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Talaee N, Azadvar S, Khodadadi S, Abbasi N, Asli-Pashaki ZN, Mirabzadeh Y, Kholghi G, Akhondzadeh S, Vaseghi S. Comparing the effect of fluoxetine, escitalopram, and sertraline, on the level of BDNF and depression in preclinical and clinical studies: a systematic review. Eur J Clin Pharmacol 2024; 80:983-1016. [PMID: 38558317 DOI: 10.1007/s00228-024-03680-y] [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: 02/17/2023] [Accepted: 03/21/2024] [Indexed: 04/04/2024]
Abstract
Brain-derived neurotrophic factor (BDNF) dysfunction is one of the most important mechanisms underlying depression. It seems that selective serotonin reuptake inhibitors (SSRIs) improve depression via affecting BDNF level. In this systematic review, for the first time, we aimed to review the effect of three SSRIs including fluoxetine, escitalopram, and sertraline, on both depression and BDNF level in preclinical and clinical studies. PubMed electronic database was searched, and 193 articles were included in this study. After reviewing all manuscripts, only one important difference was found: subjects. We found that SSRIs induce different effects in animals vs. humans. Preclinical studies showed many controversial effects, while human studies showed only two effects: improvement of depression, with or without the improvement of BDNF. However, most studies used chronic SSRIs treatment, while acute SSRIs were not effectively used and evaluated. In conclusion, it seems that SSRIs are reliable antidepressants, and the improvement effect of SSRIs on depression is not dependent to BDNF level (at least in human studies).
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Affiliation(s)
- Nastaran Talaee
- Department of Psychology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Shataw Azadvar
- Department of Power Electronic, Faculty of Electrical Engineering, Sahand University of Technology, Tabriz, Iran
| | - Sanaz Khodadadi
- Student Research Committee, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Nahal Abbasi
- Department of Health Psychology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | | | - Yasaman Mirabzadeh
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Gita Kholghi
- Department of Psychology, Faculty of Human Sciences, Tonekabon Branch, Islamic Azad University, Tonekabon, Iran
| | - Shahin Akhondzadeh
- Psychiatric Research Center, Department of Psychiatry, Faculty of Medicine, Roozbeh Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Salar Vaseghi
- Cognitive Neuroscience Lab, Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, 1419815477, Iran.
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Sgambato V. The Serotonin 4 Receptor Subtype: A Target of Particular Interest, Especially for Brain Disorders. Int J Mol Sci 2024; 25:5245. [PMID: 38791281 PMCID: PMC11121119 DOI: 10.3390/ijms25105245] [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: 03/15/2024] [Revised: 04/22/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
In recent years, particular attention has been paid to the serotonin 4 receptor, which is well expressed in the brain, but also peripherally in various organs. The cerebral distribution of this receptor is well conserved across species, with high densities in the basal ganglia, where they are expressed by GABAergic neurons. The 5-HT4 receptor is also present in the cerebral cortex, hippocampus, and amygdala, where they are carried by glutamatergic or cholinergic neurons. Outside the central nervous system, the 5-HT4 receptor is notably expressed in the gastrointestinal tract. The wide distribution of the 5-HT4 receptor undoubtedly contributes to its involvement in a plethora of functions. In addition, the modulation of this receptor influences the release of serotonin, but also the release of other neurotransmitters such as acetylcholine and dopamine. This is a considerable asset, as the modulation of the 5-HT4 receptor can therefore play a direct or indirect beneficial role in various disorders. One of the main advantages of this receptor is that it mediates a much faster antidepressant and anxiolytic action than classical selective serotonin reuptake inhibitors. Another major benefit of the 5-HT4 receptor is that its activation enhances cognitive performance, probably via the release of acetylcholine. The expression of the 5-HT4 receptor is also altered in various eating disorders, and its activation by the 5-HT4 agonist negatively regulates food intake. Additionally, although the cerebral expression of this receptor is modified in certain movement-related disorders, it is still yet to be determined whether this receptor plays a key role in their pathophysiology. Finally, there is no longer any need to demonstrate the value of 5-HT4 receptor agonists in the pharmacological management of gastrointestinal disorders.
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Affiliation(s)
- Véronique Sgambato
- Institut des Sciences Cognitives Marc Jeannerod (ISCMJ), Unité Mixte de Recherche 5229 du Centre National de la Recherche Scientifique (CNRS), 69675 Bron, France; ; Tel.: +33-4379-11249
- UFR Biosciences, Université de Lyon 1, 69100 Villeurbanne, France
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3
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Besckow EM, Ledebuhr KNB, Pires CS, Rocha MJD, Kuntz NEB, Godoi B, Bortolatto CF, Brüning CA. Dopaminergic Modulation and Computational ADMET Insights for the Antidepressant-like Effect of N-(3-(Phenylselanyl)prop-2-yn-1-yl)benzamide. ACS Chem Neurosci 2024; 15:1904-1914. [PMID: 38639539 DOI: 10.1021/acschemneuro.4c00092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024] Open
Abstract
The compound N-(3-(phenylselanyl)prop-2-yn-1-yl)benzamide (SePB), which combines a selenium atom and a benzamide nucleus in an organic structure, has demonstrated a fast antidepressant-like effect in mice. This action is influenced by the serotonergic system and represents a promising development in the search for novel antidepressant drugs to treat major depressive disorder (MDD), which often resists conventional treatments. This study aimed to further explore the mechanism underlying the antidepressant-like effect of SePB by investigating the involvement of the dopaminergic and noradrenergic systems in the tail suspension test (TST) in mice and evaluating its pharmacokinetic profile in silico. Preadministration of the dopaminergic antagonists haloperidol (0.05 mg/kg, intraperitoneally (i.p.)), a nonselective antagonist of dopamine (DA) receptors, SCH23390 (0.01 mg/kg, subcutaneously (s.c.)), a D1 receptor antagonist, and sulpiride (50 mg/kg, i.p.), a D2/3 receptor antagonist, before SePB (10 mg/kg, intragastrically (i.g.)) prevented the anti-immobility effect of SePB in the TST, demonstrating that these receptors are involved in the antidepressant-like effect of SePB. Administration of the noradrenergic antagonists prazosin (1 mg/kg, i.p.), an α1-adrenergic antagonist, yohimbine (1 mg/kg, i.p.), an α2-adrenergic antagonist, and propranolol (2 mg/kg, i.p.), a β-adrenergic antagonist, did not block the antidepressant-like effect of SePB on TST, indicating that noradrenergic receptors are not involved in this effect. Additionally, the coadministration of SePB and bupropion (a noradrenaline/dopamine reuptake inhibitor) at subeffective doses (0.1 and 3 mg/kg, respectively) produced antidepressant-like effects. SePB also demonstrated good oral bioavailability and low toxicity in computational absorption, distribution, metabolism, excretion, and toxicity (ADMET) analyses. These findings suggest that SePB has potential as a new antidepressant drug candidate with a particular focus on the dopaminergic system.
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Affiliation(s)
- Evelyn Mianes Besckow
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Graduate Program in Biochemistry and Bioprospecting (PPGBBio), Chemical, Pharmaceutical and Food Sciences Center (CCQFA), Federal University of Pelotas (UFPel), Pelotas, RS 96010-900, Brazil
| | - Kauane Nayara Bahr Ledebuhr
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Graduate Program in Biochemistry and Bioprospecting (PPGBBio), Chemical, Pharmaceutical and Food Sciences Center (CCQFA), Federal University of Pelotas (UFPel), Pelotas, RS 96010-900, Brazil
| | - Camila Simões Pires
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Graduate Program in Biochemistry and Bioprospecting (PPGBBio), Chemical, Pharmaceutical and Food Sciences Center (CCQFA), Federal University of Pelotas (UFPel), Pelotas, RS 96010-900, Brazil
| | - Marcia Juciele da Rocha
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Graduate Program in Biochemistry and Bioprospecting (PPGBBio), Chemical, Pharmaceutical and Food Sciences Center (CCQFA), Federal University of Pelotas (UFPel), Pelotas, RS 96010-900, Brazil
| | - Natália Emanuele Biolosor Kuntz
- Nucleus of Synthesis and Application of Organic and Inorganic Compounds (NUSAACOI), Federal University of Fronteira Sul (UFFS), Cerro Largo, RS 97900-000, Brazil
| | - Benhur Godoi
- Nucleus of Synthesis and Application of Organic and Inorganic Compounds (NUSAACOI), Federal University of Fronteira Sul (UFFS), Cerro Largo, RS 97900-000, Brazil
| | - Cristiani Folharini Bortolatto
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Graduate Program in Biochemistry and Bioprospecting (PPGBBio), Chemical, Pharmaceutical and Food Sciences Center (CCQFA), Federal University of Pelotas (UFPel), Pelotas, RS 96010-900, Brazil
| | - César Augusto Brüning
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Graduate Program in Biochemistry and Bioprospecting (PPGBBio), Chemical, Pharmaceutical and Food Sciences Center (CCQFA), Federal University of Pelotas (UFPel), Pelotas, RS 96010-900, Brazil
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Adonina S, Bazhenova E, Bazovkina D. Effect of Short Photoperiod on Behavior and Brain Plasticity in Mice Differing in Predisposition to Catalepsy: The Role of BDNF and Serotonin System. Int J Mol Sci 2024; 25:2469. [PMID: 38473717 DOI: 10.3390/ijms25052469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/14/2024] [Accepted: 02/18/2024] [Indexed: 03/14/2024] Open
Abstract
Seasonal affective disorder is characterized by depression during fall/winter as a result of shorter daylight. Catalepsy is a syndrome of some grave mental diseases. Both the neurotransmitter serotonin (5-HT) and brain-derived neurotrophic factor (BDNF) are involved in the pathophysiological mechanisms underlying catalepsy and depressive disorders. The aim was to compare the response of behavior and brain plasticity to photoperiod alterations in catalepsy-resistant C57BL/6J and catalepsy-prone CBA/Lac male mice. Mice of both strains were exposed for six weeks to standard-day (14 h light/10 h darkness) or short-day (4 h light/20 h darkness) conditions. Short photoperiod increased depressive-like behavior in both strains. Only treated CBA/Lac mice demonstrated increased cataleptic immobility, decreased brain 5-HT level, and the expression of Tph2 gene encoding the key enzyme for 5-HT biosynthesis. Mice of both strains maintained under short-day conditions, compared to those under standard-day conditions, showed a region-specific decrease in the brain transcription of the Htr1a, Htr4, and Htr7 genes. After a short photoperiod exposure, the mRNA levels of the BDNF-related genes were reduced in CBA/Lac mice and were increased in the C57BL/6J mice. Thus, the predisposition to catalepsy considerably influences the photoperiodic changes in neuroplasticity, wherein both C57BL/6J and CBA/Lac mice can serve as a powerful tool for investigating the link between seasons and mood.
