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Hu J, Li H, Wang X, Cheng H, Zhu G, Yang S. Novel mechanisms of Anshen Dingzhi prescription against PTSD: Inhibiting DCC to modulate synaptic function and inflammatory responses. JOURNAL OF ETHNOPHARMACOLOGY 2024; 333:118425. [PMID: 38848974 DOI: 10.1016/j.jep.2024.118425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/09/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Anshen Dingzhi prescription (ADP), documented in "Yi Xue Xin Wu", is a famous prescription for treating panic-related mental disorders such as post-traumatic stress disorder (PTSD). However, the underlying mechanism remains unclear. AIM OF THE STUDY This study aimed to investigate the mechanisms by which ADP intervened in PTSD-like behaviors. METHODS A mouse model of single prolonged stress (SPS) was established to evaluate the ameliorative effects and mechanisms of ADP on PTSD. Behavioral tests were used to assess PTSD-like behaviors in mice; transmission electron microscopy was used to observe changes in the ultrastructure of hippocampal synapses, and western blot, immunofluorescence, and ELISA were used to detect the expression of hippocampal deleted in colorectal cancer (DCC) and downstream Ras-related C3 botulinum toxin substrate 1 (Rac1) - P21-activated kinase 1 (PAK1) signal, as well as levels of synaptic proteins and inflammatory factors. Molecular docking technology simulated the binding of potential brain-penetrating components of ADP to DCC. RESULTS SPS induced PTSD-like behaviors in mice and increased expression of hippocampal netrin-1 (NT-1) and DCC on the 14th day post-modeling, with concurrent elevation in serum NT-1 levels. Simultaneously, SPS also decreased p-Rac1 level and increased p-PAK1 level, the down-stream molecules of DCC. Lentiviral overexpression of DCC induced or exacerbated PTSD-like behaviors in control and SPS mice, respectively, whereas neutralization antibody against NT-1 reduced DCC activation and ameliorated PTSD-like behaviors in SPS mice. Interestingly, downstream Rac1-PAK1 signal was altered according to DCC expression. Moreover, DCC overexpression down-regulated N-methyl-d-aspartate (NMDA) receptor 2A (GluN2A) and postsynaptic density 95 (PSD95), up-regulated NMDA receptor 2B (GluN2B) and increased neuroinflammatory responses. Administration of ADP (36.8 mg/kg) improved PTSD-like behaviors in the SPS mice, suppressed hippocampal DCC, and downstream Rac1-PAK1 signal, upregulated GluN2A and PSD95, downregulated GluN2B, and reduced levels of inflammatory factors NOD-like receptor protein 3 (NLRP3), nuclear factor kappa-B (NF-κB) and interleukin-6 (IL-6). Importantly, DCC overexpression could also reduce the ameliorative effect of ADP on PTSD. Additionally, DCC demonstrated a favorable molecular docking pattern with the potential brain-penetrating components of ADP, further suggesting DCC as a potential target of ADP. CONCLUSION Our data indicate that DCC is a key target for the regulation of synaptic function and inflammatory response in the onset of PTSD, and ADP likely reduces DCC to prevent PTSD via modulating downstream Rac1-PAK1 pathway. This study provides a novel mechanism for the onset of PTSD and warrants the clinical application of ADP.
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Affiliation(s)
- Jiamin Hu
- Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
| | - Haipeng Li
- Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
| | - Xuncui Wang
- Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
| | - Hongliang Cheng
- The Second Affiliation Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, 230061, China.
| | - Guoqi Zhu
- Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
| | - Shaojie Yang
- The Second Affiliation Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, 230061, China.
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Shohayeb B, Sempert K, Wallis TP, Meunier FA, Durisic N, O'Brien EA, Flores C, Cooper HM. BDNF-dependent nano-organization of Neogenin and the WAVE regulatory complex promotes actin remodeling in dendritic spines. iScience 2024; 27:110621. [PMID: 39228790 PMCID: PMC11369513 DOI: 10.1016/j.isci.2024.110621] [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: 02/22/2024] [Revised: 06/01/2024] [Accepted: 07/26/2024] [Indexed: 09/05/2024] Open
Abstract
Synaptic structural plasticity, the expansion of dendritic spines in response to synaptic stimulation, is essential for experience-dependent plasticity and is driven by branched actin polymerization. The WAVE regulatory complex (WRC) is confined to nanodomains at the postsynaptic membrane where it catalyzes actin polymerization. As the netrin/RGM receptor Neogenin is a critical regulator of the WRC, its nanoscale organization may be an important determinant of WRC nanoarchitecture and function. Using super-resolution microscopy, we reveal that Neogenin is highly organized on the spine membrane at the nanoscale level. We show that Neogenin binding to the WRC promotes co-clustering into nanodomains in response to brain-derived neurotrophic factor (BDNF), indicating that nanoclustering occurs in response to synaptic stimulation. Disruption of Neogenin/WRC binding not only prevents BDNF-mediated actin remodeling but also inhibits BDNF-induced calcium signaling. We conclude that the assembly of Neogenin/WRC nanodomains is a prerequisite for BDNF-mediated structural and synaptic plasticity.
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Affiliation(s)
- Belal Shohayeb
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Kai Sempert
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Tristan P. Wallis
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Frédéric A. Meunier
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
- The School of Biomedical Sciences, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Nela Durisic
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Elizabeth A. O'Brien
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Cecilia Flores
- Department of Psychiatry and Department of Neurology and Neurosurgery, McGill University, Montréal, Canada
- Douglas Mental Health University Institute, Montréal, Canada
- Ludmer Centre for Neuroinformatics & Mental Health, McGill University, Montréal, Canada
| | - Helen M. Cooper
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
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Zhao L, Qu HL, Zhang Y, Wu X, Ji QX, Zhang Z, Li D. ZL006 mitigates anxiety-like behaviors induced by closed head injury through modulation of the neural circuit from the medial prefrontal cortex to amygdala. Cereb Cortex 2024; 34:bhae237. [PMID: 38850218 DOI: 10.1093/cercor/bhae237] [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: 03/13/2024] [Revised: 05/17/2024] [Indexed: 06/10/2024] Open
Abstract
Closed head injury is a prevalent form of traumatic brain injury with poorly understood effects on cortical neural circuits. Given the emotional and behavioral impairments linked to closed head injury, it is vital to uncover brain functional deficits and their driving mechanisms. In this study, we employed a robust viral tracing technique to identify the alteration of the neural pathway connecting the medial prefrontal cortex to the basolateral amygdala, and we observed the disruptions in neuronal projections between the medial prefrontal cortex and the basolateral amygdala following closed head injury. Remarkably, our results highlight that ZL006, an inhibitor targeting PSD-95/nNOS interaction, stands out for its ability to selectively reverse these aberrations. Specifically, ZL006 effectively mitigates the disruptions in neuronal projections from the medial prefrontal cortex to basolateral amygdala induced by closed head injury. Furthermore, using chemogenetic approaches, we elucidate that activating the medial prefrontal cortex projections to the basolateral amygdala circuit produces anxiolytic effects, aligning with the therapeutic potential of ZL006. Additionally, ZL006 administration effectively mitigates astrocyte activation, leading to the restoration of medial prefrontal cortex glutamatergic neuron activity. Moreover, in the context of attenuating anxiety-like behaviors through ZL006 treatment, we observe a reduction in closed head injury-induced astrocyte engulfment, which may correlate with the observed decrease in dendritic spine density of medial prefrontal cortex glutamatergic neurons.
