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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; 162:105726. [PMID: 38762128 DOI: 10.1016/j.neubiorev.2024.105726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [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 (≥5 Hz) 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, Erlangen 91054, Germany.
| | - Christiane Licht
- Paracelsus Medical University, Department of Psychiatry and Psychotherapy, Prof.-Ernst-Nathan-Str. 1, Nürnberg 90419, Germany
| | - Christiane Mühle
- Friedrich-Alexander University Erlangen-Nürnberg (FAU), Department of Psychiatry and Psychotherapy, Schwabachanlage 6, Erlangen 91054, Germany
| | - Johannes Kornhuber
- Friedrich-Alexander University Erlangen-Nürnberg (FAU), Department of Psychiatry and Psychotherapy, Schwabachanlage 6, Erlangen 91054, Germany
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2
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Debler RA, Gallegos PL, Ojeda AC, Perttula AM, Lucio A, Chapkin RS, Safe S, Eitan S. TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin) induces depression-like phenotype. Neurotoxicology 2024; 103:71-77. [PMID: 38838945 DOI: 10.1016/j.neuro.2024.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 05/27/2024] [Accepted: 05/31/2024] [Indexed: 06/07/2024]
Abstract
The etiology of major depressive disorder (MDD) remains poorly understood. Our previous studies suggest a role for the aryl hydrocarbon receptor (AhR) in depression. 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is a toxic environmental contaminant, with a high AhR binding affinity, and an established benchmark for assessing AhR activity. Therefore, this study examined the effect of TCDD on depression-like behaviors. Female mice were fed standard chow or a high-fat diet (HFD) for 11 weeks, and their weight was recorded. Subsequently, they were tested for baseline sucrose preference and splash test grooming. Then, TCDD (0.1 µg/kg/day) or vehicle was administered orally for 28 days, and mice were examined for their sucrose preference and performances in the splash test, forced swim test (FST), and Morris water maze (MWM) task. TCDD significantly decreased sucrose preference, increased FST immobility time, and decreased groom time in chow-fed mice. HFD itself significantly reduced sucrose preference. However, TCDD significantly increased FST immobility time and decreased groom time in HFD-fed mice. A small decrease in bodyweight was observed only at the fourth week of daily TCDD administration in chow-fed mice, and no significant effects of TCDD on bodyweights were observed in HFD-fed mice. TCDD did not have a significant effect on spatial learning in the MWM. Thus, this study demonstrated that TCDD induces a depression-like state, and the effects were not due to gross lethal toxicity. This study further suggests that more studies should examine a possible role for AhR and AhR-active environmental pollutants in precipitating or worsening MDD.
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Affiliation(s)
- Roanna A Debler
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Paula L Gallegos
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Alexandra C Ojeda
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Andrea M Perttula
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Ashley Lucio
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Robert S Chapkin
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA
| | - Stephen Safe
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, 4466 TAMU, College Station, TX 77843-4466, USA
| | - Shoshana Eitan
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA.
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Deore R, Ansari R, Awathale SN, Shelke M, Badwaik HR, Goyal SN, Nakhate KT. Lycopene alleviates BCG-induced depressive phenotypes in mice by disrupting 5-HT3 receptor - IDO1 interplay in the brain. Eur J Pharmacol 2024; 977:176707. [PMID: 38830456 DOI: 10.1016/j.ejphar.2024.176707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/20/2024] [Accepted: 05/31/2024] [Indexed: 06/05/2024]
Abstract
The 5-HT3 receptor and indoleamine 2,3-dioxygenase 1 (IDO1) enzyme play a crucial role in the pathogenesis of depression as their activation reduces serotonin contents in the brain. Since molecular docking analysis revealed lycopene as a potent 5-HT3 receptor antagonist and IDO1 inhibitor, we hypothesized that lycopene might disrupt the interplay between the 5-HT3 receptor and IDO1 to mitigate depression. In mice, the depression-like phenotypes were induced by inoculating Bacillus Calmette-Guerin (BCG). Lycopene (intraperitoneal; i.p.) was administered alone or in combination with 5-HT3 receptor antagonist ondansetron (i.p.) or IDO1 inhibitor minocycline (i.p.), and the behavioral screening was performed by the sucrose preference test, open field test, tail suspension test, and splash test which are based on the different principles. Further, the brains were subjected to the biochemical analysis of serotonin and its precursor tryptophan by the HPLC. The results showed depression-like behavior in BCG-inoculated mice, which was reversed by lycopene administration. Moreover, prior treatment with ondansetron or minocycline potentiated the antidepressant action of lycopene. Minocycline pretreatment also enhanced the antidepressant effect of ondansetron indicating the regulation of IDO1 activity by 5-HT3 receptor-triggered signaling. Biochemical analysis of brain samples revealed a drastic reduction in the levels of tryptophan and serotonin in depressed animals, which were restored following treatment with lycopene and its combination with ondansetron or minocycline. Taken together, the data from molecular docking, behavioral experiments, and biochemical estimation suggest that lycopene might block the 5-HT3 receptor and consequently inhibit the activity of IDO1 to ameliorate BCG-induced depression in mice.
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Affiliation(s)
- Rucha Deore
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, 424001, Maharashtra, India
| | - Rashid Ansari
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, 424001, Maharashtra, India
| | - Sanjay N Awathale
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, 424001, Maharashtra, India
| | - Madhav Shelke
- Department of Quality Assurance, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, 424001, Maharashtra, India
| | - Hemant R Badwaik
- Department of Pharmaceutical Chemistry, Shri Shankaracharya Institute of Pharmaceutical Sciences and Research, Bhilai, 490020, Chhattisgarh, India
| | - Sameer N Goyal
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, 424001, Maharashtra, India
| | - Kartik T Nakhate
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, 424001, Maharashtra, India.
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Paiva IHRD, Maciel LM, Silva RSD, Mendonça IP, Souza JRBD, Peixoto CA. Prebiotics modulate the microbiota-gut-brain axis and ameliorate anxiety and depression-like behavior in HFD-fed mice. Food Res Int 2024; 182:114153. [PMID: 38519181 DOI: 10.1016/j.foodres.2024.114153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 02/05/2024] [Accepted: 02/17/2024] [Indexed: 03/24/2024]
Abstract
Previous research has demonstrated that Prebiotics can influence the composition of the gut microbiota, consequently impacting mood regulation. This study aimed to assess the effects of Prebiotics, specifically Fructooligosaccharides (FOS) and Galactooligosaccharides (GOS) on neuroinflammation, depression, and anxiety-like behavior in a mouse model fed a high-fat diet (HFD). Initially, mice were divided into two groups: a control group on a standard diet (n = 15) and a group on an HFD for 18 weeks (n = 45). By the 13th week, the HFD group was further divided into experimental groups: Control (n = 15), HFD (n = 15), HFD receiving Prebiotics (n = 15), and HFD receiving Fluoxetine (n = 15). From the 13th week onward, the HFD + Prebiotics group received both the high-fat diet and a combination of FOS and GOS, while the HFD + Fluoxetine group received Fluoxetine in their drinking water. In the 18th week, all mice underwent tests to evaluate behavior, including the Tail Suspension Test (TST), Forced Swimming Test (FST), Sucrose Preference Test (SPT), and the Plus Maze Test (PMT), after which they were euthanized. Mice on the HFD exhibited increased body weight, abdominal size, blood glucose, triglyceride levels, cholesterol, insulin, HOMA index, and higher serum IL-1β. These obese mice also displayed an increased number of microglia and astrocytes, activation of the TLR4 pathway, and elevated levels of neuroinflammatory markers like TNF-α, IL-1β, and COX-2. Moreover, obese mice showed increased activation of the IDO pathway and decreased levels of NMDA receptors. Additionally, markers of neurogenesis and synaptic plasticity, such as PSD, SAP 102, CREB-p, and BDNF, were lower. Treatment with FOS and GOS reversed symptoms of depression and anxiety in mice subjected to HD. This improvement in behavior resulted from a reduction in dysbiosis with an increase in acetate-producing bacteria (B. acidifaciens and B. dorei) and intestinal permeability, leading to a decrease in chronic peripheral and central inflammation. Furthermore, the modulation of the gut-brain axis by FOS and GOS promoted elevated acetate and GPR43 levels in the brain and a reduction in the levels of pro-inflammatory cytokines, positively impacting signaling pathways of neuronal proliferation and survival in the hippocampus and prefrontal cortex.
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Affiliation(s)
- Igor Henrique Rodrigues de Paiva
- Laboratory of Ultrastructure, Aggeu Magalhães Institute (IAM), PE, Brazil; Postgraduate Program in Biological Sciences/Center of Biosciences, Federal University of Pernambuco (UFPE), Recife, PE, Brazil.
| | - Laís Macedo Maciel
- Laboratory of Ultrastructure, Aggeu Magalhães Institute (IAM), PE, Brazil
| | - Rodrigo Soares da Silva
- Laboratory of Ultrastructure, Aggeu Magalhães Institute (IAM), PE, Brazil; Postgraduate Program in Biological Sciences/Center of Biosciences, Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | - Ingrid Prata Mendonça
- Laboratory of Ultrastructure, Aggeu Magalhães Institute (IAM), PE, Brazil; Postgraduate Program in Biological Sciences/Center of Biosciences, Federal University of Pernambuco (UFPE), Recife, PE, Brazil
| | | | - Christina Alves Peixoto
- Laboratory of Ultrastructure, Aggeu Magalhães Institute (IAM), PE, Brazil; Institute of Science and Technology on Neuroimmunomodulation (INCT-NIM), Brazil.
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5
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Lago MW, Marques LS, Jung JTK, Felipeto V, Nogueira CW. A high salt intake in early life affects stress-coping response in males but not in female rats. Physiol Behav 2024; 277:114498. [PMID: 38367943 DOI: 10.1016/j.physbeh.2024.114498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/23/2024] [Accepted: 02/14/2024] [Indexed: 02/19/2024]
Abstract
Eating diets high in salt has been associated with alterations in the immune system and the potential development of neuropsychiatric disorders. This area of research shows promise, but there is currently a limited amount of research on this topic. The present study investigated whether a high salt diet (HSD) affects anhedonia and stress-coping response behaviors in young male and female Wistar rats. In this study, male and female Wistar rats were fed an HSD (8 % NaCl w/w) from weaning to post-natal day (PND) 64. From PND 60 to 64, the rats underwent a spontaneous locomotor activity test (SLA), sucrose splash test (SST), sucrose preference test (SPT), and forced swim test (FST), followed by euthanasia at PND 65. Male and female rats consuming the HSD exhibited an increase in water intake compared to the corresponding control diet (CD) groups. Male rats had lower body weight despite having similar food intakes compared to the CD group. Male rats displayed an active stress-coping behavior in the FST, characterized by increased mobility. Additionally, HSD-fed males exhibited a greater preference for sucrose solution in the SPT. However, no effect of diet and sex were detected in the SST and the SLA, and hypothalamic levels of leptin and ghrelin receptors. On the other hand, female rats were less susceptible to the experimental conditions applied in this protocol than males.
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Affiliation(s)
- M W Lago
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria - UFSM, Santa Maria, RS, Brazil; Laboratory of Synthesis, Reactivity and Pharmacological and Toxicological Evaluation of Organocalcogens, Center for Natural and Exact Sciences, Federal University of Santa Maria, UFSM, Santa Maria, RS, Brazil
| | - L S Marques
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria - UFSM, Santa Maria, RS, Brazil; Laboratory of Synthesis, Reactivity and Pharmacological and Toxicological Evaluation of Organocalcogens, Center for Natural and Exact Sciences, Federal University of Santa Maria, UFSM, Santa Maria, RS, Brazil
| | - Juliano T K Jung
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria - UFSM, Santa Maria, RS, Brazil; Laboratory of Synthesis, Reactivity and Pharmacological and Toxicological Evaluation of Organocalcogens, Center for Natural and Exact Sciences, Federal University of Santa Maria, UFSM, Santa Maria, RS, Brazil
| | - V Felipeto
- Laboratory of Synthesis, Reactivity and Pharmacological and Toxicological Evaluation of Organocalcogens, Center for Natural and Exact Sciences, Federal University of Santa Maria, UFSM, Santa Maria, RS, Brazil
| | - C W Nogueira
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria - UFSM, Santa Maria, RS, Brazil; Laboratory of Synthesis, Reactivity and Pharmacological and Toxicological Evaluation of Organocalcogens, Center for Natural and Exact Sciences, Federal University of Santa Maria, UFSM, Santa Maria, RS, Brazil.
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6
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Somelar-Duracz K, Jürgenson M, Viil J, Zharkovsky A, Jaako K. 'Unpredictable chronic mild stress does not exacerbate memory impairment or altered neuronal and glial plasticity in the hippocampus of middle-aged vitamin D deficient mice'. Eur J Neurosci 2024; 59:1696-1722. [PMID: 38269959 DOI: 10.1111/ejn.16256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 12/10/2023] [Accepted: 01/02/2024] [Indexed: 01/26/2024]
Abstract
Vitamin D deficiency is a worldwide health concern, especially in the elderly population. Much remains unknown about the relationship between vitamin D deficiency (VDD), stress-induced cognitive dysfunctions and depressive-like behaviour. In this study, 4-month-old male C57Bl/6J mice were fed with control or vitamin D free diet for 6 months, followed by unpredictable chronic stress (UCMS) for 8 weeks. VDD induced cognitive impairment and reduced grooming behaviour, but did not induce depressive-like behaviour. While UCMS in vitamin D sufficient mice induced expected depressive-like phenotype and impairments in the contextual fear memory, chronic stress did not manifest as an additional risk factor for memory impairments and depressive-like behaviour in VDD mice. In fact, UCMS restored self-care behaviour in VDD mice. At the histopathological level, VDD mice exhibited cell loss in the granule cell layer, reduced survival of newly generated cells, accompanied with an increased number of apoptotic cells and alterations in glial morphology in the hippocampus; however, these effects were not exacerbated by UCMS. Interestingly, UCMS reversed VDD induced loss of microglial cells. Moreover, tyrosine hydroxylase levels decreased in the striatum of VDD mice, but not in stressed VDD mice. These findings indicate that long-term VDD in adulthood impairs cognition but does not augment behavioural response to UCMS in middle-aged mice. While VDD caused cell loss and altered glial response in the DG of the hippocampus, these effects were not exacerbated by UCMS and could contribute to mechanisms regulating altered stress response.
