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Li S, Yang C, Wu Z, Chen Y, He X, Liu R, Ma W, Deng S, Li J, Liu Q, Wang Y, Zhang W. Suppressive effects of bilobalide on depression-like behaviors induced by chronic unpredictable mild stress in mice. Food Funct 2023; 14:8409-8419. [PMID: 37615035 DOI: 10.1039/d3fo02681g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
Background: Depression is a psychiatric disorder with depressed mood and even suicide attempts as the main clinical symptoms, and its pathogenesis has not yet been fully elucidated. Brain derived neurotrophic factor (BDNF) plays an important role in the pathogenesis of depression. Purpose: The main aim of the present study was to evaluate the effectiveness and reveal the potential mechanisms of bilobalide (BB) intervention in alleviating depression-like behaviors by using chronic unpredictable mild stress (CUMS) mice via mediating the BDNF pathway. Methods: Behavioral assessments were carried out by using the sucrose preference test (SPT), tail suspension test (TST), and forced swimming test (FST). CUMS mice were randomly divided into 5 groups: CUMS + solvent, CUMS + BB low, CUMS + BB medium, CUMS + BB high and CUMS + fluoxetine. Total serum levels of tumor necrosis factor (TNF-α) and interleukin-6 (IL-6) were measured by ELISA. Expression of TNF-α, IL-6, AKT, GSK3β, β-catenin, Trk-B and BDNF in the mouse hippocampus was assessed by western blotting. Results: BB treatment reduced the levels of pro-inflammatory cytokines (IL-6 and TNF-α) and increased the protein expression of BDNF in the hippocampus region of the CUMS mice. Moreover, BB treatment enhanced the AKT/GSK3β/β-catenin signaling pathway which is downstream of the BDNF receptor Trk-B in the hippocampus of these mice. Conclusions: Overall, the experimental results indicated that BB reverses CUMS-induced depression-like behavior. BB exerts antidepressant-like effects by inhibiting neuroinflammation and enhancing the function of neurotrophic factors.
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Affiliation(s)
- Shengnan Li
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Chengying Yang
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Zeyu Wu
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Yuanli Chen
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230001, China
| | - Xiaoyu He
- Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, Hefei University of Technology, Hefei 230001, China
| | - Rui Liu
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Wanru Ma
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Shaohuan Deng
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Jianwen Li
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Qingsong Liu
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Yunchun Wang
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
| | - Wencheng Zhang
- Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230001, China.
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Wu X, Li S, Zhang M, Bai S, Ni Y, Xu Q, Fan Y, Lu C, Xu Z, Ji C, Du G, Qin Y. Early-life bisphenol AP exposure impacted neurobehaviors in adulthood through microglial activation in mice. CHEMOSPHERE 2023; 317:137935. [PMID: 36696922 DOI: 10.1016/j.chemosphere.2023.137935] [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: 11/29/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 06/17/2023]
Abstract
Bisphenol AP (BPAP), a structural analog of bisphenol A (BPA), has been widely detected in environment and biota. BPAP was reported to interfere with hormone and metabolism, while limited data were available about its effects on neurobehavior, especially exposure to it during early-life time. A mouse model of early-life BPAP exposure was established to evaluate the long-term neurobehaviors in offspring. Collectively, early-life BPAP exposure caused anxiety-like behaviors and impaired learning and memory in adult offspring. Through brain bulk RNA-sequencing (RNA-seq), we found differential expressed genes were enriched in pathways related to behaviors and neurodevelopment, which were consistent with the observed phenotype. Besides, single-nucleus RNA-sequencing (snRNA-seq) showed BPAP exposure altered the transcriptome of microglia in hippocampus. Mechanistically, BPAP exposure induced inflammations in hippocampus through upregulating Iba-1 and activating the microglia. In addition, we observed that BPAP exposure could activate peripheral immunity and promote proportion of macrophages and activation of dendritic cells in the offspring. In conclusion, early-life exposure to BPAP impaired neurobehaviors in adult offspring accompanied with excessive activation of hippocampal microglia. Our findings provide new clues to the underlying mechanisms of BPAP's neurotoxic effects and therefore more cautions should be taken about BPAP.
