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A Emara A, H Mohamed M, S Nada E, A Hashem N, S Mahmoud E, M Abd-Elmonem A, Y Talab E, N Hameed A, M Dabbash O, Amir S, A Abd-Elgwad M, H Mohamed A, S Othman A, S Mansour M, A Ali A, A Hussein M. Astaxanthin Attenuates D-Galactosamine-Induced Pancreatic Injury by Activating Antioxidant Enzymes and Inhibiting VEGF-C Gene Expression. Pak J Biol Sci 2022; 25:191-200. [PMID: 35234009 DOI: 10.3923/pjbs.2022.191.200] [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] [Indexed: 11/15/2022]
Abstract
<b>Background and Objective:</b> Astaxanthin (3,3'-dihydroxy-β-β-carotene-4,4'-dione) is a carotenoid, commonly found in marine environments has been reported to possess versatile biological properties including anti-inflammatory and antioxidant. In this study, the pancreatic protective effect of astaxanthin was investigated in D-Galactosamine-induced pancreas injury in rats. <b>Materials and Methods:</b> In this experimental study, MTT assay was used to determine cytotoxic effects of the Astaxanthin on pnc1 cells. A total of 30 adult albino rats divided into 5 groups, six rats in each. Group I was given an equal amount of distilled water, group II was received 400 mg kg<sup>1</sup> b.wt. D-galactosamine on 15th day, groups III-V were treated with astaxanthin (50 and 100 mg kg<sup>1</sup>) and/or silymarin (50 mg kg<sup>1</sup>) for 14 days + 400 mg kg<sup>1</sup> b.wt. D-galactosamine on the 15th day, respectively. <b>Results:</b> IC<sub>50 </sub>of Astaxanthin against the pnc1 cell line was 92.9 μg mL<sup>1</sup>. The daily oral administration of astaxanthin (50 and 100 mg kg<sup>1</sup>) as well as silymarin (50 mg kg<sup>1</sup>) for 14 days to rats treated with D-galactosamine resulted in a significant improvement in plasma AST, ALT, ALP as well as pancreatic TNF-α, IL-1β, IL-10, NO and VEGF-C gene expression. On the other hand, inducible oral administration of astaxanthin increased the activity of pancreatic GSH, SOD, GPx, GR, CAT and the level of TBARs in D-galactosamine-treated pancreatic of rats. Furthermore, Astaxanthin almost normalized these effects in pancreatic tissue histoarchitecture and MRI examination. <b>Conclusion:</b> The obtained results showed that Astaxanthin protected experimental animals against D-galactosamine-induced pancreatic injury through activation of antioxidant enzymes and IL-10 and inhibition of VEGF-C activation.
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Translational evidence for the Inflammatory Response System (IRS)/Compensatory Immune Response System (CIRS) and neuroprogression theory of major depression. Prog Neuropsychopharmacol Biol Psychiatry 2021; 111:110343. [PMID: 33961966 DOI: 10.1016/j.pnpbp.2021.110343] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/20/2021] [Accepted: 05/02/2021] [Indexed: 02/07/2023]
Abstract
Major depressive disorder (MDD) is a common, severe and disabling neuropsychiatric disorder with a heterogenous etiology. Among the most widely recognized etiological models, immunopathogenesis is a predominant one. Numerous studies have demonstrated aberrant levels of inflammatory markers in the peripheral blood, cerebrospinal fluid (CSF) and brain of patients with MDD. Multiple studies including meta-analyses have reported increased peripheral levels of acute phase proteins, and pro-inflammatory cytokines, particularly IL-1β, TNF-α, and IL-6 in MDD. Postmortem brain studies similarly demonstrated upregulated expressions of these pro-inflammatory cytokines. This along with evidence of monocytic, lymphocytic and microglial activation, suggest an activated inflammatory response system (IRS) in MDD. A few studies show increased levels of anti-inflammatory cytokines or defective inflammatory pathways and a deficit in T cell maturation and responses in MDD patients. This suggests the presence of a Compensatory Immune Response System (CIRS), which can counterbalance the effects of IRS in major depression. More recently, simultaneously increased levels of both the pro-and anti-inflammatory cytokines are reported in the brain of MDD patients; this indicates activity of both the IRS and CIRS in MDD. The IRS and CIRS are the evolutionarily conserved and integral elements of an overarching system. The relevance of a dysregulated IRS-CIRS system in the neurobiological construct of MDD is just beginning to be understood. Speculation is rife that the disrupted IRS-CIRS elements might determine the onset, episodes, neuroprogressive processes, treatment response as well as recovery of patients with MDD. Notably, the signatures of an activated IRS-CIRS might emerge as potential biomarkers of MDD. Herein, an attempt has been made to highlight the biology and pathobiological relevance of IRS-CIRS activation in MDD and provide an insight into the role of these components in pharmacological therapy.
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Martínez-Aguirre C, Cinar R, Rocha L. Targeting Endocannabinoid System in Epilepsy: For Good or for Bad. Neuroscience 2021; 482:172-185. [PMID: 34923038 DOI: 10.1016/j.neuroscience.2021.12.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 11/29/2021] [Accepted: 12/09/2021] [Indexed: 02/07/2023]
Abstract
Epilepsy is a neurological disorder with a high prevalence worldwide. Several studies carried out during the last decades indicate that the administration of cannabinoids as well as the activation of the endocannabinoid system (ECS) represent a therapeutic strategy to control epilepsy. However, there are controversial studies indicating that activation of ECS results in cell damage, inflammation and neurotoxicity, conditions that facilitate the seizure activity. The present review is focused to present findings supporting this issue. According to the current discrepancies, it is relevant to elucidate the different effects induced by the activation of ECS and determine the conditions under which it facilitates the seizure activity.
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Affiliation(s)
| | - Resat Cinar
- Section on Fibrotic Disorders, National Institute on Alcohol Abuse and Alcoholism (NIAAA), National Institutes of Health (NIH), Rockville, USA
| | - Luisa Rocha
- Department of Pharmacobiology, Center for Research and Advanced Studies, Mexico City, Mexico.
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Pyne T, Ghosh P, Dhauria M, Ganguly K, Sengupta D, Nandagopal K, Sengupta M, Das M. Prioritization of human well-being spectrum related GWAS-SNVs using ENCODE-based web-tools predict interplay between PSMC3, ITIH4, and SERPINC1 genes in modulating well-being. J Psychiatr Res 2021; 145:92-101. [PMID: 34883412 DOI: 10.1016/j.jpsychires.2021.11.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 04/16/2021] [Accepted: 11/21/2021] [Indexed: 11/23/2022]
Abstract
Several traits related to positive and negative affect show a high genetic as well as phenotypic correlation with well-being in humans, and are therefore collectively termed as "Well-being spectrum". Genome-Wide Association studies (GWA studies) on "well-being measurement" have led to identification of several genomic variants (Single Nucleotide Variants - SNVs), but very little has been explained with respect to their functionality and mode of alteration of well-being. Utilizing a pool of 1258 GWA studies based SNVs on "well-being measurement", we prioritized the SNVs and tried to annotate well-being related functionality through several bioinformatic tools to predict whether a protein sequence variation affects protein function, as well as experimentally validated datasets available in ENCODE based web-tools namely rSNPBase, RegulomeDB, Haploreg, along with GTEx Portal and STRING based protein interaction networks. Prioritization yielded three key SNVs; rs3781627-A, rs13072536-T and 5877-C potentially regulating three genes, PSMC3, ITIH4 and SERPINC1, respectively. Interestingly, the genes showed well clustered protein-protein interaction (maximum combined confidence score >0.4) with other well-being candidate genes, namely TNF and CRP genes suggesting their important role in modulation of well-being. PSMC3 and ITIH4 genes are also involved in driving acute phase responses signifying a probable cross-talk between well-being and psychoneuroimmunological system. To best of our knowledge this study is the first of its kind where the well-being associated GWA studies-SNVs were prioritized and functionally annotated, majorly based on functional data available in public domain, which revealed PSMC3, ITIH4 and SERPINC1 genes as probable candidates in regulation of well-being spectrum.
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Affiliation(s)
- Tushar Pyne
- Department of Genetics, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India
| | - Poulomi Ghosh
- Department of Genetics, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India
| | - Mrinmay Dhauria
- Department of Genetics, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India
| | - Kausik Ganguly
- Department of Genetics, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India
| | - Debmalya Sengupta
- Department of Genetics, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India
| | - Krishnadas Nandagopal
- Department of Genetics, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India
| | - Mainak Sengupta
- Department of Genetics, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India.
| | - Madhusudan Das
- Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, West Bengal, 700019, India.
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Rahman S, Rahman ZI, Ronan PJ, Lutfy K, Bell RL. Adolescent opioid abuse: Role of glial and neuroimmune mechanisms. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2021; 161:147-165. [PMID: 34801168 DOI: 10.1016/bs.irn.2021.07.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Opioids are widely prescribed for pain management, and prescription opioid misuse in adolescents has become a major epidemic in the United States and worldwide. Emerging data indicate that adolescence represents a critical period of brain development, and exposure to opioids during adolescence may increase the risk of addiction in adulthood. There is growing evidence that disruptions in brain glial function may be implicated in numerous chronic neuropathologies. Evidence suggests that glial mechanisms have an important role in the development and maintenance of opioid abuse and the risk for addiction. This review will describe glial and neuroimmune mechanisms involved in opioid use disorders during adolescence, which may increase substance use disorder liability later in life. Moreover, this review will identify some important neuro-glial targets, involved in opioid abuse and addiction, to develop future preventions and treatment strategies.
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Affiliation(s)
- S Rahman
- Department of Pharmaceutical Sciences, South Dakota State University, Brookings, SD, United States.
| | - Z I Rahman
- University of Minnesota Medical School, Minneapolis, MN, United States
| | - P J Ronan
- Department of Psychiatry and Basic Biomedical Sciences, University of South Dakota Sanford School of Medicine, Sioux Falls, SD, United States; Research Service, Sioux Falls VA Healthcare System, Sioux Falls, SD, United States
| | - K Lutfy
- Department of Pharmaceutical Sciences, College of Pharmacy, Western University of Health Sciences, Pomona, CA, United States
| | - R L Bell
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, United States
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Vizuete AFK, Mussulini BH, Zenki KC, Baggio S, Pasqualotto A, Rosemberg DB, Bogo MR, de Oliveira DL, Rico EP. Prolonged ethanol exposure alters glutamate uptake leading to astrogliosis and neuroinflammation in adult zebrafish brain. Neurotoxicology 2021; 88:57-64. [PMID: 34728274 DOI: 10.1016/j.neuro.2021.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 10/04/2021] [Accepted: 10/28/2021] [Indexed: 10/19/2022]
Abstract
High ethanol (EtOH) consumption is a serious condition that induces tremors, alcoholic psychosis, and delirium, being considered a public health problem worldwide. Prolonged EtOH exposure promotes neurodegeneration, affecting several neurotransmitter systems and transduction signaling pathways. Glutamate is the major excitatory amino acid in the central nervous system (CNS) and the extracellular glutamatergic tonus is controlled by glutamate transporters mostly located in astrocytes. Here, we explore the effects of prolonged EtOH exposure on the glutamatergic uptake system and its relationship with astroglial markers (GFAP and S100B), neuroinflammation (IL-1β and TNF-α), and brain derived neurotrophic factor (BDNF) levels in the CNS of adult zebrafish. Animals were exposed to 0.5% EtOH for 7, 14, and 28 days continuously. Glutamate uptake was significantly decreased after 7 and 14 days of EtOH exposure, returning to baseline levels after 28 days of exposure. No alterations were observed in crucial enzymatic activities linked to glutamate uptake, like Na,K-ATPase or glutamine synthetase. Prolonged EtOH exposure increased GFAP, S100B, and TNF-α levels after 14 days. Additionally, increased BDNF mRNA levels were observed after 14 and 28 days of EtOH exposure, while BDNF protein levels increased only after 28 days. Collectively, our data show markedly brain astroglial, neuroinflammatory and neurotrofic responses after an initial impairment of glutamate uptake following prolonged EtOH exposure. This neuroplasticity event could play a key role in the modulatory effect of EtOH on glutamate uptake after 28 days of continuous exposure.
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Affiliation(s)
- Adriana Fernanda Kuckartz Vizuete
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Ben Hur Mussulini
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Kamila Cagliari Zenki
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Suelen Baggio
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Amanda Pasqualotto
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Denis Broock Rosemberg
- Programa de Pós-Graduação em Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, RS, 97105-900, Santa Maria, RS, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA
| | - Maurício Reis Bogo
- Programa de Pós-Graduação em Biologia Celular e Molecular, Laboratório de Neuroquímica e Psicofarmacologia, Pontifícia Universidade Católica do Rio Grande do Sul, Brazil
| | - Diogo Lösch de Oliveira
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA
| | - Eduardo Pacheco Rico
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Extreme Southern Catarinense (UNESC), Criciúma, SC, Brazil.
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Novel scaffold based graphene oxide doped electrospun iota carrageenan/polyvinyl alcohol for wound healing and pathogen reduction: in-vitro and in-vivo study. Sci Rep 2021; 11:20456. [PMID: 34650075 PMCID: PMC8516857 DOI: 10.1038/s41598-021-00069-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 10/06/2021] [Indexed: 11/17/2022] Open
Abstract
Wound healing is a complicated multicellular process that involves several kinds of cells including macrophages, fibroblasts, endothelial cells, keratinocytes and platelets that are leading to their differentiation towards an anti-inflammatory response for producing several chemokines, cytokine and growth factors. In this study, electrospun nanofiber scaffold named (MNS) is composed of polyvinyl alcohol (PVA)/iota carrageenan (IC) and doped with partially reduced graphene oxide (prGO) that is successfully synthesized for wound healing and skin repair. The fabricated MNS was tested in case of infection and un-infection with E. coli and Staphylococcus and in both of the presence and in the absence of yeast as a natural nutritional supplement. Numerous biochemical parameters including total protein, albumin, urea and LDH, and hematological parameters were evaluated. Results revealed that the MNS was proved to be effective on most of the measured parameters and had exhibited efficient antibacterial inhibition activity. Whereas it can be used as an effective antimicrobial agent in wound healing, however, histopathological findings confirmed that the MNS caused re-epithelialization and the presence of yeast induced hair follicles growth and subsequently it may be used to hide formed head wound scar.