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Affiliation(s)
- Kelli Somelar-Duracz
- Institute of Biomedicine and Translational Medicine, Department of Pharmacology, University of Tartu, Tartu, Estonia
| | - Monika Jürgenson
- Institute of Biomedicine and Translational Medicine, Department of Pharmacology, University of Tartu, Tartu, Estonia
| | - Janeli Viil
- Institute of Biomedicine and Translational Medicine, Department of Pharmacology, University of Tartu, Tartu, Estonia
| | - Alexander Zharkovsky
- Institute of Biomedicine and Translational Medicine, Department of Pharmacology, University of Tartu, Tartu, Estonia
| | - Külli Jaako
- Institute of Biomedicine and Translational Medicine, Department of Pharmacology, University of Tartu, Tartu, Estonia
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7
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Haj-Khlifa A, Aziz F, Tastift MA, Sellami S, Rais H, Hammoud M, Fdil N, Kissani N, Gamrani H, Bouyatas MM. Ameliorative effect of Ononis natrix against chronic lead poisoning in mice: neurobehavioral, biochemical, and histological study. Biol Trace Elem Res 2024:10.1007/s12011-024-04142-3. [PMID: 38472511 DOI: 10.1007/s12011-024-04142-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 03/04/2024] [Indexed: 03/14/2024]
Abstract
Lead (Pb) is one of the most common heavy metals with toxicological effects on many tissues in humans as well as animals. In order to counteract the toxic effects of this metal, the administration of synthetic or natural antioxidants is thus required. The aim of this study was to examine the beneficial effect of the aqueous extract of Ononis natrix (AEON) against lead acetate-induced damage from a behavioral, biochemical, and histological point of view. Forty-eight male mice were divided into four equal groups: Ctr (control); Pb (lead acetate 1g/l); Pb + On 100 mg/kg (lead acetate 1 g/l + AEON 100 mg/kg); Pb + On 500 mg/kg (lead acetate 1 g/l + AEON 500 mg/kg). AEON was administered orally from day 21 after the start of lead exposure up to the end of the experiment. The results revealed that lead induced behavioral disorders, increased serum levels of liver markers (AST, ALT, and bilirubin), as well as kidney markers (urea and creatinine). At the same time, levels of thiobarbituric acid reactive substances (TBARS) and glutathione peroxidase (GPx) increased significantly. Moreover, Pb caused structural changes in the liver and kidneys of Pb-exposed mice. However, AEON administration significantly improved all lead-induced brain, liver, and kidney dysfunctions. Our results suggest that AEON could be a source of molecules with therapeutic potential against brain, liver, and kidney abnormalities caused by lead exposure.
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Affiliation(s)
- Asmaa Haj-Khlifa
- Neuroscience, Pharmacology and Environment Unit (ENPE), Departement of Biology, Faculty of Sciences Semlalia,, Cadi Ayyad University, 40000, Marrakech, Morocco
- Laboratory of Clinical and Experimental Neurosciences and Environment, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech, Morocco
| | - Faissal Aziz
- Laboratory of Water, Biodiversity, and Climate Change, Faculty of Sciences Semlalia, Cadi Ayyad University, 2390, 40000, Marrakech, BP, Morocco
| | - Maroua Ait Tastift
- Laboratory of Agri-Food, Biotechnology, and Valorization of Plant Resources, Phytochemistry and Pharmacology of Medicinal Plants Unit, Faculty of Sciences Semlalia, Cadi Ayyad University, Avenue Prince Moulay Abdellah, 40000, Marrakech, BP 2390, Morocco
| | | | - Hanane Rais
- Mohammed VI University Hospital, Marrakech, Morocco
- Laboratory of Immunohistochemistry, Anatomic Pathology Department, University Hospital Center (CHU) Mohammed VI, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech, Morocco
| | - Miloud Hammoud
- Metabolics Platform, Biochemistry Laboratory, Faculty of Medicine, Cadi Ayyad University, Sidi Abbad, 40000, Marrakech, BP, Morocco
| | - Naima Fdil
- Metabolics Platform, Biochemistry Laboratory, Faculty of Medicine, Cadi Ayyad University, Sidi Abbad, 40000, Marrakech, BP, Morocco
| | - Najib Kissani
- Laboratory of Clinical and Experimental Neurosciences and Environment, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech, Morocco
| | - Halima Gamrani
- Neuroscience, Pharmacology and Environment Unit (ENPE), Departement of Biology, Faculty of Sciences Semlalia,, Cadi Ayyad University, 40000, Marrakech, Morocco.
- Laboratory of Clinical and Experimental Neurosciences and Environment, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech, Morocco.
| | - Moulay Mustapha Bouyatas
- Neuroscience, Pharmacology and Environment Unit (ENPE), Departement of Biology, Faculty of Sciences Semlalia,, Cadi Ayyad University, 40000, Marrakech, Morocco.
- Department of Biology, Polydisciplinary Faculty of Safi, Cadi Ayyad University, Safi, Morocco.
- Laboratory of Clinical and Experimental Neurosciences and Environment, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech, Morocco.
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8
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Çalışkan H, Karakaya D, Koçak S, Ömercioğlu G, Baştuğ M. Effect of high-intensity interval training on self-care and anxiety-like behaviors in naive rats. Exp Brain Res 2024:10.1007/s00221-024-06793-z. [PMID: 38451318 DOI: 10.1007/s00221-024-06793-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 01/23/2024] [Indexed: 03/08/2024]
Abstract
Self-care behavior covers individual's health, life and well-being to maintain the necessary activities. The aim of this study is to examine the self-care and possible anxiolytic effects of high-intensity interval exercise (HIIT). Eight-week-old Wistar Albino male rats were divided into Control (n = 8), and Exercise (n = 8). Rat exercised for 38 min a day, 5 days a week, for 8 weeks The animals were then subjected to open field test and splash test, and the behaviors were video recorded. Student t test and Shapiro-Wilk test were used as statistical tests. In the exercise group, spray-induced grooming behavior increased significantly in terms of duration and frequency (p < 0.05), but no significant difference was observed in the latency of grooming (p > 0.05). In the open-field test, the total distance traveled, which is a locomotor activity parameter, did not change between the groups. Anxiolytic-like behaviors such as total rearing behavior, unsupported rearing, central time, and central region entries increased remarkably in the exercise group vs. control (p < 0.0001). Freezing as an anxiogenic behavior decreased in the exercise group positively (p < 0.0001). Intermittent high-intensity exercise improved and increased self-care behaviors. Further, the present study shows that HIIT has beneficial effects on different aspects of behaviors such as exploratory behaviors, increasing anxiolytic behaviors, and reducing anxiogenic behavior. The present study is a preclinical study that will pave the way for new studies.
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Affiliation(s)
- Hasan Çalışkan
- Department of Physiology, Balıkesir University Medicine Faculty, Balıkesir, Turkey.
| | - Dilara Karakaya
- Department of Physiology, Ankara University Medicine Faculty, Ankara, Turkey
| | - Seda Koçak
- Department of Physiology, Kırşehir Ahi Evran University Medicine Faculty, Kırşehir, Turkey
| | - Göktuğ Ömercioğlu
- Department of Physiology, Ankara University Medicine Faculty, Ankara, Turkey
| | - Metin Baştuğ
- Department of Physiology, Ankara University Medicine Faculty, Ankara, Turkey
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9
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Medina-Saldivar C, Cruz-Visalaya S, Zevallos-Arias A, Pardo GVE, Pacheco-Otálora LF. Differential effect of chronic mild stress on anxiety and depressive-like behaviors in three strains of male and female laboratory mice. Behav Brain Res 2024; 460:114829. [PMID: 38141784 DOI: 10.1016/j.bbr.2023.114829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 12/07/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
Major depressive disorder is the most common psychiatric disorder worldwide. To understand mechanisms and search for new approaches to treating depression, animal models are crucial. Chronic mild stress (CMS) is the most used animal model of depression. Although CMS is considered a robust model of depression, conflicting results have been reported for emotion-related behaviors, which the intrinsic characteristics of each rodent strain could explain. To further shed light on the impact of genetic background on the relevant parameters commonly addressed in depression, we examined the effect of 4-weeks CMS on anxiety and depression-related behaviors and body weight gain in three strain mice (BALB/c, C57BL/6, and CD1) of both sexes. CMS reduced body weight gain in C57BL/6NCrl and CD1 male mice. C57BL/6 animals exhibited a more pronounced anxious-like behavior than CD1 and BALB/c mice in the light-dark box (LDB) and the elevated plus maze (EPM) tests, whereas BALB/c animals exhibited the more robust depressive-like phenotype in the splash test (ST), tail suspension test (TST) and forced-swimming test (FST). Under CMS, exposure did not affect anxiety-related behaviors in any strain but induced depression-like behaviors strain-dependently. CMS C57BL/6 and CD1 mice of both sexes showed depression-like behaviors, and CMS BALB/c male mice exhibited reduced depressive behaviors in the FST. These results suggest a differential effect of stress, with the C57BL/6 strain being more vulnerable to stress than the CD1 and BALB/c strain mice. Furthermore, our findings emphasize the need for researchers to consider mouse strains and behavioral tests in their CMS experimental designs.
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Affiliation(s)
- Carlos Medina-Saldivar
- Laboratorio de Investigación en Neurociencia, Instituto Científico, Universidad Andina del Cusco, Cuzco, Peru
| | - Sergio Cruz-Visalaya
- Laboratorio de Investigación en Neurociencia, Instituto Científico, Universidad Andina del Cusco, Cuzco, Peru
| | - Anzu Zevallos-Arias
- Laboratorio de Investigación en Neurociencia, Instituto Científico, Universidad Andina del Cusco, Cuzco, Peru
| | - Grace V E Pardo
- Laboratorio de Investigación en Neurociencia, Instituto Científico, Universidad Andina del Cusco, Cuzco, Peru.
| | - Luis F Pacheco-Otálora
- Laboratorio de Investigación en Neurociencia, Instituto Científico, Universidad Andina del Cusco, Cuzco, Peru
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10
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Fawzi SF, Michel HE, Menze ET, Tadros MG, George MY. Clotrimazole ameliorates chronic mild stress-induced depressive-like behavior in rats; crosstalk between the HPA, NLRP3 inflammasome, and Wnt/β-catenin pathways. Int Immunopharmacol 2024; 127:111354. [PMID: 38103406 DOI: 10.1016/j.intimp.2023.111354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/19/2023]
Abstract
Depression is a major emotional disorder that has a detrimental effect on quality of life. The chronic mild stress (CMS)-depression model was adopted in rats to evaluate the neurotherapeutic effect of Clotrimazole (CLO) and investigate the possible mechanisms of its antidepressant action via its impact on the hypothalamic pituitary adrenal (HPA) axis and the stress hormone, cortisol. It was found that azole antifungals affect steroidogenesis and the HPA axis. Behavioral, histopathological, inflammatory, and apoptotic pathways were assessed. Serum cortisol, inflammasome biomarkers, hippocampal NLRP3, caspase-1, and IL-18, and the canonical Wnt/β-catenin neurogenesis biomarkers, Wnt3a, and non-phosphorylated β-catenin levels were also determined. Different stressors were applied for 28 days to produce depressive-like symptoms, and CLO was administered at a daily dose of 30 mg/kg body weight. Subsequently, behavioral and biochemical tests were carried out to assess the depressive-like phenotype in rats. Stressed rats showed increased immobility time in the forced swimming test (FST), decreased grooming time in the splash test (ST), increased serum cortisol levels, increased inflammasome biomarkers, and decreased neurogenesis. However, administration of CLO produced significant antidepressant-like effects in rats, which were accompanied by a significant decrease in immobility time in FST, an increase in grooming time in ST, a decrease in serum cortisol level, a decrease in inflammasome biomarkers, and an increase in neurogenesis biomarkers. The antidepressant mechanism of CLO involves the HPA axis and the anti-inflammatory effect, followed by neurogenesis pathway activation. Therefore, CLO may have the potential to be a novel antidepressant candidate.
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Affiliation(s)
- Sylvia F Fawzi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Badr University in Cairo (BUC), Cairo, Egypt
| | - Haidy E Michel
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt
| | - Esther T Menze
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt
| | - Mariane G Tadros
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt
| | - Mina Y George
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt.
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Szalanczy AM, Fitzpatrick M, Beeson A, Bui T, Dyson C, Eller S, Landry J, Scott C, Grzybowski M, Klotz J, Geurts AM, Weiner JL, Redei EE, Solberg Woods LC. Chronic stress from adolescence to adulthood increases adiposity and anxiety in rats with decreased expression of Krtcap3. Front Genet 2024; 14:1247232. [PMID: 38323241 PMCID: PMC10844407 DOI: 10.3389/fgene.2023.1247232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 12/21/2023] [Indexed: 02/08/2024] Open
Abstract
We previously identified Keratinocyte-associated protein 3, Krtcap3, as a novel adiposity gene, but subsequently found that its impact on adiposity may depend on environmental stress. To more thoroughly understand the connection between Krtcap3, adiposity, and stress, we exposed wild-type (WT) and Krtcap3 knock-out (KO) rats to chronic stress then measured adiposity and behavioral outcomes. We found that KO rats displayed lower basal stress than WT rats under control conditions and exhibited metabolic and behavioral responses to chronic stress exposure. Specifically, stress-exposed KO rats gained more weight, consumed more food when socially isolated, and displayed more anxiety-like behaviors relative to control KO rats. Meanwhile, there were minimal differences between control and stressed WT rats. At study conclusion stress-exposed KO rats had increased corticosterone (CORT) relative to control KO rats with no differences between WT rats. In addition, KO rats, independent of prior stress exposure, had an increased CORT response to removal of their cage-mate (psychosocial stress), which was only seen in WT rats when exposed to chronic stress. Finally, we found differences in expression of the glucocorticoid receptor, Nr3c1, in the pituitary and colon between control and stress-exposed KO rats that were not present in WT rats. These data support that Krtcap3 expression affects stress response, potentially via interactions with Nr3c1, with downstream effects on adiposity and behavior. Future work is necessary to more thoroughly understand the role of Krtcap3 in the stress response.
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Affiliation(s)
- Alexandria M. Szalanczy
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Mackenzie Fitzpatrick
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Angela Beeson
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Trangdai Bui
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Christina Dyson
- Department of Physiology and Pharmacology, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Seth Eller
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Julia Landry
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Christina Scott
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Michael Grzybowski
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Jason Klotz
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Aron M. Geurts
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Jeff L. Weiner
- Department of Physiology and Pharmacology, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Eva E. Redei
- Department of Psychiatry and Behavioral Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Leah C. Solberg Woods
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
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12
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McCready RG, Gilley KR, Kusumo LE, Hall GM, Vichaya EG. Chronic Stress Exacerbates Hyperglycemia-Induced Affective Symptoms in Male Mice. Neuroimmunomodulation 2023; 30:302-314. [PMID: 37852199 PMCID: PMC10641805 DOI: 10.1159/000534669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 10/16/2023] [Indexed: 10/20/2023] Open
Abstract
INTRODUCTION Among chronically ill populations, affective disorders remain underdiagnosed and undertreated. A high degree of comorbidity exists between diabetes and affective disorders, particularly depression and anxiety. The mechanisms underlying stress-induced affective dysregulation are likely distinct from those induced by diabetes. A direct comparison between stress- and hyperglycemia-induced affective dysregulation could provide insight into distinct mechanistic targets for depression/anxiety associated with these different conditions. METHODS To this end, the present study used male C57BL/6J mice to compare the independent and combined behavioral and neuroinflammatory effects of two models: (1) unpredictable chronic mild stress and (2) pharmacologically induced hyperglycemia. RESULTS Streptozotocin-induced hyperglycemia was associated with a set of behavioral changes reflective of the neurovegetative symptoms of depression (i.e., reduced open field activity, reduced grooming, increased immobility in the forced swim task, and decreased marble burying), increased hippocampal Bdnf and Tnf expression, and elevations in frontal cortex Il1b expression. Our chronic stress protocol produced alterations in anxiety-like behavior and decreased frontal cortex Il1b expression. DISCUSSION While the combination of chronic stress and hyperglycemia produced limited additive effects, their combination exacerbated total symptom burden. Overall, the data indicate that stress and hyperglycemia induce different symptom profiles via distinct mechanisms.
