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Tanaka K, Choudhury ME, Kikuchi S, Takeda I, Umakoshi K, Miyaue N, Mikami K, Takenaga A, Yagi H, Shinabe R, Matsumoto H, Yano H, Nagai M, Takeba J, Tanaka J. A dopamine D1-like receptor-specific agonist improves the survival of septic mice. iScience 2024; 27:109587. [PMID: 38623339 PMCID: PMC11016908 DOI: 10.1016/j.isci.2024.109587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 02/08/2024] [Accepted: 03/25/2024] [Indexed: 04/17/2024] Open
Abstract
In this study, a murine sepsis model was developed using the cecum ligation and puncture (CLP) technique. The expression of the proinflammatory cytokines tumor necrosis factor alpha (TNF-α) and interleukin-1β (IL-1β) in the brain increased 6 h after CLP but decreased 24 h later when elevated endogenous dopamine levels in the brain were sustained. Methyl-4-phenyl-1,2,3,6-tetrahydropyridine hydrochloride reduced dopamine levels in the striatum and increased mortality in septic mice. Dopamine D1-like receptors were significantly expressed in the brain, but not in the lungs. Intraperitoneally administered SKF-81297 (SKF), a blood-brain barrier-permeable D1-like receptor agonist, prevented CLP-induced death of septic mice with ameliorated acute lung injury and cognitive dysfunction and suppressed TNF-α and IL-1β expression. The D1-like receptor antagonist SCH-23390 abolished the anti-inflammatory effects of SKF. These data suggest that D1-like receptor-mediated signals in the brain prevent CLP-induced inflammation in both the brain and the periphery.
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Affiliation(s)
- Koichi Tanaka
- Advanced Emergency and Critical Care Center, Ehime Prefectural Central Hospital, Kasugamachi, Matsuyama, Ehime 790-0024, Japan
- Department of Aeromedical Services for Emergency and Trauma Care, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Mohammed E. Choudhury
- Department of Molecular and Cellular Physiology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Satoshi Kikuchi
- Department of Emergency Medicine, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Ikuko Takeda
- Department of Anatomy and Molecular Cell Biology, Nagoya University Graduate School of Medicine, Nagoya, Aichi 466-8550, Japan
- Division of Multicellular Circuit Dynamics, National Institute for Physiological Sciences, Okazaki, Aichi 444-8585, Japan
| | - Kensuke Umakoshi
- Advanced Emergency and Critical Care Center, Ehime Prefectural Central Hospital, Kasugamachi, Matsuyama, Ehime 790-0024, Japan
| | - Noriyuki Miyaue
- Department of Clinical Pharmacology and Therapeutics, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Kanta Mikami
- Department of Molecular and Cellular Physiology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Ayane Takenaga
- Department of Molecular and Cellular Physiology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
- Department of Clinical Pharmacology and Therapeutics, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Harumichi Yagi
- Department of Molecular and Cellular Physiology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Rintaro Shinabe
- Department of Molecular and Cellular Physiology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Hironori Matsumoto
- Department of Emergency Medicine, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Hajime Yano
- Department of Molecular and Cellular Physiology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Masahiro Nagai
- Department of Clinical Pharmacology and Therapeutics, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Jun Takeba
- Department of Aeromedical Services for Emergency and Trauma Care, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Junya Tanaka
- Department of Molecular and Cellular Physiology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
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Takeda H, Nakajima Y, Yamaguchi T, Watanabe I, Miyoshi S, Nagashio K, Sekine H, Motohashi H, Yano H, Tanaka J. The anti-inflammatory and anti-oxidative effect of a classical hypnotic bromovalerylurea mediated by the activation of NRF2. J Biochem 2023; 174:131-142. [PMID: 37039781 PMCID: PMC10372716 DOI: 10.1093/jb/mvad030] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 03/14/2023] [Accepted: 04/05/2023] [Indexed: 04/12/2023] Open
Abstract
The Kelch-like ECH-associated protein 1-nuclear factor erythroid 2-related factor 2 (KEAP1-NRF2) system plays a central role in redox homeostasis and inflammation control. Oxidative stress or electrophilic compounds promote NRF2 stabilization and transcriptional activity by negatively regulating its inhibitor, KEAP1. We have previously reported that bromovalerylurea (BU), originally developed as a hypnotic, exerts anti-inflammatory effects in various inflammatory disease models. However, the molecular mechanism underlying its effect remains uncertain. Herein, we found that by real-time multicolor luciferase assay using stable luciferase red3 (SLR3) and green-emitting emerald luciferase (ELuc), BU potentiates NRF2-dependent transcription in the human hepatoblastoma cell line HepG2 cells, which lasted for more than 60 h. Further analysis revealed that BU promotes NRF2 accumulation and the transcription of its downstream cytoprotective genes in the HepG2 and the murine microglial cell line BV2. Keap1 knockdown did not further enhance NRF2 activity, suggesting that BU upregulates NRF2 by targeting KEAP1. Knockdown of Nfe2l2 in BV2 cells diminished the suppressive effects of BU on the production of pro-inflammatory mediators, like nitric oxide (NO) and its synthase NOS2, indicating the involvement of NRF2 in the anti-inflammatory effects of BU. These data collectively suggest that BU could be repurposed as a novel NRF2 activator to control inflammation and oxidative stress.
