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Han M, Zeng D, Tan W, Chen X, Bai S, Wu Q, Chen Y, Wei Z, Mei Y, Zeng Y. Brain region-specific roles of brain-derived neurotrophic factor in social stress-induced depressive-like behavior. Neural Regen Res 2025; 20:159-173. [PMID: 38767484 DOI: 10.4103/nrr.nrr-d-23-01419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 01/19/2024] [Indexed: 05/22/2024] Open
Abstract
Brain-derived neurotrophic factor is a key factor in stress adaptation and avoidance of a social stress behavioral response. Recent studies have shown that brain-derived neurotrophic factor expression in stressed mice is brain region-specific, particularly involving the corticolimbic system, including the ventral tegmental area, nucleus accumbens, prefrontal cortex, amygdala, and hippocampus. Determining how brain-derived neurotrophic factor participates in stress processing in different brain regions will deepen our understanding of social stress psychopathology. In this review, we discuss the expression and regulation of brain-derived neurotrophic factor in stress-sensitive brain regions closely related to the pathophysiology of depression. We focused on associated molecular pathways and neural circuits, with special attention to the brain-derived neurotrophic factor-tropomyosin receptor kinase B signaling pathway and the ventral tegmental area-nucleus accumbens dopamine circuit. We determined that stress-induced alterations in brain-derived neurotrophic factor levels are likely related to the nature, severity, and duration of stress, especially in the above-mentioned brain regions of the corticolimbic system. Therefore, BDNF might be a biological indicator regulating stress-related processes in various brain regions.
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Affiliation(s)
- Man Han
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Deyang Zeng
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Wei Tan
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Xingxing Chen
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Shuyuan Bai
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Qiong Wu
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Yushan Chen
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Zhen Wei
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Yufei Mei
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
| | - Yan Zeng
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei Province, China
- School of Public Health, Wuhan University of Science and Technology, Wuhan, Hubei Province, China
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Masella G, Silva F, Corti E, Azkona G, Madeira MF, Tomé ÂR, Ferreira SG, Cunha RA, Duarte CB, Santos M. The amygdala NT3-TrkC pathway underlies inter-individual differences in fear extinction and related synaptic plasticity. Mol Psychiatry 2024; 29:1322-1337. [PMID: 38233468 PMCID: PMC11189811 DOI: 10.1038/s41380-024-02412-z] [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: 06/13/2023] [Revised: 12/29/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024]
Abstract
Fear-related pathologies are among the most prevalent psychiatric conditions, having inappropriate learned fear and resistance to extinction as cardinal features. Exposure therapy represents a promising therapeutic approach, the efficiency of which depends on inter-individual variation in fear extinction learning, which neurobiological basis is unknown. We characterized a model of extinction learning, whereby fear-conditioned mice were categorized as extinction (EXT)-success or EXT-failure, according to their inherent ability to extinguish fear. In the lateral amygdala, GluN2A-containing NMDAR are required for LTP and stabilization of fear memories, while GluN2B-containing NMDAR are required for LTD and fear extinction. EXT-success mice showed attenuated LTP, strong LTD and higher levels of synaptic GluN2B, while EXT-failure mice showed strong LTP, no LTD and higher levels of synaptic GluN2A. Neurotrophin 3 (NT3) infusion in the lateral amygdala was sufficient to rescue extinction deficits in EXT-failure mice. Mechanistically, activation of tropomyosin receptor kinase C (TrkC) with NT3 in EXT-failure slices attenuated lateral amygdala LTP, in a GluN2B-dependent manner. Conversely, blocking endogenous NT3-TrkC signaling with TrkC-Fc chimera in EXT-success slices strengthened lateral amygdala LTP. Our data support a key role for the NT3-TrkC system in inter-individual differences in fear extinction in rodents, through modulation of amygdalar NMDAR composition and synaptic plasticity.
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Affiliation(s)
- Gianluca Masella
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra (iiiUC), Coimbra, Portugal
| | - Francisca Silva
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra (iiiUC), Coimbra, Portugal
| | - Elisa Corti
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra (iiiUC), Coimbra, Portugal
| | - Garikoitz Azkona
- Department of Basic Psychological Processes and Their Development, School of Psychology, University of the Basque Country (UPV/EHU), San Sebastian, Spain
| | - Maria Francisca Madeira
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra (iiiUC), Coimbra, Portugal
| | - Ângelo R Tomé
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Samira G Ferreira
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra (iiiUC), Coimbra, Portugal
| | - Rodrigo A Cunha
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Carlos B Duarte
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Mónica Santos
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.
