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Li Y, Yu J, Zhang Y, Peng C, Song Y, Liu S. Advances in targeted therapy of cholangiocarcinoma. Ann Med 2024; 56:2310196. [PMID: 38359439 PMCID: PMC10877652 DOI: 10.1080/07853890.2024.2310196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 01/20/2024] [Indexed: 02/17/2024] Open
Abstract
Cholangiocarcinoma (CCA) is a malignant tumor originating in the bile duct and its branching epithelium. Due to its high heterogeneity, there are no specific clinical indications at the early stage, the diagnosis is often in advanced CCA. With surgical resection, the 5-year postoperative survival rate (long-term survival rate) is very poor. The regimen of gemcitabine combined with platinum has been used as the first-line chemotherapy for advanced patients. In recent years, targeted therapy for a variety of malignant tumors has made great progress, showing good efficacy and safety in advanced CCA. However, the current targeted therapy of CCA still has many challenges, such as adverse reactions, drug resistance, and individual differences. Therefore, the researches need to further explore the targeted therapy mechanism of CCA malignancies in depth, develop more effective and safe drugs, and accurately formulate plans based on patient characteristics to further improve patient prognosis in the future. This article reviews the recent progress of targeted therapy for CCA, aiming to provide a strategy for the research and clinical work of targeted therapy for CCA.
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Affiliation(s)
- Yuhang Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan Province, China
| | - Jianfeng Yu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan Province, China
- Central Laboratory, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan Province, China
| | - Yujing Zhang
- Central Laboratory, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan Province, China
| | - Chuang Peng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan Province, China
- Hunan Provincial Key Laboratory of Biliary Disease Prevention and Treatment, Changsha, Hunan Province, China
- Clinical Medical Technology Research Center of Hunan Provincial for Biliary Disease Prevention and Treatment, Changsha, Hunan Province, China
| | - Yinghui Song
- Central Laboratory, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan Province, China
| | - Sulai Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan Province, China
- Central Laboratory, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan Province, China
- Hunan Provincial Key Laboratory of Biliary Disease Prevention and Treatment, Changsha, Hunan Province, China
- Clinical Medical Technology Research Center of Hunan Provincial for Biliary Disease Prevention and Treatment, Changsha, Hunan Province, China
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Behrendt T, Quisilima JI, Bielitzki R, Behrens M, Glazachev OS, Brigadski T, Leßmann V, Schega L. Brain-Derived neurotrophic factor and inflammatory biomarkers are unaffected by acute and chronic intermittent hypoxic-hyperoxic exposure in geriatric patients: a randomized controlled trial. Ann Med 2024; 56:2304650. [PMID: 38253008 PMCID: PMC10810628 DOI: 10.1080/07853890.2024.2304650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 11/24/2023] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND Animal and human studies have shown that exposure to hypoxia can increase brain-derived neurotrophic factor (BDNF) protein transcription and reduce systematic inflammatory cytokine response. Therefore, the aim of this study was to investigate the acute and chronic effects of intermittent hypoxic-hyperoxic exposure (IHHE) prior to aerobic exercise on BDNF, interleukin-6 (IL-6), and C-reactive protein (CRP) blood levels in geriatric patients. PATIENTS AND METHODS Twenty-five geriatric patients (83.1 ± 5.0 yrs, 71.1 ± 10.0 kg, 1.8 ± 0.9 m) participated in a placebo-controlled, single-blinded trial and were randomly assigned to either an intervention (IG) or control group (CG) performing an aerobic cycling training (17 sessions, 20 min·session-1, 3 sessions·week-1). Prior to aerobic cycling exercise, the IG was additionally exposed to IHHE for 30 min, whereas the CG received continuous normoxic air. Blood samples were taken immediately before (pre-exercise) and 10 min (post-exercise) after the first session as well as 48 h (post-training) after the last session to determine serum (BDNFS) and plasma BDNF (BDNFP), IL-6, and CRP levels. Intervention effects were analyzed using a 2 x 2 analysis of covariance with repeated measures. Results were interpreted based on effect sizes with a medium effect considered as meaningful (ηp2 ≥ 0.06, d ≥ 0.5). RESULTS CRP was moderately higher (d = 0.51) in the CG compared to the IG at baseline. IHHE had no acute effect on BDNFS (ηp2 = 0.01), BDNFP (ηp2 < 0.01), BDNF serum/plasma-ratio (ηp2 < 0.01), IL-6 (ηp2 < 0.01), or CRP (ηp2 = 0.04). After the 6-week intervention, an interaction was found for BDNF serum/plasma-ratio (ηp2 = 0.06) but not for BDNFS (ηp2 = 0.04), BDNFP (ηp2 < 0.01), IL-6 (ηp2 < 0.01), or CRP (ηp2 < 0.01). BDNF serum/plasma-ratio increased from pre-exercise to post-training (d = 0.67) in the CG compared to the IG (d = 0.51). A main effect of time was found for BDNFP (ηp2 = 0.09) but not for BDNFS (ηp2 = 0.02). Within-group post-hoc analyses revealed a training-related reduction in BDNFP in the IG and CG by 46.1% (d = 0.73) and 24.7% (d = 0.57), respectively. CONCLUSION The addition of 30 min IHHE prior to 20 min aerobic cycling seems not to be effective to increase BDNFS and BDNFP or to reduce IL-6 and CRP levels in geriatric patients after a 6-week intervention.The study was retrospectively registered at drks.de (DRKS-ID: DRKS00025130).
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Affiliation(s)
- Tom Behrendt
- Department of Sport Science, Chair for Health and Physical Activity, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Jessica Ibanez Quisilima
- Department of Sport Science, Chair for Health and Physical Activity, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Robert Bielitzki
- Department of Sport Science, Chair for Health and Physical Activity, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Martin Behrens
- University of Applied Sciences for Sport and Management Potsdam, Potsdam, Germany
| | - Oleg S. Glazachev
- Department of Human Physiology, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Tanja Brigadski
- Department of Informatics and Microsystem Technology, University of Applied Sciences Kaiserslautern, Zweibrücken, Germany
| | - Volkmar Leßmann
- Institute of Physiology, Otto-von-Guericke University Magdeburg, Medical Faculty, Magdeburg, Germany
- Center for Behavioral Brain Sciences, Magdeburg, Germany
| | - Lutz Schega
- Department of Sport Science, Chair for Health and Physical Activity, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
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Mirzahosseini G, Ishrat T. Modulation of p75 neurotrophin receptor mitigates brain damage following ischemic stroke in mice. Neural Regen Res 2024; 19:2093-2094. [PMID: 38488534 PMCID: PMC11034603 DOI: 10.4103/1673-5374.392860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/18/2023] [Accepted: 12/06/2023] [Indexed: 04/24/2024] Open
Affiliation(s)
- Golnoush Mirzahosseini
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA
- Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN, USA
| | - Tauheed Ishrat
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA
- Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN, USA
- Neuroscience Institute, The University of Tennessee Health Science Center, Memphis, TN, USA
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Leung WKC, Yau SY, Yang Y, Kwok AWL, Wong EML, Cheung JKM, Shum EWC, Lam SC, Suen LKP. Effects of exercise interventions on brain-derived neurotrophic factor levels in overweight and obesity: A systematic review and meta-analysis. J Exerc Sci Fit 2024; 22:278-287. [PMID: 38618555 PMCID: PMC11015502 DOI: 10.1016/j.jesf.2024.04.001] [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: 08/21/2023] [Revised: 04/02/2024] [Accepted: 04/02/2024] [Indexed: 04/16/2024] Open
Abstract
Background /Objective. An explosion in global obesity epidemic poses threats to the healthcare system by provoking risks of many debilitating diseases, including cognitive dysfunction. Physical activity has been shown to alleviate the deleterious effects of obesity-associated cognitive deficits across the lifespan. Given the strong neuroprotective role of brain-derived neurotrophic factor (BDNF) and exercise training as a known modulator for its elevation, this systematic review sought to examine the strength of the association between exercise and BDNF levels in healthy people with overweight and obesity. Methods Six electronic databases (PubMed, MEDLINE, EMBASE, Web of Science, Ovid Nursing Database, and SPORTDiscus) were searched from their inceptions through December 2022. The primary outcome of interest was BDNF levels. Interventional studies (randomized and quasi-experimental) with English full text available were included. Risk of bias of the included studies was assessed using the Physiotherapy Evidence Database Scale. Data were extracted for meta-analyses by random-effects models. Results Thirteen studies (n = 750), of which 69.2% (9/13) had low risk of bias, were included. In the meta-analysis, exercise interventions had no significant effect on resting BDNF levels (standardized mean difference: -0.30, 95% CI -0.80 to 0.21, P = 0.25). Subgroup analyses also indicated no effects of age and types of control groups being compared on moderating the association. Conclusion To further inform the role of BDNF in obesity-related cognitive functioning, rigorous studies with larger samples of participants and raw data available were imperatively deserved.
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Affiliation(s)
- Wilson KC. Leung
- School of Nursing, Tung Wah College, 16/F, Ma Kam Chan Memorial Building, 31 Wylie Road, Kowloon, Hong Kong SAR, China
- Department of Sports Science and Physical Education, Faculty of Education, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, China
| | - Suk-yu Yau
- Department of Rehabilitation Sciences, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
| | - Yijian Yang
- Department of Sports Science and Physical Education, Faculty of Education, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, China
| | - Anthony WL. Kwok
- School of Medical and Health Sciences, Tung Wah College, 10/F, Ma Kam Chan Memorial Building, 31 Wylie Road, Kowloon, Hong Kong SAR, China
| | - Eliza ML. Wong
- School of Nursing, Tung Wah College, 16/F, Ma Kam Chan Memorial Building, 31 Wylie Road, Kowloon, Hong Kong SAR, China
| | - Jasmine KM. Cheung
- School of Nursing, Tung Wah College, 16/F, Ma Kam Chan Memorial Building, 31 Wylie Road, Kowloon, Hong Kong SAR, China
| | - Edward WC. Shum
- School of Nursing, Tung Wah College, 16/F, Ma Kam Chan Memorial Building, 31 Wylie Road, Kowloon, Hong Kong SAR, China
| | - Simon C. Lam
- School of Nursing, Tung Wah College, 16/F, Ma Kam Chan Memorial Building, 31 Wylie Road, Kowloon, Hong Kong SAR, China
| | - Lorna KP. Suen
- School of Nursing, Tung Wah College, 16/F, Ma Kam Chan Memorial Building, 31 Wylie Road, Kowloon, Hong Kong SAR, China
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Chang X, He Y, Liu Y, Fei J, Qin X, Song B, Yu Q, Shi M, Guo D, Hui L, Chen J, Wang A, Xu T, He J, Zhang Y, Zhu Z. Serum brain derived neurotrophic factor levels and post-stroke depression in ischemic stroke patients. J Affect Disord 2024; 361:341-347. [PMID: 38897298 DOI: 10.1016/j.jad.2024.06.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 06/04/2024] [Accepted: 06/15/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) is crucial for neuronal survival and may be implicated in the pathophysiological process of depression. This study aimed to prospectively investigate the association between serum BDNF and post-stroke depression (PSD) at 3 months in a multicenter cohort study. METHODS A total of 611 ischemic stroke patients with serum BDNF measurements from the China Antihypertensive Trial in Acute Ischemic Stroke were included in this analysis. We used the 24-item Hamilton Depression Rating Scale to assess depression status at 3 months after ischemic stroke, and PSD was defined as a score of ≥8. RESULTS Baseline serum BDNF was inversely associated with the risk of depression after ischemic stroke. The multivariable-adjusted odds ratio of PSD for the highest tertile of BDNF was 0.53 (95 % confidence interval, 0.34-0.82; P for trend = 0.004) compared with the lowest tertile. Multivariable-adjusted spline regression model also showed a linear does-response association between serum BDNF levels and PSD at 3 months (P for linearity = 0.006). In addition, adding serum BDNF to conventional risk factors significantly improved the risk reclassification of PSD (net reclassification improvement: 16.98 %, P = 0.039; integrated discrimination index: 0.93 %, P = 0.026). LIMITATIONS All patients in this study were Chinese, so our findings should be applied to other populations cautiously. CONCLUSIONS Higher serum BDNF levels at baseline were significantly associated with a decreased risk of PSD at 3 months, suggesting that BDNF might be a valuable predictive biomarker and potential therapeutic target for PSD among ischemic stroke patients.
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Affiliation(s)
- Xinyue Chang
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Yu He
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Yi Liu
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Jiawen Fei
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Xiaoli Qin
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Beiping Song
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Quan Yu
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Mengyao Shi
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China; Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, United States of America
| | - Daoxia Guo
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Li Hui
- Research Center of Biological Psychiatry, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Jing Chen
- Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, United States of America; Department of Medicine, Tulane University School of Medicine, New Orleans, LA, USA
| | - Aili Wang
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Tan Xu
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Jiang He
- Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, United States of America; Department of Medicine, Tulane University School of Medicine, New Orleans, LA, USA
| | - Yonghong Zhang
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China
| | - Zhengbao Zhu
- Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, China; Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, United States of America.
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Wang Y, Peng D, Zhang X, Chen J, Feng J, Zhang R, Mai W, Chen H, Yang Y, Huang Y, Zhang Q. PLCβ4 driven by cadmium-exposure during gestation and lactation contributes to cognitive deficits by suppressing PIP2/PLCγ1/CREB/BDNF signaling pathway in male offspring. JOURNAL OF HAZARDOUS MATERIALS 2024; 474:134756. [PMID: 38820747 DOI: 10.1016/j.jhazmat.2024.134756] [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: 01/29/2024] [Revised: 05/13/2024] [Accepted: 05/27/2024] [Indexed: 06/02/2024]
Abstract
The fetus and infants are particularly vulnerable to Cadmium (Cd) due to the immaturity of the blood-brain barrier. In utero and early life exposure to Cd is associated with cognitive deficits. Although such exposure has attracted widespread attention, its gender-specificity remains controversial, and there are no reports disclosing the underlying mechanism of gender‑specific neurotoxicity. We extensively evaluated the learning and cognitive functions and synaptic plasticity of male and female rats exposed to maternal Cd. Maternal Cd exposure induced learning and memory deficits in male offspring rats, but not in female offspring rats. PLCβ4 was identified as a critical protein, which might be related to the gender‑specific cognitive deficits in male rats. The up-regulated PLCβ4 competed with PLCγ1 to bind to PIP2, which counteracted the hydrolysis of PIP2 by PLCγ1. The decreased activation of PLCγ1 inhibited the phosphorylation of CREB to reduce BDNF transcription, which consequently resulted in the damage of hippocampal neurons and cognitive deficiency. Moreover, the low level of BDNF promoted AEP activation to induce Aβ deposition in the hippocampus. These findings highlight that PLCβ4 might be a potential target for the therapy of learning and cognitive deficits caused by Cd exposure in early life.
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Affiliation(s)
- Youjin Wang
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Dong Peng
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Department of Laboratory Medicine, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Xiang Zhang
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Jiayan Chen
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Jianfeng Feng
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Runze Zhang
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Wanwen Mai
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Hongxia Chen
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou 510632, China
| | - Yan Yang
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou 510632, China
| | - Yadong Huang
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou 510632, China.
| | - Qihao Zhang
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou 510632, China.