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Affiliation(s)
- Riley G McCready
- Department of Psychology and Neuroscience, Baylor University, Waco, Texas, USA
| | - Kayla R Gilley
- Department of Psychology and Neuroscience, Baylor University, Waco, Texas, USA
| | - Laura E Kusumo
- Department of Psychology and Neuroscience, Baylor University, Waco, Texas, USA
| | - Grace M Hall
- Department of Psychology and Neuroscience, Baylor University, Waco, Texas, USA
| | - Elisabeth G Vichaya
- Department of Psychology and Neuroscience, Baylor University, Waco, Texas, USA
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13
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Bonsale R, Infantino R, Perrone M, Marabese I, Ricciardi F, Fusco A, Teweldemedhin MM, Boccella S, Guida F, Rinaldi B. The long-term exercise after traumatic brain injury: Reharmonizing brain by sound body. Brain Res 2023; 1816:148471. [PMID: 37356701 DOI: 10.1016/j.brainres.2023.148471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/15/2023] [Accepted: 06/21/2023] [Indexed: 06/27/2023]
Abstract
Traumatic brain injuries (TBI) refer to multiple acquired dysfunctions arising from damage to the brain caused by an external force, including rapid acceleration/deceleration and concussion. Among them, mild TBI (mTBI) accounts for most cases (up to 90%) of injuries. It is responsible for a variety of symptoms, including anxiety, depression, and cognitive impairments that remain difficult to be treated. It has been reported that regular physical activity, as well as, improving life quality, display a neuroprotective function, suggesting a possible role in post-traumatic rehabilitation. In this study, we investigated the effects of treadmill exercise in a mice mTBI model by behavioural, electrophysiological and neurochemical analysis. Daily exercise decreased anxiety, aggressive behavior, and depression in mTBI mice. Accordingly, electrophysiological and neurochemical maladaptive rearrangement occurring in the hippocampus of mTBI mice were prevented by the exercise.
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Affiliation(s)
- Roozbe Bonsale
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Rosmara Infantino
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Michela Perrone
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Ida Marabese
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Federica Ricciardi
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Antimo Fusco
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Milena Melake Teweldemedhin
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Serena Boccella
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Francesca Guida
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Barbara Rinaldi
- Department of Experimental Medicine, Division of Pharmacology, University of Campania "L. Vanvitelli", Naples, Italy.
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14
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Meneses-San Juan D, Lamas M, Ramírez-Rodríguez GB. Repetitive Transcranial Magnetic Stimulation Reduces Depressive-like Behaviors, Modifies Dendritic Plasticity, and Generates Global Epigenetic Changes in the Frontal Cortex and Hippocampus in a Rodent Model of Chronic Stress. Cells 2023; 12:2062. [PMID: 37626872 PMCID: PMC10453847 DOI: 10.3390/cells12162062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/19/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
Depression is the most common affective disorder worldwide, accounting for 4.4% of the global population, a figure that could increase in the coming decades. In depression, there exists a reduction in the availability of dendritic spines in the frontal cortex (FC) and hippocampus (Hp). In addition, histone modification and DNA methylation are also dysregulated epigenetic mechanisms in depression. Repetitive transcranial magnetic stimulation (rTMS) is a technique that is used to treat depression. However, the epigenetic mechanisms of its therapeutic effect are still not known. Therefore, in this study, we evaluated the antidepressant effect of 5 Hz rTMS and examined its effect on dendritic remodeling, immunoreactivity of synapse proteins, histone modification, and DNA methylation in the FC and Hp in a model of chronic mild stress. Our data indicated that stress generated depressive-like behaviors and that rTMS reverses this effect, romotes the formation of dendritic spines, and favors the presynaptic connection in the FC and DG (dentate gyrus), in addition to increasing histone H3 trimethylation and DNA methylation. These results suggest that the antidepressant effect of rTMS is associated with dendritic remodeling, which is probably regulated by epigenetic mechanisms. These data are a first approximation of the impact of rTMS at the epigenetic level in the context of depression. Therefore, it is necessary to analyze in future studies as to which genes are regulated by these mechanisms, and how they are associated with the neuroplastic modifications promoted by rTMS.
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Affiliation(s)
- David Meneses-San Juan
- National Institute of Psychiatry “Ramón de la Fuente Muñiz”, Mexico City 14370, Mexico;
- Center of Research and Advanced Studies of the National Polytechnic Institute, Mexico City 07360, Mexico;
| | - Mónica Lamas
- Center of Research and Advanced Studies of the National Polytechnic Institute, Mexico City 07360, Mexico;
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15
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Cruz KLO, Salla DH, Oliveira MP, Silva LE, Vedova LMD, Mendes TF, Bressan CBC, Silva MR, Santos SML, Soares HJ, Mendes RL, Vernke CN, Silva MG, Laurentino AOM, Medeiros FD, Vilela TC, Lemos I, Bitencourt RM, Réus GZ, Streck EL, Mello AH, Rezin GT. Energy metabolism and behavioral parameters in female mice subjected to obesity and offspring deprivation stress. Behav Brain Res 2023; 451:114526. [PMID: 37271313 DOI: 10.1016/j.bbr.2023.114526] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/20/2023] [Accepted: 06/01/2023] [Indexed: 06/06/2023]
Abstract
This study aimed to evaluate the behavioral and energy metabolism parameters in female mice subjected to obesity and offspring deprivation (OD) stress. Eighty female Swiss mice, 40 days old, were weighed and divided into two groups: Control group (control diet, n = 40) and Obese group (high-fat diet, n = 40), for induction of the animal model of obesity, the protocol was based on the consumption of a high-fat diet and lasted 8 weeks. Subsequently, the females were subjected to pregnancy, after the birth of the offspring, were divided again into the following groups (n = 20): Control non-deprived (ND), Control + OD, Obese ND, and Obese + OD, for induction of the stress protocol by OD. After the offspring were 21 days old, weaning was performed and the dams were subjected to behavioral tests. The animals were humanely sacrificed, the brain was removed, and brain structures were isolated to assess energy metabolism. Both obesity and OD led to anhedonia in the dams. It was shown that the structures most affected by obesity and OD are the hypothalamus and hippocampus, as evidenced by the mitochondrial dysfunction found in these structures. When analyzing the groups separately, it was observed that OD led to more pronounced mitochondrial damage; however, the association of obesity with OD, as well as obesity alone, also generated damage. Thus, it is concluded that obesity and OD lead to anhedonia in animals and to mitochondrial dysfunction in the hypothalamus and hippocampus, which may lead to losses in feeding control and cognition of the dams.
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Affiliation(s)
- Kenia L O Cruz
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Daniele H Salla
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Mariana P Oliveira
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Larissa E Silva
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil.
| | - Larissa M D Vedova
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Talita F Mendes
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Catarina B C Bressan
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Mariella R Silva
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Sheila M L Santos
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Hevylin J Soares
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Rayane L Mendes
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Camila N Vernke
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Marina G Silva
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Ana O M Laurentino
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Fabiana D Medeiros
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Thais C Vilela
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Isabela Lemos
- Laboratory of Experimental Neurology, Postgraduate Program in Health Sciences, University of the Extreme South of Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Rafael M Bitencourt
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
| | - Gislaine Z Réus
- Translational Psychiatry Laboratory, Postgraduate Program in Health Sciences, University of the Extreme South of Santa Catarina (UNESC), Criciúma, Brazil
| | - Emilio L Streck
- Laboratory of Experimental Neurology, Postgraduate Program in Health Sciences, University of the Extreme South of Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Aline H Mello
- Department of Pediatrics, The University of Texas Medical Branch, Galveston, TX, USA
| | - Gislaine T Rezin
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina (UNISUL), Tubarão, Brazil
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16
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Debler RA, Madison CA, Hillbrick L, Gallegos P, Safe S, Chapkin RS, Eitan S. Selective aryl hydrocarbon receptor modulators can act as antidepressants in obese female mice. J Affect Disord 2023; 333:409-419. [PMID: 37084978 PMCID: PMC10561895 DOI: 10.1016/j.jad.2023.04.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/27/2023] [Accepted: 04/14/2023] [Indexed: 04/23/2023]
Abstract
BACKGROUND Obese females are more likely to suffer from depression and are also more likely to be resistant to current medications. This study examined the potential antidepressant-like effects of 1,4-dihydroxy-2-napthoic acid (DHNA), a selective aryl hydrocarbon receptor modulator (SAhRM), in obese female mice. METHODS Obesity was established by feeding C57BL/6N female mice a high fat diet (HFD) for 9-10 weeks. Subsequently, mice were subjected to unpredictable chronic mild stress (UCMS) or remained unstressed. Daily administration of vehicle or 20 mg/kg DHNA began three weeks prior or on the third week of UCMS. Mice were examined for depression-like behaviors (sucrose preference, forced swim test (FST), splash and tape groom tests), anxiety (open-field test, light/dark test, novelty-induced hypophagia), and cognition (object location recognition, novel object recognition, Morris water maze). RESULTS UCMS did not alter, and DHNA slightly increased, weight gain in HFD-fed females. HFD decreased sucrose preference, increased FST immobility time, but did not alter splash and tape tests' grooming time. UCMS did not have additional effects on sucrose preference. UCMS further increased FST immobility time and decreased splash and tape tests' grooming time; these effects were prevented and reversed by DHNA treatment. HFD did not affect behaviors in the cognitive tests. UCMS impaired spatial learning; this effect was not prevented nor reversed by DHNA. CONCLUSIONS DHNA protected against UCMS-induced depression-like behaviors in HFD-fed female mice. DHNA neither improved nor worsened UCMS-induced impairment of spatial learning. Our findings indicate that DHNA has high potential to act as an antidepressant in obese females.
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Affiliation(s)
- Roanna A Debler
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX 77843, USA
| | - Caitlin A Madison
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX 77843, USA
| | - Lauren Hillbrick
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX 77843, USA
| | - Paula Gallegos
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX 77843, USA
| | - Stephen Safe
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, 4466 TAMU, College Station, TX 77843-4466, USA
| | - Robert S Chapkin
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA
| | - Shoshana Eitan
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX 77843, USA.
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17
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Favoretto CA, Bertagna NB, Righi T, Rodolpho BT, Anjos-Santos A, Silva FBR, Bianchi PC, Cruz FC. Impacts of maternal separation stress on ethanol-related responses, anxiety- and depressive-like behaviors in adolescent mice. Neurosci Lett 2023; 809:137295. [PMID: 37182574 DOI: 10.1016/j.neulet.2023.137295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 04/18/2023] [Accepted: 05/08/2023] [Indexed: 05/16/2023]
Abstract
The present work evaluated the consequences of chronic maternal separation (MS), an animal model of early-life stress, on ethanol intake and striatal Fos expression induced by ethanol consumption. Furthermore, we analyzed MS impacts on anxiety- and depressive-like behaviors and on locomotor and plasma corticosterone responses to intraperitoneal treatment with ethanol in adolescent mice. For that, male and female C57BL/6J mice were exposed or not to MS stress, for 3 h per day, from postnatal day (PND) 1 to 14, and submitted to behavioral tests from PND 28. In Experiment 1, MS and control groups of mice were submitted to an involuntary ethanol intake protocol, and striatal Fos expression following ethanol exposure was analyzed. In Experiment 2, mice behavior was assessed in elevated plus-maze, sucrose splash, saccharin preference, and open field tests. Locomotor and plasma corticosterone responses induced by a systemic dose of ethanol (1.75 g/kg) were also evaluated. Our results demonstrated that MS increased ethanol intake only in an acute manner and did not impact ethanol-induced Fos expression in the dorsal striatum and nucleus accumbens (NAc) core and shell subregions. MS did not change the parameters analyzed during elevated plus-maze, sucrose splash, preference for saccharin, and open field tests. MS did not affect locomotor activity following ethanol injection nor plasma corticosterone response to the drug. Thus, our data showed that MS transiently increased ethanol intake. However, early-life stress did not impact Fos, locomotor, or plasma corticosterone responses to the drug. In addition, MS did not affect anxiety- and depressive-like behaviors in adolescent mice.
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Affiliation(s)
- C A Favoretto
- Molecular and Behavioral Neuroscience Laboratory, Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil
| | - N B Bertagna
- Molecular and Behavioral Neuroscience Laboratory, Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil
| | - T Righi
- Molecular and Behavioral Neuroscience Laboratory, Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil
| | - B T Rodolpho
- Molecular and Behavioral Neuroscience Laboratory, Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil
| | - A Anjos-Santos
- Molecular and Behavioral Neuroscience Laboratory, Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil
| | - F B R Silva
- Molecular and Behavioral Neuroscience Laboratory, Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil
| | - P C Bianchi
- Molecular and Behavioral Neuroscience Laboratory, Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil
| | - F C Cruz
- Molecular and Behavioral Neuroscience Laboratory, Pharmacology Department, Universidade Federal de São Paulo, São Paulo, Brazil.
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18
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Williams ZA, Szyszkowicz JK, Osborne N, Allehyany B, Nadon C, Udechukwu MC, Santos A, Audet MC. Sex-specific effects of voluntary wheel running on behavior and the gut microbiota-immune-brain axis in mice. Brain Behav Immun Health 2023; 30:100628. [PMID: 37396336 PMCID: PMC10308214 DOI: 10.1016/j.bbih.2023.100628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 04/21/2023] [Indexed: 07/04/2023] Open
Abstract
Physical exercise has been positioned as a promising strategy to prevent and/or alleviate anxiety and depression, but the biological processes associated with its effects on mental health have yet to be entirely determined. Although the prevalence of depression and anxiety in women is about twice that of men, very few studies have examined whether physical exercise could affect mental health differently according to sex. This study examined, in singly-housed mice, the sex-specific effects of voluntary exercise on depressive- and anxiety-like behaviors as well as on different markers along the gut microbiota-immune-brain axis. Male and female C57BL/6N mice had voluntary access to running wheels in their home-cages for 24 days or were left undisturbed in identical home-cages without running wheels. Behaviors were then examined in the open field, splash, elevated plus maze, and tail suspension tests. Gene expression of pro-inflammatory cytokines, microglia activation-related genes, and tight junction proteins was determined in the jejunum and the hippocampus, while microbiota composition and predicted function were verified in cecum contents. Voluntary exercise reduced anxiety-like behaviors and altered grooming patterns in males exclusively. Although the exercise intervention resulted in changes to brain inflammatory activity and to cecal microbiota composition and inferred function in both sexes, reductions in the jejunal expression of pro-inflammatory markers were observed in females only. These findings support the view that voluntary exercise, even when performed during a short period, is beneficial for mental and intestinal health and that its sex-specific effects on behavior could be, at least in part, related to some components of the gut microbiota-immune-brain axis.