- Institute of Interdisciplinary Research, University of Coimbra (iiiUC), Coimbra, Portugal.
- Centre for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.
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Machado Batista Sohn J, Cardoso NC, Raymundi AM, Prickaerts J, Stern CAJ. Phosphodiesterase 4 inhibition after retrieval switches the memory fate favoring extinction instead of reconsolidation. Sci Rep 2023; 13:20384. [PMID: 37990053 PMCID: PMC10663466 DOI: 10.1038/s41598-023-47717-1] [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: 08/01/2023] [Accepted: 11/17/2023] [Indexed: 11/23/2023] Open
Abstract
Phosphodiesterase 4 (PDE4), an enzyme expressed in the dorsal hippocampus (DH), hydrolyzes the cAMP, limiting the PKA-induced CREB phosphorylation (pCREB) and BDNF expression. Depending on the brain region, PKA and pCREB mediate reconsolidation or extinction, whereas BDNF is mainly related to extinction facilitation. The mechanisms underpinning the switch between reconsolidation and extinction are relatively unknown. Here, we tested the hypothesis that PDE4 might control these processes. We showed in Wistar rats submitted to contextual fear conditioning that PDE4 inhibition with roflumilast (ROF) within the DH, after a short retrieval, did not change freezing behavior after one day (TestA1). After 10 days, the ROF-treated group significantly reduced the expression of freezing behavior. This effect depended on retrieval, Test A1 exposure, and reinstated after a remainder foot shock, suggesting an extinction facilitation. The ROF effect depended on PKA after retrieval or, protein synthesis after Test A1. After retrieval, ROF treatment did not change the pCREB/CREB ratio in the DH. It enhanced proBDNF expression without changing pre-proBDNF or mature BDNF in the DH after Test A1. The results suggest that the inhibition of PDE4 in the DH after a short retrieval changes the memory sensibility from reconsolidation to extinction via regulating proBDNF expression.
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Affiliation(s)
- Jeferson Machado Batista Sohn
- Department of Pharmacology, Federal University of Parana, Curitiba, PR, Brazil
- Department of Psychiatry and Neuropsychology, School of Mental Health and Neuroscience, University of Maastricht, Maastricht, The Netherlands
| | | | - Ana Maria Raymundi
- Department of Pharmacology, Federal University of Parana, Curitiba, PR, Brazil
| | - Jos Prickaerts
- Department of Psychiatry and Neuropsychology, School of Mental Health and Neuroscience, University of Maastricht, Maastricht, The Netherlands
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Sun W, Mei Y, Li X, Yang Y, An L. Maternal immune activation-induced proBDNF-mediated neural information processing dysfunction at hippocampal CA3-CA1 synapses associated with memory deficits in offspring. Front Cell Dev Biol 2022; 10:1018586. [PMID: 36438556 PMCID: PMC9691851 DOI: 10.3389/fcell.2022.1018586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 10/27/2022] [Indexed: 11/07/2023] Open
Abstract
Prenatal exposure to maternal infection increases the risk of offspring developing schizophrenia in adulthood. Current theories suggest that the consequences of MIA on mBDNF secretion may underlie the increased risk of cognitive disorder. There is little evidence for whether the expression of its precursor, proBDNF, is changed and how proBDNF-mediated signaling may involve in learning and memory. In this study, proBDNF levels were detected in the hippocampal CA1 and CA3 regions of male adult rats following MIA by prenatal polyI:C exposure. Behaviorally, learning and memory were assessed in contextual fear conditioning tasks. Local field potentials were recorded in the hippocampal CA3-CA1 pathway. The General Partial Directed Coherence approach was utilized to identify the directional alternation of neural information flow between CA3 and CA1 regions. EPSCs were recorded in CA1 pyramidal neurons to explore a possible mechanism involving the proBDNF-p75NTR signaling pathway. Results showed that the expression of proBDNF in the polyI:C-treated offspring was abnormally enhanced in both CA3 and CA1 regions. Meanwhile, the mBDNF expression was reduced in both hippocampal regions. Intra-hippocampal CA1 but not CA3 injection with anti-proBDNF antibody and p75NTR inhibitor TAT-Pep5 effectively mitigated the contextual memory deficits. Meanwhile, reductions in the phase synchronization between CA3 and CA1 and the coupling directional indexes from CA3 to CA1 were enhanced by the intra-CA1 infusions. Moreover, blocking proBDNF/p75NTR signaling could reverse the declined amplitude of EPSCs in CA1 pyramidal neurons, indicating the changes in postsynaptic information processing in the polyI:C-treated offspring. Therefore, the changes in hippocampal proBDNF activity in prenatal polyI:C exposure represent a potential mechanism involved in NIF disruption leading to contextual memory impairments.