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Yamada T, Mihara K, Ueda T, Yamauchi D, Shimizu M, Ando A, Mayumi K, Nakata Z, Mikamiyama H. Discovery and Hit to Lead Optimization of Macrocyclic Peptides as Novel Tropomyosin Receptor Kinase A Antagonists. J Med Chem 2024; 67:11197-11208. [PMID: 38950284 DOI: 10.1021/acs.jmedchem.4c00715] [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: 07/03/2024]
Abstract
Tropomyosin receptor kinases (Trks) are receptor tyrosine kinases activated by neurotrophic factors, called neurotrophins. Among them, TrkA interacts with the nerve growth factor (NGF), which leads to pain induction. mRNA-display screening was carried out to discover a hit compound 2, which inhibits protein-protein interactions between TrkA and NGF. Subsequent structure optimization improving phosphorylation inhibitory activity and serum stability was pursued using a unique process that took advantage of the peptide being synthesized by translation from mRNA. This gave peptide 19, which showed an analgesic effect in a rat incisional pain model. The peptides described here can serve as a new class of analgesics, and the structure optimization methods reported provide a strategy for discovering new peptide drugs.
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Affiliation(s)
- Toru Yamada
- Biopharmaceutical Research Division, Shionogi Pharmaceutical Research Center, Toyonaka , Osaka 561-0825, Japan
| | - Kousuke Mihara
- Pharmaceutical Research Division, Shionogi Pharmaceutical Research Center, Toyonaka , Osaka 561-0825, Japan
| | - Taichi Ueda
- Pharmaceutical Research Division, Shionogi Pharmaceutical Research Center, Toyonaka , Osaka 561-0825, Japan
| | - Daisuke Yamauchi
- Pharmaceutical Research Division, Shionogi Pharmaceutical Research Center, Toyonaka , Osaka 561-0825, Japan
| | - Masaya Shimizu
- Pharmaceutical Research Division, Shionogi Pharmaceutical Research Center, Toyonaka , Osaka 561-0825, Japan
| | - Azusa Ando
- Pharmaceutical Research Division, Shionogi Pharmaceutical Research Center, Toyonaka , Osaka 561-0825, Japan
| | - Kei Mayumi
- Pharmaceutical Development Division, Yodoyabashi Office, Osaka , Osaka 541-0042, Japan
| | - Zenzaburo Nakata
- Pharmaceutical Research Division, Shionogi Pharmaceutical Research Center, Toyonaka , Osaka 561-0825, Japan
| | - Hidenori Mikamiyama
- Pharmaceutical Research Division, Shionogi Pharmaceutical Research Center, Toyonaka , Osaka 561-0825, Japan
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Magdalena K, Agnieszka N, Agata K, Joanna S, Agnieszka P, Dziedzicka-Wasylewska M, Ryszard B, Adam H, Andrzej B, Agata FG. Unraveling psilocybin's therapeutic potential: behavioral and neuroplasticity insights in Wistar-Kyoto and Wistar male rat models of treatment-resistant depression. Psychopharmacology (Berl) 2024:10.1007/s00213-024-06644-3. [PMID: 38963553 DOI: 10.1007/s00213-024-06644-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 06/26/2024] [Indexed: 07/05/2024]
Abstract
RATIONALE Our study aimed to unravel the unknown mechanisms behind the exceptional efficacy of Psilocybin (PSI) in treating treatment-resistant depression (TRD). Focusing on Wistar-Kyoto (WKY) rats with a TRD phenotype and Wistar (WIS) rats as a normative comparison, we investigated behavioral and neuroplasticity-related responses to PSI, striving to shed light on the distinctive features of its antidepressant effects. OBJECTIVES We set out to assess the behavioral impact of acute and prolonged PSI administration on WKY and WIS rats, employing Novel Object Recognition (NORT), Social Interaction (SI), and Forced Swimming Test (FST). Our secondary objectives involved exploring strain-specific alterations in neuroplasticity-related parameters, including brain-derived neurotrophic factor (BDNF) and activity-regulated cytoskeleton-associated protein (Arc). METHODS Conducting post-acute and extended assessments after a single PSI administration, we applied behavioral tests and biochemical analyses to measure serum BDNF levels and neuroplasticity-related parameters in the prefrontal cortex. Statistical analyses were deployed to discern significant differences between the rat strains and assess the impact of PSI on behavioral and biochemical outcomes. RESULTS Our findings uncovered significant behavioral disparities between WKY and WIS rats, indicating passive behavior and social withdrawal in the former. PSI demonstrated pronounced pro-social and antidepressant effects in both strains, each with its distinctive temporal trajectory. Notably, we identified strain-specific variations in BDNF-related signaling and observed the modulation of Arc expression in WKY rats. CONCLUSIONS Our study delineated mood-related behavioral nuances between WKY and WIS rat strains, underscoring the antidepressant and pro-social properties of PSI in both groups. The distinct temporal patterns of observed changes and the identified strain-specific neuroplasticity alterations provide valuable insights into the TRD phenotype and the mechanisms underpinning the efficacy of PSI.
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Affiliation(s)
- Kolasa Magdalena
- Department of Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Nikiforuk Agnieszka
- Department of Behavioral Neuroscience & Drug Development, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Korlatowicz Agata
- Department of Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Solich Joanna
- Department of Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Potasiewicz Agnieszka
- Department of Behavioral Neuroscience & Drug Development, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | | | - Bugno Ryszard
- Department of Medicinal Chemistry, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Hogendorf Adam
- Department of Medicinal Chemistry, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Bojarski Andrzej
- Department of Medicinal Chemistry, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland
| | - Faron-Górecka Agata
- Department of Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Kraków, Poland.
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Cattaneo A, Begni V, Zonca V, Riva MA. Early life adversities, psychopathologies and novel pharmacological strategies. Pharmacol Ther 2024; 260:108686. [PMID: 38969307 DOI: 10.1016/j.pharmthera.2024.108686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 06/05/2024] [Accepted: 07/02/2024] [Indexed: 07/07/2024]
Abstract
Exposure to adversities during early life stages (early life adversities - ELA), ranging from pregnancy to adolescence, represents a major risk factor for the vulnerability to mental disorders. Hence, it is important to understand the molecular and functional underpinning of such relationship, in order to develop strategies aimed at reducing the psychopathologic burden associated with ELA, which may eventually lead to a significant improvement in clinical practice. In this review, we will initially recapitulate clinical and preclinical evidence supporting the link between ELA and psychopathology and we will primarily discuss the main biological mechanisms that have been described as potential mediators of the effects of ELA on the psychopathologic risk, including the role for genetic factors as well as sex differences. The knowledge emerging from these studies may be instrumental for the development of novel therapeutic strategies aimed not only at correcting the deficits that emerge from ELA exposure, but also in preventing the manifestation of a full-blown psychopathologic condition. With this respect, we will specifically focus on adolescence as a key time frame for disease onset as well as for early therapeutic intervention. We believe that incorporating clinical and preclinical research data in the context of early life adversities can be instrumental to elucidate the mechanisms contributing to the risk for psychopathology or that may promote resilience. This will ultimately allow the identification of 'at risk' individuals who may benefit from specific forms of interventions that, by interfering with disease trajectories, could result in more benign clinical outcomes.
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Affiliation(s)
- Annamaria Cattaneo
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milan, Italy; Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Veronica Begni
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milan, Italy
| | - Valentina Zonca
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milan, Italy
| | - Marco A Riva
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milan, Italy; Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy.
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10
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Li D, Liu C, Wang H, Li Y, Wang Y, An S, Sun S. The Role of Neuromodulation and Potential Mechanism in Regulating Heterotopic Ossification. Neurochem Res 2024; 49:1628-1642. [PMID: 38416374 DOI: 10.1007/s11064-024-04118-8] [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: 11/03/2023] [Revised: 01/17/2024] [Accepted: 01/28/2024] [Indexed: 02/29/2024]
Abstract
Heterotopic ossification (HO) is a pathological process characterized by the aberrant formation of bone in muscles and soft tissues. It is commonly triggered by traumatic brain injury, spinal cord injury, and burns. Despite a wide range of evidence underscoring the significance of neurogenic signals in proper bone remodeling, a clear understanding of HO induced by nerve injury remains rudimentary. Recent studies suggest that injury to the nervous system can activate various signaling pathways, such as TGF-β, leading to neurogenic HO through the release of neurotrophins. These pathophysiological changes lay a robust groundwork for the prevention and treatment of HO. In this review, we collected evidence to elucidate the mechanisms underlying the pathogenesis of HO related to nerve injury, aiming to enhance our understanding of how neurological repair processes can culminate in HO.
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Affiliation(s)
- Dengju Li
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Changxing Liu
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Haojue Wang
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Yunfeng Li
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Yaqi Wang
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Senbo An
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
| | - Shui Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China.
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11
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Wang J, Yu H, Li X, Li F, Chen H, Zhang X, Wang Y, Xu R, Gao F, Wang J, Liu P, Shi Y, Qin D, Li Y, Liu S, Ding S, Gao XY, Wang ZH. A TrkB cleavage fragment in hippocampus promotes Depressive-Like behavior in mice. Brain Behav Immun 2024; 119:56-83. [PMID: 38555992 DOI: 10.1016/j.bbi.2024.03.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 03/06/2024] [Accepted: 03/28/2024] [Indexed: 04/02/2024] Open
Abstract
Decreased hippocampal tropomyosin receptor kinase B (TrkB) level is implicated in the pathophysiology of stress-induced mood disorder and cognitive decline. However, how TrkB is modified and mediates behavioral responses to chronic stress remains largely unknown. Here the effects and mechanisms of TrkB cleavage by asparagine endopeptidase (AEP) were examined on a preclinical murine model of chronic restraint stress (CRS)-induced depression. CRS activated IL-1β-C/EBPβ-AEP pathway in mice hippocampus, accompanied by elevated TrkB 1-486 fragment generated by AEP. Specifi.c overexpression or suppression of AEP-TrkB axis in hippocampal CaMKIIα-positive cells aggravated or relieved depressive-like behaviors, respectively. Mechanistically, in addition to facilitating AMPARs internalization, TrkB 1-486 interacted with peroxisome proliferator-activated receptor-δ (PPAR-δ) and sequestered it in cytoplasm, repressing PPAR-δ-mediated transactivation and mitochondrial function. Moreover, co-administration of 7,8-dihydroxyflavone and a peptide disrupting the binding of TrkB 1-486 with PPAR-δ attenuated depression-like symptoms not only in CRS animals, but also in Alzheimer's disease and aged mice. These findings reveal a novel role for TrkB cleavage in promoting depressive-like phenotype.
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Affiliation(s)
- Jianhao Wang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Hang Yu
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xiang Li
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Fang Li
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Hongyu Chen
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xi Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yamei Wang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Ruifeng Xu
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China; Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100006, China
| | - Feng Gao
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Jiabei Wang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Pai Liu
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322 USA
| | - Yuke Shi
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Dongdong Qin
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yiyi Li
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Songyan Liu
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Shuai Ding
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xin-Ya Gao
- Department of Neurology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, China; Laboratory of Neurology, Henan Provincial People's Hospital, Zhengzhou 450003, China
| | - Zhi-Hao Wang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Center for Neurodegenerative Disease Research, Renmin Hospital of Wuhan University, Wuhan 430060, China.
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12
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Moazzam S, Noorjahan N, Jin Y, Nagy JI, Kardami E, Cattini PA. Effect of high fat diet on maternal behavior, brain-derived neurotrophic factor and neural stem cell proliferation in mice expressing human placental lactogen during pregnancy. J Neuroendocrinol 2024; 36:e13258. [PMID: 36989439 DOI: 10.1111/jne.13258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 02/05/2023] [Accepted: 02/08/2023] [Indexed: 03/14/2023]
Abstract
Maternal obesity is a serious health concern because it increases risks of neurological disorders, including anxiety and peripartum depression. In mice, a high fat diet (HFD) in pregnancy can negatively affect placental structure and function as well as maternal behavior reflected by impaired nest building and pup-retrieval. In humans, maternal obesity in pregnancy is associated with reduced placental lactogen (PL) gene expression, which has been linked to a higher risk of depression. PL acting predominantly through the prolactin receptor maintains energy homeostasis and is a marker of placenta villous trophoblast differentiation during pregnancy. Impaired neurogenesis and low serum levels of brain-derived neurotrophic factor (BDNF) have also been implicated in depression. Augmented neurogenesis in brain during pregnancy was reported in the subventricular zone (SVZ) of mice at gestation day 7 and linked to increased prolactin receptor signaling. Here, we used transgenic CD-1 mice that express human (h) PL during pregnancy to investigate whether the negative effects of diet on maternal behavior are mitigated in these (CD-1[hGH/PL]) mice. Specifically, we examined the effect of a HFD on nest building prepartum and pup retrieval postpartum, as well as on brain BDNF levels and neurogenesis. In contrast to wild-type CD-1[WT]mice, CD-1[hGH/PL] mice displayed significantly less anxiety-like behavior, and showed no impairment in prepartum nest building or postpartum pup-retrieval when fed a HFD. Furthermore, the HFD decreased prepartum and increased postpartum BDNF levels in CD-1[WT] but not CD-1[hGH/PL] mice. Finally, neurogenesis in the SVZ as well as phosphorylated mitogen-activated protein kinase, indicative of lactogenic signaling, appeared unaffected by pregnancy and diet at gestation day 7 in CD-1[hGH/PL] mice. These observations indicate that CD-1[hGH/PL] mice are resistant to the negative effects of HFD reported for CD-1[WT] mice, including effects on maternal behaviors and BDNF levels, and potentially, neurogenesis. This difference probably reflects a direct or indirect effect of the products of the hGH/PL transgene.
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Affiliation(s)
- Showall Moazzam
- Department of Physiology and Pathophysiology, University of Manitoba, Winnipeg, Canada
| | - Noshin Noorjahan
- Department of Physiology and Pathophysiology, University of Manitoba, Winnipeg, Canada
| | - Yan Jin
- Department of Physiology and Pathophysiology, University of Manitoba, Winnipeg, Canada
| | - James I Nagy
- Department of Physiology and Pathophysiology, University of Manitoba, Winnipeg, Canada
| | - Elissavet Kardami
- Department of Human Anatomy and Cell Science, University of Manitoba, Winnipeg, Canada
- Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
| | - Peter A Cattini
- Department of Physiology and Pathophysiology, University of Manitoba, Winnipeg, Canada
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Abbasi N, Mirabzadeh Y, Khesali G, Ebrahimkhani Z, Karimi H, Vaseghi S. Chronic REM sleep deprivation leads to manic- and OCD-related behaviors, and decreases hippocampal BDNF expression in female rats. Psychopharmacology (Berl) 2024; 241:1345-1363. [PMID: 38430395 DOI: 10.1007/s00213-024-06566-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 02/22/2024] [Indexed: 03/03/2024]
Abstract
BACKGROUND Rapid-eye movement (REM) sleep deprivation (SD) can induce manic-like behaviors in rodents. On the other hand, lithium, as one of the oldest drugs used in neuropsychiatric disorders, is still one of the best drugs for the treatment and control of bipolar disorder. In this study, we aimed to investigate the role of chronic short-term REM SD in the induction of manic-like behaviors in female rats. METHODS The rats were exposed to REM SD for 14 days (6 hours/day). Lithium was intraperitoneally injected at the doses of 10, 50, and 100 mg/kg. RESULTS REM SD induced hyperactivity and OCD-like behavior, and decreased anxiety, depressive-like behavior, and pain subthreshold. REM SD also impaired passive avoidance memory and decreased hippocampal brain-derived neurotrophic factor (BDNF) expression level. Lithium at the doses of 50 and 100 mg/kg partly and completely abolished these effects, respectively. However, lithium (100 mg/kg) increased BDNF expression level in control and sham REM SD rats with no significant changes in behavior. CONCLUSIONS Chronic short-term REM SD may induce a mania-like model and lead to OCD-like behavior and irritability. In the present study, we demonstrated a putative rodent model of mania induced by chronic REM SD in female rats. We suggest that future studies should examine behavioral and mood changes following chronic REM SD in both sexes. Furthermore, the relationship between manic-like behaviors and chronic REM SD should be investigated.
