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Manning A, Bender PTR, Boyd-Pratt H, Mendelson BZ, Hruska M, Anderson CT. Trans-synaptic Association of Vesicular Zinc Transporter 3 and Shank3 Supports Synapse-Specific Dendritic Spine Structure and Function in the Mouse Auditory Cortex. J Neurosci 2024; 44:e0619242024. [PMID: 38830758 PMCID: PMC11236586 DOI: 10.1523/jneurosci.0619-24.2024] [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: 03/26/2024] [Revised: 05/17/2024] [Accepted: 05/23/2024] [Indexed: 06/05/2024] Open
Abstract
Shank3 is a synaptic scaffolding protein that assists in tethering and organizing structural proteins and glutamatergic receptors in the postsynaptic density of excitatory synapses. The localization of Shank3 at excitatory synapses and the formation of stable Shank3 complexes is regulated by the binding of zinc to the C-terminal sterile-alpha-motif (SAM) domain of Shank3. Mutations in the SAM domain of Shank3 result in altered synaptic function and morphology, and disruption of zinc in synapses that express Shank3 leads to a reduction of postsynaptic proteins important for synaptic structure and function. This suggests that zinc supports the localization of postsynaptic proteins via Shank3. Many regions of the brain are highly enriched with free zinc inside glutamatergic vesicles at presynaptic terminals. At these synapses, zinc transporter 3 (ZnT3) moves zinc into vesicles where it is co-released with glutamate. Alterations in ZnT3 are implicated in multiple neurodevelopmental disorders, and ZnT3 knock-out (KO) mice-which lack synaptic zinc-show behavioral deficits associated with autism spectrum disorder and schizophrenia. Here we show that male and female ZnT3 KO mice have smaller dendritic spines and miniature excitatory postsynaptic current amplitudes than wildtype (WT) mice in the auditory cortex. Additionally, spine size deficits in ZnT3 KO mice are restricted to synapses that express Shank3. In WT mice, synapses that express both Shank3 and ZnT3 have larger spines compared to synapses that express Shank3 but not ZnT3. Together these findings suggest a mechanism whereby presynaptic ZnT3-dependent zinc supports postsynaptic structure and function via Shank3 in a synapse-specific manner.
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Affiliation(s)
- Abbey Manning
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV 26506
- Rockefeller Neuroscience Institute, West Virginia University School of Medicine, Morgantown, WV 26506
| | - Philip T R Bender
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV 26506
- Rockefeller Neuroscience Institute, West Virginia University School of Medicine, Morgantown, WV 26506
| | - Helen Boyd-Pratt
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV 26506
- Rockefeller Neuroscience Institute, West Virginia University School of Medicine, Morgantown, WV 26506
- Clinical and Translational Science Institute, West Virginia University School of Medicine, Morgantown, WV 26506
| | - Benjamin Z Mendelson
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV 26506
- Rockefeller Neuroscience Institute, West Virginia University School of Medicine, Morgantown, WV 26506
| | - Martin Hruska
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV 26506
- Rockefeller Neuroscience Institute, West Virginia University School of Medicine, Morgantown, WV 26506
| | - Charles T Anderson
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV 26506
- Rockefeller Neuroscience Institute, West Virginia University School of Medicine, Morgantown, WV 26506
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Zheng H, Tian S, Wu L, Zhong X, Liu M, Yu X, Xie Y, Wu W. Dietary zinc intake in relation to migraine among adults: a cross sectional study of NHANES 1999-2004. Nutr Neurosci 2024; 27:667-676. [PMID: 37540169 DOI: 10.1080/1028415x.2023.2243678] [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: 08/05/2023]
Abstract
BACKGROUND Previous studies have revealed that an antioxidant diet is a protective factor against migraine. However, the association between zinc, an important antioxidant obtained from the diet, and migraine has received little attention. The purpose of this study was to explore the association between zinc intake with migraine. METHODS The present study used cross-sectional data from individuals who participated in the National Health and Nutrition Examination Survey (NHANES) between 1999 and 2004. Logistic regression models and restricted cubic spline models were performed to explore the association between zinc intake and migraine. RESULTS A total of 9849 adults aged 20 years or older were included in this study. Zinc intake was negatively associated with migraine. Compared to participants in the lowest group of dietary zinc intake Q1 (≤5.93 mg/day), the adjusted ORs for migraine in Q2 (5.94-8.38 mg/day), Q3 (8.39-11.26 mg/day), Q4 (11.27-15.75 mg/day), and Q5 (≥15.76 mg/day) were 0.73 (95% CI: 0.60-0.89, p = 0.004), 0.72 (95% CI: 0.55-0.95, p = 0.02), 0.76 (95% CI: 0.58-0.99, p = 0.04) and 0.73 (95% CI: 0.50-1.05, p = 0.08), respectively. Our findings also suggested an interaction between zinc intake and age (P for interaction = 0.007). Additionally, the relationship between zinc intake and migraine in adults with 20-50 years was non-linear. CONCLUSIONS A higher zinc intake is significantly associated with a decreased prevalence of migraine, and age can modify the association between them.
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Affiliation(s)
- Heqing Zheng
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Sheng Tian
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Lanxiang Wu
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Xianhui Zhong
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Mingxu Liu
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Xinping Yu
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Yonggang Xie
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Wei Wu
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
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Tomas-Sanchez C, Blanco-Alvarez VM, Gonzalez-Barrios JA, Martinez-Fong D, Soto-Rodriguez G, Brambila E, Gonzalez-Vazquez A, Aguilar-Peralta AK, Limón DI, Vargas-Castro V, Cebada J, Alatriste-Bueno V, Leon-Chavez BA. Prophylactic zinc and therapeutic selenium administration in adult rats prevents long-term cognitive and behavioral sequelae by a transient ischemic attack. Heliyon 2024; 10:e30017. [PMID: 38707461 PMCID: PMC11068621 DOI: 10.1016/j.heliyon.2024.e30017] [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: 10/30/2023] [Revised: 04/07/2024] [Accepted: 04/18/2024] [Indexed: 05/07/2024] Open
Abstract
The transient hypoxic-ischemic attack, also known as a minor stroke, can result in long-term neurological issues such as memory loss, depression, and anxiety due to an increase in nitrosative stress. The individual or combined administration of chronic prophylactic zinc and therapeutic selenium is known to reduce nitrosative stress in the first seven days post-reperfusion and, due to an antioxidant effect, prevent cell death. Besides, zinc or selenium, individually administered, also causes antidepressant and anxiolytic effects. Therefore, this work evaluated whether combining zinc and selenium could prevent stroke-elicited cognition and behavior deficits after 30 days post-reperfusion. Accordingly, we assessed the expression of growth factors at 7 days post-reperfusion, a four-time course of memory (from 7 to 28 days post-learning test), and cell proliferation, depression, and anxiety-like behavior at 30 days post-reperfusion. Male Wistar rats with a weight between 190 and 240 g) were treated with chronic prophylactic zinc administration with a concentration of 0.2 mg/kg for 15 days before common carotid artery occlusion (10 min) and then with therapeutic selenium (6 μg/kg) for 7 days post-reperfusion. Compared with individual administrations, the administration combined of prophylactic zinc and therapeutic selenium decreased astrogliosis, increased growth factor expression, and improved cell proliferation and survival in two regions, the hippocampus, and cerebral cortex. These effects prevented memory loss, depression, and anxiety-like behaviors. In conclusion, these results demonstrate that the prophylactic zinc administration combined with therapeutic selenium can reduce the long-term sequelae caused by the transient ischemic attack. Significance statement. A minor stroke caused by a transient ischemic attack can result in psychomotor sequelae that affect not only the living conditions of patients and their families but also the economy. The incidence of these micro-events among young people has increased in the world. Nonetheless, there is no deep understanding of how this population group responds to regular treatments (Ekker and et al., 2018) [1]. On the basis that zinc and selenium have antioxidant, anti-inflammatory, and regenerative properties in stroke animal models, our work explored whether the chronic combined administration of prophylactic zinc and therapeutic selenium could prevent neurological sequelae in the long term in a stroke rat model of unilateral common carotid artery occlusion (CCAO) by 10-min. Our results showed that this combined treatment provided a long-term neuroprotective effect by decreasing astrogliosis, memory loss, anxiety, and depression-like behavior.