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Increased telomerase activity in major depressive disorder with melancholic features: Possible role of pro-inflammatory cytokines and the brain-derived neurotrophic factor. Brain Behav Immun Health 2021; 14:100259. [PMID: 34589765 PMCID: PMC8474565 DOI: 10.1016/j.bbih.2021.100259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 04/11/2021] [Accepted: 04/13/2021] [Indexed: 01/10/2023] Open
Abstract
The biological mechanisms responsible for depression symptoms are not yet understood. For this reason, it is important to reveal the etiopathogenetic mechanisms in this disease. This study aims to compare the levels of pro-inflammatory cytokines, Brain-Derived Neurotrophic Factor (BDNF), and telomerase activity in patients with major depressive disorder (MDD) and healthy controls. Plasma BDNF, interleukin-6 (IL-6), IL-1beta, and Tumor Necrosis Factor-alpha (TNF-alpha) levels, and telomerase activity were measured in 39 patients with major depression and 39 healthy controls matched with patients in terms of age, gender, and education year. Plasma concentration of BDNF, IL-6 levels, and telomerase activity was significantly different between patients with MDD and healthy controls. Correlation analysis showed a positive trend between plasma BDNF levels and plasma IL-6 levels in patients with MDD with melancholic features. Furthermore, the path analysis results showed that the telomerase activity was indirectly affected by gender, IL-1β, IL-6, BDNF, and BMI, via the severity of depression and anxiety and MDD status as the mediators. Further studies are needed to examine the molecular mechanism of the telomerase activity and the role of BDNF and pro-inflammatory cytokines in the telomerase activation in MDD.
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Sakamoto S, Zhu X, Hasegawa Y, Karma S, Obayashi M, Alway E, Kamiya A. Inflamed brain: Targeting immune changes and inflammation for treatment of depression. Psychiatry Clin Neurosci 2021; 75:304-311. [PMID: 34227186 PMCID: PMC8683253 DOI: 10.1111/pcn.13286] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/22/2021] [Accepted: 06/29/2021] [Indexed: 12/13/2022]
Abstract
Although there are a number of clinically effective treatments for depression, many patients exhibit treatment resistance. Recent clinical and preclinical studies reveal that peripheral and brain immune changes and inflammation are involved in the pathophysiology of depression. This 'Inflamed Brain' research provides critical clues for understanding of disease pathophysiology and many candidate molecules that are potentially useful for identifying novel drug targets for the treatment of depression. In this review, we will present clinical evidence on the role of inflammation in the pathophysiology of depression. We will also summarize current clinical trials which test drugs targeting inflammation for the treatment of patients with depression. Furthermore, we will briefly provide preclinical evidence demonstrating altered immune system function and inflammation in stress-induced animal models and will discuss the future potential of inflammation-related drug targets. Collectively, inflammatory signatures identified in clinical and preclinical studies may allow us to stratify depressive patients based on biotypes, contributing to the development of novel mechanism-based interventions that target specific patient populations.
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Affiliation(s)
- Shinji Sakamoto
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Xiaolei Zhu
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yuto Hasegawa
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sadik Karma
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Mizuho Obayashi
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Emily Alway
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Atsushi Kamiya
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Rahmani N, Hatch J, Dimick M, Naiberg MR, Fiksenbaum L, Andreazza AC, Bowie CR, Dickstein DP, Goldstein BI. Lower pro- to anti-inflammatory ratios associated with reduced neurocognitive flexibility in symptomatic adolescents with bipolar disorder. J Affect Disord 2021; 292:430-438. [PMID: 34144368 DOI: 10.1016/j.jad.2021.05.062] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 04/11/2021] [Accepted: 05/30/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Peripheral inflammatory markers, such as C-reactive protein (CRP), are elevated among adolescents and adults with bipolar disorder (BD), particularly during symptomatic episodes. Neurocognition, predominantly in the domain of executive function, is also impaired among adults and youth with BD. In adults with BD, CRP is negatively associated with neurocognitive functioning. We aim to investigate this relationship in BD adolescents. METHODS Serum levels of CRP and five other inflammatory markers (interleukin (IL)-1β, IL-6, IL-10, IL-4 and tumor necrosis factor α (TNF)) were examined in 60 adolescents with BD (34 symptomatic, 26 asymptomatic) age- and sex-matched to 51 healthy controls (HC). Diagnoses were confirmed using semi-structured interviews. Pro- to anti-inflammatory marker ratios were also examined. Neurocognitive flexibility was assessed via the intra/extradimensional shift (IED) task from the CANTAB battery. Multivariate linear regression controlled for age, sex and race. RESULTS Within symptomatic BD adolescents, but not asymptomatic BD or HC adolescents, lower IL-6/IL-10 and lower CRP/IL-10 ratios were significantly associated with worse performance on the neurocognitive flexibility task (p = 0.03 and p = 0.04, respectively). Both models accounted for 13.3% of variance in neurocognitive flexibility. No significant CRP by diagnosis interaction effects were observed on neurocognitive flexibility. LIMITATIONS Limited sample-size restricted ability to separate the symptomatic BD adolescents into varying mood states. CONCLUSION More balanced pro- to anti-inflammatory ratios were associated with better neurocognitive flexibility in symptomatic BD adolescents. Prospective studies are warranted to assess the direction of these findings.
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Affiliation(s)
- Noreen Rahmani
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON M5R 0A3, Canada.
| | - Jessica Hatch
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON M5R 0A3, Canada
| | - Mikaela Dimick
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON M5R 0A3, Canada; Centre for Youth Bipolar Disorder, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada
| | - Melanie R Naiberg
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON M5R 0A3, Canada
| | - Lisa Fiksenbaum
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON M5R 0A3, Canada; Centre for Youth Bipolar Disorder, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada
| | - Ana C Andreazza
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON M5R 0A3, Canada; Department of Psychiatry, University of Toronto, Toronto, ON M5T 1R8, Canada
| | - Christopher R Bowie
- Centre for Neuroscience Studies, Department of Psychology & Department of Psychiatry, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Daniel P Dickstein
- PediMIND Program, Department of Psychiatry and Human Behaviour, Bradley Hospital and Alpert Medical School of Brown University, Rhode Island, East Providence 02915, USA
| | - Benjamin I Goldstein
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON M5R 0A3, Canada; Centre for Youth Bipolar Disorder, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada; Department of Psychiatry, University of Toronto, Toronto, ON M5T 1R8, Canada.
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Yuan C, Yao Y, Liu T, Jin Y, Yang C, Loh XJ, Li Z. Research Progress on Natural Compounds Exerting an Antidepressant Effect through Anti-inflammatory. Curr Med Chem 2021; 29:934-956. [PMID: 34420503 DOI: 10.2174/0929867328666210820115259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 06/18/2021] [Accepted: 06/25/2021] [Indexed: 11/22/2022]
Abstract
Depression is a common mental illness that belongs to the category of emotional disorders that causes serious damage to the health and life of patients, while inflammation is considered to be one of the important factors that causes depression. In this case, it might be important to explore the possible therapeutic approach by using natural compounds exerting an anti-inflammatory and antidepressant effect, which it filed has not been systematically reviewed recently. Hence, this review aims to systematically sort the literature related to the mechanism of exerting an antidepressant effect through anti-inflammatory actions, and to summarize the related natural products in the past 20 years, in terms of a number of inflammatory related pathways (i.e., the protein kinase B (Akt) pathway, monoamine neurotransmitters (5-hydroxytryptamine and norepinephrine) (5-HT and NE), the nod-like receptor protein-3 (NLRP3) inflammasome, proinflammatory cytokines, neurotrophins, or cytokine-signaling pathways), which might provide a useful reference for the potential treatment of depression.
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Affiliation(s)
- Caixia Yuan
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102. China
| | - Yucen Yao
- College Pharmacy, Jiamusi University, 258 Xuefu Street, Jiamusi, Heilongjiang, 154007. China
| | - Tao Liu
- College Pharmacy, Harbin University of commerce, 1Xuehai Street, Harbin, Heilongjiang, 150028. China
| | - Ying Jin
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, 361003. China
| | - Chunrong Yang
- College Pharmacy, Jiamusi University, 258 Xuefu Street, Jiamusi, Heilongjiang, 154007, China. China
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634. Singapore
| | - Zibiao Li
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634. Singapore
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Bilbao ADV, Goldschmied J, Jang A, Ehrmann D, Kaplish N, Pitt B, Arnedt T, Sen S, Dalack G, Deldin PJ. A preliminary study on the relationship between sleep, depression and cardiovascular dysfunction in a 4 sample population. IJC HEART & VASCULATURE 2021; 35:100814. [PMID: 34258381 PMCID: PMC8253961 DOI: 10.1016/j.ijcha.2021.100814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 05/04/2021] [Accepted: 05/31/2021] [Indexed: 11/25/2022]
Abstract
Background Major Depressive Disorder (MDD) has been linked in the literature to poorer prognosis in patients with cardiovascular dysfunction, although the mechanisms of this relationship remain unclear. Underlying Sleep Disordered Breathing (SDB) serves as a potential candidate to explain this effect due to its downstream effects on inflammatory activation and decreased nitric oxide (NO) bioavailability, both of which have been shown to contribute to the pathophysiology of both MDD and cardiovascular disease (CVD). Methods This study utilizes overnight polysomnography and an inflammation panel to examine the links between cardiovascular dysfunction and sleep difficulties in control participants and patients diagnosed with SDB only, MDD only, and both SDB and MDD. Results Results demonstrate a strong positive relationship between sleep dysfunction and the nitric oxide synthesis inhibitor Symmetric Dimethyl Arginine (SDMA) in the MDD-only cohort, suggesting a link between SDMA-mediated NO dysregulation and CVD pathogenesis in individuals with MDD. Additionally, hypopneas, a form of sleep impairment characterized by partial reduction of airflow, were found to play a significant role in the relationship between SDB and cardiovascular dysfunction in MDD-only patients. Conclusions Results of this study demonstrate the need for widespread screening for SDB in MDD populations to detect predisposition to CVD, and also offer SDMA as a new potential target for CVD treatment in individuals with MDD.
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Affiliation(s)
| | | | - Angela Jang
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
| | - Daniel Ehrmann
- University of Michigan Medical School, Ann Arbor, MI, USA
| | - Neeraj Kaplish
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA
| | - Bertram Pitt
- University of Michigan Medical School, Department of Internal Medicine, Division of Cardiology, Cardiovascular Center, Ann Arbor, MI, USA
| | - Todd Arnedt
- University of Michigan Medical School, Department of Psychiatry, Ann Arbor, MI, USA
| | - Srijan Sen
- University of Michigan Medical School, Department of Psychiatry, Ann Arbor, MI, USA
| | - Gregory Dalack
- University of Michigan Medical School, Department of Psychiatry, Ann Arbor, MI, USA
| | - Patricia J Deldin
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
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63
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BDNF Impact on Biological Markers of Depression-Role of Physical Exercise and Training. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18147553. [PMID: 34300001 PMCID: PMC8307197 DOI: 10.3390/ijerph18147553] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/06/2021] [Accepted: 07/11/2021] [Indexed: 12/20/2022]
Abstract
Depression is the most common and devastating psychiatric disorder in the world. Its symptoms, especially during the pandemic, are observed in all age groups. Exercise training (ET) is well known as a non-pharmacological strategy to alleviate clinical depression. The brain-derived neurotrophic factor (BDNF) is one of the biological factors whose expression and secretion are intensified in response to ET. BDNF is also secreted by contracted skeletal muscle that likely exerts para-, auto- and endocrine effects, supporting the crosstalk between skeletal muscle and other distant organs/tissues, such as the nervous system. This finding suggests that they communicate and work together to induce improvements on mood, cognition, and learning processes as BDNF is the main player in the neurogenesis, growth, and survival of neurons. Therefore, BDNF has been recognized as a therapeutic factor in clinical depression, especially in response to ET. The underlying mechanisms through which ET impacts depression are varied. The aim of this review was to provide information of the biological markers of depression such as monoamines, tryptophan, endocannabinoids, markers of inflammatory processes (oxidative stress and cytokines) stress and sex hormones and their relationship to BDNF. In addition, we reviewed the effects of ET on BNDF expression and how it impacts depression as well as the potential mechanisms mediating this process, providing a better understanding of underlying ET-related mechanisms in depression.
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64
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Jones GH, Vecera CM, Pinjari OF, Machado-Vieira R. Inflammatory signaling mechanisms in bipolar disorder. J Biomed Sci 2021; 28:45. [PMID: 34112182 PMCID: PMC8194019 DOI: 10.1186/s12929-021-00742-6] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/08/2021] [Indexed: 12/12/2022] Open
Abstract
Bipolar disorder is a decidedly heterogeneous and multifactorial disease, with a high individual and societal burden. While not all patients display overt markers of elevated inflammation, significant evidence suggests that aberrant immune signaling contributes to all stages of the disease, and likely explains the elevated rates of comorbid inflammatory illnesses seen in this population. While individual systems have been intensely studied and targeted, a relative paucity of attention has been given to the interconnecting role of inflammatory signals therein. This review presents an updated overview of some of the most prominent pathophysiologic mechanisms in bipolar disorder, from mitochondrial, endoplasmic reticular, and calcium homeostasis, to purinergic, kynurenic, and hormonal/neurotransmitter signaling, showing inflammation to act as a powerful nexus between these systems. Several areas with a high degree of mechanistic convergence within this paradigm are highlighted to present promising future targets for therapeutic development and screening.
