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Zoicas I, Licht C, Mühle C, Kornhuber J. Repetitive transcranial magnetic stimulation (rTMS) for depressive-like symptoms in rodent animal models. Neurosci Biobehav Rev 2024:105726. [PMID: 38762128 DOI: 10.1016/j.neubiorev.2024.105726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/30/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
Repetitive transcranial magnetic stimulation (rTMS) emerged as a non-invasive brain stimulation technique in the treatment of psychiatric disorders. Both preclinical and clinical studies as well as systematic reviews provide a heterogeneous picture, particularly concerning the stimulation protocols used in rTMS. Here, we present a review of rTMS effects in rodent models of depressive-like symptoms with the aim to identify the most relevant factors that lead to an increased therapeutic success. The influence of different factors, such as the stimulation parameters (stimulus frequency and intensity, duration of stimulation, shape and positioning of the coil), symptom severity and individual characteristics (age, species and genetic background of the rodents), on the therapeutic success are discussed. Accumulating evidence indicates that rTMS ameliorates a multitude of depressive-like symptoms in rodent models, most effectively at high stimulation frequencies (≥5Hz) especially in adult rodents with a pronounced pathological phenotype. The therapeutic success of rTMS might be increased in the future by considering these factors and using more standardized stimulation protocols.
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Affiliation(s)
- Iulia Zoicas
- Friedrich-Alexander University Erlangen-Nürnberg (FAU), Department of Psychiatry and Psychotherapy, Schwabachanlage 6, 91054 Erlangen, Germany.
| | - Christiane Licht
- Paracelsus Medical University, Department of Psychiatry and Psychotherapy, Prof.-Ernst-Nathan-Str. 1, 90419 Nürnberg, Germany
| | - Christiane Mühle
- Friedrich-Alexander University Erlangen-Nürnberg (FAU), Department of Psychiatry and Psychotherapy, Schwabachanlage 6, 91054 Erlangen, Germany
| | - Johannes Kornhuber
- Friedrich-Alexander University Erlangen-Nürnberg (FAU), Department of Psychiatry and Psychotherapy, Schwabachanlage 6, 91054 Erlangen, Germany
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Baddenhausen S, Lutz B, Hofmann C. Cannabinoid type-1 receptor signaling in dopaminergic Engrailed-1 expressing neurons modulates motivation and depressive-like behavior. Front Mol Neurosci 2024; 17:1379889. [PMID: 38660383 PMCID: PMC11042029 DOI: 10.3389/fnmol.2024.1379889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 03/21/2024] [Indexed: 04/26/2024] Open
Abstract
The endocannabinoid system comprises highly versatile signaling functions within the nervous system. It is reported to modulate the release of several neurotransmitters, consequently affecting the activity of neuronal circuits. Investigations have highlighted its roles in numerous processes, including appetite-stimulating characteristics, particularly for palatable food. Moreover, endocannabinoids are shown to fine-tune dopamine-signaled processes governing motivated behavior. Specifically, it has been demonstrated that excitatory and inhibitory inputs controlled by the cannabinoid type 1 receptor (CB1) regulate dopaminergic neurons in the mesocorticolimbic pathway. In the present study, we show that mesencephalic dopaminergic (mesDA) neurons in the ventral tegmental area (VTA) express CB1, and we investigated the consequences of specific deletion of CB1 in cells expressing the transcription factor Engrailed-1 (En1). To this end, we validated a new genetic mouse line EN1-CB1-KO, which displays a CB1 knockout in mesDA neurons beginning from their differentiation, as a tool to elucidate the functional contribution of CB1 in mesDA neurons. We revealed that EN1-CB1-KO mice display a significantly increased immobility time and shortened latency to the first immobility in the forced swim test of adult mice. Moreover, the maximal effort exerted to obtain access to chocolate-flavored pellets was significantly reduced under a progressive ratio schedule. In contrast, these mice do not differ in motor skills, anhedonia- or anxiety-like behavior compared to wild-type littermates. Taken together, these findings suggest a depressive-like or despair behavior in an inevitable situation and a lack of motivation to seek palatable food in EN1-CB1-KO mice, leading us to propose that CB1 plays an important role in the physiological functions of mesDA neurons. In particular, our data suggest that CB1 directly modifies the mesocorticolimbic pathway implicated in depressive-like/despair behavior and motivation. In contrast, the nigrostriatal pathway controlling voluntary movement seems to be unaffected.
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Affiliation(s)
- Sarah Baddenhausen
- Institute of Physiological Chemistry, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Beat Lutz
- Institute of Physiological Chemistry, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Leibniz Institute for Resilience Research (LIR), Mainz, Germany
| | - Clementine Hofmann
- Institute of Physiological Chemistry, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Focus Program Translational Neuroscience, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
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Li XY, Zhang SY, Hong YZ, Chen ZG, Long Y, Yuan DH, Zhao JJ, Tang SS, Wang H, Hong H. TGR5-mediated lateral hypothalamus-dCA3-dorsolateral septum circuit regulates depressive-like behavior in male mice. Neuron 2024:S0896-6273(24)00152-1. [PMID: 38518778 DOI: 10.1016/j.neuron.2024.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 01/30/2024] [Accepted: 02/28/2024] [Indexed: 03/24/2024]
Abstract
Although bile acids play a notable role in depression, the pathological significance of the bile acid TGR5 membrane-type receptor in this disorder remains elusive. Using depression models of chronic social defeat stress and chronic restraint stress in male mice, we found that TGR5 in the lateral hypothalamic area (LHA) predominantly decreased in GABAergic neurons, the excitability of which increased in depressive-like mice. Upregulation of TGR5 or inhibition of GABAergic excitability in LHA markedly alleviated depressive-like behavior, whereas down-regulation of TGR5 or enhancement of GABAergic excitability facilitated stress-induced depressive-like behavior. TGR5 also bidirectionally regulated excitability of LHA GABAergic neurons via extracellular regulated protein kinases-dependent Kv4.2 channels. Notably, LHA GABAergic neurons specifically innervated dorsal CA3 (dCA3) CaMKIIα neurons for mediation of depressive-like behavior. LHA GABAergic TGR5 exerted antidepressant-like effects by disinhibiting dCA3 CaMKIIα neurons projecting to the dorsolateral septum (DLS). These findings advance our understanding of TGR5 and the LHAGABA→dCA3CaMKIIα→DLSGABA circuit for the development of potential therapeutic strategies in depression.
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Affiliation(s)
- Xu-Yi Li
- College of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Shi-Ya Zhang
- College of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yi-Zhou Hong
- Research Center of Biostatistics and Computational Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Zhi-Gang Chen
- College of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yan Long
- College of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Dan-Hua Yuan
- College of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Jia-Jia Zhao
- College of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Su-Su Tang
- College of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
| | - Hao Wang
- Affiliated Mental Health Center and Hangzhou Seventh People's Hospital, Zhejiang University School of Medicine/Nanhu Brain-Computer Interface Institute, Hangzhou 310013, China.
| | - Hao Hong
- College of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Grabowska K, Grabowski M, Przybyła M, Pondel N, Barski JJ, Nowacka-Chmielewska M, Liśkiewicz D. Ketogenic diet and behavior: insights from experimental studies. Front Nutr 2024; 11:1322509. [PMID: 38389795 PMCID: PMC10881757 DOI: 10.3389/fnut.2024.1322509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 01/25/2024] [Indexed: 02/24/2024] Open
Abstract
As a journal page for full details. The ketogenic diet (KD) has been established as a treatment for epilepsy, but more recently it has been explored as an alternative or add-on therapy for many other diseases ranging from weight loss to neurological disorders. Animal models are widely used in studies investigating the therapeutic effects of the KD as well as underlying mechanisms. Especially in the context of neurological, psychiatric, and neurodevelopmental disorders essential endpoints are assessed by behavioral and motor tests. Here we summarized research evaluating the influence of the KD on cognition, depressive and anxiety-related behaviors, and social and nutritional behaviors of laboratory rodents. Each section contains a brief description of commonly used behavioral tests highlighting their limitations. Ninety original research articles, written in English, performed on mice or rats, providing measurement of blood beta-hydroxybutyrate (BHB) levels and behavioral evaluation were selected for the review. The majority of research performed in various disease models shows that the KD positively impacts cognition. Almost an equal number of studies report a reduction or no effect of the KD on depressive-related behaviors. For anxiety-related behaviors, the majority of studies show no effect. Despite the increasing use of the KD in weight loss and its appetite-reducing properties the behavioral evaluation of appetite regulation has not been addressed in preclinical studies. This review provides an overview of the behavioral effects of nutritional ketosis addressed to a broad audience of scientists interested in the KD field but not necessarily specializing in behavioral tests.
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Affiliation(s)
- Konstancja Grabowska
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, Academy of Physical Education, Katowice, Poland
- Department for Experimental Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Mateusz Grabowski
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, Academy of Physical Education, Katowice, Poland
- Department for Experimental Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Marta Przybyła
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, Academy of Physical Education, Katowice, Poland
- Department for Experimental Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Natalia Pondel
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, Academy of Physical Education, Katowice, Poland
| | - Jarosław J Barski
- Department for Experimental Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
- Department of Physiology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Marta Nowacka-Chmielewska
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, Academy of Physical Education, Katowice, Poland
| | - Daniela Liśkiewicz
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, Academy of Physical Education, Katowice, Poland
- Institute of Diabetes and Obesity, Helmholtz Center Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
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Huang H, Jiang H, Sun H. GluN2A Mediates PS-Induced Depressive-Like Behavior by Activating CaMKII and Inhibiting Myelinization. FRONT BIOSCI-LANDMRK 2023; 28:347. [PMID: 38179739 DOI: 10.31083/j.fbl2812347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 08/01/2023] [Accepted: 08/09/2023] [Indexed: 01/06/2024]
Abstract
BACKGROUND Prenatal stress (PS) can induce depression in offspring, but the underlying mechanisms are still unknown. OBJECTIVE The aim of this work was to investigate the mechanism that underlies PS-induced depressive-like behavior in offspring. METHODS A prenatal restraint stress procedure was developed in which pregnant rats at GD14 to GD20 were placed head-first into a well-ventilated bottle three times each day and for 45 min each time. Depressive-like behavior in the male offspring was examined using the sucrose preference test (SPT) and the forced swim test (FST). The level of glutamate and the expression levels of GluN2A, p-CaMKII and myelin basic protein (MBP) in the hippocampus of PS-susceptible (PS-S) offspring were also evaluated. To clarify the mechanism by which PS leads to depression in offspring, the effects of excessive corticosterone were also investigated using an in vitro "injured neuronal" model. RESULTS The glutamate level in the hippocampus of PS-S male offspring was significantly elevated compared to controls. The expression levels of GluN2A and p-CaMKII were also altered. In addition, the optical density of MBP staining and the expression levels of MBP mRNA and MBP protein were decreased, demonstrating impaired myelinization in the hippocampus. Treatment of PS-S offspring with the GluN2A receptor antagonist NVP-AAM077 resulted in antidepressant-like effects in the FST, as well as rescue of the MBP and p-CaMKII abnormalities. CONCLUSIONS These findings indicate that GluN2A is a promising target in the development of pharmacotherapies for PS-induced depression.
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Affiliation(s)
- Huimei Huang
- The Department of Blood Purification, The First Affiliated Hospital of Xi'an Jiaotong University, 710061 Xi'an, Shaanxi, China
- Department of Nephrology, Xi'an Children's Hospital (The Affiliated Children's Hospital of Xi'an Jiaotong University), 710003 Xi'an, Shaanxi, China
| | - Hongli Jiang
- The Department of Blood Purification, The First Affiliated Hospital of Xi'an Jiaotong University, 710061 Xi'an, Shaanxi, China
| | - Hongli Sun
- Shaanxi Institute for Pediatric Diseases, Xi'an Key Laboratory of Children's Health and Diseases, Xi'an Children's Hospital (The Affiliated Children's Hospital of Xi'an Jiaotong University), 710003 Xi'an, Shaanxi, China
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Kessler RR, Schiml PA, McGraw SM, Tomlin EN, Hoeferlin MJ, Deak T, Hennessy MB. Examination of the role of adrenergic receptor stimulation in the sensitization of neuroinflammatory-based depressive-like behavior in isolated Guinea pig pups. Stress 2023; 26:2239366. [PMID: 37529896 PMCID: PMC10421631 DOI: 10.1080/10253890.2023.2239366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 07/17/2023] [Indexed: 08/03/2023] Open
Abstract
Early-life attachment disruption appears to sensitize neuroinflammatory signaling to increase later vulnerability for stress-related mental disorders, including depression. How stress initiates this process is unknown, but studies with adult rats and mice suggest sympathetic nervous system activation and/or cortisol elevations during the early stress are key. Guinea pig pups isolated from their mothers exhibit an initial active behavioral phase characterized by anxiety-like vocalizing. This is followed by inflammatory-dependent depressive-like behavior and fever that sensitize on repeated isolation. Using strategies that have been successful in adult studies, we assessed whether sympathetic nervous system activity and cortisol contributed to the sensitization process in guinea pig pups. In Experiment 1, the adrenergic agonist ephedrine (3 or 10 mg/kg), either alone or with cortisol (2.5 mg/kg), did not increase depressive-like behavior or fever during initial isolation the following day as might have been expected to if this stimulation was sufficient to account for the sensitization process. In Experiment 2, both depressive-like behavior and fever sensitized with repeated isolation, but beta-adrenergic receptor blockade with propranolol (10 or 20 mg/kg) did not affect either of these responses or their sensitization. The high dose of propranolol did, however, reduce vocalizing. These results suggest sympathetic nervous system activation is neither necessary nor sufficient to induce the presumptive neuroinflammatory signaling underlying sensitization of depressive-like behavioral or febrile responses in developing guinea pigs. Thus, processes mediating sensitization of neuroinflammatory-based depressive-like behavior following early-life attachment disruption in this model appear to differ from those previously found to underlie neuroinflammatory priming in adults.
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Affiliation(s)
- Rachel R. Kessler
- Department of Psychology, Wright State University, Dayton OH, 45435, United States
| | - Patricia A. Schiml
- Department of Psychology, Wright State University, Dayton OH, 45435, United States
| | - Sean M. McGraw
- Department of Psychology, Wright State University, Dayton OH, 45435, United States
| | - Erin N. Tomlin
- Department of Psychology, Wright State University, Dayton OH, 45435, United States
| | - Mikayla J. Hoeferlin
- Department of Psychology, Wright State University, Dayton OH, 45435, United States
| | - Terrence Deak
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, United States
| | - Michael B. Hennessy
- Department of Psychology, Wright State University, Dayton OH, 45435, United States
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Gruol DL, Calderon D, Huitron-Resendiz S, Cates-Gatto C, Roberts AJ. Impact of Elevated Brain IL-6 in Transgenic Mice on the Behavioral and Neurochemical Consequences of Chronic Alcohol Exposure. Cells 2023; 12:2306. [PMID: 37759527 PMCID: PMC10527024 DOI: 10.3390/cells12182306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/30/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
Alcohol consumption activates the neuroimmune system of the brain, a system in which brain astrocytes and microglia play dominant roles. These glial cells normally produce low levels of neuroimmune factors, which are important signaling factors and regulators of brain function. Alcohol activation of the neuroimmune system is known to dysregulate the production of neuroimmune factors, such as the cytokine IL-6, thereby changing the neuroimmune status of the brain, which could impact the actions of alcohol. The consequences of neuroimmune-alcohol interactions are not fully known. In the current studies we investigated this issue in transgenic (TG) mice with altered neuroimmune status relative to IL-6. The TG mice express elevated levels of astrocyte-produced IL-6, a condition known to occur with alcohol exposure. Standard behavioral tests of alcohol drinking and negative affect/emotionality were carried out in homozygous and heterozygous TG mice and control mice to assess the impact of neuroimmune status on the actions of chronic intermittent alcohol (ethanol) (CIE) exposure on these behaviors. The expressions of signal transduction and synaptic proteins were also assessed by Western blot to identify the impact of alcohol-neuroimmune interactions on brain neurochemistry. The results from these studies show that neuroimmune status with respect to IL-6 significantly impacts the effects of alcohol on multiple levels.