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Affiliation(s)
- Constantino Tomas-Sanchez
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 sur y Av. San Claudio, 72570, Puebla, Mexico
| | - Victor Manuel Blanco-Alvarez
- Facultad de Enfermería, Benemérita Universidad Autónoma de Puebla, Av 25 Pte 1304, Colonia Volcanes, Puebla, Mexico
| | - Juan Antonio Gonzalez-Barrios
- Laboratorio de Medicina Genómica, Hospital regional 1° de Octubre, ISSSTE, Avenida Instituto Politécnico Nacional #1669, 07760, México D. F., Mexico
| | - Daniel Martinez-Fong
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Apartado Postal 14-740, 07000, México D.F., Mexico
- Nanoparticle Therapy Institute, 404 Avenida Monte Blanco, Aguascalientes, 20120, Mexico
| | - Guadalupe Soto-Rodriguez
- Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2702, Col. Volcanes, 72410, Puebla, Mexico
| | - Eduardo Brambila
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 sur y Av. San Claudio, 72570, Puebla, Mexico
| | - Alejandro Gonzalez-Vazquez
- Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2702, Col. Volcanes, 72410, Puebla, Mexico
| | - Ana Karina Aguilar-Peralta
- Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2702, Col. Volcanes, 72410, Puebla, Mexico
| | - Daniel I. Limón
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 sur y Av. San Claudio, 72570, Puebla, Mexico
| | - Viridiana Vargas-Castro
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 sur y Av. San Claudio, 72570, Puebla, Mexico
| | - Jorge Cebada
- Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2702, Col. Volcanes, 72410, Puebla, Mexico
| | - Victorino Alatriste-Bueno
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 sur y Av. San Claudio, 72570, Puebla, Mexico
| | - Bertha Alicia Leon-Chavez
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, 14 sur y Av. San Claudio, 72570, Puebla, Mexico
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Legutko D, Kuźniewska B, Kalita K, Yasuda R, Kaczmarek L, Michaluk P. BDNF signaling requires Matrix Metalloproteinase-9 during structural synaptic plasticity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.12.08.569797. [PMID: 38106209 PMCID: PMC10723398 DOI: 10.1101/2023.12.08.569797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Synaptic plasticity underlies learning and memory processes as well as contributes, in its aberrant form, to neuropsychiatric disorders. One of its major forms is structural long-term potentiation (sLTP), an activity-dependent growth of dendritic spines that harbor excitatory synapses. The process depends on the release of brain-derived neurotrophic factor (BDNF), and activation of its receptor, TrkB. Matrix metalloproteinase-9 (MMP-9), an extracellular protease is essential for many forms of neuronal plasticity engaged in physiological as well as pathological processes. Here, we utilized two-photon microscopy and two-photon glutamate uncaging to demonstrate that MMP-9 activity is essential for sLTP and is rapidly (~seconds) released from dendritic spines in response to synaptic stimulation. Moreover, we show that either chemical or genetic inhibition of MMP-9 impairs TrkB activation, as measured by fluorescence lifetime imaging microscopy of FRET sensor. Furthermore, we provide evidence for a cell-free cleavage of proBDNF into mature BDNF by MMP-9. Our findings point to the autocrine mechanism of action of MMP-9 through BDNF maturation and TrkB activation during sLTP.
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Affiliation(s)
- Diana Legutko
- BRAINCITY, Laboratory of Neurobiology, The Nencki Institute, 02-093 Warsaw, Pasteura 3, Poland
- Max Planck Florida Institute for Neuroscience, 1 Max Planck Way, Jupiter, Florida 33458, USA
| | - Bożena Kuźniewska
- BRAINCITY, Laboratory of Neurobiology, The Nencki Institute, 02-093 Warsaw, Pasteura 3, Poland
- Current address: Department of Animal Physiology, Institute of Functional Biology and Ecology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland
| | - Katarzyna Kalita
- BRAINCITY, Laboratory of Neurobiology, The Nencki Institute, 02-093 Warsaw, Pasteura 3, Poland
| | - Ryohei Yasuda
- Max Planck Florida Institute for Neuroscience, 1 Max Planck Way, Jupiter, Florida 33458, USA
| | - Leszek Kaczmarek
- BRAINCITY, Laboratory of Neurobiology, The Nencki Institute, 02-093 Warsaw, Pasteura 3, Poland
| | - Piotr Michaluk
- BRAINCITY, Laboratory of Neurobiology, The Nencki Institute, 02-093 Warsaw, Pasteura 3, Poland
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Pressé MT, Malgrange B, Delacroix L. The cochlear matrisome: Importance in hearing and deafness. Matrix Biol 2024; 125:40-58. [PMID: 38070832 DOI: 10.1016/j.matbio.2023.12.002] [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: 08/25/2023] [Revised: 11/20/2023] [Accepted: 12/06/2023] [Indexed: 02/12/2024]
Abstract
The extracellular matrix (ECM) consists in a complex meshwork of collagens, glycoproteins, and proteoglycans, which serves a scaffolding function and provides viscoelastic properties to the tissues. ECM acts as a biomechanical support, and actively participates in cell signaling to induce tissular changes in response to environmental forces and soluble cues. Given the remarkable complexity of the inner ear architecture, its exquisite structure-function relationship, and the importance of vibration-induced stimulation of its sensory cells, ECM is instrumental to hearing. Many factors of the matrisome are involved in cochlea development, function and maintenance, as evidenced by the variety of ECM proteins associated with hereditary deafness. This review describes the structural and functional ECM components in the auditory organ and how they are modulated over time and following injury.
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Affiliation(s)
- Mary T Pressé
- Developmental Neurobiology Unit, GIGA-Neurosciences, University of Liège, 15 avenue Hippocrate - CHU - B36 (1st floor), Liège B-4000, Belgium
| | - Brigitte Malgrange
- Developmental Neurobiology Unit, GIGA-Neurosciences, University of Liège, 15 avenue Hippocrate - CHU - B36 (1st floor), Liège B-4000, Belgium
| | - Laurence Delacroix
- Developmental Neurobiology Unit, GIGA-Neurosciences, University of Liège, 15 avenue Hippocrate - CHU - B36 (1st floor), Liège B-4000, Belgium.
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Stratton S, Wang S, Hashemi S, Pressman Y, Nanchanatt J, Oudega M, Arinzeh TL. A scaffold containing zinc oxide for Schwann cell-mediated axon growth. J Neural Eng 2023; 20:066009. [PMID: 37931311 DOI: 10.1088/1741-2552/ad0a00] [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: 05/26/2023] [Accepted: 11/06/2023] [Indexed: 11/08/2023]
Abstract
Objective.Schwann cells (SCs) transplanted in damaged nervous tissue promote axon growth, which may support the recovery of function lost after injury. However, SC transplant-mediated axon growth is often limited and lacks direction.Approach.We have developed a zinc oxide (ZnO) containing fibrous scaffold consisting of aligned fibers of polycaprolactone (PCL) with embedded ZnO nanoparticles as a biodegradable, bifunctional scaffold for promoting and guiding axon growth. This scaffold has bifunctional properties wherein zinc is released providing bioactivity and ZnO has well-known piezoelectric properties where piezoelectric materials generate electrical activity in response to minute deformations. In this study, SC growth, SC-mediated axon extension, and the presence of myelin basic protein (MBP), as an indicator of myelination, were evaluated on the scaffolds containing varying concentrations of ZnOin vitro. SCs and dorsal root ganglion (DRG) neurons were cultured, either alone or in co-culture, on the scaffolds.Main results.Findings demonstrated that scaffolds with 1 wt.% ZnO promoted the greatest SC growth and SC-mediated axon extension. The presence of brain-derived neurotrophic factor (BDNF) was also determined. BDNF increased in co-cultures for all scaffolds as compared to SCs or DRGs cultured alone on all scaffolds. For co-cultures, cells on scaffolds with low levels of ZnO (0.5 wt.% ZnO) had the highest amount of BDNF as compared to cells on higher ZnO-containing scaffolds (1 and 2 wt.%). MBP immunostaining was only detected in co-cultures on PCL control scaffolds (without ZnO).Significance.The results of this study demonstrate the potential of the ZnO-containing scaffolds for SC-mediated axon growth and its potential for use in nervous tissue repair.
