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Waltrick APF, Radulski DR, de Oliveira KM, Acco A, Verri WA, da Cunha JM, Zanoveli JM. Early evidence of beneficial and protective effects of Protectin DX treatment on behavior responses and type-1 diabetes mellitus related-parameters: A non-clinical approach. Prog Neuropsychopharmacol Biol Psychiatry 2024; 133:111028. [PMID: 38754696 DOI: 10.1016/j.pnpbp.2024.111028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 04/24/2024] [Accepted: 05/12/2024] [Indexed: 05/18/2024]
Abstract
Protectin DX (PDX), a specialized pro-resolving lipid mediator, presents potential therapeutic applications across various medical conditions due to its anti-inflammatory and antioxidant properties. Since type-1 diabetes mellitus (T1DM) is a disease with an inflammatory and oxidative profile, exploring the use of PDX in addressing T1DM and its associated comorbidities, including diabetic neuropathic pain, depression, and anxiety becomes urgent. Thus, in the current study, after 2 weeks of T1DM induction with streptozotocin (60 mg/kg) in Wistar rats, PDX (1, 3, and 10 ng/animal; i.p. injection of 200 μl/animal) was administered specifically on days 14, 15, 18, 21, 24, and 27 after T1DM induction. We investigated the PDX's effectiveness in alleviating neuropathic pain (mechanical allodynia; experiment 1), anxiety-like and depressive-like behaviors (experiment 2). Also, we studied whether the PDX treatment would induce antioxidant effects in the blood plasma, hippocampus, and prefrontal cortex (experiment 3), brain areas involved in the modulation of emotions. For evaluating mechanical allodynia, animals were repeatedly submitted to the Von Frey test; while for studying anxiety-like responses, animals were submitted to the elevated plus maze (day 26) and open field (day 28) tests. To analyze depressive-like behaviors, the animals were tested in the modified forced swimming test (day 28) immediately after the open field test. Our data demonstrated that PDX consistently increased the mechanical threshold throughout the study at the two highest doses, indicative of antinociceptive effect. Concerning depressive-like and anxiety-like behavior, all PDX doses effectively prevented these behaviors when compared to vehicle-treated T1DM rats. The PDX treatment significantly protected against the increased oxidative stress parameters in blood plasma and in hippocampus and prefrontal cortex. Interestingly, treated animals presented improvement on diabetes-related parameters by promoting weight gain and reducing hyperglycemia in T1DM rats. These findings suggest that PDX improved diabetic neuropathic pain, and induced antidepressant-like and anxiolytic-like effects, in addition to improving parameters related to the diabetic condition. It is worth noting that PDX also presented a protective action demonstrated by its antioxidant effects. To conclude, our findings suggest PDX treatment may be a promising candidate for improving the diabetic condition per se along with highly disabling comorbidities such as diabetic neuropathic pain and emotional disturbances associated with T1DM.
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Affiliation(s)
- Ana Paula Farias Waltrick
- Department of Pharmacology, Biological Sciences Building, Federal University of Paraná, Street Coronel Francisco H dos Santos S/N, P.O. Box 19031, Curitiba, PR 81540-990, Brazil
| | - Débora Rasec Radulski
- Department of Pharmacology, Biological Sciences Building, Federal University of Paraná, Street Coronel Francisco H dos Santos S/N, P.O. Box 19031, Curitiba, PR 81540-990, Brazil
| | - Kauê Marcel de Oliveira
- Department of Pharmacology, Biological Sciences Building, Federal University of Paraná, Street Coronel Francisco H dos Santos S/N, P.O. Box 19031, Curitiba, PR 81540-990, Brazil
| | - Alexandra Acco
- Department of Pharmacology, Biological Sciences Building, Federal University of Paraná, Street Coronel Francisco H dos Santos S/N, P.O. Box 19031, Curitiba, PR 81540-990, Brazil
| | | | - Joice Maria da Cunha
- Department of Pharmacology, Biological Sciences Building, Federal University of Paraná, Street Coronel Francisco H dos Santos S/N, P.O. Box 19031, Curitiba, PR 81540-990, Brazil
| | - Janaina Menezes Zanoveli
- Department of Pharmacology, Biological Sciences Building, Federal University of Paraná, Street Coronel Francisco H dos Santos S/N, P.O. Box 19031, Curitiba, PR 81540-990, Brazil.
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Borreca A, Mantovani C, Desiato G, Corradini I, Filipello F, Elia CA, D'Autilia F, Santamaria G, Garlanda C, Morini R, Pozzi D, Matteoli M. Loss of interleukin 1 signaling causes impairment of microglia- mediated synapse elimination and autistic-like behaviour in mice. Brain Behav Immun 2024; 117:493-509. [PMID: 38307446 DOI: 10.1016/j.bbi.2024.01.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/11/2024] [Accepted: 01/25/2024] [Indexed: 02/04/2024] Open
Abstract
In the last years, the hypothesis that elevated levels of proinflammatory cytokines contribute to the pathogenesis of neurodevelopmental diseases has gained popularity. IL-1 is one of the main cytokines found to be elevated in Autism spectrum disorder (ASD), a complex neurodevelopmental condition characterized by defects in social communication and cognitive impairments. In this study, we demonstrate that mice lacking IL-1 signaling display autistic-like defects associated with an excessive number of synapses. We also show that microglia lacking IL-1 signaling at early neurodevelopmental stages are unable to properly perform the process of synapse engulfment and display excessive activation of mammalian target of rapamycin (mTOR) signaling. Notably, even the acute inhibition of IL-1R1 by IL-1Ra is sufficient to enhance mTOR signaling and reduce synaptosome phagocytosis in WT microglia. Finally, we demonstrate that rapamycin treatment rescues the defects in IL-1R deficient mice. These data unveil an exclusive role of microglial IL-1 in synapse refinement via mTOR signaling and indicate a novel mechanism possibly involved in neurodevelopmental disorders associated with defects in the IL-1 pathway.
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Affiliation(s)
- Antonella Borreca
- Institute of Neuroscience (IN-CNR), Consiglio Nazionale delle Ricerche, Milan, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Cristina Mantovani
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Milan, Italy
| | - Genni Desiato
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Irene Corradini
- Institute of Neuroscience (IN-CNR), Consiglio Nazionale delle Ricerche, Milan, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Fabia Filipello
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Chiara Adriana Elia
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Francesca D'Autilia
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Giulia Santamaria
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Cecilia Garlanda
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Milan, Italy
| | - Raffaella Morini
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Davide Pozzi
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Milan, Italy.
| | - Michela Matteoli
- Institute of Neuroscience (IN-CNR), Consiglio Nazionale delle Ricerche, Milan, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy.
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3
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Payamipour S, Peeri M, Azarbayjani MA, Masrour FF. Voluntary wheel running from early adolescence reduces disease progression, and anxiety- and depression-related symptoms in an adult male mouse model of rheumatoid arthritis. J Neuroimmunol 2023; 385:578247. [PMID: 38000323 DOI: 10.1016/j.jneuroim.2023.578247] [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: 09/04/2023] [Revised: 11/07/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023]
Abstract
Rheumatoid arthritis (RA) is a multifactorial autoimmune disease that progressively destroys synovial joints and leads to chronic systemic inflammation. This autoimmune disorder is associated with increased anxiety- and depression-related symptoms, which reduces quality of life. Clinical and experimental evidence suggests that higher physical activity from early adolescence may prevent chronic diseases and reduce the risk of mental health problems in adulthood. This study aimed to assess whether voluntary wheel running from early adolescence can decrease clinical symptoms, anxiety- and depression-related behaviors in adult mice with rheumatoid arthritis. Adolescent male mice were exposed to voluntary wheel running until adulthood and got collagen-induced arthritis. We measured body weight, the thickness of the hind paw and knee joint (clinical signs), anxiety- and depression-related behaviors, serum testosterone, and cytokines (IFN-γ IL-1β, IL-6, TNF-α, IL-10). The findings showed that collagen-induced arthritis resulted in anxious-like behavior, increased anhedonia, elevated IL-6, IL-1β, TNF-α, and IFN-γ, and decreased testosterone levels in the serum of mice. However, no change was observed in behavioral despair. We found that higher physical activity from early adolescence significantly reduced the severity of clinical signs, anxiety- and anhedonia-like behaviors, and decreased behavioral despair in RA-induced mice. In addition, the running wheel exposure normalized RA-induced abnormalities in testosterone and inflammatory cytokines in mice. Altogether, this study suggests that higher physical activity from early adolescence may make mice less vulnerable or resistant to RA-induced clinical symptoms and anxiety- and depression-related behaviors by changing testosterone and inflammatory cytokines productions in adulthood.
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Affiliation(s)
- Sheida Payamipour
- Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Maghsoud Peeri
- Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran.
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Ibáñez C, Acuña T, Quintanilla ME, Pérez-Reytor D, Morales P, Karahanian E. Fenofibrate Decreases Ethanol-Induced Neuroinflammation and Oxidative Stress and Reduces Alcohol Relapse in Rats by a PPAR-α-Dependent Mechanism. Antioxidants (Basel) 2023; 12:1758. [PMID: 37760061 PMCID: PMC10525752 DOI: 10.3390/antiox12091758] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/06/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
High ethanol consumption triggers neuroinflammation, implicated in sustaining chronic alcohol use. This inflammation boosts glutamate, prompting dopamine release in reward centers, driving prolonged drinking and relapse. Fibrate drugs, activating peroxisome proliferator-activated receptor alpha (PPAR-α), counteract neuroinflammation in other contexts, prompting investigation into their impact on ethanol-induced inflammation. Here, we studied, in UChB drinker rats, whether the administration of fenofibrate in the withdrawal stage after chronic ethanol consumption reduces voluntary intake when alcohol is offered again to the animals (relapse-type drinking). Furthermore, we determined if fenofibrate was able to decrease ethanol-induced neuroinflammation and oxidative stress in the brain. Animals treated with fenofibrate decreased alcohol consumption by 80% during post-abstinence relapse. Furthermore, fenofibrate decreased the expression of the proinflammatory cytokines tumor necrosis factor-alpha (TNF-α) and interleukins IL-1β and IL-6, and of an oxidative stress-induced gene (heme oxygenase-1), in the hippocampus, nucleus accumbens, and prefrontal cortex. Animals treated with fenofibrate showed an increase M2-type microglia (with anti-inflammatory proprieties) and a decrease in phagocytic microglia in the hippocampus. A PPAR-α antagonist (GW6471) abrogated the effects of fenofibrate, indicating that they are dependent on PPAR-α activation. These findings highlight the potential of fenofibrate, an FDA-approved dyslipidemia medication, as a supplementary approach to alleviating relapse severity in individuals with alcohol use disorder (AUD) during withdrawal.
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Affiliation(s)
- Cristina Ibáñez
- Institute of Biomedical Sciences, Faculty of Health Sciences, Universidad Autónoma de Chile, Santiago 8910060, Chile; (C.I.); (D.P.-R.)
- Research Center for the Development of Novel Therapeutic Alternatives for Alcohol Use Disorders, Santiago 8910060, Chile;
| | - Tirso Acuña
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile;
| | - María Elena Quintanilla
- Research Center for the Development of Novel Therapeutic Alternatives for Alcohol Use Disorders, Santiago 8910060, Chile;
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile;
| | - Diliana Pérez-Reytor
- Institute of Biomedical Sciences, Faculty of Health Sciences, Universidad Autónoma de Chile, Santiago 8910060, Chile; (C.I.); (D.P.-R.)
| | - Paola Morales
- Research Center for the Development of Novel Therapeutic Alternatives for Alcohol Use Disorders, Santiago 8910060, Chile;
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile;
- Department of Neuroscience, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile
| | - Eduardo Karahanian
- Institute of Biomedical Sciences, Faculty of Health Sciences, Universidad Autónoma de Chile, Santiago 8910060, Chile; (C.I.); (D.P.-R.)
- Research Center for the Development of Novel Therapeutic Alternatives for Alcohol Use Disorders, Santiago 8910060, Chile;
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Zhao W, Spiers JG, Vassileff N, Khadka A, Jaehne EJ, van den Buuse M, Hill AF. microRNA-146a modulates behavioural activity, neuroinflammation, and oxidative stress in adult mice. Mol Cell Neurosci 2023; 124:103820. [PMID: 36736750 DOI: 10.1016/j.mcn.2023.103820] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/23/2023] [Accepted: 01/27/2023] [Indexed: 02/04/2023] Open
Abstract
Small non-coding miRNA act as key regulators of several physiological processes due to their ability to interact with numerous target mRNA within a network. Whilst several miRNA can act in concert to regulate target mRNA expression, miR-146a has emerged as a critical modulator of inflammation by targeting key upstream signalling proteins of the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) pathway and reductions in this miRNA have been observed in several neurological and neurodegenerative disorders. However, a targeted assessment of behaviour and neural tissues following the loss of miR-146a has not been documented. In this study, we examined the behavioural and neuroinflammatory phenotype of mice lacking miR-146a to determine the role of this miRNA in neurological function. Adult miR-146a-/- mice displayed no overt developmental phenotype with the exception of enlarged spleens. Behavioural testing revealed a mild but significant reduction in exploratory locomotor activity and increase in anxiety-like behaviour, with no changes in short-term spatial memory, fear conditioning, or sensorimotor gating. In the brain, the lack of miR-146a resulted in a significant compensatory miR-155 expression with no significant changes in expression of the target Interleukin 1 Receptor Associated Kinase (Irak) gene family. Despite these effects on upstream NF-κB mediators, downstream expression of cytokine and chemokine messengers was significantly elevated in miR-146a-/- mice compared to wild-type controls. Moreover, this increase in inflammatory cytokines was observed alongside an induction of oxidative stress, driven in part by nicotinamide adenine dinucleotide phosphate (NADPH)-oxidase, and included reduced thiol antioxidant concentrations and increased oxidised protein carbonyl concentrations. In female miR-146a mice, this increase in oxidative stress resulted in an increased expression of superoxide dismutase 1 (SOD1). Together, this suggests miR-146a plays a key role in regulating inflammation even in the absence of inflammatory stimuli and reduced levels of this miRNA have the capacity to induce limited behavioural effects whilst exacerbating both inflammation and oxidative stress in the brain.
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Affiliation(s)
- Wenting Zhao
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3083, Australia
| | - Jereme G Spiers
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3083, Australia
| | - Natasha Vassileff
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3083, Australia
| | - Arun Khadka
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3083, Australia
| | - Emily J Jaehne
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3083, Australia
| | - Maarten van den Buuse
- Department of Psychology, Counselling and Therapy, School of Psychology and Public Health, La Trobe University, Melbourne, Australia; Department of Pharmacology, University of Melbourne, Melbourne, Australia
| | - Andrew F Hill
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3083, Australia; Institute for Health and Sport, Victoria University, Footscray, Melbourne, Australia.