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Affiliation(s)
- Nahal Abbasi
- Department of Health Psychology, Faculty of Medical Sciences, Karaj Branch, Islamic Azad University, Karaj, Iran
| | - Yasaman Mirabzadeh
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Golnaz Khesali
- Cognitive Neuroscience Lab, Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran
| | - Zahra Ebrahimkhani
- Cognitive Neuroscience Lab, Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran
| | - Hanie Karimi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Salar Vaseghi
- Cognitive Neuroscience Lab, Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran.
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran.
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14
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Merabtine T, Tarhini Z, Preux PM, Christou N, Jost J. Effects of antidepressant and antipsychotic medication on peripheral brain-derived neurotrophic factor concentration: Systematic review and meta-analysis. Psychiatry Res 2024; 337:115946. [PMID: 38703562 DOI: 10.1016/j.psychres.2024.115946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/06/2024]
Abstract
Brain-derived neurotrophic factor (BDNF) is an important regulatory protein in the pathophysiology of psychiatric disorders. Several studies have reported the relationship between peripheral BDNF concentrations and the use of psychoactive drugs. However, the results remain controversial. This study aimed to evaluate the effects of psychoactive drugs on BDNF concentrations and to explore the association between changes in BDNF concentrations and improvements in clinical scores. A systematic review and meta-analysis were conducted. Six electronic databases, including PubMed, Scopus, Medline, Web of Science, Google Scholar and Science Direct, were searched. Changes in BDNF concentrations were compared before and after psychoactive treatment, using the standardized mean difference (SMD) and 95 % confidence interval (95 % CI). Twenty-three studies were included. A significant increase in serum BDNF concentrations was observed after treatment with antipsychotics (SMD=0.43; 95 %CI: 0.26, 0.60) and antidepressants (SMD=0.49; 95 %CI: 0.23, 0.74). However, the plasma BDNF concentration was not affected by antidepressant and antipsychotic medication. Although an improvement in clinical scores was observed after treatment, no significant association was observed between changes in BDNF concentrations and the changes in the Positive and Negative Syndrome Scale (PANSS) and the Hamilton Depression Rating Scale (HAM-D) scores. In conclusion, antidepressants and antipsychotics increase serum BDNF concentrations.
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Affiliation(s)
- Tassadit Merabtine
- Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, Omega Health, Limoges, France
| | - Zeinab Tarhini
- Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, Omega Health, Limoges, France; Laboratory INSERM U1308, CAPTuR, Control of cell Activation in Tumor Progression and Therapeutic Resistance, Medical School- 2 rue du Docteur Marcland 87025 LIMOGES Cedex, France; General Cancer Registry in Haute-Vienne, University Hospital of Limoges, Avenue Martin Luther King 87000 Limoges, France.
| | - Pierre-Marie Preux
- Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, Omega Health, Limoges, France; General Cancer Registry in Haute-Vienne, University Hospital of Limoges, Avenue Martin Luther King 87000 Limoges, France
| | - Niki Christou
- Laboratory INSERM U1308, CAPTuR, Control of cell Activation in Tumor Progression and Therapeutic Resistance, Medical School- 2 rue du Docteur Marcland 87025 LIMOGES Cedex, France; Digestive Surgery Department, University Hospital of Limoges, Avenue Martin Luther King 87000 Limoges, France
| | - Jeremy Jost
- Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, Omega Health, Limoges, France; Pharmacy Department, University Hospital of Limoges, Avenue Martin Luther King 87000 Limoges, France
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15
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Waliany S, Lin JJ. Taletrectinib: TRUST in the Continued Evolution of Treatments for ROS1 Fusion-Positive Lung Cancer. J Clin Oncol 2024:JCO2401062. [PMID: 38941567 DOI: 10.1200/jco.24.01062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 05/22/2024] [Indexed: 06/30/2024] Open
Affiliation(s)
- Sarah Waliany
- Cancer Center and Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Jessica J Lin
- Cancer Center and Department of Medicine, Massachusetts General Hospital, Boston, MA
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16
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Shi M, Li Z, Tang Z, Zhou H, Hhuang X, Wei Y, Li X, Li X, Shi H, Qin D. Exploring the Pathogenesis and Treatment of PSD from the Perspective of Gut Microbiota. Brain Res Bull 2024; 215:111022. [PMID: 38936669 DOI: 10.1016/j.brainresbull.2024.111022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 05/30/2024] [Accepted: 06/24/2024] [Indexed: 06/29/2024]
Abstract
Post-stroke depression (PSD) is a psychological disease that can occur following a stroke and is associated with serious consequences. Research on the pathogenesis and treatment of PSD is still in the infancy stage. Patients with PSD often exhibit gastrointestinal symptoms; therefore the role of gut microbiota in the pathophysiology and potential treatment effects of PSD has become a hot topic of research. In this review, describe the research on the pathogenesis and therapy of PSD. We also describe how the gut microbiota influences neurotransmitters, the endocrine system, energy metabolism, and the immune system. It was proposed that the gut microbiota is involved in the pathogenesis and treatment of PSD through the regulation of neurotransmitter levels, vagal signaling, hypothalamic-pituitary-adrenal axis activation and inhibition, hormone secretion and release, in addition to immunity and inflammation.
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Affiliation(s)
- Mingqin Shi
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China.
| | - Zhenmin Li
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China.
| | - Zhengxiu Tang
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China.
| | - Haimei Zhou
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China.
| | - Xiaoyi Hhuang
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China.
| | - Yuanyuan Wei
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming 650500, China.
| | - Xinyao Li
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China.
| | - Xiahuang Li
- School of Traditional Chinese Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan, China.
| | - Hongling Shi
- The People's Hospital of Mengzi, The Affiliated Hospital of Yunnan University of Chinese Medicine, Mengzi Honghe, China.
| | - Dongdong Qin
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China.
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17
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Durmaz E, Dribika L, Kutnyanszky M, Mead B. Utilizing extracellular vesicles as a drug delivery system in glaucoma and RGC degeneration. J Control Release 2024; 372:209-220. [PMID: 38880332 DOI: 10.1016/j.jconrel.2024.06.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 06/18/2024]
Abstract
Retinal diseases are the leading cause of blindness, resulting in irreversible degeneration and death of retinal neurons. One such cell type, the retinal ganglion cell (RGC), is responsible for connecting the retina to the rest of the brain through its axons that make up the optic nerve and is the primary cell lost in glaucoma and traumatic optic neuropathy. To date, different therapeutic strategies have been investigated to protect RGCs from death and preserve vision, yet currently available strategies are restricted to treating neuron loss by reducing intraocular pressure. A major barrier identified by these studies is drug delivery to RGCs, which is in large part due to drug stability, short duration time at target, low delivery efficiency, and undesired off-target effects. Therefore, a delivery system to deal with these problems is needed to ensure maximum benefit from the candidate therapeutic material. Extracellular vesicles (EV), nanocarriers released by all cells, are lipid membranes encapsulating RNAs, proteins, and lipids. As they naturally shuttle these encapsulated compounds between cells for communicative purposes, they may be exploitable and offer opportunities to overcome hurdles in retinal drug delivery, including drug stability, drug molecular weight, barriers in the retina, and drug adverse effects. Here, we summarize the potential of an EV drug delivery system, discussing their superiorities and potential application to target RGCs.
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Affiliation(s)
- Esmahan Durmaz
- Cardiff University, School of Optometry & Vision Sciences, Cardiff, UK.
| | | | | | - Ben Mead
- Cardiff University, School of Optometry & Vision Sciences, Cardiff, UK.
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18
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Cases-Cunillera S, Friker LL, Müller P, Becker AJ, Gielen GH. From bedside to bench: New insights in epilepsy-associated tumors based on recent classification updates and animal models on brain tumor networks. Mol Oncol 2024. [PMID: 38899375 DOI: 10.1002/1878-0261.13680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 12/28/2023] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Low-grade neuroepithelial tumors (LGNTs), particularly those with glioneuronal histology, are highly associated with pharmacoresistant epilepsy. Increasing research focused on these neoplastic lesions did not translate into drug discovery; and anticonvulsant or antitumor therapies are not available yet. During the last years, animal modeling has improved, thereby leading to the possibility of generating brain tumors in mice mimicking crucial genetic, molecular and immunohistological features. Among them, intraventricular in utero electroporation (IUE) has been proven to be a valuable tool for the generation of animal models for LGNTs allowing endogenous tumor growth within the mouse brain parenchyma. Epileptogenicity is mostly determined by the slow-growing patterns of these tumors, thus mirroring intrinsic interactions between tumor cells and surrounding neurons is crucial to investigate the mechanisms underlying convulsive activity. In this review, we provide an updated classification of the human LGNT and summarize the most recent data from human and animal models, with a focus on the crosstalk between brain tumors and neuronal function.
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Affiliation(s)
- Silvia Cases-Cunillera
- INSERM U1266, Neuronal Signaling in Epilepsy and Glioma, Institute of Psychiatry and Neuroscience of Paris (IPNP), Université Paris Cité, Paris, France
- Section for Translational Epilepsy Research, Institute of Neuropathology, University Hospital Bonn, Bonn, Germany
| | - Lea L Friker
- Institute of Neuropathology, University Hospital Bonn, Bonn, Germany
| | - Philipp Müller
- Section for Translational Epilepsy Research, Institute of Neuropathology, University Hospital Bonn, Bonn, Germany
| | - Albert J Becker
- Section for Translational Epilepsy Research, Institute of Neuropathology, University Hospital Bonn, Bonn, Germany
| | - Gerrit H Gielen
- Institute of Neuropathology, University Hospital Bonn, Bonn, Germany
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19
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Lee DH, Lee EC, Lee JY, Lee MR, Shim JW, Oh JS. Neuronal Cell Differentiation of iPSCs for the Clinical Treatment of Neurological Diseases. Biomedicines 2024; 12:1350. [PMID: 38927557 PMCID: PMC11201423 DOI: 10.3390/biomedicines12061350] [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: 04/20/2024] [Revised: 06/05/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Current chemical treatments for cerebrovascular disease and neurological disorders have limited efficacy in tissue repair and functional restoration. Induced pluripotent stem cells (iPSCs) present a promising avenue in regenerative medicine for addressing neurological conditions. iPSCs, which are capable of reprogramming adult cells to regain pluripotency, offer the potential for patient-specific, personalized therapies. The modulation of molecular mechanisms through specific growth factor inhibition and signaling pathways can direct iPSCs' differentiation into neural stem cells (NSCs). These include employing bone morphogenetic protein-4 (BMP-4), transforming growth factor-beta (TGFβ), and Sma-and Mad-related protein (SMAD) signaling. iPSC-derived NSCs can subsequently differentiate into various neuron types, each performing distinct functions. Cell transplantation underscores the potential of iPSC-derived NSCs to treat neurodegenerative diseases such as Parkinson's disease and points to future research directions for optimizing differentiation protocols and enhancing clinical applications.
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Affiliation(s)
- Dong-Hun Lee
- Industry-Academic Cooperation Foundation, The Catholic University of Korea, 222, Banpo-daro, Seocho-gu, Seoul 06591, Republic of Korea
| | - Eun Chae Lee
- Department of Medical Life Sciences, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Ji young Lee
- Department of Neurosurgery, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Man Ryul Lee
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Republic of Korea
| | - Jae-won Shim
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Republic of Korea
- Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan-si 31151, Republic of Korea
| | - Jae Sang Oh
- Department of Neurosurgery, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
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20
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Mendes AX, Caballero Aguilar L, do Nascimento AT, Duchi S, Charnley M, Nisbet DR, Quigley AF, Kapsa RMI, Moraes Silva S, Moulton SE. Integrating Graphene Oxide-Hydrogels and Electrical Stimulation for Controlled Neurotrophic Factor Encapsulation: A Promising Approach for Efficient Nerve Tissue Regeneration. ACS APPLIED BIO MATERIALS 2024; 7:4175-4192. [PMID: 38830774 DOI: 10.1021/acsabm.4c00523] [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] [Indexed: 06/05/2024]
Abstract
Nerve growth factor (NGF) plays a crucial role in cellular growth and neurodifferentiation. To achieve significant neuronal regeneration and repair using in vitro NGF delivery, spatiotemporal control that follows the natural neuronal processes must be developed. Notably, a challenge hindering this is the uncontrolled burst release from the growth factor delivery systems. The rapid depletion of NGF reduces treatment efficacy, leading to poor cellular response. To address this, we developed a highly controllable system using graphene oxygen (GO) and GelMA hydrogels modulated by electrical stimulation. Our system showed superior control over the release kinetics, reducing the burst up 30-fold. We demonstrate that the system is also able to sequester and retain NGF up to 10-times more efficiently than GelMA hydrogels alone. Our controlled release system enabled neurodifferentiation, as revealed by gene expression and immunostaining analysis. The increased retention and reduced burst release from our system show a promising pathway for nerve tissue engineering research toward effective regeneration.