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Affiliation(s)
- Scott Stratton
- Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ, United States of America
| | - Shuo Wang
- Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ, United States of America
| | - Sharareh Hashemi
- Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ, United States of America
| | - Yelena Pressman
- The Miami Project, University of Miami, Miami, FL, United States of America
| | - James Nanchanatt
- Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ, United States of America
| | - Martin Oudega
- Physical Therapy & Human Movement Sciences and Physiology, Northwestern University, Chicago, IL, United States of America
- Hines VA Hospital, Hines, IL, United States of America
- Shirley Ryan AbilityLab, Chicago, IL, United States of America
| | - Treena Livingston Arinzeh
- Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ, United States of America
- Biomedical Engineering, Columbia University, New York, NY, United States of America
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7
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Brown N, Martin D, Waldron M, Bruinvels G, Farrant L, Fairchild R. Nutritional practices to manage menstrual cycle related symptoms: a systematic review. Nutr Res Rev 2023:1-24. [PMID: 37746736 DOI: 10.1017/s0954422423000227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Certain nutritional practices may reduce menstrual-related symptoms, but there is no current consensus on what foods/supplements are sufficiently evidenced to warrant promotion to reduce menstrual symptoms of naturally menstruating individuals. This review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Two online databases were searched for published experimental studies that investigated the effects of foods/supplements on menstrual-related symptoms in eumenorrhoeic women. Extracted data and study characteristics were tabulated and grouped on the basis of food/supplement intervention and dosage compared with UK dietary reference values (DRV) and safe upper limits. In total, twenty-eight studies and twenty-one different foods/supplement interventions were included in the review. None of the studies reported a negative effect on symptoms, twenty-three reported a positive effect and five had no effect. Eighteen different ways of measuring menstrual-related symptoms were described across the studies. The results indicate a lack of consistency in studies to confidently provide information to eumenorrheic, naturally menstruating women regarding the use of foods/supplements to reduce menstrual symptoms. Determination of menstrual-related symptoms varied along with dose and duration of food or supplements provided. These data provide some evidence for the use of vitamin D, calcium, zinc and curcumin to reduce menstrual-related symptoms of non-hormonal contraceptive users, on an individual basis; however, further investigation is required prior to implementation with a focus on robust protocols to determine and measure changes in menstrual symptoms, with interventions adhering to DRV and safe upper limits.
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Affiliation(s)
- Natalie Brown
- Applied, Sports, Technology, Exercise and Medicine (A-STEM) Research Centre, Swansea University, SwanseaSA1 8EN, UK
- School of Sport and Exercise Science, Welsh Institute of Performance Science, Swansea, UK
| | - Daniel Martin
- School of Sport and Exercise Science, University of Lincoln, Lincoln, UK
| | - Mark Waldron
- Applied, Sports, Technology, Exercise and Medicine (A-STEM) Research Centre, Swansea University, SwanseaSA1 8EN, UK
- School of Sport and Exercise Science, Welsh Institute of Performance Science, Swansea, UK
- School of Health and Behavioural Sciences, University of the Sunshine Coast, Queensland, Australia
| | - Georgie Bruinvels
- Institute of Sport, Exercise and Health, University College London, London, UK
- Orreco Ltd., Galway, Ireland
| | - Lucy Farrant
- School of Sport and Health Sciences, Department of Healthcare and Food, Cardiff Metropolitan University, Cardiff, UK
| | - Ruth Fairchild
- School of Sport and Health Sciences, Department of Healthcare and Food, Cardiff Metropolitan University, Cardiff, UK
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Wang B, Fang T, Chen H. Zinc and Central Nervous System Disorders. Nutrients 2023; 15:2140. [PMID: 37432243 DOI: 10.3390/nu15092140] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 07/12/2023] Open
Abstract
Zinc (Zn2+) is the second most abundant necessary trace element in the human body, exerting a critical role in many physiological processes such as cellular proliferation, transcription, apoptosis, growth, immunity, and wound healing. It is an essential catalyst ion for many enzymes and transcription factors. The maintenance of Zn2+ homeostasis is essential for the central nervous system, in which Zn2+ is abundantly distributed and accumulates in presynaptic vesicles. Synaptic Zn2+ is necessary for neural transmission, playing a pivotal role in neurogenesis, cognition, memory, and learning. Emerging data suggest that disruption of Zn2+ homeostasis is associated with several central nervous system disorders including Alzheimer's disease, depression, Parkinson's disease, multiple sclerosis, schizophrenia, epilepsy, and traumatic brain injury. Here, we reviewed the correlation between Zn2+ and these central nervous system disorders. The potential mechanisms were also included. We hope that this review can provide new clues for the prevention and treatment of nervous system disorders.
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Affiliation(s)
- Bangqi Wang
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
- Queen Mary School, Medical College, Nanchang University, Nanchang 330006, China
| | - Tianshu Fang
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
- Queen Mary School, Medical College, Nanchang University, Nanchang 330006, China
| | - Hongping Chen
- Department of Histology and Embryology, Medical College, Nanchang University, Nanchang 330006, China
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Chrusch MJ, Fu S, Spanswick SC, Vecchiarelli HA, Patel PP, Hill MN, Dyck RH. Environmental Enrichment Engages Vesicular Zinc Signaling to Enhance Hippocampal Neurogenesis. Cells 2023; 12:cells12060883. [PMID: 36980224 PMCID: PMC10046929 DOI: 10.3390/cells12060883] [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: 02/09/2023] [Revised: 03/09/2023] [Accepted: 03/11/2023] [Indexed: 03/14/2023] Open
Abstract
Zinc is highly concentrated in synaptic vesicles throughout the mammalian telencephalon and, in particular, the hippocampal dentate gyrus. A role for zinc in modulating synaptic plasticity has been inferred, but whether zinc has a particular role in experience-dependent plasticity has yet to be determined. The aim of the current study was to determine whether vesicular zinc is important for modulating adult hippocampal neurogenesis in an experience-dependent manner and, consequently, hippocampal-dependent behaviour. We assessed the role of vesicular zinc in modulating hippocampal neurogenesis and behaviour by comparing ZnT3 knockout (KO) mice, which lack vesicular zinc, to wild-type (WT) littermates exposed to either standard housing conditions (SH) or an enriched environment (EE). We found that vesicular zinc is necessary for a cascade of changes in hippocampal plasticity following EE, such as increases in hippocampal neurogenesis and elevations in mature brain-derived neurotrophic factor (mBDNF), but was otherwise dispensable under SH conditions. Using the Spatial Object Recognition task and the Morris Water task we show that, unlike WT mice, ZnT3 KO mice showed no improvements in spatial memory following EE. These experiments demonstrate that vesicular zinc is essential for the enhancement of adult hippocampal neurogenesis and behaviour following enrichment, supporting a role for zincergic neurons in contributing to experience-dependent plasticity in the hippocampus.
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Affiliation(s)
- Michael J. Chrusch
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 1N4, Canada; (M.J.C.); (S.F.); (S.C.S.); (H.A.V.); (M.N.H.)
- Department of Neuroscience, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Selena Fu
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 1N4, Canada; (M.J.C.); (S.F.); (S.C.S.); (H.A.V.); (M.N.H.)
- Department of Psychology, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Simon C. Spanswick
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 1N4, Canada; (M.J.C.); (S.F.); (S.C.S.); (H.A.V.); (M.N.H.)
- Department of Psychology, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Haley A. Vecchiarelli
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 1N4, Canada; (M.J.C.); (S.F.); (S.C.S.); (H.A.V.); (M.N.H.)
- Department of Neuroscience, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Payal P. Patel
- Department of Psychology, University of Calgary, Calgary, AB T2N 1N4, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Matthew N. Hill
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 1N4, Canada; (M.J.C.); (S.F.); (S.C.S.); (H.A.V.); (M.N.H.)