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Affiliation(s)
- Xiaorong Wu
- Women's Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing Medical University, Nanjing, China; School of Public Health, Southwest Medical University, Luzhou, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Shiqi Li
- Women's Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Meijia Zhang
- Women's Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Shengjun Bai
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yangyue Ni
- Department of Pathogen Biology, Jiangsu Province Key Laboratory of Modern Pathogen Biology, Nanjing Medical University, Nanjing, China
| | - Qiaoqiao Xu
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yun Fan
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Chuncheng Lu
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Zhipeng Xu
- Department of Pathogen Biology, Jiangsu Province Key Laboratory of Modern Pathogen Biology, Nanjing Medical University, Nanjing, China
| | - Chenbo Ji
- Women's Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing Medical University, Nanjing, China
| | - Guizhen Du
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China.
| | - Yufeng Qin
- Women's Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Microbiology and Infection, School of Public Health, Nanjing Medical University, Nanjing, China.
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Nowak A, Kojder K, Zielonka-Brzezicka J, Wróbel J, Bosiacki M, Fabiańska M, Wróbel M, Sołek-Pastuszka J, Klimowicz A. The Use of Ginkgo Biloba L. as a Neuroprotective Agent in the Alzheimer's Disease. Front Pharmacol 2021; 12:775034. [PMID: 34803717 PMCID: PMC8599153 DOI: 10.3389/fphar.2021.775034] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 10/22/2021] [Indexed: 12/19/2022] Open
Abstract
Alzheimer's disease, a neurodegenerative disease, is one of the most common causes of dementia if elderly people worldwide. Alzheimer's disease leads to the alienation of individuals and their exclusion from social and professional life. It is characterized mainly by the degradation of memory and disorientation, which occurs as a result of the loss of neuronal structure and function in different brain areas. In recent years, more and more attention has been paid to use in the treatment of natural bioactive compounds that will be effective in neurodegenerative diseases, including Alzheimer's disease. G. biloba L. and its most frequently used standardized extract (EGb 761), have been used for many years in supportive therapy and in the prevention of cognitive disorders. The paper presents an overview of reports on the pathogenesis of Alzheimer's disease, as well as a summary of the properties of G. biloba extract and its effects on the possible pathogenesis of the disease. By exploring more about the pathogenesis of the disease and the benefits of G. biloba extract for patients with Alzheimer's disease, it will be possible to create an individualized therapeutic protocol to optimize the treatment.
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Affiliation(s)
- Anna Nowak
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Klaudyna Kojder
- Department of Anesthesiology and Intensive Care, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Joanna Zielonka-Brzezicka
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Jacek Wróbel
- Department of Bioengineering, West Pomeranian University of Technology in Szczecin, Szczecin, Poland
| | - Mateusz Bosiacki
- Department of Functional Diagnostics and Physical Medicine, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Marta Fabiańska
- Institute of Philosophy and Cognitive Science, University of Szczecin, Szczecin, Poland
| | - Mariola Wróbel
- Department of Landscape Architecture, West Pomeranian University of Technology in Szczecin, Szczecin, Poland
| | - Joanna Sołek-Pastuszka
- Department of Anesthesiology and Intensive Care, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Adam Klimowicz
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, Szczecin, Poland
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Lu J, Xie L, Liu K, Zhang X, Wang X, Dai X, Liang Y, Cao Y, Li X. Bilobalide: A review of its pharmacology, pharmacokinetics, toxicity, and safety. Phytother Res 2021; 35:6114-6130. [PMID: 34342079 DOI: 10.1002/ptr.7220] [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] [Received: 03/22/2021] [Revised: 06/25/2021] [Accepted: 07/03/2021] [Indexed: 12/18/2022]
Abstract
Bilobalide is a natural sesquiterpene trilactone from Ginkgo biloba leaves. It has good water solubility and is widely used in food and pharmaceutical fields. In the last decade, a plethora of studies on the pharmacological activities of bilobalide has been conducted and demonstrated that bilobalide possessed an extensive range of pharmacological activities such as neuroprotective, antioxidative, antiinflammatory, anti-ischemic, and cardiovascular protective activities. Pharmacokinetic studies indicated that bilobalide may have the characteristics of rapid absorption, good bioavailability, wide distribution, and slow elimination. This review aims to summarize the advances in pharmacological, pharmacokinetics, toxicity, and safety studies of bilobalide in the last decade with an emphasis on its neuroprotective and antiinflammatory activities, to provide researchers with the latest information and point out the limitations of relevant research at the current stage and the aspects that should be strengthened in future research.