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Affiliation(s)
- Liang Zhao
- Department of Orthopedic Surgery, Shenyang Fifth People's Hospital, No. 188 Xingshun Street, Tiexi District, Shenyang 110122, Liaoning Province, China
| | - Hui Ling Qu
- Department of Neurology, General Hospital of Northern Theater Command, NO. 83 Wenhua Road, Shenhe District, Shenyang 110122, Liaoning Province, China
| | - Yan Zhang
- Department of Human Anatomy, College of Basic Medical Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, China
| | - Xin Wu
- Department of Human Anatomy, College of Basic Medical Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, China
| | - Qian Xin Ji
- Department of Human Anatomy, College of Basic Medical Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, China
| | - Zhuo Zhang
- Department of Human Anatomy, College of Basic Medical Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, China
| | - Dan Li
- Department of Human Anatomy, College of Basic Medical Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, China
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Liu ZY, Li YQ, Wang DL, Wang Y, Qiu WT, Qiu YY, Zhang HL, You QL, Liu SM, Liang QN, Wu EJ, Hu BJ, Sun XD. Agrin-Lrp4 pathway in hippocampal astrocytes restrains development of temporal lobe epilepsy through adenosine signaling. Cell Biosci 2024; 14:66. [PMID: 38783336 PMCID: PMC11112884 DOI: 10.1186/s13578-024-01241-5] [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: 03/05/2024] [Accepted: 04/27/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND Human patients often experience an episode of serious seizure activity, such as status epilepticus (SE), prior to the onset of temporal lobe epilepsy (TLE), suggesting that SE can trigger the development of epilepsy. Yet, the underlying mechanisms are not fully understood. The low-density lipoprotein receptor related protein (Lrp4), a receptor for proteoglycan-agrin, has been indicated to modulate seizure susceptibility. However, whether agrin-Lrp4 pathway also plays a role in the development of SE-induced TLE is not clear. METHODS Lrp4f/f mice were crossed with hGFAP-Cre and Nex-Cre mice to generate brain conditional Lrp4 knockout mice (hGFAP-Lrp4-/-) and pyramidal neuron specific knockout mice (Nex-Lrp4-/-). Lrp4 was specifically knocked down in hippocampal astrocytes by injecting AAV virus carrying hGFAP-Cre into the hippocampus. The effects of agrin-Lrp4 pathway on the development of SE-induced TLE were evaluated on the chronic seizure model generated by injecting kainic acid (KA) into the amygdala. The spontaneous recurrent seizures (SRS) in mice were video monitored. RESULTS We found that Lrp4 deletion from the brain but not from the pyramidal neurons elevated the seizure threshold and reduced SRS numbers, with no change in the stage or duration of SRS. More importantly, knockdown of Lrp4 in the hippocampal astrocytes after SE induction decreased SRS numbers. In accord, direct injection of agrin into the lateral ventricle of control mice but not mice with Lrp4 deletion in hippocampal astrocytes also increased the SRS numbers. These results indicate a promoting effect of agrin-Lrp4 signaling in hippocampal astrocytes on the development of SE-induced TLE. Last, we observed that knockdown of Lrp4 in hippocampal astrocytes increased the extracellular adenosine levels in the hippocampus 2 weeks after SE induction. Blockade of adenosine A1 receptor in the hippocampus by DPCPX after SE induction diminished the effects of Lrp4 on the development of SE-induced TLE. CONCLUSION These results demonstrate a promoting role of agrin-Lrp4 signaling in hippocampal astrocytes in the development of SE-induced development of epilepsy through elevating adenosine levels. Targeting agrin-Lrp4 signaling may serve as a potential therapeutic intervention strategy to treat TLE.
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Affiliation(s)
- Zi-Yang Liu
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuan-Quan Li
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Department of Neurology of the Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Die-Lin Wang
- Guangzhou Medical University-Guangzhou Institute of Biomedicine and Health (GMU-GIBH) Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, China
| | - Ying Wang
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wan-Ting Qiu
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong-Hong Kong Joint Laboratory for Psychiatric Disorders, Guangdong Province Key Laboratory of Psychiatric Disorders, Guangdong Basic Research Center of Excellence for Integrated Traditional and Western Medicine for Qingzhi Diseases, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yu-Yang Qiu
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - He-Lin Zhang
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qiang-Long You
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shi-Min Liu
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qiu-Ni Liang
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Er-Jian Wu
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Bing-Jie Hu
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
| | - Xiang-Dong Sun
- School of Basic Medical Sciences, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Institute of Neuroscience and Department of GFNeurology of the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong-Hong Kong Joint Laboratory for Psychiatric Disorders, Guangdong Province Key Laboratory of Psychiatric Disorders, Guangdong Basic Research Center of Excellence for Integrated Traditional and Western Medicine for Qingzhi Diseases, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.