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Affiliation(s)
- Alexandre Xavier Mendes
- ARC Centre of Excellence for Electromaterials Science, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
- Aikenhead Centre for Medical Discovery, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Lilith Caballero Aguilar
- Aikenhead Centre for Medical Discovery, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
- The Graeme Clark Institute, Biomedical Engineering Department, Melbourne University, Melbourne, Victoria 3065, Australia
- Department of Biomedical Engineering, Faculty of Engineering and Information Technology, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Adriana Teixeira do Nascimento
- ARC Centre of Excellence for Electromaterials Science, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
- Aikenhead Centre for Medical Discovery, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Serena Duchi
- Aikenhead Centre for Medical Discovery, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
- Department of Surgery, University of Melbourne, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Mirren Charnley
- Centre for Optical Sciences and Department of Health Sciences and Biostatistics, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- Department of Health Sciences and Biostatistics, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- Immune Signalling Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000 Australia
| | - David R Nisbet
- Aikenhead Centre for Medical Discovery, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
- The Graeme Clark Institute, Biomedical Engineering Department, Melbourne University, Melbourne, Victoria 3065, Australia
- Department of Biomedical Engineering, Faculty of Engineering and Information Technology, The University of Melbourne, Melbourne, Victoria 3010, Australia
- Melbourne Medical School, Faculty of Medicine, Dentistry and Health Science, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Anita F Quigley
- ARC Centre of Excellence for Electromaterials Science, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
- School of Electrical and Biomedical Engineering, RMIT University, Melbourne, Victoria 3001, Australia
- Department of Medicine, University of Melbourne, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Robert M I Kapsa
- ARC Centre of Excellence for Electromaterials Science, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
- Aikenhead Centre for Medical Discovery, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
- School of Electrical and Biomedical Engineering, RMIT University, Melbourne, Victoria 3001, Australia
- Department of Medicine, University of Melbourne, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Saimon Moraes Silva
- Department of Biochemistry and Chemistry, Biomedical and Environmental Sensor Technology Centre, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria 3086, Australia
| | - Simon E Moulton
- ARC Centre of Excellence for Electromaterials Science, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
- Aikenhead Centre for Medical Discovery, St Vincent's Hospital Melbourne, Melbourne, Victoria 3065, Australia
- Iverson Health Innovation Research Institute, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
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21
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Bernardes CP, Lopes Pinheiro E, Ferreira IG, de Oliveira IS, dos Santos NAG, Sampaio SV, Arantes EC, dos Santos AC. Fraction of C. d. collilineatus venom containing crotapotin protects PC12 cells against MPP + toxicity by activating the NGF-signaling pathway. J Venom Anim Toxins Incl Trop Dis 2024; 30:e20230056. [PMID: 38915449 PMCID: PMC11194915 DOI: 10.1590/1678-9199-jvatitd-2023-0056] [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: 08/23/2023] [Accepted: 05/08/2024] [Indexed: 06/26/2024] Open
Abstract
Background Parkinson's disease (PD) is the second most prevalent neurodegenerative disease. There is no effective treatment for neurodegenerative diseases. Snake venoms are a cocktail of proteins and peptides with great therapeutic potential and might be useful in the treatment of neurodegenerative diseases. Crotapotin is the acid chain of crotoxin, the major component of Crotalus durissus collilineatus venom. PD is characterized by low levels of neurotrophins, and synaptic and axonal degeneration; therefore, neurotrophic compounds might delay the progression of PD. The neurotrophic potential of crotapotin has not been studied yet. Methods We evaluated the neurotrophic potential of crotapotin in untreated PC12 cells, by assessing the induction of neurite outgrowth. The activation of the NGF signaling pathway was investigated through pharmacological inhibition of its main modulators. Additionally, its neuroprotective and neurorestorative effects were evaluated by assessing neurite outgrowth and cell viability in PC12 cells treated with the dopaminergic neurotoxin MPP+ (1-methyl-4-phenylpyridinium), known to induce Parkinsonism in humans and animal models. Results Crotapotin induced neuritogenesis in PC12 cells through the NGF-signaling pathway, more specifically, by activating the NGF-selective receptor trkA, and the PI3K/Akt and the MAPK/ERK cascades, which are involved in neuronal survival and differentiation. In addition, crotapotin had no cytotoxic effect and protected PC12 cells against the inhibitory effects of MPP+ on cell viability and differentiation. Conclusion These findings show, for the first time, that crotapotin has neurotrophic/neuroprotective/neurorestorative potential and might be beneficial in Parkinson's disease. Additional studies are necessary to evaluate the toxicity of crotapotin in other cell models.
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Affiliation(s)
- Carolina Petri Bernardes
- Department of Clinical Analyses, Toxicology and Food Science, School
of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP),
Ribeirão Preto, SP, Brazil
| | - Ernesto Lopes Pinheiro
- Department of Biomolecular Sciences, School of Pharmaceutical
Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP,
Brazil
| | - Isabela Gobbo Ferreira
- Department of Biomolecular Sciences, School of Pharmaceutical
Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP,
Brazil
| | - Isadora Sousa de Oliveira
- Department of Biomolecular Sciences, School of Pharmaceutical
Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP,
Brazil
| | - Neife Aparecida Guinaim dos Santos
- Department of Clinical Analyses, Toxicology and Food Science, School
of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP),
Ribeirão Preto, SP, Brazil
| | - Suely Vilela Sampaio
- Department of Clinical Analyses, Toxicology and Food Science, School
of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP),
Ribeirão Preto, SP, Brazil
| | - Eliane Candiani Arantes
- Department of Biomolecular Sciences, School of Pharmaceutical
Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP,
Brazil
| | - Antonio Cardozo dos Santos
- Department of Clinical Analyses, Toxicology and Food Science, School
of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP),
Ribeirão Preto, SP, Brazil
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22
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Liu Y, Chen W, Liu M, Yeh H, Chen W, Jiang K, Li H, Chen Z, Wang W, Abou‐Kheir W, Wen Y. Immunosuppressive role of BDNF in therapy-induced neuroendocrine prostate cancer. Mol Oncol 2024; 18:1665-1686. [PMID: 38381121 PMCID: PMC11161734 DOI: 10.1002/1878-0261.13614] [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: 09/07/2023] [Revised: 01/11/2024] [Accepted: 02/13/2024] [Indexed: 02/22/2024] Open
Abstract
Prostate stromal cells play a crucial role in the promotion of tumor growth and immune evasion in the tumor microenvironment (TME) through intricate molecular alterations in their interaction with prostate cancer (PCa) cells. While the impact of these cells on establishing an immunosuppressive response and influencing PCa aggressiveness remains incompletely understood. Our study shows that the activation of the leukemia inhibitory factor (LIF)/LIF receptor (LIFR) pathway in both prostate tumor and stromal cells, following androgen deprivation therapy (ADT), leads to the development of an immunosuppressive TME. Activation of LIF/LIFR signaling in PCa cells induces neuroendocrine differentiation (NED) and upregulates immune checkpoint expression. Inhibition of LIF/LIFR attenuates these effects, underscoring the crucial role of LIF/LIFR in linking NED to immunosuppression. Prostate stromal cells expressing LIFR contribute to NED and immunosuppressive marker abundance in PCa cells, while LIFR knockdown in prostate stromal cells reverses these effects. ADT-driven LIF/LIFR signaling induces brain-derived neurotrophic factor (BDNF) expression, which, in turn, promotes NED, aggressiveness, and immune evasion in PCa cells. Clinical analyses demonstrate elevated BDNF levels in metastatic castration-resistant PCa (CRPC) and a positive correlation with programmed death-ligand 1 (PDL1) and immunosuppressive signatures. This study shows that the crosstalk between PCa cells and prostate stromal cells enhances LIF/LIFR signaling, contributing to an immunosuppressive TME and NED in PCa cells through the upregulation of BDNF.
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Affiliation(s)
- Yen‐Nien Liu
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and TechnologyTaipei Medical UniversityTaiwan
| | - Wei‐Yu Chen
- Department of Pathology, Wan Fang HospitalTaipei Medical UniversityTaiwan
- Department of Pathology, School of Medicine, College of MedicineTaipei Medical UniversityTaiwan
| | - Ming‐Kun Liu
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and TechnologyTaipei Medical UniversityTaiwan
| | - Hsiu‐Lien Yeh
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and TechnologyTaipei Medical UniversityTaiwan
| | - Wei‐Hao Chen
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and TechnologyTaipei Medical UniversityTaiwan
| | - Kuo‐Ching Jiang
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and TechnologyTaipei Medical UniversityTaiwan
| | - Han‐Ru Li
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and TechnologyTaipei Medical UniversityTaiwan
| | - Zi‐Qing Chen
- Division of Clinical Pharmacy, School of PharmacyTaipei Medical UniversityTaiwan
| | - Wan‐Hsin Wang
- Division of Clinical Pharmacy, School of PharmacyTaipei Medical UniversityTaiwan
| | - Wassim Abou‐Kheir
- Department of Anatomy, Cell Biology and Physiological Sciences Faculty of MedicineAmerican University of BeirutLebanon
| | - Yu‐Ching Wen
- Department of Urology, Wan Fang HospitalTaipei Medical UniversityTaiwan
- Department of Urology, School of Medicine, College of MedicineTaipei Medical UniversityTaiwan
- TMU Research Center of Urology and KidneyTaipei Medical UniversityTaiwan
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23
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Zheng Q, Lin R, Wang D, Zheng C, Xu W. Effects of circulating inflammatory proteins on spinal degenerative diseases: Evidence from genetic correlations and Mendelian randomization study. JOR Spine 2024; 7:e1346. [PMID: 38895179 PMCID: PMC11183170 DOI: 10.1002/jsp2.1346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/22/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Background Numerous investigations have suggested links between circulating inflammatory proteins (CIPs) and spinal degenerative diseases (SDDs), but causality has not been proven. This study used Mendelian randomization (MR) to investigate the causal associations between 91 CIPs and cervical spondylosis (CS), prolapsed disc/slipped disc (PD/SD), spinal canal stenosis (SCS), and spondylolisthesis/spondylolysis. Methods Genetic variants data for CIPs and SDDs were obtained from the genome-wide association studies (GWAS) database. We used inverse variance weighted (IVW) as the primary method, analyzing the validity and robustness of the results through pleiotropy and heterogeneity tests and performing reverse MR analysis to test for reverse causality. Results The IVW results with Bonferroni correction indicated that beta-nerve growth factor (β-NGF), C-X-C motif chemokine 6 (CXCL6), and interleukin-6 (IL-6) can increase the risk of CS. Fibroblast growth factor 19 (FGF19), sulfotransferase 1A1 (SULT1A1), and tumor necrosis factor-beta (TNF-β) can increase PD/SD risk, whereas urokinase-type plasminogen activator (u-PA) can decrease the risk of PD/SD. FGF19 and TNF can increase SCS risk. STAM binding protein (STAMBP) and T-cell surface glycoprotein CD6 isoform (CD6 isoform) can increase the risk of spondylolisthesis/spondylolysis, whereas monocyte chemoattractant protein 2 (MCP2) and latency-associated peptide transforming growth factor beta 1 (LAP-TGF-β1) can decrease spondylolisthesis/spondylolysis risk. Conclusions MR analysis indicated the causal associations between multiple genetically predicted CIPs and the risk of four SDDs (CS, PD/SD, SCS, and spondylolisthesis/spondylolysis). This study provides reliable genetic evidence for in-depth exploration of the involvement of CIPs in the pathogenic mechanism of SDDs and provides novel potential targets for SDDs.
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Affiliation(s)
- Qingcong Zheng
- Department of Spinal SurgeryThe First Affiliated Hospital of Fujian Medical UniversityFuzhouChina
| | - Rongjie Lin
- Department of Orthopedic SurgeryFujian Medical University Union HospitalFuzhouChina
| | - Du Wang
- Arthritis Clinical and Research Center, Peking University People's HospitalBeijingChina
| | - Chunfu Zheng
- Department of Microbiology, Immunology and Infectious DiseasesUniversity of CalgaryCalgaryAlbertaCanada
| | - Weihong Xu
- Department of Spinal SurgeryThe First Affiliated Hospital of Fujian Medical UniversityFuzhouChina
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24
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Lucas ME, Hemsworth LM, Butler KL, Morrison RS, Tilbrook AJ, Marchant JN, Rault JL, Galea RY, Hemsworth PH. Early human contact and housing for pigs - part 3: ability to cope with the environment. Animal 2024; 18:101166. [PMID: 38772077 DOI: 10.1016/j.animal.2024.101166] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 05/23/2024] Open
Abstract
Early experiences can have long-term impacts on stress adaptability. This paper is the last of three in a series on early experiences and stress in pigs, and reports on the effects of early human contact and housing on the ability of pigs to cope with their general environment. Using a 2 × 2 factorial design, 48 litters of pigs were reared in either a farrowing crate (FC) or a loose farrowing pen (LP; PigSAFE pen) which was larger, more physically complex and allowed the sow to move freely. Piglets were provided with either routine contact from stockpeople (C), or routine contact plus regular opportunities for positive human contact (+HC) involving 5 min of scratching, patting and stroking imposed to the litter 5 days/week from 0 to 4 weeks of age. At 4 weeks of age (preweaning), C piglets that were reared in FC had considerably lower concentrations of serum brain-derived neurotrophic factor (BDNF) than piglets from the other treatment combinations. Compared to C pigs, +HC pigs had fewer injuries at 4 weeks of age. There were no clear effects of human contact on BDNF concentrations or injuries after weaning, or on basal cortisol or immunoglobulin-A concentrations, behavioural time budgets, tear staining, growth, or piglet survival. Compared to FC piglets, LP piglets showed more play behaviour and interactions with the dam and less repetitive nosing towards pen mates during lactation. There was no evidence that early housing affected pigs' behavioural time budgets or physiology after weaning. Tear staining severity was greater in LP piglets at 4 weeks of age, but this may have been associated with the higher growth rates of LP piglets preweaning. There was no effect of lactation housing on growth after weaning. Preweaning piglet mortality was higher in the loose system. The findings on BDNF concentrations, injuries and play behaviour suggest improved welfare during the treatment period in +HC and LP piglets compared to C and FC piglets, respectively. These results together with those from the other papers in this series indicate that positive human interaction early in life promotes stress adaptability in pigs. Furthermore, while the farrowing crate environment deprives piglets of opportunities for play behaviour and sow interaction, there was no evidence that rearing in crates negatively affected pig welfare or stress resilience after weaning. Whether these findings are specific to the two housing systems studied here, or can be generalised to other housing designs, warrants further research.
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Affiliation(s)
- M E Lucas
- The Animal Welfare Science Centre, Faculty of Science, The University of Melbourne, Parkville, Victoria 3010, Australia.
| | - L M Hemsworth
- The Animal Welfare Science Centre, Faculty of Science, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - K L Butler
- The Animal Welfare Science Centre, Faculty of Science, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - R S Morrison
- Rivalea Australia Pty Ltd, Corowa, Victoria 2464, Australia
| | - A J Tilbrook
- Centre for Animal Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia 4072, Australia; School of Veterinary Science, The University of Queensland, Gatton Campus, Gatton, Queensland 4343, Australia
| | - J N Marchant
- Organic Plus Trust, Alexandria, VA 22302, USA; A World of Good Initiative Inc., Dover, DE 19901, USA
| | - J-L Rault
- Institute of Animal Welfare Science, University of Veterinary Medicine, Vienna A-1210, Austria
| | - R Y Galea
- The Animal Welfare Science Centre, Faculty of Science, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - P H Hemsworth
- The Animal Welfare Science Centre, Faculty of Science, The University of Melbourne, Parkville, Victoria 3010, Australia
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25
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Park SJ, An SY, An YJ, Kim KS, Kim H, Cho JH, Lee YC. Promotion of neurite outgrowth by 3,5,7,3',4'-pentamethoxyflavone is mediated through ERK signaling pathway in Neuro2a cells. J Nat Med 2024; 78:599-607. [PMID: 38662302 DOI: 10.1007/s11418-024-01809-y] [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: 10/26/2023] [Accepted: 03/26/2024] [Indexed: 04/26/2024]
Abstract
In this study, the effects of 3,5,7,3',4'-pentamethoxyflavone (KP1), a major bioactive ingredient isolated from the Kaempferia parviflora rhizomes, on a neurite outgrowth in Neuro2a cells and its mechanism have been investigated. KP1 increased concentration-dependently the percentage of neurite-bearing cells. KP1 showed a remarkable capability to elicit neurite outgrowth in Neuro2a cells, as evidenced by morphological alterations and immunostaining using anti-class III β-tubulin and anti-NeuN antibodies. KP1 also displayed a higher neurogenic activity than retinoic acid (RA), a promoter of neurite outgrowth in Neuro2a cells. KP1 treatment caused significant elevation in phosphorylation of extracellular signal-regulated kinase (ERK), p38 mitogen-activated protein kinase (p38 MAPK) and glycogen synthase kinase-3β (GSK-3β). However, KP1-triggered neurite outgrowth was markedly inhibited by treatment with the ERK inhibitor U0126, whereas p38 MAPK inhibitor SB203580 and GSK-3β inhibitor SB216763 did not influence KP1-induced neurite outgrowth. These results demonstrate that KP1 elicits neurite outgrowth and triggers cell differentiation of Neuro2a cells through ERK signal pathway.
