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Shemiakova TS, Efimova EV, Gainetdinov RR. TAARs as Novel Therapeutic Targets for the Treatment of Depression: A Narrative Review of the Interconnection with Monoamines and Adult Neurogenesis. Biomedicines 2024; 12:1263. [PMID: 38927470 PMCID: PMC11200894 DOI: 10.3390/biomedicines12061263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/27/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Depression is a common mental illness of great concern. Current therapy for depression is only suitable for 80% of patients and is often associated with unwanted side effects. In this regard, the search for and development of new antidepressant agents remains an urgent task. In this review, we discuss the current available evidence indicating that G protein-coupled trace amine-associated receptors (TAARs) might represent new targets for depression treatment. The most frequently studied receptor TAAR1 has already been investigated in the treatment of schizophrenia, demonstrating antidepressant and anxiolytic properties. In fact, the TAAR1 agonist Ulotaront is currently undergoing phase 2/3 clinical trials testing its safety and efficacy in the treatment of major depressive disorder and generalized anxiety disorder. Other members of the TAAR family (TAAR2, TAAR5, TAAR6, TAAR8, and TAAR9) are not only involved in the innate olfaction of volatile amines, but are also expressed in the limbic brain areas. Furthermore, animal studies have shown that TAAR2 and TAAR5 regulate emotional behaviors and thus may hold promise as potential antidepressant targets. Of particular interest is their connection with the dopamine and serotonin systems of the brain and their involvement in the regulation of adult neurogenesis, known to be affected by the antidepressant drugs currently in use. Further non-clinical and clinical studies are necessary to validate TAAR1 (and potentially other TAARs) as novel therapeutic targets for the treatment of depression.
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Affiliation(s)
- Taisiia S. Shemiakova
- Institute of Translational Biomedicine, Saint-Petersburg State University, 199034 St. Petersburg, Russia; (T.S.S.); (E.V.E.)
| | - Evgeniya V. Efimova
- Institute of Translational Biomedicine, Saint-Petersburg State University, 199034 St. Petersburg, Russia; (T.S.S.); (E.V.E.)
| | - Raul R. Gainetdinov
- Institute of Translational Biomedicine, Saint-Petersburg State University, 199034 St. Petersburg, Russia; (T.S.S.); (E.V.E.)
- Saint-Petersburg University Hospital, Saint-Petersburg State University, 199034 St. Petersburg, Russia
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2
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Alonso L, Peeva P, Fernández-del Valle Alquicira T, Erdelyi N, Gil Nolskog Á, Bader M, Winter Y, Alenina N, Rivalan M. Poor Decision Making and Sociability Impairment Following Central Serotonin Reduction in Inducible TPH2-Knockdown Rats. Int J Mol Sci 2024; 25:5003. [PMID: 38732220 PMCID: PMC11084943 DOI: 10.3390/ijms25095003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
Serotonin is an essential neuromodulator for mental health and animals' socio-cognitive abilities. However, we previously found that a constitutive depletion of central serotonin did not impair rat cognitive abilities in stand-alone tests. Here, we investigated how a mild and acute decrease in brain serotonin would affect rats' cognitive abilities. Using a novel rat model of inducible serotonin depletion via the genetic knockdown of tryptophan hydroxylase 2 (TPH2), we achieved a 20% decrease in serotonin levels in the hypothalamus after three weeks of non-invasive oral doxycycline administration. Decision making, cognitive flexibility, and social recognition memory were tested in low-serotonin (Tph2-kd) and control rats. Our results showed that the Tph2-kd rats were more prone to choose disadvantageously in the long term (poor decision making) in the Rat Gambling Task and that only the low-serotonin poor decision makers were more sensitive to probabilistic discounting and had poorer social recognition memory than other low-serotonin and control individuals. Flexibility was unaffected by the acute brain serotonin reduction. Poor social recognition memory was the most central characteristic of the behavioral network of low-serotonin poor decision makers, suggesting a key role of social recognition in the expression of their profile. The acute decrease in brain serotonin appeared to specifically amplify the cognitive impairments of the subgroup of individuals also identified as poor decision makers in the population. This study highlights the great opportunity the Tph2-kd rat model offers to study inter-individual susceptibilities to develop cognitive impairment following mild variations of brain serotonin in otherwise healthy individuals. These transgenic and differential approaches together could be critical for the identification of translational markers and vulnerabilities in the development of mental disorders.
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Affiliation(s)
- Lucille Alonso
- Institut für Biologie, Humboldt-Universität zu Berlin, 10099 Berlin, Germany; (L.A.); (T.F.-d.V.A.); (Y.W.)
- Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany (M.B.)
- Univ. Bordeaux, CNRS, IINS, UMR 5297, F-33000 Bordeaux, France
| | - Polina Peeva
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Tania Fernández-del Valle Alquicira
- Institut für Biologie, Humboldt-Universität zu Berlin, 10099 Berlin, Germany; (L.A.); (T.F.-d.V.A.); (Y.W.)
- Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany (M.B.)
| | - Narda Erdelyi
- Institut für Biologie, Humboldt-Universität zu Berlin, 10099 Berlin, Germany; (L.A.); (T.F.-d.V.A.); (Y.W.)
| | - Ángel Gil Nolskog
- Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany (M.B.)
| | - Michael Bader
- Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany (M.B.)
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
- Institute for Biology, University of Lübeck, 23562 Lübeck, Germany
| | - York Winter
- Institut für Biologie, Humboldt-Universität zu Berlin, 10099 Berlin, Germany; (L.A.); (T.F.-d.V.A.); (Y.W.)
- Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany (M.B.)
| | - Natalia Alenina
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
| | - Marion Rivalan
- Institut für Biologie, Humboldt-Universität zu Berlin, 10099 Berlin, Germany; (L.A.); (T.F.-d.V.A.); (Y.W.)
- Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany (M.B.)