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Affiliation(s)
- Svetlana Adonina
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Lavrentieva 10, Novosibirsk 630090, Russia
| | - Ekaterina Bazhenova
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Lavrentieva 10, Novosibirsk 630090, Russia
| | - Darya Bazovkina
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Lavrentieva 10, Novosibirsk 630090, Russia
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5
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Hu H, Li F, Cheng S, Qu T, Shen F, Cheng J, Chen L, Zhao Z, Hu H. Alternate-day fasting ameliorated anxiety-like behavior in high-fat diet-induced obese mice. J Nutr Biochem 2024; 124:109526. [PMID: 37931668 DOI: 10.1016/j.jnutbio.2023.109526] [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: 10/06/2022] [Revised: 11/01/2023] [Accepted: 11/01/2023] [Indexed: 11/08/2023]
Abstract
Alternate-day fasting (ADF) has been reported to reduce body weight, neuroinflammation, and oxidative stress damage. However, it is not known whether ADF affects obesity-induced anxiety-like behavior. Here, male C57BL/6 mice were given an alternate fasting and high-fat diet (HFD) or standard chow diet (SD) every other day for 16 or 5 weeks. After the intervention, the degree of anxiety of the mice was evaluated by the open field test (OFT) and the elevated plus maze (EPM) test. Pathological changes in the hippocampus, the expression of Sirt1 and its downstream protein monoamine oxidase A (MAO-A) in the hippocampus, and the expression of 5-hydroxytryptamine (5-HT) were detected. Compared with HFD-fed mice, HFD-fed mice subjected to ADF for 16 weeks had a lower body weight but more brown adipose tissue (BAT), less anxiety behavior, and less pathological damage in the hippocampus, and lower expression of Sirt1 and MAO-A protein and higher 5-HT levels in the hippocampus could be observed. In addition, we noted that long-term ADF intervention could cause anxiety-like behavior in SD mice. Next, we changed the intervention time to 5 weeks. The results showed that short-term ADF intervention could reduce the body weight and increase the BAT mass of SD mice, but it did not affect anxiety. These results indicated that long-term ADF ameliorated obesity-induced anxiety-like behavior and hippocampal damage, but caused anxiety in normal-weight mice. Short-term ADF did not produce adverse emotional reactions in normal-weight mice. Here, we might provide new ideas for the treatment of obesity-induced anxiety.
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Affiliation(s)
- Huijuan Hu
- Department of Pharmacology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Department of pharmacy, Northwest Women's and Children's Hospital, Xi'an, Shaanxi, China
| | - Fan Li
- Basic Medical Experiment Teaching Center, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shaoli Cheng
- Basic Medical Experiment Teaching Center, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Tingting Qu
- Department of Pharmacology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Fanqi Shen
- Department of Pharmacology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jie Cheng
- Department of Pharmacology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Lina Chen
- Department of Pharmacology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an, Shaanxi, China
| | - Zhenghang Zhao
- Department of Pharmacology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an, Shaanxi, China
| | - Hao Hu
- Department of Pharmacology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Basic Medical Experiment Teaching Center, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an, Shaanxi, China.
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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: 0] [Impact Index Per Article: 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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Joo MK, Kim DH. Vagus nerve-dependent effects of fluoxetine on anxiety- and depression-like behaviors in mice. Eur J Pharmacol 2023:175862. [PMID: 37331682 DOI: 10.1016/j.ejphar.2023.175862] [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: 02/21/2023] [Revised: 06/08/2023] [Accepted: 06/15/2023] [Indexed: 06/20/2023]
Abstract
The vagus nerve is a major pathway in the body that is responsible for regulating the activity of the parasympathetic nervous system, which plays an important role in mood disorders including anxiety and depression. Fluoxetine, also known as Prozac, is widely used to treat depression. Nevertheless, there are few studies on the vagus nerve-mediated action of fluoxetine. In this study, we aimed to investigate the vagus nerve-dependent actions of fluoxetine in mice with restraint stress-induced or antibiotics-induced anxiety- and depression-like behaviors. Compared to sham operation, vagotomy alone did not exhibit significant effects on behavioral changes and serotonin-related biomarkers in mice not exposed to stress, antibiotics, or fluoxetine. Oral administration of fluoxetine significantly alleviated anxiety- and depression-like behaviors. However, celiac vagotomy significantly attenuated the anti-depressive effects of fluoxetine. The vagotomy also inhibited the effect of fluoxetine to attenuate restraint stress- or cefaclor-induced reduction in serotonin levels and Htr1a mRNA expression in the hippocampus. These findings suggest that the vagus nerve may regulate the efficacy of fluoxetine for depression.
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Affiliation(s)
- Min-Kyung Joo
- Neurobiota Research Center and Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, 02447, South Korea.
| | - Dong-Hyun Kim
- Neurobiota Research Center and Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, 02447, South Korea.
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On the role of serotonin 5-HT 1A receptor in autistic-like behavior: сross talk of 5-HT and BDNF systems. Behav Brain Res 2023; 438:114168. [PMID: 36280010 DOI: 10.1016/j.bbr.2022.114168] [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: 08/17/2022] [Revised: 10/11/2022] [Accepted: 10/17/2022] [Indexed: 12/05/2022]
Abstract
Autism spectrum disorders (ASDs) are some of the most common neurodevelopmental disorders; however, the mechanisms underlying ASDs are still poorly understood. Serotonin (5-HT) and brain-derived neurotrophic factor (BDNF) are known as key players in brain and behavioral plasticity and interact with each other. 5-HT1A receptor is a principal regulator of the brain 5-HT system, which modulates normal and pathological behavior. Here we investigated effects of adeno-associated-virus-based 5-HT1A receptor overexpression in the hippocampus of BTBR mice (which are a model of autism) on various types of behavior and on the expression of 5-HT7 receptor, proBDNF, mature BDNF, and BDNF receptors (TrkB and p75NTR). The 5-HT1A receptor overexpression in BTBR mice reduced stereotyped behavior in the marble-burying test and extended the time spent in the center in the open field test. Meanwhile, this overexpression failed to affect social behavior in the three-chambered test, immobility time in the tail suspension test, locomotor activity in the open field test, and associative learning within the "operant wall" paradigm. The 5-HT1A receptor overexpression in the hippocampus raised hippocampal 5-HT7 receptor mRNA and protein levels. Additionally, the 5-HT1A receptor overexpression lowered both mRNA and protein levels of TrkB receptor but failed to affect proBDNF, mature BDNF, and p75NTR receptor expression in the hippocampus of BTBR mice. Thus, obtained results suggest the involvement of the 5-HT and BDNF systems' interaction mediated by 5-HT1A and TrkB receptors in the mechanisms underlying autistic-like behavior in BTBR mice.
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da Rocha MJ, Pires CS, Presa MH, Besckow EM, Nunes GD, Gomes CS, Penteado F, Lenardão EJ, Bortolatto CF, Brüning CA. Involvement of the serotonergic system in the antidepressant-like effect of 1-(phenylselanyl)-2-(p-tolyl)indolizine in mice. Psychopharmacology (Berl) 2023; 240:373-389. [PMID: 36645465 DOI: 10.1007/s00213-023-06313-x] [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: 04/22/2022] [Accepted: 01/05/2023] [Indexed: 01/17/2023]
Abstract
RATIONALE Depression is a mental disorder that affects approximately 280 million people worldwide. In the search for new treatments for mood disorders, compounds containing selenium and indolizine derivatives show promising results. OBJECTIVES AND METHODS To evaluate the antidepressant-like effect of 1-(phenylselanyl)-2-(p-tolyl)indolizine (MeSeI) (0.5-50 mg/kg, intragastric-i.g.) on the tail suspension test (TST) and the forced swim test (FST) in adult male Swiss mice and to elucidate the role of the serotonergic system in this effect through pharmacological and in silico approaches, as well to evaluate acute oral toxicity at a high dose (300 mg/kg). RESULTS MeSeI administered 30 min before the FST and the TST reduced immobility time at doses from 1 mg/kg and at 50 mg/kg and increased the latency time for the first episode of immobility, demonstrating an antidepressant-like effect. In the open field test (OFT), MeSeI did not change the locomotor activity. The antidepressant-like effect of MeSeI (50 mg/kg, i.g.) was prevented by the pre-treatment with p-chlorophenylalanine (p-CPA), a selective tryptophan hydroxylase inhibitor (100 mg/kg, intraperitoneally-i.p. for 4 days), with ketanserin, a 5-HT2A/2C receptor antagonist (1 mg/kg, i.p.), and with GR113808, a 5-HT4 receptor antagonist (0.1 mg/kg, i.p.), but not with WAY100635, a selective 5-HT1A receptor antagonist (0.1 mg/kg, subcutaneous-s.c.) and ondansetron, a 5-HT3 receptor antagonist (1 mg/kg, i.p.). MeSeI showed a binding affinity with 5-HT2A, 5 -HT2C, and 5-HT4 receptors by molecular docking. MeSeI (300 mg/kg, i.g.) demonstrated low potential to cause acute toxicity in adult female Swiss mice. CONCLUSION In summary, MeSeI exhibits an antidepressant-like effect mediated by the serotonergic system and could be considered for the development of new treatment strategies for depression.
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Affiliation(s)
- Marcia Juciele da Rocha
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Postgraduate Program in Biochemistry and Bioprospecting (PPGBBio), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil
| | - Camila Simões Pires
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Postgraduate Program in Biochemistry and Bioprospecting (PPGBBio), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil
| | - Marcelo Heinemann Presa
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Postgraduate Program in Biochemistry and Bioprospecting (PPGBBio), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil
| | - Evelyn Mianes Besckow
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Postgraduate Program in Biochemistry and Bioprospecting (PPGBBio), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil
| | - Gustavo D'Avila Nunes
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Postgraduate Program in Biochemistry and Bioprospecting (PPGBBio), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil
| | - Caroline Signorini Gomes
- Clean Organic Synthesis Laboratory (LASOL), Postgraduate Program in Chemistry (PPGQ), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil
| | - Filipe Penteado
- Clean Organic Synthesis Laboratory (LASOL), Postgraduate Program in Chemistry (PPGQ), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil
| | - Eder João Lenardão
- Clean Organic Synthesis Laboratory (LASOL), Postgraduate Program in Chemistry (PPGQ), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil
| | - Cristiani Folharini Bortolatto
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Postgraduate Program in Biochemistry and Bioprospecting (PPGBBio), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil.
| | - César Augusto Brüning
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Postgraduate Program in Biochemistry and Bioprospecting (PPGBBio), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), Capão Do Leão Campus, Pelotas, RS, 96010-900, Brazil.
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Karaman M, Toraman E, Sulukan E, Baran A, Bolat İ, Yıldırım S, Kankaynar M, Ghosigharehagaji A, Budak H, Ceyhun SB. Fluoride exposure causes behavioral, molecular and physiological changes in adult zebrafish (Danio rerio) and their offspring. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 97:104044. [PMID: 36566951 DOI: 10.1016/j.etap.2022.104044] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/13/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Fluoride exposure through drinking water, foods, cosmetics, and drugs causes genotoxic effects, oxidative damage, and impaired cognitive abilities. In our study, the effects of fluoride on anxiety caused by the circadian clock and circadian clock changes in a zebrafish model were investigated at the molecular level on parents and the next generations. For this purpose, adult zebrafish were exposed to 1.5 ppm, 5 ppm, and 100 ppm fluoride for 6 weeks. At the end of exposure, anxiety-like behaviors and sleep/wake behaviors of the parent fish were evaluated with the circadian rhythm test and the novel tank test. In addition, antioxidant enzyme activities and melatonin levels in brain tissues were measured. In addition, morphological, physiological, molecular and behavioral analyzes of offspring taken from zebrafish exposed to fluoride were performed. In addition, histopathological analyzes were made in the brain tissues of both adult zebrafish and offspring, and the damage caused by fluoride was determined. The levels of BMAL1, CLOCK, PER2, GNAT2, BDNF and CRH proteins were measured by immunohistochemical analysis and significant changes in their levels were determined in the F- treated groups. The data obtained as a result of behavioral and molecular analyzes showed that parental fluoride exposure disrupts the circadian rhythm, causes anxiety-like behaviors, and decreases the levels of brain antioxidant enzymes and melatonin in parents. In addition, delay in hatching, increase in death and body malformations, and decrease in blood flow velocity, and locomotor activity was observed in parallel with dose increase in offspring. On the other hand, an increase in offspring apoptosis rate, ROS level, and lipid accumulation was detected. As a result, negative effects of fluoride exposure on both parents and next generations have been identified.
