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Shirayama Y, Iwata M, Miyano K, Hirose Y, Oda Y, Fujita Y, Hashimoto K. Infusions of beta-hydroxybutyrate, an endogenous NLRP3 inflammasome inhibitor, produce antidepressant-like effects on learned helplessness rats through BDNF-TrkB signaling and AMPA receptor activation, and strengthen learning ability. Brain Res 2023; 1821:148567. [PMID: 37689333 DOI: 10.1016/j.brainres.2023.148567] [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: 05/09/2023] [Revised: 08/27/2023] [Accepted: 09/06/2023] [Indexed: 09/11/2023]
Abstract
Beta-hydroxybutyrate (BHB), an endogenous NLRP3 inflammasome inhibitor, has been shown to be associated with the pathophysiology of depression in rodents. However its active mechanism has not been revealed. Herein, we probed both the pathways and brain regions involved in BHB's antidepressant-like effects in a learned helplessness (LH) rat model of depression. A single bilateral infusion of BHB into the cerebral ventricles induced the antidepressant-like effects on the LH rats. The antidepressant-like effects of BHB were blocked by the TrkB inhibitor ANA-12 and the AMPA receptor antagonist NBQX, indicating that the antidepressant-like effects of BHB involve BDNF-TrkB signaling and AMPA receptor activation. Further, infusions of BHB into the prelimbic and infralimbic portions of medial prefrontal cortex, the dentate gyrus of hippocampus, and the basolateral region of amygdala produced the antidepressant-like effects on LH rats. However, infusions of BHB into the central region of amygdala, the CA3 region of hippocampus, and the shell and core regions of nucleus accumbens had no effect. Finally, a single bilateral infusion of BHB into the cerebral ventricles of naive rats strengthened learning ability on repeated active avoidance test where saline-infused animals failed to increase avoidance responses.
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Affiliation(s)
- Yukihiko Shirayama
- Department of Psychiatry, Teikyo University Chiba Medical Center, Ichihara, Japan; Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, Japan.
| | - Masaaki Iwata
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Kanako Miyano
- Department of Pain Control Research, The Jikei University School of Medicine, Tokyo, Japan
| | - Yuki Hirose
- Department of Psychiatry, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yasunori Oda
- Department of Psychiatry, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yuko Fujita
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, Japan
| | - Kenji Hashimoto
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, Japan
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Li M, Han L, Xiao J, Zhang S, Liu G, Sun X. IL-1ra treatment prevents chronic social defeat stress-induced depression-like behaviors and glutamatergic dysfunction via the upregulation of CREB-BDNF. J Affect Disord 2023; 335:358-370. [PMID: 37217098 DOI: 10.1016/j.jad.2023.05.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 04/30/2023] [Accepted: 05/15/2023] [Indexed: 05/24/2023]
Abstract
BACKGROUND Proinflammatory cytokines IL-1β has been proposed to be a key mediator in the pathophysiology of mood-related disorders. However, the IL-1 receptor antagonist (IL-1ra) is a natural antagonist of IL-1 and plays a key role in the regulation of IL-1-mediated inflammation, the effects of IL-1ra in stress-induced depression has not been well elucidated. METHODS Chronic social defeat stress (CSDS) and lipopolysaccharide (LPS) were used to investigate the effects of IL-1ra. ELISA kit and qPCR were used to detect IL-1ra levels. Golgi staining and electrophysiological recordings were used to investigate glutamatergic neurotransmission in the hippocampus. Immunofluorescence and western blotting were used to analyze CREB-BDNF pathway and synaptic proteins. RESULTS Serum levels of IL-1ra increased significantly in two animal models of depression, and there was a significant correlation between serum IL-1ra levels and depression-like behaviors. Both CSDS and LPS induced the imbalance of IL-1ra and IL-1β in the hippocampus. Furthermore, chronic intracerebroventricular (i.c.v.) infusion of IL-1ra not only blocked CSDS-induced depression-like behaviors, but also alleviated CSDS-induced decrease in dendritic spine density and impairments in AMPARs-mediated neurotransmission. Finally, IL-1ra treatment produces antidepressant-like effects through the activation of CREB-BDNF in the hippocampus. LIMITATION Further studies need to investigate the effect of IL-1ra in the periphery in CSDS-induced depression. CONCLUSION Our study suggests that the imbalance of IL-1ra and IL-1β reduces the expression of the CREB-BDNF pathway in the hippocampus, which dysregulates AMPARs-mediated neurotransmission, ultimately leading to depression-like behaviors. IL-1ra could be a new potential candidate for the treatment of mood disorders.