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Affiliation(s)
- Donna L. Gruol
- Neuroscience Department, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Delilah Calderon
- Neuroscience Department, The Scripps Research Institute, La Jolla, CA 92037, USA
| | | | - Chelsea Cates-Gatto
- Animal Models Core Facility, The Scripps Research Institute, La Jolla, CA 92037, USA (A.J.R.)
| | - Amanda J. Roberts
- Animal Models Core Facility, The Scripps Research Institute, La Jolla, CA 92037, USA (A.J.R.)
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Alsalloum M, Ilchibaeva T, Tsybko A, Eremin D, Naumenko V. A Truncated Receptor TrkB Isoform (TrkB.T1) in Mechanisms of Genetically Determined Depressive-like Behavior of Mice. Biomedicines 2023; 11:2573. [PMID: 37761014 PMCID: PMC10526453 DOI: 10.3390/biomedicines11092573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/24/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Depression is a mental disorder that significantly reduces quality of life, and the discovery of new drug targets is an urgent problem for modern neuroscience. Brain-derived neurotrophic factor (BDNF) and its receptors have been found to participate in mechanisms of depression and antidepressant drugs' action. In this study, we focused on a less-studied truncated isoform of receptor TrkB: TrkB.T1. Initially, we noticed that the level of TrkB.T1 is low in the hippocampus of Antidepressant-Sensitive Cataleptics (ASC) mice, which are characterized by genetically determined depressive-like behavior in contrast to "normal" C57BL/6J mice. Next, overexpression of TrkB.T1 receptor in hippocampal neurons of ACS mice was induced to clarify the role of this receptor in mechanisms of depressive-like behavior. TrkB.T1 overexpression lowered BDNF protein concentration in the hippocampus. On the behavioral level, TrkB.T1 overexpression severely decreased aggression and enhanced social behavior. Additionally, this excess of receptor TrkB.T1 slightly promoted anxiety and depressive-like behavioral traits without affecting learning and memory. Our results show that this TrkB isoform participates in the control of aggression, anxiety, and depressive-like behavior and in the regulation of BDNF system functioning in ASC mice (genetically predisposed to depressive-like behavior). Considering our findings, we believe that hippocampal receptor TrkB.T1 can be a drug target for the correction of behavioral pathologies.
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Affiliation(s)
- Marah Alsalloum
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Prospekt Akad. Lavrentyeva 10, Novosibirsk 630090, Russia; (M.A.); (D.E.); (V.N.)
| | - Tatiana Ilchibaeva
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Prospekt Akad. Lavrentyeva 10, Novosibirsk 630090, Russia; (M.A.); (D.E.); (V.N.)
| | - Anton Tsybko
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Prospekt Akad. Lavrentyeva 10, Novosibirsk 630090, Russia; (M.A.); (D.E.); (V.N.)
- Department of Natural Sciences, Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Dmitry Eremin
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Prospekt Akad. Lavrentyeva 10, Novosibirsk 630090, Russia; (M.A.); (D.E.); (V.N.)
| | - Vladimir Naumenko
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Prospekt Akad. Lavrentyeva 10, Novosibirsk 630090, Russia; (M.A.); (D.E.); (V.N.)
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Wang J, Deng X, Jiang J, Yao Z, Ju Y, Luo Y. Evaluation of electroacupuncture as a non-pharmacological therapy for astrocytic structural aberrations and behavioral deficits in a post-ischemic depression model in mice. Front Behav Neurosci 2023; 17:1239024. [PMID: 37700911 PMCID: PMC10493307 DOI: 10.3389/fnbeh.2023.1239024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 08/07/2023] [Indexed: 09/14/2023] Open
Abstract
Background Ascending clinical evidence supports that electroacupuncture (EA) is effective in treating post-ischemic depression (PID), but little is known about how it works at the cellular level. Astrocytes are exquisitely sensitive to their extracellular environment, and under stressful conditions, they may experience aberrant structural remodeling that can potentially cause neuroplastic disturbances and contribute to subsequent changes in mood or behavior. Objectives This study aimed to investigate the effect of EA on behavioral deficits associated with PID in mice and verify the hypothesis that astrocytic morphology may be involved in this impact. Methods We established a PID animal model induced by transient bilateral common carotid artery occlusion (BCCAO, 20 min) and chronic restraint stress (CRS, 21 days). EA treatment (GV20 + ST36) was performed for 3 weeks, from Monday to Friday each week. Depressive- and anxiety-like behaviors and sociability were evaluated using SPT, FST, EPM, and SIT. Immunohistochemistry combined with Sholl and cell morphological analysis was utilized to assess the process morphology of GFAP+ astrocytes in mood-related regions. The potential relationship between morphological changes in astrocytes and behavioral output was detected by correlation analysis. Results Behavioral assays demonstrated that EA treatment induced an overall reduction in behavioral deficits, as measured by the behavioral Z-score. Sholl and morphological analyses revealed that EA prevented the decline in cell complexity of astrocytes in the prefrontal cortex (PFC) and the CA1 region of the hippocampus, where astrocytes displayed evident deramification and atrophy of the branches. Eventually, the correlation analysis showed there was a relationship between behavioral emotionality and morphological changes. Conclusion Our findings imply that EA prevents both behavioral deficits and structural abnormalities in astrocytes in the PID model. The strong correlation between behavioral Z-scores and the observed morphological changes confirms the notion that the weakening of astrocytic processes may play a crucial role in depressive symptoms, and astrocytes could be a potential target of EA in the treatment of PID.
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Affiliation(s)
- Jingwen Wang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xin Deng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jin Jiang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhengyu Yao
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yaxin Ju
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yong Luo
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Kim Y, Kim J, Kang S, Chang KA. Depressive-like Behaviors Induced by mGluR5 Reduction in 6xTg in Mouse Model of Alzheimer's Disease. Int J Mol Sci 2023; 24:13010. [PMID: 37629191 PMCID: PMC10455602 DOI: 10.3390/ijms241613010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
Alzheimer's disease (AD) is one representative dementia characterized by the accumulation of amyloid beta (Aβ) plaques and neurofibrillary tangles (NFTs) in the brain, resulting in cognitive decline and memory loss. AD is associated with neuropsychiatric symptoms, including major depressive disorder (MDD). Recent studies showed a reduction in mGluR5 expression in the brains of stress-induced mice models and individuals with MDD compared to controls. In our study, we identified depressive-like behavior and memory impairment in a mouse model of AD, specifically in the 6xTg model with tau and Aβ pathologies. In addition, we investigated the expression of mGluR5 in the brains of 6xTg mice using micro-positron emission tomography (micro-PET) imaging, histological analysis, and Western blot analysis, and we observed a decrease in mGluR5 levels in the brains of 6xTg mice compared to wild-type (WT) mice. Additionally, we identified alterations in the ERK/AKT/GSK-3β signaling pathway in the brains of 6xTg mice. Notably, we identified a significant negative correlation between depressive-like behavior and the protein level of mGluR5 in 6xTg mice. Additionally, we also found a significant positive correlation between depressive-like behavior and AD pathologies, including phosphorylated tau and Aβ. These findings suggested that abnormal mGluR5 expression and AD-related pathologies were involved in depressive-like behavior in the 6xTg mouse model. Further research is warranted to elucidate the underlying mechanisms and explore potential therapeutic targets in the intersection of AD and depressive-like symptoms.
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Affiliation(s)
- Youngkyo Kim
- Department of Health Science and Technology, Gachon Advanced Institute for Health Sciences & Technology, Gachon University, Incheon 21999, Republic of Korea
| | - Jinho Kim
- Department of Health Science and Technology, Gachon Advanced Institute for Health Sciences & Technology, Gachon University, Incheon 21999, Republic of Korea
| | - Shinwoo Kang
- Department of Pharmacology, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, VT 55905, USA
| | - Keun-A Chang
- Department of Health Science and Technology, Gachon Advanced Institute for Health Sciences & Technology, Gachon University, Incheon 21999, Republic of Korea
- Department of Pharmacology, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
- Neuroscience Research Institute, Gachon University, Incheon 21565, Republic of Korea
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Mamunur R, Hashioka S, Azis IA, Jaya MA, Jerin SJF, Kimura-Kataoka K, Fujihara J, Inoue K, Inagaki M, Takeshita H. Systemic Administration of Porphyromonas Gingivalis Lipopolysaccharide Induces Glial Activation and Depressive-Like Behavior in Rats. J Integr Neurosci 2023; 22:120. [PMID: 37735127 DOI: 10.31083/j.jin2205120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 05/17/2023] [Accepted: 05/29/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND Periodontitis is one of the most common chronic inflammatory disorders in adults. Although clinical studies have suggested a causal relationship between periodontitis and major depression (MD), the biological mechanisms by which periodontitis instigates MD are unknown. We investigated whether a systemic administration of lipopolysaccharide (LPS) from Porphyromonas gingivalis (Pg), a major Gram-negative pathogen of periodontitis, causes depressive-like behavior and glial activation in the hippocampus and the prefrontal cortex (PFC), which are MD-related brain regions. MATERIALS AND METHODS Eight-week-old male Sprague Dawley rats were randomly divided into a behavioral test group and an immunohistochemistry group. The rats in each group were further assigned to the sham injection (saline) and Porphyromonas gingivalis-lipopolysaccharide (Pg-LPS) injection protocols. The rats received an intraperitoneal injection of saline or Pg-LPS with gradually increasing doses (day 1: 0.5, day 2: 0.5, day 3: 0.75, day 4: 0.75, day 5: 1.0, day 6: 1.0, and day 7: 1.0 mg/kg of body weight) for seven consecutive days. After the systemic administration, the behavior test group underwent the forced swimming test (FST) and Y-maze test. For the immunohistochemistry group, we quantified the immunoreactivity for microglial Iba-1 (ionized calcium-binding adapter molecule 1) and astrocytic glial fibrillary acidic protein (GFAP) in the hippocampus (dentate gyrus [DG], cornu ammonis [CA1 and CA3]) and PFC (prelimbic [PrL] and the infralimbic [IL]) areas. RESULTS The FST immobility time in the Pg-LPS group was significantly longer than that in the sham group. In the Y-maze test, a significant decline in spontaneous alternation behavior was observed in the Pg-LPS group compared to the sham group. The peripheral administration of Pg-LPS significantly increased the immunoreactivity for Iba-1 in the CA3 and PrL. Pg-LPS injection significantly increased the immunoreactivity for GFAP in the DG, CA1, and CA3. CONCLUSIONS The major result of this study is that a repeated systemic administration of Pg-LPS caused depressive-like behavior and both microglial and astrocytic activation in rats. This finding may comprise biological evidence of a causal relationship between periodontitis and MD.
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Affiliation(s)
- Rahman Mamunur
- Department of Legal Medicine, Shimane University, 693-8501 Izumo, Japan
- Department of Psychiatry, Shimane University, 693-8501 Izumo, Japan
| | - Sadayuki Hashioka
- Department of Psychiatry, Asahikawa Medical University, 070-8510 Asahikawa, Japan
| | - Ilhamuddin A Azis
- Department of Psychiatry, Hasanuddin University, 90245 Kota Makassar, South Sulawesi, Indonesia
- Department of Biochemistry, Hasanuddin University, 90245 Kota Makassar, South Sulawesi, Indonesia
| | - Muhammad A Jaya
- Department of Psychiatry, Hasanuddin University, 90245 Kota Makassar, South Sulawesi, Indonesia
- Department of Psychiatry, Faculty of Medicine, Moslem University of Indonesia, 90231 Kota Makassar, South Sulawesi, Indonesia
| | - Sultana J F Jerin
- Department of Legal Medicine, Shimane University, 693-8501 Izumo, Japan
- Department of Psychiatry, Shimane University, 693-8501 Izumo, Japan
| | | | - Junko Fujihara
- Department of Legal Medicine, Shimane University, 693-8501 Izumo, Japan
| | - Ken Inoue
- Research and Education Faculty, Medical Sciences Cluster, Health Service Center, Kochi University, 780-8520 Kochi, Japan
| | | | - Haruo Takeshita
- Department of Legal Medicine, Shimane University, 693-8501 Izumo, Japan
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Alamri HS, Mufti R, Sabir DK, Abuderman AA, Dawood AF, ShamsEldeen AM, Haidara MA, Isenovic ER, El-Bidawy MH. Forced Swimming-Induced Depressive-like Behavior and Anxiety Are Reduced by Chlorpheniramine via Suppression of Oxidative and Inflammatory Mediators and Activating the Nrf2-BDNF Signaling Pathway. Curr Issues Mol Biol 2023; 45:6449-6465. [PMID: 37623226 PMCID: PMC10453464 DOI: 10.3390/cimb45080407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/20/2023] [Accepted: 08/01/2023] [Indexed: 08/26/2023] Open
Abstract
The first-generation antihistamine chlorpheniramine (CPA) is believed to have both anxiolytic and antidepressant properties. The current study sought to assess the mechanisms behind the antidepressant and anxiolytic effects of CPA therapy concerning oxidative stress, inflammation, and nuclear factor p45 for erythroid 2-Brain-derived neurotrophic factor (Nrf2-BDNF) signaling pathway in forced swimming-induced depressive-like behavior and anxiety. Eighteen male Wistar rats (180-200 gm) rats were separated into three groups (n = 6): a stressed group (acute stress) that underwent the forced swimming test (FST) and a stressed group that received pretreatment with CPA (10 mg/kg body weight) for 3 weeks (CPA + acute stress). Animals were subsequently put through the following behavioral tests after undergoing a forced swim test (FST) for 5 min: an immobility test, open field test, and elevated plus maze test. Serum cortisol levels were measured when the rats were euthanized at the end of the experiments. Brain neurotransmitters (cortisol, serotonin, and noradrenaline), oxidative stress (SOD and MDA), inflammatory (IL-6 and IL-1) biomarkers, and the Nrf2-BDNF signaling pathway in the hippocampus and cerebral cortex tissues was determined. CPA prevented stress-induced increases in cortisol levels (p < 0.0001), decreased brain neurotransmitters, and increased oxidative stress and inflammation. CPA also upregulated the Nrf2-BDNF signaling pathway. Thus, CPA mitigates depressive-like behavior and anxiety by inhibiting oxidative stress and inflammation and upregulating the Nrf2-BDNF signaling pathway in the brain tissues.
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Affiliation(s)
- Hasan S. Alamri
- Department of Internal Medicine, College of Medicine, King Khalid University, P.O. Box 641, Abha 61421, Saudi Arabia;
| | - Rana Mufti
- Department of Clinical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Deema Kamal Sabir
- Department of Medical-Surgical Nursing, College of Nursing, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Abdulwahab A. Abuderman
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, P.O. Box 11942, Al-Kharj 16278, Saudi Arabia; (A.A.A.); (M.H.E.-B.)
| | - Amal F. Dawood
- Department of Basic Medical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, P.O. Box. 84428, Riyadh 11671, Saudi Arabia
| | - Asmaa M. ShamsEldeen
- Department of Physiology, Kasr Al-Aini Faculty of Medicine, Cairo University, Cairo 11566, Egypt or (A.M.S.)
- Department of Physiology, Faculty of Medicine, October 6 University, Cairo 11566, Egypt
| | - Mohamed A. Haidara
- Department of Physiology, Kasr Al-Aini Faculty of Medicine, Cairo University, Cairo 11566, Egypt or (A.M.S.)
| | - Esma R. Isenovic
- Department of Radiobiology and Molecular Genetics, “VINČA” Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia;
| | - Mahmoud H. El-Bidawy
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, P.O. Box 11942, Al-Kharj 16278, Saudi Arabia; (A.A.A.); (M.H.E.-B.)
- Department of Physiology, Kasr Al-Aini Faculty of Medicine, Cairo University, Cairo 11566, Egypt or (A.M.S.)