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Key Words
- Abbreviations: ARE, antioxidant responsive element; BU, bromovalerylurea; CCL2, C-C motif chemokine 2; DMF, dimethyl fumarate; GCLC, glutamate–cysteine ligase catalytic subunit; GCLM, glutamate–cysteine ligase modifier subunit; GSS, glutathione synthetase; GSH, glutathione; Hmox-1, heme oxygenase-1; IL-1β, interluekin-1β; IL-6, interluekin-6; JAK, Janus kinase; KEAP1, Kelch-like ECH-associated protein; NO, nitric oxide; NOS2, NO synthase 2; NRE, NF-κB responsive element; NQO-1, NAD(P)H quinone dehydrogenase; NRF2, nuclear factor erythroid 2-related factor 2/nuclear factor erythroid-derived 2-like 2; TXNRD, thioredoxin–disulfide reductase; ROS, reactive oxygen species
- KEAP1–NRF2
- anti-inflammation
- anti-oxidant oxygen
- bromovalerylurea
- drug action toxins/drugs/xenobiotics
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Affiliation(s)
- Haruna Takeda
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, 454, Shitsukawa, Toon, Ehime, 791-0295, Japan
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, 4-1, Seiryo-cho, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Yoshihiro Nakajima
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 2 217-14, Hayashi-cho, Takamatsu, Kagawa, 761-0301, Japan
| | - Teruaki Yamaguchi
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, 454, Shitsukawa, Toon, Ehime, 791-0295, Japan
| | - Itaru Watanabe
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, 454, Shitsukawa, Toon, Ehime, 791-0295, Japan
| | - Shoko Miyoshi
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, 454, Shitsukawa, Toon, Ehime, 791-0295, Japan
| | - Kodai Nagashio
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, 454, Shitsukawa, Toon, Ehime, 791-0295, Japan
| | - Hiroki Sekine
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, 4-1, Seiryo-cho, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Hozumi Motohashi
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, 4-1, Seiryo-cho, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Hajime Yano
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, 454, Shitsukawa, Toon, Ehime, 791-0295, Japan
| | - Junya Tanaka
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, 454, Shitsukawa, Toon, Ehime, 791-0295, Japan
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Bromovalerylurea modulates GABA A receptor-mediated inhibitory neurotransmission while inducing sleep. Biochem Biophys Res Commun 2023; 638:176-183. [PMID: 36462491 DOI: 10.1016/j.bbrc.2022.11.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 11/21/2022] [Indexed: 11/23/2022]
Abstract
Bromovalerylurea (BU), an acyl urea derivative, was originally developed as a hypnotic/sedative. We recently reported that BU at a dose of 50 mg/kg ameliorates sepsis, Parkinson's disease, and traumatic brain injury in Wistar rat models through its anti-inflammatory actions on microglia and macrophages. However, since BU was developed more than 100 years ago, its hypnotic mechanism and characteristics are poorly understood. Herein, we conducted an electroencephalogram (EEG) study and found that BU, when administered at a dose of more than 125 mg/kg but not at a dose of 50 mg/kg in Wistar rats, significantly increased non-rapid eye movement (NREM) sleep duration and dose-dependently decreased rapid eye movement (REM) sleep duration. This characteristic of sleep induced by BU is similar to the effect of compounds such as barbiturate, benzodiazepine, and z-drugs, all of which require γ-aminobutyric acid A receptors (GABAAR) for hypnotic/sedative activity. To investigate whether BU could potentiate GABAAergic neurotransmission, we conducted a whole-cell patch-clamp recording from pyramidal neurons in rat cortical slices to detect spontaneous GABAAR-mediated inhibitory postsynaptic currents (IPSCs). We found that BU dose-dependently prolonged IPSCs. Importantly, the prolonged IPSCs were not attenuated by flumazenil, a benzodiazepine receptor antagonist, suggesting that modulation of IPSCs by BU is mediated by different mechanisms from that of benzodiazepine. Taken together, these data elucidate the basic characteristics of the hypnotic effects of BU and suggest that the enhancement of GABAAR-mediated Cl- flux may be a possible mechanism that contributes to its hypnotic/sedative activity.