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Affiliation(s)
- Mingxing Li
- Affiliated Wuhan Mental Health Center, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430012, China; Department of Psychiatry, Wuhan Mental Health Center, Wuhan 430012, China.
| | - Li Han
- Affiliated Wuhan Mental Health Center, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430012, China; Department of Psychiatry, Wuhan Mental Health Center, Wuhan 430012, China
| | - Junli Xiao
- Affiliated Wuhan Mental Health Center, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430012, China; Department of Psychiatry, Wuhan Mental Health Center, Wuhan 430012, China
| | - Song Zhang
- Department of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Guangya Liu
- Department of Infectious Diseases, Wuhan Jinyintan Hospital, Wuhan 430023, China.
| | - Xuejiao Sun
- Department of Rehabilitation Medicine, Zhongnan Hospital, Wuhan University, Wuhan 430071, China.
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Behl T, Rana T, Sehgal A, Sharma N, Albarrati A, Albratty M, Makeen HA, Najmi A, Verma R, Bungau SG. Exploring the multifocal role of phytoconstituents as antidepressants. Prog Neuropsychopharmacol Biol Psychiatry 2023; 123:110693. [PMID: 36509251 DOI: 10.1016/j.pnpbp.2022.110693] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
Depression is the most prevalent and devastating neuropsychiatric disorder. There are several conventional antidepressants used for the treatment of depression. But due to their undesired adverse effects, patient compliance is very poor. Thus, developing novel medications for the treatment of depression is a critical strategic priority for meeting therapeutic demands. Current research is looking for alternatives to traditional antidepressants to reduce undesired side effects and increase efficacy. Phytoconstituents provide a wide research range in antidepressant treatments. In the present article, we have conducted a comprehensive assessment of neurological evidence, which supports the usefulness of phytoconstituents in the treatment of the depressive disorder. Secondary plant metabolites including alkaloids, polyphenols, glycosides, saponins, and terpenoids were found to exhibit antidepressant action. Most of the phytoconstituents were found to mediate their antidepressant effect through the upregulation of brain-derived neurotrophic factor (BDNF), serotonin, noradrenaline, and dopamine. Some were also found to exert antidepressant effects by inhibiting the monoamine oxidase (MAO) activity and hypothalamic-pituitary-adrenal (HPA) axis overactivity.
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Affiliation(s)
- Tapan Behl
- School of Health Sciences and Technology, University of Petroleum and Energy Studies, Bidholi, Uttarakhand, India.