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Affiliation(s)
| | - Joanna Kasia Szyszkowicz
- Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montréal, Canada
| | - Natasha Osborne
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, Canada
| | | | - Christophe Nadon
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, Canada
| | | | - Ana Santos
- Department of Neuroscience, Carleton University, Ottawa, Canada
| | - Marie-Claude Audet
- Department of Neuroscience, Carleton University, Ottawa, Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, Canada
- School of Nutrition Sciences, University of Ottawa, Ottawa, Canada
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Batsukh S, Oh S, Rheu K, Lee BJ, Choi CH, Son KH, Byun K. Rice Germ Attenuates Chronic Unpredictable Mild Stress-Induced Muscle Atrophy. Nutrients 2023; 15:2719. [PMID: 37375622 DOI: 10.3390/nu15122719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/05/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
Chronic stress leads to hypothalamic-pituitary-adrenal axis dysfunction, increasing cortisol levels. Glucocorticoids (GCs) promote muscle degradation and inhibit muscle synthesis, eventually causing muscle atrophy. In this study, we aimed to evaluate whether rice germ supplemented with 30% γ-aminobutyric acid (RG) attenuates muscle atrophy in an animal model of chronic unpredictable mild stress (CUMS). We observed that CUMS raised the adrenal gland weight and serum adrenocorticotropic hormone (ACTH) and cortisol levels, and these effects were reversed by RG. CUMS also enhanced the expression of the GC receptor (GR) and GC-GR binding in the gastrocnemius muscle, which were attenuated by RG. The expression levels of muscle degradation-related signaling pathways, such as the Klf15, Redd-1, FoxO3a, Atrogin-1, and MuRF1 pathways, were enhanced by CUMS and attenuated by RG. Muscle synthesis-related signaling pathways, such as the IGF-1/AKT/mTOR/s6k/4E-BP1 pathway, were reduced by CUMS and enhanced by RG. Moreover, CUMS raised oxidative stress by enhancing the levels of iNOS and acetylated p53, which are involved in cell cycle arrest, whereas RG attenuated both iNOS and acetylated p53 levels. Cell proliferation in the gastrocnemius muscle was reduced by CUMS and enhanced by RG. The muscle weight, muscle fiber cross-sectional area, and grip strength were reduced by CUMS and enhanced by RG. Therefore, RG attenuated ACTH levels and cortisol-related muscle atrophy in CUMS animals.
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Affiliation(s)
- Sosorburam Batsukh
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Seyeon Oh
- Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Kyoungmin Rheu
- Marine Bioprocess Co., Ltd., Smart Marine BioCenter, Busan 46048, Republic of Korea
| | - Bae-Jin Lee
- Marine Bioprocess Co., Ltd., Smart Marine BioCenter, Busan 46048, Republic of Korea
| | - Chang Hu Choi
- Department of Thoracic and Cardiovascular Surgery, Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
| | - Kuk Hui Son
- Department of Thoracic and Cardiovascular Surgery, Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
| | - Kyunghee Byun
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
- Department of Health Sciences and Technology, Gachon Advanced Institute for Health & Sciences and Technology (GAIHST), Gachon University, Incheon 21999, Republic of Korea
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20
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da Costa VF, Ramírez JCC, Ramírez SV, Avalo-Zuluaga JH, Baptista-de-Souza D, Canto-de-Souza L, Planeta CS, Rodríguez JLR, Nunes-de-Souza RL. Emotional- and cognitive-like responses induced by social defeat stress in male mice are modulated by the BNST, amygdala, and hippocampus. Front Integr Neurosci 2023; 17:1168640. [PMID: 37377628 PMCID: PMC10291097 DOI: 10.3389/fnint.2023.1168640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Introduction Chronic exposure to social defeat stress (SDS) has been used to investigate the neurobiology of depressive- and anxiety-like responses and mnemonic processes. We hypothesized that these affective, emotional, and cognitive consequences induced by SDS are regulated via glutamatergic neurons located in the bed nucleus of the stria terminalis (BNST), amygdaloid complex, and hippocampus in mice. Methods Here, we investigated the influence of chronic SDS on (i) the avoidance behavior assessed in the social interaction test, (ii) the anxiety-like behavior (e.g., elevated plus-maze, and open field tests) (iii) depressive-like behaviors (e.g., coat state, sucrose splash, nesting building, and novel object exploration tests), (iv) the short-term memory (object recognition test), (v) ΔFosB, CaMKII as well as ΔFosB + CaMKII labeling in neurons located in the BNST, amygdaloid complex, dorsal (dHPC) and the ventral (vHPC) hippocampus. Results The main results showed that the exposure of mice to SDS (a) increased defensive and anxiety-like behaviors and led to memory impairment without eliciting clear depressive-like or anhedonic effects; (b) increased ΔFosB + CaMKII labeling in BNST and amygdala, suggesting that both areas are strongly involved in the modulation of this type of stress; and produced opposite effects on neuronal activation in the vHPC and dHPC, i.e., increasing and decreasing, respectively, ΔFosB labeling. The effects of SDS on the hippocampus suggest that the vHPC is likely related to the increase of defensive- and anxiety-related behaviors, whereas the dHPC seems to modulate the memory impairment. Discussion Present findings add to a growing body of evidence indicating the involvement of glutamatergic neurotransmission in the circuits that modulate emotional and cognitive consequences induced by social defeat stress.
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Affiliation(s)
- Vinícius Fresca da Costa
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | - Johana Caterin Caipa Ramírez
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | - Stephany Viatela Ramírez
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | - Julian Humberto Avalo-Zuluaga
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | - Daniela Baptista-de-Souza
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
| | - Lucas Canto-de-Souza
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
| | - Cleopatra S. Planeta
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | | | - Ricardo Luiz Nunes-de-Souza
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
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21
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Vieira WF, Iosifescu DV, McEachern KM, Gersten M, Cassano P. Photobiomodulation: An Emerging Treatment Modality for Depression. Psychiatr Clin North Am 2023; 46:331-348. [PMID: 37149348 DOI: 10.1016/j.psc.2023.02.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Major depressive disorder (MDD) is considered a global crisis. Conventional treatments for MDD consist of pharmacotherapy and psychotherapy, although a significant number of patients with depression respond poorly to conventional treatments and are diagnosed with treatment-resistant depression (TRD). Transcranial photobiomodulation (t-PBM) therapy uses near-infrared light, delivered transcranially, to modulate the brain cortex. The aim of this review was to revisit the antidepressant effects of t-PBM, with a special emphasis on individuals with TRD. A search on PubMed and ClinicalTrials.gov tracked clinical studies using t-PBM for the treatment of patients diagnosed with MDD and TRD.
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Affiliation(s)
- Willians Fernando Vieira
- Division of Neuropsychiatry and Neuromodulation, Massachusetts General Hospital (MGH), 149 13th Street (2612), Boston, MA 02129, USA; Department of Psychiatry, Harvard Medical School (HMS), 25 Shattuck Street, Boston, MA 02115, USA; Department of Anatomy, Institute of Biomedical Sciences (ICB), University of Sao Paulo (USP), 2415 Prof. Lineu Prestes Avenue, Sao Paulo, SP 05508-000, Brazil
| | - Dan V Iosifescu
- Clinical Research Division, Nathan Kline Institute (NKI) for Psychiatric Research, 140 Old Orangeburg Road, Orangeburg, NY 10962, USA; Department of Psychiatry, New York University (NYU) School of Medicine, 550 First Avenue, New York, NY 10016, USA
| | - Kayla Marie McEachern
- Division of Neuropsychiatry and Neuromodulation, Massachusetts General Hospital (MGH), 149 13th Street (2612), Boston, MA 02129, USA
| | - Maia Gersten
- Division of Neuropsychiatry and Neuromodulation, Massachusetts General Hospital (MGH), 149 13th Street (2612), Boston, MA 02129, USA
| | - Paolo Cassano
- Division of Neuropsychiatry and Neuromodulation, Massachusetts General Hospital (MGH), 149 13th Street (2612), Boston, MA 02129, USA; Department of Psychiatry, Harvard Medical School (HMS), 25 Shattuck Street, Boston, MA 02115, USA.
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22
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Strelow DN, Magalhães LS, Paim MP, Krüger LD, Neto JSS, Brüning CA, Bortolatto CF. Depressive-like behavior and cognitive impairment induced by acute administration of dexamethasone: Pharmacological effects of 2-phenyl-3-(phenylselanyl)benzofuran in female Swiss mice. Prog Neuropsychopharmacol Biol Psychiatry 2023; 125:110772. [PMID: 37075882 DOI: 10.1016/j.pnpbp.2023.110772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/12/2023] [Accepted: 04/16/2023] [Indexed: 04/21/2023]
Abstract
Synthetic glucocorticoid administration has been reported to play a role in depression and cognitive decline. The present study investigated the 2-phenyl-3-(phenylselanyl)benzofuran (SeBZF1) effects against the depressive-like behavior, memory impairment, and neurochemical alterations caused by acute dexamethasone administration in female Swiss mice. A dexamethasone dose-response curve (0.07-0.5 mg/kg, subcutaneous route, s.c.) was initially performed to validate the depressive-like behavior induction, in which the 0.25 mg/kg dose was more effective. Two experimental sets were performed to test the SeBZF1 (5 and 50 mg/kg, intragastric route, i.g.) pharmacological effect in this animal model. The 1st set revealed that the SeBZF1 reverses the dexamethasone-induced depressive-like behavior in the tail suspension test and in the splash test. In the 2nd experimental set, the compound effects of reversing the depressive-like behavior in the forced swimming test and the memory deficit in the Y-maze test induced by acute treatment with dexamethasone were demonstrated. Furthermore, SeBZF1 reversed the increase in the monoamine oxidase (MAO) activity in the prefrontal cortex (isoforms A and B) and in the hypothalamus (isoform A) caused by dexamethasone. However, no changes were observed in hippocampal MAO activity. Furthermore, animals treated with dexamethasone and SeBZF1 demonstrated a partially lower acetylcholinesterase activity in the prefrontal cortex compared with the induced group. In summary, the present study demonstrated that SeBZF1 reverses depressive-like behavior and memory deficits caused by acute dexamethasone treatment in female Swiss mice. Possibly the compound exerts its antidepressant-like action by increasing the availability of monoamines, while its effects on memory are still partially understood.
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Affiliation(s)
- Dianer Nornberg Strelow
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil
| | - Larissa Sander Magalhães
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil
| | - Mariana Parron Paim
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil
| | - Letícia Devantier Krüger
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil
| | | | - César Augusto Brüning
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil.
| | - Cristiani Folharini Bortolatto
- Programa de Pós-graduação em Bioquímica e Bioprospecção, Laboratório de Bioquímica e Neurofarmacologia Molecular (LABIONEM), Grupo de Pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas (UFPel), CEP 96010-900 Pelotas, RS, Brazil.
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23
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Aten S, Du Y, Taylor O, Dye C, Collins K, Thomas M, Kiyoshi C, Zhou M. Chronic Stress Impairs the Structure and Function of Astrocyte Networks in an Animal Model of Depression. Neurochem Res 2023; 48:1191-1210. [PMID: 35796915 PMCID: PMC9823156 DOI: 10.1007/s11064-022-03663-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/18/2022] [Indexed: 01/11/2023]
Abstract
Now astrocytes appear to be the key contributors to the pathophysiology of major depression. Evidence in rodents shows that chronic stress is associated with a decreased expression of astrocytic GFAP-immunoreactivity within the cortex in addition to changes in the complexity and length of astrocyte processes. Furthermore, postmortem brains of individuals with depression have revealed a decrease in astrocyte density. Notably, astrocytes are extensively coupled to one another through gap junctions to form a network, or syncytium, and we have previously demonstrated that syncytial isopotentiality is a mechanism by which astrocytes function as an efficient system with respect to brain homeostasis. Interestingly, the question of how astrocyte network function changes following chronic stress is yet to be elucidated. Here, we sought to examine the effects of chronic stress on network-level astrocyte (dys)function. Using a transgenic aldh1l1-eGFP astrocyte reporter mouse, a six-week unpredictable chronic mild stress (UCMS) paradigm as a rodent model of major depression, and immunohistochemical approaches, we show that the morphology of individual astrocytes is altered by chronic stress exposure. Additionally, in astrocyte syncytial isopotentiality measurement, we found that UCMS impairs the syncytial coupling strength of astrocytes within the hippocampus and prefrontal cortex-two brain regions that have been implicated in the regulation of mood. Together, these findings reveal that chronic stress leads to astrocyte atrophy and impaired gap junction coupling, raising the prospect that both individual and network-level astrocyte functionality are important in the etiology of major depression and other neuropsychiatric disorders.
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Affiliation(s)
- Sydney Aten
- Department of Neuroscience, Ohio State University Wexner Medical Center, Graves Hall, Rm 4066C, 333 W. 10th Ave, Columbus, OH, 43210, USA
- Department of Neurology, Division of Sleep Medicine, and Program in Neuroscience, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Yixing Du
- Department of Neuroscience, Ohio State University Wexner Medical Center, Graves Hall, Rm 4066C, 333 W. 10th Ave, Columbus, OH, 43210, USA
| | - Olivia Taylor
- Department of Neuroscience, Ohio State University Wexner Medical Center, Graves Hall, Rm 4066C, 333 W. 10th Ave, Columbus, OH, 43210, USA
| | - Courtney Dye
- Department of Neuroscience, Ohio State University Wexner Medical Center, Graves Hall, Rm 4066C, 333 W. 10th Ave, Columbus, OH, 43210, USA
| | - Kelsey Collins
- Department of Neuroscience, Ohio State University Wexner Medical Center, Graves Hall, Rm 4066C, 333 W. 10th Ave, Columbus, OH, 43210, USA
| | - Matthew Thomas
- Department of Neuroscience, Ohio State University Wexner Medical Center, Graves Hall, Rm 4066C, 333 W. 10th Ave, Columbus, OH, 43210, USA
| | - Conrad Kiyoshi
- Department of Neuroscience, Ohio State University Wexner Medical Center, Graves Hall, Rm 4066C, 333 W. 10th Ave, Columbus, OH, 43210, USA
- Northern Marianas College, Saipan, MP, USA
| | - Min Zhou
- Department of Neuroscience, Ohio State University Wexner Medical Center, Graves Hall, Rm 4066C, 333 W. 10th Ave, Columbus, OH, 43210, USA.
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24
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Marques LS, Jung JT, Zborowski VA, Pinheiro RC, Nogueira CW, Zeni G. Emotional-Single Prolonged Stress: A promising model to illustrate the gut-brain interaction. Physiol Behav 2023; 260:114070. [PMID: 36574940 DOI: 10.1016/j.physbeh.2022.114070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 12/08/2022] [Accepted: 12/23/2022] [Indexed: 12/25/2022]
Abstract
Excessive stress can precipitate depression and anxiety diseases, and damage gastrointestinal functionality and microbiota changes, favoring the development of functional gastrointestinal disorders (FGIDs) - defined by dysregulation in the brain-gut interaction. Therefore, the present study investigated if Emotional-Single Prolonged Stress (E-SPS) induces depressive/anxiety-like phenotype and gut dysfunction in adult Swiss male mice. For this, mice of the E-SPS group were subjected to three stressors sequential exposure: immobilization, swimming, and odor of the predator for 7 days (incubation period). Next, animals performed behavior tests and 24 h later, samples of feces, blood, and colon tissue were collected. E-SPS increased the plasma corticosterone levels, immobility time in the tail suspension and forced swim test, decreased the grooming time in the splash test, OAT%, and OAE% in the elevated plus-maze test, as well as increased anxiety index. Mice of E-SPS had increased % of intestinal transit rate, % of fecal moisture content, and fecal pellets number, and decreased Claudin1 content in the colon. E-SPS decreased the relative abundance of Bacteroidetes phylum, Bacteroidia class, Bacteroidales order, Muribaculaceae and Porphyromonadaceae family, Muribaculum, and Duncaniella genus. However, E-SPS increased Firmicutes and Actinobacteria phylum, Coriobacteriales order, and the ratio of Firmicutes/Bacteroidetes, and demonstrated Mucispirillum genus presence. The present study showed that E-SPS induced depressive/anxiety-like phenotype, predominant diarrhea gut dysfunction, and modulated the gut bacterial microbiota profile in male adult Swiss mice. E-SPS might be a promising model for future studies on the brain-gut interaction and the development of FGIDs with psychological comorbidities.