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Affiliation(s)
- Melike Karaman
- Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Turkey; Department of Molecular Biology and Genetics, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Emine Toraman
- Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Turkey; Department of Molecular Biology and Genetics, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Ekrem Sulukan
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Aquaculture Department, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Aquaculture Engineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Alper Baran
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Food Quality Control and Analysis, Technical Vocational School, Atatürk University, Erzurum, Turkey
| | - İsmail Bolat
- Department of Pathology, Faculty of Veterinary, Atatürk University, Erzurum, Turkey
| | - Serkan Yıldırım
- Department of Pathology, Faculty of Veterinary, Atatürk University, Erzurum, Turkey
| | - Meryem Kankaynar
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Nanoscience and Nanoengineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Atena Ghosigharehagaji
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey
| | - Harun Budak
- Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Turkey; Department of Molecular Biology and Genetics, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Saltuk Buğrahan Ceyhun
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Aquaculture Department, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Aquaculture Engineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey; Department of Nanoscience and Nanoengineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey.
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11
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Pochwat B, Krupa AJ, Siwek M, Szewczyk B. New investigational agents for the treatment of major depressive disorder. Expert Opin Investig Drugs 2022; 31:1053-1066. [PMID: 35975761 DOI: 10.1080/13543784.2022.2113376] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Pharmacotherapy of depression is characterized by the delayed onset of action, chronic treatment requirements, and insufficient effectiveness. Ketamine, with its rapid action and long-lasting effects, represents a breakthrough in the modern pharmacotherapy of depression. AREAS COVERED : The current review summarizes the latest findings on the mechanism of the antidepressant action of ketamine and its enantiomers and metabolites. Furthermore, the antidepressant potential of psychedelics, non-hallucinogenic serotonergic modulators and metabotropic glutamate receptor ligands was discussed. EXPERT OPINION Recent data indicated that to achieve fast and long-acting antidepressant-like effects, compounds must induce durable effects on the architecture and density of dendritic spines in brain regions engaged in mood regulation. Such mechanisms underlie the actions of ketamine and psychedelics. These compounds trigger hallucinations; however, it is thought that these effects might be essential for their antidepressant action. Behavioral studies with serotonergic modulators affecting 5-HT1A (biased agonists), 5-HT4 (agonists), and 5-HT-7 (antagonists) receptors exert rapid antidepressant-like activity, but they seem to be devoid of this effects. Another way to avoid psychomimetic effects and achieve the desired rapid antidepressant-like effects is combined therapy. In this respect, ligands of metabotropic receptors show some potential.
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Affiliation(s)
- Bartłomiej Pochwat
- Department of Neurobiology, Maj Institute of Pharmacology Polish Academy of Sciences, Krakow, Poland
| | - Anna Julia Krupa
- Department of Psychiatry, Jagiellonian University Medical College, Krakow, Poland
| | - Marcin Siwek
- Department of Affective Disorders, Chair of Psychiatry, Jagiellonian University Medical College, Krakow, Poland
| | - Bernadeta Szewczyk
- Department of Neurobiology, Maj Institute of Pharmacology Polish Academy of Sciences, Krakow, Poland
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12
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Köhler-Forsberg K, Ozenne B, Larsen SV, Poulsen AS, Landman EB, Dam VH, Ip CT, Jørgensen A, Svarer C, Knudsen GM, Frokjaer VG, Jørgensen MB. Concurrent anxiety in patients with major depression and cerebral serotonin 4 receptor binding. A NeuroPharm-1 study. Transl Psychiatry 2022; 12:273. [PMID: 35821015 PMCID: PMC9276803 DOI: 10.1038/s41398-022-02034-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 06/13/2022] [Accepted: 06/23/2022] [Indexed: 11/09/2022] Open
Abstract
Concurrent anxiety is frequent in major depressive disorder and a shared pathophysiological mechanism between anxiety and other depressive symptoms is plausible. The serotonin 4 receptor (5-HT4R) has been implicated in both depression and anxiety. This is the first study to investigate the association between the cerebral 5-HT4R binding and anxiety in patients with depression before and after antidepressant treatment and the association to treatment response. Ninety-one drug-free patients with depression were positron emission tomography scanned with the 5-HT4R ligand [11C]-SB207145. Depression severity and concurrent anxiety was measured at baseline and throughout 8 weeks of antidepressant treatment. Anxiety measures included four domains: anxiety/somatization factor score; Generalized Anxiety Disorder 10-items (GAD-10) score; anxiety/somatization factor score ≥7 (anxious depression) and syndromal anxious depression. Forty patients were rescanned at week 8. At baseline, we found a negative association between global 5-HT4R binding and both GAD-10 score (p < 0.01) and anxiety/somatization factor score (p = 0.06). Further, remitters had a higher baseline anxiety/somatization factor score compared with non-responders (p = 0.04). At rescan, patients with syndromal anxious depression had a greater change in binding relative to patients with non-syndromal depression (p = 0.04). Concurrent anxiety in patients with depression measured by GAD-10 score and anxiety/somatization factor score is negatively associated with cerebral 5-HT4R binding. A lower binding may represent a subtype with reduced natural resilience against anxiety in a depressed state, and concurrent anxiety may influence the effect on the 5-HT4R from serotonergic antidepressants. The 5-HT4R is a promising neuroreceptor for further understanding the underpinnings of concurrent anxiety in patients with depression.
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Affiliation(s)
- Kristin Köhler-Forsberg
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XInstitute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark ,grid.475435.4Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Brice Ozenne
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XDepartment of Public Health, Section of Biostatistics, University of Copenhagen, Copenhagen, Denmark
| | - Søren V. Larsen
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XInstitute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Asbjørn S. Poulsen
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Elizabeth B. Landman
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Vibeke H. Dam
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XInstitute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Cheng-Teng Ip
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XInstitute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark ,grid.424580.f0000 0004 0476 7612Department of Clinical Pharmacology, H. Lundbeck A/S, Valby, Denmark
| | - Anders Jørgensen
- grid.5254.60000 0001 0674 042XInstitute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark ,grid.475435.4Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Claus Svarer
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Gitte M. Knudsen
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XInstitute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Vibe G. Frokjaer
- grid.475435.4Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XInstitute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark ,grid.475435.4Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Martin B. Jørgensen
- grid.5254.60000 0001 0674 042XInstitute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark ,grid.475435.4Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
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Khushboo, Siddiqi NJ, de Lourdes Pereira M, Sharma B. Neuroanatomical, Biochemical, and Functional Modifications in Brain Induced by Treatment with Antidepressants. Mol Neurobiol 2022; 59:3564-3584. [DOI: 10.1007/s12035-022-02780-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/24/2022] [Indexed: 12/13/2022]
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Zhao XP, Li H, Dai RP. Neuroimmune crosstalk through brain-derived neurotrophic factor and its precursor pro-BDNF: New insights into mood disorders. World J Psychiatry 2022; 12:379-392. [PMID: 35433323 PMCID: PMC8968497 DOI: 10.5498/wjp.v12.i3.379] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 08/22/2021] [Accepted: 01/23/2022] [Indexed: 02/06/2023] Open
Abstract
Mood disorders are the most common mental disorders, affecting approximately 350 million people globally. Recent studies have shown that neuroimmune interaction regulates mood disorders. Brain-derived neurotrophic factor (BDNF) and its precursor pro-BDNF, are involved in the neuroimmune crosstalk during the development of mood disorders. BDNF is implicated in the pathophysiology of psychiatric and neurological disorders especially in antidepressant pharmacotherapy. In this review, we describe the functions of BDNF/pro-BDNF signaling in the central nervous system in the context of mood disorders. In addition, we summarize the developments for BDNF and pro-BDNF functions in mood disorders. This review aims to provide new insights into the impact of neuroimmune interaction on mood disorders and reveal a new basis for further development of diagnostic targets and mood disorders.
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Affiliation(s)
- Xiao-Pei Zhao
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Hui Li
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Ru-Ping Dai
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
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15
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The GG genotype of the serotonin 4 receptor genetic polymorphism, rs1345697, is associated with lower remission rates after antidepressant treatment: Findings from the METADAP cohort. J Affect Disord 2022; 299:335-343. [PMID: 34906639 DOI: 10.1016/j.jad.2021.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 12/05/2021] [Accepted: 12/09/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND Pharmacological studies have yielded valuable insights into the role of the serotonin 4 receptor (HTR4) in major depressive episodes (MDE) and response to antidepressant drugs (AD). A genetic association has been shown between HTR4 and susceptibility to mood disorders. Our study aims at assessing the association between the HTR4 genetic polymorphism, rs1345697, and improvement in depressive symptoms and remission after antidepressant treatment in MDE patients. METHODS 492 depressed patients from the METADAP cohort were treated prospectively for 6 months with ADs. The clinical outcomes according to HTR4 rs1345697 were compared after 1 (M1), 3 (M3), and 6 (M6) months of treatment. Mixed-effects logistic regression and adjusted linear models assessed the association between rs1345697 and 17-item Hamilton Depression Rating Scale (HDRS) score improvement and response/remission. RESULTS Over the 6 months of treatment, mixed-effects regressions showed lower improvements in HDRS scores (Coefficient=1.52; Confident Interval (CI) 95% [0.37-2.67]; p = 0.009) and lower remission rates (Odds Ratio=2.0; CI95% [1.0-4.1]; p = 0.05) in GG homozygous patients as compared to allele A carriers. LIMITATIONS The major limitations of our study are the uncertainty of the rs1345697 effect on HTR4 function, the substantial drop-out rate, and the fact that analysis is not based on randomization between polymorphism groups. CONCLUSIONS In our study, patients who were homozygous carriers of the variant G of the HTR4 rs1345697 had lower depressive symptoms improvement and 2-fold lower remission rates after antidepressant treatment as compared to allele A carriers. Randomization study should be done to confirm these results.
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16
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Astroglial Serotonin Receptors as the Central Target of Classic Antidepressants. ADVANCES IN NEUROBIOLOGY 2021; 26:317-347. [PMID: 34888840 DOI: 10.1007/978-3-030-77375-5_13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Major depressive disorder (MDD) presents multiple clinical phenotypes and has complex underlying pathological mechanisms. Existing theories cannot completely explain the pathophysiological mechanism(s) of MDD, while the pharmacology of current antidepressants is far from being fully understood. Astrocytes, the homeostatic and defensive cells of the central nervous system, contribute to shaping behaviors, and regulating mood and emotions. A detailed introduction on the role of astrocytes in depressive disorders is thus required, to which this chapter is dedicated. We also focus on the interactions between classic antidepressants and serotonin receptors, overview the role of astrocytes in the pharmacological mechanisms of various antidepressants, and present astrocytes as targets for the treatment of bipolar disorder. We provide a foundation of knowledge on the role of astrocytes in depressive disorders and astroglial 5-HT2B receptors as targets for selective serotonin reuptake inhibitors in vivo and in vitro.
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Layunta E, Buey B, Mesonero JE, Latorre E. Crosstalk Between Intestinal Serotonergic System and Pattern Recognition Receptors on the Microbiota-Gut-Brain Axis. Front Endocrinol (Lausanne) 2021; 12:748254. [PMID: 34819919 PMCID: PMC8607755 DOI: 10.3389/fendo.2021.748254] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 10/05/2021] [Indexed: 12/12/2022] Open
Abstract
Disruption of the microbiota-gut-brain axis results in a wide range of pathologies that are affected, from the brain to the intestine. Gut hormones released by enteroendocrine cells to the gastrointestinal (GI) tract are important signaling molecules within this axis. In the search for the language that allows microbiota to communicate with the gut and the brain, serotonin seems to be the most important mediator. In recent years, serotonin has emerged as a key neurotransmitter in the gut-brain axis because it largely contributes to both GI and brain physiology. In addition, intestinal microbiota are crucial in serotonin signaling, which gives more relevance to the role of the serotonin as an important mediator in microbiota-host interactions. Despite the numerous investigations focused on the gut-brain axis and the pathologies associated, little is known regarding how serotonin can mediate in the microbiota-gut-brain axis. In this review, we will mainly discuss serotonergic system modulation by microbiota as a pathway of communication between intestinal microbes and the body on the microbiota-gut-brain axis, and we explore novel therapeutic approaches for GI diseases and mental disorders.