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Kaminskaya YP, Ilchibaeva TV, Khotskin NV, Naumenko VS, Tsybko AS. Effect of Hippocampal Overexpression of Dopamine Neurotrophic Factor (CDNF) on Behavior of Mice with Genetic Predisposition to Depressive-Like Behavior. Biochemistry (Mosc) 2023; 88:1070-1091. [PMID: 37758308 DOI: 10.1134/s0006297923080035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 06/08/2023] [Accepted: 06/09/2023] [Indexed: 10/03/2023]
Abstract
Cerebral dopamine neurotrophic factor (CDNF) is a promising agent for Parkinson's disease treatment. However, its role in regulation of non-motor behavior including various psychopathologies remains unclear. In this regard, the aim of the present work was to study effect of CDNF overexpression in hippocampus on behavior of the ASC mice (Antidepressant Sensitive Cataleptics) with genetic predisposition to depressive-like behavior. CDNF overexpression in the mouse hippocampal neurons was induced using an adeno-associated viral vector. Four weeks after stereotaxic injection of the AAV-CDNF construct into the dorsal hippocampus home cage activity, exploratory, anxious and depressive-like types of behavior, as well as spatial and associative learning were assessed. We found significant improvements in the dynamics of spatial learning in the Morris water maze in the CDNF-overexpressing animals. At the same time, no effect of CDNF was found on other types of behavior under study. Behavior of the experimental animals under home cage conditions did not differ from that in the control group, except for the decrease in the total amount of food eaten and slight increase in the number of sleep episodes during the light phase of the day. In the present study we also attempted to determine molecular basis for the above-mentioned changes through assessment of the gene expression pattern. We did not find significant changes in the mRNA level of key kinases genes involved in neuroplasticity and neuronal survival, as well as genes encoding receptors for the main neurotransmitter systems. However, the CDNF-overexpressing animals showed increased level of the spliced Xbp indicating activation of the Ire1α/Xbp-1 pathway traditionally associated with ER stress. Immunohistochemical analysis showed that CDNF was co-localized with the ER marker calreticulin. Thus, the effects of endogenous CDNF on behavior that we have found could be mediated by a specific molecular cascade, which emphasizes its difference from the classical neurotrophic factors.
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Affiliation(s)
- Yana P Kaminskaya
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - Tatiana V Ilchibaeva
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - Nikita V Khotskin
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - Vladimir S Naumenko
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - Anton S Tsybko
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, 630090, Russia.
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15
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Filipović D, Inderhees J, Korda A, Tadić P, Schwaninger M, Inta D, Borgwardt S. Metabolic Fingerprints of Effective Fluoxetine Treatment in the Prefrontal Cortex of Chronically Socially Isolated Rats: Marker Candidates and Predictive Metabolites. Int J Mol Sci 2023; 24:10957. [PMID: 37446133 PMCID: PMC10341512 DOI: 10.3390/ijms241310957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/20/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
The increasing prevalence of depression requires more effective therapy and the understanding of antidepressants' mode of action. We carried out untargeted metabolomics of the prefrontal cortex of rats exposed to chronic social isolation (CSIS), a rat model of depression, and/or fluoxetine treatment using liquid chromatography-high resolution mass spectrometry. The behavioral phenotype was assessed by the forced swim test. To analyze the metabolomics data, we employed univariate and multivariate analysis and biomarker capacity assessment using the receiver operating characteristic (ROC) curve. We also identified the most predictive biomarkers using a support vector machine with linear kernel (SVM-LK). Upregulated myo-inositol following CSIS may represent a potential marker of depressive phenotype. Effective fluoxetine treatment reversed depressive-like behavior and increased sedoheptulose 7-phosphate, hypotaurine, and acetyl-L-carnitine contents, which were identified as marker candidates for fluoxetine efficacy. ROC analysis revealed 4 significant marker candidates for CSIS group discrimination, and 10 for fluoxetine efficacy. SVM-LK with accuracies of 61.50% or 93.30% identified a panel of 7 or 25 predictive metabolites for depressive-like behavior or fluoxetine effectiveness, respectively. Overall, metabolic fingerprints combined with the ROC curve and SVM-LK may represent a new approach to identifying marker candidates or predictive metabolites for ongoing disease or disease risk and treatment outcome.
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Affiliation(s)
- Dragana Filipović
- Department of Molecular Biology and Endocrinology, “VINČA” Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia
| | - Julica Inderhees
- Institute for Experimental and Clinical Pharmacology and Toxicology, Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany; (J.I.); (M.S.)
- German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg-Kiel-Lübeck, 20251 Hamburg, Germany
- Center of Brain Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany
| | - Alexandra Korda
- Department of Psychiatry and Psychotherapy, Center of Brain Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany;
| | - Predrag Tadić
- School of Electrical Engineering, University of Belgrade, 11000 Belgrade, Serbia;
| | - Markus Schwaninger
- Institute for Experimental and Clinical Pharmacology and Toxicology, Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany; (J.I.); (M.S.)
- German Centre for Cardiovascular Research (DZHK), Partner Site Hamburg-Kiel-Lübeck, 20251 Hamburg, Germany
| | - Dragoš Inta
- Department for Community Health, Faculty of Natural Sciences, Medicine, University of Fribourg, 1700 Fribourg, Switzerland; (D.I.); (S.B.)
- Department of Biomedicine, University of Basel, 4001 Basel, Switzerland
| | - Stefan Borgwardt
- Department for Community Health, Faculty of Natural Sciences, Medicine, University of Fribourg, 1700 Fribourg, Switzerland; (D.I.); (S.B.)
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16
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Kapitsa IG, Alymov AA, Savinkova EV, Voronina TA, Seredenin SB. Experimental Study of Antidepressant Properties of Afobazole. Bull Exp Biol Med 2023:10.1007/s10517-023-05811-4. [PMID: 37338764 DOI: 10.1007/s10517-023-05811-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Indexed: 06/21/2023]
Abstract
We studied the effects of oral administration of Afobazole in a dose of 10 mg/kg for 5 days on depressive-like behavior of male C57BL/6 mice in the tail suspension test in comparison with amitriptyline (10 mg/kg) or fluoxetine (20 mg/kg) treatment. Afobazole produced an antidepressant effect similar to amitriptyline, but inferior to fluoxetine. The σ1 receptor antagonist BD-1047 in a dose of 5 mg/kg blocked the antidepressant effect of Afobazole, which indicates the involvement of σ1 receptors in the antidepressant effect of the drug.
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Affiliation(s)
- I G Kapitsa
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia.
| | - A A Alymov
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia
| | - E V Savinkova
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia
| | - T A Voronina
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia
| | - S B Seredenin
- V. V. Zakusov Research Institute of Pharmacology, Moscow, Russia
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17
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Li Z, Xu Y, Li R, Sheng Z, Chen X, Liu X, Lee CS, Peng HY, Lin TB, Hsieh MC, Lai CY, Wu HF, Chou D. BTRX-246040 acts through the ventrolateral periaqueductal gray to exert antidepressant-relevant actions in mice. Int J Neuropsychopharmacol 2023:7190327. [PMID: 37279653 PMCID: PMC10388391 DOI: 10.1093/ijnp/pyad027] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Indexed: 06/08/2023] Open
Abstract
BACKGROUND BTRX-246040, a nociceptin/orphanin FQ (N/OFQ) peptide (NOP) receptor antagonist, is being developed for the treatment of depressive patients. However, the underlying mechanism of this potential antidepressant is still largely unclear. Here, we studied the antidepressant-related actions of BTRX-246040 in the ventrolateral periaqueductal gray (vlPAG). METHODS The tail suspension test (TST), forced swim test (FST), female urine sniffing test (FUST), sucrose preference test (SPT), and learned helplessness (LH) combined with pharmacological approaches were employed to examine the antidepressant-like effects and the drug effects on LH-induced depressive-like behavior in C57BL/6J mice. Electrophysiological recordings in vlPAG neurons were used to study synaptic activity. RESULTS Intraperitoneal administration of BTRX-246040 produced antidepressant-like behavioral effects in a dose-dependent manner. Systemic BTRX-246040 (10 mg/kg) resulted in an increased frequency and amplitude of miniature excitatory postsynaptic currents (mEPSCs) in the vlPAG. Moreover, slice perfusion of BTRX-246040 directly elevated the frequency and amplitude of mEPSCs and enhanced the evoked excitatory postsynaptic currents (EPSCs) in the vlPAG, which were blocked by pretreatment with the NOP receptor agonist Ro 64-6198. In addition, intra-vlPAG application of BTRX-246040 produced antidepressant-like behavioral effects in a dose-dependent manner. Moreover, intra-vlPAG pretreatment with CNQX reversed both systemic and local BTRX-246040-mediated antidepressant-like behavioral effects. Furthermore, both systemic and local BTRX-246040 decreased the LH phenotype and reduced LH-induced depressive-like behavior. CONCLUSIONS The results suggested that BTRX-246040 may act through the vlPAG to exert antidepressant-relevant actions. The present study provides new insight into a vlPAG-dependent mechanism underlying the antidepressant-like actions of BTRX-246040.
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Affiliation(s)
- Zhenlong Li
- School of Basic Medical Sciences, Zhuhai Campus of Zunyi Medical University, Zhuhai, Guangdong, China
| | - Yuanyuan Xu
- Department of Pharmacology, Zhuhai Campus of Zunyi Medical University, Zhuhai, Guangdong, China
| | - Rourou Li
- School of Basic Medical Sciences, Zhuhai Campus of Zunyi Medical University, Zhuhai, Guangdong, China
| | - Zhenyu Sheng
- School of Basic Medical Sciences, Zhuhai Campus of Zunyi Medical University, Zhuhai, Guangdong, China
| | - Xinya Chen
- School of Basic Medical Sciences, Zhuhai Campus of Zunyi Medical University, Zhuhai, Guangdong, China
| | - Xueman Liu
- School of Basic Medical Sciences, Zhuhai Campus of Zunyi Medical University, Zhuhai, Guangdong, China
| | - Chau-Shoun Lee
- Department of Medicine, MacKay Medical College, New Taipei, Taiwan
- Department of Psychiatry, MacKay Memorial Hospital, Taipei, Taiwan
| | - Hsien-Yu Peng
- Department of Medicine, MacKay Medical College, New Taipei, Taiwan
| | - Tzer-Bin Lin
- Institute of New Drug Development, College of Medicine, China Medical University, Taichung, Taiwan
- Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
- Department of Physiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ming-Chun Hsieh
- Department of Medicine, MacKay Medical College, New Taipei, Taiwan
| | - Cheng-Yuan Lai
- Institute of Biomedical Sciences, MacKay Medical College, New Taipei, Taiwan
| | - Han-Fang Wu
- Department of Optometry, MacKay Medical College, New Taipei, Taiwan
| | - Dylan Chou
- Department of Medicine, MacKay Medical College, New Taipei, Taiwan
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18
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Zoicas I, Mühle C, Schumacher F, Kleuser B, Kornhuber J. Development of Comorbid Depression after Social Fear Conditioning in Mice and Its Effects on Brain Sphingolipid Metabolism. Cells 2023; 12:1355. [PMID: 37408189 DOI: 10.3390/cells12101355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/18/2023] [Accepted: 05/05/2023] [Indexed: 07/07/2023] Open
Abstract
Currently, there are no animal models for studying both specific social fear and social fear with comorbidities. Here, we investigated whether social fear conditioning (SFC), an animal model with face, predictive and construct validity for social anxiety disorder (SAD), leads to the development of comorbidities at a later stage over the course of the disease and how this affects the brain sphingolipid metabolism. SFC altered both the emotional behavior and the brain sphingolipid metabolism in a time-point-dependent manner. While social fear was not accompanied by changes in non-social anxiety-like and depressive-like behavior for at least two to three weeks, a comorbid depressive-like behavior developed five weeks after SFC. These different pathologies were accompanied by different alterations in the brain sphingolipid metabolism. Specific social fear was accompanied by increased activity of ceramidases in the ventral hippocampus and ventral mesencephalon and by small changes in sphingolipid levels in the dorsal hippocampus. Social fear with comorbid depression, however, altered the activity of sphingomyelinases and ceramidases as well as the sphingolipid levels and sphingolipid ratios in most of the investigated brain regions. This suggests that changes in the brain sphingolipid metabolism might be related to the short- and long-term pathophysiology of SAD.
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Affiliation(s)
- Iulia Zoicas
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Fabian Schumacher
- Institute of Pharmacy, Freie Universität Berlin, 14195 Berlin, Germany
| | - Burkhard Kleuser
- Institute of Pharmacy, Freie Universität Berlin, 14195 Berlin, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
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Bakalov D, Iliev P, Sabit Z, Tafradjiiska-Hadjiolova R, Bocheva G. Attenuation of Hypothyroidism-Induced Cognitive Impairment by Modulating Serotonin Mediation. Vet Sci 2023; 10. [PMID: 36851426 DOI: 10.3390/vetsci10020122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/29/2022] [Accepted: 02/04/2023] [Indexed: 02/08/2023] Open
Abstract
Thyroid hormones play an important role in the modeling of neural networks in the brain. Besides its metabolic effects, thyroid dysfunction, and hypothyroidism in particular, is frequently associated with cognitive decline and depressive-like behavior. The current study aimed to examine the changes in behavior, cognition, and memory in rats with propylthiouracil-induced overt hypothyroidism. The behavior and cognition were assessed using the open field test, T-maze, and novel object recognition test. We found significant differences in the behavioral patterns of the hypothyroid animals showing a reduction in locomotor activity, frequency of rearing, and impaired memory function compared to the euthyroid controls. As serotonin is an essential biomarker regulating cognition and mood, we tried to modulate the serotonin mediation in hypothyroid animals through tryptophan administration. Treatment with 5-hydroxy-tryptophan (5-OH-TRP) intraperitoneally for 10 days or directly into the hippocampus as a single injection led to attenuation of the hypothyroidism-induced cognitive and memory decline. A staggering amount of research is suggesting that the common denominators in the pathophysiology of depression and the behavior changes in hypothyroidism are the hippocampal complex and the distorted serotonin metabolism. In our study, it was observed a significant alleviation of cognitive impairment and an improvement of memory performance in hypothyroid rats after 5-OH-TRP administration. Current results are promising and may serve as groundwork for further investigation of functional and structural changes in the hippocampus during a hypothyroid state, and in particular, the effects of serotonin mediation in hypothyroid-associated depressive-like behavior.
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Pardo GVE, Alfaro Saca EE, Becerra Flores CT, Delgado Casós WF, Pacheco-Otalora LF. Limited bedding nesting paradigm alters maternal behavior and pup's early developmental milestones but did not induce anxiety- or depressive-like behavior in two different inbred mice. Dev Psychobiol 2023; 65:e22357. [PMID: 36567650 DOI: 10.1002/dev.22357] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 11/03/2022] [Accepted: 11/07/2022] [Indexed: 12/24/2022]
Abstract
Animal models are crucial to understanding the mechanisms underlying the deleterious consequences of early-life stress. Here, we aimed to examine the effect of the limited bedding nesting (LBN) paradigm on early life development milestones and anxiety- and/or depression-like behavior in adolescent and adult mice from two inbred mice of both sexes. C57BL/6NCrl and BALB/c litters were exposed to the LBN paradigm postnatal day (PND) 2-9. Maternal behavior recording occurred on PND 3-9, and pups were weighed daily and examined to verify the eye-opening on PND 10-22. The male and female offspring underwent evaluation in the open field test, elevated plus-maze, and the forced swimming test during adolescence (PND 45-49) and adulthood (PND 75-79). We found that LBN impaired the maternal behavior patterns of both strain dams, mainly on C57BL/6NCrl strain. Also, LBN delayed the pup's eye-opening time and reduced body weight gain, impacting C57BL/6NCrl pups more. We also found that LBN decreased anxiety-related indices in adolescent and adult male but not female mice of both strains. Furthermore, LBN decreased depression-related indices only adolescent female and male BALB/c and female but not male C57BL/6NCrl mice. These findings reinforce the evidence that the LBN paradigm impairs the maternal behavior pattern and pup's early developmental milestones but does not induce anxiety- or depressive-like behavior outcomes during later life.