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Zhang Y, Yin HY, Rubini P, Tang Y, Illes P. A Possible Causal Involvement of Neuroinflammatory, Purinergic P2X7 Receptors in Psychiatric Disorders. Curr Neuropharmacol 2022; 20:2142-2155. [PMID: 35236262 PMCID: PMC9886837 DOI: 10.2174/1570159x20666220302152400] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/29/2022] [Accepted: 02/26/2022] [Indexed: 11/22/2022] Open
Abstract
P2X7 receptors (Rs) are prominent members of the P2XR family, which after binding ATP, open non-selective cationic channels, thereby allowing the transmembrane passage of Na+, Ca2+, and K+. Long-lasting and repetitive stimulation of the receptor by its agonist leads to the formation of large membrane pores permeable for organic cations of up to 900 Da molecular size. These pores are believed to play a role in apoptosis and inflammation. P2X7Rs are located primarily at peripheral macrophages and microglial cells, the resident macrophages of the CNS. The coactivation of toll-like receptors 4 (TLR4) by lipopolysaccharide, a constituent of the cell membrane of gram-negative bacteria, and the P2X7R by ATP leads to the generation and release of the proinflammatory cytokines interleukin-1β (IL-1β), IL-6, and tumor necrosis factor-α. Together with the microglial release of chemokines, reactive oxygen and nitrogen species, proteases, and excitotoxic glutamate, these cytokines result in neurodegeneration. P2X7Rs were found not only to amplify various neurodegenerative illnesses, such as Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, and multiple sclerosis, but also to participate in a range of psychiatric diseases, such as major depression, bipolar disorder, schizophrenia, and autism spectrum disorder. Based on the prevention/reversal of neuroinflammation, pharmacological antagonists of P2X7Rs and their genetic deletion in animal experiments counteract these deleterious psychiatric conditions. Hence, brain penetrant P2X7R antagonists are potential therapeutics for psychiatric diseases, although the available evidence still needs to be extended and validated by further clinical data.
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Affiliation(s)
- Ying Zhang
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China;,International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Hai-Yan Yin
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Patrizia Rubini
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China;,International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Yong Tang
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China;,International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China;,Address correspondence to these authors at the Rudolf Boehm Institute for Pharmacology and Toxicology, University of Leipzig, 04107, Leipzig, Germany; Tel/Fax: (+49)341-9724614, (+49)341-9724609; E-mail: or at Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, 610075, Chengdu, China; Tel/Fax: (+86) 28-87689918, (+86) 28-87683962; E-mail:
| | - Peter Illes
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China;,International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China;,Rudolf Boehm Institute for Pharmacology and Toxicology, University of Leipzig, 04109 Leipzig, Germany,Address correspondence to these authors at the Rudolf Boehm Institute for Pharmacology and Toxicology, University of Leipzig, 04107, Leipzig, Germany; Tel/Fax: (+49)341-9724614, (+49)341-9724609; E-mail: or at Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, 610075, Chengdu, China; Tel/Fax: (+86) 28-87689918, (+86) 28-87683962; E-mail:
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Resolvin D5 disrupts anxious- and depressive-like behaviors in a type 1 diabetes mellitus animal model. Naunyn Schmiedebergs Arch Pharmacol 2022; 395:1269-1282. [DOI: 10.1007/s00210-022-02274-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 07/12/2022] [Indexed: 10/17/2022]
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8
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Cluny NL, Nyuyki KD, Almishri W, Griffin L, Lee BH, Hirota SA, Pittman QJ, Swain MG, Sharkey KA. Recruitment of α4β7 monocytes and neutrophils to the brain in experimental colitis is associated with elevated cytokines and anxiety-like behavior. J Neuroinflammation 2022; 19:73. [PMID: 35379260 PMCID: PMC8981853 DOI: 10.1186/s12974-022-02431-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 03/15/2022] [Indexed: 02/07/2023] Open
Abstract
Background Behavioral comorbidities, such as anxiety and depression, are a prominent feature of IBD. The signals from the inflamed gut that cause changes in the brain leading to these behavioral comorbidities remain to be fully elucidated. We tested the hypothesis that enhanced leukocyte–cerebral endothelial cell interactions occur in the brain in experimental colitis, mediated by α4β7 integrin, to initiate neuroimmune activation and anxiety-like behavior. Methods Female mice treated with dextran sodium sulfate were studied at the peak of acute colitis. Circulating leukocyte populations were determined using flow cytometry. Leukocyte–cerebral endothelial cell interactions were examined using intravital microscopy in mice treated with anti-integrin antibodies. Brain cytokine and chemokines were assessed using a multiplex assay in animals treated with anti-α4β7 integrin. Anxiety-like behavior was assessed using an elevated plus maze in animals after treatment with an intracerebroventricular injection of interleukin 1 receptor antagonist. Results The proportion of classical monocytes expressing α4β7 integrin was increased in peripheral blood of mice with colitis. An increase in the number of rolling and adherent leukocytes on cerebral endothelial cells was observed, the majority of which were neutrophils. Treatment with anti-α4β7 integrin significantly reduced the number of rolling leukocytes. After anti-Ly6C treatment to deplete monocytes, the number of rolling and adhering neutrophils was significantly reduced in mice with colitis. Interleukin-1β and CCL2 levels were elevated in the brain and treatment with anti-α4β7 significantly reduced them. Enhanced anxiety-like behavior in mice with colitis was reversed by treatment with interleukin 1 receptor antagonist. Conclusions In experimental colitis, α4β7 integrin-expressing monocytes direct the recruitment of neutrophils to the cerebral vasculature, leading to elevated cytokine levels. Increased interleukin-1β mediates anxiety-like behavior. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-022-02431-z.
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Affiliation(s)
- Nina L Cluny
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
| | - Kewir D Nyuyki
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
| | - Wagdi Almishri
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Division of Gastroenterology and Hepatology, Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Lateece Griffin
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
| | - Benjamin H Lee
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
| | - Simon A Hirota
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada.,Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Quentin J Pittman
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada.,Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Mark G Swain
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Division of Gastroenterology and Hepatology, Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Keith A Sharkey
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada. .,Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada. .,Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada.
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9
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Ham HJ, Lee YS, Lee HP, Ham YW, Yun J, Han SB, Hong JT. G721-0282 Exerts Anxiolytic-Like Effects on Chronic Unpredictable Mild Stress in Mice Through Inhibition of Chitinase-3-Like 1-Mediated Neuroinflammation. Front Cell Neurosci 2022; 16:793835. [PMID: 35345530 PMCID: PMC8957088 DOI: 10.3389/fncel.2022.793835] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/02/2022] [Indexed: 11/30/2022] Open
Abstract
Chronic stress is thought to be a major contributor to the onset of mental disorders such as anxiety disorders. Several studies have demonstrated a correlation between anxiety state and neuroinflammation, but the detailed mechanism is unclear. Chitinase-3-like 1 (CHI3L1) is expressed in several chronic inflammatorily damaged tissues and is well known to play a major role in mediating inflammatory responses. In the present study, we investigated the anxiolytic-like effect of N-Allyl-2-[(6-butyl-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-5-yl)sulfanyl]acetamide (G721-0282), an inhibitor of CHI3L1, on mice treated with chronic unpredictable mild stress (CUMS), as well as the mechanism of its action. We examined the anxiolytic-like effect of G721-0282 by conducting several behavioral tests with oral administration of G721-0282 to CUMS-treated BALB/c male mice. We found that administration of G721-0282 relieves CUMS-induced anxiety. Anxiolytic-like effects of G721-0282 have been shown to be associated with decreased expressions of CUMS-induced inflammatory proteins and cytokines in the hippocampus. The CUMS-elevated levels of CHI3L1 and IGFBP3 were inhibited by treatment with G721-0282 in vivo and in vitro. However, CHI3L1 deficiency abolished the anti-inflammatory effects of G721-0282 in microglial BV-2 cells. These results suggest that G721-0282 could lower CUMS-induced anxiety like behaviors by regulating IGFBP3-mediated neuroinflammation via inhibition of CHI3L1.
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Affiliation(s)
- Hyeon Joo Ham
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Yong Sun Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Hee Pom Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Young Wan Ham
- Department of Chemistry, Utah Valley University, Orem, UT, United States
| | - Jaesuk Yun
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Sang Bae Han
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
- *Correspondence: Jin Tae Hong,
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Subfornical organ interleukin 1 receptor: A novel regulator of spontaneous and conditioned fear associated behaviors in mice. Brain Behav Immun 2022; 101:304-317. [PMID: 35032573 PMCID: PMC9836229 DOI: 10.1016/j.bbi.2022.01.004] [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: 09/15/2021] [Revised: 12/25/2021] [Accepted: 01/07/2022] [Indexed: 01/14/2023] Open
Abstract
Impaired threat responding and fear regulation is a hallmark of psychiatric conditions such as post-traumatic stress disorder (PTSD) and Panic Disorder (PD). Most studies have focused on external psychogenic threats to study fear, however, accumulating evidence suggests a primary role of homeostatic perturbations and interoception in regulating emotional behaviors. Heightened reactivity to interoceptive threat carbon dioxide (CO2) inhalation associates with increased risk for developing PD and PTSD, however, contributory mechanisms and molecular targets are not well understood. Previous studies from our group suggested a potential role of interleukin 1 receptor (IL-1R1) signaling within BBB-devoid sensory circumventricular organ, the subfornical organ (SFO) in CO2-evoked fear. However, the necessity of SFO-IL-1R1 in regulating CO2-associated spontaneous fear as well as, long-term fear potentiation relevant to PD/PTSD has not been investigated. The current study tested male mice with SFO-targeted microinfusion of the IL-1R1 antagonist (IL-1RA) or vehicle in a recently developed CO2-startle-fear conditioning-extinction paradigm. Consistent with our hypothesis, SFO IL-1RA treatment elicited significant attenuation of freezing and increased rearing during CO2 inhalation suggesting SFO-IL1R1 regulation of spontaneous fear to CO2. Intriguingly, SFO IL-1RA treatment normalized CO2-associated potentiation of conditioned fear and impaired extinction a week later suggesting modulation of long-term fear by SFO-IL-1R1 signaling. Post behavior FosB mapping revealed recruitment of prefrontal cortex-amygdala-periaqueductal gray (PAG) areas in SFO-IL-1RA mediated effects. Additionally, we localized cellular IL-1R1 expression within the SFO to blood vessel endothelial cells and observed CO2-induced alterations in IL-1β/IL-1R1 expression in peripheral mononuclear cells and SFO. Lastly, CO2-evoked microglial activation was attenuated in SFO-IL-1RA treated mice. These observations suggest a peripheral monocyte-endothelial-microglia interplay in SFO-IL-1R1 modulation of CO2-associated spontaneous fear and delayed fear memory. Collectively, our data highlight a novel, "bottom-up" neuroimmune mechanism that integrates interoceptive and exteroceptive threat processing of relevance to fear-related pathologies.
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Abstract
Interleukin-1 (IL-1) is an inflammatory cytokine that has been shown to modulate neuronal signaling in homeostasis and diseases. In homeostasis, IL-1 regulates sleep and memory formation, whereas in diseases, IL-1 impairs memory and alters affect. Interestingly, IL-1 can cause long-lasting changes in behavior, suggesting IL-1 can alter neuroplasticity. The neuroplastic effects of IL-1 are mediated via its cognate receptor, Interleukin-1 Type 1 Receptor (IL-1R1), and are dependent on the distribution and cell type(s) of IL-1R1 expression. Recent reports found that IL-1R1 expression is restricted to discrete subpopulations of neurons, astrocytes, and endothelial cells and suggest IL-1 can influence neural circuits directly through neuronal IL-1R1 or indirectly via non-neuronal IL-1R1. In this review, we analyzed multiple mechanisms by which IL-1/IL-1R1 signaling might impact neuroplasticity based upon the most up-to-date literature and provided potential explanations to clarify discrepant and confusing findings reported in the past.
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Affiliation(s)
- Daniel P. Nemeth
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
- Department of Biomedical Science, Charles E. Schmidt College of Medicine and Brain Institute, Florida Atlantic University, Jupiter, FL, USA
| | - Ning Quan
- Department of Biomedical Science, Charles E. Schmidt College of Medicine and Brain Institute, Florida Atlantic University, Jupiter, FL, USA
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12
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Study on the Antianxiety Mechanism of Suanzaoren Decoction Based on Network Pharmacology and Molecular Docking. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021. [DOI: 10.1155/2021/5531136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Objective. Suanzaoren Decoction (SZRT) is a classic decoction to calm the nerves in traditional Chinese medicine (TCM). It has been extensively treated as an antianxiety drug in modern times, but the material basis and pharmacological mechanisms are still unclear. To explore the material basis and corresponding potential targets, as well as to elucidate the mechanism of SZRT, network pharmacology and molecular docking methods were utilized. Methods. The main chemical compounds and potential targets of SZRT were collected from the pharmacological database analysis platform (TCMSP). Anxiety targets were obtained from the GeneCards database. Then, a target compound network was established using overlapping genes and the corresponding potential compounds. Protein interaction analysis, GO enrichment, and KEGG pathway enrichment were performed using the STRING database, DAVID database, and KOBAS database. Finally, molecular docking was conducted between MAOB and its corresponding active compound in SZRT to further verify the results. Results. A total of 137 active components in SZRT were screened from the TCMSP database, and 210 corresponding targets were predicted. A total of 5434 anxiety-related targets were obtained from the disease target database, and finally 22 potential targets of SZRT on antianxiety were obtained. The constructed C-T network showed that the average degree of active components was 5.4, and four of them interacted with six or more targets. PPI analysis shows that key genes such as MAOA, MAOB, IL1B, TNF, NR3CI, and HTR3A were identified as potential therapeutic targets. A pathway analysis showed that SZRT may participate in neurotransmitter regulation and immunoregulation in a synergistic way to treat anxiety. The binding energy between the active compounds and MAOB was low, indicating good binding. The results of molecular docking showed that all the 10 active ingredients were able to successfully dock with MAOB, and the binding energy of coumaroyltyramine with MAOB was the lowest, that is, −9.6 kcal/mol, and the binding method was hydrogen bonding. Conclusions. SZRT produces antianxiety effects mainly by affecting the neurotransmitter release, transmission, and immunoregulation. This study provides a new approach to elucidating the molecular mechanism and material basis of SZRT in the treatment of anxiety, and it will also benefit the application of TCM in modern medicine.