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Affiliation(s)
- Elena Layunta
- Institute of Biomedicine, Department of Medical Biochemistry and Cell Biology, University of Gothenburg, Gothenburg, Sweden
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain
| | - Berta Buey
- Departamento de Farmacología, Fisiología y Medicina Legal y Forense, Universidad de Zaragoza, Zaragoza, Spain
| | - Jose Emilio Mesonero
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain
- Departamento de Farmacología, Fisiología y Medicina Legal y Forense, Universidad de Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón—IA2 (Universidad de Zaragoza–CITA), Zaragoza, Spain
| | - Eva Latorre
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain
- Instituto Agroalimentario de Aragón—IA2 (Universidad de Zaragoza–CITA), Zaragoza, Spain
- Departamento de Bioquímica y Biología Molecular y Celular, Universidad de Zaragoza, Zaragoza, Spain
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18
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5-HT Receptors and the Development of New Antidepressants. Int J Mol Sci 2021; 22:ijms22169015. [PMID: 34445721 PMCID: PMC8396477 DOI: 10.3390/ijms22169015] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/13/2021] [Accepted: 08/19/2021] [Indexed: 02/06/2023] Open
Abstract
Serotonin modulates several physiological and cognitive pathways throughout the human body that affect emotions, memory, sleep, and thermal regulation. The complex nature of the serotonergic system and interactions with other neurochemical systems indicate that the development of depression may be mediated by various pathomechanisms, the common denominator of which is undoubtedly the disturbed transmission in central 5-HT synapses. Therefore, the deliberate pharmacological modulation of serotonergic transmission in the brain seems to be one of the most appropriate strategies for the search for new antidepressants. As discussed in this review, the serotonergic system offers great potential for the development of new antidepressant therapies based on the combination of SERT inhibition with different pharmacological activity towards the 5-HT system. The aim of this article is to summarize the search for new antidepressants in recent years, focusing primarily on the possibility of benefiting from interactions with various 5-HT receptors in the pharmacotherapy of depression.
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Amigo J, Garro-Martinez E, Vidal Casado R, Compan V, Pilar-Cuéllar F, Pazos A, Díaz A, Castro E. 5-HT 4 Receptors Are Not Involved in the Effects of Fluoxetine in the Corticosterone Model of Depression. ACS Chem Neurosci 2021; 12:2036-2044. [PMID: 33974408 PMCID: PMC8459452 DOI: 10.1021/acschemneuro.1c00158] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
![]()
Clinical
and preclinical studies report the implication of 5-hydroxytryptamine
4 receptors (5-HT4Rs) in depression and anxiety. Here,
we tested whether the absence of 5-HT4Rs influences the response to
the antidepressant fluoxetine in mice subjected to chronic corticosterone
administration, an animal model of depression and anxiety. Therefore,
the effects of chronic administration of fluoxetine in corticosterone-treated
wild-type (WT) and 5-HT4R knockout (KO) mice were evaluated
in the open-field and novelty suppressed feeding tests. As 5-HT1A receptor (5-HT1AR) and brain-derived neurotrophic
factor (BDNF) are critically involved in depression and anxiety, we
further evaluated 5-HT1A receptor functionality by [35S]GTPγS autoradiography and BDNF mRNA expression by in situ hybridization techniques. We found that 5-HT4R KO and WT mice displayed anxiety- and depressive-like behavior
following chronic administration of corticosterone, as evidenced in
the open-field and novelty suppressed feeding tests. In the open-field,
a decreased central activity was observed in naïve and
corticosterone-treated mice of both genotypes following chronic fluoxetine
administration. In the novelty suppressed feeding test, a predictive
paradigm of antidepressant activity, chronic treatment with fluoxetine
reverted the latency to eat in both genotypes. The antidepressant
also potentiated the corticosterone-induced desensitization of the
5-HT1AR in the dorsal raphe nucleus. Further, chronic fluoxetine
increased BDNF mRNA expression in the dentate gyrus of the hippocampus
in corticosterone-treated mice of both genotypes. Therefore, our findings
indicate that the behavioral effects of fluoxetine in the corticosterone
model of depression and anxiety appear not to be dependent on 5-HT4Rs.
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Affiliation(s)
- Josep Amigo
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (Universidad de Cantabria, CSIC, SODERCAN), Departamento de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Emilio Garro-Martinez
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (Universidad de Cantabria, CSIC, SODERCAN), Departamento de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Rebeca Vidal Casado
- Departamento de Farmacología, Facultad de Medicina, Universidad Complutense, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain
- Red de Trastornos Adictivos del Instituto de Salud Carlos III, 28029 Madrid, Spain
| | | | - Fuencisla Pilar-Cuéllar
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (Universidad de Cantabria, CSIC, SODERCAN), Departamento de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Angel Pazos
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (Universidad de Cantabria, CSIC, SODERCAN), Departamento de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Alvaro Díaz
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (Universidad de Cantabria, CSIC, SODERCAN), Departamento de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Elena Castro
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (Universidad de Cantabria, CSIC, SODERCAN), Departamento de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28029 Madrid, Spain
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20
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Murphy SE, de Cates AN, Gillespie AL, Godlewska BR, Scaife JC, Wright LC, Cowen PJ, Harmer CJ. Translating the promise of 5HT 4 receptor agonists for the treatment of depression. Psychol Med 2021; 51:1111-1120. [PMID: 32241310 PMCID: PMC8188527 DOI: 10.1017/s0033291720000604] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 02/21/2020] [Accepted: 02/28/2020] [Indexed: 12/11/2022]
Abstract
Animal experimental studies suggest that 5-HT4 receptor activation holds promise as a novel target for the treatment of depression and cognitive impairment. 5-HT4 receptors are post-synaptic receptors that are located in striatal and limbic areas known to be involved in cognition and mood. Consistent with this, 5-HT4 receptor agonists produce rapid antidepressant effects in a number of animal models of depression, and pro-cognitive effects in tasks of learning and memory. These effects are accompanied by molecular changes, such as the increased expression of neuroplasticity-related proteins that are typical of clinically useful antidepressant drugs. Intriguingly, these antidepressant-like effects have a fast onset of their action, raising the possibility that 5-HT4 receptor agonists may be a particularly useful augmentation strategy in the early stages of SSRI treatment. Until recently, the translation of these effects to humans has been challenging. Here, we review the evidence from animal studies that the 5-HT4 receptor is a promising target for the treatment of depression and cognitive disorders, and outline a potential pathway for the efficient and cost-effective translation of these effects into humans and, ultimately, to the clinic.
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Affiliation(s)
- Susannah E Murphy
- University Department of Psychiatry, Warneford Hospital, University of Oxford, OX3 7JX, UK
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
| | - Angharad N de Cates
- University Department of Psychiatry, Warneford Hospital, University of Oxford, OX3 7JX, UK
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
| | - Amy L Gillespie
- University Department of Psychiatry, Warneford Hospital, University of Oxford, OX3 7JX, UK
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
| | - Beata R Godlewska
- University Department of Psychiatry, Warneford Hospital, University of Oxford, OX3 7JX, UK
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
| | - Jessica C Scaife
- University Department of Psychiatry, Warneford Hospital, University of Oxford, OX3 7JX, UK
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
| | - Lucy C Wright
- University Department of Psychiatry, Warneford Hospital, University of Oxford, OX3 7JX, UK
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
| | - Philip J Cowen
- University Department of Psychiatry, Warneford Hospital, University of Oxford, OX3 7JX, UK
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
| | - Catherine J Harmer
- University Department of Psychiatry, Warneford Hospital, University of Oxford, OX3 7JX, UK
- Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
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21
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Wang JW, Gao F, Wang ZL, Wang XC, Yang J, Ma BR, Wang HS, Xie W, Guo Y, Zhang L. Activation and blockade of dorsal hippocampal serotonin4 receptors produce antidepressant effects in the hemiparkinsonian rats. Brain Res 2021; 1761:147426. [PMID: 33737063 DOI: 10.1016/j.brainres.2021.147426] [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: 08/21/2020] [Revised: 01/05/2021] [Accepted: 03/07/2021] [Indexed: 10/21/2022]
Abstract
Depression is a common non-motor symptom in Parkinson's disease (PD). Although serotonin4 (5-HT4) receptors and the dorsal hippocampus (dHIP) are regarded to be involved in the depression, the mechanism underlying the effects of 5-HT4 receptors in the dHIP on PD-related depression should be further investigated. In the present study, unilateral 6-hydroxydopamine lesions of the medial forebrain bundle (MFB) increased the expressions of 5-HT4 receptors and its co-localization with glutamate neurons in the CA1, CA3 and dentate gyrus. Additionally, MFB lesions induced depressive-like behaviors in the sucrose preference and forced swimming tests. The activation or blockade of dHIP 5-HT4 receptors produced antidepressant effects in the MFB lesioned rats but not in control rats. Neurochemical results showed no changes of monoamines levels in the striatum, medial prefrontal cortex (mPFC), lateral habenula (LHb), and ventral hippocampus (vHIP) in control rats after intra-dHIP injection of 5-HT4 receptors agonist BIMU8 (26 μg/rat), antagonist GR 113808 (16 μg/rat) or GR 113808/BIMU8 (26 μg/16 μg/rat). But in the lesioned rats, BIMU8, GR113808 or GR 113808/BIMU8 injection increased dopamine levels in the striatum, mPFC, LHb, and vHIP and increased 5-HT levels in the LHb. Intra-dHIP injection of GR 113808 or GR 113808/BIMU8 also increased the noradrenaline levels in the mPFC and LHb. All these results suggest that activation or blockade dHIP 5-HT4 receptors produce antidepressant effects in the hemiparkinsonian rats, which may be related to the upregulation of 5-HT4 receptors in the dHIP and the changes of monoamines in the limbic and limbic-related brain regions.
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Affiliation(s)
- Jia-Wei Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Feng Gao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Zhao-Long Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Xiao-Chen Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Jie Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Bo-Rui Ma
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Hui-Sheng Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China; The Key Laboratory of Environment and Disease-Related Genes, Ministry of Education, Xi'an 710061, China
| | - Wen Xie
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China; The Key Laboratory of Environment and Disease-Related Genes, Ministry of Education, Xi'an 710061, China
| | - Yuan Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China; The Key Laboratory of Environment and Disease-Related Genes, Ministry of Education, Xi'an 710061, China.
| | - Li Zhang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China; The Key Laboratory of Environment and Disease-Related Genes, Ministry of Education, Xi'an 710061, China.
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22
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Bombardi C, Grandis A, Pivac N, Sagud M, Lucas G, Chagraoui A, Lemaire-Mayo V, De Deurwaerdère P, Di Giovanni G. Serotonin modulation of hippocampal functions: From anatomy to neurotherapeutics. PROGRESS IN BRAIN RESEARCH 2021; 261:83-158. [PMID: 33785139 DOI: 10.1016/bs.pbr.2021.01.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The hippocampal region receives a dense serotoninergic innervation originating from both medial and dorsal raphe nuclei. This innervation regulates hippocampal activity through the activation of distinct receptor families that are expressed in excitatory and inhibitory neurons, terminals of several afferent neurotransmitter systems, and glial cells. Preclinical and clinical studies indicate that hippocampal dysfunctions are involved in learning and memory deficits, dementia, Alzheimer's disease, epilepsy and mood disorders such as anxiety, depression and post-traumatic syndrome disorder, whereas the hippocampus participates also in the therapeutic mechanisms of numerous medicines. Not surprisingly, several drugs acting via 5-HT mechanisms are efficacious to some extent in some diseases and the link between 5-HT and the hippocampus although clear remains difficult to untangle. For this reason, we review reported data concerning the distribution and the functional roles of the 5-HT receptors in the hippocampal region in health and disease. The impact of the 5-HT systems on the hippocampal function is such that the research of new 5-HT mechanisms and drugs is still very active. It concerns notably drugs acting at the 5-HT1A,2A,2C,4,6 receptor subtypes, in addition to the already existing drugs including the selective serotonin reuptake inhibitors.