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Affiliation(s)
- Jing Lu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Long Xie
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kai Liu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xuming Zhang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xian Wang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaolin Dai
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Youdan Liang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yi Cao
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaofang Li
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Hormesis and Ginkgo biloba (GB): Numerous biological effects of GB are mediated via hormesis. Ageing Res Rev 2020; 64:101019. [PMID: 31931153 DOI: 10.1016/j.arr.2020.101019] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/27/2019] [Accepted: 01/09/2020] [Indexed: 01/11/2023]
Abstract
Ginkgo biloba (GB) extracts have been shown to commonly induce biphasic dose responses in a range of cell types and endpoints (e.g., cochlea neural stem cells, cell viability, cell proliferation). The magnitude and width of the low dose stimulation of these biphasic dose responses are similar to those reported for hormetic dose responses. These hormetic dose responses occur within direct stimulatory responses as well as in preconditioning experimental protocols, displaying acquired resistance within an adaptive homeodynamic and temporal framework and repeated measurement protocols. The demonstrated GB dose responses further reflect the general occurrence of hormetic dose responses that consistently appear to be independent of the biological model, endpoint, inducing agent, and/or mechanism. These findings have important implications for consideration(s) of study designs involving dose selection, dose spacing, sample size, and statistical power. This illustrates and strengthens the need to characterize the low dose stimulatory response range and optimal dose in order to explore potential public health and clinical applications of plant-derived agents, such as GB.
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Verma S, Ranawat P, Sharma N, Nehru B. Ginkgo biloba attenuates aluminum lactate-induced neurotoxicity in reproductive senescent female rats: behavioral, biochemical, and histopathological study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:27148-27167. [PMID: 31321719 DOI: 10.1007/s11356-019-05743-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 06/11/2019] [Indexed: 05/27/2023]
Abstract
Extensive use of aluminum (Al) in industry, cooking utensils, and wrapping or freezing the food items, due to its cheapness and abundance in the environment, has become a major concern. Growing evidence supports that environmental pollutant Al promotes the aggregation of amyloid beta (Aβ) in the brain, which is the main pathological marker of Alzheimer's disease (AD). Further, AD- and Al-induced neurotoxic effects are more common among women following reproductive senescence due to decline in estrogen. Though clinically Ginkgo biloba extract (GBE) has been exploited as a memory enhancer, its role in Al-induced neurotoxicity in reproductive senescent female rats needs to be evaluated. Animals were exposed to intraperitoneal dose (10 mg/kg b.wt) of Al and oral dose (100 mg/kg b.wt.) of GBE daily for 6 weeks. A significant decline in the Al-induced Aβ aggregates was observed in hippocampal and cortical regions of the brain with GBE supplementation, as confirmed by thioflavin (ThT) and Congo red staining. GBE administration significantly decreased the reactive oxygen species, lipid peroxidation, nitric oxide, and citrulline levels in comparison to Al-treated rats. On the contrary, a significant increase in the reduced glutathione, GSH/GSSG ratio as well as in the activities of antioxidant enzymes was observed with GBE administration. Based on the above results, GBE prevented the neuronal loss in the hippocampus and cortex, hence caused significant improvement in the learning and memory of the animals in terms of AChE activity, serotonin levels, Morris water maze, and active and passive avoidance tests. In conclusion, GBE has alleviated the behavioral, biochemical, and histopathological alterations due to Al toxicity in rats. However, molecular studies are going on to better understand the mechanism of GBE protection against the environmental toxicant Al exposure. Graphical abstract .
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Affiliation(s)
- Sonia Verma
- Department of Biophysics, South Campus, Panjab University, Chandigarh, 160014, India
| | - Pavitra Ranawat
- Department of Biophysics, South Campus, Panjab University, Chandigarh, 160014, India
| | - Neha Sharma
- Department of Biophysics, South Campus, Panjab University, Chandigarh, 160014, India
| | - Bimla Nehru
- Department of Biophysics, South Campus, Panjab University, Chandigarh, 160014, India.
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Bilobalide alleviates depression-like behavior and cognitive deficit induced by chronic unpredictable mild stress in mice. Behav Pharmacol 2018; 27:596-605. [PMID: 27509313 DOI: 10.1097/fbp.0000000000000252] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Bilobalide (BB), a unique constituent of Ginkgo biloba, has powerful neuroprotection and stress-alleviating properties. However, whether BB exerts a positive effect on depression and cognitive deficit induced by chronic stress is not known. The present study was designed to investigate the influence of BB on depression and cognitive impairments induced by chronic unpredictable mild stress (CUMS) in mice. During daily exposure to stressors for 5 consecutive weeks, mice were administered BB at the doses of 0, 3, or 6 mg/kg/day intraperitoneally. We replicated the finding that CUMS induced depression-like behavior and cognitive deficits as the CUMS+vehicle (VEH) group showed a significant increase in immobility in the tail suspension test, a decrease in the discrimination index of the novel object recognition task, and increased latency to platform and decreased number of platform crossings in the Morris water maze compared with the control+VEH group. Chronic administration of BB effectively reversed these alterations. In addition, the CUMS+VEH group showed significantly higher levels of baseline serum corticosterone than those of the control+VEH group and BB dose-dependently inhibited this effect. Our results suggest that BB may be useful for inhibition of depression-like behavior and cognitive deficits, and this protective effect was possibly exerted partly through an action on the hypothalamic-pituitary-adrenal axis.