- NeuroPSI—Paris-Saclay Institute of Neuroscience, CNRS—Université Paris-Saclay, F-91400 Saclay, France
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3
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Li Y, Wang L, Huang J, Zhang P, Zhou Y, Tong J, Chen W, Gou M, Tian B, Li W, Luo X, Tian L, Hong LE, Li CSR, Tan Y. Serum neuroactive metabolites of the tryptophan pathway in patients with acute phase of affective disorders. Front Psychiatry 2024; 15:1357293. [PMID: 38680780 PMCID: PMC11046465 DOI: 10.3389/fpsyt.2024.1357293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 03/25/2024] [Indexed: 05/01/2024] Open
Abstract
Background Many studies showed disrupted tryptophan metabolism in patients with affective disorders. The aims of this study were to explore the differences in the metabolites of tryptophan pathway (TP) and the relationships between TP metabolites and clinical symptoms, therapeutic effect in patients with bipolar disorder with acute manic episode (BD-M), depressive episode (BD-D) and major depressive disorder (MDD). Methods Patients with BD-M (n=52) and BD-D (n=39), MDD (n=48) and healthy controls (HCs, n=49) were enrolled. The serum neuroactive metabolites levels of the TP were measured by liquid chromatography-tandem mass spectrometry. Hamilton Depression Scale-17 item (HAMD-17) and Young Mania Rating Scale (YMRS) were used to evaluate depressive and manic symptoms at baseline and after 8 weeks of antidepressants, mood stabilizers, some also received antipsychotic medication. Results The levels of tryptophan (TRP) and kynurenic acid (KYNA) were significantly lower and the ratios of tryptophan/kynurenine (TRP/KYN), 5-hydroxytryptamine/tryptophan (5-HT/TRP), quinolinic acid/kynurenic acid (QUIN/KYNA) were higher in BD-M, BD-D, MDD vs. HC. The levels of QUIN and the ratios of QUIN/KYNA were higher in BD-M than in BD-D, MDD, and HCs. The 5-hydroxyindoleacetic acid (5-HIAA) levels of patients with MDD were significantly higher than those in BD-M and BD-D. Binary logistic regression analysis showed the lower peripheral KYNA, the higher the QUIN level, and the higher the risk of BD-M; the lower peripheral KYNA and the higher KYN/TRP and 5-HT/TRP, the higher the risk of BD-D; and the lower the peripheral KYNA level and the higher the KYN/TRP and 5-HT/TRP, the higher the risk of MDD. Correlation analysis, showing a significant association between tryptophan metabolites and improvement of clinical symptoms, especially depression symptoms. Conclusions Patients with affective disorders had abnormal tryptophan metabolism, which involved in 5-HT and kynurenine pathway (KP) sub-pathway. Tryptophan metabolites might be potential biomarkers for affective disorders and some metabolites have been associated with remission of depressive symptoms.
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Affiliation(s)
- Yanli Li
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Leilei Wang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Junchao Huang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Ping Zhang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Yanfang Zhou
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Jinghui Tong
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Wenjin Chen
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Mengzhuang Gou
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Baopeng Tian
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Wei Li
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
| | - Xingguang Luo
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States
| | - Li Tian
- Institute of Biomedicine and Translational Medicine, Department of Physiology, Faculty of Medicine, University of Tartu, Tartu, Estonia
| | - L. Elliot Hong
- Louis A. Faillace Department of Psychiatry and Behavioral Sciences at McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Chiang-Shan R. Li
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States
| | - Yunlong Tan
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan, Hospital, Beijing, China
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Tung TH, Lai WD, Lee HC, Su KP, Panunggal B, Huang SY. Attenuation of Chronic Stress-Induced Depressive-like Symptoms by Fish Oil via Alleviating Neuroinflammation and Impaired Tryptophan Metabolism in Aging Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14550-14561. [PMID: 37769277 PMCID: PMC10915802 DOI: 10.1021/acs.jafc.3c01784] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 09/30/2023]
Abstract
The prevalence of depression is increasing, and geriatric depression, in particular, is difficult to recognize and treat. Depression in older adults is often accompanied by neuroinflammation in the central nervous system (CNS). Neuroinflammation affects the brain's physiological and immune functions through several pathways and induces depressive symptoms. This study investigated the relationship among depression, neuroinflammation, and fish oil supplementation. Thirty-six male Sprague-Dawley rats were used in an aging-related depression animal model to simulate geriatric depression. Cognitive function, depressive-like symptoms, peripheral nervous system and CNS inflammation status, and the tryptophan-related metabolic pathway were analyzed. The geriatric depression animal model was associated with depressive-like behaviors and cognitive impairment. The integrity of the blood-brain barrier was compromised, resulting in increased expression of ionized calcium-binding adapter molecule 1 and the glial fibrillary acidic protein in the brain, indicating increased neuroinflammation. Tryptophan metabolism was also negatively affected. The geriatric-depressive-like rats had high levels of neurotoxic 5-hydroxyindoleacetic acid and kynurenine in their hippocampus. Fish oil intake improved depressive-like symptoms and cognitive impairment, reduced proinflammatory cytokine expression, activated the brain's glial cells, and increased the interleukin-10 level in the prefrontal cortex. Thus, fish oil intervention could ameliorate abnormal neurobehaviors and neuroinflammation and elevate the serotonin level in the hippocampus.