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Affiliation(s)
- Luiza S Marques
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Juliano Tk Jung
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Vanessa A Zborowski
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Roberto C Pinheiro
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Cristina W Nogueira
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil
| | - Gilson Zeni
- Laboratory of Synthesis, Reactivity, Pharmacological and Toxicological Evaluation of Organochalcogen Compounds, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS 97105-900, Brazil.
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25
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Sancho-Balsells A, Borràs-Pernas S, Brito V, Alberch J, Girault JA, Giralt A. Cognitive and Emotional Symptoms Induced by Chronic Stress Are Regulated by EGR1 in a Subpopulation of Hippocampal Pyramidal Neurons. Int J Mol Sci 2023; 24:ijms24043833. [PMID: 36835243 PMCID: PMC9962724 DOI: 10.3390/ijms24043833] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
Chronic stress is a core risk factor for developing a myriad of neurological disorders, including major depression. The chronicity of such stress can lead to adaptive responses or, on the contrary, to psychological maladaptation. The hippocampus is one of the most affected brain regions displaying functional changes in chronic stress. Egr1, a transcription factor involved in synaptic plasticity, is a key molecule regulating hippocampal function, but its role in stress-induced sequels has been poorly addressed. Emotional and cognitive symptoms were induced in mice by using the chronic unpredictable mild stress (CUMS) protocol. We used inducible double-mutant Egr1-CreERT2 x R26RCE mice to map the formation of Egr1-dependent activated cells. Results show that short- (2 days) or long-term (28 days) stress protocols in mice induce activation or deactivation, respectively, of hippocampal CA1 neural ensembles in an Egr1-activity-dependent fashion, together with an associated dendritic spine pathology. In-depth characterization of these neural ensembles revealed a deep-to-superficial switch in terms of Egr1-dependent activation of CA1 pyramidal neurons. To specifically manipulate deep and superficial pyramidal neurons of the hippocampus, we then used Chrna7-Cre (to express Cre in deep neurons) and Calb1-Cre mice (to express Cre in superficial neurons). We found that specific manipulation of superficial but not deep pyramidal neurons of the CA1 resulted in the amelioration of depressive-like behaviors and the restoration of cognitive impairments induced by chronic stress. In summary, Egr1 might be a core molecule driving the activation/deactivation of hippocampal neuronal subpopulations underlying stress-induced alterations involving emotional and cognitive sequels.
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Affiliation(s)
- Anna Sancho-Balsells
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, Casanova 143, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 08036 Barcelona, Spain
| | - Sara Borràs-Pernas
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, Casanova 143, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 08036 Barcelona, Spain
| | - Verónica Brito
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, Casanova 143, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 08036 Barcelona, Spain
| | - Jordi Alberch
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, Casanova 143, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 08036 Barcelona, Spain
- Production and Validation Center of Advanced Therapies (Creatio), Faculty of Medicine and Health Science, University of Barcelona, 08036 Barcelona, Spain
| | - Jean-Antoine Girault
- Inserm UMR-S 1270, 75005 Paris, France
- Science and Engineering Faculty, Sorbonne Université, 75005 Paris, France
- Institut du Fer à Moulin, 75005 Paris, France
| | - Albert Giralt
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, Casanova 143, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 08036 Barcelona, Spain
- Production and Validation Center of Advanced Therapies (Creatio), Faculty of Medicine and Health Science, University of Barcelona, 08036 Barcelona, Spain
- Correspondence: ; Tel.: +34-934037980
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26
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Ródenas-González F, Arenas MC, Blanco-Gandía MC, Manzanedo C, Rodríguez-Arias M. Vicarious Social Defeat Increases Conditioned Rewarding Effects of Cocaine and Ethanol Intake in Female Mice. Biomedicines 2023; 11:biomedicines11020502. [PMID: 36831038 PMCID: PMC9953170 DOI: 10.3390/biomedicines11020502] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/29/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Stress is a critical factor in the development of mood and drug use disorders. The social defeat model is not appropriate for female rodents due to their low level of aggression. Therefore, a robust female model of social stress needs to be developed and validated. The aim of the present study was to unravel the long-lasting effects of vicarious social defeat (VSD) on the conditioned rewarding effects of cocaine and ethanol intake in female mice. Although VSD seems to be a good model for inducing behavioral and physiologic endophenotypes induced by stress, there are no studies to date that characterize the effect of VSD on cocaine or alcohol use. The results confirm that VSD females showed an increase in corticosterone levels after a vicarious experience while also displaying an increase in anxiety- and anhedonic-like behaviors. Three weeks after the last VSD, vicariously defeated female mice showed an increased developed preference for a non-effective dose of cocaine in the conditioned place preference (CPP) paradigm and showed an increase in ethanol intake. Our results suggest that female mice vicariously experience a state of distress through the social observation of others suffering from adverse events, confirming the use of VSD as a valid model to study the response to social stress in females. The fact that VSD in females induced a comparable behavioral phenotype to that observed in physically defeated males could indicate a relationship with the higher rate of psychopathologies observed in women. Notwithstanding, more studies are needed to dissect the neurobiological and behavioral peculiarities of the female response to social stress.
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Affiliation(s)
- Francisco Ródenas-González
- Unidad de Investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de Valencia, 46010 Valencia, Spain
| | - María Carmen Arenas
- Unidad de Investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de Valencia, 46010 Valencia, Spain
| | - María Carmen Blanco-Gandía
- Departamento de Psicología y Sociología, Facultad de Ciencias Sociales y Humanas, Universidad de Zaragoza, 44003 Teruel, Spain
| | - Carmen Manzanedo
- Unidad de Investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de Valencia, 46010 Valencia, Spain
| | - Marta Rodríguez-Arias
- Unidad de Investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de Valencia, 46010 Valencia, Spain
- Correspondence:
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Grolli RE, Bertollo AG, Behenck JP, de Araujo Borba L, Plissari ME, Soares SJB, Manica A, da Silva Joaquim L, Petronilho F, Quevedo J, Bagatini MD, Réus GZ, Ignácio ZM. Quetiapine effect on depressive-like behaviors, oxidative balance, and inflammation in serum of rats submitted to chronic stress. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023:10.1007/s00210-023-02406-8. [PMID: 36735044 DOI: 10.1007/s00210-023-02406-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 01/23/2023] [Indexed: 02/04/2023]
Abstract
Major depressive disorder (MDD) etiology is still not completely understood, and many individuals resist the traditional treatments. Chronic exposure to stressful events can contribute to development and progression and be involved in biological changes underlying MDD. Among the biological mechanisms involved, inflammatory changes and oxidative balance are associated with MDD pathophysiology. Quetiapine, a second-generation antipsychotic, induces a better therapeutic response in individuals refractory to traditional treatments. The main objectives of this research were as follows: to evaluate the effect of chronic mild stress (CMS) on depressive-like behaviors, oxidative stress, and inflammation in adult rats; to evaluate the possible antidepressant, antioxidant, and anti-inflammatory effects of quetiapine. The animals were submitted to CMS protocols. At the end of the CMS, the animals were submitted to a chronic treatment for 14 days with the following drugs: quetiapine (20 mg/kg), imipramine (30 mg/kg), and escitalopram (10 mg/kg). At the end of the treatments, the animals were evaluated in the open field tests, anhedonia (splash test), and forced swimming. The animals were euthanized after the behavioral tests, and serum samples were collected. Myeloperoxidase (MPO) activity and interleukin-6 (IL-6) levels were analyzed. CMS induced an increase in depressive-like behaviors, and quetiapine significantly reduced these behaviors. MPO activity and IL-6 levels increased in the serum of animals submitted to CMS. Quetiapine significantly reduced MPO activity and IL-6 levels. These results corroborate other evidence, indicating that chronic stress is a relevant phenomenon in the etiology of depression and suggesting that quetiapine induces an antidepressant effect because it reduces oxidative and inflammatory mechanisms.
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Affiliation(s)
- Roberta Eduarda Grolli
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Amanda Gollo Bertollo
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - João Paulo Behenck
- Laboratory of Translational Psychiatry, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Laura de Araujo Borba
- Laboratory of Translational Psychiatry, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Marcos Eduardo Plissari
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Silvio José Batista Soares
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Aline Manica
- Graduate Program in Health Sciences - Community University of the Chapecó Region, Chapecó, SC, Brazil
| | - Larissa da Silva Joaquim
- Neurobiology of Metabolic and Inflammatory Processes Laboratory, Graduate Program in Health Sciences, University of South Santa Catarina, Tubarão, SC, Brazil
| | - Fabricia Petronilho
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - João Quevedo
- Laboratory of Translational Psychiatry, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciuma, SC, Brazil.,Center of Excellence On Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Neuroscience Graduate Program, Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Margarete Dulce Bagatini
- Laboratory of Cell Culture, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Gislaine Zilli Réus
- Laboratory of Translational Psychiatry, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Zuleide Maria Ignácio
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil.
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Woodward EM, Ringland A, Ackerman J, Coutellier L. Prepubertal ovariectomy confers resilience to stress-induced anxiety in adult female mice. Psychoneuroendocrinology 2023; 148:105997. [PMID: 36470154 PMCID: PMC9898172 DOI: 10.1016/j.psyneuen.2022.105997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 11/29/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022]
Abstract
The increased vulnerability to stress-induced neuropsychiatric disorders in women, including anxiety disorders, does not emerge until pubertal onset, suggesting a role for ovarian hormones in organizing sex-specific vulnerability to anxiety. Parvalbumin (PV) interneurons in the prefrontal cortex are a potential target for these ovarian hormones. PV+ interneurons undergo maturation during the adolescent period and have been shown to be sensitive to stress and to mediate stress-induced anxiety in female mice. To test the idea that ovarian hormones at puberty are necessary for the acquisition of sensitivity to stress, hypothetically driving the response of PV+ interneurons to stress, we performed ovariectomy or sham surgery before pubertal onset in female mice. These mice then were exposed to four weeks of unpredictable chronic mild stress in adulthood. We then assessed anxiety-like behavior and PV/FosB colocalization in the medial PFC. Additionally, we assessed stress-induced anxiety-like behavior in female mice following ovariectomy in adulthood to determine if puberty is a sensitive period for ovarian hormones in mediating vulnerability to stress. We found that prepubertal ovariectomy protects against the development of anxiety-like behavior in adulthood, an effect not found following ovariectomy in adulthood. This effect may be independent of ovarian hormones on prefrontal PV+ interneurons response to stress.
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Affiliation(s)
- Emma M Woodward
- Department of Neuroscience, Ohio State University, 255 Institute for Behavioral Medicine Research Building, 460 Medical Center Drive, Columbus, OH 43210, USA.
| | - Amanda Ringland
- Department of Neuroscience, Ohio State University, 255 Institute for Behavioral Medicine Research Building, 460 Medical Center Drive, Columbus, OH 43210, USA; Department of Psychology, Ohio State University, 1835 Neil Avenue, Columbus, OH 43210, USA.
| | - Jennifer Ackerman
- Department of Neuroscience, Ohio State University, 255 Institute for Behavioral Medicine Research Building, 460 Medical Center Drive, Columbus, OH 43210, USA; Department of Psychology, Ohio State University, 1835 Neil Avenue, Columbus, OH 43210, USA.
| | - Laurence Coutellier
- Department of Neuroscience, Ohio State University, 255 Institute for Behavioral Medicine Research Building, 460 Medical Center Drive, Columbus, OH 43210, USA; Department of Psychology, Ohio State University, 1835 Neil Avenue, Columbus, OH 43210, USA.
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Estrous Cycle Mediates Midbrain Neuron Excitability Altering Social Behavior upon Stress. J Neurosci 2023; 43:736-748. [PMID: 36549906 PMCID: PMC9899085 DOI: 10.1523/jneurosci.1504-22.2022] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 11/18/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022] Open
Abstract
The estrous cycle is a potent modulator of neuron physiology. In rodents, in vivo ventral tegmental area (VTA) dopamine (DA) activity has been shown to fluctuate across the estrous cycle. Although the behavioral effect of fluctuating sex steroids on the reward circuit is well studied in response to drugs of abuse, few studies have focused on the molecular adaptations in the context of stress and motivated social behaviors. We hypothesized that estradiol fluctuations across the estrous cycle acts on the dopaminergic activity of the VTA to alter excitability and stress response. We used whole-cell slice electrophysiology of VTA DA neurons in naturally cycling, adult female C57BL/6J mice to characterize the effects of the estrous cycle and the role of 17β-estradiol on neuronal activity. We show that the estrous phase alters the effect of 17β-estradiol on excitability in the VTA. Behaviorally, the estrous phase during a series of acute variable social stressors modulates subsequent reward-related behaviors. Pharmacological inhibition of estrogen receptors in the VTA before stress during diestrus mimics the stress susceptibility found during estrus, whereas increased potassium channel activity in the VTA before stress reverses stress susceptibility found during estrus as assessed by social interaction behavior. This study identifies one possible potassium channel mechanism underlying the increased DA activity during estrus and reveals estrogen-dependent changes in neuronal function. Our findings demonstrate that the estrous cycle and estrogen signaling changes the physiology of DA neurons resulting in behavioral differences when the reward circuit is challenged with stress.SIGNIFICANCE STATEMENT The activity of the ventral tegmental area encodes signals of stress and reward. Dopaminergic activity has been found to be regulated by both local synaptic inputs as well as inputs from other brain regions. Here, we provide evidence that cycling sex steroids also play a role in modulating stress sensitivity of dopaminergic reward behavior. Specifically, we reveal a correlation of ionic activity with estrous phase, which influences the behavioral response to stress. These findings shed new light on how estrous cycle may influence dopaminergic activity primarily during times of stress perturbation.
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Delanogare E, Bullich S, Barbosa LADS, Barros WDM, Braga SP, Kraus SI, Kasprowicz JN, Dos Santos GJ, Guiard BP, Moreira ELG. Metformin improves neurobehavioral impairments of streptozotocin-treated and western diet-fed mice: Beyond glucose-lowering effects. Fundam Clin Pharmacol 2023; 37:94-106. [PMID: 35996325 DOI: 10.1111/fcp.12825] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 07/11/2022] [Accepted: 08/19/2022] [Indexed: 01/25/2023]
Abstract
Brain insulin resistance has been pointed to as a possible link between diabetes and neuropsychiatric disorders; therefore, therapeutic approaches using anti-diabetic drugs to improve insulin levels or signaling could prevent type 1 (T1D) and type 2 diabetes mellitus (T2D)-induced brain dysfunction. The present study aimed to determine whether metformin exerts beneficial effects on metabolic and neurobehavioral outcomes in the streptozotocin (STZ)-induced T1D model and western diet (WD)-induced obesity model in male Swiss mice. T1D was induced by intraperitoneal injection of STZ (50 mg/kg, for five consecutive days). The animals were then treated daily with saline or metformin (200 mg/kg/day, oral gavage), and a battery of tests recapitulating different neurobehavioral anomalies related to anxiogenic/depressive-like phenotype was conducted after 18 days. WD-induced obesity was modeled in mice by high-fat and high-fructose diet (HFFD) feeding for 15 days. In the sequence, control and diet-induced obesity mice were treated daily with saline or metformin (200 mg/kg/day), and a battery of behavioral tests was performed after 17 days. STZ injection and WD feeding induced metabolic and neurobehavioral impairments in mice. Remarkably, metformin improved the metabolic and neurobehavioral parameters in WD-induced obesity mice. Moreover, metformin ameliorated STZ-induced neurobehavioral deficits while it failed to improve the associated metabolic impairments. The beneficial effects of metformin in STZ-induced neurobehavioral impairments were not mediated by improving peripheral insulin signaling. Our results suggest that conventional diabetes treatment could be repurposed to simultaneously improve neurobehavioral symptoms and diabetes.