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Hu Q, Shen P, Bai S, Dong M, Liang Z, Chen Z, Wang W, Wang H, Gui S, Li P, Xie P. Metabolite-related antidepressant action of diterpene ginkgolides in the prefrontal cortex. Neuropsychiatr Dis Treat 2018; 14:999-1011. [PMID: 29713170 PMCID: PMC5907891 DOI: 10.2147/ndt.s161351] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Ginkgo biloba extract (GBE) contains diterpene ginkgolides (DGs), which have been shown to have neuroprotective effects by a number of previous studies. We previously demonstrated part of the action of DG. However, the impact of DG on the prefrontal cortex (PFC) remains unclear. Here, we evaluated the effects of DG and venlafaxine (for comparison) on behavioral and metabolite changes in the PFC using mice models and gas chromatography-mass spectrometry-based metabolomics. MATERIALS AND METHODS Mice were randomly divided into control (saline), DG (12.18 mg/kg) and venlafaxine (16 mg/kg) groups. After 2 weeks of treatment, depression and anxiety-related behavioral tests were performed. Metabolic profiles of the PFC were detected by gas chromatography-mass spectrometry. RESULTS The DG group exhibited positive effects in the sucrose preference test. The differential metabolites were mainly related to amino acid metabolism, energy metabolism and lipid metabolism. The results indicated that the DG group exhibited perturbed lipid metabolism, molecular transport and small-molecule biochemistry in the PFC. Compared with the control group, pathway analysis indicated that venlafaxine and DG had similar effects on alanine, aspartate and glutamate metabolism. CONCLUSION These findings demonstrate that DG has antidepressant-like, but not anxiolytic-like, effects in mice, suggesting that it might have therapeutic potential for the treatment of major depressive disorder.
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Affiliation(s)
- Qingchuan Hu
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science.,Key Laboratory of Laboratory Medical Diagnostics of Education, Department of Laboratory Medicine, Chongqing Medical University
| | - Peng Shen
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing
| | - Shunjie Bai
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science.,Key Laboratory of Laboratory Medical Diagnostics of Education, Department of Laboratory Medicine, Chongqing Medical University
| | - Meixue Dong
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing
| | - Zihong Liang
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing.,Department of Neurology, The Inner Mongolia Autonomous Region People's Hospital, Hohhot, Inner Mongolia
| | - Zhi Chen
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science.,Department of Neurology, Yongchuan Hospital, Chongqing Medical University, Chongqing, China
| | - Wei Wang
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science.,Department of Neurology, Yongchuan Hospital, Chongqing Medical University, Chongqing, China
| | - Haiyang Wang
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science
| | - Siwen Gui
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science
| | - Pengfei Li
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science
| | - Peng Xie
- Chongqing Key Laboratory of Neurobiology.,Institute of Neuroscience and the Collaborative Innovation Center for Brain Science.,Key Laboratory of Laboratory Medical Diagnostics of Education, Department of Laboratory Medicine, Chongqing Medical University.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing.,Department of Neurology, Yongchuan Hospital, Chongqing Medical University, Chongqing, China
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Savage K, Firth J, Stough C, Sarris J. GABA-modulating phytomedicines for anxiety: A systematic review of preclinical and clinical evidence. Phytother Res 2017; 32:3-18. [DOI: 10.1002/ptr.5940] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 09/07/2017] [Accepted: 09/07/2017] [Indexed: 01/04/2023]
Affiliation(s)
- Karen Savage
- ARCADIA Mental Health Research Group, Professorial Unit, The Melbourne Clinic, Department of Psychiatry; The University of Melbourne; 2 Salisbury Street Richmond Victoria 3121 Australia
- Centre for Human Psychopharmacology; Swinburne University of Technology; John St Hawthorn Victoria 3122 Australia
| | - Joseph Firth
- Division of Psychology and Mental Health; University of Manchester; Oxford Rd Manchester M13 9PL UK
- NICM, School of Science and Health; Western Sydney University; Sydney NSW Australia
| | - Con Stough