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Affiliation(s)
- Cristiano Bombardi
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy.
| | - Annamaria Grandis
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Nela Pivac
- Division of Molecular Medicine, Rudier Boskovic Institute, Zagreb, Croatia
| | - Marina Sagud
- Clinical Hospital Center Zagreb and School of Medicine University of Zagreb, Zagreb, Croatia
| | - Guillaume Lucas
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - Abdeslam Chagraoui
- Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Normandie University, UNIROUEN, INSERM U1239, Rouen, France; Department of Medical Biochemistry, Rouen University Hospital, Rouen, France
| | - Valérie Lemaire-Mayo
- Centre National de la Recherche Scientifique, Institut des Neurosciences Intégratives et Cognitives d'Aquitaine, UMR 5287, Bordeaux, France
| | - Philippe De Deurwaerdère
- Centre National de la Recherche Scientifique, Institut des Neurosciences Intégratives et Cognitives d'Aquitaine, UMR 5287, Bordeaux, France
| | - Giuseppe Di Giovanni
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Neuroscience Division, School of Biosciences, Cardiff University, Cardiff, United Kingdom
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23
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Villas-Boas GR, Lavorato SN, Paes MM, de Carvalho PMG, Rescia VC, Cunha MS, de Magalhães-Filho MF, Ponsoni LF, de Carvalho AAV, de Lacerda RB, da S. Leite L, da S. Tavares-Henriques M, Lopes LAF, Oliveira LGR, Silva-Filho SE, da Silveira APS, Cuman RKN, de S. Silva-Comar FM, Comar JF, do A. Brasileiro L, dos Santos JN, de Freitas WR, Leão KV, da Silva JG, Klein RC, Klein MHF, da S. Ramos BH, Fernandes CKC, de L. Ribas DG, Oesterreich SA. Modulation of the Serotonergic Receptosome in the Treatment of Anxiety and Depression: A Narrative Review of the Experimental Evidence. Pharmaceuticals (Basel) 2021; 14:ph14020148. [PMID: 33673205 PMCID: PMC7918669 DOI: 10.3390/ph14020148] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/05/2021] [Accepted: 02/09/2021] [Indexed: 02/07/2023] Open
Abstract
Serotonin (5-HT) receptors are found throughout central and peripheral nervous systems, mainly in brain regions involved in the neurobiology of anxiety and depression. 5-HT receptors are currently promising targets for discovering new drugs for treating disorders ranging from migraine to neuropsychiatric upsets, such as anxiety and depression. It is well described in the current literature that the brain expresses seven types of 5-HT receptors comprising eighteen distinct subtypes. In this article, we comprehensively reviewed 5-HT1-7 receptors. Of the eighteen 5-HT receptors known today, thirteen are G protein-coupled receptors (GPCRs) and represent targets for approximately 40% of drugs used in humans. Signaling pathways related to these receptors play a crucial role in neurodevelopment and can be modulated to develop effective therapies to treat anxiety and depression. This review presents the experimental evidence of the modulation of the “serotonergic receptosome” in the treatment of anxiety and depression, as well as demonstrating state-of-the-art research related to phytochemicals and these disorders. In addition, detailed aspects of the pharmacological mechanism of action of all currently known 5-HT receptor families were reviewed. From this review, it will be possible to direct the rational design of drugs towards new therapies that involve signaling via 5-HT receptors.
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Affiliation(s)
- Gustavo R. Villas-Boas
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
- Correspondence: ; Tel.: +55-(77)-3614-3152
| | - Stefânia N. Lavorato
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
| | - Marina M. Paes
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
| | - Pablinny M. G. de Carvalho
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
| | - Vanessa C. Rescia
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
| | - Mila S. Cunha
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
| | - Manoel F. de Magalhães-Filho
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
| | - Luis F. Ponsoni
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
| | - Adryano Augustto Valladao de Carvalho
- Research Group on Development of Pharmaceutical Products (P & DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (S.N.L.); (M.M.P.); (P.M.G.d.C.); (V.C.R.); (M.S.C.); (M.F.d.M.-F.); (L.F.P.); (A.A.V.d.C.)
| | - Roseli B. de Lacerda
- Department of Pharmacology, Center for Biological Sciences, Federal University of Paraná, Jardim das Américas, Caixa. postal 19031, Curitiba CEP 81531-990, PR, Brazil;
| | - Lais da S. Leite
- Collegiate Biomedicine, SulAmérica College, Rua Gláuber Rocha, 66, Jardim Paraíso, Luís Eduardo Magalhães CEP 47850-000, BA, Brazil;
| | - Matheus da S. Tavares-Henriques
- Laboratory of Pharmacology of Toxins (LabTox), Graduate Program in Pharmacology and Medicinal Chemistry (PPGFQM), Institute of Biomedical Sciences (ICB) Federal Universityof Rio de Janeiro (UFRJ), Avenida Carlos Chagas Filho, 373, Cidade Universitária, Rio de Janeiro CEP 21941-590, RJ, Brazil;
| | - Luiz A. F. Lopes
- Teaching and Research Manager at the University Hospital—Federal University of Grande Dourados (HU/EBSERH-UFGD), Federal University of Grande Dourados, Rua Ivo Alves da Rocha, 558, Altos do Indaiá, Dourados CEP 79823-501, MS, Brazil;
| | - Luiz G. R. Oliveira
- Nucleus of Studies on Infectious Agents and Vectors (Naive), Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil;
| | - Saulo E. Silva-Filho
- Pharmaceutical Sciences, Food and Nutrition College, Federal University of Mato Grosso do Sul, Avenida Costa e Silva, s/n°, Bairro Universitário, Campo Grande CEP 79070-900, MS, Brazil;
| | - Ana P. S. da Silveira
- Faculty of Biological and Health Sciences, Unigran Capital University Center, RuaBalbina de Matos, 2121, Jarddim Universitário, Dourados CEP 79.824-900, MS, Brazil;
| | - Roberto K. N. Cuman
- Department of Pharmacology and Therapeutics, State University of Maringá, Avenida Colombo, n° 5790, Jardim Universitário, Maringá CEP 87020-900, PR, Brazil; (R.K.N.C.); (F.M.d.S.S.-C.)
| | - Francielli M. de S. Silva-Comar
- Department of Pharmacology and Therapeutics, State University of Maringá, Avenida Colombo, n° 5790, Jardim Universitário, Maringá CEP 87020-900, PR, Brazil; (R.K.N.C.); (F.M.d.S.S.-C.)
| | - Jurandir F. Comar
- Department of Biochemistry, State Universityof Maringá, Avenida Colombo, n° 5790, Jardim Universitário, Maringá CEP 87020-900, PR, Brazil;
| | - Luana do A. Brasileiro
- Nacional Cancer Institute (INCA), Rua Visconde de Santa Isabel, 274, Rio de Janeiro CEP 20560-121, RJ, Brazil;
| | | | - William R. de Freitas
- Research Group on Biodiversity and Health (BIOSA), Center for Training in Health Sciences, Federal University of Southern Bahia, Praça Joana Angélica, 58, São José, Teixeira de Freitas CEP 45988-058, BA, Brazil;
| | - Katyuscya V. Leão
- Pharmacy Department, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (K.V.L.); (J.G.d.S.); (R.C.K.); (M.H.F.K.)
| | - Jonatas G. da Silva
- Pharmacy Department, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (K.V.L.); (J.G.d.S.); (R.C.K.); (M.H.F.K.)
| | - Raphael C. Klein
- Pharmacy Department, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (K.V.L.); (J.G.d.S.); (R.C.K.); (M.H.F.K.)
| | - Mary H. F. Klein
- Pharmacy Department, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, Barreiras CEP 47810-059, BA, Brazil; (K.V.L.); (J.G.d.S.); (R.C.K.); (M.H.F.K.)
| | - Bruno H. da S. Ramos
- Institute of the Spine and Pain Clinic, Rua Dr. Renato Gonçalves, 108, Renato Gonçalves, Barreiras CEP 47806-021, BA, Brazil;
| | - Cristiane K. C. Fernandes
- University Center of Montes Belos, Av. Hermógenes Coelho s/n, Setor Universitário, São Luís de Montes Belos CEP 76100-000, GO, Brazil;
| | - Dayane G. de L. Ribas
- Gaus College and Course, Rua Severino Vieira, 60, Centro, Barreiras CEP 47800-160, BA, Brazil;
| | - Silvia A. Oesterreich
- Faculty of Health Sciences, Federal University of Grande Dourados, Dourados Rodovia Dourados, Itahum Km 12, Cidade Universitaria, Caixa postal 364, Dourados CEP 79804-970, MS, Brazil;
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Vahid-Ansari F, Albert PR. Rewiring of the Serotonin System in Major Depression. Front Psychiatry 2021; 12:802581. [PMID: 34975594 PMCID: PMC8716791 DOI: 10.3389/fpsyt.2021.802581] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 11/17/2021] [Indexed: 12/14/2022] Open
Abstract
Serotonin is a key neurotransmitter that is implicated in a wide variety of behavioral and cognitive phenotypes. Originating in the raphe nuclei, 5-HT neurons project widely to innervate many brain regions implicated in the functions. During the development of the brain, as serotonin axons project and innervate brain regions, there is evidence that 5-HT plays key roles in wiring the developing brain, both by modulating 5-HT innervation and by influencing synaptic organization within corticolimbic structures. These actions are mediated by 14 different 5-HT receptors, with region- and cell-specific patterns of expression. More recently, the role of the 5-HT system in synaptic re-organization during adulthood has been suggested. The 5-HT neurons have the unusual capacity to regrow and reinnervate brain regions following insults such as brain injury, chronic stress, or altered development that result in disconnection of the 5-HT system and often cause depression, anxiety, and cognitive impairment. Chronic treatment with antidepressants that amplify 5-HT action, such as selective serotonin reuptake inhibitors (SSRIs), appears to accelerate the rewiring of the 5-HT system by mechanisms that may be critical to the behavioral and cognitive improvements induced in these models. In this review, we survey the possible 5-HT receptor mechanisms that could mediate 5-HT rewiring and assess the evidence that 5-HT-mediated brain rewiring is impacting recovery from mental illness. By amplifying 5-HT-induced rewiring processes using SSRIs and selective 5-HT agonists, more rapid and effective treatments for injury-induced mental illness or cognitive impairment may be achieved.
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Affiliation(s)
- Faranak Vahid-Ansari
- Ottawa Hospital Research Institute (Neuroscience), University of Ottawa Brain and Mind Research Institute, Ottawa, ON, Canada
| | - Paul R Albert
- Ottawa Hospital Research Institute (Neuroscience), University of Ottawa Brain and Mind Research Institute, Ottawa, ON, Canada
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An Y, Guan X, Ni Y, Zhao Y, Chen Z, Chen Y, Zhang J. Reversible olfactory dysfunction impaired learning and memory with impaired hippocampal synaptic plasticity and increased corticosterone release in mice. Neurochem Int 2020; 138:104774. [DOI: 10.1016/j.neuint.2020.104774] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/18/2020] [Accepted: 05/22/2020] [Indexed: 10/24/2022]
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Wang F, Wu X, Gao J, Li Y, Zhu Y, Fang Y. The relationship of olfactory function and clinical traits in major depressive disorder. Behav Brain Res 2020; 386:112594. [PMID: 32194189 DOI: 10.1016/j.bbr.2020.112594] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 02/12/2020] [Accepted: 03/10/2020] [Indexed: 10/24/2022]
Abstract
People who have developed a good sense of smell could experience much more happiness and pleasure, which would trigger a discussion that olfactory disorder might correlate with the pathogenesis of major depressive disorder (MDD). Similar experiments conducted on rats have confirmed that nerve damage of olfactory pathway can induce a series of depression-like changes, including behavior, neurobiochemistry, and neuroimmunity. These changes will recover progressively with anti-depression treatment. While in similar studies on human beings, olfactory dysfunction has been found in people suffering from depression. This review briefly discusses the correlation between olfactory deficits and clinical traits of depression in different dimensions, such as the severity, duration and cognitive impairment of depression. Improving olfactory function may be expected to be a potential antidepressant therapy.