| | - Tarapati Rana
- Chitkara College of Pharmacy, Chitkara University, Punjab, India; Government Pharmacy College, Seraj, Mandi, Himachal Pradesh, India
| | - Aayush Sehgal
- GHG Khalsa College of Pharmacy, Gurusar Sadhar, Ludhiana, Punjab, India
| | - Neelam Sharma
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, Haryana, India
| | - Ali Albarrati
- Rehabilitation Health Sciences, College of Applied Medical Sciences, King Saud University, Saudi Arabia
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Hafiz A Makeen
- Pharmacy Practice Research Unit, Clinical Pharmacy Department, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Asim Najmi
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Raman Verma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania; Doctoral School of Biomedical Sciences, University of Oradea, Oradea, Romania
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Nogami T, Iwasaki K, Kimura H, Higashi T, Arai M, Butler JP, Fujii M, Sasaki H. Traditional Chinese medicine Jia Wei Gui Pi Tang improves behavioural and psychological symptoms of dementia and favourable positive emotions in patients. Psychogeriatrics 2023; 23:503-511. [PMID: 37005070 DOI: 10.1111/psyg.12962] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/06/2023] [Accepted: 03/15/2023] [Indexed: 04/04/2023]
Abstract
BACKGROUND Behavioural and psychological symptoms of dementia (BPSD) are challenging to manage, leading to caregiver burden and often to subsequent transfer of patients to a nursing home or psychiatric hospital for treatment. Eliciting favourable positive emotions should be an important goal in the treatment of negative emotions associated with BPSD. To date, no data have indicated that antipsychotic medications can improve positive emotions. BPSD are known to be associated with anxiety in patients with dementia. The traditional Chinese medicine Jia Wei Gui Pi Tang is officially indicated and approved for anxiety treatment in Japan. METHODS Here, we performed a multicentre, randomised, observer-blind control study of the effect of Jia Wei Gui Pi Tang on BPSD in Alzheimer's disease (AD) patients. Patients with AD or AD with cerebral vascular disease were randomly divided into the Jia Wei Gui Pi Tang treatment group and the control group that received no traditional Chinese medicine. BPSD were scored using the Neuropsychiatric Inventory Nursing Home Version (NPI-NH) and by favourable positive emotions using the Delightful Emotional Index (DEI). RESULTS A total of 63 participants (18 male and 45 female; mean age: 83.3 ± 6.0 years) were included in the study. Changes in NPI-NH scores differed significantly between the two groups (one-way analysis of variance, P < 0.001). Within the treatment group, there was a significant improvement in the NPI-NH score from 29.8 ± 17.3 at baseline to 13.2 ± 9.4 at the endpoint (paired t-test, P < 0.001), whereas there was no statistically significant change in the control group. Changes in DEI scores differed significantly between the two groups. Within the treatment group, there was a significant improvement in the DEI score from 24.3 ± 23.0 at baseline to 32.5 ± 21.2 at the endpoint (paired t-test, P = 0.001), whereas there was no statistically significant change in the control group. CONCLUSION The traditional Chinese medicine Jia Wei Gui Pi Tang significantly improved both BPSD and positive emotions.
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Affiliation(s)
- Tatsuya Nogami
- Department of Kampo Medicine, Tokai University School of Medicine, Isehara City, Japan
| | | | - Hideo Kimura
- Department of Kampo Medicine, Sakurajyuji Hospital, Fukuoka City, Japan
| | - Toru Higashi
- Department of Psychiatry, Ainohanazono Hospital, Ibaragi City, Japan
| | - Makoto Arai
- Department of Kampo Medicine, Tokai University School of Medicine, Isehara City, Japan
| | - James P Butler
- Department of Environmental Health, Harvard TH Chan School of Public Health, Boston, Massachusetts, USA
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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(2R,6R)-hydroxynorketamine acts through GluA1-induced synaptic plasticity to alleviate PTSD-like effects in rat models. Neurobiol Stress 2022; 21:100503. [DOI: 10.1016/j.ynstr.2022.100503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022] Open
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Zhang W, Ge MM, Zhang LQ, Yuan XM, Han SY, Manyande A, Tian YK, Tian XB. Dysfunction of the Brain-derived Neurotrophic Factor-Tyrosine Kinase B Signaling Pathway Contributes to Learning and Memory Impairments Induced by Neuroinflammation in Mice. Neuroscience 2022; 505:21-33. [DOI: 10.1016/j.neuroscience.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/27/2022] [Accepted: 10/03/2022] [Indexed: 11/25/2022]
