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Wartchow KM, Scaini G, Quevedo J. Glial-Neuronal Interaction in Synapses: A Possible Mechanism of the Pathophysiology of Bipolar Disorder. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1411:191-208. [PMID: 36949311 DOI: 10.1007/978-981-19-7376-5_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/24/2023]
Abstract
Bipolar disorder (BD) is a severe and chronic psychiatric disorder that affects approximately 1-4% of the world population and is characterized by recurrent episodes of mania or hypomania and depression. BD is also associated with illnesses marked by immune activation, such as metabolic syndrome, obesity, type 2 diabetes mellitus, and cardiovascular diseases. Indeed, a connection has been suggested between neuroinflammation and peripheral inflammatory markers in the pathophysiology of BD, which can be associated with the modulation of many dysfunctional processes, including synaptic plasticity, neurotransmission, neurogenesis, neuronal survival, apoptosis, and even cognitive/behavioral functioning. Rising evidence suggests that synaptic dysregulations, especially glutamatergic system dysfunction, are directly involved in mood disorders. It is becoming clear that dysregulations in connection and structural changes of glial cells play a central role in the BD pathophysiology. This book chapter highlighted the latest findings that support the theory of synaptic dysfunction in BD, providing an overview of the alterations in neurotransmitters release, astrocytic uptake, and receptor signaling, as well as the role of inflammation on glial cells in mood disorders. Particular emphasis is given to the alterations in presynaptic and postsynaptic neurons and glial cells, all cellular elements of the "tripartite synapse," compromising the neurotransmitters system, excitatory-inhibitory balance, and neurotrophic states of local networks in mood disorders. Together, these studies provide a foundation of knowledge about the exact role of the glial-neuronal interaction in mood disorders.
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Affiliation(s)
- Krista M Wartchow
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Giselli Scaini
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences at 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
| | - João Quevedo
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences at 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.
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil.
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Madireddy S, Madireddy S. Therapeutic Interventions to Mitigate Mitochondrial Dysfunction and Oxidative Stress–Induced Damage in Patients with Bipolar Disorder. Int J Mol Sci 2022; 23:ijms23031844. [PMID: 35163764 PMCID: PMC8836876 DOI: 10.3390/ijms23031844] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/26/2021] [Accepted: 12/30/2021] [Indexed: 01/10/2023] Open
Abstract
Bipolar disorder (BD) is characterized by mood changes, including recurrent manic, hypomanic, and depressive episodes, which may involve mixed symptoms. Despite the progress in neurobiological research, the pathophysiology of BD has not been extensively described to date. Progress in the understanding of the neurobiology driving BD could help facilitate the discovery of therapeutic targets and biomarkers for its early detection. Oxidative stress (OS), which damages biomolecules and causes mitochondrial and dopamine system dysfunctions, is a persistent finding in patients with BD. Inflammation and immune dysfunction might also play a role in BD pathophysiology. Specific nutrient supplements (nutraceuticals) may target neurobiological pathways suggested to be perturbed in BD, such as inflammation, mitochondrial dysfunction, and OS. Consequently, nutraceuticals may be used in the adjunctive treatment of BD. This paper summarizes the possible roles of OS, mitochondrial dysfunction, and immune system dysregulation in the onset of BD. It then discusses OS-mitigating strategies that may serve as therapeutic interventions for BD. It also analyzes the relationship between diet and BD as well as the use of nutritional interventions in the treatment of BD. In addition, it addresses the use of lithium therapy; novel antipsychotic agents, including clozapine, olanzapine, risperidone, cariprazine, and quetiapine; and anti-inflammatory agents to treat BD. Furthermore, it reviews the efficacy of the most used therapies for BD, such as cognitive–behavioral therapy, bright light therapy, imagery-focused cognitive therapy, and electroconvulsive therapy. A better understanding of the roles of OS, mitochondrial dysfunction, and inflammation in the pathogenesis of bipolar disorder, along with a stronger elucidation of the therapeutic functions of antioxidants, antipsychotics, anti-inflammatory agents, lithium therapy, and light therapies, may lead to improved strategies for the treatment and prevention of bipolar disorder.
