohani A, Zarrindast MR. Study of the Role of Dopamine Receptors in Streptozotocin-Induced Depressive-Like Behavior Using the Forced Swim Test Model. Galen Med J 2018; 7:e954. [PMID: 34466420 PMCID: PMC8344037 DOI: 10.22086/gmj.v0i0.954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 07/29/2017] [Accepted: 08/14/2017] [Indexed: 11/30/2022] Open
Abstract
Background: Diabetes is one of the most common endocrine diseases characterized by hyperglycemia. It is caused by an absolute or relative insulin deficiency or an insulin function deficiency. It is one of the major risk factors of depression, with the rate of depression in diabetic patients amounting to as high as 30%. This study examined the role of dopamine receptors in streptozotocin (STZ)-induced depressive-like behavior using the forced swim test (FST). Materials and Methods: This study was performed on 56 Wistar male rats. STZ at doses of 30 and 60 mg/kg body weight was administered via intraperitoneal (IP) route to induce diabetes and depression in rats. Thereafter, by using halobenzazepine (SCH23390) (D1 dopamine receptor antagonist) and sulpiride (D2 receptor dopamine receptor antagonist), the role of dopamine receptors in STZ-induced depression was studied. The one-way analysis of variance technique, Tukey’s range test, and t-test were used to analyze the data. The P-value less than 0.05 was regarded as statistically significant. Results: Our study showed that STZ at doses of 30 and 60 mg/kg, two weeks after injection, caused prolonged immobility in FST, indicating depressive-like behavior (P<0.05 and P<0.01, respectively). SCH23390 (0.001 mg/mL/kg) and sulpiride (0.1 mg/mL/kg) did not change the variables of depression in animals that received STZ (at doses of 30 and 60 mg/mL/kg) two weeks before (P>0.05). Conclusion: According to our study, STZ has a depressive-like behavior two weeks after injection, and dopamine receptors do not play a role in depression associated with STZ use.
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Affiliation(s)
- Afshin Roostaei
- Department of Biology, Damghan Branch, Islamic Azad University, Damghan, Iran
| | - Gholamhassan Vaezi
- Department of Biology, Damghan Branch, Islamic Azad University, Damghan, Iran
| | - Mohammad Nasehi
- Cognitive and Neuroscience Research Center (CNRC), Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Ali Haeri-Rohani
- Department of Animal Biology, School of Biology, University College of Science, University of Tehran, Tehran, Iran
| | - Mohammad-Reza Zarrindast
- Cognitive and Neuroscience Research Center (CNRC), Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran.,Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran.,Institute for Cognitive Science Studies (ICSS), Tehran, Iran
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17
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Chao J, Zhang Y, Du L, Zhou R, Wu X, Shen K, Yao H. Molecular mechanisms underlying the involvement of the sigma-1 receptor in methamphetamine-mediated microglial polarization. Sci Rep 2017; 7:11540. [PMID: 28912535 PMCID: PMC5599501 DOI: 10.1038/s41598-017-11065-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 08/15/2017] [Indexed: 01/26/2023] Open
Abstract
Our previous study demonstrated that the sigma-1 receptor is involved in methamphetamine-induced microglial apoptosis and death; however, whether the sigma-1 receptor is involved in microglial activation as well as the molecular mechanisms underlying this process remains poorly understood. The aim of this study is to demonstrate the involvement of the sigma-1 receptor in methamphetamine-mediated microglial activation. The expression of σ-1R, iNOS, arginase and SOCS was examined by Western blot; activation of cell signaling pathways was detected by Western blot analysis. The role of σ-1R in microglial activation was further validated in C57BL/6 N WT and sigma-1 receptor knockout mice (male, 6-8 weeks) injected intraperitoneally with saline or methamphetamine (30 mg/kg) by Western blot combined with immunostaining specific for Iba-1. Treatment of cells with methamphetamine (150 μM) induced the expression of M1 markers (iNOS) with concomitant decreased the expression of M2 markers (Arginase) via its cognate sigma-1 receptor followed by ROS generation. Sequential activation of the downstream MAPK, Akt and STAT3 pathways resulted in microglial polarization. Blockade of sigma-1 receptor significantly inhibited the generation of ROS and activation of the MAPK and Akt pathways. These findings underscore the critical role of the sigma-1 receptor in methamphetamine-induced microglial activation.