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Affiliation(s)
- Fang Wang
- Shanghai Yangpu Mental Health Center, Shanghai, 200093, China; Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China
| | - Xiaohui Wu
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China
| | - Jerry Gao
- Yennora Public School, NSW, 2161, Australia
| | - Yongchao Li
- Shanghai Yangpu Mental Health Center, Shanghai, 200093, China
| | - Yuncheng Zhu
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China.
| | - Yiru Fang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China; CAS Center for Excellence in Brain Science and Intelligence Technology, 200031, China; Shanghai Key Laboratory of Psychotic disorders, Shanghai, 201108, China.
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Rapid Anxiolytic Effects of RS67333, a Serotonin Type 4 Receptor Agonist, and Diazepam, a Benzodiazepine, Are Mediated by Projections From the Prefrontal Cortex to the Dorsal Raphe Nucleus. Biol Psychiatry 2020; 87:514-525. [PMID: 31623825 DOI: 10.1016/j.biopsych.2019.08.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 08/02/2019] [Accepted: 08/08/2019] [Indexed: 11/20/2022]
Abstract
BACKGROUND Activation of serotonin (5-HT) type 4 receptors (5-HT4Rs) has been shown to have anxiolytic effects in a variety of animal models. Characterizing the circuits responsible for these effects should offer insights into new approaches to treat anxiety. METHODS We evaluated whether acute 5-HT4R activation in glutamatergic axon terminals arising from the medial prefrontal cortex (mPFC) to the dorsal raphe nucleus (DRN) induced fast anxiolytic effects. Anxiolytic effects of an acute systemic administration (1.5 mg/kg, intraperitoneally) or intra-mPFC infusion with the 5-HT4R agonist, RS67333 (0.5 μg/side), were examined in mice. To provide evidence that anxiolytic effects of RS67333 recruited an mPFC-DRN neural circuit, in vivo recordings of firing rate of DRN 5-HT neurons, cerebral 5-HT depletion, and optogenetic activation and silencing were performed. RESULTS Acute systemic administration and intra-mPFC infusion of RS67333 produced fast anxiolytic effects and increased DRN 5-HT cell firing. Serotonin depletion prevented anxiolytic effects induced by mPFC infusion of RS67333. Surprisingly the anxiolytic effects of mPFC infusion diazepam (1.5 μg/side) were also blocked by 5-HT depletion. Optogenetically activating mPFC terminals targeting the DRN reduced anxiety, whereas silencing this circuit blocked RS67333 and diazepam mPFC infusion-induced anxiolytic effects. Finally, anxiolytic effects induced by an acute systemic RS67333 or diazepam administration were partially blocked after optogenetically inhibiting cortical glutamatergic terminals in the DRN. CONCLUSIONS Our findings suggest that activating 5-HT4R acutely in the mPFC or targeting mPFC pyramidal cell terminals in the DRN might constitute a strategy to produce a fast anxiolytic response.
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Prophylactic efficacy of 5-HT 4R agonists against stress. Neuropsychopharmacology 2020; 45:542-552. [PMID: 31600767 PMCID: PMC6969048 DOI: 10.1038/s41386-019-0540-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 09/10/2019] [Accepted: 10/02/2019] [Indexed: 12/15/2022]
Abstract
Enhancing stress resilience could protect against stress-induced psychiatric disorders in at-risk populations. We and others have previously reported that (R,S)-ketamine acts as a prophylactic against stress when administered 1 week before stress. While we have shown that the selective 5-hydroxytryptamine (5-HT) (serotonin) reuptake inhibitor (SSRI) fluoxetine (Flx) is ineffective as a prophylactic, we hypothesized that other serotonergic compounds such as serotonin 4 receptor (5-HT4R) agonists could act as prophylactics. We tested if three 5-HT4R agonists with varying affinity could protect against stress in two mouse strains by utilizing chronic corticosterone (CORT) administration or contextual fear conditioning (CFC). Mice were administered saline, (R,S)-ketamine, Flx, RS-67,333, prucalopride, or PF-04995274 at varying doses, and then 1 week later were subjected to chronic CORT or CFC. In C57BL/6N mice, chronic Flx administration attenuated CORT-induced weight changes and increased open-arm entries in the elevated plus maze (EPM). Chronic RS-67,333 administration attenuated CORT-mediated weight changes and protected against depressive- and anxiety-like behavior. In 129S6/SvEv mice, RS-67,333 attenuated learned fear in male, but not female mice. RS-67,333 was ineffective against stress-induced depressive-like behavior in the forced swim test (FST), but prevented anxiety-like behavior in both sexes. Prucalopride and PF-04995274 attenuated learned fear and decreased stress-induced depressive-like behavior. Electrophysiological recordings following (R,S)-ketamine or prucalopride administration revealed that both drugs alter AMPA receptor-mediated synaptic transmission in CA3. These data show that in addition to (R,S)-ketamine, 5-HT4R agonists are also effective prophylactics against stress, suggesting that the 5-HT4R may be a novel target for prophylactic drug development.
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Agrawal L, Korkutata M, Vimal SK, Yadav MK, Bhattacharyya S, Shiga T. Therapeutic potential of serotonin 4 receptor for chronic depression and its associated comorbidity in the gut. Neuropharmacology 2020; 166:107969. [PMID: 31982703 DOI: 10.1016/j.neuropharm.2020.107969] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 01/14/2020] [Accepted: 01/16/2020] [Indexed: 12/19/2022]
Abstract
The latest estimates from world health organization suggest that more than 450 million people are suffering from depression and other psychiatric conditions. Of these, 50-60% have been reported to have progression of gut diseases. In the last two decades, researchers introduced incipient physiological roles for serotonin (5-HT) receptors (5-HTRs), suggesting their importance as a potential pharmacological target in various psychiatric and gut diseases. A growing body of evidence suggests that 5-HT systems affect the brain-gut axis in depressive patients, which leads to gut comorbidity. Recently, preclinical trials of 5-HT4R agonists and antagonists were promising as antipsychotic and prokinetic agents. In the current review, we address the possible pharmacological role and contribution of 5-HT4R in the pathophysiology of chronic depression and associated gut abnormalities. Physiologically, during depression episodes, centers of the sympathetic and parasympathetic nervous system couple together with neuroendocrine systems to alter the function of hypothalamic-pituitary-adrenal (HPA) axis and enteric nervous system (ENS), which in turn leads to onset of gastrointestinal tract (GIT) disorders. Consecutively, the ENS governs a broad spectrum of physiological activities of gut, such as visceral pain and motility. During the stages of emotional stress, hyperactivity of the HPA axis alters the ENS response to physiological and noxious stimuli. Consecutively, stress-induced flare, swelling, hyperalgesia and altered reflexes in gut eventually lead to GIT disorders. In summary, the current review provides prospective information about the role and mechanism of 5-HT4R-based therapeutics for the treatment of depressive disorder and possible consequences for the gut via brain-gut axis interactions. This article is part of the special issue entitled 'Serotonin Research: Crossing Scales and Boundaries'.
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Affiliation(s)
- Lokesh Agrawal
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1, 305-8577, Tennodai, Tsukuba, Ibaraki, Japan.
| | - Mustafa Korkutata
- Department of Neurology, Division of Sleep Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Sunil Kumar Vimal
- Department of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China
| | - Manoj Kumar Yadav
- School of Integrative and Global Majors, University of Tsukuba, 1-1-1, 305-8577, Tennodai, Tsukuba, Ibaraki, Japan; Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Sanjib Bhattacharyya
- Department of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China
| | - Takashi Shiga
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1, 305-8577, Tennodai, Tsukuba, Ibaraki, Japan; Department of Neurobiology, Faculty of Medicine, University of Tsukuba,1-1-1, Tennodai, Tsukuba, 305-8577, Ibaraki, Japan.
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30
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Latorre E, Mesonero JE, Harries LW. Alternative splicing in serotonergic system: Implications in neuropsychiatric disorders. J Psychopharmacol 2019; 33:1352-1363. [PMID: 31210090 DOI: 10.1177/0269881119856546] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND The serotonergic system is a key component of physiological brain function and is essential for proper neurological activity. Numerous neuropsychiatric disorders are associated with deregulation of the serotonergic system. Accordingly, many pharmacological treatments are focused on modulation of this system. While providing a promising line of therapeutic moderation, these approaches may be complicated due to the presence of alternative splicing events for key genes in this pathway. Alternative splicing is a co-transcriptional process by which different mRNA transcripts can be produced from the same gene. These different isoforms may have diverse activities and functions, and their relative balance is often critical for the maintenance of homeostasis. Alternative splicing greatly increases the production of proteins, augmenting cell plasticity, and provides an important control point for regulation of gene expression. AIM The objective of this narrative review is to discuss the potential impact of alternative splicing of different components of the serotonergic system and speculate on their involvement in several neuropsychiatric disorders. CONCLUSIONS The specific role of each isoform in disease and their relative activities in the signalling pathways involved are yet to be determined. We need to gain a better understanding of the basis of alternative isoforms of the serotonergic system in order to fully understand their impact and be able to develop new effective pharmacological isoform-specific targets.
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Affiliation(s)
- Eva Latorre
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, UK
- Instituto Agroalimentario de Aragón - IA2 (Universidad de Zaragoza - CITA), Zaragoza, Spain
| | - Jose Emilio Mesonero
- Instituto Agroalimentario de Aragón - IA2 (Universidad de Zaragoza - CITA), Zaragoza, Spain
- Departamento Farmacología y Fisiología, Facultad de Veterinaria, Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Universidad de Zaragoza, Zaragoza, Spain
| | - Lorna W Harries
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, UK
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31
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Guo J, Ding H, Lv Z, Jiao J, Wang H, Ji Y. Down-regulation effects of IFN-α on p11, 5-htr1b and 5-HTR4 protein levels were affected by NH4CL or MG132 treatment in SH-sy5y cells. J Biosci 2019. [DOI: 10.1007/s12038-019-9906-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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32
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Agrawal L, Vimal SK, Shiga T. Role of serotonin 4 receptor in the growth of hippocampal neurons during the embryonic development in mice. Neuropharmacology 2019; 158:107712. [PMID: 31325432 DOI: 10.1016/j.neuropharm.2019.107712] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/12/2019] [Accepted: 07/14/2019] [Indexed: 12/18/2022]
Abstract
Serotonin (5-HT) homeostasis is critical for the brain development which influences neurogenesis, neuronal migration, and circuit formation. Distinctive distribution patterns of serotonin receptors (5-HTRs) in the brain govern various physiological activities. Amongst the 5-HTRs, serotonin 4 receptor (5-HT4R) is widely expressed in embryonic forebrain and affects neuronal development, synaptogenesis, and behavior, but its specific role in brain development is still not completely understood. Therefore, in the present study, we addressed the roles of 5-HT4R in the growth of hippocampal neurons during the development of mice brain. We cultured hippocampal neurons of the mouse at embryonic day 18 and then treatment of 5-HT4R agonist RS67333 was employed. We found RS67333 significantly increased the axonal length, diameter and branching along with total dendritic length, number of primary dendrites and their branching. In addition, these effects were neutralized by the concomitant treatment of 5-HT4R antagonist GR125487, which confirmed the specific role of the 5-HT4R in the growth of axon and dendrites. Further, the treatment of RS67333 upregulated the mRNA expression of collapsin response mediator protein-2 (CRMP2) and non-phosphorylated CRMP2 (npCRMP2) together with neurotrophic factors (BDNF, NT-3, NGF) and TRK-A. Additionally, the current research findings reveal that the knockdown of CRMP2 inhibited RS67333-induced growth of the axons and dendrites, which indicates that CRMP2 is required for the 5-HT4R-mediated growth of the axons and dendrites. Overall, the findings of the present in vitro study enrich the understanding and provide insight roles of 5-HT4R in embryonic brain development by promoting the growth of hippocampal neurons.