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Nishioka R, Nishi Y, Choudhury ME, Miyaike R, Shinnishi A, Umakoshi K, Takada Y, Sato N, Aibiki M, Yano H, Tanaka J. Surgical stress quickly affects the numbers of circulating B-cells and neutrophils in murine septic and aseptic models through a β 2 adrenergic receptor. J Immunotoxicol 2022; 19:8-16. [PMID: 35232327 DOI: 10.1080/1547691x.2022.2029630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Sepsis is a pathology accompanied by increases in myeloid cells and decreases in lymphoid cells in circulation. In a murine sepsis model induced by cecum ligation and puncture (CLP), increasing numbers of neutrophils and decreasing levels of B-cells in circulation are among the earliest changes in the immune system. However, to date, the mechanisms for these changes remain to be elucidated. The study here sought to elucidate mechanisms underlying the changes in the leukocyte levels after CLP and also to determine what, if any, role for an involvement of the sympathetic nervous system (SNS). Here, male C57/BL6 mice were subjected to CLP or sham-CLP (abdominal wall incised, but cecum was not punctured). The changes in the number of circulating leukocytes over time were then investigated using flow cytometry. The results showed that a sham-CLP led to increased polymorphonuclear cells (PMN; most of which are neutrophils) and decreased B-cells in the circulation to an extent similar to that induced by CLP. Effects of adrenergic agonists and antagonists, as well as of adrenalectomy, were also examined in mice that underwent CLP or sham-CLP. Administering adrenaline or a β2 adrenergic receptor agonist (clenbuterol) to mice 3 h before sacrifice produced almost identical changes to as what was seen 2 h after performing a sham-CLP. In contrast, giving a β2 adrenergic receptor antagonist ICI118,551 1 h before a CLP or sham-CLP suppressed the expected changes 2 h after the operations. Noradrenaline and an α1 adrenergic receptor agonist phenylephrine did not exert significant effects. Adrenalectomy 24 h before a sham-CLP significantly abolished the expected sham-CLP-induced changes seen earlier. Clenbuterol increased splenocyte expression of Cxcr4 (a chemokine receptor gene); adrenalectomy abolished sham-CLP-induced Cxcr4 expression. A CXCR4 antagonist AMD3100 repressed the sham-CLP-induced changes. From these results, it may be concluded that sepsis-induced activation of the SNS may be one cause for immune dysfunction in sepsis - regardless of the pathogenetic processes.
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Affiliation(s)
- Ryutaro Nishioka
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Japan.,Department of Emergency and Critical Medicine, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Yusuke Nishi
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Japan.,Department of Hepato-biliary Pancreatic Surgery and Breast Surgery, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Mohammed E Choudhury
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Riko Miyaike
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Ayataka Shinnishi
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Kensuke Umakoshi
- Department of Emergency and Critical Medicine, Graduate School of Medicine, Ehime University, Toon, Japan.,Advanced Emergency and Critical Care Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - Yasutsugu Takada
- Department of Hepato-biliary Pancreatic Surgery and Breast Surgery, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Norio Sato
- Department of Emergency and Critical Medicine, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Mayuki Aibiki
- Department of Emergency and Critical Medicine, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Hajime Yano
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Junya Tanaka
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Japan
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Dual Roles of Microglia in the Basal Ganglia in Parkinson's Disease. Int J Mol Sci 2021; 22:ijms22083907. [PMID: 33918947 PMCID: PMC8070536 DOI: 10.3390/ijms22083907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/30/2021] [Accepted: 04/07/2021] [Indexed: 12/12/2022] Open
Abstract
With the increasing age of the population, the incidence of Parkinson’s disease (PD) has increased exponentially. The development of novel therapeutic interventions requires an understanding of the involvement of senescent brain cells in the pathogenesis of PD. In this review, we highlight the roles played by microglia in the basal ganglia in the pathophysiological processes of PD. In PD, dopaminergic (DAergic) neuronal degeneration in the substantia nigra pars compacta (SNc) activates the microglia, which then promote DAergic neuronal degeneration by releasing potentially neurotoxic factors, including nitric oxide, cytokines, and reactive oxygen species. On the other hand, microglia are also activated in the basal ganglia outputs (the substantia nigra pars reticulata and the globus pallidus) in response to excess glutamate released from hyperactive subthalamic nuclei-derived synapses. The activated microglia then eliminate the hyperactive glutamatergic synapses. Synapse elimination may be the mechanism underlying the compensation that masks the appearance of PD symptoms despite substantial DAergic neuronal loss. Microglial senescence may correlate with their enhanced neurotoxicity in the SNc and the reduced compensatory actions in the basal ganglia outputs. The dual roles of microglia in different basal ganglia regions make it difficult to develop interventions targeting microglia for PD treatment.