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Feng L, Xing H, Zhang K. The therapeutic potential of traditional Chinese medicine in depression: Targeting adult hippocampal neurogenesis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 98:153980. [PMID: 35152089 DOI: 10.1016/j.phymed.2022.153980] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 01/22/2022] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Depression is a common mental disorder characterized by persistent sadness and lack of interest or pleasure in previously rewarding or enjoyable activities. Understandably, the causes of depression are complex. Nevertheless, the understanding of depression pathophysiology has progressed considerably and numerous studies indicate that hippocampal neurogenesis plays a pivotal role. However, no drugs specifically targeting hippocampal neurogenesis yet exist. Meanwhile, the effects of traditional Chinese medicine (TCM) on hippocampal neurogenesis have received increasing attention in the field of antidepressant treatment because of its multi-ingredient, multi-target, and holistic view. However, the effects and mechanisms of TCM on hippocampal neurogenesis in clinical trials and pharmaceutical studies remain to be comprehensively delineated. PURPOSE To summarize the importance of hippocampal neurogenesis in depression and illustrate the targets and mechanisms of hippocampal neurogenesis regulation that underlie the antidepressant effects of TCM. METHOD A systematic review of clinical trials and studies ending by January 2022 was performed across eight electronic databases (Web of Science, PubMed, SciFinder, Research Gate, ScienceDirect, Google Scholar, Scopus and China Knowledge Infrastructure) according to the PRISMA criteria, using the search terms 'traditional Chinese medicine' "AND" 'depression' "OR" 'hippocampal neurogenesis' "OR" 'multi-ingredient' "OR" 'multi-target'. RESULTS Numerous studies show that hippocampal neurogenesis is attenuated in depression, and that antidepressants act by enhancing hippocampal neurogenesis. Moreover, compound Chinese medicine (CCM), Chinese meteria medica (CMM), and major bioactive components (MBCs) can promote hippocampal neurogenesis exerting antidepressant effects through modulation of neurotransmitters and receptors, neurotrophins, the hypothalamic-pituitary-adrenal axis, inflammatory factors, autophagy, and gut microbiota. CONCLUSION We have comprehensively summarized the effect and mechanism of TCM on hippocampal neurogenesis in depression providing a unique perspective on the use of TCM in the antidepressant field. TCM has the characteristics and advantages of multiple targets and high efficacy, showing great potential in the field of depression treatment.
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Affiliation(s)
- Lijin Feng
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Hang Xing
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Kuo Zhang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China; Tianjin UBasio Biotechnology Group, Tianjin 300457, China.
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Shirayama Y, Iwata M, Fujita Y, Oda Y, Hashimoto K. The Toll-like receptor 4 antagonist TAK-242 induces antidepressant-like effects in a rat learned helplessness model of depression through BDNF-TrkB signaling and AMPA receptor activation. Behav Brain Res 2022; 423:113769. [DOI: 10.1016/j.bbr.2022.113769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 12/28/2021] [Accepted: 01/21/2022] [Indexed: 11/02/2022]
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Li Y, He Y, Fan H, Wang Z, Huang J, Wen G, Wang X, Xie Q, Qiu P. Brain-derived neurotrophic factor upregulates synaptic GluA1 in the amygdala to promote depression in response to psychological stress. Biochem Pharmacol 2021; 192:114740. [PMID: 34419429 DOI: 10.1016/j.bcp.2021.114740] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/13/2021] [Accepted: 08/17/2021] [Indexed: 12/28/2022]
Abstract
Psychological stress impairs neuronal structure and function and leads to emotional disorders, but the underlying mechanisms have not yet been fully elucidated. The amygdala is closely correlated with emotional regulation. In the present study, we analyzed whether the amygdala plasticity is regulated by psychological stress and explored their regulatory mechanism. We established a mouse psychological stress model using an improved communication box, wherein mice were exposed to chronic fear and avoided physical stress interference. After the 14-day psychological stress paradigm, mice exhibited significantly increased depressive behaviors (decreased sucrose consumption in the sucrose preference test and longer immobility time in the forced swimming test). HPLC, ELISA, and molecular and morphological evidences showed that psychological stress increased the content of glutamate and the expression of glutamatergic neurons, upregulated the content of the stress hormone corticosterone, and activated the CREB/BDNF pathway in the amygdala. Furthermore, psychological stress induced an increased density of dendritic spines and LTD impairment in the amygdala. Importantly, virus-mediated silencing of BDNF in the basolateral amygdala (BLA) nuclei reversed the depression-like behaviors and the increase of synaptic GluA1 and its phosphorylation at Ser831 and Ser845 sites in psychologically stressed mice. This process was likely achieved through mTOR signaling activation. Finally, we treated primary amygdala neurons with corticosterone to mimic psychological stress; corticosterone-induced upregulation of GluA1 was prevented by BDNF and mTOR antagonists. Thus, activation of the CREB/BDNF pathway in the amygdala following psychological stress upregulates synaptic GluA1 via mTOR signaling, which dysregulates synaptic plasticity of the amygdala, eventually promoting depression.
