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Alimohammadi‐Kamalabadi M, Ziaei S, Hasani M, Mohammadi S, Mehrbod M, Morvaridi M, Persad E, Belančić A, Malekahmadi M, Estêvão MDDMADO, Daneshzad E, Heshmati J. Does vitamin D supplementation impact serotonin levels? A systematic review and meta-analysis. Health Sci Rep 2024; 7:e2276. [PMID: 39086509 PMCID: PMC11287715 DOI: 10.1002/hsr2.2276] [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: 07/15/2023] [Revised: 06/10/2024] [Accepted: 07/10/2024] [Indexed: 08/02/2024] Open
Abstract
Background and Aims Vitamin D deficiency impacts a significant proportion of the world's population, and this deficiency has been linked to various conditions characterized by imbalanced serotonin regulation. The objective of this systematic review and meta-analysis was to evaluate the effect of vitamin D supplementation on serum serotonin levels. Methods We conducted a comprehensive search of PubMed, Scopus, Cochrane Central for Randomized Clinical Trials, and Web of Science up to September 2022, without any language restrictions. The effect sizes were calculated using the standard mean difference (SMD) and 95% confidence interval (CI). Results Six randomized clinical trials involving 356 participants were included in the analysis. Our findings indicated no significant changes in serotonin levels between the intervention and control groups (SMD: 0.24 ng/mL, 95% CI: -0.28, 0.75, p > 0.10). Subgroup analysis also did not reveal any significant changes in serotonin levels among children, participants with autism spectrum disorders, interventions lasting 10 weeks or longer, or those receiving vitamin D doses below 4000 IU/day. Conclusion Although the results obtained in this systematic review are inconclusive, they support the need for further well-designed randomized trials to assess the potential role of vitamin D supplementation in regulating serotonin levels and potentially ameliorating depression and related disorders.
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Affiliation(s)
- Malek Alimohammadi‐Kamalabadi
- Department of Cellular‐Molecular Nutrition, School of Nutritional Sciences and DieteticsTehran University of Medical SciencesTehranIran
| | - Somayeh Ziaei
- ICU Department, Emam Reza HospitalKermanshah University of Medical SciencesKermanshahIran
| | - Motahareh Hasani
- Department of Nutritional Sciences, School of HealthGolestan University of Medical SciencesGorganIran
| | - Shooka Mohammadi
- Department of Social and Preventive Medicine, Faculty of MedicineUniversity of MalayaKuala LumpurMalaysia
| | - Milad Mehrbod
- Department of Internal Medicine, Faculty of MedicineTehran University of Medical SciencesTehranIran
| | - Mehrnaz Morvaridi
- Department of Nutrition, School of Public HealthIran University of Medical SciencesTehranIran
| | - Emma Persad
- Department for Evidence‐based Medicine and EvaluationDanube University KremsKremsAustria
| | - Andrej Belančić
- Department of Basic and Clinical Pharmacology with Toxicology, Faculty of MedicineUniversity of RijekaRijekaCroatia
| | - Mahsa Malekahmadi
- Imam Khomeini Hospital ComplexTehran University of Medicinal Sciences Tehran Iran, Tehran University of Medical SciencesTehranIran
| | | | - Elnaz Daneshzad
- Non‐Communicable Diseases Research CenterAlborz University of Medical SciencesKarajIran
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Tejeda-Martínez AR, Ramos-Molina AR, Brand-Rubalcava PA, Flores-Soto ME. Involvement of serotonergic receptors in depressive processes and their modulation by β-arrestins: A review. Medicine (Baltimore) 2024; 103:e38943. [PMID: 38996114 PMCID: PMC11245247 DOI: 10.1097/md.0000000000038943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/14/2024] Open
Abstract
Over time, several studies have been conducted to demonstrate the functions of the neurotransmitter 5-hydroxytryptamine (5-HT), better known as serotonin. This neurotransmitter is associated with the modulation of various social and physiological behaviors, and its dysregulation has consequences at the behavioral level, leading to various neurophysiological disorders. Disorders such as anxiety, depression, schizophrenia, epilepsy, sexual disorders, and eating disorders, have been closely linked to variations in 5-HT concentrations and modifications in brain structures, including the raphe nuclei (RN), prefrontal cortex, basal ganglia, hippocampus, and hypothalamus, among others. The involvement of β-arrestin proteins has been implicated in the modulation of the serotonergic receptor response, as well as the activation of different signaling pathways related to the serotonergic system, this is particularly relevant in depressive disorders. This review will cover the implications of alterations in 5-HT receptor expression in depressive disorders in one hand and how β-arrestin proteins modulate the response mediated by these receptors in the other hand.
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Affiliation(s)
- Aldo R Tejeda-Martínez
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social, Guadalajara, México
| | - Ana R Ramos-Molina
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social, Guadalajara, México
| | - Patricia A Brand-Rubalcava
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social, Guadalajara, México
- Departamento de Ingeniería Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, México
| | - Mario E Flores-Soto
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social, Guadalajara, México
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Spildrejorde M, Leithaug M, Samara A, Aass HCD, Sharma A, Acharya G, Nordeng H, Gervin K, Lyle R. Citalopram exposure of hESCs during neuronal differentiation identifies dysregulated genes involved in neurodevelopment and depression. Front Cell Dev Biol 2024; 12:1428538. [PMID: 39055655 PMCID: PMC11269147 DOI: 10.3389/fcell.2024.1428538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Accepted: 06/13/2024] [Indexed: 07/27/2024] Open
Abstract
Selective serotonin reuptake inhibitors (SSRIs), including citalopram, are widely used antidepressants during pregnancy. However, the effects of prenatal exposure to citalopram on neurodevelopment remain poorly understood. We aimed to investigate the impact of citalopram exposure on early neuronal differentiation of human embryonic stem cells using a multi-omics approach. Citalopram induced time- and dose-dependent effects on gene expression and DNA methylation of genes involved in neurodevelopmental processes or linked to depression, such as BDNF, GDF11, CCL2, STC1, DDIT4 and GAD2. Single-cell RNA-sequencing analysis revealed distinct clusters of stem cells, neuronal progenitors and neuroblasts, where exposure to citalopram subtly influenced progenitor subtypes. Pseudotemporal analysis showed enhanced neuronal differentiation. Our findings suggest that citalopram exposure during early neuronal differentiation influences gene expression patterns associated with neurodevelopment and depression, providing insights into its potential neurodevelopmental impact and highlighting the importance of further research to understand the long-term consequences of prenatal SSRI exposure.
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Affiliation(s)
- Mari Spildrejorde
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Division of Clinical Neuroscience, Department of Research and Innovation, Oslo University Hospital, Oslo, Norway
| | - Magnus Leithaug
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Athina Samara
- Division of Clinical Paediatrics, Department of Women’s and Children’s Health, Karolinska Institutet, Solna, Sweden
- Astrid Lindgren Children′s Hospital, Karolinska University Hospital, Stockholm, Sweden
- Department of Biomaterials, FUTURE Center for Functional Tissue Reconstruction, University of Oslo, Oslo, Norway
| | - Hans Christian D. Aass
- The Flow Cytometry Core Facility, Department of Medical Biochemistry, Oslo University Hospital, Ullevål, Oslo, Norway
| | - Ankush Sharma
- Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B-cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Precision Immunotherapy Alliance, University of Oslo, Oslo, Norway
| | - Ganesh Acharya
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Solna, Sweden
- Center for Fetal Medicine, Karolinska University Hospital, Solna, Sweden
| | - Hedvig Nordeng
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
- Pharmacoepidemiology and Drug Safety Research Group, Department of Pharmacy, University of Oslo, Oslo, Norway
| | - Kristina Gervin
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
- Division of Clinical Neuroscience, Department of Research and Innovation, Oslo University Hospital, Oslo, Norway
- Pharmacoepidemiology and Drug Safety Research Group, Department of Pharmacy, University of Oslo, Oslo, Norway
| | - Robert Lyle
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
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Akter M, Roknuzzaman ASM, Shahriar M, Islam SMA, Ahmed Bhuiyan M, Qusar MMAS, Kabir ER, Islam R. Evaluation of serum MIP-1β and MCP-2 levels in major depressive disorder: A case-control study. PLoS One 2024; 19:e0305734. [PMID: 38889138 PMCID: PMC11185482 DOI: 10.1371/journal.pone.0305734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 06/04/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Major depressive disorder (MDD) is a common and debilitating mental illness characterized by persistent feelings of sadness, hopelessness, and a lack of interest in daily activities. The objective of this study was to investigate whether levels of macrophage inflammatory protein-1β (MIP-1β) and macrophage chemoattractant protein-2 (MCP-2) in the blood were associated with the pathophysiology and development of MDD compared to healthy controls (HCs). METHODS This case-control study was conducted involving 50 MDD patients and 38 HCs. We performed a comprehensive assessment to match age, sex, BMI, and socio-demographic profile between the groups. The study excluded participants with chronic infection, inflammatory diseases, coexisting psychiatric disorder, history of liver and kidney diseases, and individuals who are under antipsychotic medications. A professional psychiatrist diagnosed MDD patients and evaluated HCs based on the Diagnostic and Statistical Manual of Mental Disorders-5 (DSM-5) criteria. The severity of depression was assessed using the Hamilton Depression (Ham-D) rating scale. Commercially available enzyme-linked immunosorbent assay (ELISA) kits were used to quantify the serum MIP-1β and MCP-2 levels. RESULTS The results indicated elevated serum MIP-1β levels (207.73±24.24 pg/ml) in MDD patients compared to HCs (58.77±9.14 pg/ml). This difference in concentration is positively correlated with severity of disease symptoms (r = 0.451; p<0.001). Similarly, the levels of MCP-2 were found to be elevated in patients compared to controls (143.61±19.92 vs. 56.84±4.02 pg/ml; p = 0.003), with a positive correlation with the Ham-D scores (r = 0.373; p = 0.004). CONCLUSION According to this study, elevated levels of MIP-1β and MCP-2 may be associated with the pathophysiology and development of MDD. These increased serum MIP-1β and MCP-2 levels could be used as risk assessment tools for MDD. The present findings urge further research and the development of therapeutic and diagnostic approaches for depression.
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Affiliation(s)
- Mariya Akter
- Department of Pharmacy, University of Asia Pacific, Farmgate, Dhaka, Bangladesh
| | | | - Mohammad Shahriar
- Department of Pharmacy, University of Asia Pacific, Farmgate, Dhaka, Bangladesh
| | | | | | | | - Eva Rahman Kabir
- School of Pharmacy, BRAC University, Merul Badda, Dhaka, Bangladesh
| | - Rabiul Islam
- School of Pharmacy, BRAC University, Merul Badda, Dhaka, Bangladesh
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Gärde M, Matheson GJ, Varnäs K, Svenningsson P, Hedman-Lagerlöf E, Lundberg J, Farde L, Tiger M. Altered Serotonin 1B Receptor Binding After Escitalopram for Depression Is Correlated With Treatment Effect. Int J Neuropsychopharmacol 2024; 27:pyae021. [PMID: 38695786 PMCID: PMC11119883 DOI: 10.1093/ijnp/pyae021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND Major depressive disorder (MDD) is commonly treated with selective serotonin reuptake inhibitors (SSRIs). SSRIs inhibit the serotonin transporter (5-HTT), but the downstream antidepressant mechanism of action of these drugs is poorly understood. The serotonin 1B (5-HT1B) receptor is functionally linked to 5-HTT and 5-HT1B receptor binding and 5-HT1B receptor mRNA is reduced in the raphe nuclei after SSRI administration in primates and rodents, respectively. The effect of SSRI treatment on 5-HT1B receptor binding in patients with MDD has not been examined previously. This positron emission tomography (PET) study aimed to quantify brain 5-HT1B receptor binding changes in vivo after SSRI treatment for MDD in relation to treatment effect. METHODS Eight unmedicated patients with moderate to severe MDD underwent PET with the 5-HT1B receptor radioligand [11C]AZ10419369 before and after 3 to 4 weeks of treatment with the SSRI escitalopram 10 mg daily. Depression severity was assessed at time of PET and after 6 to 7 weeks of treatment with the Montgomery-Åsberg Depression Rating Scale. RESULTS We observed a significant reduction in [11C]AZ10419369 binding in a dorsal brainstem (DBS) region containing the median and dorsal raphe nuclei after escitalopram treatment (P = .036). Change in DBS [11C]AZ10419369 binding correlated with Montgomery-Åsberg Depression Rating Scale reduction after 3-4 (r = 0.78, P = .021) and 6-7 (r = 0.94, P < .001) weeks' treatment. CONCLUSIONS Our findings align with the previously reported reduction of 5-HT1B receptor binding in the raphe nuclei after SSRI administration and support future studies testing change in DBS 5-HT1B receptor binding as an SSRI treatment response marker.