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Affiliation(s)
- Lokesh Agrawal
- Graduate School of Comprehensive Human Sciences, Kansei, Behavioral and Brain Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8577, Japan
| | - Sunil Kumar Vimal
- Department of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China
| | - Takashi Shiga
- Graduate School of Comprehensive Human Sciences, Kansei, Behavioral and Brain Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8577, Japan; Department of Neurobiology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8577, Japan.
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33
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López-Gil X, Jiménez-Sánchez L, Campa L, Castro E, Frago C, Adell A. Role of Serotonin and Noradrenaline in the Rapid Antidepressant Action of Ketamine. ACS Chem Neurosci 2019; 10:3318-3326. [PMID: 31244055 DOI: 10.1021/acschemneuro.9b00288] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Depression is a chronic and debilitating illness that interferes severely with many human behaviors, and is the leading cause of disability in the world. There is data suggesting that deficits in serotonin neurotransmission can contribute to the development of depression. Indeed, >90% of prescribed antidepressant drugs act by increasing serotonergic transmission at the synapse. However, this increase is offset by a negative feedback operating at the level of the cell body of the serotonin neurons in the raphe nuclei. In the present work, we demonstrate: first, the intracortical infusion of ketamine induced an antidepressant-like effect in the forced swim test, comparable to that produced by systemic ketamine; second, systemic and intracortical ketamine increased serotonin and noradrenaline efflux in the prefrontal cortex, but not in the dorsal raphe nucleus; third, systemic and intracortical administration of ketamine increased the efflux of glutamate in the prefrontal cortex and dorsal raphe nucleus; fourth, systemic ketamine did not alter the functionality of 5-HT1A receptors in the dorsal raphe nucleus. Taken together, these findings suggest that the antidepressant-like effects of ketamine are caused by the stimulation of the prefrontal projection to the dorsal raphe nucleus and locus coeruleus caused by an elevated glutamate in the medial prefrontal cortex, which would stimulate release of serotonin and noradrenaline in the same area. The impact of both monoamines in the antidepressant response to ketamine seems to have different time frames.
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Affiliation(s)
- Xavier López-Gil
- Experimental 7T MRI Unit, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona 08036, Spain
| | - Laura Jiménez-Sánchez
- Department of Neurochemistry and Neuropharmacology, Instituto de Investigaciones Biomédicas de Barcelona, CSIC, IDIBAPS, Barcelona 08036, Spain
| | - Leticia Campa
- Department of Neurochemistry and Neuropharmacology, Instituto de Investigaciones Biomédicas de Barcelona, CSIC, IDIBAPS, Barcelona 08036, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid 28029, Spain
| | - Elena Castro
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid 28029, Spain
- Departamento de Fisiología y Farmacología, Facultad de Medicina, Universidad de Cantabria, Santander 39011, Spain
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (CSIC, Universidad de Cantabria), Santander 39011, Spain
| | - Clara Frago
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (CSIC, Universidad de Cantabria), Santander 39011, Spain
| | - Albert Adell
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid 28029, Spain
- Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (CSIC, Universidad de Cantabria), Santander 39011, Spain
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34
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S 47445 counteracts the behavioral manifestations and hippocampal neuroplasticity changes in bulbectomized mice. Prog Neuropsychopharmacol Biol Psychiatry 2019; 93:205-213. [PMID: 30980840 DOI: 10.1016/j.pnpbp.2019.04.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 03/14/2019] [Accepted: 04/08/2019] [Indexed: 12/31/2022]
Abstract
S 47445 is a positive allosteric modulator of glutamate AMPA-type receptors that possesses procognitive, neurotrophic and enhancing synaptic plasticity properties. Its chronic administration promotes antidepressant- and anxiolytic-like effects in different rodent models of depression. We have evaluated the behavioral effects of S 47445 in the bilateral olfactory bulbectomy mice model (OB) and the adaptive changes in those proteins associated to brain neuroplasticity (BDNF and mTOR pathway). Following OB surgery, adult C57BL/6J male mice were chronically administered S 47445 (1, 3 and 10 mg/kg/day; i.p.) and fluoxetine (18 mg/kg/day; i.p.), and then behaviorally tested in the open field test. Afterwards, the expression levels of BDNF, mTOR, phospho-mTOR, 4EBP1 and phospho-4EBP1 were evaluated in hippocampus and prefrontal cortex. Both drugs reduced the OB-induced locomotor activity, a predictive outcome of antidepressant efficacy, with a similar temporal pattern of action. S 47445, but not fluoxetine, showed an anxiolytic effect as reflected by an increased central activity. Chronic administration of S 47445 reversed OB-induced changes in BDNF and phopho-mTOR expression in hippocampus but not in prefrontal cortex. The chronic administration of S 47445 induced antidepressant- and anxiolytic-like effects at low-medium doses (1 and 3 mg/kg/day, i.p.) associated with the reversal of OB-induced changes in hippocampal BDNF and mTOR signaling pathways.
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35
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Yu H, Zhang F, Guan X. Baicalin reverse depressive-like behaviors through regulation SIRT1-NF-kB signaling pathway in olfactory bulbectomized rats. Phytother Res 2019; 33:1480-1489. [PMID: 30848526 DOI: 10.1002/ptr.6340] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 02/02/2019] [Accepted: 02/15/2019] [Indexed: 11/08/2022]
Abstract
Depression is a common and detrimental illness that affects up to 120 million people worldwide. The present study was designed to evaluate the antidepressant-like effects and mechanisms of baicalin on olfactory bulbectomized model of depression. Baicalin treatment (20 and 40 mg/kg) significantly reversed the abnormal levels of sucrose consumption, open field test, and forced swimming test. Treatments with baicalin reversed the olfactory bulbectomized-induced alterations of serum corticosterone levels to a great extent. Our results further demonstrated that baicalin administration negatively regulated the expression of interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF-α) in the hippocampus and hypothalamus. Furthermore, baicalin regulated Sirtuin 1 (SIRT1) and decreased the levels of p65 acetylation (ac-p65) in the hippocampus and hypothalamus. Moreover, in lipopolysaccharides-induced BV-2 cells, the levels of inflammatory factors (IL-1β), p65 acetylation at lysine 310, and SIRT1 expression were different in the group treated with both baicalin and nicotinamide compared with the group treated with baicalin, which suggests that baicalin regulates SIRT1 and thereby inhibits p65 acetylation. In summary, administration of baicalin reduces the levels of pro-inflammatory cytokines, possibly through regulation of SIRT1-NF-kB pathway. Our findings suggest a support into the potential of baicalin in therapeutic effect for depression.
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Affiliation(s)
- Haiyang Yu
- School of Pharmaceutical Sciences, Taishan Medical University, Taian, China.,Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, New York
| | - Fangfang Zhang
- School of Pharmaceutical Sciences, Taishan Medical University, Taian, China
| | - Xidong Guan
- School of Pharmaceutical Sciences, Taishan Medical University, Taian, China
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36
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Żmudzka E, Sałaciak K, Sapa J, Pytka K. Serotonin receptors in depression and anxiety: Insights from animal studies. Life Sci 2018; 210:106-124. [PMID: 30144453 DOI: 10.1016/j.lfs.2018.08.050] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 08/13/2018] [Accepted: 08/20/2018] [Indexed: 12/19/2022]
Abstract
Serotonin regulates many physiological processes including sleep, appetite, and mood. Thus, serotonergic system is an important target in the treatment of psychiatric disorders, such as major depression and anxiety. This natural neurotransmitter interacts with 7 families of its receptors (5-HT1-7), which cause a variety of pharmacological effects. Using genetically modified animals and selective or preferential agonists and antagonist, numerous studies demonstrated the involvement of almost all serotonin receptor subtypes in antidepressant- or anxiolytic-like effects. In this review, based on animal studies, we discuss the possible involvement of serotonin receptor subtypes in depression and anxiety.
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Affiliation(s)
- Elżbieta Żmudzka
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Kinga Sałaciak
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Jacek Sapa
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Karolina Pytka
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland.
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37
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Medium- and high-intensity rTMS reduces psychomotor agitation with distinct neurobiologic mechanisms. Transl Psychiatry 2018; 8:126. [PMID: 29976924 PMCID: PMC6033856 DOI: 10.1038/s41398-018-0129-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 12/20/2017] [Accepted: 02/18/2018] [Indexed: 12/21/2022] Open
Abstract
Definitive data are lacking on the mechanism of action and biomarkers of repetitive transcranial magnetic stimulation (rTMS) for the treatment of depression. Low-intensity rTMS (LI-rTMS) has demonstrated utility in preclinical models of rTMS treatments but the effects of LI-rTMS in murine models of depression are unknown. We examined the behavioral and neurobiologic changes in olfactory bulbectomy (OB) mice with medium-intensity rTMS (MI-rTMS) treatment and fluoxetine hydrochloride. We then compared 10-Hz rTMS sessions for 3 min at intensities (measured at the cortical surface) of 4 mT (LI-rTMS), 50 mT (medium-intensity rTMS [MI-rTMS]), or 1 T (high-intensity rTMS [HI-rTMS]) 5 days per week over 4 weeks in an OB model of agitated depression. Behavioral effects were assessed with forced swim test; neurobiologic effects were assessed with brain levels of 5-hydroxytryptamine, brain-derived neurotrophic factor (BDNF), and neurogenesis. Peripheral metabolomic changes induced by OB and rTMS were monitored through enzyme-linked immunosorbent assay and ultrapressure liquid chromatography-driven targeted metabolomics evaluated with ingenuity pathway analysis (IPA). MI-rTMS and HI-rTMS attenuated psychomotor agitation but only MI-rTMS increased BDNF and neurogenesis levels. HI-rTMS normalized the plasma concentration of α-amino-n-butyric acid and 3-methylhistidine. IPA revealed significant changes in glutamine processing and glutamate signaling in the OB model and following MI-rTMS and HI-rTMS treatment. The present findings suggest that MI-rTMS and HI-rTMS induce differential neurobiologic changes in a mouse model of agitated depression. Further, α-amino-n-butyric acid and 3-methylhistidine may have utility as biomarkers to objectively monitor the response to rTMS treatment of depression.
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38
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Huang Z, Hoffman CA, Chelette BM, Thiebaud N, Fadool DA. Elevated Anxiety and Impaired Attention in Super-Smeller, Kv1.3 Knockout Mice. Front Behav Neurosci 2018; 12:49. [PMID: 29615878 PMCID: PMC5867313 DOI: 10.3389/fnbeh.2018.00049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 02/28/2018] [Indexed: 12/27/2022] Open
Abstract
It has long been recognized that olfaction and emotion are linked. While chemosensory research using both human and rodent models have indicated a change in emotion can contribute to olfactory dysfunction, there are few studies addressing the contribution of olfaction to a modulation in emotion. In mice, olfactory deficits have been linked with heightened anxiety levels, suggesting that there could be an inverse relationship between olfaction and anxiety. Furthermore, increased anxiety is often co-morbid with psychiatric conditions such as attention disorders. Our study aimed to investigate the roles of olfaction in modulating anxiety. Voltage-gated potassium ion channel Kv1.3 knockout mice (Kv1.3−/−), which have heightened olfaction, and wild-type (WT) mice were examined for anxiety-like behaviors using marble burying (MB), light-dark box (LDB) and elevated-plus maze (EPM) tests. Because Kv1.3−/− mice have increased locomotor activity, inattentive and hyperactive behaviors were quantified for both genotypes. Kv1.3−/− mice showed increased anxiety levels compared to their WT counterparts and administration of methylphenidate (MPH) via oral gavage alleviated their increased anxiety. Object-based attention testing indicated young and older Kv1.3−/− mice had attention deficits and treatment with MPH also ameliorated this condition. Locomotor testing through use of a metabolic chamber indicated that Kv1.3−/− mice were not significantly hyperactive and MPH treatment failed to modify this activity. Our data suggest that heightened olfaction does not necessarily lead to decreased anxiety levels, and that Kv1.3−/− mice may have behaviors associated with inattentiveness.