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Affiliation(s)
- Gregory H Jones
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston (UTHealth), 1941 East Road, Houston, TX, 77054, USA.
| | - Courtney M Vecera
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston (UTHealth), 1941 East Road, Houston, TX, 77054, USA
| | - Omar F Pinjari
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston (UTHealth), 1941 East Road, Houston, TX, 77054, USA
| | - Rodrigo Machado-Vieira
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston (UTHealth), 1941 East Road, Houston, TX, 77054, USA
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Lara-Espinosa JV, Arce-Aceves MF, Mata-Espinosa D, Barrios-Payán J, Marquina-Castillo B, Hernández-Pando R. The Therapeutic Effect of Intranasal Administration of Dexamethasone in Neuroinflammation Induced by Experimental Pulmonary Tuberculosis. Int J Mol Sci 2021; 22:ijms22115997. [PMID: 34206086 PMCID: PMC8199538 DOI: 10.3390/ijms22115997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 05/25/2021] [Accepted: 05/28/2021] [Indexed: 12/23/2022] Open
Abstract
Tuberculosis (TB) is an important infectious disease and a public health problem. The organs most frequently affected by TB are the lungs; despite this, it has been reported that TB patients suffer from depression and anxiety, which have been attributed to social factors. In previous experimental work, we observed that the extensive pulmonary inflammation characteristic of TB with high cytokine production induces neuroinflammation, neuronal death and behavioral abnormalities in the absence of brain infection. The objective of the present work was to reduce this neuroinflammation and avoid the psycho-affective disorders showed during pulmonary TB. Glucocorticoids (GCs) are the first-line treatment for neuroinflammation; however, their systemic administration generates various side effects, mostly aggravating pulmonary TB due to immunosuppression of cellular immunity. Intranasal administration is a route that allows drugs to be released directly in the brain through the olfactory nerve, reducing their doses and side effects. In the present work, dexamethasone’s (DEX) intranasal administration was evaluated in TB BALB /c mice comparing three different doses (0.05, 0.25 and 2.5 mg/kg BW) on lung disease evolution, neuroinflammation and behavioral alterations. Low doses of dexamethasone significantly decreased neuroinflammation, improving behavioral status without aggravating lung disease.
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66
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Sakamoto S, Mallah D, Medeiros DJ, Dohi E, Imai T, Rose IVL, Matoba K, Zhu X, Kamiya A, Kano SI. Alterations in circulating extracellular vesicles underlie social stress-induced behaviors in mice. FEBS Open Bio 2021; 11:2678-2692. [PMID: 34043886 PMCID: PMC8487053 DOI: 10.1002/2211-5463.13204] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 05/04/2021] [Accepted: 05/25/2021] [Indexed: 11/17/2022] Open
Abstract
Chronic stress induces peripheral and intracerebral immune changes and inflammation, contributing to neuropathology and behavioral abnormalities relevant to psychiatric disorders such as depression. Although the pathological implication of many peripheral factors such as pro‐inflammatory cytokines, hormones, and macrophages has been demonstrated, the roles of circulating extracellular vesicles (EVs) for chronic stress mechanisms remain poorly investigated. Here, we report that chronic social defeat stress (CSDS)‐induced social avoidance phenotype, assessed by a previously untested three‐chamber social approach test, can be distinguished by multiple pro‐inflammatory cytokines and EV‐associated molecular signatures in the blood. We found that the expression patterns of miRNAs distinguished the CSDS‐susceptible mice from the CSDS‐resilient mice. Social avoidance behavior scores were also estimated with good accuracy by the expression patterns of multiple EV‐associated miRNAs. We also demonstrated that EVs enriched from the CSDS‐susceptible mouse sera upregulated the production of pro‐inflammatory cytokines in the LPS‐stimulated microglia‐like cell lines. Our results indicate the role of circulating EVs and associated miRNAs in CSDS susceptibility, which may be related to pro‐inflammatory mechanisms underlying stress‐induced neurobehavioral outcomes.
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Affiliation(s)
- Shinji Sakamoto
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Dania Mallah
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA
| | - Destynie J Medeiros
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA
| | - Eisuke Dohi
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA
| | - Takashi Imai
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Indigo V L Rose
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ken Matoba
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA
| | - Xiaolei Zhu
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Atsushi Kamiya
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Shin-Ichi Kano
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA
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Huang L, Lafaille JJ, Yang G. Learning-dependent dendritic spine plasticity is impaired in spontaneous autoimmune encephalomyelitis. Dev Neurobiol 2021; 81:736-745. [PMID: 33949123 DOI: 10.1002/dneu.22827] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 04/22/2021] [Accepted: 04/25/2021] [Indexed: 11/12/2022]
Abstract
Cognitive impairment is often observed in multiple sclerosis and its animal models, experimental autoimmune encephalomyelitis (EAE). Using mice with immunization-induced EAE, we have previously shown that the stability of cortical synapses is markedly decreased before the clinical onset of EAE. In this study, we examined learning-dependent structural synaptic plasticity in a spontaneous EAE model. Transgenic mice expressing myelin basic protein-specific T cell receptor genes develop EAE spontaneously at around 8 weeks of age. Using in vivo two-photon microscopy, we found that the elimination and formation rates of postsynaptic dendritic spines in somatosensory and motor cortices increased weeks before detectable signs of EAE and remained to be high during the disease onset. Despite the elevated basal spine turnover, motor learning-induced spine formation was reduced in presymptomatic EAE mice, in line with their impaired ability to retain learned motor skills. Additionally, we found a substantial elevation of IFN-γ mRNA in the brain of 4-week-old presymptomatic mice, and treatment of anti-IFN-γ antibody reduced dendritic spine elimination in the cortex. Together, these findings reveal synaptic instability and failure to form new synapses after learning as early brain pathology of EAE, which may contribute to cognitive and behavioral deficits seen in autoimmune diseases.
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Affiliation(s)
- Lianyan Huang
- Department of Anesthesiology, New York University School of Medicine, New York, NY, USA.,Neuroscience Program, Guangdong Provincial Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Juan J Lafaille
- Skirball Institute, Department of Pathology, New York University School of Medicine, New York, NY, USA
| | - Guang Yang
- Department of Anesthesiology, New York University School of Medicine, New York, NY, USA.,Department of Anesthesiology, Columbia University Medical Center, New York, NY, USA
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68
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Hruska V, Shivappa N, Hébert JR, Duncan AM, Haines J, Ma DWL. Associations between Family-Based Stress and Dietary Inflammatory Potential among Families with Preschool-Aged Children. Nutrients 2021; 13:nu13051464. [PMID: 33925798 PMCID: PMC8145143 DOI: 10.3390/nu13051464] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/12/2021] [Accepted: 04/23/2021] [Indexed: 12/28/2022] Open
Abstract
Chronic stress is known to influence dietary choices, and stressed families often report poorer diet quality; however, little is known about how family-based stress is linked with dietary patterns that promote inflammation. This study investigated associations between family-based stress and the inflammatory potential of the diet among preschool-aged children and their parents. Parents (n = 212 mothers, n = 146 fathers) and children (n = 130 girls, n = 123 boys; aged 18 months to 5 years) from 241 families participating in the Guelph Family Health Study were included in the analyses. Parents reported levels of parenting distress, depressive symptoms, household chaos, and family functioning. The inflammatory potential of parents' and children's diets was quantified using the Dietary Inflammatory Index (DII®), adjusted for total energy intake (i.e., the E-DIITM). E-DII scores were regressed onto family stress using generalized estimating equations to account for shared variance among family clusters. Compared to those in homes with low chaos, parents in chaotic homes had significantly more proinflammatory dietary profiles (β = 0.973; 95% CI: 0.321, 1.624, p = 0.003). Similarly, compared to those in well-functioning families, parents in dysfunctional families had significantly more proinflammatory dietary profiles (β = 0.967; 95% CI: 0.173, 1.761, p = 0.02). No significant associations were found between parents' E-DII scores and parenting distress or depressive symptoms, nor were any associations found for children's E-DII scores. Results were not found to differ between males and females. Parents in chaotic or dysfunctional family environments may be at increased risk of chronic disease due to proinflammatory dietary profiles. Children's dietary inflammatory profiles were not directly associated with family stress; however, indirect connections through family food-related behaviours may exist. Future research should prioritize elucidating these mechanisms.
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Affiliation(s)
- Valerie Hruska
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Nitin Shivappa
- Cancer Prevention and Control Program, University of South Carolina, Columbia, SC 29208, USA
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
- Department of Nutrition, Connecting Health Innovations LLC, Columbia, SC 29201, USA
| | - James R Hébert
- Cancer Prevention and Control Program, University of South Carolina, Columbia, SC 29208, USA
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
- Department of Nutrition, Connecting Health Innovations LLC, Columbia, SC 29201, USA
| | - Alison M Duncan
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Jess Haines
- Department of Family Relations and Applied Nutrition, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - David W L Ma
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
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69
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Perlmutter A. Immunological Interfaces: The COVID-19 Pandemic and Depression. Front Neurol 2021; 12:657004. [PMID: 33967944 PMCID: PMC8102701 DOI: 10.3389/fneur.2021.657004] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/29/2021] [Indexed: 12/17/2022] Open
Abstract
Since the start of the spread of the coronavirus disease 2019 (COVID-19) pandemic, an international effort has sought to better characterize associated extra-pulmonary health sequelae. The acute and or chronic detrimental impact of SARS-CoV-2 infection on mental health, especially depression, is increasingly described. Simultaneously the pandemic has influenced depressive symptomatology by modifying economic, social and political structures, in addition to affecting daily routines. In both cases, associated immunological perturbations favoring a pro-inflammatory state could underlie an increased risk for depressive symptomatology. A resultant elevation in global depressive burden could further tax mental health care infrastructure and contribute to a range of worse health outcomes including diminished quality of life. This suggests a critical and time-sensitive need to better understand immune interfaces between depression and COVID-19.
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70
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Bonaterra GA, Mierau O, Hofmann J, Schwarzbach H, Aziz-Kalbhenn H, Kolb C, Kinscherf R. In Vitro Effects of St. John's Wort Extract Against Inflammatory and Oxidative Stress and in the Phagocytic and Migratory Activity of Mouse SIM-A9 Microglia. Front Pharmacol 2021; 11:603575. [PMID: 33628177 PMCID: PMC7898673 DOI: 10.3389/fphar.2020.603575] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 11/10/2020] [Indexed: 12/28/2022] Open
Abstract
Introduction: Herbal medicinal plants as Hypericum perforatum L., known as St. John’s wort (SJW) have been in use for a long time. SJW that is specifically used for the treatment of depressive disorders. Inflammatory cytokines derived from microglia play an important role in the regulation of the synthesis and reuptake of glutamate and influence synaptic function, morphology and neuronal plasticity. The present study was performed to investigate, whether STW3-VI, a special SJW extract has protective effects on mouse SIM-A9 microglia against cytotoxic and proinflammatory effects of ROS, glutamate, NMDA or cortisol. Additionally, we investigated the effects of SJW on migratory and phagocytic properties of microglia. Results: Pre-treatment (48 h) of microglia with STW3-VI (5 or 10 μg/ml)—in contrast to desipramine—inhibited the H2O2-induced TNF-α release by 20–40%. Pre-treatment (48 h) of microglia with STW3-VI (5 or 10 μg/ml) delayed the 3 or 4 mM H2O2-induced intracellular ROS level by 26.9 and 44.4%, respectively. Furthermore, pre-treatment (48 h) of microglia with STW3-VI (5 μg/ml) - in contrast to desipramine - lowered the glutamate-induced cytotoxicity by 13.2%. Besides, pre-treatment (48 h) of microglia with STW3-VI (5 or 10 μg/ml) or desipramine (5 µM) inhibited the NMDA-induced decrease of the viability by 16.5–28.8% or 12%, respectively. Finally, pre-treatment (48 h) of microglia with STW3-VI (5 or 10 μg/ml)—in contrast to desipramine - reduced the cortisol-induced cytotoxicity by 15.5 and 12.9%. Treatment of microglia with STW3-VI (10 or 100 μg/ml) increased the migratory and the phagocytic capacities by 100 and 40%. Conclusion: Our data provide evidence that STW3-VI—in contrast to desipramine - protects microglia from oxidative stress, NMDA- or glutamate-induced cytotoxicity, and has anti-inflammatory properties that are accompanied by improvement of their migratory and phagocytic capacity. These protective (particularly the anti-inflammatory) properties may be beneficial in the treatment of depressive disorders.
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Affiliation(s)
- Gabriel A Bonaterra
- Department of Medical Cell Biology, Anatomy and Cell Biology, University of Marburg, Marburg, Germany
| | - Olga Mierau
- Department of Medical Cell Biology, Anatomy and Cell Biology, University of Marburg, Marburg, Germany
| | - Johanna Hofmann
- Department of Medical Cell Biology, Anatomy and Cell Biology, University of Marburg, Marburg, Germany
| | - Hans Schwarzbach
- Department of Medical Cell Biology, Anatomy and Cell Biology, University of Marburg, Marburg, Germany
| | - Heba Aziz-Kalbhenn
- Bayer Consumer Health Division, Phytomedicines Supply and Development Center, Steigerwald Arzneimittelwerk GmbH, Darmstadt, Germany
| | - Christiane Kolb
- Bayer Consumer Health Division, Phytomedicines Supply and Development Center, Steigerwald Arzneimittelwerk GmbH, Darmstadt, Germany
| | - Ralf Kinscherf
- Department of Medical Cell Biology, Anatomy and Cell Biology, University of Marburg, Marburg, Germany
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71
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Roohi E, Jaafari N, Hashemian F. On inflammatory hypothesis of depression: what is the role of IL-6 in the middle of the chaos? J Neuroinflammation 2021; 18:45. [PMID: 33593388 PMCID: PMC7884972 DOI: 10.1186/s12974-021-02100-7] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/02/2021] [Indexed: 12/13/2022] Open
Abstract
Many patients with major depressive disorder (MDD) are reported to have higher levels of multiple inflammatory cytokines including interleukin 6 (IL-6). Recent studies both pre-clinical and clinical have advocated for the functional role of IL-6 in development of MDD and suggested a great potential for targeting this cytokine to open new avenues in pharmacotherapy of depression. The purpose of the present narrative review was to provide an integrated account of how IL-6 may contribute to development of depression. All peer-reviewed journal articles published before July 2020 for each area discussed were searched by WOS, PubMed, MEDLINE, Scopus, Google Scholar, for original research, review articles, and book chapters. Publications between 1980 and July 2020 were included. Alterations in IL-6 levels, both within the periphery and the brain, most probably contribute to depression symptomatology in numerous ways. As IL-6 acts on multiple differing target tissues throughout the body, dysregulation of this particular cytokine can precipitate a multitude of events relevant to depression and blocking its effects can prevent further escalation of inflammatory responses, and potentially pave the way for opening new avenues in diagnosis, treatment, and prevention of this debilitating disorder.