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Huang J, Zhang YY, Qiu YY, Yao S, Qiu WT, Peng JL, Li YQ, You QL, Wu CH, Wu EJ, Wang J, Zhou YL, Ning YP, Wang HS, Chen WB, Hu BJ, Liu Y, Sun XD. NRG1-ErbB4 signaling in the medial amygdala controls mating motivation in adult male mice. Cell Rep 2024; 43:113905. [PMID: 38446660 DOI: 10.1016/j.celrep.2024.113905] [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: 12/19/2022] [Revised: 12/12/2023] [Accepted: 02/19/2024] [Indexed: 03/08/2024] Open
Abstract
Motivation-driven mating is a basic affair for the maintenance of species. However, the underlying molecular mechanisms that control mating motivation are not fully understood. Here, we report that NRG1-ErbB4 signaling in the medial amygdala (MeA) is pivotal in regulating mating motivation. NRG1 expression in the MeA negatively correlates with the mating motivation levels in adult male mice. Local injection and knockdown of MeA NRG1 reduce and promote mating motivation, respectively. Consistently, knockdown of MeA ErbB4, a major receptor for NRG1, and genetic inactivation of its kinase both promote mating motivation. ErbB4 deletion decreases neuronal excitability, whereas chemogenetic manipulations of ErbB4-positive neuronal activities bidirectionally modulate mating motivation. We also identify that the effects of NRG1-ErbB4 signaling on neuronal excitability and mating motivation rely on hyperpolarization-activated cyclic nucleotide-gated channel 3. This study reveals a critical molecular mechanism for regulating mating motivation in adult male mice.
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Affiliation(s)
- Jie Huang
- Department of Anesthesiology, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Yan-Yan Zhang
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China
| | - Yu-Yang Qiu
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China
| | - Shan Yao
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China
| | - Wan-Ting Qiu
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China
| | - Jin-Lin Peng
- Guangzhou Medical University-Guangzhou Institute of Biomedicine and Health (GMU-GIBH) Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, China
| | - Yuan-Quan Li
- Department of Neurology, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, China
| | - Qiang-Long You
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China
| | - Cui-Hong Wu
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China
| | - Er-Jian Wu
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China
| | - Jin Wang
- Department of Physiology, Guangxi University of Science and Technology, Liuzhou, China
| | - Yan-Ling Zhou
- Department of Psychiatry, Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yu-Ping Ning
- Department of Psychiatry, Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hong-Sheng Wang
- Songjiang Research Institute, Shanghai Songjiang District Central Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wen-Bing Chen
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China
| | - Bing-Jie Hu
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, and Emergency Department of the Second Affiliated Hospital, School of Basic Medicine, Guangzhou Medical University, Guangzhou, China.
| | - Youtan Liu
- Department of Anesthesiology, Shenzhen Hospital, Southern Medical University, Shenzhen, China.
| | - Xiang-Dong Sun
- Department of Anesthesiology, Shenzhen Hospital, Southern Medical University, Shenzhen, China; Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong-Hong Kong Joint Laboratory for Psychiatric Disorders, Guangdong Province Key Laboratory of Psychiatric Disorders, Guangdong Basic Research Center of Excellence for Integrated Traditional and Western Medicine for Qingzhi Diseases, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.
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Sempert K, Shohayeb B, Lanoue V, O'Brien EA, Flores C, Cooper HM. RGMa and Neogenin control dendritic spine morphogenesis via WAVE Regulatory Complex-mediated actin remodeling. Front Mol Neurosci 2023; 16:1253801. [PMID: 37928069 PMCID: PMC10620725 DOI: 10.3389/fnmol.2023.1253801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 10/06/2023] [Indexed: 11/07/2023] Open
Abstract
Structural plasticity, the ability of dendritic spines to change their volume in response to synaptic stimulation, is an essential determinant of synaptic strength and long-term potentiation (LTP), the proposed cellular substrate for learning and memory. Branched actin polymerization is a major force driving spine enlargement and sustains structural plasticity. The WAVE Regulatory Complex (WRC), a pivotal branched actin regulator, controls spine morphology and therefore structural plasticity. However, the molecular mechanisms that govern WRC activation during spine enlargement are largely unknown. Here we identify a critical role for Neogenin and its ligand RGMa (Repulsive Guidance Molecule a) in promoting spine enlargement through the activation of WRC-mediated branched actin remodeling. We demonstrate that Neogenin regulates WRC activity by binding to the highly conserved Cyfip/Abi binding pocket within the WRC. We find that after Neogenin or RGMa depletion, the proportions of filopodia and immature thin spines are dramatically increased, and the number of mature mushroom spines concomitantly decreased. Wildtype Neogenin, but not Neogenin bearing mutations in the Cyfip/Abi binding motif, is able to rescue the spine enlargement defect. Furthermore, Neogenin depletion inhibits actin polymerization in the spine head, an effect that is not restored by the mutant. We conclude that RGMa and Neogenin are critical modulators of WRC-mediated branched actin polymerization promoting spine enlargement. This study also provides mechanistic insight into Neogenin's emerging role in LTP induction.
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Affiliation(s)
- Kai Sempert
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Belal Shohayeb
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Vanessa Lanoue
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Elizabeth A O'Brien
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Cecilia Flores
- Department of Psychiatry, McGill University, Montréal, QC, Canada
- Department of Neurology and Neurosurgery, McGill University, Montréal, QC, Canada
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Helen M Cooper
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
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Zhang J, Xu Y, Wei C, Yin Z, Pan W, Zhao M, Ding W, Xu S, Liu J, Yu J, Ye J, Ye D, Qin JJ, Wan J, Wang M. Macrophage neogenin deficiency exacerbates myocardial remodeling and inflammation after acute myocardial infarction through JAK1-STAT1 signaling. Cell Mol Life Sci 2023; 80:324. [PMID: 37824022 PMCID: PMC11072237 DOI: 10.1007/s00018-023-04974-7] [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: 02/20/2023] [Revised: 09/01/2023] [Accepted: 09/20/2023] [Indexed: 10/13/2023]
Abstract
Immune response plays a crucial role in post-myocardial infarction (MI) myocardial remodeling. Neogenin (Neo1), a multifunctional transmembrane receptor, plays a critical role in the immune response; however, whether Neo1 participates in pathological myocardial remodeling after MI is unclear. Our study found that Neo1 expression changed significantly after MI in vivo and after LPS + IFN-γ stimulation in bone marrow-derived macrophages (BMDMs) in vitro. Neo1 functional deficiency (using a neutralizing antibody) and macrophage-specific Neo1 deficiency (induced by Neo1flox/flox;Cx3cr1cre mice) increased infarction size, enhanced cardiac fibrosis and cardiomyocyte apoptosis, and exacerbated left ventricular dysfunction post-MI in mice. Mechanistically, Neo1 deficiency promoted macrophage infiltration into the ischemic myocardium and transformation to a proinflammatory phenotype, subsequently exacerbating the inflammatory response and impairing inflammation resolution post-MI. Neo1 deficiency regulated macrophage phenotype and function, possibly through the JAK1-STAT1 pathway, as confirmed in BMDMs in vitro. Blocking the JAK1-STAT1 pathway with fludarabine phosphate abolished the impact of Neo1 on macrophage phenotype and function, inflammatory response, inflammation resolution, cardiomyocyte apoptosis, cardiac fibrosis, infarction size and cardiac function. In conclusion, Neo1 deficiency aggravates inflammation and left ventricular remodeling post-MI by modulating macrophage phenotypes and functions via the JAK1-STAT1 signaling pathway. These findings highlight the anti-inflammatory potential of Neo1, offering new perspectives for therapeutic targets in MI treatment. Neo1 deficiency aggravated inflammation and left ventricular remodeling after MI by modulating macrophage phenotypes and functions via the JAK1-STAT1 signaling pathway.
