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Jia D, Dou Y, He Y, Zhou X, Gao Y, Ma M, Wu Z, Li W. Saponin extract of Baihe - Zhimu Tang ameliorates depression in chronic mild stress rats. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.103905] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Levy MJF, Boulle F, Steinbusch HW, van den Hove DLA, Kenis G, Lanfumey L. Neurotrophic factors and neuroplasticity pathways in the pathophysiology and treatment of depression. Psychopharmacology (Berl) 2018; 235:2195-2220. [PMID: 29961124 PMCID: PMC6061771 DOI: 10.1007/s00213-018-4950-4] [Citation(s) in RCA: 162] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 06/18/2018] [Indexed: 02/06/2023]
Abstract
Depression is a major health problem with a high prevalence and a heavy socioeconomic burden in western societies. It is associated with atrophy and impaired functioning of cortico-limbic regions involved in mood and emotion regulation. It has been suggested that alterations in neurotrophins underlie impaired neuroplasticity, which may be causally related to the development and course of depression. Accordingly, mounting evidence suggests that antidepressant treatment may exert its beneficial effects by enhancing trophic signaling on neuronal and synaptic plasticity. However, current antidepressants still show a delayed onset of action, as well as lack of efficacy. Hence, a deeper understanding of the molecular and cellular mechanisms involved in the pathophysiology of depression, as well as in the action of antidepressants, might provide further insight to drive the development of novel fast-acting and more effective therapies. Here, we summarize the current literature on the involvement of neurotrophic factors in the pathophysiology and treatment of depression. Further, we advocate that future development of antidepressants should be based on the neurotrophin theory.
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Affiliation(s)
- Marion J F Levy
- Centre de Psychiatrie et Neurosciences (Inserm U894), Université Paris Descartes, 102-108 rue de la santé, 75014, Paris, France
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
| | - Fabien Boulle
- Centre de Psychiatrie et Neurosciences (Inserm U894), Université Paris Descartes, 102-108 rue de la santé, 75014, Paris, France
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
| | - Harry W Steinbusch
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
| | - Daniël L A van den Hove
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
- Department of Psychiatry, Psychosomatics and Psychotherapy, University of Wuerzburg, Wuerzburg, Germany
| | - Gunter Kenis
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
| | - Laurence Lanfumey
- Centre de Psychiatrie et Neurosciences (Inserm U894), Université Paris Descartes, 102-108 rue de la santé, 75014, Paris, France.
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands.
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Huang Y, Liu X, Liao Y, Liao Y, Zou D, Wei X, Huang Q, Wu Y. Role of miR-34c in the cognitive function of epileptic rats induced by pentylenetetrazol. Mol Med Rep 2018; 17:4173-4180. [PMID: 29344671 PMCID: PMC5802187 DOI: 10.3892/mmr.2018.8441] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Accepted: 04/05/2017] [Indexed: 11/11/2022] Open
Abstract
Studies suggest that microRNA (miR)-34c may serve a role in cognitive function in rodent and primate groups. A previous study demonstrated an increase in miR-34c expression in chronic epileptic rats with memory disorders, induced by pentylenetetrazol (PTZ). However, the mechanism underlying the effects of miR-34c on cognitive function in epileptic rats remains unclear. Therefore, the present study investigated alterations in cognitive function in temporal lobe epileptic rats, induced by repeated injections of PTZ, following treatment with an miR-34c agomir compared with a scramble group. Increased expression of miR-34c was observed in the agomir group, in addition to an increased deficit in learning and memory function in the Morris water maze test. Glutamate receptor ionotropic N-methyl-D-aspartate (NMDA) 2B (NR2B), phosphorylated (p)-reduced nicotinamide-adenine dinucleotide phosphate-dependent diflavin oxidoreductase 1 (NR1) and p-glutamate receptor 1 (GluR1) protein expression was detected in the hippocampus using western blotting. Additionally, the downregulation of NR2B, p-NR1 and p-GluR1 in the miR-34c agomir group demonstrated that miR-34c may serve a negative role in cognitive function in epileptic seizures, by dysregulating NMDA and α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors, which are associated with long-term potentiation.