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Affiliation(s)
- Grace V E Pardo
- Laboratorio de Investigación en Neurociencia, Instituto Científico de Investigación, Universidad Andina del Cusco, Cuzco, Peru
| | - Eros Emanuel Alfaro Saca
- Laboratorio de Investigación en Neurociencia, Instituto Científico de Investigación, Universidad Andina del Cusco, Cuzco, Peru
| | | | - Walter Fares Delgado Casós
- Laboratorio de Investigación en Neurociencia, Instituto Científico de Investigación, Universidad Andina del Cusco, Cuzco, Peru
| | - Luis F Pacheco-Otalora
- Laboratorio de Investigación en Neurociencia, Instituto Científico de Investigación, Universidad Andina del Cusco, Cuzco, Peru
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Lefter R, Balmus I, Ciobica A, Antioch I, Ababei D, Bild W, Hritcu L, Musteata M, Timofte D, Hogas S. CENTRAL AND PERIPHERAL EFFECT OF MPTP VIA DOSE-DEPENDENT MAGNESIUM MODULATION. Acta Endocrinol (Buchar) 2023; 19:36-48. [PMID: 37601708 PMCID: PMC10439331 DOI: 10.4183/aeb.2023.36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Background Recent studies suggested that MPTP could cause gastrointestinal motility deficits additionally to its nonconclusive and controverted effects on the CNS (behavior and brain oxidative stress) in rats. A possible interaction between MPTP typical impairments and magnesium modulatory potential was previously suggested, as magnesium role was described in neuroprotection, gastrointestinal function, and oxidative stress. Aim To investigate the possible modulatory effect of several magnesium intake formulations (via drinking water) in MPTP neurotoxicity and functional gastrointestinal impairment induction. Materials and Methods Adult male Wistar rats were subjected to 3-week magnesium intake-controlled diets (magnesium depleted food and magnesium enriched drinking water) previously to acute subcutaneous MPTP treatment (30 mg/ kg body weight). Gastrointestinal motility (one hour stool collection test), and behavioral patterns (Y maze task, elevated plus maze test, open field test, forced swim test) were evaluated. Followingly, brain and bowel samples were collected, and oxidative stress was evaluated (glutathione peroxidase activity, malondial-dehyde concentrations). Results MPTP could lead to magnesium intake-dependent constipation-like gastrointestinal motility impairments, anxiety- and depressive-like affective behavior changes, and mild pain tolerance defects. Also, we found similar brain and intestinal patterns in magnesium-dependent oxidative stress. Conclusion While the MPTP effects in normal magnesium intake could be regarded as not fully relevant in rat models and limited to the current experimental conditions, the abnormalities observed in the affective behavior, gastrointestinal status, pain tolerance, peripheric and central oxidative status could be indicative of the extent of the systemic effects of MPTP that are not restricted to the CNS level, but also to gastro-intestinal system.
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Affiliation(s)
- R. Lefter
- Centre of Biomedical Research, Romanian Academy, Iasi, Romania
| | - I.M. Balmus
- “Alexandru Ioan Cuza” University of Iasi, Department of Exact Sciences and Natural Sciences, Institute of Interdisciplinary Research, Iasi, Romania
| | - A. Ciobica
- Centre of Biomedical Research, Romanian Academy, Iasi, Romania
- “Alexandru Ioan Cuza” University, Department of Biology, Faculty of Biology, Iasi, Romania
- Academy of Romanian Scientists, Bucharest, Iasi, Romania
| | - Iulia Antioch
- “Alexandru Ioan Cuza” University, Department of Biology, Faculty of Biology, Iasi, Romania
| | - D.C. Ababei
- “Grigore T. Popa” University of Medicine and Pharmacy, Department of Pharmacodynamics and Clinical Pharmac Iasi, Romania
| | - W. Bild
- Centre of Biomedical Research, Romanian Academy, Iasi, Romania
- “Grigore T. Popa” University of Medicine and Pharmacy, Department of Physiology Iasi, Romania
| | - L.D. Hritcu
- “Ion Ionescu de la Brad” University of Agricultural Science and Veterinary Medicine, Internal Medicine Clinic, Faculty of Veterinary Medicine Iasi, Romania
| | - M. Musteata
- “Ion Ionescu de la Brad” University of Agricultural Science and Veterinary Medicine, Internal Medicine Clinic, Faculty of Veterinary Medicine Iasi, Romania
| | - D. Timofte
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - S. Hogas
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
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Tóth K, Oroszi T, Nyakas C, van der Zee EA, Schoemaker RG. Whole-body vibration as a passive alternative to exercise after myocardial damage in middle-aged female rats: Effects on the heart, the brain, and behavior. Front Aging Neurosci 2023; 15:1034474. [PMID: 36960421 PMCID: PMC10028093 DOI: 10.3389/fnagi.2023.1034474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 02/02/2023] [Indexed: 03/09/2023] Open
Abstract
Background Females with cardiovascular disease seem more vulnerable to develop concomitant mental problems, such as depression and cognitive decline. Although exercise is shown beneficial in cardiovascular disease as well as in mental functions, these patients may be incapable or unmotivated to perform exercise. Whole body vibration (WBV) could provide a passive alternative to exercise. Aim of the present study was to compare WBV to exercise after isoproterenol (ISO)-induced myocardial damage in female rats, regarding effects on heart, brain and behavior. Methods One week after ISO (70 mg/kg s.c., on 2 consecutive days) or saline injections, 12 months old female rats were assigned to WBV (10 minutes daily), treadmill running (30 minutes daily) or pseudo intervention for 5 weeks. During the last 10 days, behavioral tests were performed regarding depressive-like behavior, cognitive function, and motor performance. Rats were sacrificed, brains and hearts were dissected for (immuno)histochemistry. Results Significant ISO-induced cardiac collagen deposition (0.67 ± 0.10 vs 0.18 ± 0.03%) was absent after running (0.45 ± 0.26 vs 0.46 ± 0.08%), but not after WBV (0.83 ± 0.12 vs 0.41 ± 0.05%). However, WBV as well as running significantly reduced hippocampal (CA3) collagen content in ISO-treated rats. Significant regional differences in hippocampal microglia activity and brain derived neurotrophic factor (BDNF) expression were observed. Significant ISO-induced CA1 microglia activation was reduced after WBV as well as running, while opposite effects were observed in the CA3; significant reduction after ISO that was restored by WBV and running. Both WBV and running reversed the ISO-induced increased BDNF expression in the CA1, Dentate gyrus and Hilus, but not in the CA3 area. Whereas running had no significant effect on behavior in the ISO-treated rats, WBV may be associated with short-term spatial memory in the novel location recognition test. Conclusion Although the female rats did not show the anticipated depressive-like behavior or cognitive decline after ISO, our data indicated regional effects on neuroinflammation and BDNF expression in the hippocampus, that were merely normalized by both WBV and exercise. Therefore, apart from the potential concern about the lack of cardiac collagen reduction, WBV may provide a relevant alternative for physical exercise.
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Affiliation(s)
- Kata Tóth
- Department of Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, Netherlands
- Research Center for Molecular Exercise Science, Hungarian University of Sports Science, Budapest, Hungary
| | - Tamás Oroszi
- Department of Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, Netherlands
- Research Center for Molecular Exercise Science, Hungarian University of Sports Science, Budapest, Hungary
| | - Csaba Nyakas
- Research Center for Molecular Exercise Science, Hungarian University of Sports Science, Budapest, Hungary
- Behavioral Physiology Research Laboratory, Health Science Faculty, Semmelweis University, Budapest, Hungary
| | - Eddy A. van der Zee
- Department of Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, Netherlands
| | - Regien G. Schoemaker
- Department of Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, Netherlands
- Department of Cardiology, University Medical Center Groningen, Groningen, Netherlands
- *Correspondence: Regien G. Schoemaker
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Li N, Wang H, Xin S, Min R, Zhang Y, Deng Y. Confinement induces oxidative damage and synaptic dysfunction in mice. Front Physiol 2022; 13:999574. [PMID: 36505063 PMCID: PMC9729776 DOI: 10.3389/fphys.2022.999574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 11/10/2022] [Indexed: 11/25/2022] Open
Abstract
A confined environment is an enclosed area where entry or exit is highly restricted, which is a risk factor for a work crew's mental health. Previous studies have shown that a crew is more susceptible to developing anxiety or depression in a confined environment. However, the underlying mechanism by which negative emotion is induced by confinement is not fully understood. Hence, in this study, mice were retained in a tube to simulate short-term confinement. The mice exhibited depressive-like behavior. Additionally, the levels of H2O2 and malondialdehyde in the prefrontal cortex were significantly increased in the confinement group. Furthermore, a label-free quantitative proteomic strategy was applied to analyze the abundance of proteins in the prefrontal cortex of mice. A total of 71 proteins were considered differentially abundant proteins among 3,023 identified proteins. Two differentially abundant proteins, superoxide dismutase [Mn] and syntaxin-1A, were also validated by a parallel reaction monitoring assay. Strikingly, the differentially abundant proteins were highly enriched in the respiratory chain, oxidative phosphorylation, and the synaptic vesicle cycle, which might lead to oxidative damage and synaptic dysfunction. The results of this study provide valuable information to better understand the mechanisms of depressive-like behavior induced by confined environments.
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Affiliation(s)
- Nuomin Li
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing, China
| | - Hao Wang
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing, China
| | - Shuchen Xin
- School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Rui Min
- School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Yongqian Zhang
- School of Life Science, Beijing Institute of Technology, Beijing, China,*Correspondence: Yongqian Zhang,
| | - Yulin Deng
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing, China,School of Life Science, Beijing Institute of Technology, Beijing, China,Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, Beijing Institute of Technology, Beijing, China
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24
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Subramaniam S, Sabran MR, Stanslas J, Kirby BP. Effect of aflatoxin B1 exposure on the progression of depressive-like behavior in rats. Front Nutr 2022; 9:1032810. [PMID: 36466381 PMCID: PMC9712965 DOI: 10.3389/fnut.2022.1032810] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/02/2022] [Indexed: 07/20/2023] Open
Abstract
While it is well documented that aflatoxin B1 (AFB1); one of the most toxic food contaminants is linked to the development of depression. However, the mechanism on how it affects the gut and brain health leading to depressive-like behavior remains unclear. This study was conducted to determine the effect of AFB1 on the progression of depressive-like behavior. Thirty-two (n = 32) male Sprague Dawley rats were randomly allocated into four groups: control, low-dose (5 μg AFB1/kg), high-dose (25 μg AFB1/kg) and positive control group; exposed on chronic unpredictable mild stress (CUMS). After 4 weeks of exposure, sucrose preference test (SPT) and force swim test (FST) were used to measure behavioral despair. Fecal samples were selectively cultured to profile the bacteria. Body weight and relative organs weights were compared among groups. AFB1 and CUMS caused reduction in body weight and food intake as well as increased relative weight of adrenal glands, liver, and brain. Rats in AFB1 and CUMS groups had suppressed sucrose preference and prolonged immobility time in FST, wherein this could indicate anhedonia. Besides, fecal count of Lactobacillus spp. was significantly low following AFB1 exposure, with increasing count of Bifidobacterium spp, in comparison to the control. Indeed, further biochemical analysis and metagenomic approach are warranted to explore the underlying mechanisms on the role of gut microbiota dysbiosis and dysregulation of gut-brain axis due to AFB1 neurotoxicity on the progression of depressive-like behavior.
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Affiliation(s)
- Syarminie Subramaniam
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Mohd-Redzwan Sabran
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Johnson Stanslas
- Pharmacotherapeutics Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Brian P. Kirby
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland
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25
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Liang L, Wang H, Hu Y, Bian H, Xiao L, Wang G. Oridonin relieves depressive-like behaviors by inhibiting neuroinflammation and autophagy impairment in rats subjected to chronic unpredictable mild stress. Phytother Res 2022; 36:3335-3351. [PMID: 35686337 DOI: 10.1002/ptr.7518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 04/21/2022] [Accepted: 05/17/2022] [Indexed: 11/11/2022]
Abstract
Major depressive disorder (MDD) is a severe life-threatening disorder with increasing prevalence. However, the mechanistic interplay between depression, neuroinflammation, and autophagy is yet to be demonstrated. This study investigated the effect of Oridonin on CUMS-induced depression, neuroinflammation, and autophagy impairment. Male 4-week-old Sprague-Dawley rats were subjected to chronic unpredictable mild stress (CUMS), some of which were injected with Oridonin, fluoxetine (FLX), or their combination at different durations of CUMS. CUMS significantly increased the levels of cytokines (IL-1β, IL-18, and caspase-1), reduced autophagy-related protein levels (Beclin-1, p62, Atg5, and LC3B), and caused microglia cells activation. Oridonin prevented and reversed the depressive-like behavior. Furthermore, it has a stronger and longer-lasting antidepressant effect than FLX. And the antidepressant effect of Oridonin in combination with fluoxetine was greater than that of high-dose fluoxetine alone. In addition, Oridonin significantly normalized autophagy-related protein levels, and reduced levels of cytokines by blocking the interaction between NLRP3 and NEK7. Similarly, Oridonin abolished levels of cytokines and reversed autophagy impairment in LPS-activated BV2 cells. All these results supported our hypothesis that Oridonin possesses potent anti-depressive action, which might be mediated via inhibition of neuroinflammation and autophagy impairment by blocking the interaction between NLRP3 and NEK7.
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Affiliation(s)
- Liang Liang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
- Department of Psychology, The Fourth Affiliated Hospital of Xinjiang Medical University, Xinjiang, China
| | - Hui Wang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ying Hu
- Department of Psychology, The Fourth Affiliated Hospital of Xinjiang Medical University, Xinjiang, China
| | - Hetao Bian
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ling Xiao
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Gaohua Wang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
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26
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Rodnyy AY, Kondaurova EM, Bazovkina DV, Kulikova EA, Ilchibaeva TV, Kovetskaya AI, Baraboshkina IA, Bazhenova EY, Popova NK, Naumenko VS. Serotonin 5-HT 7 receptor overexpression in the raphe nuclei area produces antidepressive effect and affects brain serotonin system in male mice. J Neurosci Res 2022; 100:1506-1523. [PMID: 35443076 DOI: 10.1002/jnr.25055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 03/28/2022] [Accepted: 04/03/2022] [Indexed: 12/15/2022]
Abstract
Heterodimerization between 5-HT7 and 5-HT1A receptors seems to play an important role in the mechanism of depression and antidepressant drug action. It was suggested that the shift of the ratio between 5-HT1A /5-HT7 hetero- and 5-HT1A /5-HT1A homodimers in presynaptic neurons toward 5-HT1A /5-HT1A homodimers is one of the reasons of depression. Consequently, the artificial elevation of 5-HT7 receptor number in presynaptic terminals might restore physiological homo-/heterodimer ratio resulting in antidepressive effect. Here we showed that adeno-associated virus (AAV)-based 5-HT7 receptor overexpression in the midbrain raphe nuclei area produced antidepressive effect in male mice of both C57Bl/6J and genetically predisposed to depressive-like behavior ASC (antidepressant sensitive cataleptics) strains. These changes were accompanied by the elevation of 5-HT7 receptor mRNA level in the frontal cortex of C57Bl/6J and its reduction in the hippocampus of ASC mice. The presence of engineered 5-HT7 receptor in the midbrain of both mouse strains was further demonstrated. Importantly that 5-HT7 receptor overexpression resulted in the reduction of 5-HT1A receptor level in the membrane protein fraction from the midbrain samples of C57Bl/6J, but not ASC, mice. 5-HT7 receptor overexpression caused an increase of 5-HIAA/5-HT ratio in the midbrain and the frontal cortex of C57Bl/6J and in all investigated brain structures of ASC mice. Thus, 5-HT7 receptor overexpression in the raphe nuclei area affects brain 5-HT system and causes antidepressive effect both in C57Bl/6J and in "depressive" ASC male mice. Obtained results indicate the involvement of 5-HT7 receptor in the mechanisms underlying depressive behavior.