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Affiliation(s)
- Jie Chao
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China
- Department of Physiology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Yuan Zhang
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Longfei Du
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Rongbin Zhou
- Institute of Immunology and the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences and Medical Center, University of Science and Technology of China, Hefei, China
| | - Xiaodong Wu
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Kai Shen
- Department of Pharmacy, Nantong Tongzhou People's Hospital, Nantong, China.
| | - Honghong Yao
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China.
- Institute of Life Sciences, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China.
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18
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Fukunaga K, Moriguchi S. Stimulation of the Sigma-1 Receptor and the Effects on Neurogenesis and Depressive Behaviors in Mice. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 964:201-211. [PMID: 28315273 DOI: 10.1007/978-3-319-50174-1_14] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Sigma-1 receptor (Sig-1R) is molecular chaperone regulating calcium efflux from the neuronal endoplasmic reticulum to mitochondria. Recent studies show that Sig-1R stimulation antagonizes depressive-like behaviors in animal models, but molecular mechanisms underlying this effect remain unclear. Here, we focus on the effects of Sig-1R ligands on hippocampal neurogenesis and depressive-like behaviors. Sig-1R stimulation also enhances CaMKII /CaMKIV and protein kinase B (Akt) activities in hippocampus. Therefore, we discuss the fundamental roles of Sig-1R, CaMKII /CaMKIV and protein kinase B (Akt) signaling in amelioration of depressive-like behaviors following Sig-1R stimulation.
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Affiliation(s)
- Kohji Fukunaga
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aramaki-Aoba, Aoba-ku, Sendai, Miyagi, 980-8578, Japan.
| | - Shigeki Moriguchi
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aramaki-Aoba, Aoba-ku, Sendai, Miyagi, 980-8578, Japan
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19
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Wang J, Duan P, Cui Y, Li Q, Shi Y. Geniposide alleviates depression-like behavior via enhancing BDNF expression in hippocampus of streptozotocin-evoked mice. Metab Brain Dis 2016; 31:1113-22. [PMID: 27311609 DOI: 10.1007/s11011-016-9856-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 06/09/2016] [Indexed: 01/15/2023]
Abstract
Clinical and preclinical data suggest that diabetes is often psychological complications such as depression. Geniposide (GP), a major compound in Gardenia jasminoides Ellis with both medicinal and nutritional values, has been previously confirmed to exert anti-diabetic and anti-depressive activities. The present study attempted to observe anti-depressive mechanisms of GP in streptozotocin (STZ) evoked diabetic mice by involving brain-derived neurotrophic factor (BDNF), for the first time. Mice were given GP daily (50, and 100 mg/kg, ig) or reference drugs FHMH [fluoxetine hydrochloride (FH, 10 mg/kg, ig) combined with metformin hydrochloride (MH, 100 mg/kg, ig)] for 3 weeks. The forced swimming test (FST) was performed to observe depression-like behavior, and serum and brain tissues were used for neurochemical and fluorescent quantitative reverse transcription PCR analyses. STZ induced excessively increased blood sugar and immobility time in FST, in a manner attenuated by GP and FHMH administration. GP administration further elevated BDNF levels, and up-regulated the mRNA expression of BDNF and tropomyosin-related kinase B (TrkB) in hippocampus of diabetic mice. In addition, STZ induced the excessive level of serum corticosterone (CORT), while GP did not influence on it in diabetic mice. Taken together, these findings indicate that GP can alleviate depression-like behavior in STZ-evoked diabetic mice, and suggest its mechanisms may partially be ascribed to up-regulating BDNF expression in brain.
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Affiliation(s)
- Junming Wang
- Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province, Henan University of Traditional Chinese Medicine, Zhengzhou, 450046, China.
- College of Pharmacy, Henan University of Traditional Chinese Medicine, East Jinshui Road & Boxue Road, Zhengzhou, 450046, China.
| | - Peili Duan
- College of Pharmacy, Henan University of Traditional Chinese Medicine, East Jinshui Road & Boxue Road, Zhengzhou, 450046, China
| | - Ying Cui
- Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province, Henan University of Traditional Chinese Medicine, Zhengzhou, 450046, China
- College of Pharmacy, Henan University of Traditional Chinese Medicine, East Jinshui Road & Boxue Road, Zhengzhou, 450046, China
| | - Qing Li
- College of Pharmacy, Henan University of Traditional Chinese Medicine, East Jinshui Road & Boxue Road, Zhengzhou, 450046, China
| | - Yanran Shi
- College of Pharmacy, Henan University of Traditional Chinese Medicine, East Jinshui Road & Boxue Road, Zhengzhou, 450046, China
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