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Affiliation(s)
- Elnaz Roohi
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99 Yakhchal Street, Shariati Avenue, Tehran, 1941933111, Iran
| | - Nematollah Jaafari
- Université de Poitiers, Unité de recherche clinique intersectorielle Pierre Deniker du Centre Hospitalier Henri Laborit F-86022 France, Groupement De Recherche CNRS 3557, Poitiers, France
| | - Farshad Hashemian
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99 Yakhchal Street, Shariati Avenue, Tehran, 1941933111, Iran.
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Kaul D, Schwab SG, Mechawar N, Matosin N. How stress physically re-shapes the brain: Impact on brain cell shapes, numbers and connections in psychiatric disorders. Neurosci Biobehav Rev 2021; 124:193-215. [PMID: 33556389 DOI: 10.1016/j.neubiorev.2021.01.025] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/20/2021] [Accepted: 01/31/2021] [Indexed: 12/16/2022]
Abstract
Severe stress is among the most robust risk factors for the development of psychiatric disorders. Imaging studies indicate that life stress is integral to shaping the human brain, especially regions involved in processing the stress response. Although this is likely underpinned by changes to the cytoarchitecture of cellular networks in the brain, we are yet to clearly understand how these define a role for stress in human psychopathology. In this review, we consolidate evidence of macro-structural morphometric changes and the cellular mechanisms that likely underlie them. Focusing on stress-sensitive regions of the brain, we illustrate how stress throughout life may lead to persistent remodelling of the both neurons and glia in cellular networks and how these may lead to psychopathology. We support that greater translation of cellular alterations to human cohorts will support parsing the psychological sequalae of severe stress and improve our understanding of how stress shapes the human brain. This will remain a critical step for improving treatment interventions and prevention outcomes.
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Affiliation(s)
- Dominic Kaul
- Illawarra Health and Medical Research Institute, Northfields Ave, Wollongong 2522, Australia; Molecular Horizons, School of Chemistry and Molecular Biosciences, University of Wollongong, Northfields Ave, Wollongong 2522, Australia
| | - Sibylle G Schwab
- Illawarra Health and Medical Research Institute, Northfields Ave, Wollongong 2522, Australia; Molecular Horizons, School of Chemistry and Molecular Biosciences, University of Wollongong, Northfields Ave, Wollongong 2522, Australia
| | - Naguib Mechawar
- Douglas Mental Health University Institute, 6875 LaSalle blvd, Verdun, Qc, H4H 1R3, Canada
| | - Natalie Matosin
- Illawarra Health and Medical Research Institute, Northfields Ave, Wollongong 2522, Australia; Molecular Horizons, School of Chemistry and Molecular Biosciences, University of Wollongong, Northfields Ave, Wollongong 2522, Australia; Max Planck Institute of Psychiatry, Kraepelinstrasse 2-10, 80804 Munich, Germany.
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73
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Jauhari A, Baranov SV, Suofu Y, Kim J, Singh T, Yablonska S, Li F, Wang X, Oberly P, Minnigh MB, Poloyac SM, Carlisle DL, Friedlander RM. Melatonin inhibits cytosolic mitochondrial DNA-induced neuroinflammatory signaling in accelerated aging and neurodegeneration. J Clin Invest 2021; 130:3124-3136. [PMID: 32182222 DOI: 10.1172/jci135026] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 03/05/2020] [Indexed: 12/19/2022] Open
Abstract
Chronic inflammation is a pathologic feature of neurodegeneration and aging; however, the mechanism regulating this process is not understood. Melatonin, an endogenous free radical scavenger synthesized by neuronal mitochondria, decreases with aging and neurodegeneration. We proposed that insufficient melatonin levels impair mitochondrial homeostasis, resulting in mitochondrial DNA (mtDNA) release and activation of cytosolic DNA-mediated inflammatory response in neurons. We found increased mitochondrial oxidative stress and decreased mitochondrial membrane potential, with higher mtDNA release in brain and primary cerebro-cortical neurons of melatonin-deficient aralkylamine N-acetyltransferase (AANAT) knockout mice. Cytosolic mtDNA activated the cGAS/STING/IRF3 pathway, stimulating inflammatory cytokine generation. We found that Huntington's disease mice had increased mtDNA release, cGAS activation, and inflammation, all inhibited by exogenous melatonin. Thus, we demonstrated that cytosolic mtDNA activated the inflammatory response in aging and neurodegeneration, a process modulated by melatonin. Furthermore, our data suggest that AANAT knockout mice are a model of accelerated aging.
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Affiliation(s)
| | | | | | - Jinho Kim
- Department of Neurological Surgery and
| | | | | | - Fang Li
- Department of Neurological Surgery and
| | | | - Patrick Oberly
- Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - M Beth Minnigh
- Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Samuel M Poloyac
- Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Belge JB, van Diermen L, Sabbe B, Parizel P, Morrens M, Coppens V, Constant E, de Timary P, Sienaert P, Schrijvers D, van Eijndhoven P. Inflammation, Hippocampal Volume, and Therapeutic Outcome following Electroconvulsive Therapy in Depressive Patients: A Pilot Study. Neuropsychobiology 2021; 79:222-232. [PMID: 32114575 DOI: 10.1159/000506133] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 01/20/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Electroconvulsive therapy (ECT) influences the concentration of peripheral inflammatory markers, such as interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α). In which way this immune effect contributes to the impact of ECT on the central nervous system in depression remains unknown. OBJECTIVE The aim of this study was to examine whether the hippocampal volumetric increase in depressed patients treated with ECT is related to changes in peripheral IL-6 and TNF-α levels. METHODS IL-6 and TNF-α plasma levels were measured in 62 patients 1 week before and after an acute course of ECT. Hippocampal volumes were analyzed in a magnetic resonance imaging (MRI) subsample of 13 patients at the same time points. RESULTS A significant decrease in IL-6 levels was observed in the total sample and a significant increase in hippocampal volume in the MRI subsample. The reduction of peripheral IL-6 correlated with an increase in total hippocampal volume. A more limited decrease of TNF-α correlated with a more limited increase of both the total and left hippocampus volumes. CONCLUSION This pilot study is the first to highlight the link between peripheral immune changes and hippocampal volume increase following ECT. Further research is required to conclude whether ECT indeed exerts its central effect on the brain via changes of peripheral inflammatory markers.
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Affiliation(s)
- Jan-Baptist Belge
- Department of Psychiatry, University Psychiatric Center Duffel, Duffel, Belgium, .,Department of Psychiatry, Collaborative Antwerp Psychiatric Research Institute (CAPRI), Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium, .,Department of Radiology, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium,
| | - Linda van Diermen
- Department of Psychiatry, University Psychiatric Center Duffel, Duffel, Belgium.,Department of Psychiatry, Collaborative Antwerp Psychiatric Research Institute (CAPRI), Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Bernard Sabbe
- Department of Psychiatry, University Psychiatric Center Duffel, Duffel, Belgium.,Department of Psychiatry, Collaborative Antwerp Psychiatric Research Institute (CAPRI), Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Paul Parizel
- Department of Radiology, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Manuel Morrens
- Department of Psychiatry, University Psychiatric Center Duffel, Duffel, Belgium.,Department of Psychiatry, Collaborative Antwerp Psychiatric Research Institute (CAPRI), Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Violette Coppens
- Department of Psychiatry, University Psychiatric Center Duffel, Duffel, Belgium.,Department of Psychiatry, Collaborative Antwerp Psychiatric Research Institute (CAPRI), Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Eric Constant
- Adult Psychiatry Department and Institute of Neuroscience, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Woluwe-Saint-Lambert, Belgium
| | - Philippe de Timary
- Adult Psychiatry Department and Institute of Neuroscience, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Woluwe-Saint-Lambert, Belgium
| | - Pascal Sienaert
- Department of Mood Disorders and Electroconvulsive Therapy, University Psychiatric Center, KU Leuven, Leuven, Belgium
| | - Didier Schrijvers
- Department of Psychiatry, University Psychiatric Center Duffel, Duffel, Belgium.,Department of Psychiatry, Collaborative Antwerp Psychiatric Research Institute (CAPRI), Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Philip van Eijndhoven
- Department of Psychiatry, Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
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Suicidality in Epilepsy: Does It Share Common Pathogenic Mechanisms with Epilepsy? Curr Top Behav Neurosci 2021; 55:209-250. [PMID: 33683680 DOI: 10.1007/7854_2021_220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Suicidality presents a major global health concern and its association with epilepsy has been suggested. The body of evidence is growing due to targeted epidemiological studies, genetic findings, and neuroimaging data, use of specific neuropsychiatric inventories, neuropsychological tests, and metabolic and immunological studies.Suicide tendencies and psychiatric comorbidity such as depression are not uncommon in chronic diseases, especially in epilepsy. Suicide is an important cause of death in epilepsy, and is usually underestimated. Persons with epilepsy have higher risk for suicide than healthy controls. It appears that some epilepsy types have stronger tendencies for suicide, in particular temporal lobe epilepsy. The suicidal risk factors in persons with epilepsy include difficult to treat epilepsies, onset of epilepsy at an earlier age, and comorbid depression.This clinical evidence is mostly based on observational studies in which we found an increased risk of suicidal ideation, suicidal attempts, and completed suicides in persons with epilepsy. However, we lack prospective and longitudinal studies on suicide in epilepsy. In this chapter we will examine recent research in neurobiological mechanisms between suicidality and epilepsy, and comorbid depression.
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76
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Jiang N, Wang H, Huang H, Lv J, Zeng G, Wang Q, Bao Y, Chen Y, Liu X. The Antidepressant-Like Effects of Shen Yuan in a Chronic Unpredictable Mild Stress Rat Model. Front Psychiatry 2021; 12:622204. [PMID: 33584387 PMCID: PMC7876232 DOI: 10.3389/fpsyt.2021.622204] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/04/2021] [Indexed: 12/16/2022] Open
Abstract
Depression is a common yet severe neuropsychiatric condition that causes imposes considerable personal, economic, and social burdens worldwide. Medicinal plant species (e.g., Panax ginseng and Polygala tenuifolia) demonstrate potent antidepressant-like effects with less toxicity and other side effects. Shen yuan prescription (SY), composed of Panax ginseng (GT) and Polygala tenuifolia (YT). The present study aimed to elucidate the effects of SY treatment on chronic unpredictable mild stress (CUMS) rats and study the underlying mechanism. Our results indicated that SY (67.5, 135, or 270 mg/kg) significantly reverses the depressive-like behaviors in rats with a 5-week CUMS exposure, as demonstrated by increased sucrose consumption in the sucrose preference test, and decreased immobility time in the tail suspension and forced swim test. Moreover, SY altered serum corticosterone levels, pro-inflammatory cytokines (IL-6, IL-1β, and TNF-α), and oxidative markers (SOD, CAT, and MDA), and increased the levels of hippocampal neurotransmitters (5-HT, DA, and NE) in rats exposed to CUMS. Furthermore, rats treated with SY showed a reduction in the protein expression of BDNF, p-TrkB, p-Akt, and p-mTOR proteins induced by CUMS exposure in the hippocampus. In conclusion, SY prevented depressive-like behaviors in CUMS-exposed rats by preventing hypothalamus-pituitary-adrenal axis dysfunction, decreasing the levels of the neurotransmitters, minimizing oxidative stress, suppressing neuroinflammation, and activating the PI3K/Akt/mTOR-mediated BDNF/TrkB pathway, all of which are the key players in the pathological basis of depression.
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Affiliation(s)
- Ning Jiang
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Haixia Wang
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hong Huang
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jingwei Lv
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guirong Zeng
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiong Wang
- Affiliated Traditional Chinese Medicine Hospital/School of Pharmacy/Sino-Portugal TCM International Cooperation Center, Southwest Medical University, Luzhou, China
| | - Yu Bao
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ying Chen
- Institute of Chinese Materia Medical, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xinmin Liu
- Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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77
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Staurenghi E, Cerrato V, Gamba P, Testa G, Giannelli S, Leoni V, Caccia C, Buffo A, Noble W, Perez-Nievas BG, Leonarduzzi G. Oxysterols present in Alzheimer's disease brain induce synaptotoxicity by activating astrocytes: A major role for lipocalin-2. Redox Biol 2020; 39:101837. [PMID: 33360775 PMCID: PMC7772793 DOI: 10.1016/j.redox.2020.101837] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 12/14/2020] [Accepted: 12/14/2020] [Indexed: 01/19/2023] Open
Abstract
Among Alzheimer's disease (AD) brain hallmarks, the presence of reactive astrocytes was demonstrated to correlate with neuronal loss and cognitive deficits. Evidence indeed supports the role of reactive astrocytes as mediators of changes in neurons, including synapses. However, the complexity and the outcomes of astrocyte reactivity are far from being completely elucidated. Another key role in AD pathogenesis is played by alterations in brain cholesterol metabolism. Oxysterols (cholesterol oxidation products) are crucial for brain cholesterol homeostasis, and we previously demonstrated that changes in the brain levels of various oxysterols correlate with AD progression. Moreover, oxysterols have been shown to contribute to various pathological mechanisms involved in AD pathogenesis. In order to deepen the role of oxysterols in AD, we investigated whether they could contribute to astrocyte reactivity, and consequently impact on neuronal health. Results showed that oxysterols present in mild or severe AD brains induce a clear morphological change in mouse primary astrocytes, accompanied by the upregulation of some reactive astrocyte markers, including lipocalin-2 (Lcn2). Moreover, astrocyte conditioned media analysis revealed a significant increase in the release of Lcn2, cytokines, and chemokines in response to oxysterols. A significant reduction of postsynaptic density protein 95 (PSD95) and a concurrent increase in cleaved caspase-3 protein levels have been demonstrated in neurons co-cultured with oxysterol-treated astrocytes, pointing out that mediators released by astrocytes have an impact on neurons. Among these mediators, Lcn2 has been demonstrated to play a major role on synapses, affecting neurite morphology and decreasing dendritic spine density. These data demonstrated that oxysterols present in the AD brain promote astrocyte reactivity, determining the release of several mediators that affect neuronal health and synapses. Lcn2 has been shown to exert a key role in mediating the synaptotoxic effect of oxysterol-treated astrocytes.