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Affiliation(s)
- M Gärde
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet and Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - G J Matheson
- Department of Psychiatry, Columbia University, New York, USA
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet and Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - K Varnäs
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet and Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - P Svenningsson
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet and Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - E Hedman-Lagerlöf
- Division of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - J Lundberg
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet and Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - L Farde
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet and Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - M Tiger
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet and Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
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Lim J, Park J, Lee W, Choi HJ. GSK4716 enhances 5-HT1AR expression by glucocorticoid receptor signaling in hippocampal HT22 cells. Neurol Res 2024; 46:398-405. [PMID: 38555524 DOI: 10.1080/01616412.2024.2322180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 02/17/2024] [Indexed: 04/02/2024]
Abstract
OBJECTIVES The serotonin (5-hydroxytryptamine, 5-HT) receptor 1A (5-HT1AR) is closely associated with serotonergic neurotransmission in the brain, being the most prevalent and widely distributed receptor of its kind. The purpose of this study is to investigate the regulation mechanism of 5-HT1AR by GSK4716. METHODS To investigate the mechanism of GSK4716-mediated 5-HT1AR regulation, we used hippocampus-derived HT22 cells expressing 5-HT1AR. The expression level of 5-HT1AR and associated proteins, were detected by reporter gene assay and western blotting. RESULTS GSK4716, an estrogen-related receptor gamma agonist increased 5-HT1AR expression by interacting with the GR, a repressor of 5-HT1AR transcription. Dexamethasone, a GR agonist, decreased the GSK4716-induced increase in 5-HT1AR, which was associated with an alteration in nuclear GR. Furthermore, GR antagonist RU486 reversed the effects induced by dexamethasone, including the elevation of nuclear GR levels and the reduction of 5-HT1AR transcription and expression. CONCLUSION The results could provide insight into the potential applications of small molecules, such as GSK4716, in the regulation of 5-HT1AR expression, which plays a role in serotonergic neurotransmission.
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Affiliation(s)
- Juhee Lim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Woosuk University, Wanju-gun, Jeollabuk-do, Republic of Korea
| | - Jiyeon Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Woosuk University, Wanju-gun, Jeollabuk-do, Republic of Korea
| | - Wonwoong Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Woosuk University, Wanju-gun, Jeollabuk-do, Republic of Korea
| | - Hyun Jin Choi
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, Pocheon-si, Gyeonggi-do, Republic of Korea
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Choudhary D, Kumar B, Kaur R. Nitrogen-containing heterocyclic compounds: A ray of hope in depression? Chem Biol Drug Des 2024; 103:e14479. [PMID: 38361139 DOI: 10.1111/cbdd.14479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/12/2024] [Accepted: 01/31/2024] [Indexed: 02/17/2024]
Abstract
Depression is not similar to daily mood fluctuations and temporary emotional responses to day-to-day activities. Depression is not a passing problem; it is an ongoing problem. It deals with different episodes consisting of several symptoms that last for at least 2 weeks. It can be seen for several weeks, months, or years. At its final stage, or can say, in its worst condition, it can lead to suicide. Antidepressants are used to inhibit the reuptake of the neurotransmitters by some selective receptors, which increase the concentration of specific neurotransmitters around the nerves in the brain. Drugs that are currently being used for the management of various types of depression include selective serotonin reuptake inhibitors, tricyclic antidepressants, atypical antidepressants, serotonin, noradrenaline reuptake inhibitors, etc. In this review, we have outlined different symptoms, causes, and recent advancements in nitrogen-containing heterocyclic drug candidates for the management of depression. This article highlights the various structural features along with the structure-activity relationship (SAR) of nitrogen-containing heterocyclics that play a key role in binding at target sites for potential antidepressant action. The in silico studies were carried out to determine the binding interactions of the target ligands with the receptor site to determine the potential role of substitution patterns at core pharmacophoric features. This article will help medicinal chemists, biochemists, and other interested researchers in identifying the potential pharmacophores as lead compounds for further development of new potent antidepressants.
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Affiliation(s)
- Diksha Choudhary
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Bhupinder Kumar
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Srinagar, Uttarakhand, India
- Department of Chemistry, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, India
| | - Rajwinder Kaur
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
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Pearson K, Beier K, Mardis T, Munoz B, Zaidi A. The Neurochemistry of Depression: The Good, The Bad and The Ugly. MISSOURI MEDICINE 2024; 121:68-75. [PMID: 38404431 PMCID: PMC10887465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
A large constellation of experimental evidence suggests that neuroinflammation is involved in the onset of depression and neurodegenerative disorders. Many studies have shown impairments in tryptophan metabolism, the major pathway for the synthesis of serotonin, the mood regulating neurotransmitter. This article reviews the various metabolites generated in the competing pathways of tryptophan metabolism including the kynurenine pathway. Increased synthesis of the neurotoxic compound quinolinic acid occurs at the expense of the synthesis of the neuroprotective metabolite kynurenic acid. This shift in equilibrium plays a critical role in the induction of oxidative stress, neuroinflammation, and neurotoxicity. Sufficient protein intake with adequate amounts of tryptophan along with dietary antioxidants and flavonoids may offer protection against major depressive and neurodegenerative disorders.
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Affiliation(s)
- Kami Pearson
- Research Associate, Kansas City University, Kansas City, Missouri
| | - Kimberley Beier
- Medical student, Kansas City University, Kansas City, Missouri
| | - Thornton Mardis
- Medical student, Kansas City University, Kansas City, Missouri
| | - Bryan Munoz
- Medical student, Kansas City University, Kansas City, Missouri
| | - Asma Zaidi
- Professor of Biochemistry, Kansas City University, Kansas City, Missouri
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Ngoupaye GT, Mokgokong M, Madlala T, Mabandla MV. Alteration of the α5 GABA receptor and 5HTT lead to cognitive deficits associated with major depressive-like behaviors in a 14-day combined stress rat model. Int J Neurosci 2023; 133:959-976. [PMID: 34937496 DOI: 10.1080/00207454.2021.2019033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 07/13/2021] [Accepted: 12/08/2021] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Current models used to study the pathophysiology of major depressive disorder (MDD) are laborious and time consuming. This study examined the effect of a 14-day combined stress model (CS; corticosterone injection and restraint stress) in male Sprague-Dawley rats and also compare the effect of CS versus 28-day corticosterone treatment on depressive-like behaviour and cognitive deficits. MATERIEL AND METHODS Depressive-like behaviours and cognitive deficits were assessed in the forced swim test (FST), sucrose preference (SPT), Morris water maze (MWM) and novel object recognition (NORT) tests. Real-time PCR and ELISA were respectively used to detect expression of the serotonin transporter (5-HTT), serotonin 1 A receptor (5-HT1A), α5 GABAA receptor, and the concentrations of corticosterone (plasma), GABA and acetylcholinesterase (AChE) in the hippocampus and Prefrontal cortex (PFC).Results CS group showed increased immobility time in the FST, time to reach the MWM platform, higher corticosterone level, and increased expressions of hippocampal and PFC 5-HT1A and α5 GABAA receptors, and AChE compared to their control groups. In contrast, reductions in SPT ratio, discrimination index in NORT, time in target quadrant, and hippocampal 5-HTT expression was noted relative to their control group. Compared to the 28-day corticosterone only group, PFC 5-HT1A, Hippocampal 5-HTT were reduced, while PFC 5-HTT, Hippocampal α5 GABAA receptors, and AChE concentrations were higher in the CS group. CONCLUSION Our CS model induced depressive-like behaviour with early cognitive deficits in rats affecting both hippocampus and PFC. The CS model may be useful in investigating new and comprehensive treatment strategies for MDD.
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Affiliation(s)
- Gwladys Temkou Ngoupaye
- Discipline of Human Physiology, School of Laboratory Medicine & Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
- Department of Animal Biology, Faculty of Science, University of Dschang, Dschang, Cameroon
| | - Makwena Mokgokong
- Discipline of Human Physiology, School of Laboratory Medicine & Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Thobeka Madlala
- Discipline of Human Physiology, School of Laboratory Medicine & Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Musa Vuyisile Mabandla
- Discipline of Human Physiology, School of Laboratory Medicine & Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
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Gottlieb N, Li TY, Young AH, Stokes PRA. The 5-HT7 receptor system as a treatment target for mood and anxiety disorders: A systematic review. J Psychopharmacol 2023; 37:1167-1181. [PMID: 37994803 PMCID: PMC10714716 DOI: 10.1177/02698811231211228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
BACKGROUND Preclinical animal and preliminary human studies indicate that 5-HT7 antagonists have the potential as a new treatment approach for mood and anxiety disorders. In this systematic review, we aimed to review the relationship between the 5-HT7 receptor system and mood and anxiety disorders, and to explore the pharmacology and therapeutic potential of medications that target the 5-HT7 receptor for their treatment. METHODS Medline, Cochrane Library, EMBASE, PsycINFO databases, the National Institute of Health website Clinicaltrials.gov, controlled-trials.com, and relevant grey literature were used to search for original research articles, and reference lists of included articles were then hand searched. RESULTS Sixty-four studies were included in the review: 52 animal studies and 12 human studies. Studies used a variety of preclinical paradigms and questionnaires to assess change in mood, and few studies examined sleep or cognition. Forty-four out of 47 (44/47) preclinical 5-HT7 modulation studies identified potential antidepressant effects and 20/23 studies identified potential anxiolytic effects. In clinical studies, 5/7 identified potential antidepressant effects in major depressive disorder, 1/2 identified potential anxiolytic effects in generalized anxiety disorder, and 3/3 identified potential antidepressant effects in bipolar disorders. CONCLUSION While there is some evidence that the 5-HT7 receptor system may be a potential target for treating mood and anxiety disorders, many agents included in the review also bind to other receptors. Further research is needed using drugs that bind specifically to 5-HT7 receptors to examine treatment proof of concept further.
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Affiliation(s)
- Natalie Gottlieb
- Natalie Gottlieb, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, De Crespigny Park, Denmark Hill, London SE5 8AF, UK.
| | | | - Allan H Young
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
| | - Paul RA Stokes
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
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11
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Mitroshina EV, Marasanova EA, Vedunova MV. Functional Dimerization of Serotonin Receptors: Role in Health and Depressive Disorders. Int J Mol Sci 2023; 24:16416. [PMID: 38003611 PMCID: PMC10671093 DOI: 10.3390/ijms242216416] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/11/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
Understanding the neurobiological underpinnings of depressive disorder constitutes a pressing challenge in the fields of psychiatry and neurobiology. Depression represents one of the most prevalent forms of mental and behavioral disorders globally. Alterations in dimerization capacity can influence the functional characteristics of serotonin receptors and may constitute a contributing factor to the onset of depressive disorders. The objective of this review is to consolidate the current understanding of interactions within the 5-HT receptor family and between 5-HT receptors and members of other receptor families. Furthermore, it aims to elucidate the role of such complexes in depressive disorders and delineate the mechanisms through which antidepressants exert their effects.
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Affiliation(s)
- Elena V. Mitroshina
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Avenue, 603022 Nizhny Novgorod, Russia; (E.A.M.)
| | - Ekaterina A. Marasanova
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Avenue, 603022 Nizhny Novgorod, Russia; (E.A.M.)
| | - Maria V. Vedunova
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Avenue, 603022 Nizhny Novgorod, Russia; (E.A.M.)
- Faculty of Biology and Biotechnology, HSE University, St. Profsoyuznaya, 33, 117418 Moscow, Russia
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12
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Medvedeva AD, Portnova GV, Sysoeva OV. Lower loss rate of serotonergically modulated neuronal accumulator for time in patients with major depressive disorder. J Psychiatr Res 2023; 165:345-351. [PMID: 37586210 DOI: 10.1016/j.jpsychires.2023.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 07/16/2023] [Accepted: 08/08/2023] [Indexed: 08/18/2023]
Abstract
Major depressive disorder (MDD) is characterized by dramatic and persistent worsening of mood, as well as a subjective feeling of time slowing. However, experimental data on time perception are inconsistent. As serotonergic dysfunction implicated in MDD etiology, we aim to examine time perception in MDD through the framework of lossy temporal integration model, previously also related to serotonergic transmission. Thirty-one patients with recurrent depressive disorder in partial remission and thirty control participants, without a history of psychiatric and neurological disorders, performed duration discrimination of visual stimuli (duration ranges from 3.2 to 6.4 s) and subjective minute production tasks. To infer about central serotonergic transmission, an electroencephalogram in response to the 1000 Hz tone of different intensity (50, 60, 70 and 80 dB SPL) was recorded. Patients with MDD shorten the past durations in the duration discrimination task significantly less than controls, thus being more objective. No difference in the subjective minute production was recorded. Patients with MDD have also exhibited larger auditory evoked potentials in response to the tones of high intensity (70 and 80 dB SPL) when compared with the controls. This resulted in a steeper slope of auditory evoked potentials by intensity function. These converging findings suggest a lower loss rate of neuronal temporal accumulator modulated by serotonergic transmission in patients with MDD.