- Department of Neuroscience, University of Calgary, Calgary, AB T2N 1N4, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Richard H. Dyck
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 1N4, Canada; (M.J.C.); (S.F.); (S.C.S.); (H.A.V.); (M.N.H.)
- Department of Psychology, University of Calgary, Calgary, AB T2N 1N4, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, AB T2N 1N4, Canada
- Correspondence:
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Extracellular zinc regulates contextual fear memory formation in male rats through MMP-BDNF-TrkB pathway in dorsal hippocampus and basolateral amygdala. Behav Brain Res 2023; 439:114230. [PMID: 36442645 DOI: 10.1016/j.bbr.2022.114230] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 11/26/2022]
Abstract
Large amount of zinc (100 µM even up to 300 µM) is released from the nerve terminals in response to high frequency neuronal stimulation in certain brain regions including hippocampus and amygdala. However, its precise pharmacological effect is poorly understood. Here, we investigated the role of extracellular zinc (endogenous zinc) and exogenous zinc in memory formation using contextual fear conditioning (CFC) model. Male Sprague Dawley rats were trained for fear conditioning followed by in vivo microdialysis for collection of microdialysate samples from CA1 and CA3 regions of hippocampus and basolateral amygdala (BLA). Extracellular zinc chelator CaEDTA, BDNF scavenger TrkB-Fc, exogenous 7,8-DHF and matrix metalloproteinases (MMP) inhibitor were infused into the CA1 and CA3 regions of hippocampus and BLA after CFC. Different doses of exogenous zinc hydroaspartate were administered intraperitoneally immediately after CFC. We found that CFC increased the level of extracellular zinc in the hippocampus and BLA. Infusing the CaEDTA, TrkB-Fc and MMP inhibitor into the CA1 and CA3 regions of hippocampus and BLA disrupted the fear memory formation. Furthermore, administration of TrKB agonist 7,8-DHF reversed the inhibitory effect of CaEDTA on fear memory formation, suggesting that extracellular zinc may regulate fear memory formation via the BDNF-TrKB pathway. We also found that high dose of exogenous zinc hydroaspartate supplementation increased extracellular zinc levels in brain and enhanced fear memory formation. Altogether, these findings indicate that extracellular zinc may participate in formation of contextual fear memory through MMP-BDNF-TrkB pathway in the hippocampus and BLA.
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11
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Vogler EC, Mahavongtrakul M, Sarkan K, Bohannan RC, Catuara-Solarz S, Busciglio J. Genetic removal of synaptic Zn 2+ impairs cognition, alters neurotrophic signaling and induces neuronal hyperactivity. Front Neurol 2023; 13:882635. [PMID: 36742045 PMCID: PMC9895830 DOI: 10.3389/fneur.2022.882635] [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: 02/24/2022] [Accepted: 12/08/2022] [Indexed: 01/21/2023] Open
Abstract
Vesicular Zn2+ (zinc) is released at synapses and has been demonstrated to modulate neuronal responses. However, mechanisms through which dysregulation of zinc homeostasis may potentiate neuronal dysfunction and neurodegeneration are not well-understood. We previously reported that accumulation of soluble amyloid beta oligomers (AβO) at synapses correlates with synaptic loss and that AβO localization at synapses is regulated by synaptic activity and enhanced by the release of vesicular Zn2+ in the hippocampus, a brain region that deteriorates early in Alzheimer's disease (AD). Significantly, drugs regulating zinc homeostasis inhibit AβO accumulation and improve cognition in mouse models of AD. We used both sexes of a transgenic mouse model lacking synaptic Zn2+ (ZnT3KO) that develops AD-like cognitive impairment and neurodegeneration to study the effects of disruption of Zn2+ modulation of neurotransmission in cognition, protein expression and activation, and neuronal excitability. Here we report that the genetic removal of synaptic Zn2+ results in progressive impairment of hippocampal-dependent memory, reduces activity-dependent increase in Erk phosphorylation and BDNF mRNA, alters regulation of Erk activation by NMDAR subunits, increases neuronal spiking, and induces biochemical and morphological alterations consistent with increasing epileptiform activity and neurodegeneration as ZnT3KO mice age. Our study shows that disruption of synaptic Zn2+ triggers neurodegenerative processes and is a potential pathway through which AβO trigger altered expression of neurotrophic proteins, along with reduced hippocampal synaptic density and degenerating neurons, neuronal spiking activity, and cognitive impairment and supports efforts to develop therapeutics to preserve synaptic zinc homeostasis in the brain as potential treatments for AD.
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Affiliation(s)
- Emily C. Vogler
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Matthew Mahavongtrakul
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Kristianna Sarkan
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Ryan C. Bohannan
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Silvina Catuara-Solarz
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Jorge Busciglio
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, United States
- Center for the Neurobiology of Learning and Memory, University of California, Irvine, Irvine, CA, United States
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12
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Liu H, Wang Q, Dong Z, Yu S. Dietary zinc intake and migraine in adults: a cross-sectional analysis of the National Health and Nutrition Examination Survey 1999-2004. Headache 2023; 63:127-135. [PMID: 36588459 DOI: 10.1111/head.14431] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 08/27/2022] [Accepted: 08/30/2022] [Indexed: 01/03/2023]
Abstract
OBJECTIVE The study examined the relationship between dietary zinc intake and migraine. BACKGROUND Neuroinflammatory and oxidative stress are involved in the pathogenesis of migraine. Little is known about the effects of zinc, an anti-inflammatory and antioxidant trace element, on migraine. METHODS The US National Health and Nutrition Examination Survey data from 1999 to 2004 were analyzed for this cross-sectional study. Participants who had severe headache or migraine were classified as having migraine. Dietary zinc intake was evaluated using the 24 h dietary recall system. RESULTS A total of 11,088 participants were included, of whom, 20.2% (2236/11,088) reported having migraine disease. Compared to the lowest dietary zinc intake quintile (Q1, ≤5.9 mg/day), the adjusted odds ratios for migraine in Q2 (6.0-8.4 mg/day), Q3 (8.5-11.2 mg/day), Q4 (11.3-15.7 mg/day), and Q5 (≥15.8 mg/day) were 0.73 (95% confidence interval [CI]: 0.61-0.88, p = 0.004), 0.71 (95% CI: 0.56-0.91, p = 0.013), 0.71 (95% CI: 0.57-0.90, p = 0.008), and 0.70 (95% CI: 0.52-0.94, p = 0.029), respectively. Sensitivity analysis of zinc supplementation survey participants also showed an association between dietary zinc intake and migraine. Compared to the lowest total zinc intake quintile (Q1: 0.5-9.6 mg/day), the adjusted odds ratios for migraine in Q3 (19.3-24.3 mg/day) and Q4 (24.4-32.5 mg/day) were 0.62 (95% CI: 0.46-0.83, p = 0.019) and 0.67 (95% CI: 0.49-0.91, p = 0.045), respectively. CONCLUSIONS Our findings indicate an inverse association between dietary zinc intake and migraine in adult Americans.