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Affiliation(s)
- Jishou Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Department of Geriatrics, Zhongnan Hospital of Wuhan University, Wuhan University, 238 Jiefang Road, Wuhan, 430060, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Yao Xu
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Cheng Wei
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Zheng Yin
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Wei Pan
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Mengmeng Zhao
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Wen Ding
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Department of Radiology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuwan Xu
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Jianfang Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Junping Yu
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Jing Ye
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Di Ye
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Juan-Juan Qin
- Department of Cardiology, Renmin Hospital of Wuhan University, Department of Geriatrics, Zhongnan Hospital of Wuhan University, Wuhan University, 238 Jiefang Road, Wuhan, 430060, China.
- Center for Healthy Aging, Wuhan University School of Nursing, Wuhan, China.
| | - Jun Wan
- Department of Cardiology, Renmin Hospital of Wuhan University, Department of Geriatrics, Zhongnan Hospital of Wuhan University, Wuhan University, 238 Jiefang Road, Wuhan, 430060, China.
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China.
| | - Menglong Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Department of Geriatrics, Zhongnan Hospital of Wuhan University, Wuhan University, 238 Jiefang Road, Wuhan, 430060, China.
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei Key Laboratory of Cardiology, Cardiovascular Research Institute, Wuhan University, Wuhan, China.
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8
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Mahmud A, Avramescu RG, Niu Z, Flores C. Awakening the dormant: Role of axonal guidance cues in stress-induced reorganization of the adult prefrontal cortex leading to depression-like behavior. Front Neural Circuits 2023; 17:1113023. [PMID: 37035502 PMCID: PMC10079902 DOI: 10.3389/fncir.2023.1113023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 03/09/2023] [Indexed: 04/11/2023] Open
Abstract
Major depressive disorder (MDD) is a chronic and disabling disorder affecting roughly 280 million people worldwide. While multiple brain areas have been implicated, dysfunction of prefrontal cortex (PFC) circuitry has been consistently documented in MDD, as well as in animal models for stress-induced depression-like behavioral states. During brain development, axonal guidance cues organize neuronal wiring by directing axonal pathfinding and arborization, dendritic growth, and synapse formation. Guidance cue systems continue to be expressed in the adult brain and are emerging as important mediators of synaptic plasticity and fine-tuning of mature neural networks. Dysregulation or interference of guidance cues has been linked to depression-like behavioral abnormalities in rodents and MDD in humans. In this review, we focus on the emerging role of guidance cues in stress-induced changes in adult prefrontal cortex circuitry and in precipitating depression-like behaviors. We discuss how modulating axonal guidance cue systems could be a novel approach for precision medicine and the treatment of depression.
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Affiliation(s)
- Ashraf Mahmud
- Integrated Program in Neuroscience, McGill University, Montréal, QC, Canada
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | | | - Zhipeng Niu
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Cecilia Flores
- Douglas Mental Health University Institute, Montréal, QC, Canada
- Department of Psychiatry, Neurology, and Neurosurgery, McGill University, Montréal, QC, Canada
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9
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Yao S, Xu MD, Wang Y, Zhao ST, Wang J, Chen GF, Chen WB, Liu J, Huang GB, Sun WJ, Zhang YY, Hou HL, Li L, Sun XD. Astrocytic lactate dehydrogenase A regulates neuronal excitability and depressive-like behaviors through lactate homeostasis in mice. Nat Commun 2023; 14:729. [PMID: 36759610 PMCID: PMC9911790 DOI: 10.1038/s41467-023-36209-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 01/18/2023] [Indexed: 02/11/2023] Open
Abstract
Alterations in energy metabolism are associated with depression. However, the role of glycolysis in the pathogenesis of depression and the underlying molecular mechanisms remain unexplored. Through an unbiased proteomic screen coupled with biochemical verifications, we show that the levels of glycolysis and lactate dehydrogenase A (LDHA), a glycolytic enzyme that catalyzes L-lactate production, are reduced in the dorsomedial prefrontal cortex (dmPFC) of stress-susceptible mice in chronic social defeat stress (CSDS) model. Conditional knockout of LDHA from the brain promotes depressive-like behaviors in both male and female mice, accompanied with reduced L-lactate levels and decreased neuronal excitability in the dmPFC. Moreover, these phenotypes could be duplicated by knockdown of LDHA in the dmPFC or specifically in astrocytes. In contrast, overexpression of LDHA reverses these phenotypic changes in CSDS-susceptible mice. Mechanistic studies demonstrate that L-lactate promotes neuronal excitability through monocarboxylic acid transporter 2 (MCT2) and by inhibiting large-conductance Ca2+-activated potassium (BK) channel. Together, these results reveal a role of LDHA in maintaining neuronal excitability to prevent depressive-like behaviors.
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Affiliation(s)
- Shan Yao
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China
| | - Min-Dong Xu
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China
| | - Ying Wang
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China
| | - Shen-Ting Zhao
- Department of Physiology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jin Wang
- Department of Physiology, Guangxi University of Science and Technology, Liuzhou, 545005, China
| | - Gui-Fu Chen
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China
| | - Wen-Bing Chen
- Institute of Life Science, Nanchang University, Nanchang, 330031, China
| | - Jian Liu
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China
| | - Guo-Bin Huang
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China
| | - Wen-Juan Sun
- Department of Physiology, Guangxi University of Science and Technology, Liuzhou, 545005, China
| | - Yan-Yan Zhang
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China
| | - Huan-Li Hou
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China
| | - Lei Li
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Xiang-Dong Sun
- Department of Neurology of the Second Affiliated Hospital, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 510260, China.