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Affiliation(s)
| | - Galina V Portnova
- Laboratory of Human Higher Nervous Activity, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia
| | - Olga V Sysoeva
- Faculty of Biology and Biotechnology, HSE University, Moscow, Russia; Laboratory of Human Higher Nervous Activity, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia
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13
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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: 242] [Impact Index Per Article: 242.0] [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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14
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Ardasheva R, Prissadova N, Turiyski V, Tolekova A, Krastev A, Pencheva M, Popov V. Effects of Electron Radiation on Serotonin Signaling and Reactivity of Rat Gastric Smooth Muscle. TOXICS 2023; 11:603. [PMID: 37505568 PMCID: PMC10383043 DOI: 10.3390/toxics11070603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 07/29/2023]
Abstract
Ionizing radiation in radiotherapy can disrupt cellular functions based on radiation type, energy, and dose. However, investigations on the effects of accelerated electrons, particularly on serotonin mediation, are limited. This study aimed to investigate changes in serotonin signal transduction (targeting 5-HT2A and 5-HT2B receptors) in gastric smooth muscle (SM) samples isolated from rats irradiated with accelerated electrons (linear accelerator Siemens Primus S/N 3561) and their effects on serotonin-induced reactions. The radiation effects were examined in samples prepared five days after the procedure. The contractile activity of smooth muscle samples was measured using an isometric method. The expression of 5-HT2A and 5-HT2B receptors was determined by immunohistochemical assay. Increased contractile reactivity to exogenous serotonin (1.10-8-1.10-4 mol/L) was observed in irradiated samples compared to controls. The expression of 5-HT2A and 5-HT2B receptors was significantly increased in the irradiated tissue. By selecting appropriate time intervals between equimolar (1.10-6 mol/L) sequential serotonin exposures, a process of desensitization associated with agonist-induced internalization was established in control samples, which was absent in irradiated samples. In conclusion, irradiation with accelerated electrons affects the agonist-induced receptor internalization of 5-HT2A and 5-HT2B receptors and increases their expression in rat gastric SM, which alters their contractile reactivity to exogenous serotonin.
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Affiliation(s)
- Raina Ardasheva
- Department of Medical Physics and Biophysics, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
| | - Natalia Prissadova
- Department of Medical Physics and Biophysics, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
| | - Valentin Turiyski
- Department of Medical Physics and Biophysics, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
| | - Anna Tolekova
- Medical College, Trakia University, 6015 Stara Zagora, Bulgaria
| | - Athanas Krastev
- Medical College, Trakia University, 6015 Stara Zagora, Bulgaria
| | - Mina Pencheva
- Department of Medical Physics and Biophysics, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
| | - Veselin Popov
- Department of Clinical Oncology (Section of Radiotherapy and Nuclear Medicine), Faculty of Medicine, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
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15
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Santibáñez A, Jiménez-Ferrer E, Angulo-Bejarano PI, Sharma A, Herrera-Ruiz M. Coriandrum sativum and Its Utility in Psychiatric Disorders. Molecules 2023; 28:5314. [PMID: 37513187 PMCID: PMC10385770 DOI: 10.3390/molecules28145314] [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: 04/19/2023] [Revised: 06/12/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023] Open
Abstract
The negative impact on worldwide social well-being by the increasing rate of psychiatric diseases has led to a continuous new drug search. Even though the current therapeutic options exert their activity on multiple neurological targets, these have various adverse effects, causing treatment abandonment. Recent research has shown that Coriandrum sativum offers a rich source of metabolites, mainly terpenes and flavonoids, as useful agents against central nervous system disorders, with remarkable in vitro and in vivo activities on models related to these pathologies. Furthermore, studies have revealed that some compounds exhibit a chemical interaction with γ-aminobutyric acid, 5-hydroxytryptamine, and N-methyl-D-aspartate receptors, which are key components in the pathophysiology associated with psychiatric and neurological diseases. The current clinical evaluations of standardized extracts of C. sativum are scarce; however, one or more of its compounds represents an area of opportunity to test the efficacy of the plant as an anxiolytic, antidepressant, antiepileptic, or sleep enhancer. For this, the aim of the review was based on the pharmacological activities offered by the compounds identified and isolated from coriander and the processes involved in achieving their effect. In addition, lines of technological research, like molecular docking and nanoparticles, are proposed for the future development of phytomedicines, based on the bioactive molecules of C. sativum, for the treatment of psychiatric and neurological disorders addressed in the present study.
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Affiliation(s)
- Anislada Santibáñez
- Centro de Investigación Biomédica del Sur, Instituto Mexicano del Seguro Social, Argentina No. 1 Col Centro, Xochitepec 62790, Morelos, Mexico
- Plant Innovation Lab, Tecnologico de Monterrey, School of Engineering and Sciences, Centro de Bioingeniería, Av. Epigmenio González No. 500, San Pablo 76130, Queretaro, Mexico
| | - Enrique Jiménez-Ferrer
- Centro de Investigación Biomédica del Sur, Instituto Mexicano del Seguro Social, Argentina No. 1 Col Centro, Xochitepec 62790, Morelos, Mexico
| | - Paola Isabel Angulo-Bejarano
- Plant Innovation Lab, Tecnologico de Monterrey, School of Engineering and Sciences, Centro de Bioingeniería, Av. Epigmenio González No. 500, San Pablo 76130, Queretaro, Mexico
| | - Ashutosh Sharma
- Plant Innovation Lab, Tecnologico de Monterrey, School of Engineering and Sciences, Centro de Bioingeniería, Av. Epigmenio González No. 500, San Pablo 76130, Queretaro, Mexico
| | - Maribel Herrera-Ruiz
- Centro de Investigación Biomédica del Sur, Instituto Mexicano del Seguro Social, Argentina No. 1 Col Centro, Xochitepec 62790, Morelos, Mexico
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16
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Lin J, Liu W, Guan J, Cui J, Shi R, Wang L, Chen D, Liu Y. Latest updates on the serotonergic system in depression and anxiety. Front Synaptic Neurosci 2023; 15:1124112. [PMID: 37228487 PMCID: PMC10203201 DOI: 10.3389/fnsyn.2023.1124112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/24/2023] [Indexed: 05/27/2023] Open
Abstract
Psychiatric disorders are among the leading causes of global health burden, with depression and anxiety being the most disabling subtypes. The two common disorders, depression and anxiety, usually coexist and are pathologically polygenic with complicated etiologies. Current drug-based therapies include selective serotonin reuptake inhibitors, serotonin and norepinephrine reuptake inhibitors, and 5-hydroxytryptamine partial agonists. However, these modalities share common limitations, such as slow onset and low efficacy, which is why potential mechanistic insights for new drug targets are needed. In this review, we summarize recent advances in brain localization, pathology, and therapeutic mechanisms of the serotonergic system in depression and anxiety.
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Affiliation(s)
- Jianwen Lin
- Department of Neurology, Dalian Municipal Central Hospital, Central Hospital of Dalian University of Technology, Dalian, China
| | - Wenxin Liu
- Department of Neurology, Dalian Municipal Central Hospital, Central Hospital of Dalian University of Technology, Dalian, China
- Department of Graduate Studies, Dalian Medical University, Dalian, China
| | - Jing Guan
- Department of Neurology, Dalian Municipal Central Hospital, Central Hospital of Dalian University of Technology, Dalian, China
- Department of Graduate Studies, Dalian Medical University, Dalian, China
- Department of Pediatrics, Yingkou Economic and Technological Development Zone Central Hospital, Yingkou, China
| | - Jianing Cui
- Department of Neurology, Dalian Municipal Central Hospital, Central Hospital of Dalian University of Technology, Dalian, China
| | - Ruolin Shi
- Department of Graduate Studies, Dalian Medical University, Dalian, China
| | - Lu Wang
- Department of Neurology, Dalian Municipal Central Hospital, Central Hospital of Dalian University of Technology, Dalian, China
| | - Dong Chen
- Department of Neurosurgery, Dalian Municipal Central Hospital, Central Hospital of Dalian University of Technology, Dalian, China
| | - Yi Liu
- Department of Neurology, Dalian Municipal Central Hospital, Central Hospital of Dalian University of Technology, Dalian, China
- Department of Graduate Studies, Dalian Medical University, Dalian, China
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17
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Singh N, Garg M, Prajapati P, Singh PK, Chopra R, Kumari A, Mittal A. Adaptogenic property of Asparagus racemosus: Future trends and prospects. Heliyon 2023; 9:e14932. [PMID: 37095959 PMCID: PMC10121633 DOI: 10.1016/j.heliyon.2023.e14932] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 03/14/2023] [Accepted: 03/22/2023] [Indexed: 04/03/2023] Open
Abstract
Major depressive disorder (MDD) is a multimodal neuropsychiatric and neurodegenerative illness characterized by anhedonia, continued melancholy, dysfunctional circadian rhythm and many other behavioral infirmities. Depression is also associated with somatic ailments such as cardiometabolic diseases. The existing and upcoming hypotheses have succeeded in explaining the pathophysiology of depression. Only a few of the most validated theories, such as hyperactivity of the HPA axis, activated inflammatory-immune response, and monoaminergic and GABAergic deficit hypotheses, have been discussed in this review. So, an effective and safer alternative approach beyond symptomatic relief has been desired. Therefore, botanical products have steadily been probed to strengthen the modern medicinal system as a promising medicament. In this line, Asparagus racemosus Willd. belongs to Asparagaceace family is the well-documented adaptogen cited in the ancient texts namely, Ayurvedic, Greek, and Chinese medicine system. The whole plant possesses pleiotropic therapeutic activity, antioxidant, anti-inflammatory, immunomodulatory, neuroprotective, nootropic, antidepressant, etc., without showing any remarkable side effects. The literature review has also suggested that A. racemosus administration at varied levels alleviates depression by modulating the HPA axis, increasing BDNF levels, and monoaminergic and GABAergic neurotransmission. Alongside, spikes the level of antioxidant enzymes, SOD, GSH peroxidase, GSH, and catalase in distinct brain regions (i.e., hippocampus, prefrontal cortex, amygdala, and hypothalamus) and promote neurogenesis and neuroplasticity. Thus, it could be a new generation antidepressant that provides relief from both behavioral and somatic illness. The review first describes the plant characteristics, then discusses the hypotheses associated with the pathogenesis of depression, and gives an insight into A. racemosus antidepressant properties and the underlying mechanism.
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18
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Kaikai NE, Ba-M Hamed S, Slimani A, Dilagui I, Hanchi AL, Soraa N, Mezrioui NE, Bennis M, Ghanima A. Chronic exposure to metam sodium-based pesticide in mice during adulthood elevated anxiety and depression-like behaviors: Involvement of serotoninergic depletion and gut microbiota dysbiosis. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 98:104066. [PMID: 36640922 DOI: 10.1016/j.etap.2023.104066] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 12/18/2022] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Metam sodium-based pesticide (MS-BP) is widely used in agriculture and public health. We have previously demonstrated that maternal exposure to MS-BP resulted in sensorimotor alterations in mice offspring with long-lasting deficits including anxiety- and depression-like behaviors. Here, we project to verify whether these two neurobehavioral effects occur during adulthood following direct exposure to MS-BP and whether it results in changes in the serotoninergic system and gut microbiota. Our findings showed that chronic exposure to MS-BP increased anxiety- and depression-like behaviors, accompanied by a depletion of serotonin-like neurons within the dorsal raphe nucleus and a reduction in serotoninergic terminals in the infralimbic cortex and the basolateral amygdala. In addition, all MS-BP-exposed animals exhibited a reduced total bacterial number and diversity of gut microbiota. Taken together, our data demonstrated that MS-BP-induced behavioral changes could be related to the impairment of the serotoninergic system and gut microbiota dysbiosis.
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Affiliation(s)
- Nour-Eddine Kaikai
- Laboratory of Pharmacology, Neurobiology, Anthropology, and Environment, Cadi Ayyad University, Faculty of Sciences, Marrakesh, Morocco; Research Laboratory for Sustainable Development and Health. Cadi Ayyad University, Faculty of Sciences and Techniques, Marrakesh, Morocco
| | - Saadia Ba-M Hamed
- Laboratory of Pharmacology, Neurobiology, Anthropology, and Environment, Cadi Ayyad University, Faculty of Sciences, Marrakesh, Morocco
| | - Aiman Slimani
- Laboratory of Microbial Biotechnologies, Agrosciences, and Environment, Labeled Research Unit-CNRST N°4, Cadi Ayyad University, Faculty of Sciences, Marrakesh, Morocco
| | - Ilham Dilagui
- Laboratory of Microbiology, University Hospital Center Mohamed VI, Marrakesh, Morocco
| | - Asmae Lamrani Hanchi
- Laboratory of Microbiology, University Hospital Center Mohamed VI, Marrakesh, Morocco
| | - Nabila Soraa
- Laboratory of Microbiology, University Hospital Center Mohamed VI, Marrakesh, Morocco
| | - Nour-Eddine Mezrioui
- Laboratory of Microbial Biotechnologies, Agrosciences, and Environment, Labeled Research Unit-CNRST N°4, Cadi Ayyad University, Faculty of Sciences, Marrakesh, Morocco
| | - Mohamed Bennis
- Laboratory of Pharmacology, Neurobiology, Anthropology, and Environment, Cadi Ayyad University, Faculty of Sciences, Marrakesh, Morocco
| | - Abderrazzak Ghanima
- Research Laboratory for Sustainable Development and Health. Cadi Ayyad University, Faculty of Sciences and Techniques, Marrakesh, Morocco.