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Affiliation(s)
- Erica Staurenghi
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Turin, Italy.
| | - Valentina Cerrato
- Department of Neuroscience Rita Levi-Montalcini, University of Turin, Turin, Italy; Neuroscience Institute Cavalieri Ottolenghi, Orbassano, Turin, Italy
| | - Paola Gamba
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Turin, Italy
| | - Gabriella Testa
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Turin, Italy
| | - Serena Giannelli
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Turin, Italy
| | - Valerio Leoni
- Department of Medicine and Surgery, University of Milan-Bicocca, Desio, Monza-Brianza (MB), Italy
| | - Claudio Caccia
- Unit of Medical Genetics and Neurogenetics, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Annalisa Buffo
- Department of Neuroscience Rita Levi-Montalcini, University of Turin, Turin, Italy; Neuroscience Institute Cavalieri Ottolenghi, Orbassano, Turin, Italy
| | - Wendy Noble
- Institute of Psychiatry, Psychology and Neuroscience, Department of Basic and Clinical Neuroscience, King's College London, London, UK
| | - Beatriz Gomez Perez-Nievas
- Institute of Psychiatry, Psychology and Neuroscience, Department of Basic and Clinical Neuroscience, King's College London, London, UK
| | - Gabriella Leonarduzzi
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Turin, Italy
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78
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Lara-Espinosa JV, Santana-Martínez RA, Maldonado PD, Zetter M, Becerril-Villanueva E, Pérez-Sánchez G, Pavón L, Mata-Espinosa D, Barrios-Payán J, López-Torres MO, Marquina-Castillo B, Hernández-Pando R. Experimental Pulmonary Tuberculosis in the Absence of Detectable Brain Infection Induces Neuroinflammation and Behavioural Abnormalities in Male BALB/c Mice. Int J Mol Sci 2020; 21:ijms21249483. [PMID: 33322180 PMCID: PMC7763936 DOI: 10.3390/ijms21249483] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/01/2020] [Accepted: 12/11/2020] [Indexed: 12/30/2022] Open
Abstract
Tuberculosis (TB) is a chronic infectious disease in which prolonged, non-resolutive inflammation of the lung may lead to metabolic and neuroendocrine dysfunction. Previous studies have reported that individuals coursing pulmonary TB experience cognitive or behavioural changes; however, the pathogenic substrate of such manifestations have remained unknown. Here, using a mouse model of progressive pulmonary TB, we report that, even in the absence of brain infection, TB is associated with marked increased synthesis of both inflammatory and anti-inflammatory cytokines in discrete brain areas such as the hypothalamus, the hippocampal formation and cerebellum accompanied by substantial changes in the synthesis of neurotransmitters. Moreover, histopathological findings of neurodegeneration and neuronal death were found as infection progressed with activation of p38, JNK and reduction in the BDNF levels. Finally, we perform behavioural analysis in infected mice throughout the infection, and our data show that the cytokine and neurochemical changes were associated with a marked onset of cognitive impairment as well as depressive- and anxiety-like behaviour. Altogether, our results suggest that besides pulmonary damage, TB is accompanied by an extensive neuroinflammatory and neurodegenerative state which explains some of the behavioural abnormalities found in TB patients.
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Affiliation(s)
- Jacqueline V. Lara-Espinosa
- Sección de Patología Experimental, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, CDMX 14080, Mexico; (J.V.L.-E.); (M.Z.); (D.M.-E.); (J.B.-P.); (M.O.L.-T.)
| | - Ricardo A. Santana-Martínez
- Laboratorio de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, CDMX 04510, Mexico;
| | - Perla D. Maldonado
- Laboratorio de Patología Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, CDMX 14269, Mexico;
| | - Mario Zetter
- Sección de Patología Experimental, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, CDMX 14080, Mexico; (J.V.L.-E.); (M.Z.); (D.M.-E.); (J.B.-P.); (M.O.L.-T.)
| | - Enrique Becerril-Villanueva
- Departamento de Psicoinmunologia, Instituto Nacional de Psiquiatria Ramón de la Fuente, CDMX 14370, Mexico; (E.B.-V.); (G.P.-S.); (L.P.)
| | - Gilberto Pérez-Sánchez
- Departamento de Psicoinmunologia, Instituto Nacional de Psiquiatria Ramón de la Fuente, CDMX 14370, Mexico; (E.B.-V.); (G.P.-S.); (L.P.)
| | - Lenin Pavón
- Departamento de Psicoinmunologia, Instituto Nacional de Psiquiatria Ramón de la Fuente, CDMX 14370, Mexico; (E.B.-V.); (G.P.-S.); (L.P.)
| | - Dulce Mata-Espinosa
- Sección de Patología Experimental, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, CDMX 14080, Mexico; (J.V.L.-E.); (M.Z.); (D.M.-E.); (J.B.-P.); (M.O.L.-T.)
| | - Jorge Barrios-Payán
- Sección de Patología Experimental, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, CDMX 14080, Mexico; (J.V.L.-E.); (M.Z.); (D.M.-E.); (J.B.-P.); (M.O.L.-T.)
| | - Manuel O. López-Torres
- Sección de Patología Experimental, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, CDMX 14080, Mexico; (J.V.L.-E.); (M.Z.); (D.M.-E.); (J.B.-P.); (M.O.L.-T.)
| | - Brenda Marquina-Castillo
- Sección de Patología Experimental, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, CDMX 14080, Mexico; (J.V.L.-E.); (M.Z.); (D.M.-E.); (J.B.-P.); (M.O.L.-T.)
- Correspondence: (B.M.-C.); (R.H.-P.)
| | - Rogelio Hernández-Pando
- Sección de Patología Experimental, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, CDMX 14080, Mexico; (J.V.L.-E.); (M.Z.); (D.M.-E.); (J.B.-P.); (M.O.L.-T.)
- Correspondence: (B.M.-C.); (R.H.-P.)
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Guo J, Liu Y, Guo X, Meng Y, Qi C, Zhao J, Di T, Zhang L, Guo X, Wang Y, Wang Y, Li P. Depressive-like behaviors in mice with Imiquimod-induced psoriasis. Int Immunopharmacol 2020; 89:107057. [PMID: 33242707 DOI: 10.1016/j.intimp.2020.107057] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/25/2020] [Accepted: 09/27/2020] [Indexed: 12/23/2022]
Abstract
Psoriasis is not only a chronic inflammatory skin disease but also a psychosomatic disorder. Depression is one of the most common associated diseases, which aggravates psoriatic skin lesions and affects the life quality of patients. Clinical experiments establish a correlation between psoriasis and depression; however, the mechanisms yet unclear because only a few related studies are available. Therefore, to investigate whether imiquimod-induced psoriasis-like mice showed depressive-like behavior, 5% imiquimod cream was smeared on the back of mice to induce psoriasis-like skin lesions for 8 days. Consequently, the psoriasis area and severity index (PASI) score, epidermal thickness, expression of Ki67 and CD3+ T lymphocyte, the content of IL-12p70, IL-17A, and IL-23 in skin lesions were increased. The psoriasis-like mice presented significant changes in body mass. The sugar water preference rate, the central area distance and area time, and the content of 3,4-dihydroxyphenylaceticacid (DOPAC) and noradrenaline (NE) in the prefrontal cortex, 5-hydroxytryptamine (5-HT), adrenaline (Ad), and DOPAC in the hippocampus, and Ad and γ-aminobutyric acid (GABA) in the hypothalamus of psoriasis-like mice were significantly decreased. The results showed that after the application of imiquimod, depressive-like behaviors appeared in psoriasis-like mice, and the secretion of related neurotransmitters was disordered. Thus, these mice could be used as animal models for studying psoriasis complicated with depression symptoms.
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Affiliation(s)
- Jianning Guo
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China; Beijing University of Chinese Medicine, Beijing 100029, China
| | - Yu Liu
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China; Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xiaoyao Guo
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China
| | - Yujiao Meng
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China; Beijing University of Chinese Medicine, Beijing 100029, China
| | - Cong Qi
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China
| | - Jingxia Zhao
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China
| | - Tingting Di
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China
| | - Lu Zhang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China
| | - Xinwei Guo
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China
| | - Yazhuo Wang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China
| | - Yan Wang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China.
| | - Ping Li
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing 100010, China.
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Panek MG, Karbownik MS, Kuna PB. Comparative analysis of clinical, physiological, temperamental and personality characteristics of elderly subjects and young subjects with asthma. PLoS One 2020; 15:e0241750. [PMID: 33156872 PMCID: PMC7647458 DOI: 10.1371/journal.pone.0241750] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 10/21/2020] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Asthma is a heterogeneous disease of a complex etiology in which genetic, environmental and personality variables are important factors determining the development of complicated strategies related to coping with stress and temperament traits. Our thesis is that coping styles in asthmatic patients are modified by the environment (chronic inflammation and stress) which affects individual temperament traits in the course of time. Thus, patient age is one of factors which determine the clinical image of asthma and its natural history. AIM The aim of the study was to evaluate the variables describing stress coping styles and temperament in young (18 to 35 years old) and elderly asthmatics (aged ≥60 years). MATERIAL AND METHODS A total of 200 patients, 104 elderly and 96 young asthmatics were enrolled in the study. Apart from medical examination, the following tests were performed in all subjects: the Formal Characteristics of Behavior- Temperament Inventory (FCB-TI), Coping Inventory for Stressful Situations (CISS), Beck Depression Inventory, State-Trait Anxiety Inventory, and Borg Rating of Perceived Exertion (RPE) Scale. RESULTS Elderly patients with asthma exhibited higher intensity of anxiety as a trait, a higher level of depression and experienced dyspnea, as well as higher levels of stress coping strategies such as Avoidance-Oriented Coping (AOC), Distraction Seeking (DS) and Social Diversion (SD) compared to young asthmatics. In elderly patients, Perseverance and Sensory Sensitivity traits have been observed to decline with the duration and development of asthma at later life stages as opposed to young asthmatics, in whom these temperament characteristics are elevated. CONCLUSIONS Asthma is a heterogeneous disease of a complex etiopathogenesis that has a complex interplay with mental health. The present study confirms a relationship between age and stress coping strategies as well as temperament traits.
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Affiliation(s)
- Michał G. Panek
- Medical University of Lodz, Department of Internal Medicine, Asthma and Allergy of the Medical University of Lodz, Lodz, Poland
- * E-mail:
| | - Michał S. Karbownik
- Medical University of Lodz, Department of Pharmacology and Toxicology of the Medical University of Lodz, Lodz, Poland
| | - Piotr B. Kuna
- Medical University of Lodz, Department of Internal Medicine, Asthma and Allergy of the Medical University of Lodz, Lodz, Poland
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81
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Supraspinal Mechanisms of Intestinal Hypersensitivity. Cell Mol Neurobiol 2020; 42:389-417. [PMID: 33030712 DOI: 10.1007/s10571-020-00967-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 09/22/2020] [Indexed: 12/13/2022]
Abstract
Gut inflammation or injury causes intestinal hypersensitivity (IHS) and hyperalgesia, which can persist after the initiating pathology resolves, are often referred to somatic regions and exacerbated by psychological stress, anxiety or depression, suggesting the involvement of both the spinal cord and the brain. The supraspinal mechanisms of IHS remain to be fully elucidated, however, over the last decades the series of intestinal pathology-associated neuroplastic changes in the brain has been revealed, being potentially responsible for the phenomenon. This paper reviews current clinical and experimental data, including the authors' own findings, on these functional, structural, and neurochemical/molecular changes within cortical, subcortical and brainstem regions processing and modulating sensory signals from the gut. As concluded in the review, IHS can develop and maintain due to the bowel inflammation/injury-induced persistent hyperexcitability of viscerosensory brainstem and thalamic nuclei and sensitization of hypothalamic, amygdala, hippocampal, anterior insular, and anterior cingulate cortical areas implicated in the neuroendocrine, emotional and cognitive modulation of visceral sensation and pain. An additional contribution may come from the pathology-triggered dysfunction of the brainstem structures inhibiting nociception. The mechanism underlying IHS-associated regional hyperexcitability is enhanced NMDA-, AMPA- and group I metabotropic receptor-mediated glutamatergic neurotransmission in association with altered neuropeptide Y, corticotropin-releasing factor, and cannabinoid 1 receptor signaling. These alterations are at least partially mediated by brain microglia and local production of cytokines, especially tumor necrosis factor α. Studying the IHS-related brain neuroplasticity in greater depth may enable the development of new therapeutic approaches against chronic abdominal pain in inflammatory bowel disease.