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Affiliation(s)
- Wei Sun
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
- Behavioral Neuroscience Laboratory, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Yazi Mei
- Graduate School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiaoliang Li
- Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, China
| | - Yang Yang
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Lei An
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
- Behavioral Neuroscience Laboratory, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
- Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, China
- Department of Neurology, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
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The Rab11-regulated endocytic pathway and BDNF/TrkB signaling: Roles in plasticity changes and neurodegenerative diseases. Neurobiol Dis 2022; 171:105796. [PMID: 35728773 DOI: 10.1016/j.nbd.2022.105796] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 05/10/2022] [Accepted: 06/14/2022] [Indexed: 02/08/2023] Open
Abstract
Neurons are highly polarized cells that rely on the intracellular transport of organelles. This process is regulated by molecular motors such as dynein and kinesins and the Rab family of monomeric GTPases that together help move cargo along microtubules in dendrites, somas, and axons. Rab5-Rab11 GTPases regulate receptor trafficking along early-recycling endosomes, which is a process that determines the intracellular signaling output of different signaling pathways, including those triggered by BDNF binding to its tyrosine kinase receptor TrkB. BDNF is a well-recognized neurotrophic factor that regulates experience-dependent plasticity in different circuits in the brain. The internalization of the BDNF/TrkB complex results in signaling endosomes that allow local signaling in dendrites and presynaptic terminals, nuclear signaling in somas and dynein-mediated long-distance signaling from axons to cell bodies. In this review, we briefly discuss the organization of the endocytic pathway and how Rab11-recycling endosomes interact with other endomembrane systems. We further expand upon the roles of the Rab11-recycling pathway in neuronal plasticity. Then, we discuss the BDNF/TrkB signaling pathways and their functional relationships with the postendocytic trafficking of BDNF, including axonal transport, emphasizing the role of BDNF signaling endosomes, particularly Rab5-Rab11 endosomes, in neuronal plasticity. Finally, we discuss the evidence indicating that the dysfunction of the early-recycling pathway impairs BDNF signaling, contributing to several neurodegenerative diseases.
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Sun W, Chen X, Mei Y, Yang Y, Li X, An L. Prelimbic proBDNF Facilitates Retrieval-Dependent Fear Memory Destabilization by Regulation of Synaptic and Neural Functions in Juvenile Rats. Mol Neurobiol 2022; 59:4179-4196. [PMID: 35501631 DOI: 10.1007/s12035-022-02849-9] [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: 01/23/2022] [Accepted: 04/23/2022] [Indexed: 10/18/2022]
Abstract
Fear regulation changes as a function of the early life is a key developmental period for the continued maturation of fear neural circuitry. The mechanisms of fear retrieval-induced reconsolidation have been investigated but remain poorly understood. The involvement of prelimbic proBDNF in fear memory extinction and its mediated signaling have been reported previously. Specifically, blocking the proBDNF/p75NTR pathway during the postnatal stage disrupts synaptic development and neuronal activity in adulthood. Given the inherent high expression of proBDNF during the juvenile period, we tested whether the prelimbic proBDNF regulated synaptic and neuronal functions allowing to influencing retrieval-dependent memory processing. By examining the freezing behavior of auditory fear-conditioned rats, we found the high level of the prelimbic proBDNF in juvenile rats enhanced the destabilization of the retrieval-dependent weak but not strong fear memory through activating p75NTR-GluN2B signaling. This modification of fear memory traces was attributed to the increment in the proportion of thin-type spine and promotion in synaptic function, as evidenced by the facilitation of NMDA-mediated EPSCs and GluN2B-dependent synaptic depression at the prelimbic projection. Furthermore, the strong prelimbic theta- and gamma-oscillation coupling predicted the suppressive effect of juvenile proBDNF on the recall of postretrieval memory. Our results critically emphasize the importance of developmental proBDNF for modification of retrieval-dependent memory and provide a potential critical targeting to inhibit threaten memories associated with neurodevelopment disorders.
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Affiliation(s)
- Wei Sun
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China.,Behavioral Neuroscience Laboratory, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China
| | - Xiao Chen
- Behavioral Neuroscience Laboratory, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China.,Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, 250013, China
| | - Yazi Mei
- Graduate School of Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yang Yang
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China
| | - Xiaoliang Li
- Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, 250013, China
| | - Lei An
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China. .,Behavioral Neuroscience Laboratory, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China. .,Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, 250013, China. .,Graduate School of Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
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