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Affiliation(s)
- Yanning Li
- School of Forensic Medicine, Southern Medical University, Guangzhou, PR China; Department of Forensic Medicine, School of Basic Medicine, Gannan Medical University, Ganzhou, PR China
| | - Yitong He
- School of Forensic Medicine, Southern Medical University, Guangzhou, PR China
| | - Haoliang Fan
- School of Forensic Medicine, Southern Medical University, Guangzhou, PR China; School of Basic Medicine and Life Science, Hainan Medical University, Haikou, PR China
| | - Zhuo Wang
- Department of Infertility and Sexual Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Jian Huang
- School of Forensic Medicine, Southern Medical University, Guangzhou, PR China
| | - Gehua Wen
- School of Forensic Medicine, China Medical University, Shenyang, PR China
| | - Xiaohan Wang
- School of Forensic Medicine, Southern Medical University, Guangzhou, PR China
| | - Qiqian Xie
- School of Forensic Medicine, Southern Medical University, Guangzhou, PR China
| | - Pingming Qiu
- School of Forensic Medicine, Southern Medical University, Guangzhou, PR China.
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Liu F, Wang Z, Wei Y, Liu R, Jiang C, Gong C, Liu Y, Yan B. The leading role of adsorbed lead in PM 2.5-induced hippocampal neuronal apoptosis and synaptic damage. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125867. [PMID: 34492814 DOI: 10.1016/j.jhazmat.2021.125867] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/22/2021] [Accepted: 04/08/2021] [Indexed: 06/13/2023]
Abstract
Neurodegenerative diseases may be caused by air pollution, such as PM2.5. However, particles still need to be elucidated the mechanism of synergistic neurotoxicity induced by pollutant-loading PM2.5. In this study, we used a reductionist approach to study leading role of lead (Pb) in PM2.5-induced hippocampal neuronal apoptosis and synaptic damage both in vivo and in vitro. Pb in PM2.5 caused neurotoxicity: 1) by increasing ROS levels and thus causing apoptosis in neuronal cells and 2) by decreasing the expression of PSD95 via interfering with the calcium signaling pathway through cAMP/CREB/pCREB/BDNF/PSD95 pathway and reducing the synapse length by 50%. This study clarifies a key factor in PM2.5-induced neurotoxicity and provides the experimental basis for reducing PM2.5-induced neurotoxicity.
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Affiliation(s)
- Fang Liu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Zengjin Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Yongyi Wei
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Rongrong Liu
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Cuijuan Jiang
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Chen Gong
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Yin Liu
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 330106, China.
| | - Bing Yan
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China; School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China.