- Centre for Human Psychopharmacology; Swinburne University of Technology; John St Hawthorn Victoria 3122 Australia
| | - Jerome Sarris
- ARCADIA Mental Health Research Group, Professorial Unit, The Melbourne Clinic, Department of Psychiatry; The University of Melbourne; 2 Salisbury Street Richmond Victoria 3121 Australia
- NICM, School of Science and Health; Western Sydney University; Sydney NSW Australia
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Li ZY, Chung YH, Shin EJ, Dang DK, Jeong JH, Ko SK, Nah SY, Baik TG, Jhoo JH, Ong WY, Nabeshima T, Kim HC. YY-1224, a terpene trilactone-strengthened Ginkgo biloba, attenuates neurodegenerative changes induced by β-amyloid (1-42) or double transgenic overexpression of APP and PS1 via inhibition of cyclooxygenase-2. J Neuroinflammation 2017; 14:94. [PMID: 28449688 PMCID: PMC5408406 DOI: 10.1186/s12974-017-0866-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 04/18/2017] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Ginkgo biloba has been reported to possess free radical-scavenging antioxidant activity and anti-inflammatory properties. In our pilot study, YY-1224, a terpene trilactone-strengthened extract of G. biloba, showed anti-inflammatory, neurotrophic, and antioxidant effects. RESULTS We investigated the pharmacological potential of YY-1224 in β-amyloid (Aβ) (1-42)-induced memory impairment using cyclooxygenase-2 (COX-2) knockout (-/-) and APPswe/PS1dE9 transgenic (APP/PS1 Tg) mice. Repeated treatment with YY-1224 significantly attenuated Aβ (1-42)-induced memory impairment in COX-2 (+/+) mice, but not in COX-2 (-/-) mice. YY-1224 significantly attenuated Aβ (1-42)-induced upregulation of platelet-activating factor (PAF) receptor gene expression, reactive oxygen species, and pro-inflammatory factors. In addition, YY-1224 significantly inhibited Aβ (1-42)-induced downregulation of PAF-acetylhydrolase-1 (PAF-AH-1) and peroxisome proliferator-activated receptor γ (PPARγ) gene expression. These changes were more pronounced in COX-2 (+/+) mice than in COX-2 (-/-) mice. YY-1224 significantly attenuated learning impairment, Aβ deposition, and pro-inflammatory microglial activation in APP/PS1 Tg mice, whereas it significantly enhanced PAF-AH and PPARγ expression. A preferential COX-2 inhibitor, meloxicam, did not affect the pharmacological activity by YY-1224, suggesting that the COX-2 gene is a critical mediator of the neuroprotective effects of YY-1224. The protective activity of YY-1224 appeared to be more efficacious than a standard G. biloba extract (Gb) against Aβ insult. CONCLUSIONS Our results suggest that the protective effects of YY-1224 against Aβ toxicity may be associated with its PAF antagonistic- and PPARγ agonistic-potential as well as inhibition of the Aβ-mediated pro-inflammatory switch of microglia phenotypes through suppression of COX-2 expression.
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Affiliation(s)
- Zheng-Yi Li
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341 Republic of Korea
| | - Yoon Hee Chung
- Department of Anatomy, College of Medicine, Chung-Ang University, Seoul, 06974 Republic of Korea
| | - Eun-Joo Shin
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341 Republic of Korea
| | - Duy-Khanh Dang
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341 Republic of Korea
| | - Ji Hoon Jeong
- Department of Pharmacology, College of Medicine, Chung-Ang University, Seoul, 06974 Republic of Korea
| | - Sung Kwon Ko
- Department of Oriental Medical Food and Nutrition, Semyung University, Jecheon, 27136 Republic of Korea
| | - Seung-Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine and Bio/Molecular Informatics Center, Konkuk University, Seoul, 05029 Republic of Korea
| | - Tae Gon Baik
- R&D Center, Yuyu Pharma, Seoul, 04598 Republic of Korea
| | - Jin Hyeong Jhoo
- Department of Psychiatry, Medical School, Kangwon National University, Chunchon, 24341 Republic of Korea
| | - Wei-Yi Ong
- Department of Anatomy, National University of Singapore, Singapore, 119260 Singapore
| | - Toshitaka Nabeshima
- Nabeshima Laboratory, Graduate School of Pharmaceutical Sciences, Meijo University, Nagoya, 468-8503 Japan
| | - Hyoung-Chun Kim
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341 Republic of Korea
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Barrosa KH, Mecchi MC, Rando DG, Ferreira AJS, Sartorelli P, Valle MM, Bordin S, Caperuto LC, Lago JHG, Lellis-Santos C. Polygodial, a sesquiterpene isolated from Drimys brasiliensis (Winteraceae), triggers glucocorticoid-like effects on pancreatic β-cells. Chem Biol Interact 2016; 258:245-56. [DOI: 10.1016/j.cbi.2016.09.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Revised: 09/02/2016] [Accepted: 09/15/2016] [Indexed: 12/22/2022]