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Affiliation(s)
- Alexander Ya Rodnyy
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Elena M Kondaurova
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Darya V Bazovkina
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Elisabeth A Kulikova
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Tatiana V Ilchibaeva
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Alexandra I Kovetskaya
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Irina A Baraboshkina
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Ekaterina Yu Bazhenova
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Nina K Popova
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
| | - Vladimir S Naumenko
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Science, Novosibirsk, Russia
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27
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Bijata M, Bączyńska E, Müller FE, Bijata K, Masternak J, Krzystyniak A, Szewczyk B, Siwiec M, Antoniuk S, Roszkowska M, Figiel I, Magnowska M, Olszyński KH, Wardak AD, Hogendorf A, Ruszczycki B, Gorinski N, Labus J, Stępień T, Tarka S, Bojarski AJ, Tokarski K, Filipkowski RK, Ponimaskin E, Wlodarczyk J. Activation of the 5-HT7 receptor and MMP-9 signaling module in the hippocampal CA1 region is necessary for the development of depressive-like behavior. Cell Rep 2022; 38:110532. [PMID: 35294881 DOI: 10.1016/j.celrep.2022.110532] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 10/31/2021] [Accepted: 02/25/2022] [Indexed: 12/13/2022] Open
Abstract
Major depressive disorder is a complex disease resulting from aberrant synaptic plasticity that may be caused by abnormal serotonergic signaling. Using a combination of behavioral, biochemical, and imaging methods, we analyze 5-HT7R/MMP-9 signaling and dendritic spine plasticity in the hippocampus in mice treated with the selective 5-HT7R agonist (LP-211) and in a model of chronic unpredictable stress (CUS)-induced depressive-like behavior. We show that acute 5-HT7R activation induces depressive-like behavior in mice in an MMP-9-dependent manner and that post mortem brain samples from human individuals with depression reveal increased MMP-9 enzymatic activity in the hippocampus. Both pharmacological activation of 5-HT7R and modulation of its downstream effectors as a result of CUS lead to dendritic spine elongation and decreased spine density in this region. Overall, the 5-HT7R/MMP-9 pathway is specifically activated in the CA1 subregion of the hippocampus during chronic stress and is crucial for inducing depressive-like behavior.
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Affiliation(s)
- Monika Bijata
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland; Cellular Neurophysiology, Center of Physiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany.
| | - Ewa Bączyńska
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland; The Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Franziska E Müller
- Cellular Neurophysiology, Center of Physiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Krystian Bijata
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland; Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Julia Masternak
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland
| | - Adam Krzystyniak
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland
| | - Bernadeta Szewczyk
- Maj Institute of Pharmacology, Department of Neurobiology, Polish Academy of Sciences, Smętna 12, 31-343 Cracow, Poland
| | - Marcin Siwiec
- Maj Institute of Pharmacology, Department of Physiology, Polish Academy of Sciences, Smętna 12, 31-343 Cracow, Poland
| | - Svitlana Antoniuk
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland; Cellular Neurophysiology, Center of Physiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Matylda Roszkowska
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland
| | - Izabela Figiel
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland
| | - Marta Magnowska
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland
| | - Krzysztof H Olszyński
- Behavior and Metabolism Research Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, Pawinskiego 5, 02-106 Warsaw, Poland
| | - Agnieszka D Wardak
- Behavior and Metabolism Research Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, Pawinskiego 5, 02-106 Warsaw, Poland
| | - Adam Hogendorf
- Maj Institute of Pharmacology, Department of Medicinal Chemistry, Polish Academy of Sciences, Smętna 12, 31-343 Cracow, Poland
| | - Błażej Ruszczycki
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland
| | - Nataliya Gorinski
- Cellular Neurophysiology, Center of Physiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Josephine Labus
- Cellular Neurophysiology, Center of Physiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Tomasz Stępień
- Department of Neuropathology, Institute of Psychiatry and Neurology, Jana III Sobieskiego 9, 02-957 Warsaw, Poland
| | - Sylwia Tarka
- Department of Forensic Medicine, Medical University of Warsaw, Oczki 1, 02-007 Warsaw, Poland
| | - Andrzej J Bojarski
- Maj Institute of Pharmacology, Department of Medicinal Chemistry, Polish Academy of Sciences, Smętna 12, 31-343 Cracow, Poland
| | - Krzysztof Tokarski
- Maj Institute of Pharmacology, Department of Physiology, Polish Academy of Sciences, Smętna 12, 31-343 Cracow, Poland
| | - Robert K Filipkowski
- Behavior and Metabolism Research Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, Pawinskiego 5, 02-106 Warsaw, Poland
| | - Evgeni Ponimaskin
- Cellular Neurophysiology, Center of Physiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Jakub Wlodarczyk
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, 02-093 Warsaw, Poland.
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28
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Knopp RC, Baumann KK, Wilson ML, Banks WA, Erickson MA. Amyloid Beta Pathology Exacerbates Weight Loss and Brain Cytokine Responses following Low-Dose Lipopolysaccharide in Aged Female Tg2576 Mice. Int J Mol Sci 2022; 23:2377. [PMID: 35216491 DOI: 10.3390/ijms23042377] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 02/12/2022] [Indexed: 12/27/2022] Open
Abstract
Systemic inflammation has been implicated in the progression of Alzheimer’s disease (AD); however, less is understood about how existing AD pathology contributes to adverse outcomes following acute inflammatory insults. In the present study, our goal was to determine how AD-associated amyloid beta (Aβ) pathology influences the acute neuroinflammatory and behavioral responses to a moderate systemic inflammatory insult. We treated 16–18-month-old female Tg2576 (Tg) mice, which overproduce human Aβ and develop plaques, and age-matched wild-type (WT) littermate mice with an intraperitoneal injection of 0.33 mg/kg lipopolysaccharide (LPS) or saline. Mice were then evaluated over the next 28 h for sickness/depressive-like behaviors (food intake, weight loss, locomotion, and sucrose preference), systemic inflammation (serum amyloid A, SAA), blood-brain barrier (BBB) disruption, astrogliosis (glial fibrillary acidic protein/GFAP), Aβ, and cytokine levels in the brain. We found that LPS caused a larger reduction in body weight in Tg vs. WT mice, but that other behavioral responses to LPS did not differ by genotype. BBB disruption was not apparent in either genotype following LPS. Concentrations of the systemic inflammatory marker, SAA, in the blood and brain were significantly increased with LPS but did not significantly differ by genotype. GFAP was increased in Tg mice vs. WT but was not significantly affected by LPS in either genotype. Finally, LPS-induced increases of eight cytokines (IL-1β, IL-6, IL-12 (p40), IL-10, IL-17A, MIP-1α/CCL3, MIP-1β/CCL4, and RANTES/CCL5) were found to be significantly higher in Tg mice vs. WT. In summary, our data show that Aβ pathology exacerbates the neuroinflammatory response to LPS and identifies cytokines that are selectively regulated by Aβ. The association of worse neuroinflammation with greater weight loss in Tg mice suggests that Aβ pathology could contribute to poor outcomes following a systemic inflammatory insult.
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Monchaux De Oliveira C, De Smedt-Peyrusse V, Morael J, Vancassel S, Capuron L, Gaudout D, Pourtau L, Castanon N. Prevention of Stress-Induced Depressive-like Behavior by Saffron Extract Is Associated with Modulation of Kynurenine Pathway and Monoamine Neurotransmission. Pharmaceutics 2021; 13:2155. [PMID: 34959434 DOI: 10.3390/pharmaceutics13122155] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/06/2021] [Accepted: 12/09/2021] [Indexed: 12/28/2022] Open
Abstract
Depressive disorders are a major public health concern. Despite currently available treatment options, their prevalence steadily increases, and a high rate of therapeutic failure is often reported, together with important antidepressant-related side effects. This highlights the need to improve existing therapeutic strategies, including by using nutritional interventions. In that context, saffron recently received particular attention for its beneficial effects on mood, although the underlying mechanisms are poorly understood. This study investigated in mice the impact of a saffron extract (Safr’Inside™; 6.25 mg/kg, per os) on acute restraint stress (ARS)-induced depressive-like behavior and related neurobiological alterations, by focusing on hypothalamic–pituitary–adrenal axis, inflammation-related metabolic pathways, and monoaminergic systems, all known to be altered by stress and involved in depressive disorder pathophysiology. When given before stress onset, Safr’Inside administration attenuated ARS-induced depressive-like behavior in the forced swim test. Importantly, it concomitantly reversed several stress-induced monoamine dysregulations and modulated the expression of key enzymes of the kynurenine pathway, likely reducing kynurenine-related neurotoxicity. These results show that saffron pretreatment prevents the development of stress-induced depressive symptoms and improves our understanding about the underlying mechanisms, which is a central issue to validate the therapeutic relevance of nutritional interventions with saffron in depressed patients.
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Branquinho LS, Verdan MH, Dos Santos E, Macorini LFB, Maris RS, Kuraoka-Oliveira AM, Bacha FB, Cardoso CAL, Arena AC, Silva-Filho SE, Kassuya CAL. Toxicological evaluation of ethanolic extract of leaves from Doliocarpus dentatus in Swiss mice. Drug Chem Toxicol 2021; 45:2699-2705. [PMID: 34666582 DOI: 10.1080/01480545.2021.1982638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Doliocarpus dentatus (Dilleniaceae) has been used in folk medicine to treat inflammation and pain; however, studies evaluating its toxicity potential, as well as its effects on anxiety and depression, are scarce. This study investigated the toxicological profile of an ethanolic extract from leaves of D. dentatus (EEDd), and its effects on anxiety and depression models in mice. Male and female mice received either a single dose (500, 1000 or 2000 mg/kg) or repeated doses (75, 150 or 300 mg/kg) of EEDd by oral gavage. During the subacute toxicity assay, behavioral tests were performed on days 4, 14, 21 and 28. No evidence of toxicity was observed in the animals in both acute and subacute tests. However, males treated with the highest dose presented a reduction in the absolute weight of the kidney, an elevation in the AST levels, in addition to an alteration in the urea levels. The treatment did not affect other biochemical parameters, and did not induce any depressive-like behavior. EEDd exhibited low toxicity after single and repeated exposures. Since some analyzed parameters were compromised, further toxicity studies should be carried out.
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Affiliation(s)
| | - Maria Helena Verdan
- Postgraduate Program in Chemistry, Faculty of Exact Sciences and Technology, Federal University of Grande Dourados, Dourados, Brazil
| | | | - Luis Fernando Benitez Macorini
- Faculty of Health Sciences, Federal University of Grande Dourados, Dourados, Brazil.,Faculty of Health Sciences, University Center of Grande Dourados, Dourados, Brazil
| | - Rafael Souza Maris
- Faculty of Health Sciences, Federal University of Grande Dourados, Dourados, Brazil.,Faculty of Health Sciences, University Center of Grande Dourados, Dourados, Brazil
| | | | - Flávia Barbieri Bacha
- Faculty of Exact and Agrarian Sciences, University Center of Grande Dourados, Dourados, Brazil
| | - Claudia Andrea Lima Cardoso
- Postgraduate Program in Chemistry, Faculty of Exact Sciences and Technology, Federal University of Grande Dourados, Dourados, Brazil.,Center of Studies in Natural Resources, State University of Mato Grosso Do Sul, Dourados, Brazil
| | - Arielle Cristina Arena
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, UNESP - Paulista State University, Botucatu, Brazil
| | - Saulo Euclides Silva-Filho
- Pharmaceutical Sciences, Food and Nutrition College, Federal University of Mato Grosso do Sul, Pioneiros, Brazil
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Abramova O, Zorkina Y, Syunyakov T, Zubkov E, Ushakova V, Silantyev A, Soloveva K, Gurina O, Majouga A, Morozova A, Chekhonin V. Brain Metabolic Profile after Intranasal vs. Intraperitoneal Clomipramine Treatment in Rats with Ultrasound Model of Depression. Int J Mol Sci 2021; 22:ijms22179598. [PMID: 34502505 PMCID: PMC8431753 DOI: 10.3390/ijms22179598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 08/26/2021] [Accepted: 09/01/2021] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Molecular mechanisms of depression remain unclear. The brain metabolome after antidepressant therapy is poorly understood and had not been performed for different routes of drug administration before the present study. Rats were exposed to chronic ultrasound stress and treated with intranasal and intraperitoneal clomipramine. We then analyzed 28 metabolites in the frontal cortex and hippocampus. METHODS Rats' behavior was identified in such tests: social interaction, sucrose preference, forced swim, and Morris water maze. Metabolic analysis was performed with liquid chromatography. RESULTS After ultrasound stress pronounced depressive-like behavior, clomipramine had an equally antidepressant effect after intranasal and intraperitoneal administration on behavior. Ultrasound stress contributed to changes of the metabolomic pathways associated with pathophysiology of depression. Clomipramine affected global metabolome in frontal cortex and hippocampus in a different way that depended on the route of administration. Intranasal route was associated with more significant changes of metabolites composition in the frontal cortex compared to the control and ultrasound groups while the intraperitoneal route corresponded with more profound changes in hippocampal metabolome compared to other groups. Since far metabolic processes in the brain can change in many ways depending on different routes of administration, the antidepressant therapy should also be evaluated from this point of view.
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Affiliation(s)
- Olga Abramova
- V. Serbsky National Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (E.Z.); (V.U.); (A.S.); (O.G.); (A.M.); (V.C.)
- Mental-Health Clinic No. 1 Named after N.A. Alekseev, 117152 Moscow, Russia; (T.S.); (K.S.)
| | - Yana Zorkina
- V. Serbsky National Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (E.Z.); (V.U.); (A.S.); (O.G.); (A.M.); (V.C.)
- Mental-Health Clinic No. 1 Named after N.A. Alekseev, 117152 Moscow, Russia; (T.S.); (K.S.)
- Correspondence: ; Tel.: +7-916-588-4851
| | - Timur Syunyakov
- Mental-Health Clinic No. 1 Named after N.A. Alekseev, 117152 Moscow, Russia; (T.S.); (K.S.)
- Federal State Budgetary Institution Research Zakusov Institute of Pharmacology, 125315 Moscow, Russia
| | - Eugene Zubkov
- V. Serbsky National Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (E.Z.); (V.U.); (A.S.); (O.G.); (A.M.); (V.C.)
| | - Valeria Ushakova
- V. Serbsky National Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (E.Z.); (V.U.); (A.S.); (O.G.); (A.M.); (V.C.)
- Mental-Health Clinic No. 1 Named after N.A. Alekseev, 117152 Moscow, Russia; (T.S.); (K.S.)
| | - Artemiy Silantyev
- V. Serbsky National Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (E.Z.); (V.U.); (A.S.); (O.G.); (A.M.); (V.C.)
| | - Kristina Soloveva
- Mental-Health Clinic No. 1 Named after N.A. Alekseev, 117152 Moscow, Russia; (T.S.); (K.S.)
| | - Olga Gurina
- V. Serbsky National Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (E.Z.); (V.U.); (A.S.); (O.G.); (A.M.); (V.C.)
| | - Alexander Majouga
- Drug Delivery Systems Laboratory, D. Mendeleev University of Chemical Technology of Russia, Miusskaya pl. 9, 125047 Moscow, Russia;
| | - Anna Morozova
- V. Serbsky National Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (E.Z.); (V.U.); (A.S.); (O.G.); (A.M.); (V.C.)
- Mental-Health Clinic No. 1 Named after N.A. Alekseev, 117152 Moscow, Russia; (T.S.); (K.S.)
| | - Vladimir Chekhonin
- V. Serbsky National Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (E.Z.); (V.U.); (A.S.); (O.G.); (A.M.); (V.C.)