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Nordgreen J, Edwards SA, Boyle LA, Bolhuis JE, Veit C, Sayyari A, Marin DE, Dimitrov I, Janczak AM, Valros A. A Proposed Role for Pro-Inflammatory Cytokines in Damaging Behavior in Pigs. Front Vet Sci 2020; 7:646. [PMID: 33134341 PMCID: PMC7562715 DOI: 10.3389/fvets.2020.00646] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 08/10/2020] [Indexed: 12/28/2022] Open
Abstract
Sickness can change our mood for the worse, leaving us sad, lethargic, grumpy and less socially inclined. This mood change is part of a set of behavioral symptoms called sickness behavior and has features in common with core symptoms of depression. Therefore, the physiological changes induced by immune activation, for example following infection, are in the spotlight for explaining mechanisms behind mental health challenges such as depression. While humans may take a day off and isolate themselves until they feel better, farm animals housed in groups have only limited possibilities for social withdrawal. We suggest that immune activation could be a major factor influencing social interactions in pigs, with outbreaks of damaging behavior such as tail biting as a possible result. The hypothesis presented here is that the effects of several known risk factors for tail biting are mediated by pro-inflammatory cytokines, proteins produced by the immune system, and their effect on neurotransmitter systems. We describe the background for and implications of this hypothesis.
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Affiliation(s)
- Janicke Nordgreen
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Sandra A. Edwards
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Laura Ann Boyle
- Teagasc Animal and Grassland Research and Innovation Centre, Fermoy, Ireland
| | - J. Elizabeth Bolhuis
- Adaptation Physiology Group, Wageningen University & Research, Wageningen, Netherlands
| | - Christina Veit
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Amin Sayyari
- Department of Production Animal Clinical Science, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Daniela E. Marin
- National Institute for Research and Development for Biology and Animal Nutrition, Balotesti, Romania
| | | | - Andrew M. Janczak
- Department of Production Animal Clinical Science, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Anna Valros
- Department of Production Animal Medicine, Research Centre for Animal Welfare, University of Helsinki, Helsinki, Finland
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83
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Song Z, Shen F, Zhang Z, Wu S, Zhu G. Calpain inhibition ameliorates depression-like behaviors by reducing inflammation and promoting synaptic protein expression in the hippocampus. Neuropharmacology 2020; 174:108175. [DOI: 10.1016/j.neuropharm.2020.108175] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 05/20/2020] [Accepted: 05/26/2020] [Indexed: 02/08/2023]
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84
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Tian L, Pu J, Liu Y, Gui S, Zhong X, Song X, Xu S, Zhang H, Wang H, Zhou W, Xie P. Metabolomic analysis of animal models of depression. Metab Brain Dis 2020; 35:979-990. [PMID: 32440806 DOI: 10.1007/s11011-020-00574-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 04/14/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Our understanding of the molecular mechanisms of depression remains largely unclear. Previous studies have shown that the prefrontal cortex (PFC) is among most important brain regions that exhibits metabolic changes in depression. A comprehensive analysis based on candidate metabolites in the PFC of animal models of depression will provide valuable information for understanding the pathogenic mechanism underlying depression. METHODS Candidate metabolites that are potentially involved in the metabolic changes of the PFC in animal models of depression were retrieved from the Metabolite Network of Depression Database. The significantly altered metabolic pathways were revealed by canonical pathway analysis, and the relationships among altered pathways were explored by pathway crosstalk analysis. Additionally, drug-associated pathways were investigated using drug-associated metabolite set enrichment analysis. The interrelationships among metabolites, proteins, and other molecules were analyzed by molecular network analysis. RESULTS Among 88 candidate metabolites, 87 altered canonical pathways were identified, and the top five ranked pathways were tRNA charging, the endocannabinoid neuronal synapse pathway, (S)-reticuline biosynthesis II, catecholamine biosynthesis, and GABA receptor signaling. Pathway crosstalk analysis revealed that these altered pathways were grouped into three interlinked modules involved in amino acid metabolism, nervous system signaling/neurotransmitters, and nucleotide metabolism. In the drug-associated metabolite set enrichment analysis, the main enriched drug pathways were opioid-related and antibiotic-related action pathways. Furthermore, the most significantly altered molecular network was involved in amino acid metabolism, molecular transport, and small molecule biochemistry. CONCLUSIONS This study provides important clues for the metabolic characteristics of the PFC in depression.
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Affiliation(s)
- Lu Tian
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, China
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Juncai Pu
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Yiyun Liu
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Siwen Gui
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
- College of Biomedical Engineering, Chongqing Medical University, Chongqing, 400016, China
| | - Xiaogang Zhong
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, China
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Xuemian Song
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
- College of Biomedical Engineering, Chongqing Medical University, Chongqing, 400016, China
| | - Shaohua Xu
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Hanpin Zhang
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Haiyang Wang
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
- College of Biomedical Engineering, Chongqing Medical University, Chongqing, 400016, China
| | - Wei Zhou
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, China
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Peng Xie
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, China.
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China.
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China.
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85
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Bruno A, Dolcetti E, Rizzo FR, Fresegna D, Musella A, Gentile A, De Vito F, Caioli S, Guadalupi L, Bullitta S, Vanni V, Balletta S, Sanna K, Buttari F, Stampanoni Bassi M, Centonze D, Mandolesi G. Inflammation-Associated Synaptic Alterations as Shared Threads in Depression and Multiple Sclerosis. Front Cell Neurosci 2020; 14:169. [PMID: 32655374 PMCID: PMC7324636 DOI: 10.3389/fncel.2020.00169] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 05/19/2020] [Indexed: 12/11/2022] Open
Abstract
In the past years, several theories have been advanced to explain the pathogenesis of Major Depressive Disorder (MDD), a neuropsychiatric disease that causes disability in general population. Several theories have been proposed to define the MDD pathophysiology such as the classic "monoamine-theory" or the "glutamate hypothesis." All these theories have been recently integrated by evidence highlighting inflammation as a pivotal player in developing depressive symptoms. Proinflammatory cytokines have been indeed claimed to contribute to stress-induced mood disturbances and to major depression, indicating a widespread role of classical mediators of inflammation in emotional control. Moreover, during systemic inflammatory diseases, peripherally released cytokines circulate in the blood, reach the brain and cause anxiety, anhedonia, social withdrawal, fatigue, and sleep disturbances. Accordingly, chronic inflammatory disorders, such as the inflammatory autoimmune disease multiple sclerosis (MS), have been associated to higher risk of MDD, in comparison with overall population. Importantly, in both MS patients and in its experimental mouse model, Experimental Autoimmune Encephalomyelitis (EAE), the notion that depressive symptoms are reactive epiphenomenon to the MS pathology has been recently challenged by the evidence of their early manifestation, even before the onset of the disease. Furthermore, in association to such mood disturbance, inflammatory-dependent synaptic dysfunctions in several areas of MS/EAE brain have been observed independently of brain lesions and demyelination. This evidence suggests that a fine interplay between the immune and nervous systems can have a huge impact on several neurological functions, including depressive symptoms, in different pathological conditions. The aim of the present review is to shed light on common traits between MDD and MS, by looking at inflammatory-dependent synaptic alterations associated with depression in both diseases.
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Affiliation(s)
- Antonio Bruno
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
| | - Ettore Dolcetti
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
| | - Francesca Romana Rizzo
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
| | - Diego Fresegna
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy
| | - Alessandra Musella
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy
- Department of Human Sciences and Quality of Life Promotion, University of Rome San Raffaele, Rome, Italy
| | | | - Francesca De Vito
- Unit of Neurology, Mediterranean Neurological Institute IRCCS Neuromed, Pozzilli, Italy
| | - Silvia Caioli
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
| | - Livia Guadalupi
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
| | - Silvia Bullitta
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy
| | - Valentina Vanni
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy
| | - Sara Balletta
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
| | - Krizia Sanna
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
| | - Fabio Buttari
- Unit of Neurology, Mediterranean Neurological Institute IRCCS Neuromed, Pozzilli, Italy
| | | | - Diego Centonze
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University of Rome, Rome, Italy
- Unit of Neurology, Mediterranean Neurological Institute IRCCS Neuromed, Pozzilli, Italy
| | - Georgia Mandolesi
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy
- Department of Human Sciences and Quality of Life Promotion, University of Rome San Raffaele, Rome, Italy
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86
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Gosztonyi G, Ludwig H, Bode L, Kao M, Sell M, Petrusz P, Halász B. Obesity induced by Borna disease virus in rats: key roles of hypothalamic fast-acting neurotransmitters and inflammatory infiltrates. Brain Struct Funct 2020; 225:1459-1482. [PMID: 32394093 DOI: 10.1007/s00429-020-02063-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 03/21/2020] [Indexed: 12/30/2022]
Abstract
Human obesity epidemic is increasing worldwide with major adverse consequences on health. Among other possible causes, the hypothesis of an infectious contribution is worth it to be considered. Here, we report on an animal model of virus-induced obesity which might help to better understand underlying processes in human obesity. Eighty Wistar rats, between 30 and 60 days of age, were intracerebrally inoculated with Borna disease virus (BDV-1), a neurotropic negative-strand RNA virus infecting an unusually broad host spectrum including humans. Half of the rats developed fatal encephalitis, while the other half, after 3-4 months, continuously gained weight. At tripled weights, rats were sacrificed by trans-cardial fixative perfusion. Neuropathology revealed prevailing inflammatory infiltrates in the median eminence (ME), progressive degeneration of neurons of the paraventricular nucleus, the entorhinal cortex and the amygdala, and a strikingly high-grade involution of the hippocampus with hydrocephalus. Immune histology revealed that major BDV-1 antigens were preferentially present at glutamatergic receptor sites, while GABAergic areas remained free from BDV-1. Virus-induced suppression of the glutamatergic system caused GABAergic predominance. In the hypothalamus, this shifted the energy balance to the anabolic appetite-stimulating side governed by GABA, allowing for excessive fat accumulation in obese rats. Furthermore, inflammatory infiltrates in the ME and ventro-medial arcuate nucleus hindered free access of appetite-suppressing hormones leptin and insulin. The hormone transport system in hypothalamic areas outside the ME became blocked by excessively produced leptin, leading to leptin resistance. The resulting hyperleptinemic milieu combined with suppressed glutamatergic mechanisms was a characteristic feature of the found metabolic pathology. In conclusion, the study provided clear evidence that BDV-1 induced obesity in the rat model is the result of interdependent structural and functional metabolic changes. They can be explained by an immunologically induced hypothalamic microcirculation-defect, combined with a disturbance of neurotransmitter regulatory systems. The proposed mechanism may also have implications for human health. BDV-1 infection has been frequently found in depressive patients. Independently, comorbidity between depression and obesity has been reported, either. Future studies should address the exciting question of whether BDV-1 infection could be a link, whatsoever, between these two conditions.
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Affiliation(s)
- Georg Gosztonyi
- Institute of Neuropathology, Charité, University Medicine Berlin, 10117, Berlin, Germany.
| | - Hanns Ludwig
- Freelance Bornavirus Workgroup, 14163, Berlin, Germany
| | - Liv Bode
- Freelance Bornavirus Workgroup, 14163, Berlin, Germany
| | - Moujahed Kao
- Landesbetrieb Hessisches Landeslabor, 35392, Giessen, Germany
| | - Manfred Sell
- Division of Pathology, Martin Luther Hospital, 12351, Berlin, Germany
| | - Peter Petrusz
- Department of Cell and Developmental Biology, University of North Carolina At Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Béla Halász
- Neuromorphological and Neuroendocrine Research Laboratory, Semmelweis University, 1094, Budapest, Hungary
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87
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Kudryashova I, Stepanichev M, Manolova A, Gulyaeva N. Deficit of Long-Term Potentiation Induction, but Not Maintenance, in the Juvenile Hippocampus after Neonatal Proinflammatory Stress. Dev Neurosci 2020; 41:318-326. [PMID: 32369803 DOI: 10.1159/000507347] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 03/19/2020] [Indexed: 11/19/2022] Open
Abstract
CA3-CA1 long-term potentiation (LTP) in the hippocampal slices from juvenile Wistar rats was studied to reveal factors potentially contributing to different sensitivity to neonatal proinflammatory stress (NPS). NPS was induced by intra-peritoneal injections of bacterial lipopolysaccharide (LPS) to neonatal rats (two injections of LPS, or saline in the control group, consecutively on postnatal days 3 and 5 [PND3 and PND5]). In females, a significant effect of NPS on hippocampus development was associated with modifications of long-term synaptic plasticity, the synapses becoming more resistant to LTP induction. LTP deficit in the slices of the NPS group was not associated with a decrease in LTP maintenance, since late LTP generally corresponded to early LTP magnitude, similar in all groups. Moreover, partial correlation revealed significantly higher residual LTP 1 h after high-frequency stimulation in the NPS groups compared to the corresponding value of early LTP in the control groups, suggesting improved consolidation. Both effects were evident in NPS females. A number of males responded to NPS similarly to females, while others were relatively resistant to NPS exposure, a significant increase in variability of LTP magnitude being revealed in NPS males compared to respective females and the control groups. We suggest that postnatal development of long-term plasticity after NPS is similar in animals of both sexes; however, additional specific factor(s) may promote a relative resistance of the male brain.