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GC-MS-based metabolomic study on the antidepressant-like effects of diterpene ginkgolides in mouse hippocampus. Behav Brain Res 2016; 314:116-24. [PMID: 27498146 DOI: 10.1016/j.bbr.2016.08.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 07/28/2016] [Accepted: 08/01/2016] [Indexed: 12/29/2022]
Abstract
Ginkgo biloba extract (GBE), including EGb-761, have been suggested to have antidepressant activity based on previous behavioral and biochemical analyses. However, because GBE contain many constituents, the mechanisms underlying this suggested antidepressant activity are unclear. Here, we investigated the antidepressant-like effects of diterpene ginkgolides (DG), an important class of constituents in GBE, and studied their effects in the mouse hippocampus using a GC-MS-based metabolomics approach. Mice were randomly divided into five groups and injected daily until testing with 0.9% NaCl solution, one of three doses of DG (4.06, 12.18, and 36.54mg/kg), or venlafaxine. Sucrose preference (SPT) and tail suspension (TST) tests were then performed to evaluate depressive-like behaviors in mice. DG (12.18 and 36.54mg/kg) and venlafaxine (VLX) administration significantly increased hedonic behavior in mice in the SPT. DG (12.18mg/kg) treatment also shortened immobility time in the TST, suggestive of antidepressant-like effects. Significant differences in the metabolic profile in the DG (12.18mg/kg) compared with the control or VLX group indicative of an antidepressant-like effect were observed using multivariate analysis. Eighteen differential hippocampal metabolites were identified that discriminated the DG (12.18mg/kg) and control groups. These biochemical changes involved neurotransmitter metabolism, oxidative stress, glutathione metabolism, lipid metabolism, energy metabolism, and kynurenic acid, providing clues to the therapeutic mechanisms of DG. Thus, this study showed that DG has antidepressant-like activities in mice and shed light on the biological mechanisms underlying the effects of diterpene ginkgolides on behavior, providing an important drug candidate for the treatment of depression.
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Nakamichi N, Nakayama K, Ishimoto T, Masuo Y, Wakayama T, Sekiguchi H, Sutoh K, Usumi K, Iseki S, Kato Y. Food-derived hydrophilic antioxidant ergothioneine is distributed to the brain and exerts antidepressant effect in mice. Brain Behav 2016; 6:e00477. [PMID: 27134772 PMCID: PMC4842932 DOI: 10.1002/brb3.477] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 02/12/2016] [Accepted: 03/16/2016] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Clinically used antidepressants suffer from various side effects. Therefore, we searched for a safe antidepressant with minimal side effects among food ingredients that are distributed to the brain. Here, we focused on ERGO (ergothioneine), which is a hydrophilic antioxidant and contained at high levels in edible golden oyster mushrooms. ERGO is a typical substrate of carnitine/organic cation transporter OCTN1/SLC22A4, which is expressed in the brain and neuronal stem cells, although little is known about its permeation through the BBB (blood-brain barrier) or its neurological activity. METHODS To clarify the exposure of ERGO to brain and the possible antidepressant-like effect after oral ingestion, ERGO or GOME (golden oyster mushroom extract) which contains 1.2% (w/w) ERGO was mixed with feed and provided to mice for 2 weeks, and then ERGO concentration and antidepressant-like effect were evaluated by LC-MS/MS and FST (forced swimming test) or TST (tail suspension test), respectively. RESULTS Diet containing ERGO or GOME greatly increased the ERGO concentrations in plasma and brain, and significantly decreased the immobility time in both FST and TST. The required amount of GOME (~37 mg/day) to show the antidepressant-like effect corresponds to at most 8 g/day in humans. In mice receiving GOME-containing diet, doublecortin-positive cells showed a significant increase from the basal level, suggesting promotion of neuronal differentiation. CONCLUSION Thus, orally ingested ERGO is transported across the BBB into the brain, where it may promote neuronal differentiation and alleviate symptoms of depression at plausibly achieved level of daily ingestion.