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Abe N, Nishihara T, Yorozuya T, Tanaka J. Microglia and Macrophages in the Pathological Central and Peripheral Nervous Systems. Cells 2020; 9:cells9092132. [PMID: 32967118 PMCID: PMC7563796 DOI: 10.3390/cells9092132] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/05/2020] [Accepted: 09/17/2020] [Indexed: 02/07/2023] Open
Abstract
Microglia, the immunocompetent cells in the central nervous system (CNS), have long been studied as pathologically deteriorating players in various CNS diseases. However, microglia exert ameliorating neuroprotective effects, which prompted us to reconsider their roles in CNS and peripheral nervous system (PNS) pathophysiology. Moreover, recent findings showed that microglia play critical roles even in the healthy CNS. The microglial functions that normally contribute to the maintenance of homeostasis in the CNS are modified by other cells, such as astrocytes and infiltrated myeloid cells; thus, the microglial actions on neurons are extremely complex. For a deeper understanding of the pathophysiology of various diseases, including those of the PNS, it is important to understand microglial functioning. In this review, we discuss both the favorable and unfavorable roles of microglia in neuronal survival in various CNS and PNS disorders. We also discuss the roles of blood-borne macrophages in the pathogenesis of CNS and PNS injuries because they cooperatively modify the pathological processes of resident microglia. Finally, metabolic changes in glycolysis and oxidative phosphorylation, with special reference to the pro-/anti-inflammatory activation of microglia, are intensively addressed, because they are profoundly correlated with the generation of reactive oxygen species and changes in pro-/anti-inflammatory phenotypes.
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Affiliation(s)
- Naoki Abe
- Department of Anesthesia and Perioperative Medicine, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan; (N.A.); (T.Y.)
| | - Tasuku Nishihara
- Department of Anesthesia and Perioperative Medicine, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan; (N.A.); (T.Y.)
- Correspondence: ; Tel.: +81-89-960-5383; Fax: +81-89-960-5386
| | - Toshihiro Yorozuya
- Department of Anesthesia and Perioperative Medicine, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan; (N.A.); (T.Y.)
| | - Junya Tanaka
- Department of Molecular and cellular Physiology, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan;
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Umakoshi K, Choudhury ME, Nishioka R, Matsumoto H, Abe N, Nishikawa Y, Kikuchi S, Takeba J, Yano H, Yorozuya T, Sato N, Aibiki M, Tanaka J. B lymphocytopenia and Bregs in a not-to-die murine sepsis model. Biochem Biophys Res Commun 2019; 523:202-207. [PMID: 31843193 DOI: 10.1016/j.bbrc.2019.12.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 12/07/2019] [Indexed: 12/31/2022]
Abstract
Sepsis is a leading cause of mortality in intensive care units due to multi-organ failure caused by dysregulated immune reactions. In this study, kinetic changes in the immune system were analyzed for 72 h in cecal ligation and puncture (CLP)-induced septic mice while preventing animal death by keeping body temperature. Increase of myeloid cells and decrease of B cells in circulation at 6 h after CLP were markedly observed. At the same time point, interleukin (IL)-10 expressing CD5+ regulatory B cells (Bregs) appeared. IL-10 and programmed death-ligand 1 (PD-L1) mRNA as well as IL-1β, IL-6 and interferon γ (IFNγ) mRNA was increased in the spleen at 6 h. A gradual decrease in Bcl-2 and abrupt increase of Bim expression in the spleen at the late phase were also found. These results showed that B lymphocytopenia with the appearance of Bregs is the earliest event, likely leading to immunoparalysis in sepsis.