- Department of Medical Nanobiotechnology, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
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Labaka A, Gómez-Lazaro E, Goñi-Balentziaga O, Pérez-Tejada J, Vegas O, Garmendia L. Venlafaxine reduces the striatal il6/il10 ratio and increases hippocampal GR expression in female mice subjected to chronic social instability stress. Stress 2021; 24:561-571. [PMID: 33769212 DOI: 10.1080/10253890.2021.1895111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Women are twice as likely as men to develop depression and antidepressant treatment is more frequent in females. Moreover, neuroinflammatory changes related to affective disorders differ in accordance with sex. Despite this evidence, female populations have been largely omitted from preclinical experiments studying antidepressants. The aim of this work is to analyze the potential restorative effect of venlafaxine on an animal model of depression. Female CD1 mice were subjected to chronic social instability (CSI) stress for 7 weeks, and were administered venlafaxine during the last 3 weeks of the stress period. Behavioral and physiological parameters were then analyzed. Stressed mice showed a decreased sucrose preference and increased whisking behavior, and had a lower body weight, higher plasma corticosterone levels and increased hypothalamic GR expression. They also had lower levels of 5-HT, 5-HIAA and NA and a higher KYN/TRYP ratio in the hippocampus. Moreover, CSI increased striatal IL-6 mRNA expression levels. Venlafaxine treatment reduced the striatal IL-6/IL-10 ratio and increased hippocampal GR expression, although it did not reverse stress-induced behavioral changes. In conclusion, seven weeks of exposure to CSI produced depressive-like alterations in female mice. The venlafaxine treatment regimen was found to have a modest anti-inflammatory effect in the striatum and increased hippocampal GR mRNA, although it failed to redress stress-induced behavioral disturbances.
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Affiliation(s)
- Ainitze Labaka
- Department of Basic Psychological Processes and their Development, University of the Basque Country UPV/EHU, San Sebastian, Spain
- Department of Nursing II, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, San Sebastian, Spain
| | - Eneritz Gómez-Lazaro
- Department of Basic Psychological Processes and their Development, University of the Basque Country UPV/EHU, San Sebastian, Spain
| | - Olatz Goñi-Balentziaga
- Department of Basic Psychological Processes and their Development, University of the Basque Country UPV/EHU, San Sebastian, Spain
| | - Joana Pérez-Tejada
- Department of Basic Psychological Processes and their Development, University of the Basque Country UPV/EHU, San Sebastian, Spain
- Oncologic Center (Onkologikoa), San Sebastian, Spain
| | - Oscar Vegas
- Department of Basic Psychological Processes and their Development, University of the Basque Country UPV/EHU, San Sebastian, Spain
- Biodonostia Institute, San Sebastian, Spain
| | - Larraitz Garmendia
- Department of Basic Psychological Processes and their Development, University of the Basque Country UPV/EHU, San Sebastian, Spain
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Wu X, Wang J, Song L, Guan Y, Cao C, Cui Y, Zhang Y, Liu C. Catalpol Weakens Depressive-like Behavior in Mice with Streptozotocin-induced Hyperglycemia via PI3K/AKT/Nrf2/HO-1 Signaling Pathway. Neuroscience 2021:S0306-4522(21)00383-3. [PMID: 34358633 DOI: 10.1016/j.neuroscience.2021.07.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 07/25/2021] [Accepted: 07/27/2021] [Indexed: 12/15/2022]
Abstract
Depression has huge social risks of high incidence, disability, and suicide. Its prevalence and harm in people with hyperglycemia are 2-3 times higher than in normal people. However, antidepressants with precise curative effects and clear mechanisms for patients with hyperglycemia are currently lacking. Prescriptions containing Rehmannia glutinosa, a traditional medicinal herb with a wide range of nutritional and medicinal values, are often used as antidepressants in Chinese clinical medicine. Catalpol is one of the main effective compounds of R. glutinosa, with multiple biological activities such as hypoglycemia. Here, the antidepressant effect of catalpol on the pathological state of streptozotocin (STZ)-induced hyperglycemia and the underlying molecular mechanisms were analyzed. Results showed that administering catalpol orally to hyperglycemic mice for 21 consecutive days significantly reversed the abnormalities in tail suspension, forced swimming, and open field tests. Catalpol also reversed the abnormal phosphorylation of phosphoinositide 3-kinase (PI3K) and protein kinase B (AKT) and the abnormal levels of nuclear factor erythroid 2-related factor 2 (Nrf2) protein, heme oxygenase-1 (HO-1), and antioxidants, including superoxide dismutase, glutathione peroxidase, glutathione-s transferase, reduced glutathione, and malondialdehyde in the hippocampus and frontal cortex of STZ-induced hyperglycemic mice. Thus, catalpol attenuates depressive-like behavior in pathological hyperglycemic state, and the antidepressant mechanism could at least be partly attributed to the upregulation of the PI3K/AKT/Nrf2/HO-1 signaling pathway in both brain regions, thus restoring the balance between oxidative and antioxidant damage. These data expanded the scientific understanding of catalpol and provided preclinical experimental evidence for its application.
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Lopatynska-Mazurek M, Komsta L, Gibula-Tarlowska E, Kotlinska JH. Aversive Learning Deficits and Depressive-Like Behaviors Are Accompanied by an Increase in Oxidative Stress in a Rat Model of Fetal Alcohol Spectrum Disorders: The Protective Effect of Rapamycin. Int J Mol Sci 2021; 22:ijms22137083. [PMID: 34209274 PMCID: PMC8268794 DOI: 10.3390/ijms22137083] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 06/26/2021] [Accepted: 06/29/2021] [Indexed: 01/11/2023] Open
Abstract
Fetal alcohol spectrum disorders (FASDs) are one of the most common consequences of ethanol exposure during pregnancy. In adulthood, these disorders can be manifested by learning and memory deficits and depressive-like behavior. Ethanol-induced oxidative stress may be one of the factors that induces FASD development. The mammalian target of the Rapamycin (mTOR) signaling pathway that acts via two distinct multiprotein complexes, mTORC1 and mTORC2, can affect oxidative stress. We investigated whether mTOR-dependent or mTOR-independent mechanisms are engaged in this phenomenon. Thus, Rapamycin—a selective inhibitor of mTORC1, Torin-2—a non-selective mTORC1/mTORC2 inhibitor, and FK-506—a drug that impacts oxidative stress in an mTOR-independent manner were used. Behavioral tests were performed in adult (PND60-65) rats using a passive avoidance (PA) task (aversive learning and memory) and forced swimming test (FST) (depressive-like behaviors). In addition, the biochemical parameters of oxidative stress, such as lipid peroxidation (LPO), as well as apurinic/apyrimidinic (AP)-sites were determined in the hippocampus and prefrontal cortex in adult (PND65) rats. The rat FASD model was induced by intragastric ethanol (5 g/kg/day) administration at postnatal day (PND)4–9 (an equivalent to the third trimester of human pregnancy). All substances (3 mg/kg) were given 30 min before ethanol. Our results show that neonatal ethanol exposure leads to deficits in context-dependent fear learning and depressive-like behavior in adult rats that were associated with increased oxidative stress parameters in the hippocampus and prefrontal cortex. Because these effects were completely reversed by Rapamycin, an mTORC1 inhibitor, this outcome suggests its usefulness as a preventive therapy in disorders connected with prenatal ethanol exposure.
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Affiliation(s)
| | - Lukasz Komsta
- Department of Medicinal Chemistry, Medical University, 20-090 Lublin, Poland;
| | - Ewa Gibula-Tarlowska
- Department of Pharmacology and Pharmacodynamics, Medical University, 20-093 Lublin, Poland; (M.L.-M.); (E.G.-T.)
| | - Jolanta H. Kotlinska
- Department of Pharmacology and Pharmacodynamics, Medical University, 20-093 Lublin, Poland; (M.L.-M.); (E.G.-T.)
- Correspondence: ; Tel.: +81-448-72-55
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Ardianto C, Budiatin AS, Sumartha INB, Nurrahmi N, Rahmadi M, Khotib J. Resveratrol ameliorates physical and psychological stress-induced depressive-like behavior. J Basic Clin Physiol Pharmacol 2021; 32:335-340. [PMID: 34214312 DOI: 10.1515/jbcpp-2020-0437] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 03/08/2021] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Depression is a mental disorder that profoundly affects all aspects of life, but currently, antidepressants have some problems with their effectiveness and side effects. Resveratrol is a compound that has the ability to regulate the hypothalamic-pituitary-adrenal axis. This study aimed to determine resveratrol's effect on physical and psychological stress-induced depressive-like behavior. METHODS Mice were divided into control, physical stress, psychological stress groups. Treatment was conducted with fluvoxamine 20 mg/kg and resveratrol 20, 40, and 80 mg/kg for seven days. The depressive-like state was evaluated using a forced swim test (FST), tail suspension test (TST), and open field test (OFT). RESULTS Physical stress and psychological stress induction increase the immobility time on FST and TST. Besides, there is an increase in time in central on OFT, which indicates an anxiety or mental illness-like behavior. However, the OFT examination on sniffing, rearing, grooming, and crossing behavior did not show a significant difference. Resveratrol 80 mg/kg and fluvoxamine 20 mg/kg were significantly reduced immobility time at TST compared to the physical stress group. While in psychological stress, resveratrol 80 mg/kg tended to decrease immobility time but not significant. A significant increase in time in central duration was seen in the resveratrol 40 mg/kg compared to the psychological stress. Stress induction causes increased amygdala corticotrophin-releasing factor (CRF) mRNA expression. However, neither resveratrol nor fluvoxamine affected amygdala CRF mRNA expression. CONCLUSIONS Resveratrol ameliorates depressive-like behavior induced by physical and psychological stress.
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Affiliation(s)
- Chrismawan Ardianto
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Airlangga, Surabaya, Indonesia
| | - Aniek Setiya Budiatin
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Airlangga, Surabaya, Indonesia
| | - I Nengah Budi Sumartha
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Airlangga, Surabaya, Indonesia
| | - Nurrahmi Nurrahmi
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Airlangga, Surabaya, Indonesia
| | - Mahardian Rahmadi
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Airlangga, Surabaya, Indonesia
| | - Junaidi Khotib
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Airlangga, Surabaya, Indonesia
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Li R, Ma C, Xiong Y, Zhao H, Yang Y, Xue L, Wang B, Xiao T, Chen J, Lei X, Ma B, Zhang J. An Antagonistic Peptide of Gpr1 Ameliorates LPS-Induced Depression through the Hypothalamic-Pituitary-Ovarian Axis. Biomolecules 2021; 11:857. [PMID: 34207497 DOI: 10.3390/biom11060857] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/18/2021] [Accepted: 05/20/2021] [Indexed: 11/23/2022] Open
Abstract
Depression affects the reproductive axis at the hypothalamus and pituitary levels, which has a significant impact on female fertility. It has been reported that G protein-coupled receptor 1 (Gpr1) mRNA is expressed in both the hypothalamus and ovaries. However, it is unclear whether there is a relationship between Gpr1 and depression, and its role in ovarian function is unknown. Here, the expression of Gpr1 was recorded in the hypothalamus of normal female mice, and co-localized with gonadotrophin-releasing hormone (GnRH) and corticotropin-releasing factor (CRF). We established a depression mouse model to evaluate the antidepressant effect of G5, an antagonistic peptide of Gpr1. The results show that an intraperitoneal injection of G5 improves depressant–like behaviors remarkably, including increased sucrose intake in the sucrose preference test and decreased immobility time in the forced swimming tests. Moreover, G5 treatment increased the release of reproductive hormone and the expression of ovarian gene caused by depression. Together, our findings reveal a link between depression and reproductive diseases through Gpr1 signaling, and suggest antagonistic peptide of Gpr1 as a potential therapeutic application for hormone-modulated depression in women.
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Chen HL, Lan YW, Tu MY, Tung YT, Chan MNY, Wu HS, Yen CC, Chen CM. Kefir peptides exhibit antidepressant-like activity in mice through the BDNF/TrkB pathway. J Dairy Sci 2021; 104:6415-6430. [PMID: 33741171 DOI: 10.3168/jds.2020-19222] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 12/03/2020] [Indexed: 01/03/2024]
Abstract
Depression is a prevalent, stress-related mental disorder that can lead to serious psychiatric diseases with morbidity and high mortality. Although some functional fermented dairy drinks have promising anxiolytic and antidepressant effects, the mechanism is still not clear. To determine the antidepressant-like effect and the potential molecule mechanism of kefir peptides (KP), various behavioral tests, including the elevated plus maze test, open field test, forced swimming test, and tail suspension test, were used. Administration of 150 mg/kg KP in mice reduced the duration of immobility in the forced swimming test and tail suspension test, elevated the time spent in the open arm and center zone in the elevated plus maze test, and increased the total distance traveled, average speed, and time spent in the center zone in the open field test compared with the mock group. These results indicated that KP dramatically ameliorated the depression-like behaviors. Kefir peptides were further isolated and identified using high-performance liquid chromatography and liquid chromatography-tandem mass spectrometry, from which 3 peptides were identified and designated KFP-1, KFP-3, and KFP-5. Among these peptides, administration of KFP-3 (15 AA residues) remarkably decreased immobility time in the forced swimming test and increased mobility time in the tail suspension test. Therefore, KFP-3 may be the major active peptide with antidepressant activity in KP. Overexpression of brain-derived neurotrophic factor, phosphorylated tropomyosin receptor kinase B, and phosphorylated ERK1/2 protein levels could be detected in the hippocampus under KP administration. Therefore, we suggest that KP improves depressive-like behaviors by activating the brain-derived neurotrophic factor-phosphorylated tropomyosin receptor kinase B signaling pathway. Kefir peptides may serve as a new type of antidepressant dairy product and may provide potent antidepressant effects for clinical use.
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Affiliation(s)
- Hsiao-Ling Chen
- Department of Biomedical Sciences, Da-Yeh University, Changhwa 515, Taiwan
| | - Ying-Wei Lan
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Min-Yu Tu
- Department of Health Business Administration, Meiho University, Pingtung 912, Taiwan; Aviation Physiology Research Laboratory, Kaohsiung Armed Forces General Hospital Gangshan Branch, Kaohsiung 820, Taiwan; Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Yu-Tang Tung
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei 110, Taiwan
| | - Megan Ning-Yu Chan
- Division of Structural Biology and Biochemistry, Nanyang Technological University, Singapore 639798, Singapore
| | - Hsin-Shan Wu
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Chih-Ching Yen
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; Department of Internal Medicine, China Medical University Hospital, and College of Health Care, China Medical University, Taichung 404, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, and PhD Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan; The iEGG and Animal Biotechnology Center, and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan.
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Morgese MG, Bove M, Francavilla M, Schiavone S, Dimonte S, Colia AL, Bevilacqua M, Trabace L, Tucci P. Sublingual AKBA Exerts Antidepressant Effects in the Aβ-Treated Mouse Model. Biomolecules 2021; 11:686. [PMID: 34063630 DOI: 10.3390/biom11050686] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/28/2021] [Accepted: 04/29/2021] [Indexed: 02/07/2023] Open
Abstract
The 3-O-acetyl-11-keto-β-boswellic acid (AKBA) is the most active compound of Boswellia serrata proposed for treating neurodegenerative disorders, including Alzheimer’s disease (AD), characterized in its early phase by alteration in mood. Accordingly, we have previously demonstrated that an intracerebroventricular injection of soluble amyloid beta 1-42 (Aβ) peptide evokes a depressive-like phenotype in rats. We tested the protective effects of AKBA in the mouse model of an Aβ-induced depressive-like phenotype. We evaluated the depressive-like behavior by using the tail suspension test (TST) and the splash test (ST). Behavioral analyses were accompanied by neurochemical quantifications, such as glutamate (GLU), kynurenine (KYN) and monoamines, and by biochemical measurements, such as glial fibrillary acid protein (GFAP), CD11b and nuclear factor kappa B (NF-kB), in mice prefrontal cortex (PFC) and hippocampus (HIPP). AKBA prevented the depressive-like behaviors induced by Aβ administration, since we recorded a reduction in latency to initiate self-care and total time spent to perform self-care in the ST and reduced time of immobility in the TST. Likewise, the increase in GLU and KYN levels in PFC and HIPP induced by the peptide injection were reverted by AKBA administration, as well as the displayed increase in levels of GFAP and NF-kB in both PFC and HIPP, but not in CD11b. Therefore, AKBA might represent a food supplement suitable as an adjuvant for therapy of depression in early-stage AD.