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Affiliation(s)
- Noritaka Nakamichi
- Faculty of Pharmacy Institute of Medical, Pharmaceutical and Health Sciences Kanazawa University Kanazawa 920-1192 Japan
| | - Keigo Nakayama
- Faculty of Pharmacy Institute of Medical, Pharmaceutical and Health Sciences Kanazawa University Kanazawa 920-1192 Japan
| | - Takahiro Ishimoto
- Faculty of Pharmacy Institute of Medical, Pharmaceutical and Health Sciences Kanazawa University Kanazawa 920-1192 Japan
| | - Yusuke Masuo
- Faculty of Pharmacy Institute of Medical, Pharmaceutical and Health Sciences Kanazawa University Kanazawa 920-1192 Japan
| | - Tomohiko Wakayama
- School of Medicine Institute of Medical, Pharmaceutical and Health Sciences Kanazawa University Kanazawa 920-1192 Japan
| | - Hirotaka Sekiguchi
- Life Science Institute Co. Ltd.2-6-6 Nihombashi-Horidomecho Chuo-ku Tokyo 103-0012 Japan; L•S Corporation Co. Ltd.3-10-1 Ningyocho-Nihonbashi Chuo-ku Tokyo 103-0013 Japan
| | - Keita Sutoh
- Life Science Institute Co. Ltd.2-6-6 Nihombashi-Horidomecho Chuo-ku Tokyo 103-0012 Japan; L•S Corporation Co. Ltd.3-10-1 Ningyocho-Nihonbashi Chuo-ku Tokyo 103-0013 Japan
| | - Koji Usumi
- Life Science Institute Co. Ltd. 2-6-6 Nihombashi-Horidomecho Chuo-ku Tokyo 103-0012 Japan
| | - Shoichi Iseki
- School of Medicine Institute of Medical, Pharmaceutical and Health Sciences Kanazawa University Kanazawa 920-1192 Japan
| | - Yukio Kato
- Faculty of Pharmacy Institute of Medical, Pharmaceutical and Health Sciences Kanazawa University Kanazawa 920-1192 Japan
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Effects of quercetin on predator stress-related hematological and behavioural alterations in pregnant rats and their offspring. J Biosci 2016; 41:237-49. [DOI: 10.1007/s12038-016-9613-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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15
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Gergerlioglu HS, Oz M, Demir EA, Nurullahoglu-Atalik KE, Yerlikaya FH. Environmental enrichment reverses cognitive impairments provoked by Western diet in rats: Role of corticosteroid receptors. Life Sci 2016; 148:279-85. [DOI: 10.1016/j.lfs.2016.02.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 02/04/2016] [Accepted: 02/04/2016] [Indexed: 11/28/2022]
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Plant-derived flavanol (-)epicatechin mitigates anxiety in association with elevated hippocampal monoamine and BDNF levels, but does not influence pattern separation in mice. Transl Psychiatry 2015; 5:e493. [PMID: 25562843 PMCID: PMC4312829 DOI: 10.1038/tp.2014.135] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Revised: 10/19/2014] [Accepted: 11/17/2014] [Indexed: 12/30/2022] Open
Abstract
Flavanols found in natural products such as cocoa and green tea elicit structural and biochemical changes in the hippocampus, a brain area important for mood and cognition. Here, we evaluated the outcome of daily consumption of the flavanol (-)epicatechin (4 mg per day in water) by adult male C57BL/6 mice on measures of anxiety in the elevated plus maze (EPM) and open field (OF). Furthermore, pattern separation, the ability to distinguish between closely spaced identical stimuli, considered to be mediated by the hippocampal dentate gyrus (DG), was tested using the touchscreen. To investigate mechanisms through which (-)epicatechin may exert its effects, mice were injected with bromodeoxyuridine (50 mg kg(-1)) to evaluate adult hippocampal neurogenesis. In addition, monoaminergic and neurotrophin signaling pathway proteins were measured in tissue derived from subject cortices and hippocampi. Flavanol consumption reduced anxiety in the OF and EPM. Elevated hippocampal and cortical tyrosine hydroxylase, downregulated cortical monoamine oxidase-A levels, as well as increased hippocampal brain-derived neurotrophic factor (BDNF) and pro-BDNF support the flavanol's anxiolytic effects. In addition, elevated pAkt in hippocampus and cortex was observed. (-)Epicatechin ingestion did not facilitate touchscreen performance or DG neurogenesis, suggesting a non-neurogenic mechanism. The concurrent modulation of complementary neurotrophic and monoaminergic signaling pathways may contribute to beneficial mood-modulating effects of this flavanol.