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Affiliation(s)
- Eslen Delanogare
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Sebastien Bullich
- Centre de Recherches sur La Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, Toulouse, France
| | | | | | - Sara Pereira Braga
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Scheila Iria Kraus
- Centre de Recherches sur La Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, Toulouse, France
| | - Júlia Nahir Kasprowicz
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Gustavo Jorge Dos Santos
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil.,Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Bruno Pierre Guiard
- Centre de Recherches sur La Cognition Animale, Centre de Biologie Intégrative, Université de Toulouse, CNRS, Toulouse, France
| | - Eduardo Luiz Gasnhar Moreira
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianópolis, Brazil.,Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil.,Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
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Rice Germ Ameliorated Chronic Unpredictable Mild Stress-Induced Depressive-like Behavior by Reducing Neuroinflammation. Nutrients 2022; 14:nu14245382. [PMID: 36558541 PMCID: PMC9780988 DOI: 10.3390/nu14245382] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/02/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Stress-induced neuroinflammation is widely regarded as one of the primary causes of depression. Gamma-aminobutyric acid (GABA)-enriched foods relieve stress and reduce inflammatory reactions. This study aimed to evaluate whether rice germ with 30% GABA (RG) reduced neuroinflammation in mice exposed to chronic unpredictable mild stress (CUMS). CUMS mice were administered 40, 90, and 140 mg/kg of RG. CUMS increased serum and hypothalamic pro-inflammatory cytokine (TNF-α and IL-6) levels, which were decreased by RG. In the hypothalamus, CUMS elevated M1-type microglia markers of CD86 and NF-κB, whereas RG lowered these levels. The expression levels of NLRP3 inflammasome complex (NLRP3, apoptosis-associated speck-like protein containing a caspase recruitment domain, and caspase-1), IL-1β, and IL-18 were increased in the hypothalamus of CUMS mice and decreased by RG. RG attenuated depressive-like behaviors in CUMS mice, as measured by the forced swim test and tail suspension test. In conclusion, RG decreased hypothalamic inflammation-related signals, such as TNF-α, IL-6, M1 polarization, NF-κB, NLRP3 inflammasome complex, caspase-1, IL-1β, and IL-18, to diminish depressive-like behavior.
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Madison CA, Debler RA, Vardeleon NI, Hillbrick L, Jayaraman A, Safe S, Chapkin RS, Eitan S. Sex-dependent differences in the stress mitigating and antidepressant effects of selective aryl hydrocarbon receptor modulators. J Affect Disord 2022; 319:213-220. [PMID: 36206882 PMCID: PMC10391660 DOI: 10.1016/j.jad.2022.09.155] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 09/25/2022] [Accepted: 09/30/2022] [Indexed: 11/11/2022]
Abstract
BACKGROUND Our recent study demonstrated that selective aryl hydrocarbon receptor modulators (SAhRMs), such as 1,4-dihydroxy-2-napthoic acid (DHNA) act as antidepressants in female mice. Given that some effects of certain SAhRMs are known to also be mediated via estrogen receptor signaling, this study examined whether the effects of SAhRMs on mood, emotional state, and cognition are sex-dependent. METHODS C57BL/6N mice were fed with vehicle or 20 mg/kg DHNA for three weeks prior to four weeks of unpredictable chronic mild stress (UCMS). Mice were examined for depression-like behaviors (sucrose preference, forced swim test (FST), splash test, tape groom test), emotional state (open-field test, light/dark test, marble burying, novelty-induced hypophagia, elevated-plus maze), and cognition (object location recognition, novel object recognition, Morris water maze). RESULTS In females, UCMS decreased sucrose preference and increased FST immobility time; both effects were prevented by DHNA. In males, UCMS increased FST immobility time, and increased the latency to groom in the splash test. These effects were not mitigated by DHNA. However, in males, UCMS induced an increase in novelty-induced locomotion, an increase in the time spent in the light compartment in the L/D test, and an increase in the time spent with an object in a novel location. These effects were prevented by DHNA. CONCLUSIONS Our findings indicate that DHNA has high potential to act as antidepressants in females. However, given classical interpretation, DHNA did not appear to act as an antidepressant in males. Nonetheless, our findings indicate that DHNA can mitigate stress effects and reactivity in males.
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Affiliation(s)
- Caitlin A Madison
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Roanna A Debler
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Nathan I Vardeleon
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Lauren Hillbrick
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA
| | - Arul Jayaraman
- Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Stephen Safe
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, 4466 TAMU, College Station, TX 77843-4466, USA
| | - Robert S Chapkin
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA
| | - Shoshana Eitan
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, College Station, 4235 TAMU, TX 77843, USA.
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Microglia senescence is related to neuropathic pain-associated comorbidities in the spared nerve injury model. Pain 2022; 164:1106-1117. [PMID: 36448971 PMCID: PMC10108589 DOI: 10.1097/j.pain.0000000000002807] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 10/05/2022] [Indexed: 12/02/2022]
Abstract
ABSTRACT The increased presence of senescent cells in different neurological diseases suggests the contribution of senescence in the pathophysiology of neurodegenerative disorders. Microglia can adapt to any type of disturbance of the homeostasis of the central nervous system (CNS) and its altered activity can lead to permanent and unresolvable damage. The aim of this work was to characterize the behavioural phenotype of spared nerve injury (SNI) mice and then associate it to senescence-related mechanisms. In this work we investigated the timing of the onset of anxiety, depression, or memory decline associated with peripheral neuropathic pain, and their correlation with the presence of microglial cellular senescence. SNI mice showed a persistent pain hypersensitivity from 3 days after surgery. 28 days after nerve injury they also developed anxiety, depression, and cognitive impairment. The appearance of these symptoms was coincident to a significant increase of senescence markers, such as β-galactosidase and senescent-associated secretory phenotype (SASP), at microglial level in the spinal cord and hippocampus of SNI animals. These markers were unaltered at previous time points. In murine immortalized microglial cells (BV2) stimulated with LPS 500 ng/mL for 10 days (4h/day) every other day, we observed an increase of β-galactosidase, SASP appearance, a reduction of cell viability and an increase of Senescence-Associated Heterochromatic Foci (SAHF). Therefore, present findings could represent an important step to a better understanding of the pathophysiological cellular mechanisms in comorbidities related to neuropathic pain states.
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Paeoniflorin Ameliorates Colonic Fibrosis in Rats with Postinfectious Irritable Bowel Syndrome by Inhibiting the Leptin/LepRb Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:6010858. [PMID: 36225193 PMCID: PMC9550452 DOI: 10.1155/2022/6010858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/01/2022] [Indexed: 11/17/2022]
Abstract
Postinfectious irritable bowel syndrome (PI-IBS) is a highly prevalent gastrointestinal disorder associated with immune dysregulation and depression- and anxiety-like behaviors. Through traditional medicine, the active ingredient of Paeoniae Radix called paeoniflorin (PF) was previously found to prevent the symptoms of PI-IBS. However, there is limited information on the effects of PF on intestinal function and depression- and anxiety-like symptoms in PI-IBS animal models. Here, we aimed to determine the effects of PF treatment on the symptoms of PI-IBS in a rat model. The PI-IBS rat model was established via early postnatal sibling deprivation (EPSD), trinitrobenzenesulfonic acid (TNBS), and chronic unpredictable mild stress (CUMS) stimulation and then treated with different dosages of PF (10, 20, and 40 mg/kg) and leptin (1 and 10 mg/kg). The fecal water content and body weight were measured to evaluate the intestinal function, while the two-bottle test for sucrose intake, open field test (OFT), and elevated plus maze test (EMT) were performed to assess behavioral changes. The serum leptin levels were also measured using an enzyme-linked immunosorbent assay. Furthermore, the expressions of leptin and its receptor, LepRb, were detected in colonic mucosal tissues through an immunohistochemical assay. The activation of the PI3K/AKT signaling pathway and the expression of brain-derived neurotrophic factor (BDNF) were also detected via western blotting. After the experimental period, the PI-IBS rats presented decreased body weight and increased fecal water content, which coincided with elevated leptin levels and heightened depression- and anxiety-like behaviors (e.g., low sucrose intake, less frequency in the center areas during OFT, and fewer activities in the open arms during EMT). However, the PF treatment ameliorated these observed symptoms. Furthermore, PF not only inhibited leptin/LepRb expression but also reduced the PI3K/AKT phosphorylation and BDNF expression in PI-IBS rats. Notably, cotreatment with leptin (10 mg/kg) reduced the effects of PF (20 mg/kg) on colonic fibrosis, leptin/LepRb expression, and PI3K/AKT activation. Therefore, our findings suggest that leptin is targeted by PF via the leptin/LepRb pathway, consequently ameliorating the symptoms of PI-IBS. Our study also contributes novel insights for elucidating the pharmacological action of PF on gastrointestinal disorders and may be used for the clinical treatment of PI-IBS in the future.
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Verma H, Shivavedi N, Tej GNVC, Kumar M, Nayak PK. Prophylactic administration of rosmarinic acid ameliorates depression-associated cardiac abnormalities in Wistar rats: Evidence of serotonergic, oxidative, and inflammatory pathways. J Biochem Mol Toxicol 2022; 36:e23160. [PMID: 35838106 DOI: 10.1002/jbt.23160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/05/2022] [Accepted: 07/01/2022] [Indexed: 12/16/2022]
Abstract
Psychiatric disorders and associated cardiac comorbidities have increased the risk of mortality worldwide. Researchers reported that depression increases the possibility of future cardiac abnormalities by approximately 30%. Therefore, there is an unmet need to develop therapeutic interventions to treat depression and associated cardiac abnormalities. The present study was conducted to evaluate the prophylactic effect of rosmarinic acid (RA) against chronic unpredictable stress (CUS)-induced depression associated cardiac abnormalities in Wistar rats. The CUS paradigm, which comprised several stressors, was employed for 40 days to induce depressive-like behavior and associated cardiac abnormalities in rats. Along with CUS, RA at a dose of 25 and 50 mg/kg was administered orally to two groups of animals for 40 days. Behavioral tests (forced swim test and sucrose consumption test) and molecular biomarkers (corticosterone and serotonin) were performed. Electrocardiography was performed before CUS (Day 0), Day 20, and Day 40 to study electrocardiogram parameters. Furthermore, changes in body weight, organ weight, tissue lipid peroxidation, glutathione, catalase, cTn-I, MMP-2, and proinflammatory cytokines (TNF-α and IL-6) were estimated. Our results showed that RA treatment caused a reduction in immobility period, adrenal hyperplasia, corticosterone level, tissue lipid peroxidation, cTn-I, MMP-2, proinflammatory cytokines, and QRS complex duration, while an increase in sucrose consumption, brain serotonin level, T-wave width, glutathione, and catalase activity as compared with the CUS-control group. The results of our study proved that RA administration ameliorates CUS-induced depression-associated cardiac abnormalities in rats via serotonergic, oxidative, and inflammatory pathways.
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Affiliation(s)
- Himanshu Verma
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (IIT), Banaras Hindu University (BHU), Varanasi, Uttar Pradesh, India
| | - Naveen Shivavedi
- Shri Ram Group Of Institutions, Faculty of Pharmacy, Jabalpur, Madhya Pradesh, India
| | - Gullanki N V C Tej
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (IIT), Banaras Hindu University (BHU), Varanasi, Uttar Pradesh, India
| | - Mukesh Kumar
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (IIT), Banaras Hindu University (BHU), Varanasi, Uttar Pradesh, India
| | - Prasanta K Nayak
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (IIT), Banaras Hindu University (BHU), Varanasi, Uttar Pradesh, India
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36
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Carlessi AS, Botelho MEM, Manosso LM, Borba LA, Maciel LR, Andrade NM, Martinello NS, Padilha APZ, Generoso CM, Bencke CV, de Moura AB, Lodetti BF, Collodel A, Joaquim L, Bonfante S, Biehl E, Generoso JS, Arent CO, Barichello T, Petronilho F, Quevedo J, Réus GZ. Sex differences on the response to antidepressants and psychobiotics following early life stress in rats. Pharmacol Biochem Behav 2022; 220:173468. [PMID: 36174752 DOI: 10.1016/j.pbb.2022.173468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 01/06/2023]
Abstract
Major depressive disorder (MDD) is the most prevalent mood disorder globally. Most antidepressants available for the treatment of MDD increase the concentration of monoamines in the synaptic cleft. However, such drugs have a high latency time to obtain benefits. Thus, new antidepressants with fast action and robust efficacy are very important. This study evaluated the effects of escitalopram, ketamine, and probiotic Bifidobacterium infantis in rats submitted to the maternal deprivation (MD). MD rats received saline, escitalopram, ketamine, or probiotic for 10, 30, or 50 days, depending on the postnatal day (PND):21, 41, and 61. Following behavior, this study examined the integrity of the blood-brain barrier (BBB) and oxidative stress markers. MD induced depressive-like behavior in females with PND21 and males with PND61. All treatments reversed depressive-like behavior in females and escitalopram and ketamine in males. MD induced an increase in the permeability of the BBB, an imbalance between oxidative stress and antioxidant defenses. Treatments regulated the oxidative damage and the integrity of the BBB induced by MD. The treatment with escitalopram, ketamine, or probiotics may prevent behavioral and neurochemical changes associated with MDD, depending on the developmental period and gender.
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Affiliation(s)
- Anelise S Carlessi
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Maria Eduarda M Botelho
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Luana M Manosso
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Laura A Borba
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Larissa R Maciel
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Natalia M Andrade
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Nicoly S Martinello
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Alex Paulo Z Padilha
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Camille M Generoso
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Clara Vitória Bencke
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Airam B de Moura
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Bruna F Lodetti
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Allan Collodel
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Larissa Joaquim
- Laboratory of Clinical and Experimental Pathophysiology, Postgraduate Program in Health Sciences, University of Southern Santa Catarina (UNISUL), Tubarão, SC, Brazil
| | - Sandra Bonfante
- Laboratory of Clinical and Experimental Pathophysiology, Postgraduate Program in Health Sciences, University of Southern Santa Catarina (UNISUL), Tubarão, SC, Brazil
| | - Erica Biehl
- Laboratory of Clinical and Experimental Pathophysiology, Postgraduate Program in Health Sciences, University of Southern Santa Catarina (UNISUL), Tubarão, SC, Brazil
| | - Jaqueline S Generoso
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Camila O Arent
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil
| | - Tatiana Barichello
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil; Laboratory of Clinical and Experimental Pathophysiology, Postgraduate Program in Health Sciences, University of Southern Santa Catarina (UNISUL), Tubarão, SC, Brazil
| | - Fabricia Petronilho
- Laboratory of Clinical and Experimental Pathophysiology, Postgraduate Program in Health Sciences, University of Southern Santa Catarina (UNISUL), Tubarão, SC, Brazil
| | - João Quevedo
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil; Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA; Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA; Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Gislaine Z Réus
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciuma, SC, Brazil.