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Hews-Girard J, Goodyear MD. Psychosocial burden of type 1 and 2 hereditary angioedema: a single-center Canadian cohort study. Allergy Asthma Clin Immunol 2021; 17:61. [PMID: 34187550 PMCID: PMC8244202 DOI: 10.1186/s13223-021-00563-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 06/12/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hereditary angioedema (HAE) is a rare but serious disorder associated with a multifaceted burden of illness including a high prevalence of psychiatric symptoms and impaired health-related quality of life (HRQoL). Despite recent efforts to clarify the psychosocial implications of HAE, important gaps still remain. The aim of this study was to characterize the psychosocial burden associated with HAE types 1 and 2. METHODS Type 1 or 2 HAE patients (n = 17), aged 19 years or older, completed the Depression, Anxiety, Stress Scale (DASS-21) and the DSM-5 cross cutting measures to identify psychiatric symptomatology, Angioedema Quality of Life Questionnaire (AE-QoL) and the Short-Form 36-Item Health Survey version 2 (SF-36v2) to assess disease-related and generic HRQoL respectively, and the Work Productivity and Activity Impairment Questionnaire (WPAI) to measure impact on work productivity and daily activities. Data analyses were conducted using SPSS statistical software (Version 25.0; IBM, Armonk, NY). Descriptive statistics were used to summarize continuous demographics and clinical characteristics and outcomes of interest while frequency distributions were used for categorical variables. T tests were used to compare SF-36v2 domain scores to Canadian norms and sex differences in scale scores. RESULTS Depression [DASS-21 score = 6.8 ± 10.2; n = 12 (71%)] anxiety [DASS-21 score = 6.2 ± 8.2; n = 13 (76%)] and stress [DASS-21 score = 10 ± 10.2; n = 13 (76%)] were prevalent. Other psychiatric symptoms warranting inquiry included mania (n = 14, 82.4%), anger (n = 14, 82.4%), sleep disturbances (n = 13, 76.5%), somatic symptoms (n = 11, 64.7%) and impaired personality functioning (n = 9, 52.9%). Mean AE-QoL score was 39 ± 18.2. Mean SF-36v2 domain scores were significantly lower than Canadian normative data for the entire sample (p < 0.05). Impairment in work productivity was minimal; mean activity impairment was 20.6% ± 21.1% [n = 11 (64.7%)]. Female participants reported significantly greater HAE-related stress [DASS; t(15) = - 2.2, p = 0.04], greater HAE-related fears [AEQoL; t(5.6) = - 2.7, p = 0.04), and lower SF-36v2 domain scores than male patients. CONCLUSIONS Study findings offer specific, valuable insight into the psychosocial burden of HAE with the potential to improve clinical management of HAE. Best practices for effective management of HAE should include providing holistic care to address the psychosocial and mental health of HAE patients.
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Affiliation(s)
- Julia Hews-Girard
- Southern Alberta Rare Blood and Bleeding Disorders Comprehensive Care Program, Calgary, AB, T2N 2T9, Canada. .,Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N9, Canada.
| | - Marilyn Dawn Goodyear
- Southern Alberta Rare Blood and Bleeding Disorders Comprehensive Care Program, Calgary, AB, T2N 2T9, Canada.,Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N9, Canada
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Do changes in microglial status underlie neurogenesis impairments and depressive-like behaviours induced by psychological stress? A systematic review in animal models. Neurobiol Stress 2021; 15:100356. [PMID: 34355047 PMCID: PMC8319800 DOI: 10.1016/j.ynstr.2021.100356] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/14/2021] [Accepted: 06/14/2021] [Indexed: 02/07/2023] Open
Abstract
Stress may have a negative effect on mental health and is the primary environmental risk factor in the aetiology of depression. Nevertheless, the neurobiological mechanisms underlying this mood disorder remain poorly characterized. The hippocampus is a target structure of the adverse effects of stress, and hippocampal neurogenesis plays a crucial role. However, we do not know the mechanisms by which stress impacts neurogenesis. Recent studies indicate that changes in neuroinflammation, primarily via microglial cells, may play an essential role in this process. However, the relationship between stress, microglial changes, and alterations in neurogenesis and their involvement in the development of depression is poorly characterized. For this reason, this systematic review aims to synthesise and evaluate current studies that have investigated the relationship between these variables. Taken together, the revised data, although not entirely conclusive, seem to suggest that microglial changes induced by psychological stress regulate neurogenesis and in turn may be responsible for the development of depressive-like behaviours, but other factors that influence these stressful experiences should not be dismissed.
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15
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Namba MD, Leyrer-Jackson JM, Nagy EK, Olive MF, Neisewander JL. Neuroimmune Mechanisms as Novel Treatment Targets for Substance Use Disorders and Associated Comorbidities. Front Neurosci 2021; 15:650785. [PMID: 33935636 PMCID: PMC8082184 DOI: 10.3389/fnins.2021.650785] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022] Open
Abstract
Recent studies examining the neurobiology of substance abuse have revealed a significant role of neuroimmune signaling as a mechanism through which drugs of abuse induce aberrant changes in synaptic plasticity and contribute to substance abuse-related behaviors. Immune signaling within the brain and the periphery critically regulates homeostasis of the nervous system. Perturbations in immune signaling can induce neuroinflammation or immunosuppression, which dysregulate nervous system function including neural processes associated with substance use disorders (SUDs). In this review, we discuss the literature that demonstrates a role of neuroimmune signaling in regulating learning, memory, and synaptic plasticity, emphasizing specific cytokine signaling within the central nervous system. We then highlight recent preclinical studies, within the last 5 years when possible, that have identified immune mechanisms within the brain and the periphery associated with addiction-related behaviors. Findings thus far underscore the need for future investigations into the clinical potential of immunopharmacology as a novel approach toward treating SUDs. Considering the high prevalence rate of comorbidities among those with SUDs, we also discuss neuroimmune mechanisms of common comorbidities associated with SUDs and highlight potentially novel treatment targets for these comorbid conditions. We argue that immunopharmacology represents a novel frontier in the development of new pharmacotherapies that promote long-term abstinence from drug use and minimize the detrimental impact of SUD comorbidities on patient health and treatment outcomes.
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Affiliation(s)
- Mark D. Namba
- School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | | | - Erin K. Nagy
- Department of Psychology, Arizona State University, Tempe, AZ, United States
| | - M. Foster Olive
- Department of Psychology, Arizona State University, Tempe, AZ, United States
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16
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Smith C, Trageser KJ, Wu H, Herman FJ, Iqbal UH, Sebastian-Valverde M, Frolinger T, Zeng E, Pasinetti GM. Anxiolytic effects of NLRP3 inflammasome inhibition in a model of chronic sleep deprivation. Transl Psychiatry 2021; 11:52. [PMID: 33446652 PMCID: PMC7809257 DOI: 10.1038/s41398-020-01189-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 12/11/2020] [Accepted: 12/16/2020] [Indexed: 02/07/2023] Open
Abstract
Sleep deprivation is a form of stress that provokes both inflammatory responses and neuropsychiatric disorders. Because persistent inflammation is implicated as a physiological process in anxiety disorders, we investigated the contributions of NLRP3 inflammasome signaling to anxiety and anxiolytic properties of flavanol diets in a model of chronic sleep deprivation. The results show a flavanol-rich dietary preparation (FDP) exhibits anxiolytic properties by attenuating markers of neuroimmune activation, which included IL-1β upregulation, NLRP3 signaling, and microglia activation in the cortex and hippocampus of sleep-deprived mice. Production of IL-1β and NLRP3 were critical for both anxiety phenotypes and microglia activation. Individual FDP metabolites potently inhibited IL-1β production from microglia following stimulation with NLRP3-specific agonists, supporting anxiolytic properties of FDP observed in models of sleep deprivation involve inhibition of the NLRP3 inflammasome. The study further showed sleep deprivation alters the expression of the circadian gene Bmal1, which critically regulated NLRP3 expression and IL-1β production.
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Affiliation(s)
- Chad Smith
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Kyle J Trageser
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Henry Wu
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Francis J Herman
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Umar Haris Iqbal
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Maria Sebastian-Valverde
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Tal Frolinger
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Emma Zeng
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Giulio Maria Pasinetti
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA.
- Geriatric Research, Education and Clinical Center, James J. Peters Veterans Affairs Medical Center, Bronx, NY, 10468, USA.
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17
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Cuddy SR, Schinlever AR, Dochnal S, Seegren PV, Suzich J, Kundu P, Downs TK, Farah M, Desai BN, Boutell C, Cliffe AR. Neuronal hyperexcitability is a DLK-dependent trigger of herpes simplex virus reactivation that can be induced by IL-1. eLife 2020; 9:e58037. [PMID: 33350386 PMCID: PMC7773336 DOI: 10.7554/elife.58037] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 12/14/2020] [Indexed: 12/12/2022] Open
Abstract
Herpes simplex virus-1 (HSV-1) establishes a latent infection in neurons and periodically reactivates to cause disease. The stimuli that trigger HSV-1 reactivation have not been fully elucidated. We demonstrate HSV-1 reactivation from latently infected mouse neurons induced by forskolin requires neuronal excitation. Stimuli that directly induce neurons to become hyperexcitable also induced HSV-1 reactivation. Forskolin-induced reactivation was dependent on the neuronal pathway of DLK/JNK activation and included an initial wave of viral gene expression that was independent of histone demethylase activity and linked to histone phosphorylation. IL-1β is released under conditions of stress, fever and UV exposure of the epidermis; all known triggers of clinical HSV reactivation. We found that IL-1β induced histone phosphorylation and increased the excitation in sympathetic neurons. Importantly, IL-1β triggered HSV-1 reactivation, which was dependent on DLK and neuronal excitability. Thus, HSV-1 co-opts an innate immune pathway resulting from IL-1 stimulation of neurons to induce reactivation.
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Affiliation(s)
- Sean R Cuddy
- Department of Microbiology, Immunology and Cancer Biology, University of VirginiaCharlottesvilleUnited States
- Neuroscience Graduate Program, University of VirginiaCharlottesvilleUnited States
| | - Austin R Schinlever
- Department of Microbiology, Immunology and Cancer Biology, University of VirginiaCharlottesvilleUnited States
| | - Sara Dochnal
- Department of Microbiology, Immunology and Cancer Biology, University of VirginiaCharlottesvilleUnited States
| | - Philip V Seegren
- Department of Pharmacology, University of VirginiaCharlottesvilleUnited States
| | - Jon Suzich
- Department of Microbiology, Immunology and Cancer Biology, University of VirginiaCharlottesvilleUnited States
| | - Parijat Kundu
- Department of Microbiology, Immunology and Cancer Biology, University of VirginiaCharlottesvilleUnited States
| | - Taylor K Downs
- Department of Pharmacology, University of VirginiaCharlottesvilleUnited States
| | - Mina Farah
- Department of Microbiology, Immunology and Cancer Biology, University of VirginiaCharlottesvilleUnited States
| | - Bimal N Desai
- Department of Pharmacology, University of VirginiaCharlottesvilleUnited States
| | - Chris Boutell
- MRC-University of Glasgow Centre for Virus Research (CVR), Garscube CampusGlasgowUnited Kingdom
| | - Anna R Cliffe
- Department of Microbiology, Immunology and Cancer Biology, University of VirginiaCharlottesvilleUnited States
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Parekh SV, Paniccia JE, Lebonville CL, Lysle DT. Dorsal hippocampal interleukin-1 signaling mediates heroin withdrawal-enhanced fear learning. Psychopharmacology (Berl) 2020; 237:3653-3664. [PMID: 32860071 PMCID: PMC7686097 DOI: 10.1007/s00213-020-05645-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 08/17/2020] [Indexed: 12/13/2022]
Abstract
Converging evidence suggests opioid abuse can increase the incidence and severity of post-traumatic stress disorder (PTSD) in clinical populations. Interestingly, opioid withdrawal alone can produce symptoms similar to those of PTSD. Despite this association, the neural mechanisms underlying the relationship of opioid abuse, withdrawal, and PTSD is poorly understood. Our laboratory has investigated the neurobiological underpinnings of stress-enhanced fear learning (SEFL), an animal model of PTSD-like symptoms. We have previously shown that, in SEFL, a severe footshock induces an increase in dorsal hippocampal (DH) interleukin-1β (IL-1β), and subsequent fear learning is blocked by DH IL-1 receptor antagonism (IL-1RA). Given that opioids and stress engage similar neuroimmune mechanisms, the present experiments investigate whether the same mechanisms drive heroin withdrawal to induce a PTSD-like phenotype. First, we tested the effect of a chronic escalating heroin dose and withdrawal regimen on fear learning and found it produces enhanced future fear learning. Heroin withdrawal also induces a time-dependent, region-specific increase in IL-1β and glial fibrillary acidic protein (GFAP) immunoreactivity within the dentate gyrus of the DH. IL-1β was significantly colocalized with GFAP, indicating astrocytes may be involved in increased IL-1β. Moreover, intra-DH infusions of IL-1RA 0, 24, and 48 h into heroin withdrawal prevents the development of enhanced fear learning but does not alter withdrawal-induced weight loss. Collectively, our data suggests heroin withdrawal is sufficient to produce enhanced fear learning, astrocytes may play a role in heroin withdrawal-induced IL-1β, and DH IL-1 signaling during withdrawal mediates the development of heroin withdrawal-enhanced fear learning.
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Affiliation(s)
- Shveta V. Parekh
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, CB#3270, Chapel Hill, NC 27599-3270 USA
| | - Jacqueline E. Paniccia
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, CB#3270, Chapel Hill, NC 27599-3270 USA
| | - Christina L. Lebonville
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, CB#3270, Chapel Hill, NC 27599-3270 USA
| | - Donald T. Lysle
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, CB#3270, Chapel Hill, NC 27599-3270 USA,Corresponding Author: , Telephone: +1-919-962-3088, Fax: +1-919-962-2537
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Association of the TLR4 gene with depressive symptoms and antidepressant efficacy in major depressive disorder. Neurosci Lett 2020; 736:135292. [PMID: 32763359 DOI: 10.1016/j.neulet.2020.135292] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 07/23/2020] [Accepted: 08/03/2020] [Indexed: 11/23/2022]
Abstract
At present, the etiology and pathogenesis of major depressive disorder(MDD) are still unclear. Some studies have shown that toll-like receptor 4 may play an important role in MDD. However, little is currently known about the association between TLR4 single gene polymorphisms (SNPs) and depressive symptoms and antidepressant efficacy.The aim of this study is to analyze whether TLR4 SNPs are associated with depressive symptoms and antidepressant efficacy. The study consisted of 438 patients with first-episode depression. We analyzed three TLR4 SNPs (rs1927911, rs11536889, and rs7873784) and obtained the baseline and 6-week scores using the 17-item Hamilton Depression Rating Scale (HAMD17) and its five-factor model. Allelic and genotypic association tests between TLR4 SNPs and HAMD17 total and cluster scores were performed with UNPHASED, while chi-square tests to analyze the association between TLR4 SNPs and response to antidepressants were performed with SPSS. Patients with the rs1927911-GG genotype exhibited higher scores of anxiety (physical symptoms) and anxiety (somatic). Patients with rs1927911-G also exhibited higher anxiety (physical symptoms) and anxiety (somatic) scores. Patients with rs11536889-GG had significantly lower suicide scores and higher psychomotor retardation scores. Patients with rs11536889-G also had significantly lower suicide scores and higher psychomotor retardation scores. Patients with rs7873784-G had higher anxiety (physical symptoms) and anxiety (psychological) scores. There was no significant difference between antidepressant efficacy and TLR4 gene polymorphisms. These findings provide evidence that TLR4 plays an important role in anxiety, suicide, and other symptoms in patients with MDD. No relationship was found between TLR4 gene polymorphisms and antidepressant efficacy in this study. Further research is needed on gene polymorphisms and the expression of TLR4 in patients with MDD.