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Belviranlı M, Okudan N. The effects of Ginkgo biloba extract on cognitive functions in aged female rats: the role of oxidative stress and brain-derived neurotrophic factor. Behav Brain Res 2014; 278:453-61. [PMID: 25446810 DOI: 10.1016/j.bbr.2014.10.032] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 10/20/2014] [Accepted: 10/21/2014] [Indexed: 02/04/2023]
Abstract
The aim of this study was to investigate the effects of Ginkgo biloba extract (GBE) on cognitive functions as well as oxidative stress and brain-derived neurotrophic factor (BDNF) levels in aged female rats. Rats were divided into 4 groups according to age (young vs. aged) and treatment (GBE vs. vehicle). GBE or vehicle was given for 30 d, and a series of behavioral tests were performed. Following behavioral testing, blood samples and brain tissues were obtained for analysis of BDNF, malondialdehyde (MDA), 8-hydroxy-2'-deoxyguanosine (8-OHdG), and glutathione levels, and superoxide dismutase activity. Locomotor activity and anxiety levels were lower in the aged rats. Based on Morris water maze probe trial findings, GBE supplementation increased the number of platform crossings in the aged rats. MDA and 8-OHdG levels were lower in the brain tissue, and BDNF levels were higher in plasma in the rates treated with GBE. Based on these findings, we concluded that GBE supplementation improved cognitive functions by decreasing oxidative damage and increasing the BDNF level in aged female rats.
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Affiliation(s)
- Muaz Belviranlı
- Selçuk University, School of Medicine, Department of Physiology, Konya, Turkey.
| | - Nilsel Okudan
- Selçuk University, School of Medicine, Department of Physiology, Konya, Turkey
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Yin B, Liang H, Chen Y, Chu K, Huang L, Fang L, Matro E, Jiang W, Luo B. EGB1212 Post-treatment Ameliorates Hippocampal CA1 Neuronal Death and Memory Impairment Induced by Transient Global Cerebral Ischemia/Reperfusion. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2013; 41:1329-41. [PMID: 24228604 DOI: 10.1142/s0192415x13500894] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Extracts of Ginkgo biloba have been used in traditional medicines for centuries, and have potential for clinical applications in cerebral ischemia/reperfusion injury. However, standardized extracts have proven protective only as pre-treatments, and the major mechanisms of action remain unclear. We explored the potential of the novel extract EGB1212, which meets the United States Pharmacopeia (USP) 31 standardization criteria for pharmaceutical use, as a post-treatment after global cerebral ischemia/reperfusion (GCI/R) injury in a rat model. The pre-treated group was administered EGB1212 for 7 d prior to common carotid artery occlusion (i.e., ischemia, for 20 min). Post-treated rats received the same but starting 2 h after ischemia and continuing for 7 d. Seven days after GCI/R, brains of each group were processed for H&E staining of hippocampal CA1 neurons. Remaining rats underwent the Morris water maze and Y-maze tests of spatial learning and memory, beginning eight days after reperfusion. To assess hippocampal autophagy, light chain (LC)-3-I/LC3-II and Akt/pAkt were determined via a Western blot of rat hippocampi harvested 12, 24, or 72 h after reperfusion. EGB1212 pre- and post-treatments both improved neuronal survival and spatial learning and memory functions. Pre-treatment effectively reduced LC3-II levels and post-treatment resulted in significantly elevated pAkt levels. We conclude that EGB1212 exerted significant neuroprotection in GCI/R in both preventative and post-treatment settings. This extract shows great potential for clinical applications.
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Affiliation(s)
- Bo Yin
- Brain Medical Center, Hangzhou, Zhejiang 310003, China
- Department of Neurology, First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Hui Liang
- Brain Medical Center, Hangzhou, Zhejiang 310003, China
- Department of Neurology, First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Yigang Chen
- Brain Medical Center, Hangzhou, Zhejiang 310003, China
- Department of Neurology, First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Ketan Chu
- Brain Medical Center, Hangzhou, Zhejiang 310003, China
- Department of Neurology, First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Li Huang
- Zhejiang Key Laboratory of Traditional Chinese Medicine, Pharmaceutical Technology, Hangzhou, Zhejiang 310052, China
| | - Ling Fang
- Zhejiang Key Laboratory of Traditional Chinese Medicine, Pharmaceutical Technology, Hangzhou, Zhejiang 310052, China
| | - Erik Matro
- Brain Medical Center, Hangzhou, Zhejiang 310003, China
- Department of Neurology, First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Weijian Jiang
- Department of Neurology, Chinese People's Liberation Army, Second Artillery General Hospital, Beijing 100088, China
| | - Benyan Luo
- Brain Medical Center, Hangzhou, Zhejiang 310003, China
- Department of Neurology, First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang 310003, China
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