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Affiliation(s)
- Te-Hsuan Tung
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
| | - Wen-De Lai
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
| | - Hsiu-Chuan Lee
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
| | - Kuan-Pin Su
- Department
of Psychiatry & Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung 404018, Taiwan
- College of
Medicine, China Medical University, Taichung 404018, Taiwan
| | - Binar Panunggal
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
- Department
of Nutrition Science, Faculty of Medicine, Diponegoro University, Semarang 50275, Indonesia
- Center
of Nutrition Research, Diponegoro University, Semarang 50275, Indonesia
| | - Shih-Yi Huang
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
- Graduate
Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei 110301, Taiwan
- Nutrition
Research Centre, Taipei Medical University
Hospital, Taipei 110301, Taiwan
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5
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Moncrieff J, Cooper RE, Stockmann T, Amendola S, Hengartner MP, Horowitz MA. The serotonin theory of depression: a systematic umbrella review of the evidence. Mol Psychiatry 2023; 28:3243-3256. [PMID: 35854107 PMCID: PMC10618090 DOI: 10.1038/s41380-022-01661-0] [Citation(s) in RCA: 221] [Impact Index Per Article: 221.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 05/31/2022] [Accepted: 06/07/2022] [Indexed: 12/31/2022]
Abstract
The serotonin hypothesis of depression is still influential. We aimed to synthesise and evaluate evidence on whether depression is associated with lowered serotonin concentration or activity in a systematic umbrella review of the principal relevant areas of research. PubMed, EMBASE and PsycINFO were searched using terms appropriate to each area of research, from their inception until December 2020. Systematic reviews, meta-analyses and large data-set analyses in the following areas were identified: serotonin and serotonin metabolite, 5-HIAA, concentrations in body fluids; serotonin 5-HT1A receptor binding; serotonin transporter (SERT) levels measured by imaging or at post-mortem; tryptophan depletion studies; SERT gene associations and SERT gene-environment interactions. Studies of depression associated with physical conditions and specific subtypes of depression (e.g. bipolar depression) were excluded. Two independent reviewers extracted the data and assessed the quality of included studies using the AMSTAR-2, an adapted AMSTAR-2, or the STREGA for a large genetic study. The certainty of study results was assessed using a modified version of the GRADE. We did not synthesise results of individual meta-analyses because they included overlapping studies. The review was registered with PROSPERO (CRD42020207203). 17 studies were included: 12 systematic reviews and meta-analyses, 1 collaborative meta-analysis, 1 meta-analysis of large cohort studies, 1 systematic review and narrative synthesis, 1 genetic association study and 1 umbrella review. Quality of reviews was variable with some genetic studies of high quality. Two meta-analyses of overlapping studies examining the serotonin metabolite, 5-HIAA, showed no association with depression (largest n = 1002). One meta-analysis of cohort studies of plasma serotonin showed no relationship with depression, and evidence that lowered serotonin concentration was associated with antidepressant use (n = 1869). Two meta-analyses of overlapping studies examining the 5-HT1A receptor (largest n = 561), and three meta-analyses of overlapping studies examining SERT binding (largest n = 1845) showed weak and inconsistent evidence of reduced binding in some areas, which would be consistent with increased synaptic availability of serotonin in people with depression, if this was the original, causal abnormaly. However, effects of prior antidepressant use were not reliably excluded. One meta-analysis of tryptophan depletion studies found no effect in most healthy volunteers (n = 566), but weak evidence of an effect in those with a family history of depression (n = 75). Another systematic review (n = 342) and a sample of ten subsequent studies (n = 407) found no effect in volunteers. No systematic review of tryptophan depletion studies has been performed since 2007. The two largest and highest quality studies of the SERT gene, one genetic association study (n = 115,257) and one collaborative meta-analysis (n = 43,165), revealed no evidence of an association with depression, or of an interaction between genotype, stress and depression. The main areas of serotonin research provide no consistent evidence of there being an association between serotonin and depression, and no support for the hypothesis that depression is caused by lowered serotonin activity or concentrations. Some evidence was consistent with the possibility that long-term antidepressant use reduces serotonin concentration.
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Affiliation(s)
- Joanna Moncrieff
- Division of Psychiatry, University College London, London, UK.
- Research and Development Department, Goodmayes Hospital, North East London NHS Foundation Trust, Essex, UK.
| | - Ruth E Cooper
- Faculty of Education, Health and Human Sciences, University of Greenwich, London, UK
| | | | - Simone Amendola
- Department of Dynamic and Clinical Psychology, and Health Studies, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy
| | - Michael P Hengartner
- Department of Applied Psychology, Zurich University of Applied Sciences, Zurich, Switzerland
| | - Mark A Horowitz
- Division of Psychiatry, University College London, London, UK
- Research and Development Department, Goodmayes Hospital, North East London NHS Foundation Trust, Essex, UK
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6
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Wu X, Tu M, Chen N, Yang J, Jin J, Qu S, Xiong S, Cao Z, Xu M, Pei S, Hu H, Ge Y, Fang J, Shao X. The efficacy and cerebral mechanism of intradermal acupuncture for major depressive disorder: a study protocol for a randomized controlled trial. Front Psychiatry 2023; 14:1181947. [PMID: 37255689 PMCID: PMC10226652 DOI: 10.3389/fpsyt.2023.1181947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/27/2023] [Indexed: 06/01/2023] Open
Abstract
Background Major depressive disorder (MDD) has emerged as the fifth leading cause of years lived with disability, with a high prevalent, affecting nearly 4% of the global population. While available evidence suggests that intradermal acupuncture may enhance the effectiveness of antidepressants, whether its efficacy is a specific therapeutic effect or a placebo effect has not been reported. Moreover, the cerebral mechanism of intradermal acupuncture as a superficial acupuncture (usually subcutaneous needling to a depth of 1-2 mm) for MDD remains unclear. Methods A total of 120 participants with MDD will be enrolled and randomized to the waiting list group, sham intradermal acupuncture group and active intradermal acupuncture group. All 3 groups will receive a 6-week intervention and a 4-week follow-up. The primary outcome will be measured by the Hamilton Depression Rating Scale-17 and the secondary outcome measures will be the Self-Rating depression scale and Pittsburgh sleep quality index. Assessments will be conducted at baseline, 3 weeks, 6 weeks, and during the follow-up period. In addition, 20 eligible participants in each group will be randomly selected to undergo head magnetic resonance imaging before and after the intervention to explore the effects of intradermal acupuncture on brain activity in MDD patients. Discussion If the intradermal acupuncture is beneficial, it is promising to be included in the routine treatment of MDD. Clinical Trial Registration Clinicaltrials.gov, NCT05720637.