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Dong Y, Li S, Lu Y, Li X, Liao Y, Peng Z, Li Y, Hou L, Yuan Z, Cheng J. Stress-induced NLRP3 inflammasome activation negatively regulates fear memory in mice. J Neuroinflammation 2020; 17:205. [PMID: 32635937 PMCID: PMC7341659 DOI: 10.1186/s12974-020-01842-0] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 05/14/2020] [Indexed: 02/12/2023] Open
Abstract
BACKGROUND Persistent inflammation dysregulation and cognitive decline have been associated with several trauma- and stress-related disorders such as posttraumatic stress disorder (PTSD) and anxiety disorder. Despite the abundant discoveries of neuroinflammation in such disorders, the underlying mechanisms still remain unclear. METHOD Wild-type and Nlrp3-/- mice were exposed to the electric foot shocks in the contextual fear memory paradigm. Three hours after the electric foot shocks, activation of the NLRP3 inflammasome was investigated through immunoblotting and ELISA. Microglia were isolated and analyzed by quantitative real-time PCR. Hippocampal tissues were collected 3 h and 72 h after the electric foot shocks and subjected to RNA sequencing. MCC950 was administrated to mice via intraperitoneal (i.p.) injection. Interleukin-1 receptor antagonist (IL-ra) and interleukin-1β (IL-1β) were delivered via intracerebroventricular (i.c.v.) infusion. Contextual fear responses of mice were tested on 4 consecutive days (test days 1-4) starting at 48 h after the electric foot shocks. Anxiety-like behaviors were examined by elevated plus maze and open-field test. RESULTS We demonstrated that, in the contextual fear memory paradigm, the NLRP3 inflammasome was activated 3 h after electric foot shocks. We also found an upregulation in toll-like receptor and RIG-I-like receptor signaling, and a decrease in postsynaptic density (PSD) related proteins, such as PSD95 and Shank proteins, in the hippocampus 72 h after the electric foot shocks, indicating an association between neuroinflammation and PSD protein loss after stress encounter. Meanwhile, Nlrp3 knockout could significantly prevent both neuroinflammation and loss of PSD-related proteins, suggesting a possible protective role of NLRP3 deletion during this process. For further studies, we demonstrated that both genetic knockout and pharmaceutical inhibition of the NLRP3 inflammasome remarkably enhanced the extinction of contextual fear memory and attenuated anxiety-like behavior caused by electric foot shocks. Moreover, cytokine IL-1β administration inhibited the extinction of contextual fear memory. Meanwhile, IL-1ra significantly enhanced the extinction of contextual fear memory and attenuated anxiety-like behavior. CONCLUSION Taken together, our data revealed the pivotal role of NLRP3 inflammasome activation in the regulation of fear memory and the development of PTSD and anxiety disorder, providing a novel target for the clinical treatment of such disorders.
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Affiliation(s)
- Yuan Dong
- Department of Biochemistry, Medical College, Qingdao University, Qingdao, 266071, Shandong, China
- The Brain Science Center, Beijing Institute of Basic Medical Sciences, No. 27 Taiping Road, Haidian District, Beijing, 100850, China
| | - Shuoshuo Li
- The State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
- The College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yiming Lu
- Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Xiaoheng Li
- The Brain Science Center, Beijing Institute of Basic Medical Sciences, No. 27 Taiping Road, Haidian District, Beijing, 100850, China
| | - Yajin Liao
- Center on Translational Neuroscience, College of Life & Environmental Science, Minzu University of China, Beijing, 100081, China
| | - Zhixin Peng
- School of Medicine, University of South China, Hengyang, Hunan, China
| | - Yunfeng Li
- Department of New Drug Evaluation, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Lin Hou
- Department of Biochemistry, Medical College, Qingdao University, Qingdao, 266071, Shandong, China.
| | - Zengqiang Yuan
- The Brain Science Center, Beijing Institute of Basic Medical Sciences, No. 27 Taiping Road, Haidian District, Beijing, 100850, China.
| | - Jinbo Cheng
- The Brain Science Center, Beijing Institute of Basic Medical Sciences, No. 27 Taiping Road, Haidian District, Beijing, 100850, China.
- Center on Translational Neuroscience, College of Life & Environmental Science, Minzu University of China, Beijing, 100081, China.
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21
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Watt G, Chesworth R, Przybyla M, Ittner A, Garner B, Ittner LM, Karl T. Chronic cannabidiol (CBD) treatment did not exhibit beneficial effects in 4-month-old male TAU58/2 transgenic mice. Pharmacol Biochem Behav 2020; 196:172970. [PMID: 32562718 DOI: 10.1016/j.pbb.2020.172970] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 05/27/2020] [Accepted: 06/16/2020] [Indexed: 10/24/2022]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease characterized by progressive cognitive decline, motor impairments, and accumulation of hallmark proteins, amyloid-beta (Aβ) and tau. Traditionally, transgenic mouse models for AD have focused on Aβ pathology, however, recently a number of tauopathy transgenic models have been developed, including the TAU58/2 transgenic model. Cannabidiol (CBD), a non-toxic constituent of the Cannabis sativa plant, has been shown to prevent and reverse cognitive deficits in Aβ transgenic mouse models of AD. Importantly, the therapeutic properties of CBD on the behavioural phenotype of tauopathy mouse models have not been investigated. We assessed the impact of chronic CBD treatment (i.e. 50 mg/kg CBD i.p. administration starting 3 weeks prior to behavioural assessments) on disease-relevant behaviours of 4-month-old TAU58/2 transgenic males in paradigms for anxiety, motor functions, and cognition. TAU58/2 transgenic males demonstrated reduced body weight, anxiety and impaired motor functions. Furthermore, they demonstrated increased freezing in fear conditioning compared to wild type-like animals. Interestingly, both sociability and social recognition memory were intact in AD transgenic mice. Chronic CBD treatment did not affect behavioural changes in transgenic males. In summary, 4-month-old TAU58/2 transgenic males exhibited no deficits in social recognition memory, suggesting that motor deficits and changes in anxiety at this age do not impact on social domains. The moderate increase in fear-associated memory needs further investigation but could be related to differences in fear extinction. Future investigations will need to clarify CBD's therapeutic potential for reversing motor deficits in TAU58/2 transgenic mice by considering alternative CBD treatment designs including changed CBD dosing.
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Affiliation(s)
- Georgia Watt
- School of Medicine, Western Sydney University, Campbelltown, Australia
| | - Rose Chesworth
- School of Medicine, Western Sydney University, Campbelltown, Australia
| | - Magdalena Przybyla
- Dementia Research Centre, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, Australia
| | - Arne Ittner
- Dementia Research Centre, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, Australia
| | - Brett Garner
- School of Chemistry and Molecular Bioscience, Illawarra Health and Medical Research Institute, University of Wollongong, Australia
| | - Lars M Ittner
- Dementia Research Centre, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, Australia
| | - Tim Karl
- School of Medicine, Western Sydney University, Campbelltown, Australia; Neuroscience Research Australia (NeuRA), Randwick, Australia.
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22
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Takizawa T, Qin T, Lopes de Morais A, Sugimoto K, Chung JY, Morsett L, Mulder I, Fischer P, Suzuki T, Anzabi M, Böhm M, Qu WS, Yanagisawa T, Hickman S, Khoury JE, Whalen MJ, Harriott AM, Chung DY, Ayata C. Non-invasively triggered spreading depolarizations induce a rapid pro-inflammatory response in cerebral cortex. J Cereb Blood Flow Metab 2020; 40:1117-1131. [PMID: 31242047 PMCID: PMC7181092 DOI: 10.1177/0271678x19859381] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cortical spreading depolarization (CSD) induces pro-inflammatory gene expression in brain tissue. However, previous studies assessing the relationship between CSD and inflammation have used invasive methods that directly trigger inflammation. To eliminate the injury confounder, we induced CSDs non-invasively through intact skull using optogenetics in Thy1-channelrhodopsin-2 transgenic mice. We corroborated our findings by minimally invasive KCl-induced CSDs through thinned skull. Six CSDs induced over 1 h dramatically increased cortical interleukin-1β (IL-1β), chemokine (C-C motif) ligand 2 (CCL2), and tumor necrosis factor-α (TNF-α) mRNA expression peaking around 1, 2 and 4 h, respectively. Interleukin-6 (IL-6) and intercellular adhesion molecule-1 (ICAM-1) were only modestly elevated. A single CSD also increased IL-1β, CCL2, and TNF-α, and revealed an ultra-early IL-1β response within 10 min. The response was blunted in IL-1 receptor-1 knockout mice, implicating IL-1β as an upstream mediator, and suppressed by dexamethasone, but not ibuprofen. CSD did not alter systemic inflammatory indices. In summary, this is the first report of pro-inflammatory gene expression after non-invasively induced CSDs. Altogether, our data provide novel insights into the role of CSD-induced neuroinflammation in migraine headache pathogenesis and have implications for the inflammatory processes in acute brain injury where numerous CSDs occur for days.
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Affiliation(s)
- Tsubasa Takizawa
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Tao Qin
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Andreia Lopes de Morais
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Kazutaka Sugimoto
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Joon Yong Chung
- Neuroscience Center, Massachusetts
General Hospital, Harvard Medical School, Charlestown, MA, USA
- Department of Pediatrics, Massachusetts
General Hospital, Harvard Medical School, Boston, MA, USA
| | - Liza Morsett
- Center for Immunology & Inflammatory
Diseases, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA,
USA
| | - Inge Mulder
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Paul Fischer
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
| | - Tomoaki Suzuki
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Maryam Anzabi
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Maximilian Böhm
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
| | - Wen-sheng Qu
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Takeshi Yanagisawa
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
| | - Suzanne Hickman
- Center for Immunology & Inflammatory
Diseases, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA,
USA
| | - Joseph El Khoury
- Center for Immunology & Inflammatory
Diseases, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA,
USA
| | - Michael J Whalen
- Neuroscience Center, Massachusetts
General Hospital, Harvard Medical School, Charlestown, MA, USA
- Department of Pediatrics, Massachusetts
General Hospital, Harvard Medical School, Boston, MA, USA
| | - Andrea M Harriott
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
- Department of Neurology, Massachusetts
General Hospital, Harvard Medical School, Boston, MA, USA
| | - David Y Chung
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
- Department of Neurology, Massachusetts
General Hospital, Harvard Medical School, Boston, MA, USA
| | - Cenk Ayata
- Neurovascular Research Laboratory,
Department of Radiology, Massachusetts General Hospital, Harvard Medical School,
Charlestown, MA, USA
- Department of Neurology, Massachusetts
General Hospital, Harvard Medical School, Boston, MA, USA
- Cenk Ayata, Massachusetts General Hospital,
149 13th Street, 6403, Charlestown, MA 02129, USA.
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23
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Ham HJ, Lee YS, Yun J, Han SB, Son DJ, Hong JT. Anxiolytic-like effects of the ethanol extract of Magnolia obovata leaves through its effects on GABA-benzodiazepine receptor and neuroinflammation. Behav Brain Res 2020; 383:112518. [DOI: 10.1016/j.bbr.2020.112518] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 01/11/2020] [Accepted: 01/28/2020] [Indexed: 10/25/2022]
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24
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Ziegler C, Grundner-Culemann F, Schiele MA, Schlosser P, Kollert L, Mahr M, Gajewska A, Lesch KP, Deckert J, Köttgen A, Domschke K. The DNA methylome in panic disorder: a case-control and longitudinal psychotherapy-epigenetic study. Transl Psychiatry 2019; 9:314. [PMID: 31754096 PMCID: PMC6872551 DOI: 10.1038/s41398-019-0648-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 09/23/2019] [Accepted: 11/01/2019] [Indexed: 12/13/2022] Open
Abstract
In panic disorder (PD), epigenetic mechanisms such as DNA methylation of candidate genes have been suggested to play a key role at the intersection of genetic and environmental factors. On an epigenome-wide level, however, only two studies in PD patients have been published so far, while to date no study has intra-individually analyzed dynamic epigenetic correlates of treatment-response in PD on a DNA methylome level. Here, an epigenome-wide association study (EWAS) was performed in a sample of 57 PD patients and matched healthy controls using the Illumina MethylationEPIC BeadChip, along with a longitudinal approach assessing changes on the DNA methylome level corresponding to clinical effects of a manualized six-week cognitive-behavioral therapy (CBT) in PD. While no epigenome-wide significant hits could be discerned, top suggestive evidence was observed for decreased methylation in PD at cg19917903 in the Cilia and Flagella Associated Protein 46 (CFAP46) gene, and for an increase in methylation after CBT at cg06943668 in the Interleukin 1 Receptor Type 1 (IL1R1) gene in treatment responders to CBT. Additional exploratory analyses based on biological validity and a combined statistical/biological ranking point to further new potential PD risk genes such as the CCL4L1 or GMNN genes, and suggest dynamic methylation of, e.g., the ZFP622 and the SLC43A2 genes along with response to CBT. These EWAS and first longitudinal epigenome-wide pilot data in PD add to the emerging candidate gene-based body of evidence for epigenetic mechanisms to be involved in PD pathogenesis and to possibly constitute dynamic biological correlates of therapeutic interventions.