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Affiliation(s)
- Sahithi Madireddy
- Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Correspondence:
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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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Cyrino LAR, Delwing-de Lima D, Ullmann OM, Maia TP. Concepts of Neuroinflammation and Their Relationship With Impaired Mitochondrial Functions in Bipolar Disorder. Front Behav Neurosci 2021; 15:609487. [PMID: 33732117 PMCID: PMC7959852 DOI: 10.3389/fnbeh.2021.609487] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 01/18/2021] [Indexed: 12/24/2022] Open
Abstract
Bipolar disorder (BD) is a chronic psychiatric disease, characterized by frequent behavioral episodes of depression and mania, and neurologically by dysregulated neurotransmission, neuroplasticity, growth factor signaling, and metabolism, as well as oxidative stress, and neuronal apoptosis, contributing to chronic neuroinflammation. These abnormalities result from complex interactions between multiple susceptibility genes and environmental factors such as stress. The neurocellular abnormalities of BD can result in gross morphological changes, such as reduced prefrontal and hippocampal volume, and circuit reorganization resulting in cognitive and emotional deficits. The term "neuroprogression" is used to denote the progressive changes from early to late stages, as BD severity and loss of treatment response correlate with the number of past episodes. In addition to circuit and cellular abnormalities, BD is associated with dysfunctional mitochondria, leading to severe metabolic disruption in high energy-demanding neurons and glia. Indeed, mitochondrial dysfunction involving electron transport chain (ETC) disruption is considered the primary cause of chronic oxidative stress in BD. The ensuing damage to membrane lipids, proteins, and DNA further perpetuates oxidative stress and neuroinflammation, creating a perpetuating pathogenic cycle. A deeper understanding of BD pathophysiology and identification of associated biomarkers of neuroinflammation are needed to facilitate early diagnosis and treatment of this debilitating disorder.
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Affiliation(s)
- Luiz Arthur Rangel Cyrino
- Programa de Pós-Graduação em Saúde e Meio Ambiente, Laboratório de Práticas Farmacêuticas of Department of Pharmacy, University of Joinville Region—UNIVILLE, Joinville, Brazil
- Department of Psychology, University of Joinville—UNIVILLE, Joinville, Brazil
- Department of Pharmacy, University of Joinville—UNIVILLE, Joinville, Brazil
| | - Daniela Delwing-de Lima
- Programa de Pós-Graduação em Saúde e Meio Ambiente, Laboratório de Práticas Farmacêuticas of Department of Pharmacy, University of Joinville Region—UNIVILLE, Joinville, Brazil
- Department of Pharmacy, University of Joinville—UNIVILLE, Joinville, Brazil
- Department of Medicine, University of Joinville—UNIVILLE, Joinville, Brazil
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Aghabozorg Afjeh SS, Shams J, Hamednia S, Boshehri B, Olfat A, Omrani MD. Investigation of the impact of an ADCY2 polymorphism as a predictive biomarker in bipolar disorder, suicide tendency and response to lithium carbonate therapy: the first report from Iran. Pharmacogenomics 2020; 21:1011-1020. [PMID: 32893730 DOI: 10.2217/pgs-2020-0058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
High rates of mortality due to both suicide and medical comorbidities in bipolar patients can be decreased through the administration of lithium, which affects the cerebral endothelium as well as neurons. To investigate the role of ADCY2 in risk of bipolar disorder, we genotyped the ADCY2 rs2290910 in bipolar patients and healthy controls using amplification refractory mutation system PCR. This polymorphism was associated with risk of bipolar disorder (odds ratio [OR]: 0.430; 95% CI: 0.296-0.624; p = 0.001). The C allele was more frequent in suicide ideation group compared other groups (OR: 2.7; 95% CI: 1.386-5.302; p = 0.004). The T allele was more frequent in suicide attempt group compared with suicide ideation group (OR: 0.238; 95% CI: 0.111-0.509; p = 0.001).