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Affiliation(s)
- Xiaoting Wu
- Key Laboratory for Research of Acupuncture Treatment and Transformation of Emotional Diseases, The Third Clinical Medical College, Zhejiang Chinese Medical University,, Hangzhou, China
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Mingqi Tu
- Key Laboratory for Research of Acupuncture Treatment and Transformation of Emotional Diseases, The Third Clinical Medical College, Zhejiang Chinese Medical University,, Hangzhou, China
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Nisang Chen
- Key Laboratory for Research of Acupuncture Treatment and Transformation of Emotional Diseases, The Third Clinical Medical College, Zhejiang Chinese Medical University,, Hangzhou, China
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Jiajia Yang
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Junyan Jin
- Key Laboratory for Research of Acupuncture Treatment and Transformation of Emotional Diseases, The Third Clinical Medical College, Zhejiang Chinese Medical University,, Hangzhou, China
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Siying Qu
- Key Laboratory for Research of Acupuncture Treatment and Transformation of Emotional Diseases, The Third Clinical Medical College, Zhejiang Chinese Medical University,, Hangzhou, China
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Sangsang Xiong
- Key Laboratory for Research of Acupuncture Treatment and Transformation of Emotional Diseases, The Third Clinical Medical College, Zhejiang Chinese Medical University,, Hangzhou, China
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhijian Cao
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Maosheng Xu
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Shuangyi Pei
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Hantong Hu
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Yinyan Ge
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Jianqiao Fang
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaomei Shao
- Key Laboratory for Research of Acupuncture Treatment and Transformation of Emotional Diseases, The Third Clinical Medical College, Zhejiang Chinese Medical University,, Hangzhou, China
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
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7
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Tigchelaar C, Muller WD, Atmosoerodjo SD, Wardenaar KJ, Kema IP, Absalom AR, van Faassen M. Concentration gradients of monoamines, their precursors and metabolites in serial lumbar cerebrospinal fluid of neurologically healthy patients determined with a novel LC-MS/MS technique. Fluids Barriers CNS 2023; 20:13. [PMID: 36782208 PMCID: PMC9923930 DOI: 10.1186/s12987-023-00413-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 02/05/2023] [Indexed: 02/15/2023] Open
Abstract
BACKGROUND Potential biomarkers for neuropsychiatric disorders are cerebrospinal fluid (CSF) monoamines and their corresponding precursors and metabolites. During CSF sampling, CSF flows towards the lumbar sampling site from more cranial regions. To compare the results of studies in which different CSF volumes were acquired, it is important to know if ventricular-lumbar concentration gradients exist. This has only been addressed for a few biogenic amines, and almost exclusively in neurologically unwell patients due to the burden of a lumbar puncture (necessary to obtain CSF). The aim of our study was to determine if concentration gradients exist for routinely measured CSF constituents and biogenic amines in neurologically healthy patients. We applied a novel ultrasensitive liquid chromatography mass spectrometry (LC-MS/MS) method for the simultaneous quantification of multiple monoamines, precursors and metabolites in CSF and plasma. METHODS CSF and blood samples were collected from twenty neurologically healthy patients undergoing spinal anaesthesia. Ten mL of lumbar CSF was collected in five consecutive two mL fractions. We determined leucocyte and erythrocyte counts, glucose, albumin and protein concentrations and quantified monoamines, precursors and metabolites on each of the fractions using LC-MS/MS. RESULTS In twenty patients (60% male; median age: 46 years), dopamine, DOPAC, 3-MT, HVA, noradrenaline, normetanephrine and 5-HIAA concentrations increased from the first to the last CSF fraction (all p < 0.001). CSF adrenaline concentrations were below the detection limit, whereas serotonin measurements were regarded as unreliable. Albumin and total protein levels decreased significantly across CSF fractions. CONCLUSIONS A ventricular-lumbar CSF concentration gradient existed for most of the investigated analytes. This is a novel finding for dopamine, noradrenaline, 3-MT and normetanephrine. These results contribute to the understanding of the neurobiology and underline the importance of standardized procedures for CSF handling to allow comparisons between studies.
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Affiliation(s)
- Celien Tigchelaar
- Department of Anaesthesiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands.
| | - Willemien D. Muller
- grid.4830.f0000 0004 0407 1981Department of Anaesthesiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Sawal D. Atmosoerodjo
- grid.4830.f0000 0004 0407 1981Department of Anaesthesiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Klaas J. Wardenaar
- grid.4830.f0000 0004 0407 1981Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Ido P. Kema
- grid.4830.f0000 0004 0407 1981Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Anthony R. Absalom
- grid.4830.f0000 0004 0407 1981Department of Anaesthesiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Martijn van Faassen
- grid.4830.f0000 0004 0407 1981Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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8
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Prenatal SAMe Treatment Induces Changes in Brain Monoamines and in the Expression of Genes Related to Monoamine Metabolism in a Mouse Model of Social Hierarchy and Depression, Probably via an Epigenetic Mechanism. Int J Mol Sci 2022; 23:ijms231911898. [PMID: 36233200 PMCID: PMC9569718 DOI: 10.3390/ijms231911898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/25/2022] [Accepted: 09/28/2022] [Indexed: 11/16/2022] Open
Abstract
Reduction in the levels of monoamines, such as serotonin and dopamine in the brain, were reported in patients and animals with depression. SAMe, a universal methyl donor and an epigenetic modulator, is successfully used as an adjunct treatment of depression. We previously found that prenatal treatment with SAMe of Submissive (Sub) mice that serve as a model for depression alleviated many of the behavioral depressive symptoms. In the present study, we treated pregnant Sub mice with 20 mg/kg of SAMe on days 12–15 of gestation and studied the levels of monoamines and the expression of genes related to monoamines metabolism in their prefrontal cortex (PFC) at the age of 3 months. The data were compared to normal saline-treated Sub mice that exhibit depressive-like symptoms. SAMe increased the levels of serotonin in the PFC of female Sub mice but not in males. The levels of 5-HIAA were not changed. SAMe increased the levels of dopamine and of DOPAC in males and females but increased the levels of HVA only in females. The levels of norepinephrine and its metabolite MHPG were unchanged. SAMe treatment changed the expression of several genes involved in the metabolism of these monoamines, also in a sex-related manner. The increase in several monoamines induced by SAMe in the PFC may explain the alleviation of depressive-like symptoms. Moreover, these changes in gene expression more than 3 months after treatment probably reflect the beneficial effects of SAMe as an epigenetic modulator in the treatment of depression.