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19
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Surowka P, Noworyta K, Smaga I, Filip M, Rygula R. Trait sensitivity to negative feedback in rats is associated with increased expression of serotonin 5-HT 2A receptors in the ventral hippocampus. Front Mol Neurosci 2023; 16:1092864. [PMID: 36846570 PMCID: PMC9948091 DOI: 10.3389/fnmol.2023.1092864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 01/11/2023] [Indexed: 02/11/2023] Open
Abstract
One of the most important yet still underappreciated mechanisms of depression is distorted cognition, with aberrant sensitivity to negative feedback being one of the best-described examples. As serotonin has been identified as an important modulator of sensitivity to feedback and because the hippocampus has been implicated in the mediation of learning from positive and negative outcomes, the present study aimed to identify differences in the expression of various genes encoding 5-HT receptors in this brain region between the rats displaying trait sensitivity and insensitivity to negative feedback. The results demonstrated that trait sensitivity to negative feedback is associated with increased mRNA expression of the 5-HT2A receptors in the rat ventral hippocampus (vHipp). Further analysis revealed that this increased expression might be modulated epigenetically by miRNAs with a high target score for the Htr2a gene (miR-16-5p and miR-15b-5p). Additionally, although not confirmed at the protein level, trait sensitivity to negative feedback was associated with decreased expression of mRNA encoding the 5-HT7 receptor in the dorsal hippocampus (dHipp). We observed no statistically significant intertrait differences in the expression of the Htr1a, Htr2c, and Htr7 genes in the vHipp and no statistically significant intertrait differences in the expression of the Htr1a, Htr2a, and Htr2c genes in the dHipp of the tested animals. These results suggest that resilience to depression manifested by reduced sensitivity to negative feedback may be mediated via these receptors.
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Affiliation(s)
- Paulina Surowka
- Affective Cognitive Neuroscience Laboratory, Department of Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Krakow, Poland
| | - Karolina Noworyta
- Affective Cognitive Neuroscience Laboratory, Department of Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Krakow, Poland
| | - Irena Smaga
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Krakow, Poland
| | - Malgorzata Filip
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Krakow, Poland
| | - Rafal Rygula
- Affective Cognitive Neuroscience Laboratory, Department of Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Krakow, Poland,*Correspondence: Rafal Rygula, ✉
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20
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Siddique R, Awan FM, Nabi G, Khan S, Xue M. Chronic jet lag-like conditions dysregulate molecular profiles of neurological disorders in nucleus accumbens and prefrontal cortex. Front Neuroinform 2022; 16:1031448. [PMID: 36582489 PMCID: PMC9792783 DOI: 10.3389/fninf.2022.1031448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/22/2022] [Indexed: 12/14/2022] Open
Abstract
Background Patients with neurological disorders often display altered circadian rhythms. The disrupted circadian rhythms through chronic jetlag or shiftwork are thought to increase the risk and severity of human disease including, cancer, psychiatric, and related brain diseases. Results In this study, we investigated the impact of shiftwork or chronic jetlag (CJL) like conditions on mice's brain. Transcriptome profiling based on RNA sequencing revealed that genes associated with serious neurological disorders were differentially expressed in the nucleus accumbens (NAc) and prefrontal cortex (PFC). According to the quantitative PCR (qPCR) analysis, several key regulatory genes associated with neurological disorders were significantly altered in the NAc, PFC, hypothalamus, hippocampus, and striatum. Serotonin levels and the expression levels of serotonin transporters and receptors were significantly altered in mice treated with CJL. Conclusion Overall, these results indicate that CJL may increase the risk of neurological disorders by disrupting the key regulatory genes, biological functions, serotonin, and corticosterone. These molecular linkages can further be studied to investigate the mechanism underlying CJL or shiftwork-mediated neurological disorders in order to develop treatment strategies.
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Affiliation(s)
- Rabeea Siddique
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China,Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, Henan, China
| | - Faryal Mehwish Awan
- Department of Medical Lab Technology, The University of Haripur, Haripur, Pakistan
| | - Ghulam Nabi
- Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland
| | - Suliman Khan
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China,Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, Henan, China,Department of Medical Lab Technology, The University of Haripur, Haripur, Pakistan,*Correspondence: Suliman Khan, ;
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China,Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, Henan, China,Mengzhou Xue,
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21
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Hauger RL, Saelzler UG, Pagadala MS, Panizzon MS. The role of testosterone, the androgen receptor, and hypothalamic-pituitary-gonadal axis in depression in ageing Men. Rev Endocr Metab Disord 2022; 23:1259-1273. [PMID: 36418656 PMCID: PMC9789012 DOI: 10.1007/s11154-022-09767-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/20/2022] [Indexed: 11/25/2022]
Abstract
Considerable research has shown that testosterone regulates many physiological systems, modulates clinical disorders, and contributes to health outcome. However, studies on the interaction of testosterone levels with depression and the antidepressant effect of testosterone replacement therapy in hypogonadal men with depression have been inconclusive. Current findings indicate that low circulating levels of total testosterone meeting stringent clinical criteria for hypogonadism and testosterone deficiency induced by androgen deprivation therapy are associated with increased risk for depression and current depressive symptoms. The benefits of testosterone replacement therapy in men with major depressive disorder and low testosterone levels in the clinically defined hypogonadal range remain uncertain and require further investigation. Important considerations going forward are that major depressive disorder is a heterogeneous phenotype with depressed individuals differing in inherited polygenic determinants, onset and clinical course, symptom complexes, and comorbidities that contribute to potential multifactorial differences in pathophysiology. Furthermore, polygenic mechanisms are likely to be critical to the biological heterogeneity that influences testosterone-depression interactions. A genetically informed precision medicine approach using genes regulating testosterone levels and androgen receptor sensitivity will likely be essential in gaining critical insight into the role of testosterone in depression.
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Affiliation(s)
- Richard L Hauger
- Center of Excellence for Stress and Mental Health (CESAMH), VA San Diego Healthcare System, San Diego, CA, USA.
- Center for Behavior Genetics of Aging, Department of Psychiatry, School of Medicine, University of California San Diego, La Jolla, CA, USA.
| | - Ursula G Saelzler
- Center for Behavior Genetics of Aging, Department of Psychiatry, School of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Meghana S Pagadala
- Medical Scientist Training Program, School of Medicine, University of California San Diego, La Jolla, CA, USA
- Biomedical Science Program, School of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Matthew S Panizzon
- Center of Excellence for Stress and Mental Health (CESAMH), VA San Diego Healthcare System, San Diego, CA, USA
- Center for Behavior Genetics of Aging, Department of Psychiatry, School of Medicine, University of California San Diego, La Jolla, CA, USA
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22
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Chen MX, Oh YS, Kim Y. S100A10 and its binding partners in depression and antidepressant actions. Front Mol Neurosci 2022; 15:953066. [PMID: 36046712 PMCID: PMC9423026 DOI: 10.3389/fnmol.2022.953066] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 06/24/2022] [Indexed: 11/13/2022] Open
Abstract
S100A10 (p11) is an emerging player in the neurobiology of depression and antidepressant actions. p11 was initially thought to be a modulator of serotonin receptor (5-HTR) trafficking and serotonergic transmission, though newly identified binding partners of p11 and neurobiological studies of these proteins have shed light on multifunctional roles for p11 in the regulation of glutamatergic transmission, calcium signaling and nuclear events related to chromatin remodeling, histone modification, and gene transcription. This review article focuses on direct binding partners of p11 in the brain including 5-HTRs, mGluR5, annexin A2, Ahnak, Smarca3, and Supt6h, as well as their roles in neuronal function, particularly in the context of depressive-like behavior as well as behavioral effects of antidepressant drug treatments in mice. In addition, we discuss neurobiological insights from recently uncovered p11 pathways in multiple types of neurons and non-neuronal cells and cast major remaining questions for future studies.
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Affiliation(s)
- Michelle X. Chen
- University of Iowa Medical Scientist Training Program, Carver College of Medicine, University of Iowa, Iowa, IA, United States
| | - Yong-Seok Oh
- Department of Brain Sciences, Daegu-Gyeongbuk Institute of Science and Technology (DGIST), Daegu, South Korea
| | - Yong Kim
- Department of Neurosurgery, Robert Wood Johnson Medical School, Rutgers University, Piscataway, NJ, United States
- Brain Health Institute, Rutgers University, Piscataway, NJ, United States
- *Correspondence: Yong Kim
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Siddiqui SA, Singh S, Rawat A, Arshad M, Kumar S. Region specific differential regulation of 5HT-5A and 5B receptor is associated with the difference in stress level between male and female rats. Heliyon 2022; 8:e10242. [PMID: 36033311 PMCID: PMC9404348 DOI: 10.1016/j.heliyon.2022.e10242] [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: 01/31/2022] [Revised: 04/30/2022] [Accepted: 08/05/2022] [Indexed: 10/25/2022] Open
Abstract
Stress-related neuropsychiatric disorders affect nearly all people worldwide irrespective of the age and sex of the person. Females are supposed to experience a higher stress and anxiety as compared to the male individuals. The role of serotonin receptor in stress and anxiety condition is supposed to affect this sex-based difference in stress and anxiety condition between male and female animals. Serotonin receptor system is one of the most important molecular mechanism in brain function involved in a number of vital functions such as apetite, sleep, thermoregulation, aggression, learning, mood, cognition as well as in stress and anxiety. The current preclinical study is analyzing the role of serotonin 5HT-5A and 5B receptor in stress and anxiety in male and female rodents. The study suggests here a differential region specific association of both the serotonin receptor under stressful condition between male and female animals.
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Affiliation(s)
| | - Sanjay Singh
- Department of Biotechnology, BBAU, Lucknow, India
| | - Atul Rawat
- Department of Biotechnology, BBAU, Lucknow, India
| | - Md Arshad
- Department of Zoology, Aligarh Muslim University, Aligarh, India
| | - Sudhir Kumar
- Department of Zoology, University of Lucknow, Lucknow, India
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24
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Iftikhar A, Nausheen R, Muzaffar H, Naeem MA, Farooq M, Khurshid M, Almatroudi A, Alrumaihi F, Allemailem KS, Anwar H. Potential Therapeutic Benefits of Honey in Neurological Disorders: The Role of Polyphenols. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27103297. [PMID: 35630774 PMCID: PMC9143627 DOI: 10.3390/molecules27103297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 11/26/2022]
Abstract
Honey is the principal premier product of beekeeping familiar to Homo for centuries. In every geological era and culture, evidence can be traced to the potential usefulness of honey in several ailments. With the advent of recent scientific approaches, honey has been proclaimed as a potent complementary and alternative medicine for the management and treatment of several maladies including various neurological disorders such as Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, and multiple sclerosis, etc. In the literature archive, oxidative stress and the deprivation of antioxidants are believed to be the paramount cause of many of these neuropathies. Since different types of honey are abundant with certain antioxidants, primarily in the form of diverse polyphenols, honey is undoubtedly a strong pharmaceutic candidate against multiple neurological diseases. In this review, we have indexed and comprehended the involved mechanisms of various constituent polyphenols including different phenolic acids, flavonoids, and other phytochemicals that manifest multiple antioxidant effects in various neurological disorders. All these mechanistic interpretations of the nutritious components of honey explain and justify the potential recommendation of sweet nectar in ameliorating the burden of neurological disorders that have significantly increased across the world in the last few decades.
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Affiliation(s)
- Arslan Iftikhar
- Department of Physiology, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.I.); (R.N.); (H.M.)
| | - Rimsha Nausheen
- Department of Physiology, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.I.); (R.N.); (H.M.)
| | - Humaira Muzaffar
- Department of Physiology, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.I.); (R.N.); (H.M.)
| | - Muhammad Ahsan Naeem
- Department of Basic Sciences, KBCMA College of Veterinary and Animal Sciences, Narowal 51600, Pakistan;
| | - Muhammad Farooq
- Department of Clinical Sciences, College of Veterinary and Animal Sciences, Jhang 35200, Pakistan;
| | - Mohsin Khurshid
- Department of Microbiology, Government College University Faisalabad, Faisalabad 38000, Pakistan;
| | - Ahmad Almatroudi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia; (A.A.); (F.A.)
| | - Faris Alrumaihi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia; (A.A.); (F.A.)
| | - Khaled S. Allemailem
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia; (A.A.); (F.A.)
- Correspondence: (H.A.); (K.S.A.)
| | - Haseeb Anwar
- Department of Physiology, Government College University Faisalabad, Faisalabad 38000, Pakistan; (A.I.); (R.N.); (H.M.)
- Correspondence: (H.A.); (K.S.A.)
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25
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Chimeric Structures in Mental Illnesses-"Magic" Molecules Specified for Complex Disorders. Int J Mol Sci 2022; 23:ijms23073739. [PMID: 35409098 PMCID: PMC8998808 DOI: 10.3390/ijms23073739] [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: 03/13/2022] [Revised: 03/26/2022] [Accepted: 03/28/2022] [Indexed: 02/04/2023] Open
Abstract
Mental health problems cover a wide spectrum of diseases, including mild to moderate anxiety, depression, alcohol/drug use disorders, as well as bipolar disorder and schizophrenia. Pharmacological treatment seems to be one of the most effective opportunities to recover function efficiently and satisfactorily. However, such disorders are complex as several target points are involved. This results in a necessity to combine different types of drugs to obtain the necessary therapeutic goals. There is a need to develop safer and more effective drugs. Considering that mental illnesses share multifactorial processes, the paradigm of one treatment with multiple modes of action rather than single-target strategies would be more effective for successful therapies. Therefore, hybrid molecules that combine two pharmacophores in one entity show promise, as they possess the desired therapeutic index with a small off-target risk. This review aims to provide information on chimeric structures designed for mental disorder therapy (i.e., schizophrenia and depression), and new types of drug candidates currently being tested. In addition, a discussion on some benefits and limitations of multifunctional, bivalent drug candidates is also given.