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Investigation of Anxiety- and Depressive-like Symptoms in 4- and 8-Month-Old Male Triple Transgenic Mouse Models of Alzheimer's Disease. Int J Mol Sci 2022; 23:ijms231810816. [PMID: 36142737 PMCID: PMC9501136 DOI: 10.3390/ijms231810816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/30/2022] [Accepted: 09/02/2022] [Indexed: 11/17/2022] Open
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disorder and the most common form of dementia. Approximately 50% of AD patients show anxiety and depressive symptoms, which may contribute to cognitive decline. We aimed to investigate whether the triple-transgenic mouse (3xTg-AD) is a good preclinical model of this co-morbidity. The characteristic histological hallmarks are known to appear around 6-month; thus, 4- and 8-month-old male mice were compared with age-matched controls. A behavioral test battery was used to examine anxiety- (open field (OF), elevated plus maze, light-dark box, novelty suppressed feeding, and social interaction (SI) tests), and depression-like symptoms (forced swim test, tail suspension test, sucrose preference test, splash test, and learned helplessness) as well as the cognitive decline (Morris water maze (MWM) and social discrimination (SD) tests). Acetylcholinesterase histochemistry visualized cholinergic fibers in the cortex. Dexamethasone-test evaluated the glucocorticoid non-suppression. In the MWM, the 3xTg-AD mice found the platform later than controls in the 8-month-old cohort. The SD abilities of the 3xTg-AD mice were missing at both ages. In OF, both age groups of 3xTg-AD mice moved significantly less than the controls. During SI, 8-month-old 3xTg-AD animals spent less time with friendly social behavior than the controls. In the splash test, 3xTg-AD mice groomed themselves significantly less than controls of both ages. Cortical fiber density was lower in 8-month-old 3xTg-AD mice compared to the control. Dexamethasone non-suppression was detectable in the 4-month-old group. All in all, some anxiety- and depressive-like symptoms were present in 3xTg-AD mice. Although this strain was not generally more anxious or depressed, some aspects of comorbidity might be studied in selected tests, which may help to develop new possible treatments.
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Petković A, Chaudhury D. Encore: Behavioural animal models of stress, depression and mood disorders. Front Behav Neurosci 2022; 16:931964. [PMID: 36004305 PMCID: PMC9395206 DOI: 10.3389/fnbeh.2022.931964] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/28/2022] [Indexed: 11/17/2022] Open
Abstract
Animal studies over the past two decades have led to extensive advances in our understanding of pathogenesis of depressive and mood disorders. Among these, rodent behavioural models proved to be of highest informative value. Here, we present a comprehensive overview of the most popular behavioural models with respect to physiological, circuit, and molecular biological correlates. Behavioural stress paradigms and behavioural tests are assessed in terms of outcomes, strengths, weaknesses, and translational value, especially in the domain of pharmacological studies.
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Affiliation(s)
| | - Dipesh Chaudhury
- Laboratory of Neural Systems and Behaviour, Department of Biology, New York University Abu Dhabi, Abu Dhabi, United Arab Emirates
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Neurobiological Mechanisms Modulating Emotionality, Cognition and Reward-Related Behaviour in High-Fat Diet-Fed Rodents. Int J Mol Sci 2022; 23:ijms23147952. [PMID: 35887310 PMCID: PMC9317076 DOI: 10.3390/ijms23147952] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/15/2022] [Accepted: 07/16/2022] [Indexed: 01/27/2023] Open
Abstract
Affective and substance-use disorders are associated with overweight and obesity-related complications, which are often due to the overconsumption of palatable food. Both high-fat diets (HFDs) and psychostimulant drugs modulate the neuro-circuitry regulating emotional processing and metabolic functions. However, it is not known how they interact at the behavioural level, and whether they lead to overlapping changes in neurobiological endpoints. In this literature review, we describe the impact of HFDs on emotionality, cognition, and reward-related behaviour in rodents. We also outline the effects of HFD on brain metabolism and plasticity involving mitochondria. Moreover, the possible overlap of the neurobiological mechanisms produced by HFDs and psychostimulants is discussed. Our in-depth analysis of published results revealed that HFDs have a clear impact on behaviour and underlying brain processes, which are largely dependent on the developmental period. However, apart from the studies investigating maternal exposure to HFDs, most of the published results involve only male rodents. Future research should also examine the biological impact of HFDs in female rodents. Further knowledge about the molecular mechanisms linking stress and obesity is a crucial requirement of translational research and using rodent models can significantly advance the important search for risk-related biomarkers and the development of clinical intervention strategies.
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Salaka RJ, Nair KP, Sasibhushana RB, Udayakumar D, Kutty BM, Srikumar BN, Shankaranarayana Rao BS. Differential effects of levetiracetam on hippocampal CA1 synaptic plasticity and molecular changes in the dentate gyrus in epileptic rats. Neurochem Int 2022; 158:105378. [PMID: 35753511 DOI: 10.1016/j.neuint.2022.105378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/27/2022] [Accepted: 06/12/2022] [Indexed: 11/25/2022]
Abstract
Temporal lobe epilepsy (TLE) is the most common form of focal epilepsies. Pharmacological treatment with anti-seizure drugs (ASDs) remains the mainstay in epilepsy management. Levetiracetam (LEV) is a second-generation ASD with a novel SV2A protein target and is indicated for treating focal epilepsies. While there is considerable literature in acute models, its effect in chronic epilepsy is less clear. Particularly, its effects on neuronal excitability, synaptic plasticity, adult hippocampal neurogenesis, and histological changes in chronic epilepsy have not been evaluated thus far, which formed the basis of the present study. Six weeks post-lithium-pilocarpine-induced status epilepticus (SE), epileptic rats were injected with levetiracetam (54mg/kg b.w. i.p.) once daily for two weeks. Following LEV treatment, Schaffer collateral - CA1 (CA3-CA1) synaptic plasticity and structural changes in hippocampal subregions CA3 and CA1 were evaluated. The number of doublecortin (DCX+) and reelin (RLN+) positive neurons was estimated. Further, mossy fiber sprouting was evaluated in DG by Timm staining, and splash test was performed to assess the anxiety-like behavior. Chronic epilepsy resulted in decreased basal synaptic transmission and increased paired-pulse facilitation without affecting post-tetanic potentiation and long-term potentiation. Moreover, chronic epilepsy decreased hippocampal subfields volume, adult hippocampal neurogenesis, and increased reelin expression and mossy fiber sprouting with increased anxiety-like behavior. LEV treatment restored basal synaptic transmission and paired-pulse facilitation ratio in CA3-CA1 synapses. LEV also restored the CA1 subfield volume in chronic epilepsy. LEV did not affect epilepsy-induced abnormal adult hippocampal neurogenesis, ectopic migration of newborn granule cells, mossy fiber sprouting in DG, and anxiety-like behavior. Our results indicate that in addition to reducing seizures, LEV has favorable effects on synaptic transmission and structural plasticity in chronic epilepsy. These findings add new dimensions to the use of LEV in chronic epilepsy and paves way for further research into its effects on cognition and affective behavior.
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Affiliation(s)
- Raghava Jagadeesh Salaka
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences, Bengaluru, India
| | - Kala P Nair
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences, Bengaluru, India
| | | | - Deepashree Udayakumar
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences, Bengaluru, India
| | - Bindu M Kutty
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences, Bengaluru, India
| | - Bettadapura N Srikumar
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences, Bengaluru, India
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Pagliusi M, Franco D, Cole S, Morais-Silva G, Chandra R, Fox ME, Iñiguez SD, Sartori CR, Lobo MK. The BDNF-TrkB Pathway Acts Through Nucleus Accumbens D2 Expressing Neurons to Mediate Stress Susceptible Outcomes. Front Psychiatry 2022; 13:854494. [PMID: 35722560 PMCID: PMC9200970 DOI: 10.3389/fpsyt.2022.854494] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 04/29/2022] [Indexed: 11/13/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF) has a critical role in stress response including neuropsychiatric disorders that are precipitated by stress, such as major depressive disorder (MDD). BDNF acts through its full-length BDNF receptor tyrosine kinase B (TrkB) to trigger a pro-plasticity effect. In contrast, the truncated isoform of the BDNF receptor (TrkB.t1) triggers an anti-plasticity effect. In stress outcomes, BDNF acting in the hippocampus has a stress resilience effect, and, inversely, in the nucleus accumbens (NAc), BDNF acts as a stress susceptible molecule. It is unknown if BDNF-TrkB acts on a specific NAc projection neuron, i.e., medium spiny neuron (MSN or spiny projection neuron), a subtype in stress outcomes. To determine this, we performed chronic social or vicarious witness defeat stress (CSDS or CWDS) in mice expressing TrkB.t1 in dopamine receptor 1 or 2 containing MSNs (D1- or D2-MSNs). Our results showed that TrkB.t1 overexpression in NAc D2-MSNs prevented the CSDS-induced social avoidance or other stress susceptible behaviors in male and female mice. We further showed that this overexpression in D2-MSNs blocked stress susceptible behavior induced by intra-NAc BDNF infusion. In contrast, our results demonstrate that overexpression of TrkB.t1 on NAc D1-MSNs facilitates the SDS susceptible behaviors. Our study provides enhanced details into the NAc cell subtype role of BDNF-TrkB signaling in stress outcomes.
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Affiliation(s)
- Marco Pagliusi
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
- Department of Structural and Functional Biology, University of Campinas, Campinas, Brazil
| | - Daniela Franco
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Shannon Cole
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Gessynger Morais-Silva
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
- School of Pharmaceutical Sciences, São Paulo State University, Araraquara, Brazil
| | - Ramesh Chandra
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Megan E. Fox
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Sergio D. Iñiguez
- Department of Psychology, University of Texas at El Paso, El Paso, TX, United States
| | - Cesar R. Sartori
- Department of Structural and Functional Biology, University of Campinas, Campinas, Brazil
| | - Mary Kay Lobo
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
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Palavra F, Viana SD, Henriques S, Dinis J, Martins J, Madeira MH, Santiago R, Petrella L, Sereno J, Castelo-Branco M, Pereira FC, Almeida L, Ambrósio AF, Reis F. Defining milestones for the study of remyelination using the cuprizone mouse model: how early is early? Mult Scler Relat Disord 2022; 63:103886. [DOI: 10.1016/j.msard.2022.103886] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 04/06/2022] [Accepted: 05/13/2022] [Indexed: 10/18/2022]
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Caradonna SG, Zhang TY, O’Toole N, Shen MJ, Khalil H, Einhorn NR, Wen X, Parent C, Lee FS, Akil H, Meaney MJ, McEwen BS, Marrocco J. Genomic modules and intramodular network concordance in susceptible and resilient male mice across models of stress. Neuropsychopharmacology 2022; 47:987-999. [PMID: 34848858 PMCID: PMC8938529 DOI: 10.1038/s41386-021-01219-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/28/2021] [Accepted: 10/18/2021] [Indexed: 12/24/2022]
Abstract
The multifactorial etiology of stress-related disorders necessitates a constant interrogation of the molecular convergences in preclinical models of stress that use disparate paradigms as stressors spanning from environmental challenges to genetic predisposition to hormonal signaling. Using RNA-sequencing, we investigated the genomic signatures in the ventral hippocampus common to mouse models of stress. Chronic oral corticosterone (CORT) induced increased anxiety- and depression-like behavior in wild-type male mice and male mice heterozygous for the gene coding for brain-derived neurotrophic factor Val66Met, a variant associated with genetic susceptibility to stress. In a separate set of male mice, chronic social defeat stress (CSDS) led to a susceptible or a resilient population, whose proportion was dependent on housing conditions, namely standard housing or enriched environment. Rank-rank-hypergeometric overlap (RRHO), a threshold-free approach that ranks genes by their p value and effect size direction, was used to identify genes from a continuous gradient of significancy that were concordant across groups. In mice treated with CORT and in standard-housed susceptible mice, differentially expressed genes (DEGs) were concordant for gene networks involved in neurotransmission, cytoskeleton function, and vascularization. Weighted gene co-expression analysis generated 54 gene hub modules and revealed two modules in which both CORT and CSDS-induced enrichment in DEGs, whose function was concordant with the RRHO predictions, and correlated with behavioral resilience or susceptibility. These data showed transcriptional concordance across models in which the stress coping depends upon hormonal, environmental, or genetic factors revealing common genomic drivers that embody the multifaceted nature of stress-related disorders.
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Affiliation(s)
- Salvatore G. Caradonna
- grid.134907.80000 0001 2166 1519Laboratory of Neuroendocrinology, The Rockefeller University, New York, NY USA
| | - Tie-Yuan Zhang
- grid.14709.3b0000 0004 1936 8649Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Nicholas O’Toole
- grid.14709.3b0000 0004 1936 8649Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Mo-Jun Shen
- grid.452264.30000 0004 0530 269XSingapore Institute for Clinical Sciences, Singapore, Singapore
| | - Huzefa Khalil
- grid.214458.e0000000086837370Michigan Neuroscience Institute, University of Michigan, Ann Arbor, MI USA
| | - Nathan R. Einhorn
- grid.134907.80000 0001 2166 1519Laboratory of Neuroendocrinology, The Rockefeller University, New York, NY USA
| | - Xianglan Wen
- grid.14709.3b0000 0004 1936 8649Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Carine Parent
- grid.14709.3b0000 0004 1936 8649Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Francis S. Lee
- grid.5386.8000000041936877XDepartment of Psychiatry, Sackler Institute for Developmental Psychobiology, Weill Cornell Medical College, New York, NY USA
| | - Huda Akil
- grid.214458.e0000000086837370Michigan Neuroscience Institute, University of Michigan, Ann Arbor, MI USA
| | - Michael J. Meaney
- grid.14709.3b0000 0004 1936 8649Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,grid.452264.30000 0004 0530 269XSingapore Institute for Clinical Sciences, Singapore, Singapore ,grid.4280.e0000 0001 2180 6431Yong Loo Lin School of Medicine, Singapore, Singapore ,grid.14709.3b0000 0004 1936 8649Sackler Program for Epigenetics & Psychobiology, McGill University, Montreal, QC Canada
| | - Bruce S. McEwen
- grid.134907.80000 0001 2166 1519Laboratory of Neuroendocrinology, The Rockefeller University, New York, NY USA
| | - Jordan Marrocco
- Laboratory of Neuroendocrinology, The Rockefeller University, New York, NY, USA.
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Morais-Silva G, Gomes-de-Souza L, Costa-Ferreira W, Pavan JC, Crestani CC, Marin MT. Cardiovascular Reactivity to a Novel Stressor: Differences on Susceptible and Resilient Rats to Social Defeat Stress. Front Physiol 2022; 12:781447. [PMID: 35250603 PMCID: PMC8889071 DOI: 10.3389/fphys.2021.781447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
Prolonged and heightened responses to stress are known factors that influence the development of mood disorders and cardiovascular diseases. Moreover, the coping strategies related to the experience of adverse events, i.e., resilience or the susceptibility to stress, are determinants for the individual risk of developing such diseases. Susceptible rats to the social defeat stress (SDS), identified by the social interaction test (SIT), show behavioral and cardiovascular alterations after SDS exposure that are not found in resilient rats. However, it is not elucidated yet how the cardiovascular system of susceptible and resilient phenotypes responds to a new stressor after SDS exposure. Thus, using the SDS exposure followed by the SIT, we evaluated heart rate, blood pressure (BP), tail skin temperature, and circulating corticosterone responses to an acute session of restraint stress in susceptible and resilient rats to SDS. Susceptible rats showed resting tachycardia and exaggerated BP response to restraint stress, while resilient rats did not present such alterations. In contrast, both phenotypes showed increased plasma corticosterone and a drop in tail skin temperature to restraint stress, which was similar to that observed in control animals. Our results revealed an increased cardiovascular reactivity in response to a new stressful stimulus in susceptible rats, which might be related to a greater risk for the development of cardiovascular diseases.