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9
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Hersey M, Reneaux M, Berger SN, Mena S, Buchanan AM, Ou Y, Tavakoli N, Reagan LP, Clopath C, Hashemi P. A tale of two transmitters: serotonin and histamine as in vivo biomarkers of chronic stress in mice. J Neuroinflammation 2022; 19:167. [PMID: 35761344 PMCID: PMC9235270 DOI: 10.1186/s12974-022-02508-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 06/01/2022] [Indexed: 12/12/2022] Open
Abstract
Background Stress-induced mental illnesses (mediated by neuroinflammation) pose one of the world’s most urgent public health challenges. A reliable in vivo chemical biomarker of stress would significantly improve the clinical communities’ diagnostic and therapeutic approaches to illnesses, such as depression. Methods Male and female C57BL/6J mice underwent a chronic stress paradigm. We paired innovative in vivo serotonin and histamine voltammetric measurement technologies, behavioral testing, and cutting-edge mathematical methods to correlate chemistry to stress and behavior. Results Inflammation-induced increases in hypothalamic histamine were co-measured with decreased in vivo extracellular hippocampal serotonin in mice that underwent a chronic stress paradigm, regardless of behavioral phenotype. In animals with depression phenotypes, correlations were found between serotonin and the extent of behavioral indices of depression. We created a high accuracy algorithm that could predict whether animals had been exposed to stress or not based solely on the serotonin measurement. We next developed a model of serotonin and histamine modulation, which predicted that stress-induced neuroinflammation increases histaminergic activity, serving to inhibit serotonin. Finally, we created a mathematical index of stress, Si and predicted that during chronic stress, where Si is high, simultaneously increasing serotonin and decreasing histamine is the most effective chemical strategy to restoring serotonin to pre-stress levels. When we pursued this idea pharmacologically, our experiments were nearly identical to the model’s predictions. Conclusions This work shines the light on two biomarkers of chronic stress, histamine and serotonin, and implies that both may be important in our future investigations of the pathology and treatment of inflammation-induced depression. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-022-02508-9.
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Affiliation(s)
- Melinda Hersey
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA.,Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina School of Medicine, Columbia, SC, 29209, USA
| | - Melissa Reneaux
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Shane N Berger
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Sergio Mena
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Anna Marie Buchanan
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Yangguang Ou
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Navid Tavakoli
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Lawrence P Reagan
- Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina School of Medicine, Columbia, SC, 29209, USA.,Columbia VA Health Care Systems, Columbia, SC, 29208, USA
| | - Claudia Clopath
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Parastoo Hashemi
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA. .,Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK.
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10
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Mousten IV, Sørensen NV, Christensen RHB, Benros ME. Cerebrospinal Fluid Biomarkers in Patients With Unipolar Depression Compared With Healthy Control Individuals: A Systematic Review and Meta-analysis. JAMA Psychiatry 2022; 79:571-581. [PMID: 35442429 PMCID: PMC9021989 DOI: 10.1001/jamapsychiatry.2022.0645] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
IMPORTANCE Depression has been associated with alterations in neurotransmitters, hormones, and inflammatory and neurodegenerative biomarkers, and biomarkers quantified in the cerebrospinal fluid (CSF) are more likely to reflect ongoing biochemical changes within the brain. However, a comprehensive overview of CSF biomarkers is lacking and could contribute to the pathophysiological understanding of depression. OBJECTIVE To investigate differences in quantified CSF biomarkers in patients with unipolar depression compared with healthy control individuals. DATA SOURCES PubMed, EMBASE, PsycINFO, Cochrane Library, Web of Science, and ClinicalTrials.gov were searched for eligible trials from database inception to August 25, 2021. STUDY SELECTION All studies investigating CSF biomarkers in individuals 18 years and older with unipolar depression and healthy control individuals were included. One author screened titles and abstracts, and 2 independent reviewers examined full-text reports. Studies that did not include healthy control individuals or included control individuals with recent hospital contacts or admissions that might affect CSF biomarker concentrations were excluded. DATA EXTRACTION AND SYNTHESIS Data extraction and quality assessment were performed by 2 reviewers following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) and Meta-analysis of Observational Studies in Epidemiology (MOOSE) reporting guidelines. Meta-analyses were performed using standardized mean differences (SMDs) calculated with random-effects models. A third investigator was consulted if the 2 reviewers reached different decisions or when in doubt. MAIN OUTCOMES AND MEASURES Quantifiable CSF biomarkers. RESULTS A total of 167 studies met eligibility criteria, and 97 had available data and were included in the meta-analysis. These 97 studies comprised 165 biomarkers, 42 of which were quantified in 2 or more studies. CSF levels of interleukin 6 (7 studies; SMD, 0.35; 95% CI, 0.12 to 0.59; I2 = 16%), total protein (5 studies; SMD, 0.53; 95% CI, 0.35 to 0.72; I2 = 0%), and cortisol (2 studies; SMD, 1.23; 95% CI, 0.89 to 1.57; I2 = 0%) were higher in patients with unipolar depression compared with healthy control individuals, whereas homovanillic acid (17 studies; SMD, -0.26; 95% CI, -0.39 to -0.14; I2 = 11%), γ-aminobutyric acid (4 studies; SMD, -0.50; 95% CI, -0.92 to -0.08; I2 = 55%), somatostatin (5 studies; SMD, -1.49; 95% CI, -2.53 to -0.45; I2 = 91%), brain-derived neurotrophic factor (3 studies; SMD, -0.58; 95% CI, -0.97 to -0.19; I2 = 0%), amyloid-β 40 (3 studies; SMD, -0.80; 95% CI, -1.14 to -0.46; I2 = 0%), and transthyretin (2 studies; SMD, -0.82; 95% CI, -1.37 to -0.27; I2 = 0%) were lower. The remaining 33 biomarkers had nonsignificant results. CONCLUSIONS AND RELEVANCE The findings of this systematic review and meta-analysis point toward a dysregulated dopaminergic system, a compromised inhibitory system, hypothalamic-pituitary-adrenal axis hyperactivity, increased neuroinflammation and blood-brain barrier permeability, and impaired neuroplasticity as important factors in depression pathophysiology.