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Li S, Zhang H, Gao X, Huang H, He W, Zhang H, Sun H. Prenatal stress induced depressive-like behavior and region dependently high CRP level in offspring rats. Brain Behav 2021; 11:e02046. [PMID: 33599398 PMCID: PMC8035444 DOI: 10.1002/brb3.2046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 12/29/2020] [Accepted: 01/11/2021] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION To explore the changes in C-reactive protein (CRP) level in different regions of one old offspring rats exposed to prenatal stress (PS). METHODS The rat model was constructed with prenatal restraint stress on pregnant dams on days 14-20 of gestation. Offspring rats were randomly divided into PS susceptibility (PS-S) group and control (CON) group. Behavioral experiments including sucrose preference test (SPT), open-field test (OFT), and forced swimming test (FST) were used to measure depressive-like behaviors. Immunohistochemistry, qRT-PCR, and Western blotting were applied to detect the changes in CRP level. RESULTS The results showed that PS could cause depressive-like behaviors in all SPT, OFT, and FST. Concomitantly, CRP mRNA and protein expression significantly increased in hippocampus, prefrontal cortex, and hypothalamus in the PS-S group when compared that in the CON group, while no significantly changes in liver, heart, olfactory bulb, striatum, and cerebellum in the PS-S group when compared that in the CON group. CONCLUSION Increasing of CRP expression in hippocampus, prefrontal cortex, and hypothalamus may play a critical role in the mechanism under depressive-like behavior in offspring rats exposed to PS.
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Affiliation(s)
- Shaoning Li
- Department of Emergency, Xi'an Children's Hospital, The Affiliated Children's Hospital of Xi'an Jiaotong University), Xi'an, Shaanxi, P.R. China
| | - Huifang Zhang
- Department of Emergency, Xi'an Children's Hospital, The Affiliated Children's Hospital of Xi'an Jiaotong University), Xi'an, Shaanxi, P.R. China
| | - Xueyun Gao
- School of Public Health, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China
| | - Huimei Huang
- Department of Nephrology, Xi'an Children's Hospital, The Affiliated Children's Hospital of Xi'an Jiaotong University), Xi'an, Shaanxi, P.R. China
| | - Wei He
- Shaanxi Institute for Pediatric Diseases, Xi'an Key Laboratory of Children's Health and Diseases, Xi'an Children's Hospital, The Affiliated Children's Hospital of Xi'an Jiaotong University), Xi'an, Shaanxi, P.R. China
| | - Huiping Zhang
- Shaanxi Institute for Pediatric Diseases, Xi'an Key Laboratory of Children's Health and Diseases, Xi'an Children's Hospital, The Affiliated Children's Hospital of Xi'an Jiaotong University), Xi'an, Shaanxi, P.R. China
| | - Hongli Sun
- Shaanxi Institute for Pediatric Diseases, Xi'an Key Laboratory of Children's Health and Diseases, Xi'an Children's Hospital, The Affiliated Children's Hospital of Xi'an Jiaotong University), Xi'an, Shaanxi, P.R. China
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Sarver DC, Lei X, Wong GW. FAM19A (TAFA): An Emerging Family of Neurokines with Diverse Functions in the Central and Peripheral Nervous System. ACS Chem Neurosci 2021; 12:945-958. [PMID: 33621067 DOI: 10.1021/acschemneuro.0c00757] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Cytokines and chemokines have diverse and pleiotropic functions in peripheral tissues and in the brain. Recent studies uncovered a novel family of neuron-derived secretory proteins, or neurokines, distantly related to chemokines. The FAM19A family comprises five ∼12-15 kDa secretory proteins (FAM19A1-5), also known as TAFA1-5, that are predominantly detected in the central and peripheral nervous system. FAM19A expression in the central nervous system is dynamically regulated during development and in the postnatal brain. As secreted ligands, FAM19A proteins appear to bind to different classes of cell surface receptors (e.g., GPCRs and neurexins). Functional studies using gain- and loss-of-function mouse models established nonredundant roles for each FAM19A family member in regulating diverse physiological processes ranging from locomotor activity and food intake to learning and memory, anxiety- and depressive-like behaviors, social communication, repetitive behaviors, and somatosensory functions. This review summarizes major advances as well as the limitations and knowledge gaps in understanding the regulation and diverse biological functions of this conserved family of neurokines.
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Affiliation(s)
- Dylan C. Sarver
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
| | - Xia Lei
- Department of Biochemistry and Molecular Biology, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - G. William Wong
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
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Monchaux De Oliveira C, Pourtau L, Vancassel S, Pouchieu C, Capuron L, Gaudout D, Castanon N. Saffron Extract-Induced Improvement of Depressive-Like Behavior in Mice Is Associated with Modulation of Monoaminergic Neurotransmission. Nutrients 2021; 13:nu13030904. [PMID: 33799507 PMCID: PMC8001199 DOI: 10.3390/nu13030904] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/01/2021] [Accepted: 03/04/2021] [Indexed: 12/15/2022] Open
Abstract
Depressive disorders represent a major public health concern and display a continuously rising prevalence. Importantly, a large proportion of patients develops aversive side effects and/or does not respond properly to conventional antidepressants. These issues highlight the need to identify further therapeutic strategies, including nutritional approaches using natural plant extracts with known beneficial impacts on health. In that context, growing evidence suggests that saffron could be a particularly promising candidate. This preclinical study aimed therefore to test its antidepressant-like properties in mice and to decipher the underlying mechanisms by focusing on monoaminergic neurotransmission, due to its strong implication in mood disorders. For this purpose, the behavioral and neurobiochemical impact of a saffron extract, Safr’Inside™ (6.5 mg/kg per os) was measured in naïve mice. Saffron extract reduced depressive-like behavior in the forced swim test. This behavioral improvement was associated with neurobiological modifications, particularly changes in serotonergic and dopaminergic neurotransmission, suggesting that Safr’Inside™ may share common targets with conventional pharmacological antidepressants. This study provides useful information on the therapeutic relevance of nutritional interventions with saffron extracts to improve management of mood disorders.
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Affiliation(s)
- Camille Monchaux De Oliveira
- INRAE, Nutrition and Integrative Neurobiology (NutriNeuro), UMR 1286, 33076 Bordeaux, France; (C.M.D.O.); (S.V.); (L.C.)
- Department of Life Science and Health, Nutrition and Integrative Neurobiology (NutriNeuro), Bordeaux University, UMR 1286, 33076 Bordeaux, France
- Activ’Inside, 33750 Beychac-et-Caillau, France; (L.P.); (C.P.); (D.G.)
| | - Line Pourtau
- Activ’Inside, 33750 Beychac-et-Caillau, France; (L.P.); (C.P.); (D.G.)
| | - Sylvie Vancassel
- INRAE, Nutrition and Integrative Neurobiology (NutriNeuro), UMR 1286, 33076 Bordeaux, France; (C.M.D.O.); (S.V.); (L.C.)
- Department of Life Science and Health, Nutrition and Integrative Neurobiology (NutriNeuro), Bordeaux University, UMR 1286, 33076 Bordeaux, France
| | - Camille Pouchieu
- Activ’Inside, 33750 Beychac-et-Caillau, France; (L.P.); (C.P.); (D.G.)
| | - Lucile Capuron
- INRAE, Nutrition and Integrative Neurobiology (NutriNeuro), UMR 1286, 33076 Bordeaux, France; (C.M.D.O.); (S.V.); (L.C.)
- Department of Life Science and Health, Nutrition and Integrative Neurobiology (NutriNeuro), Bordeaux University, UMR 1286, 33076 Bordeaux, France
| | - David Gaudout
- Activ’Inside, 33750 Beychac-et-Caillau, France; (L.P.); (C.P.); (D.G.)
| | - Nathalie Castanon
- INRAE, Nutrition and Integrative Neurobiology (NutriNeuro), UMR 1286, 33076 Bordeaux, France; (C.M.D.O.); (S.V.); (L.C.)
- Department of Life Science and Health, Nutrition and Integrative Neurobiology (NutriNeuro), Bordeaux University, UMR 1286, 33076 Bordeaux, France
- Correspondence: ; Tel.: +33-5-57-57-45-05
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Li Y, Wang X, Chen J, Li Z, Yang P, Qin L. Aberrant Auditory Steady-State Response of Awake Mice Induced by Chronic Interferon-α Treatment. Front Pharmacol 2021; 11:584425. [PMID: 33584262 PMCID: PMC7873645 DOI: 10.3389/fphar.2020.584425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 11/27/2020] [Indexed: 11/25/2022] Open
Abstract
Background: Patients receiving the cytokine immunotherapy of interferon-alpha (IFN-α) frequently present with depression. This is one of the excellent models to explore the action of peripheral cytokine on central nervous system (CNS) and to study the development of depression. The auditory steady-state response (ASSR), electroencephalogram (EEG) oscillations induced by periodic acoustic stimulation, is an effective approach to evaluate the neural function in mental illness including depression. The aim of the present study was to investigate the effect of IFN-α on the cortical ASSR and its correlation with depressive-like behavior. Methods: Chronic electrodes were implanted on the skull over the auditory cortex (AC) of male C57BL/6 mice. The animals were treated with daily injection of IFN-α or saline (vehicle) for three weeks. EEGs were recorded in AC of the same mouse before and after the injection treatment to monitor the changes of ASSR induced by IFN-α. Depressive-like behavior was analyzed in the forced swim test (FST). Immunohistochemical staining was used to examine the status of neuron and glia in the hippocampus and AC. Results: Compared to pretreatment condition, injection of IFN-α significantly reduced the power of 40 Hz ASSR in the mouse AC from the second week. Such a decrease continued to the third week. The immobility times of FST were significantly increased by a 3-week treatment of IFN-α and the immobility time was negatively correlated with the power of 40 Hz ASSR. Astrocytes and microglia in the hippocampus and AC were activated by IFN-α, but the density of neuron was not significantly affected. Conclusion: Our results suggest that EEG measurement of ASSR may be used as a biomarker to monitor the CNS side effects of IFN-α treatment and to search a novel intervention with potential therapeutic implications.
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Affiliation(s)
- Yingzhuo Li
- Department of Physiology, China Medical Univeristy, Shenyang, China
| | - Xuejiao Wang
- Department of Physiology, China Medical Univeristy, Shenyang, China
| | - Jingyu Chen
- Department of Physiology, China Medical Univeristy, Shenyang, China
| | - Zijie Li
- Department of Physiology, China Medical Univeristy, Shenyang, China
| | - Pingting Yang
- Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China
| | - Ling Qin
- Department of Physiology, China Medical Univeristy, Shenyang, China
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Szczepankiewicz D, Celichowski P, Kołodziejski PA, Pruszyńska-Oszmałek E, Sassek M, Zakowicz P, Banach E, Langwiński W, Sakrajda K, Nowakowska J, Socha M, Bukowska-Olech E, Pawlak J, Twarowska-Hauser J, Nogowski L, Rybakowski JK, Szczepankiewicz A. Transcriptome Changes in Three Brain Regions during Chronic Lithium Administration in the Rat Models of Mania and Depression. Int J Mol Sci 2021; 22:1148. [PMID: 33498969 DOI: 10.3390/ijms22031148] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/20/2021] [Accepted: 01/22/2021] [Indexed: 02/06/2023] Open
Abstract
Lithium has been the most important mood stabilizer used for the treatment of bipolar disorder and prophylaxis of manic and depressive episodes. Despite long use in clinical practice, the exact molecular mechanisms of lithium are still not well identified. Previous experimental studies produced inconsistent results due to different duration of lithium treatment and using animals without manic-like or depressive-like symptoms. Therefore, we aimed to analyze the gene expression profile in three brain regions (amygdala, frontal cortex and hippocampus) in the rat model of mania and depression during chronic lithium administration (2 and 4 weeks). Behavioral changes were verified by the forced swim test, open field test and elevated maze test. After the experiment, nucleic acid was extracted from the frontal cortex, hippocampus and amygdala. Gene expression profile was done using SurePrint G3 Rat Gene Expression whole transcriptome microarrays. Data were analyzed using Gene Spring 14.9 software. We found that chronic lithium treatment significantly influenced gene expression profile in both mania and depression models. In manic rats, chronic lithium treatment significantly influenced the expression of the genes enriched in olfactory and taste transduction pathway and long non-coding RNAs in all three brain regions. We report here for the first time that genes regulating olfactory and taste receptor pathways and long non-coding RNAs may be targeted by chronic lithium treatment in the animal model of mania.
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Daugé V, Philippe C, Mariadassou M, Rué O, Martin JC, Rossignol MN, Dourmap N, Svilar L, Tourniaire F, Monnoye M, Jardet D, Bangratz M, Holowacz S, Rabot S, Naudon L. A Probiotic Mixture Induces Anxiolytic- and Antidepressive-Like Effects in Fischer and Maternally Deprived Long Evans Rats. Front Behav Neurosci 2020; 14:581296. [PMID: 33312120 PMCID: PMC7708897 DOI: 10.3389/fnbeh.2020.581296] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 10/20/2020] [Indexed: 12/22/2022] Open
Abstract
A role of the gut microbiota in psychiatric disorders is supported by a growing body of literature. The effects of a probiotic mixture of four bacterial strains were studied in two models of anxiety and depression, naturally stress-sensitive Fischer rats and Long Evans rats subjected to maternal deprivation. Rats chronically received either the probiotic mixture (1.109 CFU/day) or the vehicle. Anxiety- and depressive-like behaviors were evaluated in several tests. Brain monoamine levels and gut RNA expression of tight junction proteins (Tjp) and inflammatory markers were quantified. The gut microbiota was analyzed in feces by 16S rRNA gene sequencing. Untargeted metabolite analysis reflecting primary metabolism was performed in the cecal content and in serum. Fischer rats treated with the probiotic mixture manifested a decrease in anxiety-like behaviors, in the immobility time in the forced swimming test, as well as in levels of dopamine and its major metabolites, and those of serotonin metabolites in the hippocampus and striatum. In maternally deprived Long Evans rats treated with the probiotic mixture, the number of entries into the central area in the open-field test was increased, reflecting an anxiolytic effect. The probiotic mixture increased Tjp1 and decreased Ifnγ mRNA levels in the ileum of maternally deprived rats. In both models, probiotic supplementation changed the proportions of several Operational Taxonomic Units (OTU) in the gut microbiota, and the levels of certain cecal and serum metabolites were correlated with behavioral changes. Chronic administration of the tested probiotic mixture can therefore beneficially affect anxiety- and depressive-like behaviors in rats, possibly owing to changes in the levels of certain metabolites, such as 21-deoxycortisol, and changes in brain monoamines.