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Affiliation(s)
- Christiane Ziegler
- Department of Psychiatry and Psychotherapy, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Franziska Grundner-Culemann
- 0000 0000 9428 7911grid.7708.8Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center – University of Freiburg, Freiburg, Germany
| | - Miriam A. Schiele
- Department of Psychiatry and Psychotherapy, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Pascal Schlosser
- 0000 0000 9428 7911grid.7708.8Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center – University of Freiburg, Freiburg, Germany
| | - Leonie Kollert
- 0000 0001 1958 8658grid.8379.5Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Würzburg, Germany
| | - Marina Mahr
- 0000 0001 1958 8658grid.8379.5Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Würzburg, Germany
| | - Agnieszka Gajewska
- 0000 0001 1958 8658grid.8379.5Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Würzburg, Germany
| | - Klaus-Peter Lesch
- 0000 0001 1958 8658grid.8379.5Division of Molecular Psychiatry, Center of Mental Health, University of Würzburg, Würzburg, Germany ,0000 0001 2288 8774grid.448878.fLaboratory of Psychiatric Neurobiology, Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University, Moscow, Russia ,0000 0001 0481 6099grid.5012.6Department of Neuroscience, School for Mental Health and Neuroscience (MHeNS), Maastricht University, Maastricht, The Netherlands
| | - Jürgen Deckert
- 0000 0001 1958 8658grid.8379.5Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Würzburg, Germany
| | - Anna Köttgen
- 0000 0000 9428 7911grid.7708.8Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center – University of Freiburg, Freiburg, Germany
| | - Katharina Domschke
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany. .,Center for Basics in NeuroModulation, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
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25
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Takahashi K, Nakagawasai O, Nemoto W, Odaira T, Sakuma W, Onogi H, Nishijima H, Furihata R, Nemoto Y, Iwasa H, Tan-No K, Tadano T. Effect of Enterococcus faecalis 2001 on colitis and depressive-like behavior in dextran sulfate sodium-treated mice: involvement of the brain-gut axis. J Neuroinflammation 2019; 16:201. [PMID: 31672153 PMCID: PMC6822456 DOI: 10.1186/s12974-019-1580-7] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 09/10/2019] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Patients with inflammatory bowel disease (IBD), including those with ulcerative colitis and Crohn's disease, have higher rates of psychiatric disorders, such as depression and anxiety; however, the mechanism of psychiatric disorder development remains unclear. Mice with IBD induced by dextran sulfate sodium (DSS) in drinking water exhibit depressive-like behavior. The presence of Lactobacillus in the gut microbiota is associated with major depressive disorder. Therefore, we examined whether Enterococcus faecalis 2001 (EF-2001), a biogenic lactic acid bacterium, prevents DSS-induced depressive-like behavior and changes in peripheral symptoms. METHODS We evaluated colon inflammation and used the tail suspension test to examine whether EF-2001 prevents IBD-like symptoms and depressive-like behavior in DSS-treated mice. The protein expression of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), X-linked inhibitor of apoptosis protein (XIAP), and cleaved caspase-3 in the rectum and hippocampus was assessed by western blotting. Hippocampal neurogenesis, altered nuclear factor-kappa B (NFκB) p65 morphometry, and the localization of activated NFκB p65 and XIAP were examined by immunohistochemistry. RESULTS Treatment with 1.5% DSS for 7 days induced IBD-like pathology and depressive-like behavior, increased TNF-α and IL-6 expression in the rectum and hippocampus, activated caspase-3 in the hippocampus, and decreased hippocampal neurogenesis. Interestingly, these changes were reversed by 20-day administration of EF-2001. Further, EF-2001 administration enhanced NFκB p65 expression in the microglial cells and XIAP expression in the hippocampus of DSS-treated mice. CONCLUSION EF-2001 prevented IBD-like pathology and depressive-like behavior via decreased rectal and hippocampal inflammatory cytokines and facilitated the NFκB p65/XIAP pathway in the hippocampus. Our findings suggest a close relationship between IBD and depression.
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Affiliation(s)
- Kohei Takahashi
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, 981-8558, Japan.,Department of Pharmacology, School of Pharmacy, International University of Health and Welfare, 2600-1 Kitakanemaru, Ohtawara, Tochigi, 324-8501, Japan
| | - Osamu Nakagawasai
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, 981-8558, Japan.
| | - Wataru Nemoto
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, 981-8558, Japan
| | - Takayo Odaira
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, 981-8558, Japan
| | - Wakana Sakuma
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, 981-8558, Japan
| | - Hiroshi Onogi
- Faculty of Health Science, Tohoku Fukushi University, 1-8-1 Kunimi, Aoba-ku, Sendai, Miyagi, 981-8522, Japan
| | - Hiroaki Nishijima
- Department of Healthcare and Regulatory Sciences, School of Pharmacy, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan
| | - Ryuji Furihata
- Department of Psychiatry, Nihon University School of Medicine, 30-1 Oyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Yukio Nemoto
- Kampo and Herbal Medicine Research Center, Yokohama University of Pharmacy, 601 Matanocho, Totsuka-ku, Yokohama City, Kanagawa, 245-0066, Japan
| | - Hiroyuki Iwasa
- Nihon Berm Co, Ltd, 2-14-3 Nagatachou, Chiyoda-ku, Tokyo, 100-0014, Japan
| | - Koichi Tan-No
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, 981-8558, Japan
| | - Takeshi Tadano
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, 981-8558, Japan.,Complementary and Alternative Medicine Clinical Research and Development, Graduate School of Medicine Sciences, Kanazawa University, Kanazawa, 920-8640, Japan
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26
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Gut microbiota depletion from early adolescence alters adult immunological and neurobehavioral responses in a mouse model of multiple sclerosis. Neuropharmacology 2019; 157:107685. [DOI: 10.1016/j.neuropharm.2019.107685] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 06/21/2019] [Accepted: 06/24/2019] [Indexed: 02/06/2023]
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27
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Tsyglakova M, McDaniel D, Hodes GE. Immune mechanisms of stress susceptibility and resilience: Lessons from animal models. Front Neuroendocrinol 2019; 54:100771. [PMID: 31325456 DOI: 10.1016/j.yfrne.2019.100771] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/17/2019] [Accepted: 07/09/2019] [Indexed: 12/12/2022]
Abstract
Stress has an impact on the brain and the body. A growing literature demonstrates that feedback between the peripheral immune system and the brain contributes to individual differences in the behavioral response to stress. Here we examine preclinical literature to demonstrate a holistic vision of risk and resilience to stress. We identify a variety of cellular, cytokine and molecular mechanisms in adult animals that act in concert to produce a stress susceptible individual response. We discuss how cross talk between immune cells in the brain and in the periphery act together to increase permeability across the blood brain barrier or block it, resulting in susceptible or stress resilient phenotype. These preclinical studies have importance for understanding how individual differences in the immune response to stress may be contributing to mood related disorders such as depression, anxiety and posttraumatic stress disorders.
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Affiliation(s)
- Mariya Tsyglakova
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA; Graduate Program in Translational Biology, Medicine and Health, Virginia Tech, Blacksburg, VA, USA
| | - Dylan McDaniel
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Georgia E Hodes
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA.
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28
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NMDA receptor in the hippocampus alters neurobehavioral phenotypes through inflammatory cytokines in rats with sporadic Alzheimer-like disease. Physiol Behav 2019; 202:52-61. [DOI: 10.1016/j.physbeh.2019.01.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 01/06/2019] [Accepted: 01/09/2019] [Indexed: 12/28/2022]
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29
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RaiseAbdullahi P, Vafaei AA, Ghanbari A, Dadkhah M, Rashidy-Pour A. Time-dependent protective effects of morphine against behavioral and morphological deficits in an animal model of posttraumatic stress disorder. Behav Brain Res 2019; 364:19-28. [PMID: 30753875 DOI: 10.1016/j.bbr.2019.01.058] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 01/28/2019] [Accepted: 01/31/2019] [Indexed: 12/21/2022]
Abstract
Post-traumatic stress disorder (PTSD) arises after an individual has experienced a major traumatic event. Recent evidence suggests that acute morphine treatment may serve as a strategy to reduce PTSD development. In the present study, we investigated the time-dependent effects of morphine on behavioral and morphological deficits induced by the single prolonged stress (SPS), an experimental model of PTSD, in adult male rats. The rats were exposed to SPS (restraint for 2 h, forced swimming for 20 min, and ether anesthesia), and kept undistributed for 11 days. Morphine was injected immediately, 6, 12 and 24 h after SPS. Anxiety profile was evaluated using the elevated plus maze11 days after SPS. Then, animals were conditioned in a fear conditioning task and extinction training was performed on days 1, 2, 3, 4 and 11 after fear conditioning which followed by morphological assessments in the medial prefrontal cortex (mPFC). SPS rats showed increased anxiety levels and impaired contextual fear extinction retention. SPS also decreased dendritic length in the infra-limbic (IL) and dendritic spines in the IL and pre-limbic (PL) regions of the mPFC. Conversely, morphine treatment 6, 12 and 24 h but not immediately after SPS significantly improved anxiety-like behaviors, fear extinction, increased dendritic length, and spines in the mPFC. Morphine-induced much stronger response when injected 24 h after the SPS, and this effect was blocked by naloxone. Our findings show that morphine within a restricted time window selectively reversed the SPS-induced deficits in anxiety profile, fear extinction, and dendritic morphology in the mPFC. Finally, these findings suggest that the time point of morphine injection following a traumatic event is an important determinant of the full therapeutic effect of morphine against PTSD.
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Affiliation(s)
- Payman RaiseAbdullahi
- Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran; Laboratoryof Learning and Memory, Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran
| | - Abbas Ali Vafaei
- Laboratoryof Learning and Memory, Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran; Department of Physiology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Ali Ghanbari
- Laboratoryof Learning and Memory, Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran
| | - Masoomeh Dadkhah
- Research Centers Development and Coordination Office, Deputy of Research& Technology, Ardabil University of Medical Sciences Ardabil, Iran
| | - Ali Rashidy-Pour
- Laboratoryof Learning and Memory, Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran; Department of Physiology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran.
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Richter-Levin G, Stork O, Schmidt MV. Animal models of PTSD: a challenge to be met. Mol Psychiatry 2019; 24:1135-1156. [PMID: 30816289 PMCID: PMC6756084 DOI: 10.1038/s41380-018-0272-5] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 08/13/2018] [Accepted: 09/11/2018] [Indexed: 02/07/2023]
Abstract
Recent years have seen increased interest in psychopathologies related to trauma exposure. Specifically, there has been a growing awareness to posttraumatic stress disorder (PTSD) in part due to terrorism, climate change-associated natural disasters, the global refugee crisis, and increased violence in overpopulated urban areas. However, notwithstanding the increased awareness to the disorder, the increasing number of patients, and the devastating impact on the lives of patients and their families, the efficacy of available treatments remains limited and highly unsatisfactory. A major scientific effort is therefore devoted to unravel the neural mechanisms underlying PTSD with the aim of paving the way to developing novel or improved treatment approaches and drugs to treat PTSD. One of the major scientific tools used to gain insight into understanding physiological and neuronal mechanisms underlying diseases and for treatment development is the use of animal models of human diseases. While much progress has been made using these models in understanding mechanisms of conditioned fear and fear memory, the gained knowledge has not yet led to better treatment options for PTSD patients. This poor translational outcome has already led some scientists and pharmaceutical companies, who do not in general hold opinions against animal models, to propose that those models should be abandoned. Here, we critically examine aspects of animal models of PTSD that may have contributed to the relative lack of translatability, including the focus on the exposure to trauma, overlooking individual and sex differences, and the contribution of risk factors. Based on findings from recent years, we propose research-based modifications that we believe are required in order to overcome some of the shortcomings of previous practice. These modifications include the usage of animal models of PTSD which incorporate risk factors and of the behavioral profiling analysis of individuals in a sample. These modifications are aimed to address factors such as individual predisposition and resilience, thus taking into consideration the fact that only a fraction of individuals exposed to trauma develop PTSD. We suggest that with an appropriate shift of practice, animal models are not only a valuable tool to enhance our understanding of fear and memory processes, but could serve as effective platforms for understanding PTSD, for PTSD drug development and drug testing.
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Affiliation(s)
- Gal Richter-Levin
- Sagol Department of Neurobiology, University of Haifa, Haifa, Israel. .,The Integrated Brain and Behavior Research Center (IBBR), University of Haifa, Haifa, Israel. .,Psychology Department, University of Haifa, Haifa, Israel.
| | - Oliver Stork
- 0000 0001 1018 4307grid.5807.aDepartment of Genetics & Molecular Neurobiology, Institute of Biology, Otto-von-Guericke-University Magdeburg, Leipziger Str. 44, 39120 Magdeburg, Germany ,grid.452320.2Center for Behavioral Brain Sciences, Universitätsplatz 2, 39106 Magdeburg, Germany
| | - Mathias V. Schmidt
- 0000 0000 9497 5095grid.419548.5Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
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Lormant F, Cornilleau F, Constantin P, Meurisse M, Lansade L, Leterrier C, Lévy F, Calandreau L. A trait for a high emotionality favors spatial memory to the detriment of cue-based memory in Japanese quail. Behav Processes 2018; 157:256-262. [DOI: 10.1016/j.beproc.2018.10.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 09/10/2018] [Accepted: 10/17/2018] [Indexed: 01/22/2023]
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Coín-Aragüez L, Pavón FJ, Contreras A, Gentile AM, Lhamyani S, De Diego-Otero Y, Casado Y, Oliva Olivera W, Olveira G, Tinahones FJ, Pérez Costillas L, El Bekay R. Inflammatory gene expression in adipose tissue according to diagnosis of anxiety and mood disorders in obese and non-obese subjects. Sci Rep 2018; 8:17518. [PMID: 30504920 PMCID: PMC6269530 DOI: 10.1038/s41598-018-35759-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 11/06/2018] [Indexed: 12/28/2022] Open
Abstract
Psychiatric disorders have been widely reported to be associated with systemic inflammation upregulation and adiposity. However, there are no data that link adipose tissue inflammation to these mental disorders. The analysis of adipokines and inflammation-related markers in adipose tissue could help to elucidate the potential association between obesity and mental health. An observational study was conducted in samples of patients consisting of non-obese and obese subjects, who were diagnosed with anxiety or mood disorders. Gene expression of adiponectin (ADIPOQ), leptin (LEP) and inflammatory markers (IL6, IL1B, TNF, CCL2, CSF3, ITGAM, and PLAUR) were determined in visceral (VAT) and subcutaneous (SAT) adipose tissues. Our results showed that the gene expression of adipokines and inflammation-related markers was higher in the VAT and SAT of obese subjects compared with non-obese subjects. Regarding mental disorders, all the inflammatory genes in the VAT were significantly higher in non-obese subjects with anxiety or mood disorders than in subjects without mental disorders, except for TNF and ITGAM. Additionally, IL6 expression was significantly lower in SAT. In contrast, obese patients diagnosed with anxiety or mood disorders only showed significantly lower expression levels of IL1B in VAT and ADIPOQ in SAT when compared with obese subjects without mental disorders. These data suggest the potential involvement of VAT inflammation in anxiety and mood disorders, involving complex mechanisms which are strongly affected by obesity.