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Affiliation(s)
- Ina Viktoria Mousten
- Biological and Precision Psychiatry, Copenhagen Research Centre for Mental Health, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark
| | - Nina Vindegaard Sørensen
- Biological and Precision Psychiatry, Copenhagen Research Centre for Mental Health, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark,Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Rune Haubo B. Christensen
- Biological and Precision Psychiatry, Copenhagen Research Centre for Mental Health, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark
| | - Michael Eriksen Benros
- Biological and Precision Psychiatry, Copenhagen Research Centre for Mental Health, Mental Health Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark,Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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11
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Egerton S, Donoso F, Fitzgerald P, Gite S, Fouhy F, Whooley J, Dinan TG, Cryan JF, Culloty SC, Ross RP, Stanton C. Investigating the potential of fish oil as a nutraceutical in an animal model of early life stress. Nutr Neurosci 2022; 25:356-378. [PMID: 32734823 DOI: 10.1080/1028415x.2020.1753322] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Background: Early life stress is a key predisposing factor for depression and anxiety disorders. Selective serotonin re-uptake inhibitors (SSRI) are frequently used as the first line of pharmacology treatment for depression but have several negative qualities, i.e. a delay or absence of effectiveness and negative side-effects. Therefore, there is a growing need for new nutraceutical-based strategies to blunt the effects of adverse-life events.Objectives: This study aimed to use the maternal separation model in rats to test the efficacy of fish oil dietary supplementation, on its own and in conjunction with the SSRI anti-depressant fluoxetine, as a treatment for depressive and anxiety-like symptoms associated with early life stress.Methods: Behavioural tests (open field test, elevated plus maze test and forced swim test) and biochemical markers (corticosterone, BDNF, brain fatty acids and short chain fatty acids) were used to analyse the effects of the dietary treatments. Gut microbial communities and relating metabolites (SCFA) were analysed to investigate possible changes in the microbiota-gut-brain axis.Results: Maternally separated rats showed depressive-like behaviours in the forced swim and open field tests. These behaviours were prevented significantly by fluoxetine administration and in part by fish oil supplementation. Associated biochemical changes reported include altered brain fatty acids, significantly lower plasma corticosterone levels (AUC) and reduced brain stem serotonin turnover, compared to untreated, maternally separated (MS) rats. Untreated MS animals had significantly lower ratios of SCFA producers such as Caldicoprobacteraceae, Streptococcaceae, Rothia, Lachnospiraceae_NC2004_group, and Ruminococcus_2, along with significantly reduced levels of total SCFA compared to non-separated animals. Compared to untreated MS animals, animals fed fish oil had significantly higher Bacteroidetes and Prevotellaceae and reduced levels of butyrate, while fluoxetine treatment resulted in significantly higher levels of Neochlamydia, Lachnoclostridium, Acetitomaculum and Stenotrophomonas and, acetate and propionate.Conclusion: Despite the limitations in extrapolating from animal behavioural data and the notable differences in pharmacokinetics between rodents and humans, the results of this study provide a further advancement into the understanding of some of the complex systems within which nutraceuticals and pharmaceuticals effect the microbiota-gut-brain axis.
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Affiliation(s)
- Sian Egerton
- School of Microbiology, University College Cork, Cork, Ireland
- School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland
- APC Microbiome Ireland, Cork, Ireland
| | - Francisco Donoso
- APC Microbiome Ireland, Cork, Ireland
- Department of Psychiatry and Neurobehavioral Science, University College Cork, Cork, Ireland
| | | | - Snehal Gite
- APC Microbiome Ireland, Cork, Ireland
- Biomarine Ingredients Ireland Ltd., Monaghan, Ireland
| | - Fiona Fouhy
- APC Microbiome Ireland, Cork, Ireland
- Teagasc Food Research Centre, Moorepark, Fermoy, County Cork, Ireland
| | - Jason Whooley
- Biomarine Ingredients Ireland Ltd., Monaghan, Ireland
| | - Ted G Dinan
- APC Microbiome Ireland, Cork, Ireland
- Department of Psychiatry and Neurobehavioral Science, University College Cork, Cork, Ireland
| | - John F Cryan
- APC Microbiome Ireland, Cork, Ireland
- Department of Anatomy & Neuroscience, University College Cork, Cork, Ireland
| | - Sarah C Culloty
- School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland
- Environmental Research Institute, University College Cork, Cork, Ireland
| | - R Paul Ross
- School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, Cork, Ireland
| | - Catherine Stanton
- APC Microbiome Ireland, Cork, Ireland
- Department of Psychiatry and Neurobehavioral Science, University College Cork, Cork, Ireland
- Teagasc Food Research Centre, Moorepark, Fermoy, County Cork, Ireland
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12
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Central nervous system monoaminergic activity in hip osteoarthritis patients with disabling pain: associations with pain severity and central sensitization. Pain Rep 2022; 7:e988. [PMID: 35097309 PMCID: PMC8789209 DOI: 10.1097/pr9.0000000000000988] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 11/08/2021] [Accepted: 12/17/2021] [Indexed: 12/19/2022] Open
Abstract
In patients with osteoarthritis undergoing total hip arthroplasty, higher cerebrospinal fluid concentrations of serotonin and dopamine metabolites are associated with increased pain severity and central sensitization. Introduction: Objectives: Methods: Results: Conclusions:
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13
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Hersey M, Hashemi P, Reagan LP. Integrating the monoamine and cytokine hypotheses of depression: Is histamine the missing link? Eur J Neurosci 2021; 55:2895-2911. [PMID: 34265868 DOI: 10.1111/ejn.15392] [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: 11/13/2020] [Revised: 06/26/2021] [Accepted: 07/06/2021] [Indexed: 12/28/2022]
Abstract
Psychiatric diseases, like depression, largely affect the central nervous system (CNS). While the underlying neuropathology of depressive illness remains to be elucidated, several hypotheses have been proposed as molecular underpinnings for major depressive disorder, including the monoamine hypothesis and the cytokine hypothesis. The monoamine hypothesis has been largely supported by the pharmaceuticals that target monoamine neurotransmitters as a treatment for depression. However, these antidepressants have come under scrutiny due to their limited clinical efficacy, side effects, and delayed onset of action. The more recent, cytokine hypothesis of depression is supported by the ability of immune-active agents to induce "sickness behaviour" akin to that seen with depression. However, treatments that more selectively target inflammation have yielded inconsistent antidepressive results. As such, neither of these hypotheses can fully explain depressive illness pathology, implying that the underlying neuropathological mechanisms may encompass aspects of both theories. The goal of the current review is to integrate these two well-studied hypotheses and to propose a role for histamine as a potential unifying factor that links monoamines to cytokines. Additionally, we will focus on stress-induced depression, to provide an updated perspective of depressive illness research and thereby identify new potential targets for the treatment of major depressive disorder.