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Affiliation(s)
- Valérie Daugé
- Université Paris-Saclay, INRAE, AgroParisTech, CNRS, Micalis Institute, Jouy-en-Josas, France
| | - Catherine Philippe
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - Mahendra Mariadassou
- Université Paris-Saclay, INRAE, BioinfOmics, MIGALE Bioinformatics Facility, Jouy-en-Josas, France
| | - Olivier Rué
- Université Paris-Saclay, INRAE, BioinfOmics, MIGALE Bioinformatics Facility, Jouy-en-Josas, France
| | | | | | - Nathalie Dourmap
- UNIROUEN, UFR Médecine-Pharmacie, Inserm U 1245 Team 4, Rouen, France
| | | | | | - Magali Monnoye
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - Deborah Jardet
- Université Paris-Saclay, INRAE, MaIAGE, Jouy-en-Josas, France
| | | | | | - Sylvie Rabot
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - Laurent Naudon
- Université Paris-Saclay, INRAE, AgroParisTech, CNRS, Micalis Institute, Jouy-en-Josas, France
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Leo A, Nesci V, Tallarico M, Amodio N, Gallo Cantafio EM, De Sarro G, Constanti A, Russo E, Citraro R. IL-6 Receptor Blockade by Tocilizumab Has Anti-absence and Anti-epileptogenic Effects in the WAG/Rij Rat Model of Absence Epilepsy. Neurotherapeutics 2020; 17:2004-2014. [PMID: 32681356 PMCID: PMC7851197 DOI: 10.1007/s13311-020-00893-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Increased expression of interleukin-6 (IL-6) both in cerebrospinal fluid (CSF) and plasma is closely associated with convulsive epilepsy and symptom severity of depression. By comparison, at present, little is known about the role of this cytokine in childhood (non-convulsive) absence epilepsy. The aim of this work was to investigate the potential effects of acute and chronic treatment with tocilizumab (TCZ, 10 and 30 mg/kg/day), on absence seizures, their development, and related psychiatric comorbidity in WAG/Rij rats. It is known that lipopolysaccharide (LPS)-induced changes in inflammatory processes increase absence epileptic activity. In order to study the central effects of TCZ, we investigated whether administration of this anti-IL-6R antibody could modulate the lipopolysaccharide (LPS) or IL-6-evoked changes in absence epileptic activity in WAG/Rij rats. Our results demonstrate that TCZ, at both doses, significantly reduced the development of absence seizures in adult WAG/Rij rats at 6 months of age (1 month after treatment suspension) compared with untreated controls, thus showing disease-modifying effects. Decreased absence seizure development at 6 months of age was also accompanied by reduced comorbid depressive-like behavior, whereas no effects were observed on anxiety-related behavior. Acute treatment with TCZ, at 30 mg/kg, had anti-absence properties lasting ~25 h. The co-administration TCZ with i.c.v. LPS or IL-6 showed that TCZ inhibited the worsening of absence seizures induced by both proinflammatory agents in the WAG/Rij rats, supporting a central anti-inflammatory-like protective action. These results suggest the possible role of IL-6 and consequent neuroinflammation in the epileptogenic process underlying the development and maintenance of absence seizures in WAG/Rij rats. Accordingly, IL-6 signaling could be a promising pharmacological target in absence epilepsy and depressive-like comorbidity.
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MESH Headings
- Animals
- Antibodies, Monoclonal, Humanized/pharmacology
- Antibodies, Monoclonal, Humanized/therapeutic use
- Disease Models, Animal
- Dose-Response Relationship, Drug
- Epilepsy, Absence/drug therapy
- Epilepsy, Absence/genetics
- Epilepsy, Absence/metabolism
- Male
- Rats
- Rats, Transgenic
- Rats, Wistar
- Receptors, Interleukin-6/antagonists & inhibitors
- Receptors, Interleukin-6/metabolism
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Affiliation(s)
- Antonio Leo
- Science of Health Department, School of Medicine and Surgery, Magna Græcia University of Catanzaro, Viale Europa - Germaneto, 88100, Catanzaro, Italy
| | - Valentina Nesci
- Science of Health Department, School of Medicine and Surgery, Magna Græcia University of Catanzaro, Viale Europa - Germaneto, 88100, Catanzaro, Italy
| | - Martina Tallarico
- Science of Health Department, School of Medicine and Surgery, Magna Græcia University of Catanzaro, Viale Europa - Germaneto, 88100, Catanzaro, Italy
| | - Nicola Amodio
- Experimental and Clinical Medicine Department, School of Medicine and Surgery, Magna Græcia University, Catanzaro, Italy
| | - Eugenia M Gallo Cantafio
- Science of Health Department, School of Medicine and Surgery, Magna Græcia University of Catanzaro, Viale Europa - Germaneto, 88100, Catanzaro, Italy
| | - Giovambattista De Sarro
- Science of Health Department, School of Medicine and Surgery, Magna Græcia University of Catanzaro, Viale Europa - Germaneto, 88100, Catanzaro, Italy
| | | | - Emilio Russo
- Science of Health Department, School of Medicine and Surgery, Magna Græcia University of Catanzaro, Viale Europa - Germaneto, 88100, Catanzaro, Italy.
| | - Rita Citraro
- Science of Health Department, School of Medicine and Surgery, Magna Græcia University of Catanzaro, Viale Europa - Germaneto, 88100, Catanzaro, Italy
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46
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Li S, Wang Y, Gao G, Guo X, Zhang Y, Zhang Z, Wang Y, Zhang J, Wang J, Li L, Yang Y, Rong P. Transcutaneous Auricular Vagus Nerve Stimulation at 20 Hz Improves Depression-Like Behaviors and Down-Regulates the Hyperactivity of HPA Axis in Chronic Unpredictable Mild Stress Model Rats. Front Neurosci 2020; 14:680. [PMID: 32765210 PMCID: PMC7378324 DOI: 10.3389/fnins.2020.00680] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 06/03/2020] [Indexed: 01/08/2023] Open
Abstract
Transcutaneous auricular vagus nerve stimulation (taVNS) has gained growing interest as a non-invasive and non-pharmacologic treatment option in various neurological and psychiatric disorders. Animal experiments and clinical trials confirm that taVNS at the auricular concha region has beneficial effects on depression. However, stimulation frequencies are selected empirically, and there is no evidence showing that any frequency is superior to the others. This study explores antidepressant-like effects of three frequencies of taVNS on rats subjected to chronic unpredictable mild stress (CUMS). Sprague-Dawley rats were randomly divided into five groups, i.e., the control, CUMS, 5 Hz-taVNS, 20 Hz-taVNS, and 100 Hz-taVNS groups. The three different frequencies were administered during the 30-min taVNS procedure once a day for 28 consecutive days. Rats exposed to CUMS showed signs of depression-like behaviors, including reduction in sucrose preference and increased immobility time in forced swimming and open field tests as well as significant dysfunction of the hypothalamic-pituitary-adrenal (HPA) axis as detected by plasma corticosterone and adrenocorticotropic hormone concentration. The 28 days’ taVNS sessions with three frequencies elicited quite different consequences. Although 20 Hz taVNS significantly reversed the depression-like behaviors and downregulated the hyperactivity of the HPA axis, neither 5 nor 100 Hz showed any antidepressant-like effect on CUMS-induced rat behavior. Based on these results, we propose that, out of the three frequencies for taVNS intervention on depression, 20 Hz may be the optimized frequency to have a better modulation effect on HPA axis function by activating the auricular vagus nerve.
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Affiliation(s)
- Shaoyuan Li
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yu Wang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Guojian Gao
- China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiao Guo
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yue Zhang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zixuan Zhang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yifei Wang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jinling Zhang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Junying Wang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Liang Li
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yongsheng Yang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Peijing Rong
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
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Mograbi KDM, Suchecki D, da Silva SG, Covolan L, Hamani C. Chronic unpredictable restraint stress increases hippocampal pro-inflammatory cytokines and decreases motivated behavior in rats. Stress 2020; 23:427-436. [PMID: 31928117 DOI: 10.1080/10253890.2020.1712355] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Most chronic stress protocols are too laborious or do not abide by the two main characteristics of the stress concept: uncontrollability and unpredictability. The goal of this study was to establish a simple and reliable model of chronic stress, while maintaining the main features of the concept. Animals were exposed to chronic movement restraint with variable duration (2, 4 or 6 h, in an unpredictable schedule) for 3 weeks and assessed in several physiological and behavioral readouts known to reflect chronic stress states. Body weight, levels of plasma corticosterone, hippocampal pro-and anti-inflammatory cytokines, anxiety-like (novelty suppressed feeding and elevated plus maze) and motivated behaviors (sucrose negative contrast test and forced swim test) were evaluated three days after the end of the chronic protocol. Stressed animals had a lower body weight gain, higher levels of cytokines in the hippocampus, reduced suppression of a low concentration sucrose solution and increased immobility in the forced swim test. Based on these data, we suggest that chronic movement restraint with variable duration may be a suitable and simple protocol for the study of changes induced by chronic stress and for the testing of possible treatments relevant to psychiatry.
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Affiliation(s)
| | - Deborah Suchecki
- Departament of Psychobiology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sérgio Gomes da Silva
- Hospital do Câncer de Muriaé - Fundação Cristiano Varella, Centro Universitário UNIFAMINAS, Muriaé, Brazil
| | - Luciene Covolan
- Departament of Physiology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Clement Hamani
- Division of Neurosurgery, Harquail Centre for Neuromodulation, Sunnybrook Research Institute, University of Toronto, Toronto, Canada
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Zoicas I, Schumacher F, Kleuser B, Reichel M, Gulbins E, Fejtova A, Kornhuber J, Rhein C. The Forebrain-Specific Overexpression of Acid Sphingomyelinase Induces Depressive-Like Symptoms in Mice. Cells 2020; 9:cells9051244. [PMID: 32443534 PMCID: PMC7290754 DOI: 10.3390/cells9051244] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 11/16/2022] Open
Abstract
Human and murine studies identified the lysosomal enzyme acid sphingomyelinase (ASM) as a target for antidepressant therapy and revealed its role in the pathophysiology of major depression. In this study, we generated a mouse model with overexpression of Asm (Asm-tgfb) that is restricted to the forebrain to rule out any systemic effects of Asm overexpression on depressive-like symptoms. The increase in Asm activity was higher in male Asm-tgfb mice than in female Asm-tgfb mice due to the breeding strategy, which allows for the generation of wild-type littermates as appropriate controls. Asm overexpression in the forebrain of male mice resulted in a depressive-like phenotype, whereas in female mice, Asm overexpression resulted in a social anxiogenic-like phenotype. Ceramides in male Asm-tgfb mice were elevated specifically in the dorsal hippocampus. mRNA expression analyses indicated that the increase in Asm activity affected other ceramide-generating pathways, which might help to balance ceramide levels in cortical brain regions. This forebrain-specific mouse model offers a novel tool for dissecting the molecular mechanisms that play a role in the pathophysiology of major depression.
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Affiliation(s)
- Iulia Zoicas
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
| | - Fabian Schumacher
- Department of Toxicology, University of Potsdam, 14558 Nuthetal, Germany; (F.S.); (B.K.)
- Department of Molecular Biology, University of Duisburg-Essen, 45147 Essen, Germany;
| | - Burkhard Kleuser
- Department of Toxicology, University of Potsdam, 14558 Nuthetal, Germany; (F.S.); (B.K.)
| | - Martin Reichel
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
| | - Erich Gulbins
- Department of Molecular Biology, University of Duisburg-Essen, 45147 Essen, Germany;
| | - Anna Fejtova
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
| | - Cosima Rhein
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
- Department of Psychosomatic Medicine and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
- Correspondence: ; Tel.: +49-9131-85-44542
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49
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Wang X, Zhu L, Hu J, Guo R, Ye S, Liu F, Wang D, Zhao Y, Hu A, Wang X, Guo K, Lin L. FGF21 Attenuated LPS-Induced Depressive-Like Behavior via Inhibiting the Inflammatory Pathway. Front Pharmacol 2020; 11:154. [PMID: 32184729 PMCID: PMC7058797 DOI: 10.3389/fphar.2020.00154] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 02/05/2020] [Indexed: 01/12/2023] Open
Abstract
Major depressive disorder is a serious neuropsychiatric disorder with high rates of recurrence and mortality. Many studies have supported that inflammatory processes play a central role in the etiology of depression. Fibroblast growth factor 21 (FGF21), a member of the fibroblast growth factors (FGFs) family, regulates a variety of pharmacological activities, including energy metabolism, glucose and lipid metabolism, and insulin sensitivity. In addition, recent studies showed that the administration of FGF21, a regulator of metabolic function, had therapeutic effects on mood stabilizers, indicating that FGF21 could be a common regulator of the mood response. However, few studies have highlighted the antidepressant effects of FGF21 on lipopolysaccharide (LPS)-induced mice, and the anti-inflammatory mechanism of FGF21 in depression has not yet been elucidated. The purpose of the current study was to determine the antidepressant effects of recombinant human FGF21 (rhFGF21). The effects of rhFGF21 on depression-like behaviors and the inflammatory signaling pathway were investigated in both an LPS-induced mouse model and primary microglia in vitro. The current study demonstrated that LPS induced depressive-like behaviors, upregulated proinflammatory cytokines, and activated microglia in the mouse hippocampus and activated the inflammatory response in primary microglia, while pretreatment with rhFGF21 markedly improved depression-like behavior deficits, as shown by an increase in the total distance traveled and number of standing numbers in the open field test (OFT) and a decrease in the duration of immobility in the tail suspension test (TST) and forced swimming test (FST). Furthermore, rhFGF21 obviously suppressed expression levels of the proinflammatory cytokines interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) and inhibited microglial activation and the nuclear factor-κB (NF-κB) signing pathway. Moreover, coadministration of rhFGF21 with the fibroblast growth factor receptor 1 (FGFR1) inhibitor PD173074 significantly reversed these protective effects, indicating that the antidepressant effects of rhFGF21 occur through FGFR1 activation. Taken together, the results of the current study demonstrated for the first time that exogenous rhFGF21 ameliorated LPS-induced depressive-like behavior by inhibiting microglial expression of proinflammatory cytokines through NF-κB suppression. This new discovery suggests rhFGF21 as a new therapeutic candidate for depression treatment.
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Affiliation(s)
- Xue Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.,Engineering Laboratory of Zhejiang Province for Pharmaceutical Development of Growth Factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou, China
| | - Liyun Zhu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jian Hu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Ruili Guo
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Shasha Ye
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Fei Liu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Dongxue Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yeli Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.,Engineering Laboratory of Zhejiang Province for Pharmaceutical Development of Growth Factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou, China
| | - Aiping Hu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xiaojie Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.,Engineering Laboratory of Zhejiang Province for Pharmaceutical Development of Growth Factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou, China
| | - Kaiming Guo
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Li Lin
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.,Engineering Laboratory of Zhejiang Province for Pharmaceutical Development of Growth Factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou, China
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50
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Castelli V, Lavanco G, Brancato A, Plescia F. Targeting the Stress System During Gestation: Is Early Handling a Protective Strategy for the Offspring? Front Behav Neurosci 2020; 14:9. [PMID: 32082129 PMCID: PMC7006220 DOI: 10.3389/fnbeh.2020.00009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 01/15/2020] [Indexed: 12/28/2022] Open
Abstract
The perinatal window is a critical developmental time when abnormal gestational stimuli may alter the development of the stress system that, in turn, influences behavioral and physiological responses in the newborns. Individual differences in stress reactivity are also determined by variations in maternal care, resulting from environmental manipulations. Despite glucocorticoids are the primary programming factor for the offspring's stress response, therapeutic corticosteroids are commonly used during late gestation to prevent preterm negative outcomes, exposing the offspring to potentially aberrant stress reactivity later in life. Thus, in this study, we investigated the consequences of one daily s.c. injection of corticosterone (25 mg/kg), from gestational day (GD) 14-16, and its interaction with offspring early handling, consisting in a brief 15-min maternal separation until weaning, on: (i) maternal behavior; and (ii) behavioral reactivity, emotional state and depressive-like behavior in the adolescent offspring. Corticosterone plasma levels, under non-shock- and shock-induced conditions, were also assessed. Our results show that gestational exposure to corticosterone was associated with diminished maternal care, impaired behavioral reactivity, increased emotional state and depressive-like behavior in the offspring, associated with an aberrant corticosterone response. The early handling procedure, which resulted in increased maternal care, was able to counteract the detrimental effects induced by gestational corticosterone exposure both in the behavioral- and neurochemical parameters examined. These findings highlight the potentially detrimental consequences of targeting the stress system during pregnancy as a vulnerability factor for the occurrence of emotional and affective distress in the adolescent offspring. Maternal extra-care proves to be a protective strategy that confers resiliency and restores homeostasis.
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Affiliation(s)
- Valentina Castelli
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Gianluca Lavanco
- INSERM U1215, Neuro Centre Magendie, Bordeaux, France.,University of Bordeaux, Bordeaux, France.,Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, Catania, Italy
| | - Anna Brancato
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties "Giuseppe D'Alessandro", University of Palermo, Palermo, Italy
| | - Fulvio Plescia
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties "Giuseppe D'Alessandro", University of Palermo, Palermo, Italy
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