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Maratha S, Sharma V, Walia V. Possible involvement of NO-sGC-cGMP signaling in the antidepressant like effect of pyridoxine in mice. Metab Brain Dis 2022; 37:173-183. [PMID: 34739660 DOI: 10.1007/s11011-021-00858-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/23/2021] [Indexed: 11/28/2022]
Abstract
The present study was designed to determine the antidepressant like effect of pyridoxine in mice. Pyridoxine (12.5, 25 and 50 mg/kg, i.p.) was administered to the mice and depression related behavioral and neurochemical alterations were determined. It was observed that pyridoxine (50 mg/kg, i.p.) treatment decreased the immobility period in tail suspension test (TST) and forced swim test (FST) significantly as compared to control. Pyridoxine (50 mg/kg, i.p.) treatment increased the level of serotonin (5-HT) and decreased the level of nitrite in the brain of mice significantly as compared to control. Pyridoxine thus confer antidepressant like effect by increasing the level of 5-HT and by decreasing the level of nitrite in the brain of mice. Further the influence of nitric oxide (NO)/ soluble guanylate cyclase (sGC)/ cyclic guanosine monophosphate (cGMP) in antidepressant-like effect of pyridoxine was studied. It was observed that the pretreatment of NO donor (i.e. L-Arginine) and cGMP modulator (i.e. sildenafil) counteracted while the pretreatment of NO/sGC inhibitor (i.e. methylene blue) potentiated the effect of pyridoxine in TST and FST. Pretreatment of NO donor did not influence, pretreatment of NO/sGC inhibitor decreased while the pretreatment of cGMP modulator increased the level of brain nitrite in pyridoxine treated mice. Further the pretreatment of NO donor and cGMP modulator decreased while the pretreatment of NO/sGC inhibitor increased the level of brain serotonin in pyridoxine treated mice. Pyridoxine thus exerted antidepressant like effect and NO-sGC-cGMP signaling modulated the antidepressant like effect of pyridoxine in mice.
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Affiliation(s)
- Sushma Maratha
- SGT College of Pharmacy, SGT University, Gurugram, India
| | - Vijay Sharma
- SGT College of Pharmacy, SGT University, Gurugram, India
| | - Vaibhav Walia
- SGT College of Pharmacy, SGT University, Gurugram, India.
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27
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Netter P. Between Temperament and Psychopathology: Examples from Neuropharmacological Challenge Tests in Healthy Humans. Neuropsychobiology 2021; 80:84-100. [PMID: 33647900 DOI: 10.1159/000514074] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/21/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND This paper tries to demonstrate that the questionnaire-based continuum between temperament traits and psychopathology can also be shown on the biochemical level. A common feature is the incapacity to adapt to external demands, as demonstrated by examples of disturbed hormone cycles as well as neurotransmitter (TM) responses related to affective and impulse control disorders. METHODS Pharmacological challenge tests performed in placebo-controlled balanced crossover experiments with consecutive challenges by serotonin (5-HT), noradrenaline (NA), and dopamine (DA) agonistic drugs were applied to healthy subjects, and individual responsivities of each TM system assessed by respective cortisol and prolactin responses were related to questionnaire-based facets of depressiveness and impulsivity, respectively. RESULTS The depression-related traits "Fatigue" and "Physical Anhedonia" were characterized by low and late responses to DA stimulation as opposed to "Social Anhedonia," which rather mirrored the pattern of schizophrenia. Reward-related and premature responding-related impulsivity represented by high scores on "Disinhibition" and "Motor Impulsivity," respectively, as well as the questionnaire-based components of attention deficit hyperactivity disorder, "Cognitive" and "Motor Impulsivity," could be discriminated by their patterns of DA/NA responses. 5-HT responses suggested that instead of the expected low availability of 5-HT claimed to be associated with impulse control disorders, low NA responses indicated lack of inhibition in impulsivity and high NA responses in depression-related "Anhedonia" indicated suppression of approach motivation. CONCLUSIONS In spite of the flaws of pharmacological challenge tests, they may be suitable for demonstrating similarities in TM affinities between psychopathological disturbances and respective temperament traits and for separating sub-entities of larger disease spectra.
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Affiliation(s)
- Petra Netter
- Department of Psychology, University of Gießen, Gießen, Germany,
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28
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Understanding complex functional wiring patterns in major depressive disorder through brain functional connectome. Transl Psychiatry 2021; 11:526. [PMID: 34645783 PMCID: PMC8513388 DOI: 10.1038/s41398-021-01646-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/20/2021] [Accepted: 09/29/2021] [Indexed: 02/06/2023] Open
Abstract
Brain function relies on efficient communications between distinct brain systems. The pathology of major depressive disorder (MDD) damages functional brain networks, resulting in cognitive impairment. Here, we reviewed the associations between brain functional connectome changes and MDD pathogenesis. We also highlighted the utility of brain functional connectome for differentiating MDD from other similar psychiatric disorders, predicting recurrence and suicide attempts in MDD, and evaluating treatment responses. Converging evidence has now linked aberrant brain functional network organization in MDD to the dysregulation of neurotransmitter signaling and neuroplasticity, providing insights into the neurobiological mechanisms of the disease and antidepressant efficacy. Widespread connectome dysfunctions in MDD patients include multiple, large-scale brain networks as well as local disturbances in brain circuits associated with negative and positive valence systems and cognitive functions. Although the clinical utility of the brain functional connectome remains to be realized, recent findings provide further promise that research in this area may lead to improved diagnosis, treatments, and clinical outcomes of MDD.
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Jankowska A, Satała G, Świerczek A, Pociecha K, Partyka A, Jastrzębska-Więsek M, Głuch-Lutwin M, Bojarski AJ, Wyska E, Chłoń-Rzepa G. A new class of 5-HT 1A receptor antagonists with procognitive and antidepressant properties. Future Med Chem 2021; 13:1497-1514. [PMID: 34253032 DOI: 10.4155/fmc-2020-0363] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Aims: 5-HT1A receptor antagonists constitute a potential group of drugs in the treatment of CNS diseases. The aim of this study was to search for new procognitive and antidepressant drugs among amide derivatives of aminoalkanoic acids with 5-HT1A receptor antagonistic properties. Materials & methods: Thirty-three amides were designed and evaluated in silico for their drug-likeness. The synthesized compounds were tested in vitro for their 5-HT1A receptor affinity and functional profile. Moreover, their selectivity over 5-HT7, 5-HT2A and D2 receptors and ability to inhibit phosphodiesterases were evaluated. Results: A selected 5-HT1A receptor antagonist 20 (Ki = 35 nM, Kb = 4.9 nM) showed procognitive and antidepressant activity in vivo. Conclusion: Novel 5-HT1A receptor antagonists were discovered and shown as potential psychotropic drugs.
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Affiliation(s)
- Agnieszka Jankowska
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Medicinal Chemistry, 9 Medyczna Street, 30-688, Kraków, Poland
| | - Grzegorz Satała
- Polish Academy of Sciences, Maj Institute of Pharmacology, Department of Medicinal Chemistry, 12 Smętna Street, 31-343, Kraków, Poland
| | - Artur Świerczek
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Pharmacokinetics & Physical Pharmacy, 9 Medyczna Street, 30-688, Kraków, Poland
| | - Krzysztof Pociecha
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Pharmacokinetics & Physical Pharmacy, 9 Medyczna Street, 30-688, Kraków, Poland
| | - Anna Partyka
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Clinical Pharmacy, 9 Medyczna Street, 30-688, Kraków, Poland
| | - Magdalena Jastrzębska-Więsek
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Clinical Pharmacy, 9 Medyczna Street, 30-688, Kraków, Poland
| | - Monika Głuch-Lutwin
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Pharmacobiology, 9 Medyczna Street, 30-688, Kraków, Poland
| | - Andrzej J Bojarski
- Polish Academy of Sciences, Maj Institute of Pharmacology, Department of Medicinal Chemistry, 12 Smętna Street, 31-343, Kraków, Poland
| | - Elżbieta Wyska
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Pharmacokinetics & Physical Pharmacy, 9 Medyczna Street, 30-688, Kraków, Poland
| | - Grażyna Chłoń-Rzepa
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Medicinal Chemistry, 9 Medyczna Street, 30-688, Kraków, Poland
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Świechowski R, Jeleń A, Pietrzak J, Gałecki P, Szmajda-Krygier D, Balcerczak E. The influence of CYP2C19*2 and CYP3A5*3 variants on the development of depression and effectiveness of therapy: A preliminary study. Biomed Pharmacother 2021; 142:112055. [PMID: 34435592 DOI: 10.1016/j.biopha.2021.112055] [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: 07/09/2021] [Revised: 08/10/2021] [Accepted: 08/12/2021] [Indexed: 10/20/2022] Open
Abstract
The most common mental illness is depression; however, its pathogenesis is not fully understood. One of the factors that may influence its development and the effectiveness of therapy are the cytochromes of the p450 complex. CYP3A5 and CYP2C19 are involved in the metabolism of drugs used in the treatment of depression. These cytochromes can also generate reactive oxygen species, which are known to participate in the pathogenesis of depression. The aim of the study was to determine the frequency of CYP3A5*3 and CYP2C19*2 variants among a group of patients with depression to identify any potential association with disease development and progression, and the effectiveness of pharmacotherapy. A group of 103 patients suffering from recurrent depressive disorder and another of 93 healthy individuals were investigated using RFLP. It was found that the CYP3A5*3 allele may have a protective role in the development of depression (p = 0.0036). Heterozygous CYP3A5*1/*3 was more common in controls than the patients (p = 0.0300). Homozygotes were associated with an earlier onset than heterozygotes (p = 0.0292). For CYP2C19, patients with at least one CYP2C19*2 allele revealed better treatment results expressed as percentage change in Hamilton Depression Rating Scale (p = 0.0239). The identification of CYP3A5 and CYP2C19 allelic variants may be useful when assessing the effectiveness of pharmacotherapy.
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Affiliation(s)
- Rafał Świechowski
- Laboratory of Molecular Diagnostics and Pharmacogenomics, Department of Pharmaceutical Biochemistry and Molecular Diagnostics, Medical University of Lodz, Lodz 90-151, Poland.
| | - Agnieszka Jeleń
- Laboratory of Molecular Diagnostics and Pharmacogenomics, Department of Pharmaceutical Biochemistry and Molecular Diagnostics, Medical University of Lodz, Lodz 90-151, Poland
| | - Jacek Pietrzak
- Laboratory of Molecular Diagnostics and Pharmacogenomics, Department of Pharmaceutical Biochemistry and Molecular Diagnostics, Medical University of Lodz, Lodz 90-151, Poland
| | - Piotr Gałecki
- Department of Adult Psychiatry, Medical University of Lodz, Lodz 91-229, Poland
| | - Dagmara Szmajda-Krygier
- Laboratory of Molecular Diagnostics and Pharmacogenomics, Department of Pharmaceutical Biochemistry and Molecular Diagnostics, Medical University of Lodz, Lodz 90-151, Poland
| | - Ewa Balcerczak
- Laboratory of Molecular Diagnostics and Pharmacogenomics, Department of Pharmaceutical Biochemistry and Molecular Diagnostics, Medical University of Lodz, Lodz 90-151, Poland
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Therapeutic Potential of Curcumin in Reversing the Depression and Associated Pseudodementia via Modulating Stress Hormone, Hippocampal Neurotransmitters, and BDNF Levels in Rats. Neurochem Res 2021; 46:3273-3285. [PMID: 34409523 DOI: 10.1007/s11064-021-03430-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 08/06/2021] [Accepted: 08/13/2021] [Indexed: 01/07/2023]
Abstract
Depressive state adversely affects the memory functions, especially in the geriatric population. The initial stage of memory deficits associated with depression is particularly called as pseudodementia. It is the starting point of memory disturbance before dementia. The purpose of this research was to study depression and its consequent pseudodementia. For this purpose 24 male albino Wistar rats were divided into four groups. Depression was induced by 14 days of chronic restraint stress (CRS) daily for 4 h. After developing a depression model, pattern separation test was conducted to monitor pseudodementia in rats. Morris water maze test (MWM) was also performed to observe spatial memory. It was observed that model animals displayed impaired pattern separation and spatial memory. Treatment was started after the development of pseudodementia in rats. Curcumin at a dose of 200 mg/kg was given to model rats for one week along with the stress procedure. Following the treatment with curcumin, rats were again subjected to the aforementioned behavioral tests before decapitation. Corticosterone levels, brain derived neurotrophic factor (BDNF) and neurochemical analysis were conducted. Model rats showed depressogenic behavior and impaired memory performance. In addition to this, high corticosterone levels and decreased hippocampal BDNF, 5-HT, dopamine (DA), and acetylcholine (ACh) levels were also observed in depressed animals. These behavioral biochemical and neurochemical changes were effectively restored following treatment with curcumin. Hence, it is suggested from this study that pseudodementia can be reversed unlike true dementia by controlling the factors such as depression which induce memory impairment.