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Affiliation(s)
- Melinda Hersey
- Department of Pharmacology, Physiology & Neuroscience, University of South Carolina School of Medicine, Columbia, South Carolina, USA.,Department of Chemistry & Biochemistry, University of South Carolina, Columbia, South Carolina, USA
| | - Parastoo Hashemi
- Department of Chemistry & Biochemistry, University of South Carolina, Columbia, South Carolina, USA.,Department of Bioengineering, Imperial College, London, UK
| | - Lawrence P Reagan
- Department of Pharmacology, Physiology & Neuroscience, University of South Carolina School of Medicine, Columbia, South Carolina, USA.,WJB Dorn Veterans Affairs Medical Center, Columbia, South Carolina, USA
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14
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Tigchelaar C, Atmosoerodjo SD, van Faassen M, Wardenaar KJ, De Deyn PP, Schoevers RA, Kema IP, Absalom AR. The Anaesthetic Biobank of Cerebrospinal fluid: a unique repository for neuroscientific biomarker research. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:455. [PMID: 33850852 PMCID: PMC8039635 DOI: 10.21037/atm-20-4498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Background The pathophysiology of numerous central nervous system disorders remains poorly understood. Biomarker research using cerebrospinal fluid (CSF) is a promising way to illuminate the neurobiology of neuropsychiatric disorders. CSF biomarker studies performed so far generally included patients with neurodegenerative diseases without an adequate control group. The Anaesthetic Biobank of Cerebrospinal fluid (ABC) was established to address this. The aims are to (I) provide healthy-control reference values for CSF-based biomarkers, and (II) to investigate associations between CSF-based candidate biomarkers and neuropsychiatric symptoms. Methods In this cross-sectional study, we collect and store CSF and blood from adult patients undergoing spinal anaesthesia for elective surgery. Blood (20.5 mL) is collected during intravenous cannulation and CSF (10 mL) is aspirated prior to intrathecal local anaesthetic injection. A portion of the blood and CSF is sent for routine laboratory analyses, the remaining material is stored at -80 °C. Relevant clinical, surgical and anaesthetic data are registered. A neurological examination and Montreal Cognitive Assessment (MoCA) are performed pre-operatively and a subset of patients fill in questionnaires on somatic and mental health (depression, anxiety and stress). Results Four-hundred-fifty patients (58% male; median age: 56 years) have been enrolled in the ABC. The planned spinal anaesthetic procedure was not attempted for various reasons in eleven patients, in fourteen patients the spinal puncture failed and in twelve patients CSF aspiration was unsuccessful. A mean of 9.3 mL CSF was obtained in the remaining 413 of patients. Most patients had a minor medical history and 60% scored in the normal range on the MoCA (median score: 26). Conclusions The ABC is an ongoing biobanking project that can contribute to CSF-based biomarker research. The large sample size with constant sampling methods and extensive patient phenotyping provide excellent conditions for future neuroscientific research.
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Affiliation(s)
- Celien Tigchelaar
- Department of Anesthesiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Sawal D Atmosoerodjo
- Department of Anesthesiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Martijn van Faassen
- Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Klaas J Wardenaar
- Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Peter P De Deyn
- Department of Neurology and Alzheimer Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Laboratory of Neurochemistry and Behavior, Department of Biomedical Sciences, Institute Born-Bunge, University of Antwerp, Belgium.,Department of Neurology and Memory Clinic, Hospital Network Antwerp (ZNA) Middelheim and Hoge Beuken, Antwerp, Belgium.,Biobank, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - Robert A Schoevers
- Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Ido P Kema
- Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Anthony R Absalom
- Department of Anesthesiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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15
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An early increase in glutamate is critical for the development of depression-like behavior in a chronic restraint stress (CRS) model. Brain Res Bull 2020; 162:59-66. [PMID: 32505508 DOI: 10.1016/j.brainresbull.2020.05.013] [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] [Received: 02/23/2020] [Revised: 05/20/2020] [Accepted: 05/27/2020] [Indexed: 11/17/2022]
Abstract
Dysfunction in glutamate homeostasis contributes to the pathology of depression-like behavior. Using a chronic restraint stress (CRS) model of depression in C57BL/6 mice, we measured glutamate levels in the cerebrospinal fluid at different restraint time points (CRS 1 d, CRS 3 d, CRS 5 d, CRS 7 d, CRS 14 d, and CRS 21 d). Glutamate levels were increased in the early stage of stress (CRS 1 d and CRS 5 d) but returned to basal levels at the other time points (CRS 7 d-21 d). We hypothesized that glutamate-induced excitotoxicity is critical for the development of depression-like behavior in the CRS model. Treatment with sodium valproate (VPA) or lamotrigine (LTG), two drugs that prevent excitotoxicity in neurons by increasing inhibitory inputs or blocking sodium channels, in the early stage (CRS 1 d-5 d) was sufficient to correct depression-like behavior. In contrast, treatment with the classic antidepressant fluoxetine (FLX) during the same time period was not sufficient to correct depressive behavior. Western blot of two markers of dendritic spines PSD95 and VGluT1 showed that restraining mice for 5 d resulted in the loss of dendritic spines, which was rescued by VPA or LTG. In conclusion, an initial increase in glutamate levels plays an important role in the development of depression-like behavior in the CRS model.