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Affiliation(s)
- Huanxian Liu
- Department of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, China.,International Headache Center, Chinese PLA General Hospital, Beijing, China
| | - Qi Wang
- Department of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, China.,International Headache Center, Chinese PLA General Hospital, Beijing, China
| | - Zhao Dong
- Department of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, China.,International Headache Center, Chinese PLA General Hospital, Beijing, China
| | - Shengyuan Yu
- Department of Neurology, the First Medical Center, Chinese PLA General Hospital, Beijing, China.,International Headache Center, Chinese PLA General Hospital, Beijing, China
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13
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Squizani S, Jantsch J, Rodrigues FDS, Braga MF, Eller S, de Oliveira TF, Silveira AK, Moreira JCF, Giovenardi M, Porawski M, Guedes RP. Zinc Supplementation Partially Decreases the Harmful Effects of a Cafeteria Diet in Rats but Does Not Prevent Intestinal Dysbiosis. Nutrients 2022; 14:3921. [PMID: 36235574 PMCID: PMC9571896 DOI: 10.3390/nu14193921] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 11/21/2022] Open
Abstract
Zinc (Zn) plays an important role in metabolic homeostasis and may modulate neurological impairment related to obesity. The present study aimed to evaluate the effect of Zn supplementation on the intestinal microbiota, fatty acid profile, and neurofunctional parameters in obese male Wistar rats. Rats were fed a cafeteria diet (CAF), composed of ultra-processed and highly caloric and palatable foods, for 20 weeks to induce obesity. From week 16, Zn supplementation was started (10 mg/kg/day). At the end of the experiment, we evaluated the colon morphology, composition of gut microbiota, intestinal fatty acids, integrity of the intestinal barrier and blood-brain barrier (BBB), and neuroplasticity markers in the cerebral cortex and hippocampus. Obese rats showed dysbiosis, morphological changes, short-chain fatty acid (SCFA) reduction, and increased saturated fatty acids in the colon. BBB may also be compromised in CAF-fed animals, as claudin-5 expression is reduced in the cerebral cortex. In addition, synaptophysin was decreased in the hippocampus, which may affect synaptic function. Our findings showed that Zn could not protect obese animals from intestinal dysbiosis. However, an increase in acetate levels was observed, which suggests a partial beneficial effect of Zn. Thus, Zn supplementation may not be sufficient to protect from obesity-related dysfunctions.
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Affiliation(s)
- Samia Squizani
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
| | - Jeferson Jantsch
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
| | - Fernanda da Silva Rodrigues
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
| | - Matheus Filipe Braga
- Acadêmico do Curso de Biomedicina, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
| | - Sarah Eller
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
| | - Tiago Franco de Oliveira
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
| | - Alexandre Kleber Silveira
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90035-003, Brazil
| | - José Cláudio Fonseca Moreira
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90035-003, Brazil
| | - Marcia Giovenardi
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
| | - Marilene Porawski
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
- Programa de Pós-Graduação em Medicina: Hepatologia, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
| | - Renata Padilha Guedes
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, Brazil
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14
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Zhang C, Dischler A, Glover K, Qin Y. Neuronal signalling of zinc: from detection and modulation to function. Open Biol 2022; 12:220188. [PMID: 36067793 PMCID: PMC9448499 DOI: 10.1098/rsob.220188] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Zinc is an essential trace element that stabilizes protein structures and allosterically modulates a plethora of enzymes, ion channels and neurotransmitter receptors. Labile zinc (Zn2+) acts as an intracellular and intercellular signalling molecule in response to various stimuli, which is especially important in the central nervous system. Zincergic neurons, characterized by Zn2+ deposits in synaptic vesicles and presynaptic Zn2+ release, are found in the cortex, hippocampus, amygdala, olfactory bulb and spinal cord. To provide an overview of synaptic Zn2+ and intracellular Zn2+ signalling in neurons, the present paper summarizes the fluorescent sensors used to detect Zn2+ signals, the cellular mechanisms regulating the generation and buffering of Zn2+ signals, as well as the current perspectives on their pleiotropic effects on phosphorylation signalling, synapse formation, synaptic plasticity, as well as sensory and cognitive function.
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Affiliation(s)
- Chen Zhang
- Department of Biological Sciences, University of Denver, Denver, CO 80210, USA
| | - Anna Dischler
- Department of Biological Sciences, University of Denver, Denver, CO 80210, USA
| | - Kaitlyn Glover
- Department of Biological Sciences, University of Denver, Denver, CO 80210, USA
| | - Yan Qin
- Department of Biological Sciences, University of Denver, Denver, CO 80210, USA
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15
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Baltaci SB, Unal O, Gulbahce-Mutlu E, Gumus H, Pehlivanoglu S, Yardimci A, Mogulkoc R, Baltaci AK. The Role of Zinc Status on Spatial Memory, Hippocampal Synaptic Plasticity, and Insulin Signaling in icv-STZ-Induced Sporadic Alzheimer's-Like Disease in Rats. Biol Trace Elem Res 2022; 200:4068-4078. [PMID: 34727320 DOI: 10.1007/s12011-021-02999-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 10/26/2021] [Indexed: 12/20/2022]
Abstract
Alzheimer's disease (AD), especially its sporadic form (sAD), is of multifactorial nature. Brain insulin resistance and disrupted zinc homeostasis are two key aspects of AD that remain to be elucidated. Here, we investigated the effects of dietary zinc deficiency and supplementation on memory, hippocampal synaptic plasticity, and insulin signaling in intracerebroventricular streptozotocin (icv-STZ)-induced sAD in rats. The memory performance was evaluated by Morris water maze. The expression of hippocampal protein and mRNA levels of targets related to synaptic plasticity and insulin pathway was assessed by Western blot and real-time quantitative PCR. We found memory deficits in icv-STZ rats, which were fully recovered by zinc supplementation. Western blot analysis revealed that icv-STZ treatment significantly reduced hippocampal PSD95 and p-GSK3β, and zinc supplementation restored the normal protein levels. mRNA levels of BDNF, PSD95, SIRT1, GLUT4, insulin receptor, and ZnT3 were found to be reduced by icv-STZ and reestablished by zinc supplementation. Our data suggest that zinc supplementation improves cognitive deficits and rescues the decline in key molecular targets of synaptic plasticity and insulin signaling in hippocampus caused by icv-STZ induced sAD in rats.
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Affiliation(s)
- Saltuk Bugra Baltaci
- Department of Physiology, Medical Faculty, Selçuk University, Konya, 42031, Turkey
| | - Omer Unal
- Department of Physiology, Medical Faculty, Selçuk University, Konya, 42031, Turkey
| | - Elif Gulbahce-Mutlu
- Department of Medical Biology, Medical Faculty, KTO Karatay University, Konya, Turkey
| | - Haluk Gumus
- Department of Neurology, Medical Faculty, Selçuk University, Konya, Turkey
| | - Suray Pehlivanoglu
- Department of Molecular Biology, Science Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Ahmet Yardimci
- Department of Physiology, Medical Faculty, Firat University, Elazig, Turkey
| | - Rasim Mogulkoc
- Department of Physiology, Medical Faculty, Selçuk University, Konya, 42031, Turkey
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16
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Nicoletti VG, Pajer K, Calcagno D, Pajenda G, Nógrádi A. The Role of Metals in the Neuroregenerative Action of BDNF, GDNF, NGF and Other Neurotrophic Factors. Biomolecules 2022; 12:biom12081015. [PMID: 35892326 PMCID: PMC9330237 DOI: 10.3390/biom12081015] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 12/14/2022] Open
Abstract
Mature neurotrophic factors and their propeptides play key roles ranging from the regulation of neuronal growth and differentiation to prominent participation in neuronal survival and recovery after injury. Their signaling pathways sculpture neuronal circuits during brain development and regulate adaptive neuroplasticity. In addition, neurotrophic factors provide trophic support for damaged neurons, giving them a greater capacity to survive and maintain their potential to regenerate their axons. Therefore, the modulation of these factors can be a valuable target for treating or preventing neurologic disorders and age-dependent cognitive decline. Neuroregenerative medicine can take great advantage by the deepening of our knowledge on the molecular mechanisms underlying the properties of neurotrophic factors. It is indeed an intriguing topic that a significant interplay between neurotrophic factors and various metals can modulate the outcome of neuronal recovery. This review is particularly focused on the roles of GDNF, BDNF and NGF in motoneuron survival and recovery from injuries and evaluates the therapeutic potential of various neurotrophic factors in neuronal regeneration. The key role of metal homeostasis/dyshomeostasis and metal interaction with neurotrophic factors on neuronal pathophysiology is also highlighted as a novel mechanism and potential target for neuronal recovery. The progress in mechanistic studies in the field of neurotrophic factor-mediated neuroprotection and neural regeneration, aiming at a complete understanding of integrated pathways, offers possibilities for the development of novel neuroregenerative therapeutic approaches.