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10
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Unique transsynaptic complexes enable long-term synaptic plasticity in a synapse-specific manner. Proc Natl Acad Sci U S A 2022; 119:e2206429119. [PMID: 35737826 PMCID: PMC9271206 DOI: 10.1073/pnas.2206429119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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11
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Transsynaptic cerebellin 4-neogenin 1 signaling mediates LTP in the mouse dentate gyrus. Proc Natl Acad Sci U S A 2022; 119:e2123421119. [PMID: 35544694 DOI: 10.1073/pnas.2123421119] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
SignificanceSynapses are controlled by transsynaptic adhesion complexes that mediate bidirectional signaling between pre- and postsynaptic compartments. Long-term potentiation (LTP) of synaptic transmission is thought to enable synaptic modifications during memory formation, but the signaling mechanisms involved remain poorly understood. We show that binding of cerebellin-4 (Cbln4), a secreted ligand of presynaptic neurexin adhesion molecules, to neogenin-1, a postsynaptic surface protein known as a developmental netrin receptor, is essential for normal LTP at entorhinal cortex→dentate gyrus synapses in mice. Cbln4 and neogenin-1 are dispensable for basal synaptic transmission and not involved in establishing synaptic connections as such. Our data identify a netrin receptor as a postsynaptic organizer of synaptic plasticity that collaborates specifically with the presynaptic neurexin-ligand Cbln4.
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12
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Haydar D, Ibañez-Vega J, Krenciute G. T-Cell Immunotherapy for Pediatric High-Grade Gliomas: New Insights to Overcoming Therapeutic Challenges. Front Oncol 2021; 11:718030. [PMID: 34760690 PMCID: PMC8573171 DOI: 10.3389/fonc.2021.718030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 10/08/2021] [Indexed: 01/06/2023] Open
Abstract
Despite decades of research, pediatric central nervous system (CNS) tumors remain the most debilitating, difficult to treat, and deadliest cancers. Current therapies, including radiation, chemotherapy, and/or surgery, are unable to cure these diseases and are associated with serious adverse effects and long-term impairments. Immunotherapy using chimeric antigen receptor (CAR) T cells has the potential to elucidate therapeutic antitumor immune responses that improve survival without the devastating adverse effects associated with other therapies. Yet, despite the outstanding performance of CAR T cells against hematologic malignancies, they have shown little success targeting brain tumors. This lack of efficacy is due to a scarcity of targetable antigens, interactions with the immune microenvironment, and physical and biological barriers limiting the homing and trafficking of CAR T cells to brain tumors. In this review, we summarize experiences with CAR T-cell therapy for pediatric CNS tumors in preclinical and clinical settings and focus on the current roadblocks and novel strategies to potentially overcome those therapeutic challenges.
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Affiliation(s)
| | | | - Giedre Krenciute
- Department of Bone Marrow Transplantation & Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN, United States
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13
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Li HD, Li DN, Yang L, Long C. Deficiency of the CYLD Impairs Fear Memory of Mice and Disrupts Neuronal Activity and Synaptic Transmission in the Basolateral Amygdala. Front Cell Neurosci 2021; 15:740165. [PMID: 34602983 PMCID: PMC8485066 DOI: 10.3389/fncel.2021.740165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 08/18/2021] [Indexed: 11/13/2022] Open
Abstract
Fear learning and memory are crucial for animal survival. Abnormal fear memory is a hallmark of many neuropsychiatric disorders. Appropriate neuronal activation and excitability in the basolateral amygdala (BLA) are necessary for the formation of fear memory. The gene cylindromatosis (Cyld), which encodes a lysine-63 deubiquitinase, is expressed in several brain regions including the amygdala. The functions of the cylindromatosis protein (CYLD) in the regulation of the neuronal activity, neural circuits and fear memory, remain largely unknown, however. Here, we report that Cyld knockout impairs amygdala-dependent tone-cued fear memory. The number of c-Fos+ neurons responding to the tone-cued fear test was reduced in the BLA of Cyld–/– mice, suggesting that the absence of CYLD causes aberrant neuronal activation. We found that this aberrant neuronal activation in the BLA of Cyld–/– mice may relate to the decreased excitability of principal neurons. Another possibility of aberrant neuronal activation could be the impaired excitatory synaptic transmission in the BLA of Cyld–/– mice. Specifically, both the frequency of spontaneous excitatory postsynaptic currents and the amplitude of miniature excitatory postsynaptic currents in BLA principal neurons were decreased. In addition, Cyld mutation caused an increase in both the frequency of miniature inhibitory postsynaptic currents in principal neurons and the number of parvalbumin+ interneurons, consistent with excessive local circuit inhibition in the BLA of Cyld–/– mice. Taken together, these results suggest that CYLD deficiency disrupts the neuronal activity and synaptic transmission in the BLA of mice which may contribute to the impaired fear memory observed in Cyld–/– mice.
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Affiliation(s)
- Hui-Dong Li
- School of Life Sciences, South China Normal University, Guangzhou, China
| | - Dan-Ni Li
- School of Life Sciences, South China Normal University, Guangzhou, China
| | - Li Yang
- School of Life Sciences, Guangzhou University, Guangzhou, China
| | - Cheng Long
- School of Life Sciences, South China Normal University, Guangzhou, China.,South China Normal University-Panyu Central Hospital Joint Laboratory of Translational Medical Research, Panyu Central Hospital, Guangzhou, China
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14
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Hippocampal astrocytic neogenin regulating glutamate uptake, a critical pathway for preventing epileptic response. Proc Natl Acad Sci U S A 2021; 118:2022921118. [PMID: 33850017 DOI: 10.1073/pnas.2022921118] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Epilepsy, a common neurological disorder, is featured with recurrent seizures. Its underlying pathological mechanisms remain elusive. Here, we provide evidence for loss of neogenin (NEO1), a coreceptor for multiple ligands, including netrins and bone morphological proteins, in the development of epilepsy. NEO1 is reduced in hippocampi from patients with epilepsy based on transcriptome and proteomic analyses. Neo1 knocking out (KO) in mouse brains displays elevated epileptiform spikes and seizure susceptibility. These phenotypes were undetectable in mice, with selectively depleted NEO1 in excitatory (NeuroD6-Cre+) or inhibitory (parvalbumin+) neurons, but present in mice with specific hippocampal astrocytic Neo1 KO. Additionally, neurons in hippocampal dentate gyrus, a vulnerable region in epilepsy, in mice with astrocyte-specific Neo1 KO show reductions in inhibitory synaptic vesicles and the frequency of miniature inhibitory postsynaptic current(mIPSC), but increase of the duration of miniature excitatory postsynaptic current and tonic NMDA receptor currents, suggesting impairments in both GABAergic transmission and extracellular glutamate clearance. Further proteomic and cell biological analyses of cell-surface proteins identified GLAST, a glutamate-aspartate transporter that is marked reduced in Neo1 KO astrocytes and the hippocampus. NEO1 interacts with GLAST and promotes GLAST surface distribution in astrocytes. Expressing NEO1 or GLAST in Neo1 KO astrocytes in the hippocampus abolishes the epileptic phenotype. Taken together, these results uncover an unrecognized pathway of NEO1-GLAST in hippocampal GFAP+ astrocytes, which is critical for GLAST surface distribution and function, and GABAergic transmission, unveiling NEO1 as a valuable therapeutic target to protect the brain from epilepsy.