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Affiliation(s)
- Shin-Ji Park
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 604-714, South Korea
| | - So-Young An
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 604-714, South Korea
| | - Yeon Jin An
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 604-714, South Korea
| | - Kyoung-Sook Kim
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 604-714, South Korea
| | - Hyunju Kim
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 604-714, South Korea
| | - Jong Hyun Cho
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 604-714, South Korea.
| | - Young-Choon Lee
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 604-714, South Korea.
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26
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Hernandez-Morato I, Koss S, Honzel E, Pitman MJ. Netrin-1 as A neural guidance protein in development and reinnervation of the larynx. Ann Anat 2024; 254:152247. [PMID: 38458575 DOI: 10.1016/j.aanat.2024.152247] [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: 08/21/2023] [Revised: 02/01/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
Neural guidance proteins participate in motor neuron migration, axonal projection, and muscle fiber innervation during development. One of the guidance proteins that participates in axonal pathfinding is Netrin-1. Despite the well-known role of Netrin-1 in embryogenesis of central nervous tissue, it is still unclear how the expression of this guidance protein contributes to primary innervation of the periphery, as well as reinnervation. This is especially true in the larynx where Netrin-1 is upregulated within the intrinsic laryngeal muscles after nerve injury and where blocking of Netrin-1 alters the pattern of reinnervation of the intrinsic laryngeal muscles. Despite this consistent finding, it is unknown how Netrin-1 expression contributes to guidance of the axons towards the larynx. Improved knowledge of Netrin-1's role in nerve regeneration and reinnervation post-injury in comparison to its role in primary innervation during embryological development, may provide insights in the search for therapeutics to treat nerve injury. This paper reviews the known functions of Netrin-1 during the formation of the central nervous system and during cranial nerve primary innervation. It also describes the role of Netrin-1 in the formation of the larynx and during recurrent laryngeal reinnervation following nerve injury in the adult.
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Affiliation(s)
- Ignacio Hernandez-Morato
- Department of Otolaryngology-Head & Neck Surgery, The Center for Voice and Swallowing, Columbia University College of Physicians and Surgeons, New York, NY, United States; Department of Anatomy and Embryology, School of Medicine, Complutense University of Madrid, Madrid, Madrid, Spain.
| | - Shira Koss
- ENT Associates of Nassau County, Levittown, NY, United States
| | - Emily Honzel
- Department of Otolaryngology-Head & Neck Surgery, The Center for Voice and Swallowing, Columbia University College of Physicians and Surgeons, New York, NY, United States
| | - Michael J Pitman
- Department of Otolaryngology-Head & Neck Surgery, The Center for Voice and Swallowing, Columbia University College of Physicians and Surgeons, New York, NY, United States
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27
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Lian Y, Wu C, Liu L, Li X. Prediction of cell-cell communication patterns of dorsal root ganglion cells: single-cell RNA sequencing data analysis. Neural Regen Res 2024; 19:1367-1374. [PMID: 37905887 DOI: 10.4103/1673-5374.384067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 07/28/2023] [Indexed: 11/02/2023] Open
Abstract
Abstract
JOURNAL/nrgr/04.03/01300535-202406000-00042/inline-graphic1/v/2023-10-30T152229Z/r/image-tiff
Dorsal root ganglion neurons transmit peripheral somatic information to the central nervous system, and dorsal root ganglion neuron excitability affects pain perception. Dorsal root ganglion stimulation is a new approach for managing pain sensation. Knowledge of the cell-cell communication among dorsal root ganglion cells may help in the development of new pain and itch management strategies. Here, we used the single-cell RNA-sequencing (scRNA-seq) database to investigate intercellular communication networks among dorsal root ganglion cells. We collected scRNA-seq data from six samples from three studies, yielding data on a total of 17,766 cells. Based on genetic profiles, we identified satellite glial cells, Schwann cells, neurons, vascular endothelial cells, immune cells, fibroblasts, and vascular smooth muscle cells. Further analysis revealed that eight types of dorsal root ganglion neurons mediated proprioceptive, itch, touch, mechanical, heat, and cold sensations. Moreover, we predicted several distinct forms of intercellular communication among dorsal root ganglion cells, including cell-cell contact, secreted signals, extracellular matrix, and neurotransmitter-mediated signals. The data mining predicted that Mrgpra3-positive neurons robustly express the genes encoding the adenosine Adora2b (A2B) receptor and glial cell line-derived neurotrophic factor family receptor alpha 1 (GFRα-1). Our immunohistochemistry results confirmed the coexpression of the A2B receptor and GFRα-1. Intrathecal injection of the A2B receptor antagonist PSB-603 effectively prevented histamine-induced scratching behaviour in a dose-dependent manner. Our results demonstrate the involvement of the A2B receptor in the modulation of itch sensation. Furthermore, our findings provide insight into dorsal root ganglion cell-cell communication patterns and mechanisms. Our results should contribute to the development of new strategies for the regulation of dorsal root ganglion excitability.
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Affiliation(s)
- Yanna Lian
- National Health Commission and Chinese Academy of Medical Sciences Key Laboratory of Medical Neurobiology, Ministry of Education Frontier Science Center for Brain Research and Brain-Machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
- International Institutes of Medicine, the Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang Province, China
| | - Cheng Wu
- National Health Commission and Chinese Academy of Medical Sciences Key Laboratory of Medical Neurobiology, Ministry of Education Frontier Science Center for Brain Research and Brain-Machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
- Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine, Zhejiang University, Haining, Zhejiang Province, China
- Biomedical Sciences, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, UK
| | - Li Liu
- Core Facilities of the School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Xiangyao Li
- National Health Commission and Chinese Academy of Medical Sciences Key Laboratory of Medical Neurobiology, Ministry of Education Frontier Science Center for Brain Research and Brain-Machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
- International Institutes of Medicine, the Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang Province, China
- Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine, Zhejiang University, Haining, Zhejiang Province, China
- Biomedical Sciences, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, UK
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Kipp BT, Savage LM. Modulation of the p75NTR during Adolescent Alcohol Exposure Prevents Cholinergic Neuronal Atrophy and Associated Acetylcholine Activity and Behavioral Dysfunction. Int J Mol Sci 2024; 25:5792. [PMID: 38891978 PMCID: PMC11172149 DOI: 10.3390/ijms25115792] [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: 03/31/2024] [Revised: 05/16/2024] [Accepted: 05/17/2024] [Indexed: 06/21/2024] Open
Abstract
Binge alcohol consumption during adolescence can produce lasting deficits in learning and memory while also increasing the susceptibility to substance use disorders. The adolescent intermittent ethanol (AIE) rodent model mimics human adolescent binge drinking and has identified the nucleus basalis magnocellularis (NbM) as a key site of pathology. The NbM is a critical regulator of prefrontal cortical (PFC) cholinergic function and attention. The cholinergic phenotype is controlled pro/mature neurotrophin receptor activation. We sought to determine if p75NTR activity contributes to the loss of cholinergic phenotype in AIE by using a p75NTR modulator (LM11A-31) to inhibit prodegenerative signaling during ethanol exposure. Male and female rats underwent 5 g/kg ethanol (AIE) or water (CON) exposure following 2-day-on 2-day-off cycles from postnatal day 25-57. A subset of these groups also received a protective dose of LM11A-31 (50 mg/kg) during adolescence. Rats were trained on a sustained attention task (SAT) and behaviorally relevant acetylcholine (ACh) activity was recorded in the PFC with a fluorescent indicator (AChGRAB 3.0). AIE produced learning deficits on the SAT, which were spared with LM11A-31. In addition, PFC ACh activity was blunted by AIE, which LM11A-31 corrected. Investigation of NbM ChAT+ and TrkA+ neuronal expression found that AIE led to a reduction of ChAT+TrkA+ neurons, which again LM11A-31 protected. Taken together, these findings demonstrate the p75NTR activity during AIE treatment is a key regulator of cholinergic degeneration.
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Affiliation(s)
| | - Lisa M. Savage
- Department of Psychology, Binghamton University-State University of New York, Binghamton, NY 13902, USA;
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Cortés-Álvarez NY, Lara-Morales A, Bautista-Rodríguez E, Marmolejo-Murillo LG, Díaz Jiménez A, Vergara Hernández LA, Fernández Moya M, Vuelvas-Olmos CR. Job burnout, cognitive functioning, and Brain-derived neurotrophic factor expression among hospital Mexican nurses. PLoS One 2024; 19:e0304092. [PMID: 38787900 PMCID: PMC11125546 DOI: 10.1371/journal.pone.0304092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
AIM To analyze the relationship between burnout syndrome, cognitive functions, and sBDNF (Serum Brain-derived Neurotrophic Factor) in Mexican nurses. METHOD A descriptive cross-sectional design was used. This study target staff nurses working in hospitals in Guanajuato, México. Demographic and working condition data were collected via questionnaire. The Maslach Burnout Inventory (MBI) was used to evaluate burnout. A blood sample were collected and processed by ELISA technique to measure sBDNF. Finally, the General Cognitive Assessment (CAB) of the Cognifit© neuropsychological battery was used to evaluated cognitive functions. RESULTS Findings showed that there are sociodemographic characteristics and working conditions associated with burnout syndrome among nurses. Furthermore, the data demonstrated a significant decrease in sBDNF levels in burnout nurses and a negative correlation between BDNF levels and burnout syndrome. Additionally, these burnout nurse also revealed significant cognitive impairment in reasoning, memory, and attention as well as total scores of CAB. Interestingly, we found a positive correlation between sBDNF levels and the cognitive deficits in burnout nurse. CONCLUSION Reduced BDNF levels could be a biological indicator or part of the pathological process of burnout, which could affect cognitive abilities. Reduced cognitive function in nurses has relevant implications and emphasizes the need for specialized preventive strategies because nurses make clinical decisions concerning their patients, whose situations are constantly changing.
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Affiliation(s)
- Nadia Yanet Cortés-Álvarez
- Department of Nursing and Midwifery, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico
| | - Alfredo Lara-Morales
- Department of Nursing and Midwifery, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico
| | - Elizabeth Bautista-Rodríguez
- Faculty of Biotechnology, Laboratory of Medical & Pharmaceutical Biotechnology, Universidad Popular Autónoma del Estado de Puebla (UPAEP), Puebla, Mexico
| | | | | | | | - Monserrat Fernández Moya
- Department of Nursing and Midwifery, Division of Life Sciences, University of Guanajuato, Guanajuato, Mexico
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Wu MW, Kourdougli N, Portera-Cailliau C. Network state transitions during cortical development. Nat Rev Neurosci 2024:10.1038/s41583-024-00824-y. [PMID: 38783147 DOI: 10.1038/s41583-024-00824-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/01/2024] [Indexed: 05/25/2024]
Abstract
Mammalian cortical networks are active before synaptogenesis begins in earnest, before neuronal migration is complete, and well before an animal opens its eyes and begins to actively explore its surroundings. This early activity undergoes several transformations during development. The most important of these is a transition from episodic synchronous network events, which are necessary for patterning the neocortex into functionally related modules, to desynchronized activity that is computationally more powerful and efficient. Network desynchronization is perhaps the most dramatic and abrupt developmental event in an otherwise slow and gradual process of brain maturation. In this Review, we summarize what is known about the phenomenology of developmental synchronous activity in the rodent neocortex and speculate on the mechanisms that drive its eventual desynchronization. We argue that desynchronization of network activity is a fundamental step through which the cortex transitions from passive, bottom-up detection of sensory stimuli to active sensory processing with top-down modulation.
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Affiliation(s)
- Michelle W Wu
- Department of Neurology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
- Neuroscience Interdepartmental Graduate Program, University of California Los Angeles, Los Angeles, CA, USA
- UCLA-Caltech Medical Scientist Training Program, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Nazim Kourdougli
- Department of Neurology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Carlos Portera-Cailliau
- Department of Neurology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
- Department of Neurobiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
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31
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Kovacheva E, Gevezova M, Maes M, Sarafian V. The mast cells - Cytokines axis in Autism Spectrum Disorder. Neuropharmacology 2024; 249:109890. [PMID: 38431049 DOI: 10.1016/j.neuropharm.2024.109890] [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: 01/22/2024] [Revised: 02/19/2024] [Accepted: 02/24/2024] [Indexed: 03/05/2024]
Abstract
Autism Spectrum Disorder (ASD) is a neurodevelopmental disturbance, diagnosed in early childhood. It is associated with varying degrees of dysfunctional communication and social skills, repetitive and stereotypic behaviors. Regardless of the constant increase in the number of diagnosed patients, there are still no established treatment schemes in global practice. Many children with ASD have allergic symptoms, often in the absence of mast cell (MC) positive tests. Activation of MCs may release molecules related to inflammation and neurotoxicity, which contribute to the pathogenesis of ASD. The aim of the present paper is to enrich the current knowledge regarding the relationship between MCs and ASD by providing PPI network analysis-based data that reveal key molecules and immune pathways associated with MCs in the pathogenesis of autism. Network and enrichment analyzes were performed using receptor information and secreted molecules from activated MCs identified in ASD patients. Our analyses revealed cytokines and key marker molecules for MCs degranulation, molecular pathways of key mediators released during cell degranulation, as well as various receptors. Understanding the relationship between ASD and the activation of MCs, as well as the involved molecules and interactions, is important for elucidating the pathogenesis of ASD and developing effective future treatments for autistic patients by discovering new therapeutic target molecules.
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Affiliation(s)
- Eleonora Kovacheva
- Department of Medical Biology, Medical University-Plovdiv, Plovdiv, Bulgaria; Research Institute at Medical University-Plovdiv, Plovdiv, Bulgaria
| | - Maria Gevezova
- Department of Medical Biology, Medical University-Plovdiv, Plovdiv, Bulgaria; Research Institute at Medical University-Plovdiv, Plovdiv, Bulgaria
| | - Michael Maes
- Research Institute at Medical University-Plovdiv, Plovdiv, Bulgaria; Sichuan Provincial Center for Mental Health, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China; Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, 610072, China; Department of Psychiatry, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand; Cognitive Fitness and Technology Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Department of Psychiatry, Medical University-Plovdiv, Plovdiv, Bulgaria; Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, South Korea
| | - Victoria Sarafian
- Department of Medical Biology, Medical University-Plovdiv, Plovdiv, Bulgaria; Research Institute at Medical University-Plovdiv, Plovdiv, Bulgaria.