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Affiliation(s)
- Leticia Coín-Aragüez
- Unidad de Gestión Clínica Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Complejo Hospitalario de Málaga (Virgen de la Victoria), Universidad de Málaga, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Málaga, Spain
| | - Francisco Javier Pavón
- Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Alba Contreras
- Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Adriana-Mariel Gentile
- IBIMA, Universidad de Málaga, Facultad de Ciencias, Campus Teatinos s/n - 29071, Málaga, Spain
| | - Said Lhamyani
- IBIMA, Universidad de Málaga, Facultad de Ciencias, Campus Teatinos s/n - 29071, Málaga, Spain
| | - Yolanda De Diego-Otero
- Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Yolanda Casado
- Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Wilfredo Oliva Olivera
- Unidad de Gestión Clínica Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Complejo Hospitalario de Málaga (Virgen de la Victoria), Universidad de Málaga, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Málaga, Spain
| | - Gabriel Olveira
- UGC Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, CIBERDEM CB07/08/0019, Instituto de Salud Carlos III, Málaga, Spain
| | - Francisco J Tinahones
- Unidad de Gestión Clínica Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Complejo Hospitalario de Málaga (Virgen de la Victoria), Universidad de Málaga, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Málaga, Spain
| | - Lucía Pérez Costillas
- Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain.
| | - Rajaa El Bekay
- Unidad de Gestión Clínica Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III (ISCIII), Málaga, Spain.
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Farooq RK, Tanti A, Ainouche S, Roger S, Belzung C, Camus V. A P2X7 receptor antagonist reverses behavioural alterations, microglial activation and neuroendocrine dysregulation in an unpredictable chronic mild stress (UCMS) model of depression in mice. Psychoneuroendocrinology 2018; 97:120-130. [PMID: 30015007 DOI: 10.1016/j.psyneuen.2018.07.016] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 06/25/2018] [Accepted: 07/08/2018] [Indexed: 12/20/2022]
Abstract
A polymorphism in the P2RX7 gene that encodes for the P2X7 ionotropic ATP-gated receptor (P2X7R) protein has been shown to be associated with an increased risk for developing depressive illnesses. However, the role of P2X7R in depression is still unclear. To better understand the role of P2X7R and its subsequent impact on microglial activation, we compared the effect of the P2X7R antagonist Brilliant Blue G (BBG) with that of fluoxetine in an unpredictable chronic mild stress (UCMS) model of depression in mice. Our results indicate that BBG (50 mg/kg body weight in 0.9% NaCl, 10 ml/kg/day) successfully reversed the degradation of coat states and nest-building scores induced by exposure to UCMS, similar to the conventional antidepressant fluoxetine (15 mg/kg body weight in 0.9% NaCl, 10 ml/kg/day). BBG also reversed the UCMS-induced microglial activation in cortical and hippocampal regions and the basal nuclei of mouse brains and corrected the UCMS-induced hypothalamo-pituitary-adrenal (HPA) axis dysregulation. In contrast to fluoxetine, however, BBG treatment did not increase the density of doublecortin-positive cells in the dentate gyrus, indicating that BBG had no impact on hippocampal neurogenesis. These results suggest that P2X7R is involved in recovery from depressive-like states caused by exposure to UCMS in a mechanism that involves restoration of the HPA axis but not hippocampal neurogenesis. These results add to the evidence that P2X7R antagonist agents may have potential value in the pharmacological management of depression.
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Affiliation(s)
- Rai Khalid Farooq
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France; Inserm U1069, Tours, France.
| | - Arnaud Tanti
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France; Inserm U1069, Tours, France
| | - Samia Ainouche
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France; Inserm U1069, Tours, France
| | | | - Catherine Belzung
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France; Inserm U1069, Tours, France
| | - Vincent Camus
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France; Inserm U1069, Tours, France; CHRU de Tours, Clinique Psychiatrique Universitaire, Tours, France
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Yue N, Li B, Yang L, Han QQ, Huang HJ, Wang YL, Wang J, Yu R, Wu GC, Liu Q, Yu J. Electro-Acupuncture Alleviates Chronic Unpredictable Stress-Induced Depressive- and Anxiety-Like Behavior and Hippocampal Neuroinflammation in Rat Model of Depression. Front Mol Neurosci 2018; 11:149. [PMID: 29946236 PMCID: PMC6007169 DOI: 10.3389/fnmol.2018.00149] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 04/16/2018] [Indexed: 12/12/2022] Open
Abstract
Depression is the second leading cause of disability worldwide. The effects of clinical depression may be mediated by neuroinflammation such as activation of microglia and high levels of proinflammatory cytokines in certain brain areas. Traditional Chinese medicine techniques such as electro-acupuncture (EA) are used extensively in Asia to treat mental health disorders. However, EA has not been rigorously studied in treatment of depression. This study was designed to assess the effectiveness of EA on depressive-like behavior and explore the role of hippocampal neuroinflammation in the potential antidepressant effect of EA. In this study, we used six chronic unpredictable stressors daily in a random sequence for 10 weeks. EA were performed on “Bai-Hui” (Du-20) (+) and “Yang-Ling-Quan” (GB-34, the right side; −) acupoints by an EA apparatus (HANS Electronic Apparatus, LH202H, 2/100 Hz, 0.3 mA) for 30 min once every other day for last 4 weeks. The behavior tests including open field test and forced swimming test, which are widely used to assess depressive and anxiety-like behavior were performed on the Monday and Tuesday of the eleventh week. The results showed that 10 week of chronic unpredictable stress (CUS) caused behavioral deficits in rats and neuroinflammation in hippocampus, such as increased expression of NLRP3 inflammasome components, upregulated mRNA level of IL-1β and the protein level of IL-1β mature form (p17) and activation of microglia. Moreover, 4 weeks of EA treatment significantly attenuated behavioral deficits caused by CUS. EA’s antidepressant effect was accompanied by markedly decreased expression of certain NLRP3 inflammasome components and matured IL-1β. Meanwhile, EA treatment can significantly reverse CUS-induced increases in P2X7 receptor, Iba-1, IL-18, TNFα and IL-6 expression and decreases in GFAP expression. In conclusion, EA exhibited the antidepressant effect and alleviated the hippocampal neuroinflammation. These findings may provide insight into the role of hippocampal neuroinflammation in the antidepressant effect of EA.
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Affiliation(s)
- Na Yue
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Bing Li
- Center Laboratories, Jinshan Hospital of Fudan University, Shanghai, China
| | - Liu Yang
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Qiu-Qin Han
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Hui-Jie Huang
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Ya-Lin Wang
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jing Wang
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Rui Yu
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Gen-Cheng Wu
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Qiong Liu
- Department of Anatomy, Histology and Embryology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China.,Key Laboratory of Medical Imaging Computing and Computer Assisted Intervention of Shanghai, Shanghai, China
| | - Jin Yu
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, and Collaborative Innovation Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
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35
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Jones ME, Lebonville CL, Paniccia JE, Balentine ME, Reissner KJ, Lysle DT. Hippocampal interleukin-1 mediates stress-enhanced fear learning: A potential role for astrocyte-derived interleukin-1β. Brain Behav Immun 2018; 67:355-363. [PMID: 28963000 PMCID: PMC5696098 DOI: 10.1016/j.bbi.2017.09.016] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Revised: 09/19/2017] [Accepted: 09/25/2017] [Indexed: 12/27/2022] Open
Abstract
Post-traumatic stress disorder (PTSD) is associated with immune dysregulation. We have previously shown that severe stress exposure in a preclinical animal model of the disorder, stress-enhanced fear learning (SEFL), is associated with an increase in hippocampal interleukin-1β (IL-1β) and that blocking central IL-1 after the severe stress prevents the development of SEFL. Here, we tested whether blocking hippocampal IL-1 signaling is sufficient to prevent enhanced fear learning and identified the cellular source of stress-induced IL-1β in this region. Experiment 1 tested whether intra-dorsal hippocampal (DH) infusions of interleukin-1 receptor antagonist (IL-1RA, 1.25µg per hemisphere) 24 and 48h after stress exposure prevents the development of enhanced fear learning. Experiment 2 used triple fluorescence immunohistochemistry to examine hippocampal alterations in IL-1β, glial fibrillary acidic protein (GFAP), an astrocyte-specific marker, and ionized calcium binding adaptor molecule -1 (Iba-1), a microglial-specific marker, 48h after exposure to the severe stressor of the SEFL paradigm. Intra-DH IL-1RA prevented SEFL and stress-induced IL-1β was primarily colocalized with astrocytes in the hippocampus. Further, hippocampal GFAP immunoreactivity was not altered, whereas hippocampal Iba-1 immunoreactivity was significantly attenuated following severe stress. These data suggest that hippocampal IL-1 signaling is critical to the development of SEFL and that astrocytes are a predominant source of stress-induced IL-1β.
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Franklin TC, Wohleb ES, Zhang Y, Fogaça M, Hare B, Duman RS. Persistent Increase in Microglial RAGE Contributes to Chronic Stress-Induced Priming of Depressive-like Behavior. Biol Psychiatry 2018; 83:50-60. [PMID: 28882317 PMCID: PMC6369917 DOI: 10.1016/j.biopsych.2017.06.034] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 06/20/2017] [Accepted: 06/28/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND Chronic stress-induced inflammatory responses occur in part via danger-associated molecular pattern (DAMP) molecules, such as high mobility group box 1 protein (HMGB1), but the receptor(s) underlying DAMP signaling have not been identified. METHODS Microglia morphology and DAMP signaling in enriched rat hippocampal microglia were examined during the development and expression of chronic unpredictable stress (CUS)-induced behavioral deficits, including long-term, persistent changes after CUS. RESULTS The results show that CUS promotes significant morphological changes and causes robust upregulation of HMGB1 messenger RNA in enriched hippocampal microglia, an effect that persists for up to 6 weeks after CUS exposure. This coincides with robust and persistent upregulation of receptor for advanced glycation end products (RAGE) messenger RNA, but not toll-like receptor 4 in hippocampal microglia. CUS also increased surface expression of RAGE protein on hippocampal microglia as determined by flow cytometry and returned to basal levels 5 weeks after CUS. Importantly, exposure to short-term stress was sufficient to increase RAGE surface expression as well as anhedonic behavior, reflecting a primed state that results from a persistent increase in RAGE messenger RNA expression. Further evidence for DAMP signaling in behavioral responses is provided by evidence that HMGB1 infusion into the hippocampus was sufficient to cause anhedonic behavior and by evidence that RAGE knockout mice were resilient to stress-induced anhedonia. CONCLUSIONS Together, the results provide evidence of persistent microglial HMGB1-RAGE expression that increases vulnerability to depressive-like behaviors long after chronic stress exposure.
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Li MX, Zheng HL, Luo Y, He JG, Wang W, Han J, Zhang L, Wang X, Ni L, Zhou HY, Hu ZL, Wu PF, Jin Y, Long LH, Zhang H, Hu G, Chen JG, Wang F. Gene deficiency and pharmacological inhibition of caspase-1 confers resilience to chronic social defeat stress via regulating the stability of surface AMPARs. Mol Psychiatry 2018; 23:556-568. [PMID: 28416811 PMCID: PMC5822452 DOI: 10.1038/mp.2017.76] [Citation(s) in RCA: 116] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 02/23/2017] [Accepted: 02/24/2017] [Indexed: 12/11/2022]
Abstract
Both inflammatory processes and glutamatergic systems have been implicated in the pathophysiology of mood-related disorders. However, the role of caspase-1, a classic inflammatory caspase, in behavioral responses to chronic stress remains largely unknown. To address this issue, we examined the effects and underlying mechanisms of caspase-1 on preclinical murine models of depression. We found that loss of caspase-1 expression in Caspase-1-/- knockout mice alleviated chronic stress-induced depression-like behaviors, whereas overexpression of caspase-1 in the hippocampus of wild-type (WT) mice was sufficient to induce depression- and anxiety-like behaviors. Furthermore, chronic stress reduced glutamatergic neurotransmission and decreased surface expression of glutamate receptors in hippocampal pyramidal neurons of WT mice, but not Caspase-1-/- mice. Importantly, pharmacological inhibition of caspase-1-interleukin-1β (IL-1β) signaling pathway prevented the depression-like behaviors and the decrease in surface expression of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors (AMPARs) in stressed WT mice. Finally, the effects of chronic stress on both depression- and anxiety-like behaviors can be mimicked by exogenous intracerebroventricular (i.c.v.) administration of IL-1β in both WT and Caspase-1-/- mice. Taken together, our findings demonstrate that an increase in the caspase-1/IL-1β axis facilitates AMPAR internalization in the hippocampus, which dysregulates glutamatergic synaptic transmission, eventually resulting in depression-like behaviors. These results may represent an endophenotype for chronic stress-induced depression.
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Affiliation(s)
- M-X Li
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - H-L Zheng
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Y Luo
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - J-G He
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - W Wang
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - J Han
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - L Zhang
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - X Wang
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - L Ni
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - H-Y Zhou
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Z-L Hu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, China
| | - P-F Wu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, China
| | - Y Jin
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China
| | - L-H Long
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, China
| | - H Zhang
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - G Hu
- Department of Pharmacology, Nanjing University of Chinese Medicine, Nanjing, China
| | - J-G Chen
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, China,The Collaborative-Innovation Center for Brain Science (HUST), Wuhan, China,The Key Laboratory of Neurological Diseases (HUST), Ministry of Education of China, Wuhan, China,Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China. E-mail: or
| | - F Wang
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China,Laboratory of Neuropsychiatric Diseases, The Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, China,The Collaborative-Innovation Center for Brain Science (HUST), Wuhan, China,The Key Laboratory of Neurological Diseases (HUST), Ministry of Education of China, Wuhan, China,Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China. E-mail: or
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Ferrara-Bowens TM, Chandler JK, Guignet MA, Irwin JF, Laitipaya K, Palmer DD, Shumway LJ, Tucker LB, McCabe JT, Wegner MD, Johnson EA. Neuropathological and behavioral sequelae in IL-1R1 and IL-1Ra gene knockout mice after soman (GD) exposure. Neurotoxicology 2017; 63:43-56. [DOI: 10.1016/j.neuro.2017.08.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 08/28/2017] [Accepted: 08/28/2017] [Indexed: 01/03/2023]
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39
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Kaplan GB, Leite-Morris KA, Wang L, Rumbika KK, Heinrichs SC, Zeng X, Wu L, Arena DT, Teng YD. Pathophysiological Bases of Comorbidity: Traumatic Brain Injury and Post-Traumatic Stress Disorder. J Neurotrauma 2017; 35:210-225. [PMID: 29017388 DOI: 10.1089/neu.2016.4953] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The high rates of traumatic brain injury (TBI) and post-traumatic stress disorder (PTSD) diagnoses encountered in recent years by the United States Veterans Affairs Healthcare System have increased public awareness and research investigation into these conditions. In this review, we analyze the neural mechanisms underlying the TBI/PTSD comorbidity. TBI and PTSD present with common neuropsychiatric symptoms including anxiety, irritability, insomnia, personality changes, and memory problems, and this overlap complicates diagnostic differentiation. Interestingly, both TBI and PTSD can be produced by overlapping pathophysiological changes that disrupt neural connections termed the "connectome." The neural disruptions shared by PTSD and TBI and the comorbid condition include asymmetrical white matter tract abnormalities and gray matter changes in the basolateral amygdala, hippocampus, and prefrontal cortex. These neural circuitry dysfunctions result in behavioral changes that include executive function and memory impairments, fear retention, fear extinction deficiencies, and other disturbances. Pathophysiological etiologies can be identified using experimental models of TBI, such as fluid percussion or blast injuries, and for PTSD, using models of fear conditioning, retention, and extinction. In both TBI and PTSD, there are discernible signs of neuroinflammation, excitotoxicity, and oxidative damage. These disturbances produce neuronal death and degeneration, axonal injury, and dendritic spine dysregulation and changes in neuronal morphology. In laboratory studies, various forms of pharmacological or psychological treatments are capable of reversing these detrimental processes and promoting axonal repair, dendritic remodeling, and neurocircuitry reorganization, resulting in behavioral and cognitive functional enhancements. Based on these mechanisms, novel neurorestorative therapeutics using anti-inflammatory, antioxidant, and anticonvulsant agents may promote better outcomes for comorbid TBI and PTSD.