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Jia Z, Yang J, Cao Z, Zhao J, Zhang J, Lu Y, Chu L, Zhang S, Chen Y, Pei L. Baicalin ameliorates chronic unpredictable mild stress-induced depression through the BDNF/ERK/CREB signaling pathway. Behav Brain Res 2021; 414:113463. [PMID: 34280458 DOI: 10.1016/j.bbr.2021.113463] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 01/29/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) can activate the extracellular regulated protein kinase (ERK)/cAMP response element binding protein (CREB) cascade revealing an important role in antidepressant effects. Here, we studied the neuroprotective effect of baicalin (BA) in mice with chronic unpredictable mild stress (CUMS)-induced via a BDNF/ERK/CREB signaling pathway. Depression was induced via six weeks of CUMS in male ICR mice, and drug therapy was given simultaneously for the last three weeks. Cognitive dysfunctions were then evaluated via sucrose preference test (SPT), open field test (OFT), Morris water maze test (MWM), tail suspension test (TST), and novelty suppressed feeding test (NSF). Western blot and real-time PCR were then used to detect the relative expression of ERK, CREB, p-ERK, and p-CREB. Integrated optical density (IOD) tests of p-ERK and p-CREB were then evaluated via immunofluorescence. The behavior results showed that the cognitive dysfunctions increased in the CUMS group versus the control (CON) group (p < 0.01). There were decreases in fluoxetine (FLU) and BA groups (p < 0.05, p < 0.01). The protein ratios of p-ERK/ERK, p-CREB/CREB and ERK mRNA, and CREB mRNA expression decreased in the CUMS group (p < 0.01) and markedly increased in the FLU and BA groups (p < 0.05, p < 0.01). The IOD value of the p-ERK and p-CREB in the CUMS group was decreased versus the CON group (p < 0.01), and these changes were improved via BA and FLU treatment (p < 0.05, p < 0.01). This study indicated that BA can improve cognitive functions and has antidepressant effects in mice, which may be associated with activation of the BDNF/ERK/CREB signaling pathway in the hippocampus.
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Affiliation(s)
- Zhixia Jia
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, China
| | - Jiali Yang
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, China
| | - Zhuoqing Cao
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, China
| | - Jing Zhao
- Hebei Key Laboratory of Turbidity, Hebei Academy of Chinese Medicine Sciences, Shijiazhuang, Hebei, 050011, China
| | - Jinhu Zhang
- Hebei Key Laboratory of Turbidity, Hebei Academy of Chinese Medicine Sciences, Shijiazhuang, Hebei, 050011, China
| | - Ye Lu
- Hebei Key Laboratory of Turbidity, Hebei Academy of Chinese Medicine Sciences, Shijiazhuang, Hebei, 050011, China
| | - Li Chu
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, China
| | - Shaodan Zhang
- The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
| | - Yuan Chen
- The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
| | - Lin Pei
- Hebei Key Laboratory of Turbidity, Hebei Academy of Chinese Medicine Sciences, Shijiazhuang, Hebei, 050011, China.
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Sbrini G, Brivio P, Sangiovanni E, Fumagalli M, Racagni G, Dell’Agli M, Calabrese F. Chronic Treatment with a Phytosomal Preparation Containing Centella asiatica L. and Curcuma longa L. Affects Local Protein Synthesis by Modulating the BDNF-mTOR-S6 Pathway. Biomedicines 2020; 8:biomedicines8120544. [PMID: 33256214 PMCID: PMC7761389 DOI: 10.3390/biomedicines8120544] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/21/2020] [Accepted: 11/24/2020] [Indexed: 02/06/2023] Open
Abstract
Brain derived neurotrophic factor (Bdnf) is the most diffuse neurotrophin in the central nervous system and it is crucial for the proper brain development and maintenance. Indeed, through the binding to its high affinity receptor TRKB and the activation of different intracellular cascades, it boosts cell survival, neurite growth and spine maturations mechanisms. Here, we evaluated if the chronic oral treatment for 10 days with a phytosomal preparation containing Centella asiatica L. and Curcuma longa L. could improve Bdnf levels in the prefrontal cortex of adult rats. Interestingly we found an increased expression of Bdnf with main effect of the treatment on the mTOR-S6 downstream signaling pathway. Accordingly, we found an increase in the expression of eukaryotic elongation factor (eEF2) with a shift towards the phosphorylated form thus increasing the transcription of Oligophrenin-1, a protein carrying the upstream Open Reading Frame (uORF) which reduction is paralleled by memory dysfunctions. These results show the ability of the phytosome to enhance mTOR-S6 regulated transcription and suggest the possibility to use this preparation in subjects with impairments in neuroplastic mechanisms, memory and cognitive abilities.