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Affiliation(s)
- Irina Kudryashova
- Laboratory of Functional Biochemistry of the Nervous System, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russian Federation
| | - Mikhail Stepanichev
- Laboratory of Functional Biochemistry of the Nervous System, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russian Federation,
| | - Anna Manolova
- Laboratory of Functional Biochemistry of the Nervous System, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russian Federation
| | - Natalia Gulyaeva
- Laboratory of Functional Biochemistry of the Nervous System, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russian Federation
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88
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Sial OK, Parise EM, Parise LF, Gnecco T, Bolaños-Guzmán CA. Ketamine: The final frontier or another depressing end? Behav Brain Res 2020; 383:112508. [PMID: 32017978 PMCID: PMC7127859 DOI: 10.1016/j.bbr.2020.112508] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/15/2020] [Accepted: 01/23/2020] [Indexed: 12/12/2022]
Abstract
Two decades ago, the observation of a rapid and sustained antidepressant response after ketamine administration provided an exciting new avenue in the search for more effective therapeutics for the treatment of clinical depression. Research elucidating the mechanism(s) underlying ketamine's antidepressant properties has led to the development of several hypotheses, including that of disinhibition of excitatory glutamate neurons via blockade of N-methyl-d-aspartate (NMDA) receptors. Although the prominent understanding has been that ketamine's mode of action is mediated solely via the NMDA receptor, this view has been challenged by reports implicating other glutamate receptors such as AMPA, and other neurotransmitter systems such as serotonin and opioids in the antidepressant response. The recent approval of esketamine (Spravato™) for the treatment of depression has sparked a resurgence of interest for a deeper understanding of the mechanism(s) underlying ketamine's actions and safe therapeutic use. This review aims to present our current knowledge on both NMDA and non-NMDA mechanisms implicated in ketamine's response, and addresses the controversy surrounding the antidepressant role and potency of its stereoisomers and metabolites. There is much that remains to be known about our understanding of ketamine's antidepressant properties; and although the arrival of esketamine has been received with great enthusiasm, it is now more important than ever that its mechanisms of action be fully delineated, and both the short- and long-term neurobiological/functional consequences of its treatment be thoroughly characterized.
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MESH Headings
- Antidepressive Agents/pharmacology
- Antidepressive Agents/therapeutic use
- Depressive Disorder, Major/drug therapy
- Depressive Disorder, Treatment-Resistant/drug therapy
- Dopamine Plasma Membrane Transport Proteins/drug effects
- Excitatory Amino Acid Antagonists/pharmacology
- Excitatory Amino Acid Antagonists/therapeutic use
- Humans
- Ketamine/pharmacology
- Ketamine/therapeutic use
- Norepinephrine Plasma Membrane Transport Proteins/drug effects
- Receptor, Muscarinic M1/drug effects
- Receptors, AMPA/drug effects
- Receptors, Dopamine D2/drug effects
- Receptors, N-Methyl-D-Aspartate/drug effects
- Receptors, Opioid, delta/drug effects
- Receptors, Opioid, kappa/drug effects
- Receptors, Opioid, mu/drug effects
- Receptors, Serotonin, 5-HT3/drug effects
- Receptors, sigma/drug effects
- Serotonin Plasma Membrane Transport Proteins/drug effects
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Affiliation(s)
- Omar K Sial
- Texas A&M University: Department of Psychological and Brain Sciences, 4325 TAMU, College Station, TX, 77843, USA
| | - Eric M Parise
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY, 10029, USA
| | - Lyonna F Parise
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY, 10029, USA
| | - Tamara Gnecco
- Texas A&M University: Department of Psychological and Brain Sciences, 4325 TAMU, College Station, TX, 77843, USA
| | - Carlos A Bolaños-Guzmán
- Texas A&M University: Department of Psychological and Brain Sciences, 4325 TAMU, College Station, TX, 77843, USA.
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Eltokhi A, Janmaat IE, Genedi M, Haarman BCM, Sommer IEC. Dysregulation of synaptic pruning as a possible link between intestinal microbiota dysbiosis and neuropsychiatric disorders. J Neurosci Res 2020; 98:1335-1369. [PMID: 32239720 DOI: 10.1002/jnr.24616] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 02/16/2020] [Accepted: 02/26/2020] [Indexed: 02/06/2023]
Abstract
The prenatal and early postnatal stages represent a critical time window for human brain development. Interestingly, this window partly overlaps with the maturation of the intestinal flora (microbiota) that play a critical role in the bidirectional communication between the central and the enteric nervous systems (microbiota-gut-brain axis). The microbial composition has important influences on general health and the development of several organ systems, such as the gastrointestinal tract, the immune system, and also the brain. Clinical studies have shown that microbiota alterations are associated with a wide range of neuropsychiatric disorders including autism spectrum disorder, attention deficit hyperactivity disorder, schizophrenia, and bipolar disorder. In this review, we dissect the link between these neuropsychiatric disorders and the intestinal microbiota by focusing on their effect on synaptic pruning, a vital process in the maturation and establishing efficient functioning of the brain. We discuss in detail how synaptic pruning is dysregulated differently in the aforementioned neuropsychiatric disorders and how it can be influenced by dysbiosis and/or changes in the intestinal microbiota composition. We also review that the improvement in the intestinal microbiota composition by a change in diet, probiotics, prebiotics, or fecal microbiota transplantation may play a role in improving neuropsychiatric functioning, which can be at least partly explained via the optimization of synaptic pruning and neuronal connections. Altogether, the demonstration of the microbiota's influence on brain function via microglial-induced synaptic pruning addresses the possibility that the manipulation of microbiota-immune crosstalk represents a promising strategy for treating neuropsychiatric disorders.
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Affiliation(s)
- Ahmed Eltokhi
- Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, Eberhard Karls University Tubingen, Tubingen, Germany
| | - Isabel E Janmaat
- Department of Biomedical Sciences, Cells & Systems, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Mohamed Genedi
- Department of Biomedical Sciences, Cells & Systems, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Bartholomeus C M Haarman
- Department of Psychiatry, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Iris E C Sommer
- Department of Biomedical Sciences, Cells & Systems, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
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Zhao B, Wu J, Li J, Bai Y, Luo Y, Ji B, Xia B, Liu Z, Tan X, Lv J, Liu X. Lycopene Alleviates DSS-Induced Colitis and Behavioral Disorders via Mediating Microbes-Gut-Brain Axis Balance. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:3963-3975. [PMID: 32162923 DOI: 10.1021/acs.jafc.0c00196] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Gut microbes play significant roles in colitis development. The current study was aimed to uncover the preventive effects of lycopene (LYC), a functional carotenoid component, on colitis and the accompanied behavior disorders. The current study demonstrated that LYC treatment (50 mg/kg body weight/day) for 40 days prevented the dextran sulfate sodium (DSS)-induced gut barrier damages and inflammatory responses in male mice. LYC improved DSS-induced depression and anxiety-like behavioral disorders by suppressing neuroinflammation and prevented synaptic ultrastructure damages by upregulating the expressions of neurotrophic factor and postsynaptic-density protein. Moreover, LYC reshaped the gut microbiome in colitis mice by decreasing the relative abundance of proteobacteria and increasing the relative abundance of Bifidobacterium and Lactobacillus. LYC also elevated the generation of short-chain fatty acids and inhibited the permeability of lipopolysaccharide in colitis mice. In conclusion, LYC ameliorate DSS-induced colitis and behavioral disorders via mediating microbes-gut-brain axis balance.
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Affiliation(s)
- Beita Zhao
- College of Life Sciences, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
| | - Jianbin Wu
- College of Food Science and Engineering, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
| | - Jinghao Li
- College of Food Science and Engineering, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
| | - Yue Bai
- College of Food Science and Engineering, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
| | - Yong Luo
- College of Food Science and Engineering, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
| | - Bing Ji
- College of Food Science and Engineering, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
| | - Bing Xia
- College of Food Science and Engineering, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
| | - Zhigang Liu
- College of Food Science and Engineering, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
- Department of Food Science, Cornell University, Ithaca, 14850 New York, United States
| | - Xintong Tan
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - Jinyin Lv
- College of Life Sciences, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, Xinong Rd 22, Yangling 712100, China
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91
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Involvement of CX3CL1/CX3CR1 in depression and cognitive impairment induced by chronic unpredictable stress and relevant underlying mechanism. Behav Brain Res 2020; 381:112371. [DOI: 10.1016/j.bbr.2019.112371] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/15/2019] [Accepted: 11/19/2019] [Indexed: 02/07/2023]
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92
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Talamonti E, Sasso V, To H, Haslam RP, Napier JA, Ulfhake B, Pernold K, Asadi A, Hessa T, Jacobsson A, Chiurchiù V, Viscomi MT. Impairment of DHA synthesis alters the expression of neuronal plasticity markers and the brain inflammatory status in mice. FASEB J 2020; 34:2024-2040. [PMID: 31909582 PMCID: PMC7384056 DOI: 10.1096/fj.201901890rr] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 11/02/2019] [Accepted: 11/04/2019] [Indexed: 12/17/2022]
Abstract
Docosahexaenoic acid (DHA) is a ω-3 fatty acid typically obtained from the diet or endogenously synthesized through the action of elongases (ELOVLs) and desaturases. DHA is a key central nervous system constituent and the precursor of several molecules that regulate the resolution of inflammation. In the present study, we questioned whether the impaired synthesis of DHA affected neural plasticity and inflammatory status in the adult brain. To address this question, we investigated neural and inflammatory markers from mice deficient for ELOVL2 (Elovl2-/- ), the key enzyme in DHA synthesis. From our findings, Elovl2-/- mice showed an altered expression of markers involved in synaptic plasticity, learning, and memory formation such as Egr-1, Arc1, and BDNF specifically in the cerebral cortex, impacting behavioral functions only marginally. In parallel, we also found that DHA-deficient mice were characterized by an increased expression of pro-inflammatory molecules, namely TNF, IL-1β, iNOS, caspase-1 as well as the activation and morphologic changes of microglia in the absence of any brain injury or disease. Reintroducing DHA in the diet of Elovl2-/- mice reversed such alterations in brain plasticity and inflammation. Hence, impairment of systemic DHA synthesis can modify the brain inflammatory and neural plasticity status, supporting the view that DHA is an essential fatty acid with an important role in keeping inflammation within its physiologic boundary and in shaping neuronal functions in the central nervous system.
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Affiliation(s)
- Emanuela Talamonti
- Department of Biochemistry and BiophysicsStockholm UniversityStockholmSweden
- Department of Molecular BiosciencesThe Wenner‐Gren InstituteStockholm UniversityStockholmSweden
| | - Valeria Sasso
- Laboratory of Experimental NeurorehabilitationIRCCS Santa Lucia FoundationRomeItaly
| | - Hoi To
- Department of Biochemistry and BiophysicsStockholm UniversityStockholmSweden
| | | | | | - Brun Ulfhake
- Department of NeuroscienceKarolinska InstituteStockholmSweden
| | - Karin Pernold
- Department of NeuroscienceKarolinska InstituteStockholmSweden
| | - Abolfazl Asadi
- Department of Molecular BiosciencesThe Wenner‐Gren InstituteStockholm UniversityStockholmSweden
| | - Tara Hessa
- Department of Biochemistry and BiophysicsStockholm UniversityStockholmSweden
| | - Anders Jacobsson
- Department of Molecular BiosciencesThe Wenner‐Gren InstituteStockholm UniversityStockholmSweden
| | - Valerio Chiurchiù
- Department of MedicineCampus Bio‐Medico University of RomeRomeItaly
- Laboratory of Resolution of NeuroinflammationIRCCS Santa Lucia FoundationRomeItaly
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93
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Muthuvel A, Princess Sulekha SM, Reddy GD. Effect of poly herbal formulation “Karisalai chooranam ” against detrimental effects of psychological stress. Pharmacogn Mag 2020. [DOI: 10.4103/pm.pm_517_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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94
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Barichello T, Giridharan VV, Bhatti G, Sayana P, Doifode T, Macedo D, Quevedo J. Inflammation as a Mechanism of Bipolar Disorder Neuroprogression. Curr Top Behav Neurosci 2020; 48:215-237. [PMID: 33040314 DOI: 10.1007/7854_2020_173] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bipolar disorder (BD) is a severe, debilitating psychiatric condition with onset in adolescence or young adulthood and often follows a relapsing and remitting course throughout life. The concept of neuroprogression in BD refers to the progressive path with an identifiable trajectory that takes place with recurrent mood episodes, which eventually leads to cognitive, functional, and clinical deterioration in the course of BD. Understanding the biological basis of neuroprogression helps to explain the subset of BD patients who experience worsening of their disorder over time. Additionally, the study of the neurobiological mechanisms underpinning neuroprogression will help BD staging based on systems biology. Replicated epidemiological studies have suggested inflammatory mechanisms as primary contributors to the neuroprogression of mood disorders. It is known that dysregulated inflammatory/immune pathways are often associated with BD pathophysiology. Hence, in this chapter, we focus on the evidence for the involvement of inflammation and immune regulated pathways in the neurobiological consequences of BD neuroprogression. Herein we put forth the evidence of immune markers from autoimmune disorders, chronic infections, and gut-brain axis that lead to BD neuroprogression. Further, we highlighted the peripheral and central inflammatory components measured along with BD progression.