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Affiliation(s)
- Zhenbo Huang
- Department of Biological Science, Florida State University, Tallahassee, FL, United States.,Program in Neuroscience, Florida State University, Tallahassee, FL, United States
| | - Carlie A Hoffman
- Department of Biological Science, Florida State University, Tallahassee, FL, United States
| | - Brandon M Chelette
- Department of Biological Science, Florida State University, Tallahassee, FL, United States.,Program in Neuroscience, Florida State University, Tallahassee, FL, United States
| | - Nicolas Thiebaud
- Department of Biological Science, Florida State University, Tallahassee, FL, United States.,Program in Neuroscience, Florida State University, Tallahassee, FL, United States
| | - Debra A Fadool
- Department of Biological Science, Florida State University, Tallahassee, FL, United States.,Program in Neuroscience, Florida State University, Tallahassee, FL, United States.,Institute of Molecular Biophysics, Florida State University, Tallahassee, FL, United States
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39
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Stepan J, Anderzhanova E, Gassen NC. Hippo Signaling: Emerging Pathway in Stress-Related Psychiatric Disorders? Front Psychiatry 2018; 9:715. [PMID: 30627107 PMCID: PMC6309125 DOI: 10.3389/fpsyt.2018.00715] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 12/06/2018] [Indexed: 12/20/2022] Open
Abstract
Discovery of the Hippo pathway and its core components has made a significant impact on our progress in the understanding of organ development, tissue homeostasis, and regeneration. Upon diverse extracellular and intracellular stimuli, Hippo signaling regulates stemness, cell proliferation and apoptosis by a well-conserved signaling cascade, and disruption of these systems has been implicated in cancer as well as metabolic and neurodegenerative diseases. The central role of Hippo signaling in cell biology also results in prominent links to stress-regulated pathways. Genetic variations, epigenetically provoked upregulation of Hippo pathway members and dysregulation of cellular processes implicated in learning and memory, are linked to an increased risk of stress-related psychiatric disorders (SRPDs). In this review, we summarize recent findings, supporting the role of Hippo signaling in SRPDs by canonical and non-canonical Hippo pathway interactions.
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Affiliation(s)
- Jens Stepan
- Department Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Elmira Anderzhanova
- Clinic and Polyclinic of Psychiatry and Psychotherapy, Bonn University Clinic, Bonn, Germany
| | - Nils C Gassen
- Clinic and Polyclinic of Psychiatry and Psychotherapy, Bonn University Clinic, Bonn, Germany
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40
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Pilar-Cuéllar F, Vidal R, Díaz Á, Garro-Martínez E, Linge R, Castro E, Haberzettl R, Fink H, Bert B, Brosda J, Romero B, Crespo-Facorro B, Pazos Á. Enhanced Stress Response in 5-HT 1AR Overexpressing Mice: Altered HPA Function and Hippocampal Long-Term Potentiation. ACS Chem Neurosci 2017; 8:2393-2401. [PMID: 28777913 DOI: 10.1021/acschemneuro.7b00156] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Postsynaptic 5-HT1A receptors (5-HT1AR) play an important role in anxiety and stress, although their contribution is still controversial. Previous studies report that mice overexpressing postsynaptic 5-HT1ARs show no changes in basal anxiety, though the influence of stress conditions has not been addressed yet. In this study, we used this animal model to evaluate the role of 5-HT1ARs in anxiety response after pre-exposure to an acute stressor. Under basal conditions, 5-HT1AR overexpressing animals presented high corticosterone levels and a lower mineralocorticoid/glucocorticoid receptor ratio. After pre-exposure to a single stressor, they showed a high anxiety-like response, associated with a blunted increase in corticosterone levels and higher c-Fos activation in the prefrontal cortex. Moreover, these mice also presented a lack of downregulation of hippocampal long-term potentiation after stress exposure. Therefore, higher postsynaptic 5-HT1AR activation might predispose to a high anxious phenotype and an impaired stress coping behavior.
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Affiliation(s)
- Fuencisla Pilar-Cuéllar
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Santander, Spain
- Instituto
de Biomedicina y Biotecnologı́a de Cantabria (IBBTEC), Universidad de Cantabria-CSIC-SODERCAN, 39011 Santander, Spain
- Departamento
de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
| | - Rebeca Vidal
- Departamento
de Farmacología, Facultad de Medicina, Universidad Complutense, 28040 Madrid, Spain
- Instituto de Investigación Sanitaria Hospital 12 de Octubre, 28041 Madrid, Spain
- Red de Trastornos Adictivos del Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Álvaro Díaz
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Santander, Spain
- Instituto
de Biomedicina y Biotecnologı́a de Cantabria (IBBTEC), Universidad de Cantabria-CSIC-SODERCAN, 39011 Santander, Spain
- Departamento
de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
| | - Emilio Garro-Martínez
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Santander, Spain
- Instituto
de Biomedicina y Biotecnologı́a de Cantabria (IBBTEC), Universidad de Cantabria-CSIC-SODERCAN, 39011 Santander, Spain
- Departamento
de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
| | - Raquel Linge
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Santander, Spain
- Instituto
de Biomedicina y Biotecnologı́a de Cantabria (IBBTEC), Universidad de Cantabria-CSIC-SODERCAN, 39011 Santander, Spain
- Departamento
de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
| | - Elena Castro
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Santander, Spain
- Instituto
de Biomedicina y Biotecnologı́a de Cantabria (IBBTEC), Universidad de Cantabria-CSIC-SODERCAN, 39011 Santander, Spain
- Departamento
de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
| | - Robert Haberzettl
- Institut
für Pharmakologie und Toxikologie, Fachbereich Veterinärmedizin, Freie Universität Berlin, 14195 Berlin, Germany
| | - Heidrun Fink
- Institut
für Pharmakologie und Toxikologie, Fachbereich Veterinärmedizin, Freie Universität Berlin, 14195 Berlin, Germany
| | - Bettina Bert
- Institut
für Pharmakologie und Toxikologie, Fachbereich Veterinärmedizin, Freie Universität Berlin, 14195 Berlin, Germany
| | - Jan Brosda
- Institut
für Pharmakologie und Toxikologie, Fachbereich Veterinärmedizin, Freie Universität Berlin, 14195 Berlin, Germany
| | - Beatriz Romero
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Santander, Spain
- Instituto
de Biomedicina y Biotecnologı́a de Cantabria (IBBTEC), Universidad de Cantabria-CSIC-SODERCAN, 39011 Santander, Spain
- Departamento
de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
| | - Benedicto Crespo-Facorro
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Santander, Spain
- Hospital Universitario Marqués de Valdecilla, University of Cantabria-IDIVAL, School of Medicine, Department of Psychiatry, 39008 Santander, Spain
| | - Ángel Pazos
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Santander, Spain
- Instituto
de Biomedicina y Biotecnologı́a de Cantabria (IBBTEC), Universidad de Cantabria-CSIC-SODERCAN, 39011 Santander, Spain
- Departamento
de Fisiología y Farmacología, Universidad de Cantabria, 39011 Santander, Spain
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Jean A, Laurent L, Delaunay S, Doly S, Dusticier N, Linden D, Neve R, Maroteaux L, Nieoullon A, Compan V. Adaptive Control of Dorsal Raphe by 5-HT4 in the Prefrontal Cortex Prevents Persistent Hypophagia following Stress. Cell Rep 2017; 21:901-909. [DOI: 10.1016/j.celrep.2017.10.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 07/13/2017] [Accepted: 09/30/2017] [Indexed: 12/18/2022] Open
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42
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Segi-Nishida E. The Effect of Serotonin-Targeting Antidepressants on Neurogenesis and Neuronal Maturation of the Hippocampus Mediated via 5-HT1A and 5-HT4 Receptors. Front Cell Neurosci 2017; 11:142. [PMID: 28559799 PMCID: PMC5432636 DOI: 10.3389/fncel.2017.00142] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 04/28/2017] [Indexed: 11/13/2022] Open
Abstract
Antidepressant drugs such as selective serotonin reuptake inhibitors (SSRIs) specifically increase serotonin (5-HT) levels in the synaptic cleft and are widely used to treat mood and anxiety disorders. There are 14 established subtypes of 5-HT receptors in rodents, each of which has regionally different expression patterns. Many preclinical studies have suggested that the hippocampus, which contains abundant 5-HT1A and 5-HT4 receptor subtypes in the dentate gyrus (DG), is critically involved in the mechanisms of action of antidepressants. This review article will analyze studies demonstrating regulation of hippocampal functions and hippocampus-dependent behaviors by SSRIs and similar serotonergic agents. Multiple studies indicate that 5-HT1A and 5-HT4 receptor signaling in the DG contributes to SSRI-mediated promotion of neurogenesis and increased neurotrophic factors expression. Chronic SSRI treatment causes functions and phenotypes of mature granule cells (GCs) to revert to immature-like phenotypes defined as a "dematured" state in the DG, and to increase monoamine reactivity at the dentate-to-CA3 synapses, via 5-HT4 receptor signaling. Behavioral studies demonstrate that the 5-HT1A receptors on mature GCs are critical for expression of antidepressant effects in the forced swim test and in novelty suppressed feeding; such studies also note that 5-HT4 receptors mediate neurogenesis-dependent antidepressant activity in, for example, novelty-suppressed feeding. Despite their limitations, the collective results of these studies describe a potential new mechanism of action, in which 5-HT1A and 5-HT4 receptor signaling, either independently or cooperatively, modulates the function of the hippocampal DG at multiple levels, any of which could play a critical role in the antidepressant actions of 5-HT-enhancing drugs.
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Affiliation(s)
- Eri Segi-Nishida
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of ScienceTokyo, Japan
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43
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Chen A, Hubbert KD, Foroudi PF, Lu VF, Janušonis S. Serotonin 5-HT 4 receptors modulate the development of glutamatergic input to the dorsal raphe nucleus. Neurosci Lett 2017; 640:111-116. [PMID: 28108396 DOI: 10.1016/j.neulet.2017.01.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 12/19/2016] [Accepted: 01/11/2017] [Indexed: 11/20/2022]
Abstract
The dorsal raphe nucleus (DRN) is a major serotonin (5-hydroxytryptamine, 5-HT)-producing region in the central nervous system. It receives glutamatergic inputs from several brain regions, which are reciprocally modulated by serotonergic signals. We investigated whether serotonin 5-HT4 receptors (5-HT4Rs) play a role in the development of glutamatergic control of the DRN, with an emphasis on cortical inputs. Double-label immunohistochemistry and confocal microscopy were used to quantify vesicular glutamate transporter 1 (vGluT1)-immunoreactive terminals in the DRN of mice with a null-mutation in the 5-HT4R gene. We found no significant change in the overall density of vGluT1-positive terminals in homozygous and heterozygous mice, but heterozygous mice had a significantly higher density of vGluT1-positive terminals contacting serotonergic neurons. These results suggest that altered 5-HT4R expression may affect the development of cortical glutamatergic control of the DRN.
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Affiliation(s)
- Angela Chen
- Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Katherine D Hubbert
- Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Pasha F Foroudi
- Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Vivian F Lu
- Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Skirmantas Janušonis
- Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA.
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