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Affiliation(s)
- Kensuke Umakoshi
- Department of Emergency and Critical Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan; Advanced Emergency and Critical Care Center, Ehime Prefectural Central Hospital, Matsuyama, Ehime, Japan
| | - Mohammed E Choudhury
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Ryutaro Nishioka
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Hironori Matsumoto
- Department of Emergency and Critical Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Naoki Abe
- Department of Anesthesia and Perioperative Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Yuki Nishikawa
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Satoshi Kikuchi
- Department of Aeromedical Services for Emergency and Trauma Care, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Jun Takeba
- Department of Aeromedical Services for Emergency and Trauma Care, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Hajime Yano
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Toshihiro Yorozuya
- Department of Anesthesia and Perioperative Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Norio Sato
- Department of Emergency and Critical Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Mayuki Aibiki
- Department of Emergency and Critical Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Junya Tanaka
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan.
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Abe N, Choudhury ME, Watanabe M, Kawasaki S, Nishihara T, Yano H, Matsumoto S, Kunieda T, Kumon Y, Yorozuya T, Tanaka J. Comparison of the detrimental features of microglia and infiltrated macrophages in traumatic brain injury: A study using a hypnotic bromovalerylurea. Glia 2018; 66:2158-2173. [PMID: 30194744 DOI: 10.1002/glia.23469] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 05/18/2018] [Accepted: 05/22/2018] [Indexed: 11/10/2022]
Abstract
Microglia and blood-borne macrophages in injured or diseased brains are difficult to distinguish because they share many common characteristics. However, the identification of microglia-specific markers and the use of flow cytometry have recently made it easy to discriminate these types of cells. In this study, we analyzed the features of blood-borne macrophages, and activated and resting microglia in a rat traumatic brain injury (TBI) model. Oxidative injury was indicated in macrophages and neurons in TBI lesions by the presence of 8-hydroxy-2'-deoxyguanosine (8-OHdG). Generation of mitochondrial reactive oxygen species (ROS) was markedly observed in granulocytes and macrophages, but not in activated or resting microglia. Dihydroethidium staining supported microglia not being the major source of ROS in TBI lesions. Furthermore, macrophages expressed NADPH oxidase 2, interleukin-1β (IL-1β), and CD68 at higher levels than microglia. In contrast, microglia expressed transforming growth factor β1 (TGFβ1), interleukin-6 (IL-6), and tumor necrosis factor α at higher levels than macrophages. A hypnotic, bromovalerylurea (BU), which has anti-inflammatory effects, reduced both glycolysis and mitochondrial oxygen consumption. BU administration inhibited chemokine CCL2 expression, accumulation of monocytes/macrophages, 8-OHdG generation, mitochondrial ROS generation, and proinflammatory cytokine expression, and markedly ameliorated the outcome of the TBI model. Yet, BU did not inhibit microglial activation or expression of TGFβ1 and insulin-like growth factor 1 (IGF-1). These results indicate that macrophages are the major aggravating cell type in TBI lesions, in particular during the acute phase. Activated microglia may even play favorable roles. Reduction of cellular energy metabolism in macrophages and suppression of CCL2 expression in injured tissue may lead to amelioration of TBI.