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32
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Leschik J, Lutz B, Gentile A. Stress-Related Dysfunction of Adult Hippocampal Neurogenesis-An Attempt for Understanding Resilience? Int J Mol Sci 2021; 22:7339. [PMID: 34298958 PMCID: PMC8305135 DOI: 10.3390/ijms22147339] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/02/2021] [Accepted: 07/05/2021] [Indexed: 12/16/2022] Open
Abstract
Newborn neurons in the adult hippocampus are regulated by many intrinsic and extrinsic cues. It is well accepted that elevated glucocorticoid levels lead to downregulation of adult neurogenesis, which this review discusses as one reason why psychiatric diseases, such as major depression, develop after long-term stress exposure. In reverse, adult neurogenesis has been suggested to protect against stress-induced major depression, and hence, could serve as a resilience mechanism. In this review, we will summarize current knowledge about the functional relation of adult neurogenesis and stress in health and disease. A special focus will lie on the mechanisms underlying the cascades of events from prolonged high glucocorticoid concentrations to reduced numbers of newborn neurons. In addition to neurotransmitter and neurotrophic factor dysregulation, these mechanisms include immunomodulatory pathways, as well as microbiota changes influencing the gut-brain axis. Finally, we discuss recent findings delineating the role of adult neurogenesis in stress resilience.
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Affiliation(s)
- Julia Leschik
- Institute of Physiological Chemistry, University Medical Center of the Johannes Gutenberg University Mainz, 55128 Mainz, Germany;
| | - Beat Lutz
- Institute of Physiological Chemistry, University Medical Center of the Johannes Gutenberg University Mainz, 55128 Mainz, Germany;
- Leibniz Institute for Resilience Research (LIR), 55122 Mainz, Germany
| | - Antonietta Gentile
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00166 Rome, Italy;
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33
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Jalali A, Firouzabadi N, Zarshenas MM. Pharmacogenetic-based management of depression: Role of traditional Persian medicine. Phytother Res 2021; 35:5031-5052. [PMID: 34041799 DOI: 10.1002/ptr.7134] [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: 11/18/2020] [Revised: 03/26/2021] [Accepted: 04/10/2021] [Indexed: 12/11/2022]
Abstract
Depression is one of the most common mental disorders worldwide. The genetic factors are linked to depression and anti-depressant outcomes. Traditional Persian medicine (TPM) manuscripts have provided various anti-depressant remedies, which may be useful in depression management. This review has studied the bioactive compounds, underlying mechanisms, and treatment outcomes of the medicinal plants traditionally mentioned effective for depression from "The storehouse of medicament" (a famous pharmacopeia of TPM) to merge those with the novel genetics science and serve new scope in depression prevention and management. This review paper has been conducted in two sections: (1) Collecting medicinal plants and their bioactive components from "The storehouse of medicament," "Physician's Desk Reference (PDR) for Herbal Medicines," and "Google scholar" database. (2) The critical key factors and genes in depression pathophysiology, prevention, and treatment were clarified. Subsequently, the association between bioactive components' underlying mechanism and depression treatment outcomes via considering polymorphisms in related genes was derived. Taken together, α-Mangostin, β-carotene, β-pinene, apigenin, caffeic acid, catechin, chlorogenic acid, citral, ellagic acid, esculetin, ferulic acid, gallic acid, gentiopicroside, hyperoside, kaempferol, limonene, linalool, lycopene, naringin, protocatechuic acid, quercetin, resveratrol, rosmarinic acid, and umbelliferone are suitable for future pharmacogenetics-based studies in the management of depression.
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Affiliation(s)
- Atefeh Jalali
- Medicinal Plants Processing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Phytopharmaceuticals (Traditional Pharmacy), School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Firouzabadi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad M Zarshenas
- Medicinal Plants Processing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Phytopharmaceuticals (Traditional Pharmacy), School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.,Epilepsy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Salama A, Mahmoud HAA, Kandeil MA, Khalaf MM. Neuroprotective role of camphor against ciprofloxacin induced depression in rats: modulation of Nrf-2 and TLR4. Immunopharmacol Immunotoxicol 2021; 43:309-318. [PMID: 34032546 DOI: 10.1080/08923973.2021.1905658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND Depression affects people feeling to be anxious, worried, and restless. They also lose interest in activities, concentrating and appetite, they finally may attempt suicide. Depression is the second chronic disease, as a source of the global burden of disease, after heart disease. Its prevalence elevated seven times during the COVID-19. AIM The current study was designed to evaluate camphor neuroprotective role against rats' ciprofloxacin-induced depression. MATERIALS AND METHODS Depression was induced by administration of ciprofloxacin (50 mg/kg; orally) for 21 days. Wister albino male rats were divided into five groups. Group I (normal control): rats were given normal saline. Group II: rats received camphor (10 mg/kg; i.p.) for 21 days. Group III (depression control): rats received ciprofloxacin only. Groups IV and V: rats received camphor (5 and 10 mg/kg; i.p.) for 21 days concurrent with ciprofloxacin. Behavior tests as forced swimming test, activity cage, and rotarod were estimated. Oxidative stress and antioxidant biomarkers as malondialdehyde (MDA), nitric oxide (NO), catalase, and nuclear factor erythroid 2-related factor 2 (Nrf-2) besides inflammatory biomarkers as Toll-like receptor 4 (TLR4) and tumor necrosis factor alpha (TNF-α) as well as neurotransmitters were determined. Finally, histopathological examination was done. RESULTS Camphor increased catalase and Nrf-2 activities, decreased NO, MDA, TNF-α, TLR4 serum levels, and elevating brain contents of serotonin, dopamine, gamma-amino butyric acid (GABA) and P190-RHO GTP protein with normal neuronal cells of the frontal cortex. CONCLUSION Camphor has neuroprotective effect via modulation of Nrf-2 and TLR4 against ciprofloxacin-induced depression in rats.
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Affiliation(s)
- Abeer Salama
- Department of Pharmacology, National Research Centre, Cairo, Egypt
| | | | - Mohamed Ahmed Kandeil
- Department of Biochemistry, Faculty of Veterinary medicine, Beni-Suef University, Beni Suef, Egypt
| | - Marwa Mahmoud Khalaf
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni Suef, Egypt
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Langlois C, Potvin S, Khullar A, Tourjman SV. Down and High: Reflections Regarding Depression and Cannabis. Front Psychiatry 2021; 12:625158. [PMID: 34054594 PMCID: PMC8160288 DOI: 10.3389/fpsyt.2021.625158] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 04/15/2021] [Indexed: 12/20/2022] Open
Abstract
In light of the recent changes in the legal status of cannabis in Canada, the understanding of the potential impact of the use of cannabis by individuals suffering from depression is increasingly considered as being important. It is fundamental that we look into the existing literature to examine the influence of cannabis on psychiatric conditions, including mood disorders. In this article, we will explore the relationship that exists between depression and cannabis. We will examine the impact of cannabis on the onset and course of depression, and its treatment. We have undertaken a wide-ranging review of the literature in order to address these questions. The evidence from longitudinal studies suggest that there is a bidirectional relationship between cannabis use and depression, such that cannabis use increases the risk for depression and vice-versa. This risk is possibly higher in heavy users having initiated their consumption in early adolescence. Clinical evidence also suggests that cannabis use is associated with a worse prognosis in individuals with major depressive disorder. The link with suicide remains controversial. Moreover, there is insufficient data to determine the impact of cannabis use on cognition in individuals with major depression disorder. Preliminary evidence suggesting that the endogenous cannabinoid system is involved in the pathophysiology of depression. This will need to be confirmed in future positron emission tomography studies. Randomized controlled trials are needed to investigate the potential efficacy of motivational interviewing and/or cognitive behavioral therapy for the treatment of cannabis use disorder in individuals with major depressive major disorder. Finally, although there is preclinical evidence suggesting that cannabidiol has antidepressant properties, randomized controlled trials will need to properly investigate this possibility in humans.
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Affiliation(s)
| | - Stéphane Potvin
- Department of Psychiatry and Addictology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
- Research Center of the Institut Universitaire en Santé Mentale de Montréal, Montréal, QC, Canada
| | - Atul Khullar
- Department of Psychiatry, University of Alberta, Edmonton, AB, Canada
| | - Smadar Valérie Tourjman
- Department of Psychiatry and Addictology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
- Research Center of the Institut Universitaire en Santé Mentale de Montréal, Montréal, QC, Canada
- Department of Psychiatry, Institut Universitaire en Santé Mentale de Montréal, Montréal, QC, Canada
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Yin YY, Wang YH, Liu WG, Yao JQ, Yuan J, Li ZH, Ran YH, Zhang LM, Li YF. The role of the excitation:inhibition functional balance in the mPFC in the onset of antidepressants. Neuropharmacology 2021; 191:108573. [PMID: 33945826 DOI: 10.1016/j.neuropharm.2021.108573] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/30/2021] [Accepted: 04/14/2021] [Indexed: 12/15/2022]
Abstract
Currently available antidepressants, such as selective serotonin reuptake inhibitors (SSRIs) and serotonin and norepinephrine reuptake inhibitors (SNRIs), generally require weeks to months to produce a therapeutic response, but the mechanism of action underlying the delayed onset of antidepressant-like action remains to be elucidated. The balance between excitatory glutamatergic pyramidal neurons and inhibitory γ-aminobutyric acid (GABA) interneurons, i.e., the excitation:inhibition functional (E:I) balance, in the medial prefrontal cortex (mPFC) is critical in regulating several behaviors and might play an important mediating role in the mechanism of rapid antidepressant-like action reported by several studies. In the present study, the multichannel electrophysiological technique was used to record the firing activities of pyramidal neurons and interneurons and investigate the effects of a single dose of fluoxetine and ketamine (both 10 mg/kg, i.p.) on the E:I functional balance in the rat mPFC after 90 min or 24 h, and the forced swimming test (FST) was used to evaluate the antidepressant-like effects of fluoxetine and ketamine. The present study also explored the effects of chronic treatment with fluoxetine (10 mg/kg, i.g.) for 7 d or 21 d on the E:I functional balance in the mPFC. The present results suggested that a single dose of ketamine could both significantly increase the firing activities of pyramidal neurons and significantly decrease the firing activities of interneurons in the mPFC and exerted significant antidepressant-like action on the FST after 90 min and 24 h, but fluoxetine had no such effects under the same conditions. However, chronic treatment with fluoxetine for 21 d (but not 7 d) could significantly affect the firing activities of pyramidal neurons and interneurons in the mPFC. Taken together, the present results indicated that rapid regulation of the E:I functional balance in the mPFC might be an important common mechanism of rapid-acting antidepressants and the delayed onset of SSRIs might be partly attributed to their inability to rapidly regulate the E:I functional balance in the mPFC. The present study provided a new entry point to the development of rapid-acting antidepressants.
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Affiliation(s)
- Yong-Yu Yin
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Yun-Hui Wang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | | | - Jun-Qi Yao
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Jin Yuan
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Ze-Han Li
- Capital Normal University High School, Beijing, China
| | - Yu-Hua Ran
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Li-Ming Zhang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China.
| | - Yun-Feng Li
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China; Beijing Institute of Basic Medical Sciences, Beijing, China.
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张 竞, 刘 恺, 曾 善, 陈 纯, 邓 燕, 靖 林, 文 戈. [Energy metabolism disorder and functional magnetic resonance imaging of the medial prefrontal cortex in mice with chronic unpredictable mild stress]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2021; 41:521-528. [PMID: 33963710 PMCID: PMC8110447 DOI: 10.12122/j.issn.1673-4254.2021.04.06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Indexed: 06/12/2023]
Abstract
OBJECTIVE To analyze spontaneous activities and energy metabolism in the medial prefrontal cortex (mPFC) of mice with chronic unpredictable mild stress (CUMS) and explore the correlation of these changes with the mTORC1 signaling pathway. OBJECTIVE Normal C57Bl/6 mice were randomly divided into control group (n=16) and depression model group (n= 16), and the mice in the latter group were subjected to 8 weeks of modeling with CUMS. Behavioral tests including open field test, sucrose consumption test, tail suspension test and forced swimming test were performed, and the changes in prefrontal gray matter volume and the amplitude of low frequency fluctuation (ALFF) in the mice were detected with functional magnetic resonance imaging. The CUMS mice were then randomized into two groups for treatment with ketamine (n=8) or saline (n=8). The mPFC tissues of the mice were collected for detecting the phosphorylation levels of mTORC1-related proteins with Western blotting and ATP level and NADP +/NADPH ratio with ELISA in the 3 groups. OBJECTIVE Compared with the control mice, CUMS mice exhibited a distinct depressive phenotype with significantly decreased sucrose preference (P < 0.05) and shortened total distances (P < 0.01) and central exercise distances (P < 0.05) in the open field test without obvious changes of immobile time in tail suspension test and forced swimming test (P>0.05). Prefrontal gray matter volume and mALFF increased (P < 0.01), and the phosphorylation level of mTORC1- related proteins, ATP level and NADP +/NADPH ratio all decreased significantly (P < 0.05) in CUMS mice. After ketamine treatment, the phosphorylation level of mTORC1-related proteins and ATP level increased significantly in CUMS mice (P < 0.05), but the increase of NADP +/NADPH ratio was not statistically significant. OBJECTIVE The mPFC of CUMS mice shows increased spontaneous activities but lowered productivity efficiency, indicating the presence of energy metabolism disorder in the mPFC, which is related with reduced mTORC1 phosphorylation and can be alleviated by activating the mTORC1 pathway with ketamine.