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Affiliation(s)
- Yiqing Huang
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Xixia Liu
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Yuhan Liao
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Yayun Liao
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Donghua Zou
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Xing Wei
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Qi Huang
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Yuan Wu
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
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Recording Field Potentials and Synaptic Plasticity From Freely Behaving Rodents. HANDBOOK OF BEHAVIORAL NEUROSCIENCE 2018. [DOI: 10.1016/b978-0-12-812028-6.00001-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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The lateral habenula interacts with the hypothalamo-pituitary adrenal axis response upon stressful cognitive demand in rats. Behav Brain Res 2017; 341:63-70. [PMID: 29248667 DOI: 10.1016/j.bbr.2017.12.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Revised: 11/29/2017] [Accepted: 12/11/2017] [Indexed: 11/22/2022]
Abstract
The lateral habenula (LHb) is involved in emotional and cognitive behaviors. Recently, we have shown in rats that blockade of excitatory inputs to the LHb not only induced deficits of memory retrieval in the water maze, but also altered swim strategies (i.e., induced excessive thigmotaxis). The latter observation, although consistent with the occurrence of memory deficits, could also possibly be the consequence of an excessive level of stress, further suggesting a role for the LHb in the stress response in our behavioral paradigm. To test this hypothesis we performed in rats intra-LHb infusion of 6-cyano-7-nitroquinoxaline-2,3-dione (CNQX, 267 ng/side in 0.3 μL), or vehicle, and assessed the responsiveness of the hypothalamo-pituitary adrenal (HPA) axis to environmental stressful or non-stressful situations. We have measured plasma corticosterone (CORT) concentrations at different time points before and following intra-LHb infusion of CNQX - or of the same volume of vehicle - in three conditions: during the probe test of a water maze experiment; in an anxiety test, the elevated plus maze; and in a home cage condition. Whereas there were no differences in the home cage condition and in the elevated plus maze, in the water maze experiment we observed that CNQX-treated rats presented, along with memory deficits, a higher level of blood CORT than vehicle-treated rats. These results suggest that perturbations of the modulation of the HPA axis are consecutive to the alteration of LHb function, whether it is the result of a defective direct control of the LHb over the HPA axis, or the consequence of memory deficits.
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D'Arcangelo G, Triossi T, Buglione A, Melchiorri G, Tancredi V. Modulation of synaptic plasticity by short-term aerobic exercise in adult mice. Behav Brain Res 2017; 332:59-63. [PMID: 28559180 DOI: 10.1016/j.bbr.2017.05.058] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 05/17/2017] [Accepted: 05/24/2017] [Indexed: 11/19/2022]
Abstract
Physiological effects of different types, of continuous and interval aerobic training, have been largely described and studied in the adult man. It was previously indicated that interval training plays an important role in maximizing both peripheral muscle and central cardiorespiratory adaptations, permitting significant functional improvement even in healthy sedentary subjects. Since the outcome of different aerobic training trials on cognitive processes had never been evaluated, we compared, on an experimental mouse model, the effects of four training exercise protocols, named respectively C100, I100, C50 and I50 depending on the volume and on the type of training proposed, continuous or interval method. Therefore, to asses quantitative and qualitative functional changes, we analyzed several physical parameters before and after 6 weeks training in all four groups with respect to the control sedentary animals and we studied synaptic plasticity, by extracellular in vitro recordings, in hippocampal mouse slices, a region involved in learning and memory processes. We found that all four protocols of exercise applied in this study exerted positive effects on both physical and training parameters inducing weight augmentation, strength endurance and aerobic endurance increase, and potentiation of motor coordination. However, the improvement observed failed to induce an enhancement in synaptic plasticity in three out of four exercise protocols and only in the slices from mice trained with the interval 50% volume exercise the long term potentiation (LTP) increased with respect to the sedentary group. These findings suggest that motor activity exerts positive effects on cognitive processes provided that certain principles are respected, such as the training load and the elements of which it is composed, in order to plan the right quantitative and qualitative parameters and the appropriate recovery periods.
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Affiliation(s)
- G D'Arcangelo
- Department of Medical Systems, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy.
| | - T Triossi
- Department of Medical Systems, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - A Buglione
- Department of Medical Systems, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - G Melchiorri
- Department of Medical Systems, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - V Tancredi
- Department of Medical Systems, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
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The impacts of diabetes in pregnancy on hippocampal synaptogenesis in rat neonates. Neuroscience 2016; 318:122-33. [DOI: 10.1016/j.neuroscience.2016.01.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 12/28/2015] [Accepted: 01/11/2016] [Indexed: 11/21/2022]
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Izumi Y, O'Dell KA, Zorumski CF. Corticosterone enhances the potency of ethanol against hippocampal long-term potentiation via local neurosteroid synthesis. Front Cell Neurosci 2015; 9:254. [PMID: 26190975 PMCID: PMC4490241 DOI: 10.3389/fncel.2015.00254] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Accepted: 06/22/2015] [Indexed: 01/05/2023] Open
Abstract
Corticosterone is known to accumulate in brain after various stressors including alcohol intoxication. Just as severe alcohol intoxication is typically required to impair memory formation only high concentrations of ethanol (60 mM) acutely inhibit long-term potentiation (LTP), a cellular memory mechanism, in naïve hippocampal slices. This LTP inhibition involves synthesis of neurosteroids, including allopregnanolone, and appears to involve a form of cellular stress. In the CA1 region of rat hippocampal slices, we examined whether a lower concentration of ethanol (20 mM) inhibits LTP in the presence of corticosterone, a stress-related modulator, and whether corticosterone stimulates local neurosteroid synthesis. Although low micromolar corticosterone alone did not inhibit LTP induction, we found that 20 mM ethanol inhibited LTP in the presence of corticosterone. At 20 mM, ethanol alone did not stimulate neurosteroid synthesis or inhibit LTP. LTP inhibition by corticosterone plus ethanol was blocked by finasteride, an inhibitor of 5α-reductase, suggesting a role for neurosteroid synthesis. We also found that corticosterone alone enhanced neurosteroid immunostaining in CA1 pyramidal neurons and that this immunostaining was further augmented by 20 mM ethanol. The enhanced neurosteroid staining was blocked by finasteride and the N-methyl-D-aspartate antagonist, 2-amino-5-phosphonovalerate (APV). These results indicate that corticosterone promotes neurosteroid synthesis in hippocampal pyramidal neurons and can participate in ethanol-mediated synaptic dysfunction even at moderate ethanol levels. These effects may contribute to the influence of stress on alcohol-induced cognitive impairment.