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32
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Metallinou C, Staneloudi C, Nikolettos K, Asimakopoulos B. NGF, EPO, and IGF-1 in the Male Reproductive System. J Clin Med 2024; 13:2918. [PMID: 38792459 PMCID: PMC11122040 DOI: 10.3390/jcm13102918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/09/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024] Open
Abstract
Several studies have demonstrated interesting results considering the implication of three growth factors (GFs), namely nerve growth factor (NGF), erythropoietin (EPO), and the insulin-like growth factor-I (IGF-1) in the physiology of male reproductive functions. This review provides insights into the effects of NGF, EPO, and IGF-1 on the male reproductive system, emphasizing mainly their effects on sperm motility and vitality. In the male reproductive system, the expression pattern of the NGF system varies according to the species and testicular development, playing a crucial role in morphogenesis and spermatogenesis. In humans, it seems that NGF positively affects sperm motility parameters and NGF supplementation in cryopreservation media improves post-thaw sperm motility. In animals, EPO is found in various male reproductive tissues, and in humans, the protein is present in seminal plasma and testicular germ cells. EPO receptors have been discovered in the plasma membrane of human spermatozoa, suggesting potential roles in sperm motility and vitality. In humans, IGF-1 is expressed mainly in Sertoli cells and is present in seminal plasma, contributing to cell development and the maturation of spermatozoa. IGF-1 seems to modulate sperm motility, and treatment with IGF-1 has a positive effect on sperm motility and vitality. Furthermore, lower levels of NGF or IGF-1 in seminal plasma are associated with infertility. Understanding the mechanisms of actions of these GFs in the male reproductive system may improve the outcome of sperm processing techniques.
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Affiliation(s)
- Chryssa Metallinou
- Laboratory of Physiology, Faculty of Medicine, School of Health Sciences, Democritus University of Thrace, 69100 Alexandroupolis, Greece; (C.M.); (K.N.)
| | - Chrysovalanto Staneloudi
- Laboratory of Exercise Physiology and Biochemistry, Department of Physical Education and Sport Science at Serres, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Konstantinos Nikolettos
- Laboratory of Physiology, Faculty of Medicine, School of Health Sciences, Democritus University of Thrace, 69100 Alexandroupolis, Greece; (C.M.); (K.N.)
| | - Byron Asimakopoulos
- Laboratory of Physiology, Faculty of Medicine, School of Health Sciences, Democritus University of Thrace, 69100 Alexandroupolis, Greece; (C.M.); (K.N.)
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33
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Trigo CM, Rodrigues JS, Camões SP, Solá S, Miranda JP. Mesenchymal stem cell secretome for regenerative medicine: Where do we stand? J Adv Res 2024:S2090-1232(24)00181-4. [PMID: 38729561 DOI: 10.1016/j.jare.2024.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 02/27/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Mesenchymal stem cell (MSC)-based therapies have yielded beneficial effects in a broad range of preclinical models and clinical trials for human diseases. In the context of MSC transplantation, it is widely recognized that the main mechanism for the regenerative potential of MSCs is not their differentiation, with in vivo data revealing transient and low engraftment rates. Instead, MSCs therapeutic effects are mainly attributed to its secretome, i.e., paracrine factors secreted by these cells, further offering a more attractive and innovative approach due to the effectiveness and safety of a cell-free product. AIM OF REVIEW In this review, we will discuss the potential benefits of MSC-derived secretome in regenerative medicine with particular focus on respiratory, hepatic, and neurological diseases. Both free and vesicular factors of MSC secretome will be detailed. We will also address novel potential strategies capable of improving their healing potential, namely by delivering important regenerative molecules according to specific diseases and tissue needs, as well as non-clinical and clinical studies that allow us to dissect their mechanisms of action. KEY SCIENTIFIC CONCEPTS OF REVIEW MSC-derived secretome includes both soluble and non-soluble factors, organized in extracellular vesicles (EVs). Importantly, besides depending on the cell origin, the characteristics and therapeutic potential of MSC secretome is deeply influenced by external stimuli, highlighting the possibility of optimizing their characteristics through preconditioning approaches. Nevertheless, the clarity around their mechanisms of action remains ambiguous, whereas the need for standardized procedures for the successful translation of those products to the clinics urges.
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Affiliation(s)
- Catarina M Trigo
- Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Joana S Rodrigues
- Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Sérgio P Camões
- Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Susana Solá
- Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Joana P Miranda
- Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal.
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Li Y, Yang B, Wang Y, Huang Z, Wang J, Pu X, Wen J, Ao Q, Xiao K, Wu J, Yin G. Postoperatively Noninvasive Optogenetic Stimulation via Upconversion Nanoparticles Enhancing Sciatic Nerve Repair. NANO LETTERS 2024; 24:5403-5412. [PMID: 38669639 DOI: 10.1021/acs.nanolett.3c04619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/28/2024]
Abstract
The efficacy of electrical stimulation facilitating peripheral nerve regeneration is evidenced extensively, while the associated secondary damage resulting from repeated electrode invasion and indiscriminate stimulation is inevitable. Here, we present an optogenetics strategy that utilizes upconversion nanoparticles (UCNPs) to convert deeply penetrating near-infrared excitation into blue emission, which activates an adeno-associated virus-encoding ChR2 photoresponsive ion channel on cell membranes. The induced Ca2+ flux, similar to the ion flux in the electrical stimulation approach, efficiently regulates viability and proliferation, secretion of nerve growth factor, and neural function of RSC96 cells. Furthermore, deep near-infrared excitation is harnessed to stimulate autologous Schwann cells in situ via a UCNP-composited scaffold, which enhances nerve sprouting and myelination, consequently promoting functional recovery, electrophysiological restoration, and reinnervation of damaged nerves. This developed postoperatively noninvasive optogenetics strategy presents a novel, minimally traumatic, and enduring therapeutic stimulus to effectively promote peripheral nerve repair.
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Affiliation(s)
- Ya Li
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
- Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu 610065, China
| | - Bing Yang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
- Precision Medicine Research Center of West China Hospital, Sichuan University, Chengdu 610093, China
| | - Yulin Wang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
- Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu 610065, China
| | - Zhongbing Huang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
| | - Juan Wang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
| | - Ximing Pu
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
| | - Jirui Wen
- Department of Otolaryngology Head and Neck Surgery/Deep Underground Space Medical Center West China Hospital, Sichuan University, No. 37 Guoxuexiang, Chengdu 610041, China
| | - Qiang Ao
- Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu 610065, China
| | - Kai Xiao
- Precision Medicine Research Center of West China Hospital, Sichuan University, Chengdu 610093, China
| | - Jiang Wu
- Department of Otolaryngology Head and Neck Surgery/Deep Underground Space Medical Center West China Hospital, Sichuan University, No. 37 Guoxuexiang, Chengdu 610041, China
| | - Guangfu Yin
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
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35
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Song J. BDNF Signaling in Vascular Dementia and Its Effects on Cerebrovascular Dysfunction, Synaptic Plasticity, and Cholinergic System Abnormality. J Lipid Atheroscler 2024; 13:122-138. [PMID: 38826183 PMCID: PMC11140249 DOI: 10.12997/jla.2024.13.2.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/29/2023] [Accepted: 12/19/2023] [Indexed: 06/04/2024] Open
Abstract
Vascular dementia (VaD) is the second most common type of dementia and is characterized by memory impairment, blood-brain barrier disruption, neuronal cell loss, glia activation, impaired synaptic plasticity, and cholinergic system abnormalities. To effectively prevent and treat VaD a good understanding of the mechanisms underlying its neuropathology is needed. Brain-derived neurotrophic factor (BDNF) is an important neurotrophic factor with multiple functions in the systemic circulation and the central nervous system and is known to regulate neuronal cell survival, synaptic formation, glia activation, and cognitive decline. Recent studies indicate that when compared with normal subjects, patients with VaD have low serum BDNF levels and that BDNF deficiency in the serum and cerebrospinal fluid is an important indicator of VaD. Here, we review current knowledge on the role of BDNF signaling in the pathology of VaD, such as cerebrovascular dysfunction, synaptic dysfunction, and cholinergic system impairment.
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Affiliation(s)
- Juhyun Song
- Department of Anatomy, Chonnam National University Medical School, Hwasun, Korea
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36
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Cristofori I, Cohen-Zimerman S, Krueger F, Jabbarinejad R, Delikishkina E, Gordon B, Beuriat PA, Grafman J. Studying the social mind: An updated summary of findings from the Vietnam Head Injury Study. Cortex 2024; 174:164-188. [PMID: 38552358 DOI: 10.1016/j.cortex.2024.03.002] [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: 05/31/2023] [Revised: 01/26/2024] [Accepted: 03/01/2024] [Indexed: 04/21/2024]
Abstract
Lesion mapping studies allow us to evaluate the potential causal contribution of specific brain areas to human cognition and complement other cognitive neuroscience methods, as several authors have recently pointed out. Here, we present an updated summary of the findings from the Vietnam Head Injury Study (VHIS) focusing on the studies conducted over the last decade, that examined the social mind and its intricate neural and cognitive underpinnings. The VHIS is a prospective, long-term follow-up study of Vietnam veterans with penetrating traumatic brain injury (pTBI) and healthy controls (HC). The scope of the work is to present the studies from the latest phases (3 and 4) of the VHIS, 70 studies since 2011, when the Raymont et al. paper was published (Raymont et al., 2011). These studies have contributed to our understanding of human social cognition, including political and religious beliefs, theory of mind, but also executive functions, intelligence, and personality. This work finally discusses the usefulness of lesion mapping as an approach to understanding the functions of the human brain from basic science and clinical perspectives.
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Affiliation(s)
- Irene Cristofori
- Institute of Cognitive Sciences Marc Jeannerod CNRS, UMR 5229, Bron, France; University of Lyon, Villeurbanne, France.
| | - Shira Cohen-Zimerman
- Cognitive Neuroscience Laboratory, Brain Injury Research, Shirley Ryan AbilityLab, Chicago, IL, USA; Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, USA.
| | - Frank Krueger
- School of Systems Biology, George Mason University, Manassas, VA, USA; Department of Psychology, George Mason University, Fairfax, VA, USA.
| | - Roxana Jabbarinejad
- Cognitive Neuroscience Laboratory, Brain Injury Research, Shirley Ryan AbilityLab, Chicago, IL, USA.
| | - Ekaterina Delikishkina
- Cognitive Neuroscience Laboratory, Brain Injury Research, Shirley Ryan AbilityLab, Chicago, IL, USA; Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, USA.
| | - Barry Gordon
- Cognitive Neurology/Neuropsychology Division, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Cognitive Science, Johns Hopkins University, Baltimore, MD USA.
| | - Pierre-Aurélien Beuriat
- Institute of Cognitive Sciences Marc Jeannerod CNRS, UMR 5229, Bron, France; University of Lyon, Villeurbanne, France; Department of Pediatric Neurosurgery, Hôpital Femme Mère Enfant, Bron, France.
| | - Jordan Grafman
- Cognitive Neuroscience Laboratory, Brain Injury Research, Shirley Ryan AbilityLab, Chicago, IL, USA; Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, USA; Departments of Neurology, Psychiatry, and Cognitive Neurology & Alzheimer's Disease, Feinberg School of Medicine, Chicago, IL, USA; Department of Psychology, Northwestern University, Chicago, IL, USA.
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Brandenburg JE, Fogarty MJ, Zhan WZ, Kopper LA, Sieck GC. Postnatal survival of phrenic motor neurons is promoted by BDNF/TrkB.FL signaling. J Appl Physiol (1985) 2024; 136:1113-1121. [PMID: 38511211 DOI: 10.1152/japplphysiol.00911.2023] [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: 12/22/2023] [Revised: 03/13/2024] [Accepted: 03/14/2024] [Indexed: 03/22/2024] Open
Abstract
The number of motor neurons (MNs) declines precipitously during the final trimester before birth. Thereafter, the number of MNs remains relatively stable, with their connections to skeletal muscle dependent on neurotrophins, including brain-derived neurotrophic factor (BDNF) signaling through its high-affinity full-length tropomyosin-related kinase receptor subtype B (TrkB.FL) receptor. As a genetic knockout of BDNF leads to extensive MN loss and postnatal death within 1-2 days after birth, we tested the hypothesis that postnatal inhibition of BDNF/TrkB.FL signaling is important for postnatal phrenic MN (PhMN) survival. In the present study, we used a 1NMPP1-sensitive TrkBF616A mutant mouse to evaluate the effects of inhibition of TrkB kinase activity on phrenic MN (PhMN) numbers and diaphragm muscle (DIAm) fiber cross-sectional area (CSA). Pups were exposed to 1NMPP1 or vehicle (DMSO) from birth to 21 days old (weaning) via the mother's ingestion in the drinking water. Following weaning, the right phrenic nerve was exposed in the neck and the proximal end dipped in a rhodamine solution to retrogradely label PhMNs. After 24 h, the cervical spinal cord and DIAm were excised. Labeled PhMNs were imaged using confocal microscopy, whereas DIAm strips were frozen at ∼1.5× resting length, cryosectioned, and stained with hematoxylin and eosin to assess CSA. We observed an ∼34% reduction in PhMN numbers and increased primary dendrite numbers in 1NMPP1-treated TrkBF616A mice. The distribution of PhMN size (somal surface area) DIAm fiber cross-sectional areas did not differ. We conclude that survival of PhMNs during early postnatal development is sensitive to BDNF/TrkB.FL signaling.NEW & NOTEWORTHY During early postnatal development, BDNF/TrkB signaling promotes PhMN survival. Inhibition of BDNF/TrkB signaling in early postnatal development does not impact PhMN size. Inhibition of BDNF/TrkB signaling in early postnatal development does not impact the number or CSA of DIAm fibers.
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Affiliation(s)
- Joline E Brandenburg
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, United States
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, United States
| | - Matthew J Fogarty
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Wen-Zhi Zhan
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Leo A Kopper
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Gary C Sieck
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
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38
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Fujimura M, Unoki T. BDNF specifically expressed in hippocampal neurons is involved in methylmercury neurotoxicity resistance. ENVIRONMENTAL TOXICOLOGY 2024; 39:3149-3159. [PMID: 38323385 DOI: 10.1002/tox.24174] [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: 12/03/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 02/08/2024]
Abstract
Methylmercury (MeHg) causes selective neuronal damage to cerebrocortical neurons (CCNs) in the central nervous system, but not to hippocampal neurons (HiNs), which are highly vulnerable to neurodegenerative diseases. In our previous study using cultured rat neurons, we performed a comprehensive gene expression analysis and found that the brain-derived neurotrophic factor (BDNF), a neurotrophin (NT), was specifically expressed in HiNs. Therefore, to elucidate the causal factors of MeHg toxicity resistance in HiNs, we conducted a comparative study of the protein expression and function of several NTs, including BDNF, using CCNs showing vulnerability to MeHg toxicity and HiNs showing resistance. BDNF was specifically expressed in HiNs, whereas nerve growth factor was barely detectable in either neuron type. In addition, other NTs, NT3 and NT4/5, were expressed in small but nearly equal amounts in both neuron types. Furthermore, among the various pathways involved in MeHg neurotoxicity, the p44/42 MAPK pathway was specifically activated in HiNs, even without MeHg treatment. siRNAs were used to reduce NTs in both neuron types. Only a specific reduction in BDNF attenuated the resistance to MeHg toxicity and p44/42 MAPK activation in HiNs. In addition, the external addition of BDNF and NT4/5, which act on the same tyrosine receptor kinase (Trk), TrkB, suppressed MeHg neurotoxicity in both neuron types. These results suggest that BDNF, expressed specifically in HiNs, is involved in the resistance to MeHg neurotoxicity via TrkB. Additionally, the activation of the p44/42 MAPK pathway may contribute to the inhibitory effect of BDNF on MeHg neurotoxicity.