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Affiliation(s)
- 竞予 张
- 南方医科大学南方医院影像中心,广东 广州 510515Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 恺 刘
- 徐州医科大学附属医院影像科,江苏 徐州 221006Department of Medical Imaging, Affiliated Hospital of Xuzhou Medical University, Xuzhou 221006, China
| | - 善美 曾
- 南方医科大学南方医院影像中心,广东 广州 510515Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 纯辉 陈
- 广州中医药大学第二附属医院大院脾胃病科,广东 广州 510120Department of Spleen and Stomach Diseases, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - 燕佳 邓
- 徐州医科大学医学影像学院,江苏 徐州 221006School of Medical Imaging, Xuzhou Medical University, Xuzhou 221006, China
| | - 林林 靖
- 南方医科大学中西医结合医院手术室,广东 广州 510315Operating Theater, TCM Integrated Hospital of Southern Medical University, Guangzhou 510315, China
| | - 戈 文
- 南方医科大学南方医院影像中心,广东 广州 510515Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Deeper Insights on Cnesmone javanica Blume Leaves Extract: Chemical Profiles, Biological Attributes, Network Pharmacology and Molecular Docking. PLANTS 2021; 10:plants10040728. [PMID: 33917986 PMCID: PMC8068331 DOI: 10.3390/plants10040728] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/05/2021] [Accepted: 04/06/2021] [Indexed: 01/14/2023]
Abstract
This study assessed the anxiolytic and antidepressant activities of a methanol leaves extract of Cnesmone javanica (CV) in Swiss albino mice. The study found a significant increase in the percentage of time spent in the open arms of an elevated plus maze and in the incidence of head dipping in hole-board tests following the administration of 400 mg/kg of CV or 1 mg/kg diazepam. Moreover, a significant (p < 0.001) dose-dependent reduction was observed in the immobility time following CV (200 and 400 mg/kg) and fluoxetine (20 mg/kg) administration for forced swimming and tail suspension tests. Gas chromatography–mass spectroscopy (GC–MS) analysis identified 62 compounds in CV, consisting primarily of phenols, terpenoids, esters, and other organic compounds. A molecular docking study was performed to assess the anxiolytic and antidepressant effects of 45 selected compounds against human serotonin transporter and potassium channels receptors. Network pharmacology was performed to predict the pathways involved in these neuropharmacological effects. Overall, CV demonstrated significant and dose-dependent anxiolytic and antidepressant effects due to the presence of several bioactive phytoconstituents, which should be further explored using more advanced and in-depth mechanistic research.
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Naß J, Abdelfatah S, Efferth T. Induction of stress resistance and extension of lifespan in Chaenorhabditis elegans serotonin-receptor knockout strains by withanolide A. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 84:153482. [PMID: 33611213 DOI: 10.1016/j.phymed.2021.153482] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 01/17/2021] [Accepted: 01/23/2021] [Indexed: 06/12/2023]
Abstract
INTRODUCTION Approximately 300 million people worldwide suffer from depression. The COVID-19 crisis may dramatically increase these numbers. Severe side effects and resistance development limit the use of standard antidepressants. The steroidal lactone withanolide A (WA) from Withania somnifera may be a promising alternative. Caenorhabditis elegans was used as model to explore WA's anti-depressive and anti-stress potential. METHODS C. elegans wildtype (N2) and deficient strains (AQ866, DA1814, DA2100, DA2109 and MT9772) were used to assess oxidative, osmotic or heat stress as measured by generation of reactive oxygen species (ROS), determination of lifespan, and mRNA expression of serotonin receptor (ser-1, ser-4, ser-7) and serotonin transporter genes (mod-5). The protective effect of WA was compared to fluoxetine as clinically established antidepressant. Additionally, WA's effect on lifespan was determined. Furthermore, the binding affinities and pKi values of WA, fluoxetine and serotonin as natural ligand to Ser-1, Ser-4, Ser-7, Mod-5 and their human orthologues proteins were calculated by molecular docking. RESULTS Baseline oxidative stress was higher in deficient than wildtype worms. WA and fluoxetine reduced ROS levels in all strains except MT9772. WA and fluoxetine prolonged survival times in wildtype and mutants under osmotic stress. WA but not fluoxetine increased lifespan of all heat-stressed C. elegans strains except DA2100. Furthermore, WA but not fluoxetine extended lifespan in all non-stressed C. elegans strains. WA also induced mRNA expression of serotonin receptors and transporters in wildtype and mutants. WA bound with higher affinity and lower pKi values to all C. elegans and human serotonin receptors and transporters than serotonin, indicating that WA may competitively displaced serotonin from the binding pockets of these proteins. CONCLUSION WA reduced stress and increased lifespan by ROS scavenging and interference with the serotonin system. Hence, WA may serve as promising candidate to treat depression.
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Affiliation(s)
- Janine Naß
- Department of Pharmaceutical Biology, Institute of Biochemistry and Pharmacy, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany
| | - Sara Abdelfatah
- Department of Pharmaceutical Biology, Institute of Biochemistry and Pharmacy, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Biochemistry and Pharmacy, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany.
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Rizk MM, Herzog S, Dugad S, Stanley B. Suicide Risk and Addiction: The Impact of Alcohol and Opioid Use Disorders. CURRENT ADDICTION REPORTS 2021; 8:194-207. [PMID: 33747710 PMCID: PMC7955902 DOI: 10.1007/s40429-021-00361-z] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2021] [Indexed: 01/05/2023]
Abstract
Purpose of Review Suicide is a major public health concern and a leading cause of death in the US. Alcohol and opioid use disorders (AUD/OUD) significantly increase risk for suicidal ideation, attempts, and death, and are the two most frequently implicated substances in suicide risk. We provide a brief overview of shared risk factors and pathways in the pathogenesis of AUD/OUD and suicidal thoughts and behaviors. We also review clinical recommendations on inpatient care, pharmacotherapy, and psychotherapeutic interventions for people with AUD/OUD and co-occurring suicidal ideation and behavior. Recent Findings Among people with an underlying vulnerability to risk-taking and impulsive behaviors, chronic alcohol intoxication can increase maladaptive coping behaviors and hinder self-regulation, thereby increasing the risk of suicide. Additionally, chronic opioid use can result in neurobiological changes that lead to increases in negative affective states, jointly contributing to suicide risk and continued opioid use. Despite significantly elevated suicide risk in individuals with AUD/OUD, there is a dearth of research on pharmacological and psychosocial interventions for co-occurring AUD/OUD and suicidal ideation and behavior. Summary Further research is needed to understand the effects of alcohol and opioid use on suicide risk, as well as address notable gaps in the literature on psychosocial and pharmacological interventions to lower risk for suicide among individuals with AUD/OUD.
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Affiliation(s)
- Mina M. Rizk
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
- Department of Psychiatry, Faculty of Medicine, Minia University, Egypt, Egypt
| | - Sarah Herzog
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
| | - Sanjana Dugad
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Barbara Stanley
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
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Associations between fecal short-chain fatty acids and sleep continuity in older adults with insomnia symptoms. Sci Rep 2021; 11:4052. [PMID: 33603001 PMCID: PMC7893161 DOI: 10.1038/s41598-021-83389-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 02/02/2021] [Indexed: 12/18/2022] Open
Abstract
Insomnia is a disorder characterized by difficulty falling asleep and poor sleep continuity and is associated with increased risks for physical and cognitive decline. Insomnia with short sleep duration is considered the most biologically severe phenotype of the disorder. Evidence suggests that short-chain fatty acids (SCFAs), the main byproducts of fiber fermentation in the gut, may affect sleep via gut–brain communications. This study explores associations between SCFAs and sleep continuity and compares SCFA concentrations in short vs. normal sleep insomnia phenotypes in older adults. Fifty-nine participants with insomnia symptoms (≥ 65 years), completed 2 weeks of objective sleep monitoring (actigraphy), and were divided into short and normal sleep duration phenotypes via cluster analysis. Sleep measures included total sleep time (TST), sleep onset latency (SOL), sleep efficiency (SE), and wake after sleep onset (WASO). Stool samples were collected and fecal SCFA concentrations were determined by gas-chromatography-mass-spectrometry (GCMS). Higher concentrations of acetate, butyrate, and propionate, and total SCFAs, were associated with lower SE and longer SOL after controlling for Body Mass Index (BMI). Concentrations were higher in the short sleep duration phenotype. Age, BMI, TST, and SOL explained 40.7% of the variance in total SCFAs. Findings contribute to understanding pathways along the gut–brain axis and may lead to the use of SCFAs as biomarkers of insomnia phenotypes.
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Moni JNR, Adnan M, Tareq AM, Kabir MI, Reza AA, Nasrin MS, Chowdhury KH, Sayem SAJ, Rahman MA, Alam AHMK, Alam SB, Sakib MA, Oh KK, Cho DH, Capasso R. Therapeutic Potentials of Syzygium fruticosum Fruit (Seed) Reflected into an Array of Pharmacological Assays and Prospective Receptors-Mediated Pathways. Life (Basel) 2021; 11:life11020155. [PMID: 33671381 PMCID: PMC7921944 DOI: 10.3390/life11020155] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 11/16/2022] Open
Abstract
Syzygium fruticosum (SF), a valuable Bangladeshi fruit, is considered an alternative therapeutic agent. Mainly, seeds are used as nutritional phytotherapy to ease physical and mental status by preventing chronic diseases. Here, we scrutinized the S. fruticosum seed's fundamental importance in traditional medicine by following an integrated approach combining in vivo, in vitro, and in silico studies. The SF was fractionated with different solvents, and the ethyl acetate fraction of SF (EaF-SF) was further studied. Mice treated with EaF-SF (200 and 400 mg/kg) manifested anxiolysis evidenced by higher exploration in elevated plus maze and hole board tests. Similarly, a dose-dependent drop of immobility time in a forced swimming test ensured significant anti-depressant activity. Moreover, higher dose treatment exposed reduced exploratory behaviour resembling decreased movement and prolonged sleeping latency with a quick onset of sleep during the open field and thiopental-induced sleeping tests, respectively. In parallel, EaF-SF significantly (p < 0.001) and dose-dependently suppressed acetic acid and formalin-induced pain in mice. Also, a noteworthy anti-inflammatory activity and a substantial (p < 0.01) clot lysis activity (thrombolytic) was observed. Gas chromatography-mass spectrometry (GC-MS) analysis resulted in 49 bioactive compounds. Among them, 12 bioactive compounds with Lipinski's rule and safety confirmation showed strong binding affinity (molecular docking) against the receptors of each model used. To conclude, the S. fruticosum seed is a prospective source of health-promoting effects that can be an excellent candidate for preventing degenerative diseases.
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Affiliation(s)
- Jannatul Nasma Rupa Moni
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh; (J.N.R.M.); (A.M.T.); (M.S.N.); (K.H.C.); (S.A.J.S.); (S.B.A.); (M.A.S.)
| | - Md. Adnan
- Department of Bio-Health Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Korea; (M.A.); (K.K.O.)
| | - Abu Montakim Tareq
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh; (J.N.R.M.); (A.M.T.); (M.S.N.); (K.H.C.); (S.A.J.S.); (S.B.A.); (M.A.S.)
| | - Md. Imtiazul Kabir
- Department of Pharmaceutical Science, South Dakota State University, Bookings, SD 57006, USA;
| | - A.S.M. Ali Reza
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh; (J.N.R.M.); (A.M.T.); (M.S.N.); (K.H.C.); (S.A.J.S.); (S.B.A.); (M.A.S.)
- Department of Biochemistry & Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh;
- Correspondence: (A.S.M.A.R.); (D.H.C.); (R.C.)
| | - Mst. Samima Nasrin
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh; (J.N.R.M.); (A.M.T.); (M.S.N.); (K.H.C.); (S.A.J.S.); (S.B.A.); (M.A.S.)
- Department of Biochemistry & Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh;
| | - Kamrul Hasan Chowdhury
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh; (J.N.R.M.); (A.M.T.); (M.S.N.); (K.H.C.); (S.A.J.S.); (S.B.A.); (M.A.S.)
| | - Syed Al Jawad Sayem
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh; (J.N.R.M.); (A.M.T.); (M.S.N.); (K.H.C.); (S.A.J.S.); (S.B.A.); (M.A.S.)
| | - Md Atiar Rahman
- Department of Biochemistry & Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh;
| | - AHM Khurshid Alam
- Department of Pharmacy, University of Rajshahi, Rajshahi 6205, Bangladesh;
| | - Seema Binte Alam
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh; (J.N.R.M.); (A.M.T.); (M.S.N.); (K.H.C.); (S.A.J.S.); (S.B.A.); (M.A.S.)
| | - Mahfuz Ahmed Sakib
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh; (J.N.R.M.); (A.M.T.); (M.S.N.); (K.H.C.); (S.A.J.S.); (S.B.A.); (M.A.S.)
| | - Ki Kwang Oh
- Department of Bio-Health Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Korea; (M.A.); (K.K.O.)
| | - Dong Ha Cho
- Department of Bio-Health Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Korea; (M.A.); (K.K.O.)