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Affiliation(s)
- Gary B Kaplan
- 1 Mental Health Service , VA Boston Healthcare System, Brockton, Massachusetts.,2 Department of Psychiatry, Boston University School of Medicine , Boston, Massachusetts.,3 Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine , Boston, Massachusetts
| | - Kimberly A Leite-Morris
- 2 Department of Psychiatry, Boston University School of Medicine , Boston, Massachusetts.,3 Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine , Boston, Massachusetts.,4 Research Service, VA Boston Healthcare System , Jamaica Plain, Massachusetts
| | - Lei Wang
- 5 Division of Spinal Cord Injury Research, VA Boston Healthcare System , West Roxbury, Massachusetts.,6 Departments of Physical Medicine and Rehabilitation and Neurosurgery, Harvard Medical School , Boston, Massachusetts
| | - Kendra K Rumbika
- 7 Research Service, VA Boston Healthcare System , West Roxbury, Massachusetts
| | - Stephen C Heinrichs
- 7 Research Service, VA Boston Healthcare System , West Roxbury, Massachusetts
| | - Xiang Zeng
- 5 Division of Spinal Cord Injury Research, VA Boston Healthcare System , West Roxbury, Massachusetts.,6 Departments of Physical Medicine and Rehabilitation and Neurosurgery, Harvard Medical School , Boston, Massachusetts
| | - Liquan Wu
- 5 Division of Spinal Cord Injury Research, VA Boston Healthcare System , West Roxbury, Massachusetts.,6 Departments of Physical Medicine and Rehabilitation and Neurosurgery, Harvard Medical School , Boston, Massachusetts
| | - Danielle T Arena
- 7 Research Service, VA Boston Healthcare System , West Roxbury, Massachusetts
| | - Yang D Teng
- 5 Division of Spinal Cord Injury Research, VA Boston Healthcare System , West Roxbury, Massachusetts.,6 Departments of Physical Medicine and Rehabilitation and Neurosurgery, Harvard Medical School , Boston, Massachusetts
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Stein DJ, Vasconcelos MF, Albrechet-Souza L, Ceresér KMM, de Almeida RMM. Microglial Over-Activation by Social Defeat Stress Contributes to Anxiety- and Depressive-Like Behaviors. Front Behav Neurosci 2017; 11:207. [PMID: 29114211 PMCID: PMC5660717 DOI: 10.3389/fnbeh.2017.00207] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 10/10/2017] [Indexed: 12/18/2022] Open
Abstract
Hyper activation of the neuroimmune system is strongly related to the development of neuropsychiatric disorders. Psychosocial stress has been postulated to play an important role in triggering anxiety and major depression. In preclinical models, there is mounting evidence that social defeat stress activates microglial cells in the central nervous system. This type of stress could be one of the major factors in the development of these psychopathologies. Here, we reviewed the most recent literature on social defeat and the associated immunological reactions. We focused our attention on microglial cells and kept the effect of social defeat over microglia separate from the effect of this stressor on other immune cells and the influence of peripheral immune components in priming central immune reactions. Furthermore, we considered how social defeat stress affects microglial cells and the consequent development of anxiety- and depressive-like states in preclinical studies. We highlighted evidence for the negative impact of the over-activation of the neuroimmune system, especially by the overproduction of pro-inflammatory mediators and cytotoxins. Overproduction of these molecules may cause cellular damage and loss or decreased function of neuronal activity by excessively pruning synaptic connections that ultimately contribute to the development of anxiety- and depressive-like states.
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Affiliation(s)
- Dirson J. Stein
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Post-Graduate Program in Psychiatry and Behavioral Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Lucas Albrechet-Souza
- Psychology Institute, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Keila M. M. Ceresér
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Post-Graduate Program in Psychiatry and Behavioral Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Rosa M. M. de Almeida
- Psychology Institute, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Deak T, Kudinova A, Lovelock DF, Gibb BE, Hennessy MB. A multispecies approach for understanding neuroimmune mechanisms of stress. DIALOGUES IN CLINICAL NEUROSCIENCE 2017. [PMID: 28566946 PMCID: PMC5442363 DOI: 10.31887/dcns.2017.19.1/tdeak] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The relationship between stress challenges and adverse health outcomes, particularly for the development of affective disorders, is now well established. The highly conserved neuroimmune mechanisms through which responses to stressors are transcribed into effects on males and females have recently garnered much attention from researchers and clinicians alike. The use of animal models, from mice to guinea pigs to primates, has greatly increased our understanding of these mechanisms on the molecular, cellular, and behavioral levels, and research in humans has identified particular brain regions and connections of interest, as well as associations between stress-induced inflammation and psychiatric disorders. This review brings together findings from multiple species in order to better understand how the mechanisms of the neuroimmune response to stress contribute to stress-related psychopathologies, such as major depressive disorder, schizophrenia, and bipolar disorder.
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Affiliation(s)
- Terrence Deak
- Center for Affective Science and Department of Psychology, Binghamton University-State University of New York (SUNY), Binghamton, New York, USA
| | - Anastacia Kudinova
- Center for Affective Science and Department of Psychology, Binghamton University-State University of New York (SUNY), Binghamton, New York, USA
| | - Dennis F Lovelock
- Center for Affective Science and Department of Psychology, Binghamton University-State University of New York (SUNY), Binghamton, New York, USA
| | - Brandon E Gibb
- Center for Affective Science and Department of Psychology, Binghamton University-State University of New York (SUNY), Binghamton, New York, USA
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42
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Yamanashi T, Iwata M, Kamiya N, Tsunetomi K, Kajitani N, Wada N, Iitsuka T, Yamauchi T, Miura A, Pu S, Shirayama Y, Watanabe K, Duman RS, Kaneko K. Beta-hydroxybutyrate, an endogenic NLRP3 inflammasome inhibitor, attenuates stress-induced behavioral and inflammatory responses. Sci Rep 2017; 7:7677. [PMID: 28794421 PMCID: PMC5550422 DOI: 10.1038/s41598-017-08055-1] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 07/06/2017] [Indexed: 12/28/2022] Open
Abstract
Neuro-inflammation has been shown to play a critical role in the development of depression. Beta-hydroxybutyrate (BHB) is a ketone body and has recently been reported to exert anti-inflammatory effects via inhibition of NLRP3 inflammasome. Here, we investigated the potential antidepressant and anti-inflammatory effects of BHB on rats exposed to acute and chronic stress. We examined the influence of repeated BHB administration on depressive and anxiety behaviors in a rodent model of chronic unpredictable stress (CUS). Additionally, the influence of acute immobilization (IMM) stress and single BHB administration on hippocampal interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) were assessed. Repeated administration of BHB attenuated CUS-induced depressive- and anxiety-related behaviors. IMM stress increased levels of IL-1β in the hippocampus, while a single pre-administration of BHB attenuated this increase. Although no effect was observed on hippocampal TNF-α levels after 1 h of IMM stress, a single BHB pre-administration reduced hippocampal TNF-α. Our previous report showed that the release of IL-1β and TNF-α caused by stress is tightly regulated by NLRP3 inflammasome. These findings demonstrate that BHB exerts antidepressant-like effects, possibly by inhibiting NLRP3-induced neuro-inflammation in the hippocampus, and that BHB may be a novel therapeutic candidate for the treatment of stress-related mood disorders.
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Affiliation(s)
- Takehiko Yamanashi
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Masaaki Iwata
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan.
| | - Naho Kamiya
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Kyohei Tsunetomi
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Naofumi Kajitani
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Nodoka Wada
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Takahiro Iitsuka
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Takahira Yamauchi
- Department of Psychiatry, Nara Medical University School of Medicine, Kashihara, Japan
| | - Akihiko Miura
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Shenghong Pu
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Yukihiko Shirayama
- Department of Psychiatry, Teikyo University Chiba Medical Center, Ichihara, Japan
| | | | - Ronald S Duman
- Departments of Psychiatry and Neurobiology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Koichi Kaneko
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
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Wang Q, Dong X, Wang Y, Liu M, Sun A, Li N, lin Y, Geng Z, Jin Y, Li X. Adolescent escitalopram prevents the effects of maternal separation on depression‐ and anxiety‐like behaviours and regulates the levels of inflammatory cytokines in adult male mice. Int J Dev Neurosci 2017; 62:37-45. [PMID: 28778811 DOI: 10.1016/j.ijdevneu.2017.07.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 07/25/2017] [Accepted: 07/31/2017] [Indexed: 01/26/2023] Open
Affiliation(s)
- Qi Wang
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Xiaomei Dong
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Yan Wang
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Mengxi Liu
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Anji Sun
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Nannan Li
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Yiwei lin
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Zhongli Geng
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Ye Jin
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
| | - Xiaobai Li
- Department of PsychiatryThe First Hospital of China Medical UniversityShenyangLiaoning ProvinceChina
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Letavic MA, Savall BM, Allison BD, Aluisio L, Andres JI, De Angelis M, Ao H, Beauchamp DA, Bonaventure P, Bryant S, Carruthers NI, Ceusters M, Coe KJ, Dvorak CA, Fraser IC, Gelin CF, Koudriakova T, Liang J, Lord B, Lovenberg TW, Otieno MA, Schoetens F, Swanson DM, Wang Q, Wickenden AD, Bhattacharya A. 4-Methyl-6,7-dihydro-4H-triazolo[4,5-c]pyridine-Based P2X7 Receptor Antagonists: Optimization of Pharmacokinetic Properties Leading to the Identification of a Clinical Candidate. J Med Chem 2017; 60:4559-4572. [PMID: 28493698 DOI: 10.1021/acs.jmedchem.7b00408] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The synthesis and preclinical characterization of novel 4-(R)-methyl-6,7-dihydro-4H-triazolo[4,5-c]pyridines that are potent and selective brain penetrant P2X7 antagonists are described. Optimization efforts based on previously disclosed unsubstituted 6,7-dihydro-4H-triazolo[4,5-c]pyridines, methyl substituted 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrazines, and several other series lead to the identification of a series of 4-(R)-methyl-6,7-dihydro-4H-triazolo[4,5-c]pyridines that are selective P2X7 antagonists with potency at the rodent and human P2X7 ion channels. These novel P2X7 antagonists have suitable physicochemical properties, and several analogs have an excellent pharmacokinetic profile, good partitioning into the CNS and show robust in vivo target engagement after oral dosing. Improvements in metabolic stability led to the identification of JNJ-54175446 (14) as a candidate for clinical development. The drug discovery efforts and strategies that resulted in the identification of the clinical candidate are described herein.
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Affiliation(s)
- Michael A Letavic
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Brad M Savall
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Brett D Allison
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Leah Aluisio
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Jose Ignacio Andres
- Janssen Research & Development, a Division of Janssen-Cilag , Jarama 75, 45007 Toledo, Spain
| | - Meri De Angelis
- Janssen Research & Development, a Division of Janssen-Cilag , Jarama 75, 45007 Toledo, Spain
| | - Hong Ao
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Derek A Beauchamp
- Janssen Research & Development, LLC , 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - Pascal Bonaventure
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Stewart Bryant
- Janssen Research & Development, LLC , 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - Nicholas I Carruthers
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Marc Ceusters
- Janssen Research & Development, Janssen Pharmaceutica NV , Turnhoutseweg 30, 2340 Beerse, Belgium
| | - Kevin J Coe
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Curt A Dvorak
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Ian C Fraser
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Christine F Gelin
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Tatiana Koudriakova
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Jimmy Liang
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Brian Lord
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Timothy W Lovenberg
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Monicah A Otieno
- Janssen Research & Development, LLC , 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - Freddy Schoetens
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Devin M Swanson
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Qi Wang
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Alan D Wickenden
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
| | - Anindya Bhattacharya
- Janssen Research & Development, LLC , 3210 Merryfield Row, San Diego, California 92121, United States
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Deslauriers J, Powell S, Risbrough VB. Immune signaling mechanisms of PTSD risk and symptom development: insights from animal models. Curr Opin Behav Sci 2017; 14:123-132. [PMID: 28758144 DOI: 10.1016/j.cobeha.2017.01.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Post-traumatic stress disorder (PTSD) is characterized by persistent re-experiencing of a traumatic event, avoidance, and increased arousal. The approved pharmacological treatments for PTSD have limited efficacy (~60% treatment response), supporting the need for identification of biomarkers and novel pharmacological therapies. Mounting evidence suggests increased inflammatory markers and altered immune gene expression correlate with the severity of symptoms in PTSD patients. However a causal role of immune signaling in development and maintenance of PTSD symptoms is not clear, as inflammation may also be an epiphenomenon related to metabolic and behavioral effects of stress. Animal studies have been critical in understanding the potential causal role of immune signaling in PTSD. In this review we will present the most recent evidence, primarily focusing on the last 3 years, for inflammatory dysfunction both preceding and following PTSD, and how animal models of PTSD have contributed to our understanding of immune mechanisms involved in enduring anxiety after trauma. We will particularly focus on the role of peripheral vs. central immune signaling, the differences between single vs. chronic stress models of PTSD and recent utilization of these models to investigate novel anti-inflammatory treatments. We also highlight some current gaps in the literature including models of TBI/PTSD comorbidity, lack of translational peripheral markers of inflammation and the relatively incomplete understanding of the inflammatory trajectory after severe stress.