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Affiliation(s)
- Masatake Fujimura
- Department of Basic Medical Science, National Institute for Minamata Disease, Kumamoto, Japan
| | - Takamitsu Unoki
- Department of Basic Medical Science, National Institute for Minamata Disease, Kumamoto, Japan
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Xu S, Zhou Y, Wang S, Li Q, Feng Y, Chen L, Duan K. Perioperative intravenous infusion of dexmedetomidine for alleviating postpartum depression after cesarean section: A meta-analysis and systematic review. Eur J Obstet Gynecol Reprod Biol 2024; 296:333-341. [PMID: 38531179 DOI: 10.1016/j.ejogrb.2024.03.024] [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: 11/26/2023] [Revised: 03/11/2024] [Accepted: 03/18/2024] [Indexed: 03/28/2024]
Abstract
The efficacy of perioperative dexmedetomidine (DEX) infusion as a precaution against postpartum depression (PPD) in women undergoing cesarean section has not been substantiated systematically. A literature search for RCTs on DEX against PPD was retrieved in the following databases from inception to January 3, 2024: PubMed, Embase, Web of Science, the Cochrane Library, CNKI, Wanfang, CBM, VIP, etc. A total of 13 RCTs with 1711 participants were included. Meta-analysis was performed by RevMan5.3 and Stata16 using a random-effects model. EPDS scores were significantly decreased in the DEX group within one week or over one week postpartum compared to the control group (SMD = -1.25, 95 %CI: -1.73 to -0.77; SMD = -1.08, 95 %CI: -1.43 to -0.73). The prevalence of PPD was significantly inferior to the control at both time points (RR = 0.36, 95 %CI: 0.24 to 0.54; RR = 0.39, 95 %CI: 0.26 to 0.57). Univariate meta-regression suggested that age influenced the heterogeneity of the EPDS scores (P = 0.039), and DEX infusion dose was a potential moderator (P = 0.074). The subgroup analysis results of PPD scores at both time points were consistent, showing that: ① Mothers younger than 30 years old had better sensitivity to DEX for treating PPD. ② The anti-PPD efficacy of continuous infusion of DEX by PCIA was superior to both single infusion and combined infusion. ③ DEX showed a better anti-PPD effect when the total infusion dose was ≤ 2 μg/kg. Moreover, DEX improved analgesia and sleep quality, provided appropriate sedation, and reduced the incidence of nausea, vomiting, and chills. The current evidence confirmed the prophylaxis and superiority of DEX for PPD. More high-quality, large-scale RCTs are required for verifying the reliability and formulating administration methods.
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Affiliation(s)
- Shouyu Xu
- Department of Anesthesiology, Third Xiangya Hospital of Central South University, Changsha, China
| | - Yingyong Zhou
- Department of Anesthesiology, Third Xiangya Hospital of Central South University, Changsha, China
| | - Saiying Wang
- Department of Anesthesiology, Third Xiangya Hospital of Central South University, Changsha, China
| | - Qiuwen Li
- Department of Anesthesiology, Third Xiangya Hospital of Central South University, Changsha, China
| | - Yunfei Feng
- Department of Anesthesiology, Third Xiangya Hospital of Central South University, Changsha, China
| | - Liang Chen
- Department of Anesthesiology, The Maternal and Child Health Hospital of the Hu Nan Province, Changsha, China.
| | - Kaiming Duan
- Department of Anesthesiology, Third Xiangya Hospital of Central South University, Changsha, China.
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Tomasello B, Bellia F, Naletova I, Magrì A, Tabbì G, Attanasio F, Tomasello MF, Cairns WRL, Fortino M, Pietropaolo A, Greco V, La Mendola D, Sciuto S, Arena G, Rizzarelli E. BDNF- and VEGF-Responsive Stimulus to an NGF Mimic Cyclic Peptide with Copper Ionophore Capability and Ctr1/CCS-Driven Signaling. ACS Chem Neurosci 2024; 15:1755-1769. [PMID: 38602894 DOI: 10.1021/acschemneuro.3c00716] [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] [Indexed: 04/13/2024] Open
Abstract
Neurotrophins are a family of growth factors that play a key role in the development and regulation of the functioning of the central nervous system. Their use as drugs is made difficult by their poor stability, cellular permeability, and side effects. Continuing our effort to use peptides that mimic the neurotrophic growth factor (NGF), the family model protein, and specifically the N-terminus of the protein, here we report on the spectroscopic characterization and resistance to hydrolysis of the 14-membered cyclic peptide reproducing the N-terminus sequence (SSSHPIFHRGEFSV (c-NGF(1-14)). Far-UV CD spectra and a computational study show that this peptide has a rigid conformation and left-handed chirality typical of polyproline II that favors its interaction with the D5 domain of the NGF receptor TrkA. c-NGF(1-14) is able to bind Cu2+ with good affinity; the resulting complexes have been characterized by potentiometric and spectroscopic measurements. Experiments on PC12 cells show that c-NGF(1-14) acts as an ionophore, influencing the degree and the localization of both the membrane transporter (Ctr1) and the copper intracellular transporter (CCS). c-NGF(1-14) induces PC12 differentiation, mimics the protein in TrkA phosphorylation, and activates the kinase cascade, inducing Erk1/2 phosphorylation. c-NGF(1-14) biological activities are enhanced when the peptide interacts with Cu2+ even with the submicromolar quantities present in the culture media as demonstrated by ICP-OES measurements. Finally, c-NGF(1-14) and Cu2+ concur to activate the cAMP response element-binding protein CREB that, in turn, induces the brain-derived neurotrophic factor (BDNF) and the vascular endothelial growth factor (VEGF) release.
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Affiliation(s)
- Barbara Tomasello
- Department of Drug and Health Sciences, University of Catania, V.le Andrea Doria 6, Catania 95125, Italy
| | - Francesco Bellia
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
| | - Irina Naletova
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
| | - Antonio Magrì
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
| | - Giovanni Tabbì
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
| | | | | | - Warren R L Cairns
- Istituto di Scienze Polari (ISP), c/o Campus Scientifico, Università Ca' Foscari Venezia Via Torino, Venezia Mestre 155-30170, Italy
| | - Mariagrazia Fortino
- Dipartimento di Scienze della Salute, Università di Catanzaro, Viale Europa, Catanzaro 88100, Italy
| | - Adriana Pietropaolo
- Dipartimento di Scienze della Salute, Università di Catanzaro, Viale Europa, Catanzaro 88100, Italy
| | - Valentina Greco
- Department of Chemical Sciences, University of Catania, A. Doria 6, Catania 95125, Italy
| | - Diego La Mendola
- Department of Pharmaceutical Sciences, University of Pisa, Bonanno Pisano 12, Pisa 56126, Italy
| | - Sebastiano Sciuto
- Department of Chemical Sciences, University of Catania, A. Doria 6, Catania 95125, Italy
| | - Giuseppe Arena
- Department of Chemical Sciences, University of Catania, A. Doria 6, Catania 95125, Italy
| | - Enrico Rizzarelli
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
- Department of Chemical Sciences, University of Catania, A. Doria 6, Catania 95125, Italy
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Chermon D, Birk R. Brain-derived neurotrophic factor gene rs925946 associates with Israeli females' obesity predisposition: An interaction between genetics, eating habits, and physical inactivity. Nutr Res 2024; 125:61-68. [PMID: 38503023 DOI: 10.1016/j.nutres.2024.02.005] [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: 07/02/2023] [Revised: 02/19/2024] [Accepted: 02/19/2024] [Indexed: 03/21/2024]
Abstract
The global obesity pandemic presents a pressing health challenge, with an increasing prevalence shaped by an intricate interplay of genetics and environment. Brain-derived neurotrophic factor (BDNF) plays a pivotal role in regulating feeding behavior and energy expenditure. BDNF single nucleotide polymorphisms have been linked to obesity risk. We hypothesized that BDNF rs925946 is positively associated with obesity susceptibility in the Israeli population. We aimed to study BDNF rs925946 association with obesity susceptibility and its interaction with environmental factors, including eating habits, sugar-sweetened beverages, and physical activity. A data cohort of 4668 Israeli adults (≥18 years, Jewish) was analyzed. Participants' genotypic data for the BDNF rs925946 and lifestyle and eating behavior questionnaire data were analyzed for the association between obesity predisposition and gene-environment interactions. Female (n = 3259) BDNF rs925946 T-allele carriers had an elevated obesity odd (odds ratio [OR] = 1.2; 95% confidence interval [CI], 1.03-1.4, P = .02). BDNF rs925946 genotype interacted significantly with physical inactivity, sugar-sweetened beverage consumption, and eating habits score to enhance obesity odds (OR = 1.4; 95% CI, 1.14-1.7; OR = 1.54, 95% CI, 1.1-2.15; and OR = 1.4; 95% CI, 1.2-2.11, respectively). Our data demonstrated a significant association between BDNF rs925946 T-allele female carriers and a higher obesity predisposition, affected by modifiable lifestyle factors.
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Affiliation(s)
- Danyel Chermon
- Nutrition Department, Health Sciences Faculty, Ariel University, 407000, Israel
| | - Ruth Birk
- Nutrition Department, Health Sciences Faculty, Ariel University, 407000, Israel.
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Muhanna M, Lund I, Bromberg M, Wicks P, Benatar M, Barnes B, Pierce K, Ratner D, Brown A, Bertorini T, Barkhaus P, Carter G, Mascias Cadavid J, McDermott C, Glass JD, Pattee G, Armon C, Bedlack R, Li X. ALSUntangled #73: Lion's Mane. Amyotroph Lateral Scler Frontotemporal Degener 2024; 25:420-423. [PMID: 38141002 DOI: 10.1080/21678421.2023.2296557] [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: 10/10/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023]
Abstract
Lion's Mane (Hericium erinaceus) has historically been used as traditional medicine in Asia and Europe for its potential benefits in fighting infection and cancer. It has gained interest in the neurodegenerative disease field because of its mechanisms of action; these include anti-inflammation, neuroprotection, and promoting neurite growth demonstrated in various cell and animal models. A very small, double-blind, placebo-controlled trial in patients with mild cognitive impairment showed a temporary improvement in cognitive function; this finding has yet to be replicated. However, there have been no studies in ALS cell or animal models or in humans with ALS. Lion's Mane appears safe and inexpensive when consumed in powder or capsule, but one anaphylactic case was reported after a patient consumed fresh Lion's Mane mushroom. Currently, we do not have enough information to support the use of Lion's Mane for treating ALS. We support further research in ALS disease models and clinical trials to study its efficacy.
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Affiliation(s)
- Maya Muhanna
- Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Issac Lund
- Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Mark Bromberg
- Department of Neurology, University of Utah, Salt Lake City, UT, USA
| | | | - Michael Benatar
- Department of Neurology, University of Miami, Miami, FL, USA
| | - Benjamin Barnes
- Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Kaitlyn Pierce
- Neuroscience Center, University of North Carolina, Chapel Hill, NC, USA
| | | | - Andrew Brown
- Department of Neurology, University of Miami, Miami, FL, USA
| | - Tulio Bertorini
- Department of Neurology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Paul Barkhaus
- Department of Neurology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Greg Carter
- Department of Rehabilitation, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, USA
| | | | - Christopher McDermott
- Sheffield Institute of Translational Neuroscience, University of Sheffield, Sheffield, UK
| | | | - Gary Pattee
- Department of Neurology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Carmel Armon
- Department of Neurology, Shamir Medical Center, Tzrifin, Israel, and
| | | | - Xiaoyan Li
- Department of Neurology, Duke University, Durham, NC, USA
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Rommelspacher H, Bera S, Brommer B, Ward R, Kwiatkowska M, Zygmunt T, Theden F, Üsekes B, Eren N, Nieratschker M, Arnoldner C, Plontke SK, Hellmann-Regen J, Schlingensiepen R. A single dose of AC102 restores hearing in a guinea pig model of noise-induced hearing loss to almost prenoise levels. Proc Natl Acad Sci U S A 2024; 121:e2314763121. [PMID: 38557194 PMCID: PMC11009624 DOI: 10.1073/pnas.2314763121] [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: 09/01/2023] [Accepted: 01/29/2024] [Indexed: 04/04/2024] Open
Abstract
Although sudden sensorineural hearing loss (SSNHL) is a serious condition, there are currently no approved drugs for its treatment. Nevertheless, there is a growing understanding that the cochlear pathologies that underlie SSNHL include apoptotic death of sensory outer hair cells (OHCs) as well as loss of ribbon synapses connecting sensory inner hair cells (IHCs) and neurites of the auditory nerve, designated synaptopathy. Noise-induced hearing loss (NIHL) is a common subtype of SSNHL and is widely used to model hearing loss preclinically. Here, we demonstrate that a single interventive application of a small pyridoindole molecule (AC102) into the middle ear restored auditory function almost to prenoise levels in a guinea pig model of NIHL. AC102 prevented noise-triggered loss of OHCs and reduced IHC synaptopathy suggesting a role of AC102 in reconnecting auditory neurons to their sensory target cells. Notably, AC102 exerted its therapeutic properties over a wide frequency range. Such strong improvements in hearing have not previously been demonstrated for other therapeutic agents. In vitro experiments of a neuronal damage model revealed that AC102 protected cells from apoptosis and promoted neurite growth. These effects may be explained by increased production of adenosine triphosphate, indicating improved mitochondrial function, and reduced levels of reactive-oxygen species which prevents the apoptotic processes responsible for OHC death. This action profile of AC102 might be causal for the observed hearing recovery in in vivo models.
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Affiliation(s)
| | - Sujoy Bera
- AudioCure Pharma GmbH, Berlin10115, Germany
| | | | | | | | | | | | - Berk Üsekes
- AudioCure Pharma GmbH, Berlin10115, Germany
- Department of Psychiatry and Psychotherapy, Section Clinical Neurobiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Campus Benjamin Franklin, Berlin12203, Germany
| | - Neriman Eren
- AudioCure Pharma GmbH, Berlin10115, Germany
- Department of Psychiatry and Psychotherapy, Section Clinical Neurobiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Campus Benjamin Franklin, Berlin12203, Germany
| | - Michael Nieratschker
- Department of Otorhinolaryngology, Head and Neck Surgery, Vienna General Hospital, Medical University of Vienna, Vienna1090, Austria
| | - Christoph Arnoldner
- Department of Otorhinolaryngology, Head and Neck Surgery, Vienna General Hospital, Medical University of Vienna, Vienna1090, Austria
| | - Stefan K. Plontke
- Department of Otorhinolaryngology, Head and Neck Surgery, Martin Luther University Halle-Wittenberg, Halle06120, Germany
| | - Julian Hellmann-Regen
- Department of Psychiatry and Psychotherapy, Section Clinical Neurobiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Campus Benjamin Franklin, Berlin12203, Germany
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Primak A, Bozov K, Rubina K, Dzhauari S, Neyfeld E, Illarionova M, Semina E, Sheleg D, Tkachuk V, Karagyaur M. Morphogenetic theory of mental and cognitive disorders: the role of neurotrophic and guidance molecules. Front Mol Neurosci 2024; 17:1361764. [PMID: 38646100 PMCID: PMC11027769 DOI: 10.3389/fnmol.2024.1361764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 03/04/2024] [Indexed: 04/23/2024] Open
Abstract
Mental illness and cognitive disorders represent a serious problem for the modern society. Many studies indicate that mental disorders are polygenic and that impaired brain development may lay the ground for their manifestation. Neural tissue development is a complex and multistage process that involves a large number of distant and contact molecules. In this review, we have considered the key steps of brain morphogenesis, and the major molecule families involved in these process. The review provides many indications of the important contribution of the brain development process and correct functioning of certain genes to human mental health. To our knowledge, this comprehensive review is one of the first in this field. We suppose that this review may be useful to novice researchers and clinicians wishing to navigate the field.