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15
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Wang J, Huang J, Li YQ, Yao S, Wu CH, Wang Y, Gao F, Xu MD, Huang GB, Zhao CQ, Wu JH, Zhang YL, Jiao R, Deng ZH, Jie W, Li HB, Xuan A, Sun XD. Neuregulin 1/ErbB4 signaling contributes to the anti-epileptic effects of the ketogenic diet. Cell Biosci 2021; 11:29. [PMID: 33536056 PMCID: PMC7860047 DOI: 10.1186/s13578-021-00536-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 01/07/2021] [Indexed: 01/16/2023] Open
Abstract
Background The ketogenic diet (KD) has been recognized as a potentially effective therapy to treat neuropsychiatric diseases, including epilepsy. Previous studies have indicated that KD treatment elevates γ-Amino butyric acid (GABA) levels in both human and murine brains, which presumably contributes to the KD’s anti-seizure effects. However, this has not been systematically investigated at the synaptic level, and the underlying molecular mechanisms remain to be elucidated. Methods Kainic acid (KA)-induced acute and chronic seizure models were utilized to examine the effects of KD treatment on seizure threshold and epileptogenesis. Synaptic activities in the hippocampus were recorded with the technique of electrophysiology. The effects of the KD on Neuregulin 1 (Nrg1) expression were assessed via RNA sequencing, real-time PCR and Western blotting. The obligatory role of Nrg1 in KD’s effects on seizures was evaluated through disruption of Nrg1 signaling in mice by genetically deleting its receptor-ErbB4. Results We found that KD treatment suppressed seizures in both acute and chronic seizure models and enhanced presynaptic GABA release probability in the hippocampus. By screening molecular targets linked to GABAergic activity with transcriptome analysis, we identified that KD treatment dramatically increased the Nrg1 gene expression in the hippocampus. Disruption of Nrg1 signaling by genetically deleting its receptor-ErbB4 abolished KD’s effects on GABAergic activity and seizures. Conclusion Our findings suggest a critical role of Nrg1/ErbB4 signaling in mediating KD’s effects on GABAergic activity and seizures, shedding light on developing new therapeutic interventions to seizure control.
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Affiliation(s)
- Jin Wang
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Jie Huang
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Yuan-Quan Li
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China.,Department of Neurology of the Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511518, China
| | - Shan Yao
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Cui-Hong Wu
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Ying Wang
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Feng Gao
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Min-Dong Xu
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Guo-Bin Huang
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Chang-Qin Zhao
- Institute of Life Science, Nanchang University, Nanchang, 330031, China
| | - Jia-Hui Wu
- Department of Physiology, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Yun-Long Zhang
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Renjie Jiao
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Zi-Hao Deng
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Wei Jie
- Guangdong Province Key Laboratory of Psychiatric Disorders, Southern Medical University, Guangzhou, 510515, China
| | - Hui-Bin Li
- Department of Pathology, Guangdong Women and Children Hospital, Guangzhou, 511400, China
| | - Aiguo Xuan
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China
| | - Xiang-Dong Sun
- School of Basic Medical Sciences, Institute of Neuroscience and Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, 510260, China.
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16
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Chen WB, Pan HQ, He Y, Wang XH, Zhang WH, Pan BX. Rap1b but not Rap1a in the forebrain is required for learned fear. Cell Biosci 2020; 10:107. [PMID: 32944221 PMCID: PMC7488763 DOI: 10.1186/s13578-020-00469-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 09/04/2020] [Indexed: 11/10/2022] Open
Abstract
Background Fear is an adaptive response across species in the face of threatening cues. It can be either innate or learned through postnatal experience. We have previously shown that genetic deletion of both Rap1a and Rap1b, two isoforms of small GTPase Rap1 in forebrain, causes impairment in auditory fear conditioning. However, the specific roles of these two isoforms are not yet known. Results In the present study, employing mice with forebrain-restricted deletion of Rap1a or Rap1b, we found that they are both dispensable for normal acquisition of fear learning. However, Rap1b but not Rap1a knockout (KO) mice displayed impairment in the retrieval of learned fear. Subsequently, we found that the expression of c-Fos, a marker of neuronal activity, is specifically decreased in prelimbic cortex (PL) of Rap1b KO mice after auditory fear conditioning, while remained unaltered in the amygdala and infralimbic cortex (IL). On the other hand, neither Rap1a nor Rap1b knockout altered the innate fear of mice in response to their predator odor, 2,5-Dihydro-2,4,5-Trimethylthiazoline (TMT). Conclusion Thus, our results indicate that it is Rap1b but not Rap1a involved in the retrieval process of fear learning, and the learned but not innate fear requires Rap1 signaling in forebrain.