- Correspondence: (A.S.M.A.R.); (D.H.C.); (R.C.)
| | - Raffaele Capasso
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
- Correspondence: (A.S.M.A.R.); (D.H.C.); (R.C.)
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Constitutive Activity of Serotonin Receptor 6 Regulates Human Cerebral Organoids Formation and Depression-like Behaviors. Stem Cell Reports 2020; 16:75-88. [PMID: 33357407 PMCID: PMC7815944 DOI: 10.1016/j.stemcr.2020.11.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 11/25/2020] [Accepted: 11/25/2020] [Indexed: 01/13/2023] Open
Abstract
Serotonin receptor 6 (5-HT6R), a typical G protein-coupled receptor (GPCR) mainly expressed in the neurogenic area with constitutive activity, is of particular interest as a promising target for emotional impairment. Here, we found that 5-HT6R was highly expressed in human NSCs and activation of the receptor promoted self-renewal of human NSCs, and thus induced the expansion and folding of human cerebral organoids; dysfunction of receptor or inhibition of its constitutive activity resulted in the premature differentiation of NSCs, which ultimately depleted the NSC pool. The following mechanistic study revealed that EPAC-CREB signaling was involved in 5-HT6R regulation. Furthermore, we showed that mice with genetic deletion of 5-HT6R or knockin A268R mutant presented depression-like behaviors and impaired hippocampal neurogenesis for progressive decrease of the NSC pool. Thus, this study indicates that the modulation of 5-HT6R and its constitutive activity may provide a therapeutic alternative to alleviate depression. 5-HT6R regulates human neural stem cell proliferation The constitutive activity of 5-HT6R is essential for human neural stem cell's multipotency 5-HT6R modulates neurogenesis of human cerebral organoids Mice with reduced constitutive activity of 5-HT6R show depression-like behaviors
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Savalia NK, Shao LX, Kwan AC. A Dendrite-Focused Framework for Understanding the Actions of Ketamine and Psychedelics. Trends Neurosci 2020; 44:260-275. [PMID: 33358035 DOI: 10.1016/j.tins.2020.11.008] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 11/07/2020] [Accepted: 11/24/2020] [Indexed: 02/09/2023]
Abstract
Pilot studies have hinted that serotonergic psychedelics such as psilocybin may relieve depression, and could possibly do so by promoting neural plasticity. Intriguingly, another psychotomimetic compound, ketamine, is a fast-acting antidepressant and induces synapse formation. The similarities in behavioral and neural effects have been puzzling because the compounds target distinct molecular receptors in the brain. In this opinion article, we develop a conceptual framework that suggests the actions of ketamine and serotonergic psychedelics may converge at the dendrites, to both enhance and suppress membrane excitability. We speculate that mismatches in the opposing actions on dendritic excitability may relate to these compounds' cell-type and region selectivity, their moderate range of effects and toxicity, and their plasticity-promoting capacities.
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Affiliation(s)
- Neil K Savalia
- Medical Scientist Training Program, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Ling-Xiao Shao
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Alex C Kwan
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06511, USA; Department of Neuroscience, Yale University School of Medicine, New Haven, CT 06511, USA.
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Understanding complex dynamics of behavioral, neurochemical and transcriptomic changes induced by prolonged chronic unpredictable stress in zebrafish. Sci Rep 2020; 10:19981. [PMID: 33203921 PMCID: PMC7673038 DOI: 10.1038/s41598-020-75855-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 10/12/2020] [Indexed: 12/11/2022] Open
Abstract
Stress-related neuropsychiatric disorders are widespread, debilitating and often treatment-resistant illnesses that represent an urgent unmet biomedical problem. Animal models of these disorders are widely used to study stress pathogenesis. A more recent and historically less utilized model organism, the zebrafish (Danio rerio), is a valuable tool in stress neuroscience research. Utilizing the 5-week chronic unpredictable stress (CUS) model, here we examined brain transcriptomic profiles and complex dynamic behavioral stress responses, as well as neurochemical alterations in adult zebrafish and their correction by chronic antidepressant, fluoxetine, treatment. Overall, CUS induced complex neurochemical and behavioral alterations in zebrafish, including stable anxiety-like behaviors and serotonin metabolism deficits. Chronic fluoxetine (0.1 mg/L for 11 days) rescued most of the observed behavioral and neurochemical responses. Finally, whole-genome brain transcriptomic analyses revealed altered expression of various CNS genes (partially rescued by chronic fluoxetine), including inflammation-, ubiquitin- and arrestin-related genes. Collectively, this supports zebrafish as a valuable translational tool to study stress-related pathogenesis, whose anxiety and serotonergic deficits parallel rodent and clinical studies, and genomic analyses implicate neuroinflammation, structural neuronal remodeling and arrestin/ubiquitin pathways in both stress pathogenesis and its potential therapy.
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Ushakova VM, Morozova AY, Reznik AM, Kostyuk GP, Chekhonin VP. Molecular Biological Aspects of Depressive Disorders: A Modern View. Mol Biol 2020. [DOI: 10.1134/s0026893320050118] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Abstract
OBJECTIVE This review of serotonin syndrome or serotonin toxicity covers the years 2014 to 2019, including information on pathophysiology, etiology, and diagnosis, 3 criteria for diagnosing serotonin syndrome, and criteria for neuroleptic malignant syndrome. IMPORTANCE The review highlights the potential lethal combinations of commonly prescribed medications used to treat both veteran and nonveteran patients and includes the latest information on offending medications. CONCLUSIONS Prevention of serotonin toxicity includes informed clinicians, patient education, careful prescribing and monitoring, and avoidance of multidrug regimens.
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Affiliation(s)
- Cynthia Wright Talton
- is a Nurse Practitioner in the Outpatient Mental Health Clinic at the Veterans Affairs Medical Center in Salem, Virginia
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48
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Rapid acting antidepressants in the mTOR pathway: Current evidence. Brain Res Bull 2020; 163:170-177. [DOI: 10.1016/j.brainresbull.2020.07.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 07/16/2020] [Accepted: 07/24/2020] [Indexed: 02/08/2023]
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49
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Khom S, Wolfe SA, Patel RR, Kirson D, Hedges DM, Varodayan FP, Bajo M, Roberto M. Alcohol Dependence and Withdrawal Impair Serotonergic Regulation of GABA Transmission in the Rat Central Nucleus of the Amygdala. J Neurosci 2020; 40:6842-6853. [PMID: 32769108 PMCID: PMC7470924 DOI: 10.1523/jneurosci.0733-20.2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 07/08/2020] [Accepted: 07/14/2020] [Indexed: 12/15/2022] Open
Abstract
Excessive serotonin (5-HT) signaling plays a critical role in the etiology of alcohol use disorder. The central nucleus of the amygdala (CeA) is a key player in alcohol-dependence associated behaviors. The CeA receives dense innervation from the dorsal raphe nucleus, the major source of 5-HT, and expresses 5-HT receptor subtypes (e.g., 5-HT2C and 5-HT1A) critically linked to alcohol use disorder. Notably, the role of 5-HT regulating rat CeA activity in alcohol dependence is poorly investigated. Here, we examined neuroadaptations of CeA 5-HT signaling in adult, male Sprague Dawley rats using an established model of alcohol dependence (chronic intermittent alcohol vapor exposure), ex vivo slice electrophysiology and ISH. 5-HT increased frequency of sIPSCs without affecting postsynaptic measures, suggesting increased CeA GABA release in naive rats. In dependent rats, this 5-HT-induced increase of GABA release was attenuated, suggesting blunted CeA 5-HT sensitivity, which partially recovered in protracted withdrawal (2 weeks). 5-HT increased vesicular GABA release in naive and dependent rats but had split effects (increase and decrease) after protracted withdrawal indicative of neuroadaptations of presynaptic 5-HT receptors. Accordingly, 5-HT abolished spontaneous neuronal firing in naive and dependent rats but had bidirectional effects in withdrawn. Alcohol dependence and protracted withdrawal did not alter either 5-HT1A-mediated decrease of CeA GABA release or Htr1a expression but disrupted 5-HT2C-signaling without affecting Htr2c expression. Collectively, our study provides detailed insights into modulation of CeA activity by the 5-HT system and unravels the vulnerability of the CeA 5-HT system to chronic alcohol and protracted withdrawal.SIGNIFICANCE STATEMENT Elevated GABA signaling in the central nucleus of the amygdala (CeA) underlies key behaviors associated with alcohol dependence. The CeA is reciprocally connected with the dorsal raphe nucleus, the main source of serotonin (5-HT) in the mammalian brain, and excessive 5-HT signaling is critically implicated in the etiology of alcohol use disorder. Our study, using a well-established rat model of alcohol dependence, ex vivo electrophysiology and ISH, provides mechanistic insights into how both chronic alcohol exposure and protracted withdrawal dysregulate 5-HT signaling in the CeA. Thus, our study further expands our understanding of CeA cellular mechanisms involved in the pathophysiology of alcohol dependence and withdrawal.
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Affiliation(s)
- Sophia Khom
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92307
| | - Sarah A Wolfe
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92307
| | - Reesha R Patel
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92307
| | - Dean Kirson
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92307
| | - David M Hedges
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92307
| | - Florence P Varodayan
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92307
| | - Michal Bajo
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92307
| | - Marisa Roberto
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California 92307
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Li J, Chen L, Li G, Chen X, Hu S, Zheng L, Luria V, Lv J, Sun Y, Xu Y, Yu Y. Sub-Acute Treatment of Curcumin Derivative J147 Ameliorates Depression-Like Behavior Through 5-HT 1A-Mediated cAMP Signaling. Front Neurosci 2020; 14:701. [PMID: 32733195 PMCID: PMC7360862 DOI: 10.3389/fnins.2020.00701] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 06/09/2020] [Indexed: 12/14/2022] Open
Abstract
Background Major depressive disorder (MDD) is a severe mental disorder related to the deficiency of monoamine neurotransmitters, particularly to abnormalities of 5-HT (5-hydroxytryptamine, serotonin) and its receptors. Our previous study suggested that acute treatment with a novel curcumin derivative J147 exhibited antidepressant-like effects by increasing brain derived neurotrophic factor (BDNF) level in the hippocampus of mice. The present study expanded upon our previous findings and investigated the antidepressant-like effects of sub-acute treatment of J147 for 3 days in male ICR mice and its possible relevancy to 5-HT1A and 5-HT1B receptors and downstream cAMP-BDNF signaling. Methods J147 at doses of 1, 3, and 9 mg/kg (via gavage) was administered for 3 days, and the anti-immobility time in the forced swimming and tail suspension tests (FST and TST) was recorded. The radioligand binding assay was used to determine the affinity of J147 to 5-HT1A and 5-HT1B receptor. Moreover, 5-HT1A or 5-HT1B agonist or its antagonist was used to determine which 5-HT receptor subtype is involved in the antidepressant-like effects of J147. The downstream signaling molecules such as cAMP, PKA, pCREB, and BDNF were also measured to determine the mechanism of action. Results The results demonstrated that sub-acute treatment of J147 remarkably decreased the immobility time in both the FST and TST in a dose-dependent manner. J147 displayed high affinity in vitro to 5-HT1A receptor prepared from mice cortical tissue and was less potent at 5-HT1B receptor. These effects of J147 were blocked by pretreatment with a 5-HT1A antagonist NAD-299 and enhanced by a 5-HT1A agonist 8-OH-DPAT. However, 5-HT1B receptor antagonist NAS-181 did not appreciably alter the effects of J147 on depression-like behaviors. Moreover, pretreatment with NAD-299 blocked J147-induced increases in cAMP, PKA, pCREB, and BDNF expression in the hippocampus, while 8-OH-DPAT enhanced the effects of J147 on these proteins’ expression. Conclusion The results suggest that J147 induces rapid antidepressant-like effects during a 3-day treatment period without inducing drug tolerance. These effects might be mediated by 5-HT1A-dependent cAMP/PKA/pCREB/BDNF signaling.
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Affiliation(s)
- Jianxin Li
- Department of Gastroenterology, Wenzhou No. 3 Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Ling Chen
- Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Gaowen Li
- Ningbo College of Health Sciences, Ningbo, China.,Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, NY, United States
| | - Xiaojuan Chen
- Department of Gastroenterology, Wenzhou No. 3 Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Sisi Hu
- Department of Gastroenterology, Wenzhou No. 3 Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Liang Zheng
- Department of Gastroenterology, Wenzhou No. 3 Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Victor Luria
- Department of Systems Biology, Harvard Medical School, Boston, MA, United States
| | - Jinpeng Lv
- Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, NY, United States.,College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China
| | - Yindi Sun
- Department of Traditional Medical Orthopedics, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Ying Xu
- Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, NY, United States
| | - Yingcong Yu
- Department of Gastroenterology, Wenzhou No. 3 Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
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