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Oh JM, Lee HS, Baek SC, Lee JP, Jeong GS, Paik MJ, Kim H. Antidepressant-Like Activities of Hispidol and Decursin in Mice and Analysis of Neurotransmitter Monoamines. Neurochem Res 2020; 45:1930-1940. [PMID: 32440903 DOI: 10.1007/s11064-020-03057-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 04/23/2020] [Accepted: 05/16/2020] [Indexed: 12/28/2022]
Abstract
The antidepressant activities of hispidol and decursin (both potent monoamine oxidase A (MAO-A) inhibitors) were evaluated using the forced swimming test (FST) and the tail suspension test (TST) in mice, and thereafter, levels of neurotransmitter monoamines and metabolites in brain tissues were analyzed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Hispidol (15 mg/kg) caused less or comparable immobility than fluoxetine (15 mg/kg; the positive control) in immobility time, as determined by FST (9.6 vs 32.0 s) and TST (53.1 vs 48.7 s), respectively, and its effects were dose-dependent and significant. Decursin (15 mg/kg) also produced immobility comparable to that of fluoxetine as determined by FST (47.0 vs 43.4 s) and TST (55.6 vs 63.4 s), and its effects were also dose-dependent and significant. LC-MS/MS analysis after FST showed that hispidol (15 mg/kg) greatly increased dopamine (DA) and serotonin levels dose-dependently in brain tissues as compared with the positive control. Decursin (15 mg/kg) dose-dependently increased DA level after TST. Slight changes in norepinephrine and 3,4-dihydroxyphenylacetic acid levels were observed after FST and TST in hispidol- or decursin-treated animals. It was observed that hispidol and decursin were effective and comparable to fluoxetine in immobility tests. These immobility and monoamine level results suggest that hispidol and decursin are potential antidepressant agents for the treatment of depression, and that they act mainly through serotonergic and/or dopaminergic systems.
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Affiliation(s)
- Jong Min Oh
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922, Republic of Korea
| | - Hyeon-Seong Lee
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922, Republic of Korea
| | - Seung Cheol Baek
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922, Republic of Korea
| | - Jae Pil Lee
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922, Republic of Korea
| | - Geum Seok Jeong
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922, Republic of Korea
| | - Man-Jeong Paik
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922, Republic of Korea
| | - Hoon Kim
- Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922, Republic of Korea.
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14
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Shirayama Y, Fujita Y, Oda Y, Iwata M, Muneoka K, Hashimoto K. Allopregnanolone induces antidepressant-like effects through BDNF-TrkB signaling independent from AMPA receptor activation in a rat learned helplessness model of depression. Behav Brain Res 2020; 390:112670. [PMID: 32437888 DOI: 10.1016/j.bbr.2020.112670] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/12/2020] [Accepted: 04/20/2020] [Indexed: 02/02/2023]
Abstract
Allopregnanolone (ALLO, 3α5α-tetrahydroprogesterone) was found to be effective for depressed patients. Animal models of depression indicate that ALLO is associated with the pathophysiology of depression. Traditional antidepressant drugs produce antidepressant effects via the monoamine system, with consequent up-regulation of brain-derived neurotrophic factor (BDNF). This study was designed to examine whether the antidepressant effects of ALLO involve BDNF-TrkB signaling or α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor activation on the learned helplessness paradigm. The antidepressant-like effect of ALLO infusion into the cerebral ventricle was blocked by coinfusion of TrkB inhibitor ANA-12, but not by co-administration of AMPA receptor antagonist 2,3-dihydroxy-6-nitro-7-sulfoamoylbenzo(f)quinoxaline (NBQX). Thus, the antidepressant-like effect of ALLO involves BDNF signaling independent from AMPA receptor activation.
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Affiliation(s)
- Yukihiko Shirayama
- Department of Psychiatry, Teikyo University Chiba Medical Center, Ichihara, Japan; Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, Japan.
| | - Yuko Fujita
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, Japan
| | - Yasunori Oda
- Department of Psychiatry, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Masaaki Iwata
- Department of Neuropsychiatry, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Katsumasa Muneoka
- Department of Psychiatry, Teikyo University Chiba Medical Center, Ichihara, Japan
| | - Kenji Hashimoto
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, Japan
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