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Affiliation(s)
- Jessica Deslauriers
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA.,Center of Excellence for Stress and Mental Health, Veterans Affairs Hospital, La Jolla, CA, USA
| | - Susan Powell
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA.,Center of Excellence for Stress and Mental Health, Veterans Affairs Hospital, La Jolla, CA, USA
| | - Victoria B Risbrough
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA.,Center of Excellence for Stress and Mental Health, Veterans Affairs Hospital, La Jolla, CA, USA
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Deak T. A multispecies approach for understanding neuroimmune mechanisms of stress. DIALOGUES IN CLINICAL NEUROSCIENCE 2017; 19:37-53. [PMID: 28566946 PMCID: PMC5442363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2023]
Abstract
The relationship between stress challenges and adverse health outcomes, particularly for the development of affective disorders, is now well established. The highly conserved neuroimmune mechanisms through which responses to stressors are transcribed into effects on males and females have recently garnered much attention from researchers and clinicians alike. The use of animal models, from mice to guinea pigs to primates, has greatly increased our understanding of these mechanisms on the molecular, cellular, and behavioral levels, and research in humans has identified particular brain regions and connections of interest, as well as associations between stress-induced inflammation and psychiatric disorders. This review brings together findings from multiple species in order to better understand how the mechanisms of the neuroimmune response to stress contribute to stress-related psychopathologies, such as major depressive disorder, schizophrenia, and bipolar disorder.
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Affiliation(s)
- Terrence Deak
- Center for Affective Science and Department of Psychology, Binghamton University-State University of New York (SUNY), Binghamton, New York, USA
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47
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Almeida-Suhett CP, Graham A, Chen Y, Deuster P. Behavioral changes in male mice fed a high-fat diet are associated with IL-1β expression in specific brain regions. Physiol Behav 2016; 169:130-140. [PMID: 27876639 DOI: 10.1016/j.physbeh.2016.11.016] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 10/18/2016] [Accepted: 11/18/2016] [Indexed: 12/12/2022]
Abstract
High-fat diet (HFD)-induced obesity is associated with not only increased risk of metabolic and cardiovascular diseases, but cognitive deficit, depression and anxiety disorders. Obesity also leads to low-grade peripheral inflammation, which plays a major role in the development of metabolic alterations. Previous studies suggest that obesity-associated central inflammation may underlie the development of neuropsychiatric deficits, but further research is needed to clarify this relationship. We used 48 male C57BL/6J mice to investigate whether chronic consumption of a high-fat diet leads to increased expression of interleukin-1β (IL-1β) in the hippocampus, amygdala and frontal cortex. We also determined whether IL-1β expression in those brain regions correlates with changes in the Y-maze, open field, elevated zero maze and forced swim tests. After 16weeks on dietary treatments, HFD mice showed cognitive impairment on the Y-maze test, greater anxiety-like behavior during the open field and elevated zero maze tests, and increased depressive-like behavior in the forced swim test. Hippocampal and amygdalar expression of IL-1β were significantly higher in HFD mice than in control mice fed a standard diet (SD). Additionally, hippocampal GFAP and Iba1 immunoreactivity were increased in HFD mice when compared to SD controls. Cognitive performance negatively correlated with level of IL-1β in the hippocampus and amygdala whereas an observed increase in anxiety-like behavior was positively correlated with higher expression of IL-1β in the amygdala. However, we observed no association between depressive-like behavior and IL-1β expression in any of the brain regions investigated. Together our data provide evidence that mice fed a HFD exhibit cognitive deficits, anxiety and depressive-like behaviors. Our results also suggest that increased expression of IL-1β in the hippocampus and amygdala may be associated with the development of cognitive deficits and anxiety-like behavior, respectively.
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Affiliation(s)
- Camila P Almeida-Suhett
- Military and Emergency Medicine, Consortium for Health and Military Performance, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA.
| | - Alice Graham
- Military and Emergency Medicine, Consortium for Health and Military Performance, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA
| | - Yifan Chen
- Military and Emergency Medicine, Consortium for Health and Military Performance, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA
| | - Patricia Deuster
- Military and Emergency Medicine, Consortium for Health and Military Performance, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA
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48
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Du RH, Wu FF, Lu M, Shu XD, Ding JH, Wu G, Hu G. Uncoupling protein 2 modulation of the NLRP3 inflammasome in astrocytes and its implications in depression. Redox Biol 2016; 9:178-187. [PMID: 27566281 PMCID: PMC5007434 DOI: 10.1016/j.redox.2016.08.006] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 08/16/2016] [Accepted: 08/17/2016] [Indexed: 11/22/2022] Open
Abstract
Mitochondrial uncoupling protein 2 (UCP2) has been well characterized to control the production of reactive oxygen species (ROS) and astrocytes are the major cells responsible for the ROS production and the inflammatory responses in the brain. However, the function of UCP2 in astrocytes and the contribution of astrocytic UCP2 to depression remain undefined. Herein, we demonstrated that UCP2 knockout (KO) mice displayed aggravated depressive-like behaviors, impaired neurogenesis, and enhanced loss of astrocytes in the chronic mild stress (CMS)-induced anhedonia model of depression. We further found that UCP2 ablation significantly enhanced the activation of the nod-like receptor protein 3 (NLRP3) inflammasome in the hippocampus and in astrocytes. Furthermore, UCP2 deficiency promoted the injury of mitochondria, the generation of ROS and the physical association between thioredoxin-interacting protein (TXNIP) and NLRP3 in astrocytes. Moreover, transiently expressing exogenous UCP2 partially rescued the deleterious effects of UCP2 ablation on the astrocytes. These data indicate that UCP2 negatively regulates the activation of NLRP3 inflammasome and inhibited the ROS-TXNIP-NLRP3 pathway in astrocytes. Collectively, our findings reveal that UCP2 regulates inflammation responses in astrocytes and plays an important role in the pathogenesis of depression and that UCP2 may be a promising therapeutic target for depression.
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Affiliation(s)
- Ren-Hong Du
- Jiangsu Key Laboratory of Neurogeneration, Department of Pharmacology, Nanjing Medical University, 101 Nongmian Road, Nanjing, Jiangsu 210029, PR China
| | - Fang-Fang Wu
- Jiangsu Key Laboratory of Neurogeneration, Department of Pharmacology, Nanjing Medical University, 101 Nongmian Road, Nanjing, Jiangsu 210029, PR China
| | - Ming Lu
- Jiangsu Key Laboratory of Neurogeneration, Department of Pharmacology, Nanjing Medical University, 101 Nongmian Road, Nanjing, Jiangsu 210029, PR China
| | - Xiao-Dong Shu
- Jiangsu Key Laboratory of Neurogeneration, Department of Pharmacology, Nanjing Medical University, 101 Nongmian Road, Nanjing, Jiangsu 210029, PR China
| | - Jian-Hua Ding
- Jiangsu Key Laboratory of Neurogeneration, Department of Pharmacology, Nanjing Medical University, 101 Nongmian Road, Nanjing, Jiangsu 210029, PR China
| | - Guangyu Wu
- Department of Pharmacology and Toxicology, Medical College of Georgia, Georgia Regents, 1459 Laney Walker Blvd., Augusta, GA 30912, United States
| | - Gang Hu
- Jiangsu Key Laboratory of Neurogeneration, Department of Pharmacology, Nanjing Medical University, 101 Nongmian Road, Nanjing, Jiangsu 210029, PR China; Department of Pharmacology, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing, Jiangsu 210023, PR China.
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Iwata M, Ota KT, Li XY, Sakaue F, Li N, Dutheil S, Banasr M, Duric V, Yamanashi T, Kaneko K, Rasmussen K, Glasebrook A, Koester A, Song D, Jones KA, Zorn S, Smagin G, Duman RS. Psychological Stress Activates the Inflammasome via Release of Adenosine Triphosphate and Stimulation of the Purinergic Type 2X7 Receptor. Biol Psychiatry 2016; 80:12-22. [PMID: 26831917 DOI: 10.1016/j.biopsych.2015.11.026] [Citation(s) in RCA: 272] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 11/24/2015] [Accepted: 11/24/2015] [Indexed: 12/12/2022]
Abstract
BACKGROUND The mechanisms underlying stress-induced inflammation that contribute to major depressive disorder are unknown. We examine the role of the adenosine triphosphate (ATP)/purinergic type 2X7 receptor (P2X7R) pathway and the NLRP3 (nucleotide-binding, leucine-rich repeat, pyrin domain containing 3) inflammasome in interleukin (IL)-1β and depressive behavioral responses to stress. METHODS The influence of acute restraint stress on extracellular ATP, glutamate, IL-1β, and tumor necrosis factor alpha in hippocampus was determined by microdialysis, and the influence of acute restraint stress on the NLRP3 inflammasome was determined by western blot analysis. The influence of P2X7R antagonist administration on IL-1β and tumor necrosis factor alpha and on anxiety and depressive behaviors was determined in the chronic unpredictable stress rodent model. The role of the NLRP3 inflammasome was determined by analysis of Nlrp3 null mice. RESULTS Acute restraint stress rapidly increased extracellular ATP, an endogenous agonist of P2X7R; the inflammatory cytokine IL-1β; and the active form of the NLRP3 inflammasome in the hippocampus. Administration of a P2X7R antagonist completely blocked the release of IL-1β and tumor necrosis factor alpha, another stress-induced cytokine, and activated NLRP3. Moreover, P2X7R antagonist administration reversed the anhedonic and anxiety behaviors caused by chronic unpredictable stress exposure, and deletion of the Nlrp3 gene rendered mice resistant to development of depressive behaviors caused by chronic unpredictable stress. CONCLUSIONS These findings demonstrate that psychological "stress" is sensed by the innate immune system in the brain via the ATP/P2X7R-NLRP3 inflammasome cascade, and they identify novel therapeutic targets for the treatment of stress-related mood disorders and comorbid illnesses.
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Affiliation(s)
- Masaaki Iwata
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Kristie T Ota
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Xiao-Yuan Li
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Fumika Sakaue
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Nanxin Li
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Sophie Dutheil
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Mounira Banasr
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Vanja Duric
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut; Department of Physiology and Pharmacology, Des Moines University, Des Moines, Iowa
| | | | - Koichi Kaneko
- Division of Neuropsychiatry, Tottori University, Tottori, Japan
| | - Kurt Rasmussen
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana
| | - Andrew Glasebrook
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana
| | - Anja Koester
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana
| | - Dekun Song
- Lundbeck Research USA, Paramus, New Jersey
| | | | | | | | - Ronald S Duman
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut.
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50
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Wong ML, Inserra A, Lewis MD, Mastronardi CA, Leong L, Choo J, Kentish S, Xie P, Morrison M, Wesselingh SL, Rogers GB, Licinio J. Inflammasome signaling affects anxiety- and depressive-like behavior and gut microbiome composition. Mol Psychiatry 2016; 21:797-805. [PMID: 27090302 PMCID: PMC4879188 DOI: 10.1038/mp.2016.46] [Citation(s) in RCA: 372] [Impact Index Per Article: 46.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 02/19/2016] [Accepted: 02/22/2016] [Indexed: 12/13/2022]
Abstract
The inflammasome is hypothesized to be a key mediator of the response to physiological and psychological stressors, and its dysregulation may be implicated in major depressive disorder. Inflammasome activation causes the maturation of caspase-1 and activation of interleukin (IL)-1β and IL-18, two proinflammatory cytokines involved in neuroimmunomodulation, neuroinflammation and neurodegeneration. In this study, C57BL/6 mice with genetic deficiency or pharmacological inhibition of caspase-1 were screened for anxiety- and depressive-like behaviors, and locomotion at baseline and after chronic stress. We found that genetic deficiency of caspase-1 decreased depressive- and anxiety-like behaviors, and conversely increased locomotor activity and skills. Caspase-1 deficiency also prevented the exacerbation of depressive-like behaviors following chronic stress. Furthermore, pharmacological caspase-1 antagonism with minocycline ameliorated stress-induced depressive-like behavior in wild-type mice. Interestingly, chronic stress or pharmacological inhibition of caspase-1 per se altered the fecal microbiome in a very similar manner. When stressed mice were treated with minocycline, the observed gut microbiota changes included increase in relative abundance of Akkermansia spp. and Blautia spp., which are compatible with beneficial effects of attenuated inflammation and rebalance of gut microbiota, respectively, and the increment in Lachnospiracea abundance was consistent with microbiota changes of caspase-1 deficiency. Our results suggest that the protective effect of caspase-1 inhibition involves the modulation of the relationship between stress and gut microbiota composition, and establishes the basis for a gut microbiota-inflammasome-brain axis, whereby the gut microbiota via inflammasome signaling modulate pathways that will alter brain function, and affect depressive- and anxiety-like behaviors. Our data also suggest that further elucidation of the gut microbiota-inflammasome-brain axis may offer novel therapeutic targets for psychiatric disorders.
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Affiliation(s)
- M-L Wong
- Mind and Brain Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Department of Psychiatry, Flinders Medical Centre, Adelaide, SA, Australia
| | - A Inserra
- Mind and Brain Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Department of Psychiatry, Flinders Medical Centre, Adelaide, SA, Australia
| | - M D Lewis
- Mind and Brain Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Department of Psychiatry, Flinders Medical Centre, Adelaide, SA, Australia
| | - C A Mastronardi
- Genomics and Predictive Medicine, The John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - L Leong
- Infection and Immunity Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Department of Microbiology and Infectious Diseases, Flinders University School of Medicine and Flinders Medical Centre, Adelaide, SA, Australia
| | - J Choo
- Infection and Immunity Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Department of Microbiology and Infectious Diseases, Flinders University School of Medicine and Flinders Medical Centre, Adelaide, SA, Australia
| | - S Kentish
- Gastrointestinal Vagal Afferent Research Group, The University of Adelaide, Adelaide, SA, Australia
| | - P Xie
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurobiology, and Institute of Neuroscience and the Collaborative Innovation Center for Brain Science, Chongqing Medical University, Chongqing, China
| | - M Morrison
- Translational Research Institute, The University of Queensland Diamantine Institute, Wooloongabba, QLD, Australia
| | - S L Wesselingh
- Infection and Immunity Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Department of Microbiology and Infectious Diseases, Flinders University School of Medicine and Flinders Medical Centre, Adelaide, SA, Australia
| | - G B Rogers
- Infection and Immunity Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Department of Microbiology and Infectious Diseases, Flinders University School of Medicine and Flinders Medical Centre, Adelaide, SA, Australia
| | - J Licinio
- Mind and Brain Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Department of Psychiatry, Flinders Medical Centre, Adelaide, SA, Australia
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