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Affiliation(s)
- Vincenzo Giuseppe Nicoletti
- Department of Biomedical and Biotechnological Sciences (BIOMETEC), Section of Medical Biochemistry, University of Catania, 95124 Catania, Italy; (V.G.N.); (D.C.)
| | - Krisztián Pajer
- Department of Anatomy, Histology and Embryology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary;
| | - Damiano Calcagno
- Department of Biomedical and Biotechnological Sciences (BIOMETEC), Section of Medical Biochemistry, University of Catania, 95124 Catania, Italy; (V.G.N.); (D.C.)
| | - Gholam Pajenda
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Research Centre for Traumatology of the Austrian Workers, 1200 Vienna, Austria;
- Department for Trauma Surgery, Medical University Vienna, 1090 Vienna, Austria
| | - Antal Nógrádi
- Department of Anatomy, Histology and Embryology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary;
- Correspondence: ; Tel.: +36-6-234-2855
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17
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Schirò G, Iacono S, Ragonese P, Aridon P, Salemi G, Balistreri CR. A Brief Overview on BDNF-Trk Pathway in the Nervous System: A Potential Biomarker or Possible Target in Treatment of Multiple Sclerosis? Front Neurol 2022; 13:917527. [PMID: 35911894 PMCID: PMC9332890 DOI: 10.3389/fneur.2022.917527] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/01/2022] [Indexed: 01/09/2023] Open
Abstract
The growing incidence of neurodegenerative disorders in our populations is leading the research to identify potential biomarkers and targets for facilitating their early management and treatments. Biomarkers represent the crucial indicators of both physiological and pathological processes. Specific changes in molecular and cellular mechanisms of physiological processes result in biochemical alterations at systemic level, which can give us comprehensive information regarding the nature of any disease. In addition, any disease biomarker should be specific and reliable, able to consent of distinguishing the physiological condition of a tissue, organ, or system from disease, and be diverse among the various diseases, or subgroups or phenotypes of them. Accordingly, biomarkers can predict chances for diseases, facilitate their early diagnosis, and set guidelines for the development of new therapies for treating diseases and disease-making process. Here, we focus our attention on brain neurotrophic factor (BDNF)–tropomyosin receptor kinase (Trk) pathway, describing its multiple roles in the maintenance of central nervous system (CNS) health, as well as its implication in the pathogenesis of multiple sclerosis (MS). In addition, we also evidence the features of such pathway, which make of it a potential MS biomarker and therapeutic target.
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Affiliation(s)
- Giuseppe Schirò
- Unit of Neurology, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Salvatore Iacono
- Unit of Neurology, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Paolo Ragonese
- Unit of Neurology, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Paolo Ragonese
| | - Paolo Aridon
- Unit of Neurology, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Giuseppe Salemi
- Unit of Neurology, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Giuseppe Salemi
| | - Carmela Rita Balistreri
- Cellular and Molecular Laboratory, Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University of Palermo, Palermo, Italy
- *Correspondence: Carmela Rita Balistreri ; orcid.org/0000-0002-5393-1007
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18
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Gross KS, Lincoln CM, Anderson MM, Geiger GE, Frick KM. Extracellular matrix metalloproteinase-9 (MMP-9) is required in female mice for 17β-estradiol enhancement of hippocampal memory consolidation. Psychoneuroendocrinology 2022; 141:105773. [PMID: 35490640 PMCID: PMC9173600 DOI: 10.1016/j.psyneuen.2022.105773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/13/2022] [Accepted: 04/18/2022] [Indexed: 11/29/2022]
Abstract
Hippocampal plasticity and memory are modulated by the potent estrogen 17β-estradiol (E2). Research on the molecular mechanisms of hippocampal E2 signaling has uncovered multiple intracellular pathways that contribute to these effects, but few have questioned the role that extracellular signaling processes may play in E2 action. Modification of the extracellular matrix (ECM) by proteases like matrix metalloproteinase-9 (MMP-9) is critical for activity-dependent remodeling of synapses, and MMP-9 activity is required for hippocampal learning and memory. Yet little is known about the extent to which E2 regulates MMP-9 in the hippocampus, and the influence this interaction may have on hippocampal memory. Here, we examined the effects of hippocampal MMP-9 activity on E2-induced enhancement of spatial and object recognition memory consolidation. Post-training bilateral infusion of an MMP-9 inhibitor into the dorsal hippocampus of ovariectomized female mice blocked the enhancing effects of E2 on object placement and object recognition memory, supporting a role for MMP-9 in estrogenic regulation of memory consolidation. E2 also rapidly increased the activity of dorsal hippocampal MMP-9 without influencing its protein expression, providing further insight into hippocampal E2/MMP-9 interactions. Together, these results provide the first evidence that E2 regulates MMP-9 to modulate hippocampal memory and highlight the need to further study estrogenic regulation of extracellular modification.
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Affiliation(s)
| | | | | | | | - Karyn M. Frick
- Correspondence to: Department of Psychology, University of Wisconsin-Milwaukee, 2441 E. Hartford Ave., Milwaukee, WI 53211, USA. (K.M. Frick)
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19
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Lawlor M, Zigo M, Kerns K, Cho IK, Easley IV CA, Sutovsky P. Spermatozoan Metabolism as a Non-Traditional Model for the Study of Huntington’s Disease. Int J Mol Sci 2022; 23:ijms23137163. [PMID: 35806166 PMCID: PMC9266437 DOI: 10.3390/ijms23137163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/22/2022] [Accepted: 06/27/2022] [Indexed: 12/10/2022] Open
Abstract
Huntington’s Disease (HD) is a fatal autosomal dominant neurodegenerative disease manifested through motor dysfunction and cognitive deficits. Decreased fertility is also observed in HD animal models and HD male patients, due to altered spermatogenesis and sperm function, thus resulting in reduced fertilization potential. Although some pharmaceuticals are currently utilized to mitigate HD symptoms, an effective treatment that remedies the pathogenesis of the disease is yet to be approved by the FDA. Identification of genes and relevant diagnostic biomarkers and therapeutic target pathways including glycolysis and mitochondrial complex-I-dependent respiration may be advantageous for early diagnosis, management, and treatment of the disease. This review addresses the HD pathway in neuronal and sperm metabolism, including relevant gene and protein expression in both neurons and spermatozoa, indicated in the pathogenesis of HD. Furthermore, zinc-containing and zinc-interacting proteins regulate and/or are regulated by zinc ion homeostasis in both neurons and spermatozoa. Therefore, this review also aims to explore the comparative role of zinc in both neuronal and sperm function. Ongoing studies aim to characterize the products of genes implicated in HD pathogenesis that are expressed in both neurons and spermatozoa to facilitate studies of future treatment avenues in HD and HD-related male infertility. The emerging link between zinc homeostasis and the HD pathway could lead to new treatments and diagnostic methods linking genetic sperm defects with somatic comorbidities.
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Affiliation(s)
- Meghan Lawlor
- Division of Animal Science, University of Missouri, Columbia, MO 65211, USA; (M.L.); (M.Z.); (K.K.)
| | - Michal Zigo
- Division of Animal Science, University of Missouri, Columbia, MO 65211, USA; (M.L.); (M.Z.); (K.K.)
| | - Karl Kerns
- Division of Animal Science, University of Missouri, Columbia, MO 65211, USA; (M.L.); (M.Z.); (K.K.)
- Department of Animal Science, Iowa State University, Ames, IA 50011, USA
| | - In Ki Cho
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, USA; (I.K.C.); (C.A.E.IV)
- Regenerative Bioscience Center, University of Georgia, Athens, GA 30602, USA
| | - Charles A. Easley IV
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, USA; (I.K.C.); (C.A.E.IV)
- Regenerative Bioscience Center, University of Georgia, Athens, GA 30602, USA
| | - Peter Sutovsky
- Division of Animal Science, University of Missouri, Columbia, MO 65211, USA; (M.L.); (M.Z.); (K.K.)