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Affiliation(s)
- Yukitoshi Izumi
- Department of Psychiatry, Taylor Family Institute for Innovative Psychiatric Research, Washington University School of Medicine St. Louis, MO, USA
| | - Kazuko A O'Dell
- Department of Psychiatry, Taylor Family Institute for Innovative Psychiatric Research, Washington University School of Medicine St. Louis, MO, USA
| | - Charles F Zorumski
- Department of Psychiatry, Taylor Family Institute for Innovative Psychiatric Research, Washington University School of Medicine St. Louis, MO, USA
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Borsoi M, Antonio CB, Viana AF, Nardin P, Gonçalves CA, Rates SMK. Immobility behavior during the forced swim test correlates with BNDF levels in the frontal cortex, but not with cognitive impairments. Physiol Behav 2014; 140:79-88. [PMID: 25496978 DOI: 10.1016/j.physbeh.2014.12.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 12/03/2014] [Accepted: 12/04/2014] [Indexed: 12/22/2022]
Abstract
The forced swim test (FST) is widely used to evaluate the antidepressant-like activity of compounds and is sensitive to stimuli that cause depression-like behaviors in rodents. The immobility behavior observed during the test has been considered to represent behavioral despair. In addition, some studies suggest that the FST impairs rats' performance on cognitive tests, but these findings have rarely been explored. Thus, we investigated the effects of the FST on behavioral tests related to neuropsychiatric diseases that involve different cognitive components: novel object recognition (NOR), the object location test (OLT) and prepulse inhibition (PPI). Brain-derived neurotrophic factor (BDNF) levels in the frontal cortex and hippocampus were evaluated. The rats were forced to swim twice (15-min session followed by a 5-min session 24h later) and underwent cognitive tests 24h after the last swimming exposure. The FST impaired the rats' performance on the OLT and reduced the PPI and acoustic startle responses, whereas the NOR was not affected. The cognitive impairments were not correlated with an immobility behavior profile, but a significant negative correlation between the frontal BDNF levels and immobility behavior was identified. These findings suggest a protective role of BDNF against behavioral despair and demonstrate a deleterious effect of the FST on spatial memory and pre-attentive processes, which point to the FST as a tool to induce cognitive impairments analogous to those observed in depression and in other neuropsychiatric disorders.
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Affiliation(s)
- Milene Borsoi
- Graduate Studies Program in Neurosciences, Federal University of Rio Grande do Sul, 500 Sarmento Leite Street, ZIP code 90046-900 Porto Alegre, RS, Brazil
| | - Camila Boque Antonio
- Graduate Studies Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, 2752 Ipiranga Avenue, ZIP code 90610-000 Porto Alegre, RS, Brazil
| | - Alice Fialho Viana
- Graduate Studies Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, 2752 Ipiranga Avenue, ZIP code 90610-000 Porto Alegre, RS, Brazil
| | - Patrícia Nardin
- Graduate Studies Program in Biochemistry, Federal University of Rio Grande do Sul, 2600 Ramiro Barcelos Street, ZIP code 90035-003 Porto Alegre, RS, Brazil
| | - Carlos-Alberto Gonçalves
- Graduate Studies Program in Neurosciences, Federal University of Rio Grande do Sul, 500 Sarmento Leite Street, ZIP code 90046-900 Porto Alegre, RS, Brazil; Graduate Studies Program in Biochemistry, Federal University of Rio Grande do Sul, 2600 Ramiro Barcelos Street, ZIP code 90035-003 Porto Alegre, RS, Brazil
| | - Stela Maris Kuze Rates
- Graduate Studies Program in Neurosciences, Federal University of Rio Grande do Sul, 500 Sarmento Leite Street, ZIP code 90046-900 Porto Alegre, RS, Brazil; Graduate Studies Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, 2752 Ipiranga Avenue, ZIP code 90610-000 Porto Alegre, RS, Brazil.
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