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Affiliation(s)
- Alexandra Primak
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Kirill Bozov
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Kseniya Rubina
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Stalik Dzhauari
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Elena Neyfeld
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
- Federal State Budgetary Educational Institution of the Higher Education “A.I. Yevdokimov Moscow State University of Medicine and Dentistry” of the Ministry of Healthcare of the Russian Federation, Moscow, Russia
| | - Maria Illarionova
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Ekaterina Semina
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Dmitriy Sheleg
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
- Federal State Budgetary Educational Institution of the Higher Education “A.I. Yevdokimov Moscow State University of Medicine and Dentistry” of the Ministry of Healthcare of the Russian Federation, Moscow, Russia
| | - Vsevolod Tkachuk
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russia
| | - Maxim Karagyaur
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russia
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45
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Park H, Lee CH. The contribution of the nervous system in the cancer progression. BMB Rep 2024; 57:167-175. [PMID: 38523371 PMCID: PMC11058356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/09/2024] [Accepted: 03/19/2024] [Indexed: 03/26/2024] Open
Abstract
Cancer progression is driven by genetic mutations, environmental factors, and intricate interactions within the tumor microenvironment (TME). The TME comprises of diverse cell types, such as cancer cells, immune cells, stromal cells, and neuronal cells. These cells mutually influence each other through various factors, including cytokines, vascular perfusion, and matrix stiffness. In the initial or developmental stage of cancer, neurotrophic factors such as nerve growth factor, brain-derived neurotrophic factor, and glial cell line-derived neurotrophic factor are associated with poor prognosis of various cancers by communicating with cancer cells, immune cells, and peripheral nerves within the TME. Over the past decade, research has been conducted to prevent cancer growth by controlling the activation of neurotrophic factors within tumors, exhibiting a novel attemt in cancer treatment with promising results. More recently, research focusing on controlling cancer growth through regulation of the autonomic nervous system, including the sympathetic and parasympathetic nervous systems, has gained significant attention. Sympathetic signaling predominantly promotes tumor progression, while the role of parasympathetic signaling varies among different cancer types. Neurotransmitters released from these signalings can directly or indirectly affect tumor cells or immune cells within the TME. Additionally, sensory nerve significantly promotes cancer progression. In the advanced stage of cancer, cancer-associated cachexia occurs, characterized by tissue wasting and reduced quality of life. This process involves the pathways via brainstem growth and differentiation factor 15-glial cell line-derived neurotrophic factor receptor alpha-like signaling and hypothalamic proopiomelanocortin neurons. Our review highlights the critical role of neurotrophic factors as well as central nervous system on the progression of cancer, offering promising avenues for targeted therapeutic strategies. [BMB Reports 2024; 57(4): 167-175].
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Affiliation(s)
- Hongryeol Park
- Department of Tissue Morphogenesis, Max-Planck Institute for Molecular Biomedicine, Muenster D-48149, Germany, Chuncheon 24252, Korea
| | - Chan Hee Lee
- Department of Biomedical Science, Hallym University, Chuncheon 24252, Korea
- Program of Material Science for Medicine and Pharmaceutics, Hallym University, Chuncheon 24252, Korea
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da Silva BR, de Melo Reis RA, Ribeiro-Resende VT. A Comparative Investigation of Axon-Blood Vessel Growth Interaction in the Regenerating Sciatic and Optic Nerves in Adult Mice. Mol Neurobiol 2024; 61:2215-2227. [PMID: 37864766 DOI: 10.1007/s12035-023-03705-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 10/10/2023] [Indexed: 10/23/2023]
Abstract
The vascular and the nervous systems share similarities in addition to their complex role in providing oxygen and nutrients to all cells. Both are highly branched networks that frequently grow close to one another during development. Vascular patterning and neural wiring share families of guidance cues and receptors. Most recently, this relationship has been investigated in terms of peripheral nervous system (PNS) regeneration, where nerves and blood vessels often run in parallel so endothelial cells guide the formation of the Büngner bands which support axonal regeneration. Here, we characterized the vascular response in regenerative models of the central and peripheral nervous system. After sciatic nerve crush, followed by axon regeneration, there was a significant increase in the blood vessel density 7 days after injury. In addition, the optic nerve crush model was used to evaluate intrinsic regenerative potential activated with a combined treatment that stimulated retinal ganglion cells (RGCs) regrowth. We observed that a 2-fold change in the total number of blood vessels occurred 7 days after optic nerve crush compared to the uncrushed nerve. The difference increased up to a 2.7-fold change 2 weeks after the crush. Interestingly, we did not observe differences in the total number of blood vessels 2 weeks after crush, compared to animals that had received combined treatment for regeneration and controls. Therefore, the vascular characterization showed that the increase in vascular density was not related to the efficiency of both peripheral and central axonal regeneration.
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Affiliation(s)
- Barbara Rangel da Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Ricardo A de Melo Reis
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Victor Túlio Ribeiro-Resende
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil.
- Núcleo Multidisciplinar de Pesquisa em Biologia (Numpex-Bio), Campus de Duque de Caxias Geraldo Cidade, Universidade Federal do Rio de Janeiro, Duque de Caxias, Brazil.
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Iliev P, Jaworski C, Wängler C, Wängler B, Page BDG, Schirrmacher R, Bailey JJ. Type II & III inhibitors of tropomyosin receptor kinase (Trk): a 2020-2022 patent update. Expert Opin Ther Pat 2024; 34:231-244. [PMID: 38785069 DOI: 10.1080/13543776.2024.2358818] [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: 10/16/2023] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
INTRODUCTION The Trk family proteins are membrane-bound kinases predominantly expressed in neuronal tissues. Activated by neurotrophins, they regulate critical cellular processes through downstream signaling pathways. Dysregulation of Trk signaling can drive a range of diseases, making the design and study of Trk inhibitors a vital area of research. This review explores recent advances in the development of type II and III Trk inhibitors, with implications for various therapeutic applications. AREAS COVERED Patents covering type II and III inhibitors targeting the Trk family are discussed as a complement of the previous review, Type I inhibitors of tropomyosin receptor kinase (Trk): a 2020-2022 patent update. Relevant patents were identified using the Web of Science database, Google, and Google Patents. EXPERT OPINION While type II and III Trk inhibitor development has advanced more gradually compared to their type I counterparts, they hold significant promise in overcoming resistance mutations and achieving enhanced subtype selectivity - a critical factor in reducing adverse effects associated with pan-Trk inhibition. Recent interdisciplinary endeavors have marked substantial progress in the design of subtype selective Trk inhibitors, with impressive success heralded by the type III inhibitors. Notably, the emergence of mutant-selective Trk inhibitors introduces an intriguing dimension to the field, offering precise treatment possibilities.
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Affiliation(s)
- Petar Iliev
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, Canada
| | | | - Carmen Wängler
- Biomedical Chemistry, Department of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
| | - Björn Wängler
- Molecular Imaging and Radiochemistry, Department of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
| | - Brent D G Page
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, Canada
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Makoudjou MA, Fico E, Rosso P, Triaca V, De Simone L, Rossetti D, Cattani F, Allegretti M, Tirassa P. ProNGF processing in adult rat tissues and bioactivity of NGF prodomain peptides. FEBS Open Bio 2024; 14:643-654. [PMID: 38429912 PMCID: PMC10988682 DOI: 10.1002/2211-5463.13768] [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: 10/03/2023] [Revised: 11/23/2023] [Accepted: 01/11/2024] [Indexed: 03/03/2024] Open
Abstract
The neurotrophin nerve growth factor (NGF) and its precursor proNGF are both bioactive and exert similar or opposite actions depending on the cell target and its milieu. The balance between NGF and proNGF is crucial for cell and tissue homeostasis and it is considered an indicator of pathological conditions. Proteolytical cleavage of proNGF to the mature form results in different fragments, whose function and/or bioactivity is still unclear. The present study was conducted to investigate the distribution of proNGF fragments derived from endogenous cleavage in brain and peripheral tissues of adult rats in the healthy condition and following inflammatory lipopolysaccharide (LPS) challenge. Different anti-proNGF antibodies were tested and the presence of short peptides corresponding to the prodomain sequence (pdNGFpep) was identified. Processing of proNGF was found to be tissue-specific and accumulation of pdNGFpeps was found in inflamed tissues, mainly in testis, intestine and heart, suggesting a possible correlation between organ functions and a response to insults and/or injury. The bioactivity of pdNGFpep was also demonstrated in vitro by using primary hippocampal neurons. Our study supports a biological function for the NGF precursor prodomain and indicates that short peptides from residues 1-60, differing from the 70-110 sequence, induce apoptosis, thereby opening the way for identification of new molecular targets to study pathological conditions.
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Affiliation(s)
- Marie Anne Makoudjou
- Cellular and Molecular Biology, Department of BiologyUniversity of Rome “Tor Vergata”RomeItaly
- Institute of Biochemistry and Cell Biology (IBBC)National Research Council (CNR)RomeItaly
| | - Elena Fico
- Institute of Biochemistry and Cell Biology (IBBC)National Research Council (CNR)RomeItaly
| | - Pamela Rosso
- Institute of Biochemistry and Cell Biology (IBBC)National Research Council (CNR)RomeItaly
| | - Viviana Triaca
- Institute of Biochemistry and Cell Biology (IBBC)National Research Council (CNR)Campus A. Buzzati‐Traverso, MonterotondoRomeItaly
| | | | | | | | | | - Paola Tirassa
- Institute of Biochemistry and Cell Biology (IBBC)National Research Council (CNR)RomeItaly
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Hager M, Chang P, Lee M, Burns CM, Endicott SJ, Miller RA, Li X. Recapitulation of anti-aging phenotypes by global overexpression of PTEN in mice. GeroScience 2024; 46:2653-2670. [PMID: 38114855 PMCID: PMC10828233 DOI: 10.1007/s11357-023-01025-8] [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: 09/25/2023] [Accepted: 11/20/2023] [Indexed: 12/21/2023] Open
Abstract
The PTEN gene negatively regulates the oncogenic PI3K-AKT pathway by encoding a lipid and protein phosphatase that dephosphorylates lipid phosphatidylinositol-3,4,5-triphosphate (PIP3) resulting in the inhibition of PI3K and downstream inhibition of AKT. Overexpression of PTEN in mice leads to a longer lifespan compared to control littermates, although the mechanism is unknown. Here, we provide evidence that young adult PTENOE mice exhibit many characteristics shared by other slow-aging mouse models, including those with mutations that affect GH/IGF1 pathways, calorie-restricted mice, and mice treated with anti-aging drugs. PTENOE white adipose tissue (WAT) has increased UCP1, a protein linked to increased thermogenesis. WAT of PTENOE mice also shows a change in polarization of fat-associated macrophages, with elevated levels of arginase 1 (Arg1, characteristic of M2 macrophages) and decreased production of inducible nitric oxide synthase (iNOS, characteristic of M1 macrophages). Muscle and hippocampus showed increased expression of the myokine FNDC5, and higher levels of its cleavage product irisin in plasma, which has been linked to increased conversion of WAT to more thermogenic beige/brown adipose tissue. PTENOE mice also have an increase, in plasma and liver, of GPLD1, which is known to improve cognition in mice. Hippocampus of the PTENOE mice has elevation of both BDNF and DCX, indices of brain resilience and neurogenesis. These changes in fat, macrophages, liver, muscle, hippocampus, and plasma may be considered "aging rate indicators" in that they seem to be consistently changed across many of the long-lived mouse models and may help to extend lifespan by delaying many forms of late-life illness. Our new findings show that PTENOE mice can be added to the group of long-lived mice that share this multi-tissue suite of biochemical characteristics.
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Affiliation(s)
- Mary Hager
- College of Literature, Sciences, & the Arts, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Peter Chang
- College of Literature, Sciences, & the Arts, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Michael Lee
- College of Literature, Sciences, & the Arts, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Calvin M Burns
- Department of Pathology, University of Michigan School of Medicine, Room 3160, BSRB ,109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA
| | - S Joseph Endicott
- Department of Pathology, University of Michigan School of Medicine, Room 3160, BSRB ,109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA
- University of Michigan Geriatrics Center, Ann Arbor, MI, 48109, USA
| | - Richard A Miller
- Department of Pathology, University of Michigan School of Medicine, Room 3160, BSRB ,109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA
- University of Michigan Geriatrics Center, Ann Arbor, MI, 48109, USA
| | - Xinna Li
- Department of Pathology, University of Michigan School of Medicine, Room 3160, BSRB ,109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA.
- University of Michigan Geriatrics Center, Ann Arbor, MI, 48109, USA.
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Lee AC, Tai SH, Chen YY, Huang SY, Wu CL, Lee EJ. Effect of prothymosin α on neuroplasticity following cerebral ischemia‑reperfusion injury. Mol Med Rep 2024; 29:59. [PMID: 38391118 PMCID: PMC10902629 DOI: 10.3892/mmr.2024.13183] [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: 09/08/2023] [Accepted: 01/16/2024] [Indexed: 02/24/2024] Open
Abstract
Prothymosin α (ProT), a highly acidic nuclear protein with multiple cellular functions, has shown potential neuroprotective properties attributed to its anti‑necrotic and anti‑apoptotic activities. The present study aimed to investigate the beneficial effect of ProT on neuroplasticity after ischemia‑reperfusion injury and elucidate its underlying mechanism of action. Primary cortical neurons were either treated with ProT or overexpressing ProT by gene transfection and exposed to oxygen‑glucose deprivation for 2 h in vitro. Immunofluorescence staining for ProT and MAP‑2 was performed to quantify ProT protein expression and assess neuronal arborization. Mice treated with vehicle or ProT (100 µg/kg) and ProT overexpression in transgenic mice received middle cerebral artery occlusion for 50 min to evaluate the effect of ProT on neuroplasticity‑associated protein following ischemia‑reperfusion injury. The results demonstrated that in cultured neurons ProT significantly increased neurite lengths and the number of branches, accompanied by an upregulation mRNA level of brain‑derived neurotrophic factor. Furthermore, ProT administration improved the protein expressions of synaptosomal‑associated protein, 25 kDa and postsynaptic density protein 95 after ischemic‑reperfusion injury in vivo. These findings suggested that ProT can potentially induce neuroplasticity effects following ischemia‑reperfusion injury.
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Affiliation(s)
- Ai-Chiang Lee
- Neurophysiology Laboratory, Neurosurgical Service, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan, R.O.C
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C
| | - Shih-Huang Tai
- Neurophysiology Laboratory, Neurosurgical Service, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan, R.O.C
| | - Yi-Yun Chen
- Neurophysiology Laboratory, Neurosurgical Service, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan, R.O.C
| | - Sheng-Yang Huang
- Neurophysiology Laboratory, Neurosurgical Service, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan, R.O.C
| | - Chao-Liang Wu
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C
- Ditmanson Medical Foundation, Chia-Yi Christian Hospital, Chiayi 60002, Taiwan, R.O.C
| | - E-Jian Lee
- Neurophysiology Laboratory, Neurosurgical Service, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan, R.O.C
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