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Affiliation(s)
- Gessynger Morais-Silva
- Laboratory of Pharmacology, School of Pharmaceutical Sciences of Araraquara, São Paulo State University, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, Araraquara, Brazil
| | - Lucas Gomes-de-Souza
- Laboratory of Pharmacology, School of Pharmaceutical Sciences of Araraquara, São Paulo State University, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, Araraquara, Brazil
| | - Willian Costa-Ferreira
- Laboratory of Pharmacology, School of Pharmaceutical Sciences of Araraquara, São Paulo State University, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, Araraquara, Brazil
| | - Jacqueline C. Pavan
- Laboratory of Pharmacology, School of Pharmaceutical Sciences of Araraquara, São Paulo State University, Araraquara, Brazil
| | - Carlos C. Crestani
- Laboratory of Pharmacology, School of Pharmaceutical Sciences of Araraquara, São Paulo State University, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, Araraquara, Brazil
| | - Marcelo T. Marin
- Laboratory of Pharmacology, School of Pharmaceutical Sciences of Araraquara, São Paulo State University, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF), UFSCar/UNESP, Araraquara, Brazil
- *Correspondence: Marcelo T. Marin,
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Eacret D, Noreck J, Blendy J. Adenosine Monophosphate-activated Protein Kinase (AMPK) in serotonin neurons mediates select behaviors during protracted withdrawal from morphine in mice. Behav Brain Res 2022; 419:113688. [PMID: 34843742 PMCID: PMC8688336 DOI: 10.1016/j.bbr.2021.113688] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 11/11/2021] [Accepted: 11/23/2021] [Indexed: 01/02/2023]
Abstract
Serotonin neurotransmission has been implicated in behavior deficits that occur during protracted withdrawal from opioids. In addition, studies have highlighted multiple pathways whereby serotonin (5-HT) modulates energy homeostasis, however the underlying metabolic effects of opioid withdrawal have not been investigated. A key metabolic regulator that senses the energy status of the cell and regulates fuel availability is Adenosine Monophosphate-activated Protein Kinase (AMPK). To investigate the interaction between cellular metabolism and serotonin in modulating protracted abstinence from morphine, we depleted AMPK in serotonin neurons. Morphine exposure via drinking water generates dependence in these mice, and both wildtype and serotonergic AMPK knockout mice consume similar amounts of morphine with no changes in body weight. Serotonergic AMPK contributes to baseline differences in open field and social interaction behaviors and blocks abstinence induced reductions in immobility following morphine withdrawal in the tail suspension test. Lastly, morphine locomotor sensitization is blunted in mice lacking AMPK in serotonin neurons. Taken together, our results suggest serotonergic AMPK mediates both baseline and protracted morphine withdrawal-induced behaviors.
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Affiliation(s)
- D. Eacret
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - J. Noreck
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - J.A. Blendy
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA,Corresponding author , Phone: (215) 898-0730, Fax: (215) 573-2236
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Lipoic acid prevents mirtazapine-induced weight gain in mice without impairs its antidepressant-like action in a neuroendocrine model of depression. Behav Brain Res 2022; 419:113667. [PMID: 34798169 DOI: 10.1016/j.bbr.2021.113667] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 11/24/2022]
Abstract
Mirtazapine (MIRT) is a multi-target antidepressant used in treatment of severe depression with promising efficacy, but also with important side effects, mainly sedation and weight gain. Thus, the present study aimed to test the effects of the neuroprotective antioxidant lipoic acid (ALA) in the reversal of weight and metabolic changes induced by MIRT in corticosterone-induced depression model in mice, as well as proposed mechanisms for their association antidepressant and pro-cognitive effects. To do these male Swiss mice received Tween 80 (control), corticosterone (CORT 20 mg / kg), MIRT (3 mg / kg) and ALA (100 or 200 mg / kg), alone or associated for 21 days. After this, the animals were subjected to behavioral tests for affective and cognitive domains. Daily weight changes, blood cholesterol fractions and corticosterone were measured. Also, hippocampus (HC) protein expression of the serotonin transporter (SERT), synaptophysin, protein kinase B-Akt (total and phosphorylated) and the cytokines IL-4 and IL-6 were investigated. CORT induced a marked depression-like behavior, memory deficits, metabolic changes (total cholesterol and LDL) and increased serum corticosterone. Also, CORT increased SERT expression in the HC. MIRT alone or combined with ALA sustained its antidepressant-like effect, as well as reversed CORT-induced impairment in spatial recognition memory. Additionally, the association MIRT+ALA200 reversed the weight gain induced by the former antidepressant, as well as reduced serum corticosterone levels and SERT expression in the HC. ALA alone induced significant weight loss and reduced total cholesterol and HDL fraction. Our findings provide promising evidence about the ALA potential to prevent metabolic and weight changes associated to MIRT, without impair its antidepressant and pro-cognition actions. Therefore, ALA+MIRT combination could represent a new therapeutic strategy for treating depression with less side effects.
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Khan H, Nazir S, Farooq RK, Khan IN, Javed A. Fabrication and Assessment of Diosgenin Encapsulated Stearic Acid Solid Lipid Nanoparticles for Its Anticancer and Antidepressant Effects Using in vitro and in vivo Models. Front Neurosci 2022; 15:806713. [PMID: 35221890 PMCID: PMC8866708 DOI: 10.3389/fnins.2021.806713] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 12/29/2021] [Indexed: 11/17/2022] Open
Abstract
Inflammatory cascade plays a pivotal role in the onset and progression of major depressive disorder (MDD) and glioblastoma multiforme (GBM). Therefore, questing natural compounds with anti-inflammatory activity such as diosgenin can act as a double-edged sword targeting cancer and cancer-induced inflammation simultaneously. The blood–brain barrier limits the therapeutic efficiency of the drugs against intracranial pathologies including depression and brain cancers. Encapsulating a drug molecule in lipid nanoparticles can overcome this obstacle. The current study has thus investigated the anticancer and antidepressant effect of Tween 80 (P80) coated stearic acid solid lipid nanoparticles (SLNPs) encapsulating the diosgenin. Physio-chemical characterizations of SLNPs were performed to assess their stability, monodispersity, and entrapment efficiency. In vitro cytotoxic analysis of naked and drug encapsulated SLNPs on U-87 cell line indicated diosgenin IC50 value to be 194.4 μM, while diosgenin encapsulation in nanoparticles slightly decreases the toxicity. Antidepressant effects of encapsulated and non-encapsulated diosgenin were comprehensively evaluated in the concanavalin-A–induced sickness behavior mouse model. Behavior test results indicate that diosgenin and diosgenin encapsulated nanoparticles significantly alleviated anxiety-like and depressive behavior. Diosgenin incorporated SLNPs also improved grooming behavior and social interaction as well as showed normal levels of neutrophils and leukocytes with no toxicity indication. In conclusion, diosgenin and diosgenin encapsulated solid lipid nanoparticles proved successful in decreasing in vitro cancer cell proliferation and improving sickness behavioral phenotype and thus merit further exploration.
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Affiliation(s)
- Hina Khan
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Sadia Nazir
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Rai Khalid Farooq
- Department of Neuroscience Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Ishaq N. Khan
- Department of Molecular Biology and Genetics, Institute of Basic Medical Sciences (IBMS), Khyber Medical University, Peshawar, Pakistan
| | - Aneela Javed
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
- Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Science and Technology (NUST), Islamabad, Pakistan
- *Correspondence: Aneela Javed,
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Behavioral, hormonal, and neural alterations induced by social contagion for pain in mice. Neuropharmacology 2022; 203:108878. [PMID: 34774550 DOI: 10.1016/j.neuropharm.2021.108878] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 10/29/2021] [Accepted: 11/07/2021] [Indexed: 12/21/2022]
Abstract
Neurobiology of social contagion/empathy aims to collaborate with the development of treatments for human disorders characterized by the absence of this response - autism spectrum disorder, schizophrenia, and antisocial personality disorder. Previous studies using sustained aversive stimuli (e.g., neuropathic pain or stress) to induce social contagion behaviors in rodents have demonstrated that these conditions may increase hypernociception, anxiogenic-like effects, and defensive behaviors in cagemates. To amplify the knowledge about behavioral, hormonal, and neural alterations induced by cohabitation with a pair in neuropathic pain, we investigated the effects of this protocol on (i) pain (writhing, formalin, hot plate tests) and depression (sucrose splash test) responses, (ii) the serum levels of corticosterone, testosterone, and oxytocin, (iii) noradrenalin, dopamine and its metabolite (DOPAC and HVA) levels in the amygdaloid complex and insular cortex, (iv) neuronal activation pattern (FosB labeling) in the ventral tegmental area (VTA), paraventricular nucleus of the hypothalamus (PVN) and supraoptic nucleus (SO). One day after weaning, male Swiss mice were housed in pairs for 14 days. Then, they were divided into two groups: sciatic nerve constricted cagemate [CNC; i.e., one animal of each pair was subjected to sciatic nerve constriction (NC)], and cagemate sham (CS; a similar procedure but with no nerve constriction), and housed for further 14 days. After 28 days of cohabiting, four independent groups were subjected to (a) behavioral analyses (Exp. 1) and (b) blood samples collected for Elisa assays of corticosterone, testosterone, and oxytocin (Exp. 2), remotion of brains for the (c) HPLC in the noradrenaline dopamine and metabolites quantification (Exp. 3) or (d) immunoassays analyses for FosB labeling (Exp. 4). Results showed that cohabitation with a conspecific in chronic pain induces hypernociception and antinociception in the writhing and formalin tests, respectively, and anhedonic-like effects in the sucrose splash test. Hormonal results indicated a decrease in plasma corticosterone only in nerve constricted mice, in testosterone (CNC and NC animals), and an increase in oxytocin serum levels. The neurochemical analyses demonstrated that the social contagion for pain protocol increases in dopamine turnover in the amygdala and insula. This assay also revealed an increase in noradrenaline levels and dopamine turnover within the insula of NC mice. In the FosB labeling measure, we observed a rise in the VTA, PVN and SO in the CNC group whereas for the NC group an increase of this activation pattern occurred only in the VTA. Present results suggest the role of hormones (testosterone and oxytocin) and neurotransmitters (dopamine) in the modulation of behavioral changes induced by social contagion in animals cohabitating with a conspecific in pain.
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Bouguiyoud N, Roullet F, Bronchti G, Frasnelli J, Al Aïn S. Anxiety and Depression Assessments in a Mouse Model of Congenital Blindness. Front Neurosci 2022; 15:807434. [PMID: 35126047 PMCID: PMC8816321 DOI: 10.3389/fnins.2021.807434] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/27/2021] [Indexed: 12/29/2022] Open
Abstract
Previous studies have reported that visual impairment can affect the quality of life leading to mental health disorders. This study aimed to investigate associations between vision impairment, depression and anxiety using a mouse model of congenital blindness. We phenotyped 15 anophthalmic and 17 sighted adult mice in a battery of tests for anxiety and depression-like behaviors: open field test, elevated plus maze, coated test, splash test, and forced swim test. We found that: (1) Anxiety levels of the anophthalmic mice were significantly lower when compared with sighted mice, (2) Anophthalmic mice displayed more exploratory behaviors in a new environment than the sighted one, and (3) Depression levels between those groups were similar. In conclusion, this behavioral study showed that early visual deprivation lowers anxiety levels, associated with heightened exploratory activity, but does not induce depressive symptoms in a mouse model of congenital blindness, underlying several behavioral adaptations.
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Affiliation(s)
- Nouhaila Bouguiyoud
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- Cognition, Neurosciences, Affect et Comportement (CogNAC) Research Group, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
| | - Florence Roullet
- Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada
| | - Gilles Bronchti
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
| | - Johannes Frasnelli
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- Cognition, Neurosciences, Affect et Comportement (CogNAC) Research Group, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
| | - Syrina Al Aïn
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- Cognition, Neurosciences, Affect et Comportement (CogNAC) Research Group, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- *Correspondence: Syrina Al Aïn
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Arenas MC, Castro-Zavala A, Martín-Sánchez A, Blanco-Gandía MC, Miñarro J, Valverde O, Manzanedo C. Prepulse inhibition can predict the motivational effects of cocaine in female mice exposed to maternal separation. Behav Brain Res 2022; 416:113545. [PMID: 34437938 DOI: 10.1016/j.bbr.2021.113545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 08/19/2021] [Accepted: 08/22/2021] [Indexed: 12/13/2022]
Abstract
The prepulse inhibition (PPI) of the startle response can identify the rodents that are more sensitive to the effects of cocaine. Mice with a lower PPI presented a higher vulnerability to the effects of cocaine and a higher susceptibility to developing a substance use disorder (SUD). Maternal separation with early weaning (MSEW) is a relevant animal model to induce motivational alterations throughout life. Nevertheless, only a few studies on females exist, even though they are more vulnerable to stress- and cocaine-related problems. Hence, the aim of the present study was to evaluate the ability of PPI to identify females with a greater vulnerability to the long-term consequences of early stress on the motivational effects of cocaine. Female mice underwent MSEW and were classified according to their high or low PPI. They were then assessed in the cocaine-induced locomotor sensitization test, the conditioned place preference paradigm or the operant self-administration paradigm. Additionally, they were also evaluated in the passive avoidance task, the tail-suspension and the splash tests. The results revealed that the females with lower PPI presented higher consequences of MSEW on the effects of cocaine and showed an increase in anhedonia-like behaviours. Our findings support that a PPI deficit could represent a biomarker of vulnerability to the effects of cocaine induced by MSEW.
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Affiliation(s)
- M Carmen Arenas
- Unidad de investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de València, Valencia, Spain.
| | - Adriana Castro-Zavala
- Neurobiology of Behaviour Research Group (GReNeC-NeuroBio), Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain
| | - Ana Martín-Sánchez
- Neuroscience Research Program, IMIM-Hospital del Mar Research Institute, Barcelona, Spain
| | - María Carmen Blanco-Gandía
- Unidad de investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de València, Valencia, Spain; Universidad de Zaragoza, Departamento de Psicología y Sociología, Facultad de Ciencias Sociales y Humanas, C/ Ciudad Escolar s/n, 44003, Teruel, Spain
| | - José Miñarro
- Unidad de investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de València, Valencia, Spain
| | - Olga Valverde
- Neurobiology of Behaviour Research Group (GReNeC-NeuroBio), Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain; Neuroscience Research Program, IMIM-Hospital del Mar Research Institute, Barcelona, Spain
| | - Carmen Manzanedo
- Unidad de investigación Psicobiología de las Drogodependencias, Departamento de Psicobiología, Facultad de Psicología, Universitat de València, Valencia, Spain
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