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16
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Greaney JL, Dillon GA, Saunders EFH, Alexander LM. Peripheral microvascular serotoninergic signaling is dysregulated in young adults with major depressive disorder. J Appl Physiol (1985) 2020; 128:100-107. [PMID: 31751182 DOI: 10.1152/japplphysiol.00603.2019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Dysfunction of the brain serotonergic system is implicated in the pathogenesis of major depressive disorder (MDD). Serotonin is also a vasoactive signaling molecule, the effects of which are modulated by both nitric oxide (NO) and the serotonin transporter [the primary target of selective serotonin reuptake inhibitors (SSRIs)]. Despite its role in the neurobiology of depression, serotoninergic signaling mechanisms in the microvasculature of adults with MDD are unknown. We hypothesized that 1) cutaneous microvascular responsiveness to serotonin would be attenuated in MDD and mediated by reductions in both 2) NO-dependent and 3) serotonin reuptake-dependent mechanisms. In 12 adults with MDD (nonmedicated) and 12 nondepressed adults, red cell flux (laser-Doppler flowmetry) was measured during graded intradermal microdialysis perfusion of 1) serotonin (10-10 to 10-1 mol/L) alone and in combination with a nonselective NO synthase inhibitor NG-nitro-l-arginine methyl ester (l-NAME; 15 mmol/L) and the SSRI paroxetine (10 μmol/L); and 2) paroxetine (n = 6; 10-9 to 10-2 M) alone and in combination with l-NAME. Serotonin-induced vasodilation was preserved in MDD. The NO-dependent component of serotonin-induced vasodilation was not different between groups. Paroxetine augmented vasodilatory responsiveness to serotonin via NO-dependent mechanisms in both groups; however, the magnitude was blunted in MDD. The NO contribution to direct paroxetine-induced vasodilation was also reduced in adults with MDD. Collectively, these preliminary data suggest that cutaneous microvascular serotoninergic signaling is dysregulated in adults with MDD and mediated by NO-dependent and serotonin reuptake-dependent mechanisms, providing initial mechanistic insight to the purported vasculoprotective effect of chronic SSRI treatment.NEW & NOTEWORTHY Cutaneous microvascular vasodilatory responsiveness to serotonin was preserved in adults with major depressive disorder (MDD). However, the contribution of serotonin reuptake-dependent mechanisms to serotonin-induced dilation was reduced in MDD. Direct perfusion of the selective serotonin reuptake inhibitor (SSRI) paroxetine elicited vasodilation that is partially mediated by nitric oxide (NO)-dependent mechanisms, but these responses were blunted in MDD, reflective of a diminished contribution of NO to the direct effects of a SSRI on the cutaneous microvasculature.
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Affiliation(s)
- Jody L Greaney
- Noll Laboratory, Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania.,Department of Kinesiology, The University of Texas at Arlington, Arlington, Texas
| | - Gabrielle A Dillon
- Noll Laboratory, Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
| | - Erika F H Saunders
- Department of Psychiatry, Penn State College of Medicine, Hershey, Pennsylvania
| | - Lacy M Alexander
- Noll Laboratory, Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
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17
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Knorr U, Forman J, Pech J, Kessing LV. Low level of evidence for reduced homovanillic acid (HVA) in the cerebrospinal fluid of patients with depression compared to healthy non-psychiatric control individuals. J Affect Disord 2019; 257:585-588. [PMID: 31326691 DOI: 10.1016/j.jad.2019.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 07/04/2019] [Indexed: 10/26/2022]
Affiliation(s)
- Ulla Knorr
- Copenhagen Affective Disorder Research Center (CADIC), Psychiatric Center Copenhagen, University of Copenhagen, Faculty of Health and Medical Sciences, Denmark; Section of Biostatistics, Department of Public Health, University of Copenhagen, Denmark.
| | - Julie Forman
- Copenhagen Affective Disorder Research Center (CADIC), Psychiatric Center Copenhagen, University of Copenhagen, Faculty of Health and Medical Sciences, Denmark; Section of Biostatistics, Department of Public Health, University of Copenhagen, Denmark
| | - Josefine Pech
- Copenhagen Affective Disorder Research Center (CADIC), Psychiatric Center Copenhagen, University of Copenhagen, Faculty of Health and Medical Sciences, Denmark; Section of Biostatistics, Department of Public Health, University of Copenhagen, Denmark
| | - Lars Vedel Kessing
- Copenhagen Affective Disorder Research Center (CADIC), Psychiatric Center Copenhagen, University of Copenhagen, Faculty of Health and Medical Sciences, Denmark; Section of Biostatistics, Department of Public Health, University of Copenhagen, Denmark
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18
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Yoshimura R, Kishi T, Iwata N. Plasma levels of IL-6 in patients with untreated major depressive disorder: comparison with catecholamine metabolites. Neuropsychiatr Dis Treat 2019; 15:2655-2661. [PMID: 31686824 PMCID: PMC6752655 DOI: 10.2147/ndt.s195379] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 01/29/2019] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE IL-6 and catecholamines play roles in the pathophysiology of major depressive disorder (MDD). AIM The present study investigated associations between plasma IL-6 and plasma catecholamine metabolites in patients with MDD. PARTICIPANTS AND METHODS A total of 148 patients (male/female 65/83, age 49.5±12.1 years) who met the criteria for MDD based on the Diagnostic and Statistical Manual of Mental Disorders IV and 40 participants as healthy controls (HC; male/female 23/17, age 44.0±10.5 years) were enrolled in the present study. Plasma levels of 3-methoxy-4-hydroxyphenylglycol (MHPG) and homovanillic acid (HVA) were analyzed using high-performance liquid chromatography, and plasma IL-6 levels were measured using ELISA. RESULTS No correlations were observed among plasma IL-6 levels, MHPG levels, and HVA levels in patients with MDD. Plasma IL-6 levels in patients with MDD were significantly higher than in the HC. A positive correlation was found between plasma IL-6 levels and Hamilton Rating Scale for Depression-17 scores. CONCLUSION No correlations existed between plasma IL-6 levels and plasma catecholamine metabolite levels in patients with MDD, and the severity of depressive state was related to plasma IL-6 levels in MDD.
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Affiliation(s)
- Reiji Yoshimura
- Department of Psychiatry, University of Occupational and Environmental Health, Kitakyushu, Fukuoka8078555, Japan
| | - Taro Kishi
- Department of Psychiatry, Fujita Medical University, Toyoake Aichi4701192, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Medical University, Toyoake Aichi4701192, Japan
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19
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Ogawa S, Kunugi H. Evidence for reduced homovanillic acid (HVA) in the cerebrospinal fluid of patients with depression. J Affect Disord 2019; 255:S0165-0327(18)33267-1. [PMID: 31006502 DOI: 10.1016/j.jad.2019.04.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 03/06/2019] [Accepted: 04/07/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Shintaro Ogawa
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-Higashi, Kodaira, Tokyo 187-8502, Japan
| | - Hiroshi Kunugi
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-Higashi, Kodaira, Tokyo 187-8502, Japan.
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