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Affiliation(s)
- Naoki Abe
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan.,Department of Anesthesia and Perioperative Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Mohammed E Choudhury
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Minori Watanabe
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Shun Kawasaki
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan.,Department of Surgery and Palliative Medicine, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Tasuku Nishihara
- Department of Anesthesia and Perioperative Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Hajime Yano
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Shirabe Matsumoto
- Department of Neurosurgery, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Takehiro Kunieda
- Department of Neurosurgery, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Yoshiaki Kumon
- Department of Neurosurgery, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Toshihiro Yorozuya
- Department of Anesthesia and Perioperative Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Junya Tanaka
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
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Yu Y, Wang D, Li H, Liu Y, Xiang Z, Wu J, Jing X. IPSC‑MSC inhibition assessment in Raw 264.7 cells following oxygen and glucose deprivation reveals a distinct function for cardiopulmonary resuscitation. Mol Med Rep 2018; 17:8212-8220. [PMID: 29658608 PMCID: PMC5983996 DOI: 10.3892/mmr.2018.8864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 11/02/2017] [Indexed: 01/01/2023] Open
Abstract
Hypoxia is a serious stress state. The nervous system is less tolerant to hypoxia, and cell death due to hypoxia is irreversible. With the incidence of cardiovascular disease gradually increasing, the sudden cardiac death rate is additionally increasing. Although cardiopulmonary resuscitation (CPR) is an important development, recovery is frequently poor. In a successful recovery population, ~40% of the population was in a vegetative state or subsequently succumbed to their condition, and ~20% had brain damage. Therefore, the recovery of the brain is of particular importance in CPR. Immune disorders are one of the major mechanisms of cerebral resuscitation following CPR. Studies have demonstrated that induced pluripotent stem cell-derived mesenchymal stem cells (IPSC-MSCs) have a strong immune regulatory effect during tissue repair and anti-inflammatory effects. IPSC-MSCs may inhibit the inflammatory response by means of the inflammatory reaction network to improve brain function following CPR, although the cellular and molecular mechanisms remain unclear. Macrophages are a bridge between innate immune and specific immune responses in the body; therefore, it was hypothesized that macrophages may be the important effector cell of the role of IPSC-MSCs in improving brain function following recovery of spontaneous respiration and circulation subsequent to cardiopulmonary resuscitation. In the present study, IPSC-MSCs were applied to the oxygen and glucose deprivation (OGD) model. It was observed that intervention with IPSC-MSCs was able to alter the polarization direction of macrophages. The difference in the proportions of M1 and M2 macrophages was statistically significant at 6, 12, 24 and 48 h (P=0.037, P<0.05) in the OGD + IPSC-MSCs group (M1, 33.48±5.6%; M2, 50.84±6.9%) and in the OGD group (M1, 83.55±7.3%; M2, 11.41±3.2%), and over time this trend was more obvious. The polarization direction of macrophages is associated with the neurogenic locus notch homolog protein 1 (Notch-1) signaling pathway. In conclusion, it was observed that IPSC-MSCs may be associated with altered macrophage polarization, which may be accomplished by inhibiting the Notch-1 signaling pathway.
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Affiliation(s)
- Yi Yu
- Emergency Department, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Dongping Wang
- Organ Transplant Center, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Hui Li
- Emergency Department, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Yujie Liu
- Department of Breast Surgery and Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong Higher Education Institutes, Sun Yat‑Sen Memorial Hospital, Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Zhao Xiang
- Emergency Department, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Junlin Wu
- Emergency Department, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Xiaoli Jing
- Emergency Department, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
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10
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Kawasaki S, Abe N, Ohtake F, Islam A, Choudhury ME, Utsunomiya R, Kikuchi S, Nishihara T, Kuwabara J, Yano H, Watanabe Y, Aibiki M, Yorozuya T, Tanaka J. Effects of hypnotic bromovalerylurea on microglial BV2 cells. J Pharmacol Sci 2017. [PMID: 28645489 DOI: 10.1016/j.jphs.2017.05.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
An old sedative and hypnotic bromovalerylurea (BU) has anti-inflammatory effects. BU suppressed nitric oxide (NO) release and proinflammatory cytokine expression by lipopolysaccharide (LPS)-treated BV2 cells, a murine microglial cell line. However, BU did not inhibit LPS-induced nuclear translocation of nuclear factor-κB and subsequent transcription. BU suppressed LPS-induced phosphorylation of signal transducer and activator of transcription 1 (STAT1) and expression of interferon regulatory factor 1 (IRF1). The Janus kinase 1 (JAK1) inhibitor filgotinib suppressed the NO release much more weakly than that of BU, although filgotinib almost completely prevented LPS-induced STAT1 phosphorylation. Knockdown of JAK1, STAT1, or IRF1 did not affect the suppressive effects of BU on LPS-induced NO release by BV2 cells. A combination of BU and filgotinib synergistically suppressed the NO release. The mitochondrial complex I inhibitor rotenone, which did not prevent STAT1 phosphorylation or IRF1 expression, suppressed proinflammatory mediator expression less significantly than BU. BU and rotenone reduced intracellular ATP (iATP) levels to a similar extent. A combination of rotenone and filgotinib suppressed NO release by LPS-treated BV2 cells as strongly as BU. These results suggest that anti-inflammatory actions of BU may be attributable to the synergism of inhibition of JAK1/STAT1-dependent pathways and reduction in iATP level.