- Department of Obstetrics, Gynecology and Women’s Health, University of Missouri, Columbia, MO 65211, USA
- Correspondence: ; Tel.: +1-(573)-882-3329
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20
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Begenisic T, Pavese C, Aiachini B, Nardone A, Rossi D. Dynamics of biomarkers across the stages of traumatic spinal cord injury - implications for neural plasticity and repair. Restor Neurol Neurosci 2021; 39:339-366. [PMID: 34657853 DOI: 10.3233/rnn-211169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Traumatic spinal cord injury (SCI) is a complex medical condition causing significant physical disability and psychological distress. While the adult spinal cord is characterized by poor regenerative potential, some recovery of neurological function is still possible through activation of neural plasticity mechanisms. We still have limited knowledge about the activation of these mechanisms in the different stages after human SCI. OBJECTIVE In this review, we discuss the potential role of biomarkers of SCI as indicators of the plasticity mechanisms at work during the different phases of SCI. METHODS An extensive review of literature related to SCI pathophysiology, neural plasticity and humoral biomarkers was conducted by consulting the PubMed database. Research and review articles from SCI animal models and SCI clinical trials published in English until January 2021 were reviewed. The selection of candidates for humoral biomarkers of plasticity after SCI was based on the following criteria: 1) strong evidence supporting involvement in neural plasticity (mandatory); 2) evidence supporting altered expression after SCI (optional). RESULTS Based on selected findings, we identified two main groups of potential humoral biomarkers of neural plasticity after SCI: 1) neurotrophic factors including: Brain derived neurotrophic factor (BDNF), Nerve growth factor (NGF), Neurotrofin-3 (NT-3), and Insulin-like growth factor 1 (IGF-1); 2) other factors including: Tumor necrosis factor-alpha (TNF-α), Matrix Metalloproteinases (MMPs), and MicroRNAs (miRNAs). Plasticity changes associated with these biomarkers often can be both adaptive (promoting functional improvement) and maladaptive. This dual role seems to be influenced by their concentrations and time-window during SCI. CONCLUSIONS Further studies of dynamics of biomarkers across the stages of SCI are necessary to elucidate the way in which they reflect the remodeling of neural pathways. A better knowledge about the mechanisms underlying plasticity could guide the selection of more appropriate therapeutic strategies to enhance positive spinal network reorganization.
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Affiliation(s)
- Tatjana Begenisic
- Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Chiara Pavese
- Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy.,Neurorehabilitation and Spinal Units, ICS Maugeri SPA SB, Institute of Pavia, IRCCS, Pavia, Italy
| | - Beatrice Aiachini
- Neurorehabilitation and Spinal Units, ICS Maugeri SPA SB, Institute of Pavia, IRCCS, Pavia, Italy
| | - Antonio Nardone
- Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy.,Neurorehabilitation and Spinal Units, ICS Maugeri SPA SB, Institute of Pavia, IRCCS, Pavia, Italy
| | - Daniela Rossi
- Laboratory for Research on Neurodegenerative Disorders, ICS Maugeri SPA SB, Institute of Pavia, IRCCS, Pavia, Italy
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21
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Jafari F, Mohammadi H, Amani R. The effect of zinc supplementation on brain derived neurotrophic factor: A meta-analysis. J Trace Elem Med Biol 2021; 66:126753. [PMID: 33831797 DOI: 10.1016/j.jtemb.2021.126753] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 01/31/2021] [Accepted: 03/29/2021] [Indexed: 01/19/2023]
Abstract
BACKGROUND Zinc in one of the most abundant trace minerals in human body which is involved in numerous biological pathways and has variety of roles in the nervous system. It has been assumed that zinc exerts its role in nervous system through increasing brain derived neurotrophic factor (BDNF) concentrations. OBJECTIVES Present meta-analysis was aimed to review the effect of zinc supplementation on serum concentrations of BDNF. METHODS AND MATERIALS Four electronic databases (Pubmed, Scopus, Web of Science, Embase) were searched for identifying studies that examined BDNF levels prior and after zinc supplementation up to May 2020. According to the Cochrane guideline, a meta-analysis was performed to pool the effect size estimate (Hedges' test) of serum BDNF across studies. Risk of publication bias was assessed using a funnel plot and Egger's test. RESULTS Five studies were eligible and 238 participants were included. These studies enrolled subjects with premenstrual syndrome, diabetic retinopathy, major depression disorder, overweight/obese and obese with mild to moderate depressive disorders. Zinc supplementation failed to increase blood BDNF concentrations with effect size of 0.30 (95 % CI: -0.08, 0.67, P = 0.119). Funnel plot did not suggest publication bias. CONCLUSION Zinc supplementation may not significantly increase BDNF levels. However, the small number of included articles and significant heterogeneity between them can increase the risk of a false negative result; therefore, the results should be interpreted with caution.
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Affiliation(s)
- Fatemeh Jafari
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Hamed Mohammadi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Reza Amani
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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22
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Lovelace JW, Rais M, Palacios AR, Shuai XS, Bishay S, Popa O, Pirbhoy PS, Binder DK, Nelson DL, Ethell IM, Razak KA. Deletion of Fmr1 from Forebrain Excitatory Neurons Triggers Abnormal Cellular, EEG, and Behavioral Phenotypes in the Auditory Cortex of a Mouse Model of Fragile X Syndrome. Cereb Cortex 2021; 30:969-988. [PMID: 31364704 DOI: 10.1093/cercor/bhz141] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 05/08/2019] [Accepted: 05/29/2019] [Indexed: 12/13/2022] Open
Abstract
Fragile X syndrome (FXS) is a leading genetic cause of autism with symptoms that include sensory processing deficits. In both humans with FXS and a mouse model [Fmr1 knockout (KO) mouse], electroencephalographic (EEG) recordings show enhanced resting state gamma power and reduced sound-evoked gamma synchrony. We previously showed that elevated levels of matrix metalloproteinase-9 (MMP-9) may contribute to these phenotypes by affecting perineuronal nets (PNNs) around parvalbumin (PV) interneurons in the auditory cortex of Fmr1 KO mice. However, how different cell types within local cortical circuits contribute to these deficits is not known. Here, we examined whether Fmr1 deletion in forebrain excitatory neurons affects neural oscillations, MMP-9 activity, and PV/PNN expression in the auditory cortex. We found that cortical MMP-9 gelatinase activity, mTOR/Akt phosphorylation, and resting EEG gamma power were enhanced in CreNex1/Fmr1Flox/y conditional KO (cKO) mice, whereas the density of PV/PNN cells was reduced. The CreNex1/Fmr1Flox/y cKO mice also show increased locomotor activity, but not the anxiety-like behaviors. These results indicate that fragile X mental retardation protein changes in excitatory neurons in the cortex are sufficient to elicit cellular, electrophysiological, and behavioral phenotypes in Fmr1 KO mice. More broadly, these results indicate that local cortical circuit abnormalities contribute to sensory processing deficits in autism spectrum disorders.
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Affiliation(s)
| | - Maham Rais
- Division of Biomedical Sciences, School of Medicine
| | | | | | | | - Otilia Popa
- Division of Biomedical Sciences, School of Medicine
| | | | - Devin K Binder
- Division of Biomedical Sciences, School of Medicine.,Graduate Neuroscience Program, University of California Riverside, Riverside, CA 92521,USA
| | - David L Nelson
- Molecular and Human Genetics, Baylor College of Medicine , Houston, TX 77030, USA
| | - Iryna M Ethell
- Division of Biomedical Sciences, School of Medicine.,Graduate Neuroscience Program, University of California Riverside, Riverside, CA 92521,USA
| | - Khaleel A Razak
- Department of Psychology.,Graduate Neuroscience Program, University of California Riverside, Riverside, CA 92521,USA
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23
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Zhang C, Maslar D, Minckley TF, LeJeune KD, Qin Y. Spontaneous, synchronous zinc spikes oscillate with neural excitability and calcium spikes in primary hippocampal neuron culture. J Neurochem 2021; 157:1838-1849. [PMID: 33638177 DOI: 10.1111/jnc.15334] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 02/23/2021] [Indexed: 12/19/2022]
Abstract
Zinc has been suggested to act as an intracellular signaling molecule due to its regulatory effects on numerous protein targets including enzymes, transcription factors, ion channels, neurotrophic factors, and postsynaptic scaffolding proteins. However, intracellular zinc concentration is tightly maintained at steady levels under natural physiological conditions. Dynamic changes in intracellular zinc concentration have only been detected in certain types of cells that are exposed to pathologic stimuli or upon receptor ligand binding. Unlike calcium, the ubiquitous signaling metal ion that can oscillate periodically and spontaneously in various cells, spontaneous zinc oscillations have never been reported. In this work, we made the novel observation that the developing neurons generated spontaneous and synchronous zinc spikes in primary hippocampal cultures using a fluorescent zinc sensor, FluoZin-3. Blocking of glutamate receptor-dependent calcium influx depleted the zinc spikes, suggesting that these zinc spikes were driven by the glutamate-mediated spontaneous neural excitability and calcium spikes that have been characterized in early developing neurons. Simultaneous imaging of calcium or pH together with zinc, we uncovered that a downward pH spike was evoked with each zinc spike and this transient cellular acidification occurred downstream of calcium spikes but upstream of zinc spikes. Our results suggest that spontaneous, synchronous zinc spikes were generated through calcium influx-induced cellular acidification, which liberates zinc from intracellular zinc binding ligands. Given that changes in zinc concentration can modulate activities of proteins essential for synapse maturation and neuronal differentiation, these zinc spikes might act as important signaling roles in neuronal development.