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Affiliation(s)
- Wen-Bing Chen
- School of Life Sciences, Nanchang University, Nanchang, 330031 China.,Institute of Life Science, Nanchang University, Nanchang, 330031 China
| | - Han-Qing Pan
- School of Life Sciences, Nanchang University, Nanchang, 330031 China.,Institute of Life Science, Nanchang University, Nanchang, 330031 China
| | - Ye He
- Institute of Life Science, Nanchang University, Nanchang, 330031 China.,Center for Basic Medical Experiment, Nanchang University, Nanchang, 330031 China
| | - Xue-Hui Wang
- School of Life Sciences, Nanchang University, Nanchang, 330031 China.,Institute of Life Science, Nanchang University, Nanchang, 330031 China
| | - Wen-Hua Zhang
- Institute of Life Science, Nanchang University, Nanchang, 330031 China
| | - Bing-Xing Pan
- School of Life Sciences, Nanchang University, Nanchang, 330031 China.,Institute of Life Science, Nanchang University, Nanchang, 330031 China.,Department of Ophthalmology, The 2nd Affiliated Hospital of Nanchang University, Nanchang, 330006 China
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17
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Guan YF, Huang GB, Xu MD, Gao F, Lin S, Huang J, Wang J, Li YQ, Wu CH, Yao S, Wang Y, Zhang YL, Teoh JP, Xuan A, Sun XD. Anti-depression effects of ketogenic diet are mediated via the restoration of microglial activation and neuronal excitability in the lateral habenula. Brain Behav Immun 2020; 88:748-762. [PMID: 32413556 DOI: 10.1016/j.bbi.2020.05.032] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 05/03/2020] [Accepted: 05/09/2020] [Indexed: 12/14/2022] Open
Abstract
Depression is a severe neuropsychiatric disorder, of which the underlying pathological mechanisms remain unclear. The ketogenic diet (KD) has been reported to exhibit preventative effects on depressive-like behaviors in rodents. However, the therapeutic effects of KD on depressive-like behaviors have not been illustrated thus far. Here, we found that KD treatment dramatically ameliorated depressive-like behaviors in both repeated social defeat stress (R-SDS) and lipopolysaccharide (LPS) models, indicating the potential therapeutic effects of KD on depression. Our electrophysiological studies further showed that neuronal excitability was increased in the lateral habenula (LHb) of mice exposed to R-SDS or LPS, which can be reversed in the presence of KD treatment. Moreover, R-SDS and LPS were also found to induce robust microglial inflammatory activation in the LHb. Importantly, these phenotypes were rescued in mice fed with KD. In addition, we found that the protein level of innate immune receptor Trem2 in the LHb was significantly decreased in depression models. Specific knockdown of Trem2 in LHb microglia induced depressive-like behaviors, increased neuronal excitability as well as robust microglial inflammatory activation. Altogether, we demonstrated the therapeutic effects of KD on depressive-like behaviors, which are probably mediated via the restoration of microglial inflammatory activation and neuronal excitability. Besides, we also proposed an unrecognized function of Trem2 in the LHb for depression. Our study sheds light on the pathogenesis of depression and thereby offers a potential therapeutic intervention.
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Affiliation(s)
- Yan-Fei Guan
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Guo-Bin Huang
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Min-Dong Xu
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Feng Gao
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Song Lin
- Department of Physiology, School of Medicine, Jinan University, Guangzhou 510632, China
| | - Jie Huang
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Jin Wang
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Yuan-Quan Li
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Cui-Hong Wu
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Shan Yao
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Ying Wang
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Yun-Long Zhang
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China
| | - Jian-Peng Teoh
- Department of Gynecology and Obstetrics, the Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou 510260, China
| | - Aiguo Xuan
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China.
| | - Xiang-Dong Sun
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou 510260, China; Guangdong Province Key Laboratory of Psychiatric Disorders, Southern Medical University, Guangzhou 510515, China.
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18
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Wang Y, Tian Y, Li Z, Zheng Z, Zhu L. miR-92 Regulates the Proliferation, Migration, Invasion and Apoptosis of Glioma Cells by Targeting Neogenin. Open Med (Wars) 2020; 15:283-291. [PMID: 32318624 PMCID: PMC7160221 DOI: 10.1515/med-2020-0040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 12/27/2019] [Indexed: 12/22/2022] Open
Abstract
This study aimed to explore the pathological mechanism in regulating glioma progression. The expression of miR-92 and neogenin was evaluated by qRT-PCR and western blot. Cell viability and apoptosis were measured by MTT and flow cytometry assays, respectively. The migration and invasion abilities were examined by transwell assays. The interaction between miR-92 and neogenin was conducted by dual-luciferase reporter system. As a result, we found that the expression of miR-92 was up-regulated in glioma tissues and cell lines. Down-regulation of miR-92 inhibited glioma cell proliferation, migration, invasion and promoted cell apoptosis rate of U251 and U87 cells. Notably, miR-92 was identified to directly target to 3’-UTR of neogenin. Furthermore, neogenin was down-regulated in glioma tissues and cells in a miR-92-correlated manner. Overexpression of neigenin could cause similar results to miR-92 knockdown in U251 and U87 cells. However, the silencing of neogenin partially reversed the effects of miR-92 knockdown on cell proliferation, migration, invasion and apoptosis of glioma cells in vitro. In conclusion, we clarified that miR-92 knockdown could suppress the malignant progression of glioma cells in vitro by targeting neogenin. Therefore, miR-92 could serve as a potential diagnostic and prognostic marker in glioma patients
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Affiliation(s)
- Yi Wang
- The Second Department of Neurosurgery, the Cangzhou Central Hospital, No. 16 Xinhua West Road, Cangzhou 060000, Hebei, China
| | - Yaohui Tian
- The Second Department of Neurosurgery, the Cangzhou Central Hospital, No. 16 Xinhua West Road, Cangzhou 060000, Hebei, China
| | - Zonghao Li
- The Second Department of Neurosurgery, the Cangzhou Central Hospital, No. 16 Xinhua West Road, Cangzhou 060000, Hebei, China
| | - Zhaoke Zheng
- The Second Department of Neurosurgery, the Cangzhou Central Hospital, No. 16 Xinhua West Road, Cangzhou 060000, Hebei, China
| | - Liangliang Zhu
- The Second Department of Neurosurgery, the Cangzhou Central Hospital, No. 16 Xinhua West Road, Cangzhou 060000, Hebei, China
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19
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Glasgow SD, Ruthazer ES, Kennedy TE. Guiding synaptic plasticity: Novel roles for netrin-1 in synaptic plasticity and memory formation in the adult brain. J Physiol 2020; 599:493-505. [PMID: 32017127 DOI: 10.1113/jp278704] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/14/2020] [Indexed: 12/12/2022] Open
Abstract
Adult neural plasticity engages mechanisms that change synapse structure and function, yet many of the underlying events bear a striking similarity to processes that occur during the initial establishment of neural circuits during development. It is a long-standing hypothesis that the molecular mechanisms critical for neural development may also regulate synaptic plasticity related to learning and memory in adults. Netrins were initially described as chemoattractant guidance cues that direct cell and axon migration during embryonic development, yet they continue to be expressed by neurons in the adult brain. Recent findings have identified roles for netrin-1 in synaptogenesis during postnatal maturation, and in synaptic plasticity in the adult mammalian brain, regulating AMPA glutamate receptor trafficking at excitatory synapses. These findings provide an example of a conserved developmental guidance cue that is expressed by neurons in the adult brain and functions as a key regulator of activity-dependent synaptic plasticity. Notably, in humans, genetic polymorphisms in netrin-1 and its receptors have been linked to neurodevelopmental and neurodegenerative disorders. The molecular mechanisms associated with the synaptic function of netrin-1 therefore present new therapeutic targets for neuropathologies associated with memory dysfunction. Here, we summarize recent findings that link netrin-1 signalling to synaptic plasticity, and discuss the implications of these discoveries for the neurobiological basis of memory consolidation.