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Affiliation(s)
- Shun Kawasaki
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime 791-0295, Japan; Department of Anesthesiology and Resuscitology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Naoki Abe
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime 791-0295, Japan; Department of Anesthesiology and Resuscitology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Fumito Ohtake
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime 791-0295, Japan
| | - Afsana Islam
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime 791-0295, Japan
| | | | - Ryo Utsunomiya
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime 791-0295, Japan
| | - Satoshi Kikuchi
- Department of Emergency Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Tasuku Nishihara
- Department of Anesthesiology and Resuscitology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Jun Kuwabara
- Department of Gastrointestinal Surgery and Surgical Oncology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Hajime Yano
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime 791-0295, Japan
| | - Yuji Watanabe
- Department of Gastrointestinal Surgery and Surgical Oncology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Mayuki Aibiki
- Department of Emergency Medicine, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Toshihiro Yorozuya
- Department of Anesthesiology and Resuscitology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Junya Tanaka
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Toon, Ehime 791-0295, Japan.
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11
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Wang CY, Hsieh MJ, Hsieh IC, Shie SS, Ho MY, Yeh JK, Tsai ML, Yang CH, Hung KC, Wang CC, Wen MS. CLOCK modulates survival and acute lung injury in mice with polymicrobial sepsis. Biochem Biophys Res Commun 2016; 478:935-41. [DOI: 10.1016/j.bbrc.2016.08.054] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 08/08/2016] [Indexed: 01/01/2023]
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12
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Higaki H, Choudhury ME, Kawamoto C, Miyamoto K, Islam A, Ishii Y, Miyanishi K, Takeda H, Seo N, Sugimoto K, Takahashi H, Yano H, Tanaka J. The hypnotic bromovalerylurea ameliorates 6-hydroxydopamine-induced dopaminergic neuron loss while suppressing expression of interferon regulatory factors by microglia. Neurochem Int 2016; 99:158-168. [PMID: 27392596 DOI: 10.1016/j.neuint.2016.06.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 06/02/2016] [Accepted: 06/28/2016] [Indexed: 01/17/2023]
Abstract
The low molecular weight organic compound bromovalerylurea (BU) has long been used as a hypnotic/sedative. In the present study, we found that BU suppressed mRNA expression of proinflammatory factors and nitric oxide release in lipopolysaccharide (LPS)-treated rat primary microglial cell cultures. BU prevented neuronal degeneration in LPS-treated neuron-microglia cocultures. The anti-inflammatory effects of BU were as strong as those of a synthetic glucocorticoid, dexamethasone. A rat hemi-Parkinsonian model was prepared by injecting 6-hydroxydopamine into the right striatum. BU was orally administered to these rats for 7 days, which ameliorated the degeneration of dopaminergic neurons in the substantia nigra pars compacta (SNpc) and alleviated motor deficits. BU suppressed the expression of mRNAs for interferon regulatory factors (IRFs) 1, 7 and 8 in the right (lesioned) ventral midbrain as well as those for proinflammatory mediators. BU increased mRNA expression of various neuroprotective factors, including platelet-derived growth factor and hepatocyte growth factor, but it did not increase expression of alternative activation (M2) markers. In microglial culture, BU suppressed the LPS-induced increase in expression of IRFs 1 and 8, and it reduced LPS-induced phosphorylation of JAK1 and STATs 1 and 3. Knockdown of IRFs 1 and 8 suppressed LPS-induced NO release by microglial cells. These results suggest that suppression of microglial IRF expression by BU prevents neuronal cell death in the injured brain region, where microglial activation occurs. Because many Parkinsonian patients suffer from sleep disorders, BU administration before sleep may effectively ameliorate neurological symptoms and alleviate sleep dysfunction.
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Affiliation(s)
- Hiromi Higaki
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | | | - Chisato Kawamoto
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | - Keisuke Miyamoto
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | - Afsana Islam
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | - Yurika Ishii
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | - Kazuya Miyanishi
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | - Haruna Takeda
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | - Naoto Seo
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | - Kana Sugimoto
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan; Department of Legal Medicine, Graduate School of Medicine/Faculty of Medicine, Osaka University, Japan
| | - Hisaaki Takahashi
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan; Division of Pathophysiology, Faculty of Pharmaceutical Sciences, Hokuriku University, Japan
| | - Hajime Yano
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan
| | - Junya Tanaka
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Ehime University, Japan.
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