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Affiliation(s)
| | - Jamal Shams
- Behavioral Research Center, Shahid Beheshti University of Medical Sciences, Tehran, 19839-631133, Iran
| | - Safar Hamednia
- Department of Psychiatry, Urmia University of Medical Sciences, Urmia, 5714-783345, Iran
| | - Behzad Boshehri
- Department of Forensic Medicine & Toxicology, Urmia University of Medical Sciences, Urmia, 5714-783345, Iran
| | - Amir Olfat
- Department of statistics, Allameh Tabatabai University, Tehran, 14877-01201, Iran
| | - Mir Davood Omrani
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, 19839-631133, Iran
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Maget A, Platzer M, Bengesser SA, Fellendorf FT, Birner A, Queissner R, Hamm C, Reininghaus B, Hecker A, Tomberger L, Pilz R, Dalkner N, Moll N, Schütze G, Schwarz M, Kapfhammer HP, Reininghaus EZ. Differences in Kynurenine Metabolism During Depressive, Manic, and Euthymic Phases of Bipolar Affective Disorder. Curr Top Med Chem 2020; 20:1344-1352. [DOI: 10.2174/1568026619666190802145128] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 05/29/2019] [Accepted: 06/27/2019] [Indexed: 11/22/2022]
Abstract
Background & Objectives:
The kynurenine pathway is involved in inflammatory diseases. Alterations
of this pathway were shown in psychiatric entities as well. The aim of this study was to determine
whether specific changes in kynurenine metabolism are associated with current mood symptoms in bipolar
disorder.
Methods:
Sum scores of the Hamilton Depression Scale, Beck Depression Inventory, and Young Mania
Rating Scale were collected from 156 bipolar individuals to build groups of depressive, manic and
euthymic subjects according to predefined cut-off scores. Severity of current mood symptoms was correlated
with activities of the enzymes kynurenine 3-monooxygenase (ratio of 3-hydroxykynurenine/
kynurenine), kynurenine aminotransferase (ratio of kynurenic acid/ kynurenine) and kynureninase (ratio of
3-hydroxyanthranilic acid/ 3-hydroxykynurenine), proxied by ratios of serum concentrations.
Results:
Individuals with manic symptoms showed a shift towards higher kynurenine 3-monooxygenase
activity (χ2 = 7.14, Df = 2, p = .028), compared to euthymic as well as depressed individuals. There were no
differences between groups regarding activity of kynurenine aminotransferase and kynureninase. Within
the group of depressed patients, Hamilton Depression Scale and kynurenine aminotransferase showed a
significant negative correlation (r = -0.41, p = .036), displaying lower metabolism in the direction of
kynurenic acid.
Conclusion:
Depression severity in bipolar disorder seems to be associated with a decreased synthesis of
putative neuroprotective kynurenic acid. Furthermore, higher kynurenine 3-monooxygenase activity in currently
manic individuals indicates an increased inflammatory state within bipolar disorder with more severe
inflammation during manic episodes. The underlying pathophysiological mechanisms of the different affective
episodes could represent parallel mechanisms rather than opposed processes.
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Affiliation(s)
- Alexander Maget
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Martina Platzer
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Susanne A. Bengesser
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Frederike T. Fellendorf
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Armin Birner
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Robert Queissner
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Carlo Hamm
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Bernd Reininghaus
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Andrzej Hecker
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Lukas Tomberger
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Renè Pilz
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Nina Dalkner
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Natalie Moll
- Institute of Laboratory Medicine Medical Center of Munich University (LMU), Munich, Germany
| | - Gregor Schütze
- Institute of Laboratory Medicine Medical Center of Munich University (LMU), Munich, Germany
| | - Markus Schwarz
- Institute of Laboratory Medicine Medical Center of Munich University (LMU), Munich, Germany
| | - Hans P. Kapfhammer
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
| | - Eva Z. Reininghaus
- Department of Psychiatric and Psychotherapeutic Medicine, Medical University of Graz, Graz, Austria
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7
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Mast cell activation disease and the modern epidemic of chronic inflammatory disease. Transl Res 2016; 174:33-59. [PMID: 26850903 DOI: 10.1016/j.trsl.2016.01.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Revised: 01/07/2016] [Accepted: 01/08/2016] [Indexed: 12/18/2022]
Abstract
A large and growing portion of the human population, especially in developed countries, suffers 1 or more chronic, often quite burdensome ailments which either are overtly inflammatory in nature or are suspected to be of inflammatory origin, but for which investigations to date have failed to identify specific causes, let alone unifying mechanisms underlying the multiple such ailments that often afflict such patients. Relatively recently described as a non-neoplastic cousin of the rare hematologic disease mastocytosis, mast cell (MC) activation syndrome-suspected to be of greatly heterogeneous, complex acquired clonality in many cases-is a potential underlying/unifying explanation for a diverse assortment of inflammatory ailments. A brief review of MC biology and how aberrant primary MC activation might lead to such a vast range of illness is presented.
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