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Affiliation(s)
- Tatiana Barichello
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA. .,Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil. .,Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA.
| | - Vijayasree Vayalanellore Giridharan
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Gursimrat Bhatti
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Pavani Sayana
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Tejaswini Doifode
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Danielle Macedo
- Neuropsychopharmacology Laboratory, Drug Research, and Development Center, Faculty of Medicine, Universidade Federal do Ceará, Fortaleza, CE, Brazil.,National Institute for Translational Medicine (INCT-TM, CNPq), Ribeirao Preto, Brazil
| | - Joao Quevedo
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA.,Laboratory of Neurosciences, Graduate Program in Health Sciences, University of Southern Santa Catarina-UNESC, Criciúma, SC, Brazil.,Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
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95
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Yamanishi K, Hashimoto T, Miyauchi M, Mukai K, Ikubo K, Uwa N, Watanabe Y, Ikawa T, Okuzaki D, Okamura H, Yamanishi H, Matsunaga H. Analysis of genes linked to depressive-like behaviors in interleukin-18-deficient mice: Gene expression profiles in the brain. Biomed Rep 2019; 12:3-10. [PMID: 31839943 DOI: 10.3892/br.2019.1259] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 10/23/2019] [Indexed: 01/21/2023] Open
Abstract
Interleukin (IL)-18 is an interferon γ-inducing inflammatory cytokine associated with function of the immune system and other physiological functions. IL-18-deficient (Il18 -/-) mice exhibit obesity, dyslipidemia, non-alcoholic steatohepatitis and depressive-like behavioral changes. Therefore, IL-18 has a number of important roles associated with immunity, energy homeostasis and psychiatric conditions. In the present study, gene expression in the brains of Il18 -/- mice was analyzed to identify genes associated with the depressive-like behaviors and other impairments displayed by Il18 -/- mice. Using whole genome microarray analysis, gene expression patterns in the brains of Il18 +/+ and Il18 -/- mice at 6 and 12 weeks of age were examined and compared. Subsequently, genes were categorized using Ingenuity® Pathway Analysis (IPA). At 12 weeks of age, 2,805 genes were identified using microarray analysis. Genes related to 'Major depression' and 'Depressive disorders' were identified by IPA core analysis, and 13 genes associated with depression were isolated. Among these genes, fibroblast growth factor receptor 1 (Fgfr1); protein tyrosine phosphatase, non-receptor type 1 (Ptpn1); and urocortin 3 (Ucn3) were classed as depression-inducing and the other genes were considered depression-suppressing genes. Subsequently, the interactions between the microarray results at 6 weeks of age and the above three depression-inducing genes were analyzed to search for effector genes of depression at 12 weeks of age. This analysis identified cyclin D1 (Ccnd1) and NADPH oxidase 4 (Nox4). The microarray analysis results were correlated with the results of reverse transcription-quantitative PCR (RT-qPCR). Overall, the results suggest that Fgfr1, Ptpn1 and Ucn3 may be involved in depression-like changes and Ccnd1 and Nox4 regulate these three genes in IL-18-deficient mice.
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Affiliation(s)
- Kyosuke Yamanishi
- Department of Psychoimmunology, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan.,Department of Neuropsychiatry, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
| | - Takuya Hashimoto
- Department of Neuropsychiatry, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
| | - Masahiro Miyauchi
- Department of Neuropsychiatry, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
| | - Keiichiro Mukai
- Department of Neuropsychiatry, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
| | - Kaoru Ikubo
- Department of Neuropsychiatry, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
| | - Noriko Uwa
- Department of Neuropsychiatry, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
| | - Yuko Watanabe
- Hirakata General Hospital for Developmental Disorders, Hirakata, Osaka 573-0122, Japan
| | - Takashi Ikawa
- Hirakata General Hospital for Developmental Disorders, Hirakata, Osaka 573-0122, Japan
| | - Daisuke Okuzaki
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka 565-0871, Japan
| | - Haruki Okamura
- Department of Psychoimmunology, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan.,Hirakata General Hospital for Developmental Disorders, Hirakata, Osaka 573-0122, Japan
| | - Hiromichi Yamanishi
- Hirakata General Hospital for Developmental Disorders, Hirakata, Osaka 573-0122, Japan
| | - Hisato Matsunaga
- Department of Psychoimmunology, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan.,Department of Neuropsychiatry, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
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96
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Ballinger- C, Anyagaligb O, Bernard J, Bierbower SM, Dupont-Ver EE, Ghoweri A, Greenhalgh A, Harrison D, Istas O, McNabb M, Saelinger C, Stanback A, Stanback M, Thibault O, Cooper RL. Effects of Bacterial Endotoxin (LPS) on Cardiac and Synaptic Function in Various Animal Models: Larval Drosophila, Crayfish, Crab and Rodent. ACTA ACUST UNITED AC 2019. [DOI: 10.3923/ijzr.2020.33.62] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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97
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Ng KJ, Huang KY, Tung CH, Hsu BB, Wu CH, Lu MC, Lai NS. Risk factors, including different biologics, associated with depression and anxiety in patients with rheumatoid arthritis: a cross-sectional observational study. Clin Rheumatol 2019; 39:737-746. [PMID: 31823143 DOI: 10.1007/s10067-019-04820-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/01/2019] [Accepted: 10/10/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND To evaluate the associated factors of depression and anxiety in patients with rheumatoid arthritis (RA) and examine the effect of different biologics. METHODS This cross-sectional study was conducted in a regional hospital in southern Taiwan from August of 2017 to April of 2018. A total of 625 patients with RA were included. RA disease activity was measured with Disease Activity Score over 28 joints based on erythrocyte sedimentation rate (DAS28-ESR). Depression and anxiety were measured with Hospital Anxiety and Depression Scale (HADS). RESULTS Based on HADS scores, 38 subjects (6.1%) and 15 subjects (2.4%) were classified as depression and anxiety, respectively. Increased disease activity of RA is noted in RA patients with depression or anxiety, and among the items of DAS28-ESR, only the two subjective components: tender joint count over 28 joints (TJC28) and patient's global assessment (PGA) were significantly different. Multiple logistic regression analysis indicated that depression was significantly associated with TJC28 (adjusted odds ratio [aOR] = 1.10, 95% confidence interval [CI] 1.05-1.14) and female (aOR = 5.43, 95% CI 1.25-23.52); and anxiety was associated with TJC 28 (aOR = 1.07, 95% CI 1.00-1.15) and PGA (aOR = 1.03, 95% CI 1.01-1.06). Secondary analysis found a significantly lower risk of depression (aOR = 0.20, 95% CI 0.04-0.88) in patients receiving etanercept, but not anxiety, when compared with the non-biologic group. CONCLUSIONS This study suggests that only subjective components of DAS28-ESR were significantly associated with depression and anxiety. In comparison with other biologics, patients receiving etanercept appeared to have a lower risk of depression.Key Points• Rheumatoid arthritis patients possessed higher risk of depression and anxiety.• Both depression and anxiety are strongly correlated with the subjective components of DAS28-ESR.• Etanercept might be the choice of biologics in rheumatoid arthritis patients with depression.
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Affiliation(s)
- Khai-Jing Ng
- School of Medicine, Tzu Chi University, Hualien City, Hualien, Taiwan.,Department of Internal Medicine, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, Dalin, Chiayi, Taiwan.,Division of Immunology, Allergy and Rheumatology, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, No. 2, Minsheng Road, Dalin, Chiayi, 62247, Taiwan
| | - Kuang-Yung Huang
- School of Medicine, Tzu Chi University, Hualien City, Hualien, Taiwan.,Department of Internal Medicine, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, Dalin, Chiayi, Taiwan.,Division of Immunology, Allergy and Rheumatology, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, No. 2, Minsheng Road, Dalin, Chiayi, 62247, Taiwan
| | - Chien-Hsueh Tung
- School of Medicine, Tzu Chi University, Hualien City, Hualien, Taiwan.,Department of Internal Medicine, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, Dalin, Chiayi, Taiwan.,Division of Immunology, Allergy and Rheumatology, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, No. 2, Minsheng Road, Dalin, Chiayi, 62247, Taiwan
| | - Bao-Bao Hsu
- Division of Immunology, Allergy and Rheumatology, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, No. 2, Minsheng Road, Dalin, Chiayi, 62247, Taiwan
| | - Cheng-Han Wu
- Division of Immunology, Allergy and Rheumatology, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, No. 2, Minsheng Road, Dalin, Chiayi, 62247, Taiwan
| | - Ming-Chi Lu
- School of Medicine, Tzu Chi University, Hualien City, Hualien, Taiwan. .,Department of Internal Medicine, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, Dalin, Chiayi, Taiwan. .,Division of Immunology, Allergy and Rheumatology, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, No. 2, Minsheng Road, Dalin, Chiayi, 62247, Taiwan. .,Department of Medical Research, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, Dalin, Chiayi, Taiwan.
| | - Ning-Sheng Lai
- School of Medicine, Tzu Chi University, Hualien City, Hualien, Taiwan. .,Department of Internal Medicine, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, Dalin, Chiayi, Taiwan. .,Division of Immunology, Allergy and Rheumatology, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, No. 2, Minsheng Road, Dalin, Chiayi, 62247, Taiwan.
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98
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Aurelian L, Balan I. GABA AR α2-activated neuroimmune signal controls binge drinking and impulsivity through regulation of the CCL2/CX3CL1 balance. Psychopharmacology (Berl) 2019; 236:3023-3043. [PMID: 31030249 DOI: 10.1007/s00213-019-05220-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 03/04/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND AND PURPOSE Toll-like receptors (TLRs) are a family of innate immune system receptors that respond to pathogen-derived and tissue damage-related ligands and are increasingly recognized for their impact on homeostasis and its dysregulation in the nervous system. TLR signaling participates in brain injury and addiction, but its role in the alcohol-seeking behavior, which initiates alcohol drinking, is still poorly understood. In this review, we discuss our findings designed to elucidate the potential contribution of the activated TLR4 signal located in neurons, on impulsivity and the predisposition to initiate alcohol drinking (binge drinking). RESULTS Our findings indicate that the TLR4 signal is innately activated in neurons from alcohol-preferring subjects, identifying a genetic contribution to the regulation of impulsivity and the alcohol-seeking propensity. Signal activation is through the non-canonical, previously unknown, binding of TLR4 to the α2 subunit of the γ-aminobutyric 2 acid A receptor (GABAAR α2). Activation is sustained by the stress hormone corticotrophin-releasing factor (CRF) and additional still poorly recognized ligand/scaffold proteins. Focus is on the effect of TLR4 signal activation on the balance between pro- and anti-inflammatory chemokines [chemokine (C-C motif) ligand 2 (CCL2)/chemokine (C-X3-C motif) ligand 1 (CX3CL1)] and its effect on binge drinking. CONCLUSION The results are discussed within the context of current findings on the distinct activation and functions of TLR signals located in neurons, as opposed to immune cells. They indicate that the balance between pro- and anti-inflammatory TLR4 signaling plays a major role in binge drinking. These findings have major impact on future basic and translational research, including the development of potential therapeutic and preventative strategies.
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Affiliation(s)
- Laure Aurelian
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA. .,Stanford University School of Medicine OFDD, Stanford, CA, 94305, USA.
| | - Irina Balan
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.,Department of Psychiatry and Pharmacology, Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
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99
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Hatami M, Abdolahi M, Soveyd N, Djalali M, Togha M, Honarvar NM. Molecular Mechanisms of Curcumin in Neuroinflammatory Disorders: A Mini Review of Current Evidences. Endocr Metab Immune Disord Drug Targets 2019; 19:247-258. [PMID: 30488803 DOI: 10.2174/1871530319666181129103056] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 10/02/2018] [Accepted: 10/08/2018] [Indexed: 01/08/2023]
Abstract
OBJECTIVE Neuroinflammatory disease is a general term used to denote the progressive loss of neuronal function or structure. Many neuroinflammatory diseases, including Alzheimer's, Parkinson's, and multiple sclerosis (MS), occur due to neuroinflammation. Neuroinflammation increases nuclear factor-κB (NF-κB) levels, cyclooxygenase-2 enzymes and inducible nitric oxide synthase, resulting in the release of inflammatory cytokines, such as interleukin-6 (IL-6), interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α). It could also lead to cellular deterioration and symptoms of neuroinflammatory diseases. Recent studies have suggested that curcumin (the active ingredient in turmeric) could alleviate the process of neuroinflammatory disease. Thus, the present mini-review was conducted to summarize studies regarding cellular and molecular targets of curcumin relevant to neuroinflammatory disorders. METHODS A literature search strategy was conducted for all English-language literature. Studies that assessed the various properties of curcuminoids in respect of neuroinflammatory disorders were included in this review. RESULTS The studies have suggested that curcuminoids have significant anti- neuroinflammatory, antioxidant and neuroprotective properties that could attenuate the development and symptom of neuroinflammatory disorders. Curcumin can alleviate neurodegeneration and neuroinflammation through multiple mechanisms, by reducing inflammatory mediators (such as TNF-α, IL-1β, nitric oxide and NF-κB gene expression), and affect mitochondrial dynamics and even epigenetic changes. CONCLUSION It is a promising subject of study in the prevention and management of the neuroinflammatory disease. However, controlled, randomized clinical trials are needed to fully evaluate its clinical potential.
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Affiliation(s)
- Mahsa Hatami
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Mina Abdolahi
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran.,Amir Alam Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran
| | - Neda Soveyd
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Djalali
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Mansoureh Togha
- Iranian Center of Neurological Research, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Niyaz Mohammadzadeh Honarvar
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
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100
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Gupta A, Puri S, Puri V. Bioinformatics Unmasks the Maneuverers of Pain Pathways in Acute Kidney Injury. Sci Rep 2019; 9:11872. [PMID: 31417109 PMCID: PMC6695489 DOI: 10.1038/s41598-019-48209-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 07/31/2019] [Indexed: 12/30/2022] Open
Abstract
Acute Kidney injury (AKI) is one of the leading health concerns resulting in accumulation of nitrogenous as well as non-nitrogenous wastes in body and characterised by a rapid deterioration in kidney functions. Besides the major toll from the primary insult in the kidney, consequential extra-renal secondary insults endowed with the pathways of inflammatory milieu often complicates the disease outcome. Some of the known symptoms of AKI leading to clinical reporting are fatigue, loss of appetite, headache, nausea, vomiting, and pain in the flanks, wherein proinflammatory cytokines have been strongly implicated in pathogenesis of AKI and neuro-inflammation. Taking in account these clues, we have tried to decode the neuro-inflammation and pain perception phenomenon during the progression of AKI using the pathway integration and biological network strategies. The pathways and networks were generated using bioinformatics software viz. PANTHER, Genomatix and PathVisio to establish the relationship between immune and neuro related pathway in AKI. These observations envisage a neurol-renal axis that is predicted to involve calcium channels in neuro-inflammatory pathway of AKI. These observations, thus, pave a way for a new paradigm in understanding the interplay of neuro-immunological signalling in AKI.
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Affiliation(s)
- Aprajita Gupta
- Centre for Systems Biology and Bioinformatics, Panjab University, Chandigarh, India
| | - Sanjeev Puri
- Biotechnology Branch UIET, Panjab University, Chandigarh, India
| | - Veena Puri
- Centre for Systems Biology and Bioinformatics, Panjab University, Chandigarh, India.
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