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Affiliation(s)
- Stephen D Glasgow
- Department of Neurology & Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montreal, QC, H3A 2B4, Canada
| | - Edward S Ruthazer
- Department of Neurology & Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montreal, QC, H3A 2B4, Canada
| | - Timothy E Kennedy
- Department of Neurology & Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montreal, QC, H3A 2B4, Canada.,Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec, H3A 0C7, Canada
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20
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Gao F, Huang J, Guan YF, Huang GB, Li WJ, He XY, Qiu ZC, Zhang YL, Zhao ST, Li J, Xuan A, Sun XD. Social Company by a Receptive Mating Partner Facilitates Fear Extinction. Front Neurosci 2020; 14:62. [PMID: 32116509 PMCID: PMC7018940 DOI: 10.3389/fnins.2020.00062] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 01/16/2020] [Indexed: 12/30/2022] Open
Abstract
Fear extinction remains an unresolved challenge for behavioral exposure therapy in patients with post-traumatic stress disorder (PTSD). Previous reports have suggested that social support from either familiar or unfamiliar same-sex partners is beneficial to attenuating fear responses during fear extinction and renewal. Despite that, few studies have examined the effects of social support in advance on fear extinction and/or retrieval. It is also not clear whether social company by a receptive mating partner in advance facilitates fear extinction. In the present study, we address these questions by introducing a co-housing method, where fear-conditioned male mice are co-housed with or without a receptive mating partner prior to fear extinction. We found that while co-housing with an ovariectomized female mouse showed little effect on fear extinction or retrieval, social company by a receptive mating partner in advance dramatically facilitates fear extinction. In addition, the number of cFos-positive neurons in the basolateral amygdala (BLA) were also found to be reduced in male mice accompanied with receptive mating partner in response to fear extinction and retrieval, indicating diminished neuronal activation. Electrophysiological studies further showed that the excitability of excitatory neurons in BLA was decreased, which is probably due to the attenuated basal level of excitatory synaptic transmission. Together, our observations demonstrate an effect of social company by a receptive mating partner can facilitate fear extinction and afford a possible cellular mechanism.
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Affiliation(s)
- Feng Gao
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Jie Huang
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Yan-Fei Guan
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Guo-Bin Huang
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Wen-Jing Li
- KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Xi-Yi He
- KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Zi-Cong Qiu
- The First School of Clinical Medicine, Guangzhou Medical University, Guangzhou, China
| | - Yun-Long Zhang
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Shen-Ting Zhao
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Jianhua Li
- Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China
| | - Aiguo Xuan
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Xiang-Dong Sun
- School of Basic Medical Sciences, Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China.,Guangdong Province Key Laboratory of Psychiatric Disorders, Guangzhou, China
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21
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Zhang HH, Meng SQ, Guo XY, Zhang JL, Zhang W, Chen YY, Lu L, Yang JL, Xue YX. Traumatic Stress Produces Delayed Alterations of Synaptic Plasticity in Basolateral Amygdala. Front Psychol 2019; 10:2394. [PMID: 31708835 PMCID: PMC6824323 DOI: 10.3389/fpsyg.2019.02394] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 10/07/2019] [Indexed: 12/19/2022] Open
Abstract
Acute traumatic event exposure is a direct cause of post-traumatic stress disorder (PTSD). Amygdala is suggested to be associated with the development of PTSD. In our previous findings, different activation patterns of GABAergic neurons and glutamatergic neurons in early or late stages after stress were found. However, the neural plastic mechanism underlying the role of basolateral amygdala (BLA) in post-traumatic stress disorder remains unclear. Therefore, this study mainly aimed at investigating time-dependent morphologic and electrophysiological changes in BLA during the development of PTSD. We used single prolonged stress (SPS) procedure to establish PTSD model of rats. The rats showed no alterations in anxiety behavior as well as in dendritic spine density or synaptic transmission in BLA 1 day after SPS. However, 10 days after SPS, rats showed enhancement of anxiety behavior, and spine density and frequency of miniature excitatory and inhibitory postsynaptic currents in BLA. Our results suggested that after traumatic stress, BLA displayed delayed increase in both spinogenesis and synaptic transmission, which seemed to facilitate the development of PTSD.
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Affiliation(s)
- Huan-Huan Zhang
- Department of Psychiatry, Tianjin Medical University, Tianjin, China
- Department of Clinical Psychology, Tianjin Medical University General Hospital, Tianjin, China
| | - Shi-Qiu Meng
- National Institute on Drug Dependence, Peking University, Beijing, China
| | - Xin-Yi Guo
- Department of Psychiatry, Tianjin Medical University, Tianjin, China
- Department of Clinical Psychology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jing-Liang Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Molecular and Cellular Pharmacology, Peking University School of Pharmaceutical Sciences, Beijing, China
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University College of Pharmacy and Purdue Institute for Integrative Neuroscience, West Lafayette, IN, United States
| | - Wen Zhang
- National Institute on Drug Dependence, Peking University, Beijing, China
| | - Ya-Yun Chen
- National Institute on Drug Dependence, Peking University, Beijing, China
| | - Lin Lu
- National Institute on Drug Dependence, Peking University, Beijing, China
- Peking University Sixth Hospital/Peking University Institute of Mental Health, Peking University, Beijing, China
| | - Jian-Li Yang
- Department of Psychiatry, Tianjin Medical University, Tianjin, China
- Department of Clinical Psychology, Tianjin Medical University General Hospital, Tianjin, China
| | - Yan-Xue Xue
- National Institute on Drug Dependence, Peking University, Beijing, China
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