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Affiliation(s)
- Chen Zhang
- Department of Biological Sciences, University of Denver, Denver, CO, USA
| | - Drew Maslar
- Department of Biological Sciences, University of Denver, Denver, CO, USA
| | - Taylor F Minckley
- Department of Biological Sciences, University of Denver, Denver, CO, USA
| | - Kate D LeJeune
- Department of Biological Sciences, University of Denver, Denver, CO, USA
| | - Yan Qin
- Department of Biological Sciences, University of Denver, Denver, CO, USA
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24
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Gravesteijn E, Mensink RP, Plat J. Effects of nutritional interventions on BDNF concentrations in humans: a systematic review. Nutr Neurosci 2021; 25:1425-1436. [PMID: 33427118 DOI: 10.1080/1028415x.2020.1865758] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Objectives: Brain-derived neurotrophic factor (BDNF) plays an essential role in brain and metabolic health. The fact that higher concentrations are associated with improved cognitive performance has resulted in numerous intervention trials that aim at elevating BDNF levels. This systematic review provides an overview of the relation between various nutritional factors and BDNF concentrations in controlled human intervention studies. Methods: A systematic search in May 2020 identified 48 articles that examined the effects of dietary patterns or foods (n = 3), diets based on energy intake (n = 7), vitamins and minerals (n = 7), polyphenols (n = 11), long-chain omega-3 polyunsaturated fatty acids (n = 5), probiotics (n = 8), and miscellaneous food supplements (n = 7). Results: In particular, studies with dietary patterns or foods showed increased peripheral BDNF concentrations. There are also strong indications that polyphenols tend to have a positive effect on BDNF concentrations. Four of the 11 included studies with a polyphenol intervention showed a significant increase in BDNF concentrations, one study showed an increase but this was not statistically analyzed, and two studies showed a trend to an increase. Discussion: The two polyphenol classes, phenolic acids, and other phenolic compounds were responsible for the significant effects. No clear effect was found for the other dietary factors, which might also be related to whether serum or plasma was used for BDNF analysis. More work is needed to understand the relation between peripheral and central BDNF concentrations.
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Affiliation(s)
- Elske Gravesteijn
- Department of Nutrition and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+ (MUMC+), Maastricht, Netherlands
| | - Ronald P Mensink
- Department of Nutrition and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+ (MUMC+), Maastricht, Netherlands
| | - Jogchum Plat
- Department of Nutrition and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+ (MUMC+), Maastricht, Netherlands
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25
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Kumar V, Kumar A, Singh K, Avasthi K, Kim JJ. Neurobiology of zinc and its role in neurogenesis. Eur J Nutr 2021; 60:55-64. [PMID: 33399973 DOI: 10.1007/s00394-020-02454-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 12/03/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND Zinc (Zn) has a diverse role in many biological processes, such as growth, immunity, anti-oxidation system, homeostatic, and repairing. It acts as a regulatory and structural catalyst ion for activities of various proteins, enzymes, and signal transcription factors, as well as cell proliferation, differentiation, and survival. The Zn ion is essential for neuronal signaling and is mainly distributed within presynaptic vesicles. Zn modulates neuronal plasticity and synaptic activity in both neonatal and adult stages. Alterations in brain Zn status results in a dozen neurological diseases including impaired brain development. Numerous researchers are working on neurogenesis, however, there is a paucity of knowledge about neurogenesis, especially in neurogenesis in adults. Neurogenesis is a multifactorial process and is regulated by many metal ions (e.g. Fe, Cu, Zn, etc.). Among them, Zn has an essential role in neurogenesis. At the molecular level, Zn controls cell cycle, apoptosis, and binding of DNA and several proteins including transcriptional and translational factors. Zn is needed for protein folding and function and Zn acts as an anti-apoptotic agent; organelle stabilizer; and an anti-inflammatory agent. Zn deficiency results in aging, neurodegenerative disease, immune deficiency, abnormal growth, cancer, and other symptoms. Prenatal deficiency of Zn results in developmental disorders in humans and animals. CONCLUSION Both in vitro and in vivo studies have shown an association between Zn deficiency and increased risk of neurological disorders. This article reviews the existing knowledge on the role of Zn and its importance in neurogenesis.
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Affiliation(s)
- Vijay Kumar
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
| | - Ashok Kumar
- Department of Genetics, Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, 226014, UP, India
| | - Kritanjali Singh
- Central Research Station, Subharti Medical College, Swami Vivekanand Subharti University, Meerut, 250002, India
| | - Kapil Avasthi
- Department of Genetics, Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, 226014, UP, India
| | - Jong-Joo Kim
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
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26
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Intervention of Brain-Derived Neurotrophic Factor and Other Neurotrophins in Adult Neurogenesis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1331:95-115. [PMID: 34453295 DOI: 10.1007/978-3-030-74046-7_8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cell survival during adult neurogenesis and the modulation of each step, namely, proliferation, lineage differentiation, migration, maturation, and functional integration of the newborn cells into the existing circuitry, is regulated by intrinsic and extrinsic factors. Transduction of extracellular niche signals triggers the activation of intracellular mechanisms that regulate adult neurogenesis by affecting gene expression. While the intrinsic factors include transcription factors and epigenetic regulators, the extrinsic factors are molecular signals that are present in the neurogenic niche microenvironment. These include morphogens, growth factors, neurotransmitters, and signaling molecules secreted as soluble factors or associated to the extracellular matrix. Among these molecular mechanisms are neurotrophins and neurotrophin receptors which have been implicated in the regulation of adult neurogenesis at different levels, with brain-derived neurotrophic factor (BDNF) being the most studied neurotrophin. In this chapter, we review the current knowledge about the role of neurotrophins in the regulation of adult neurogenesis in both the subventricular zone (SVZ) and the hippocampal subgranular zone (SGZ).
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27
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Yue C, Shan Z, Tan Y, Yao C, Liu Y, Liu Q, Tan X, Du X. His-Rich Domain of Selenoprotein P Ameliorates Neuropathology and Cognitive Deficits by Regulating TrkB Pathway and Zinc Homeostasis in an Alzheimer Model of Mice. ACS Chem Neurosci 2020; 11:4098-4110. [PMID: 33226214 DOI: 10.1021/acschemneuro.0c00278] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Selenoproteins are a family of special proteins that contain the 21st amino acid, selenocysteine (Sec), in their sequence. Selenoprotein P has 10 Sec residues and modulates selenium homeostasis and redox balance in the brain. Previously, we found that the Sec-devoid His-rich motif of selenoprotein P (Selenop-H) suppressed metal-induced aggregation and neurotoxicities of both Aβ and tau in vitro. To investigate the intervening capacity of Selenop-H on the neuropathology and cognitive deficits of triple transgenic AD (3 × Tg-AD) mice, the Selenop-H gene packaged in rAAV9 was delivered into the hippocampal CA3 regions of mice via stereotaxic injection. Four months later, we demonstrated that Selenop-H (1) improved the spatial learning and memory deficits, (2) alleviated neuron damage and synaptic protein loss, (3) inhibited both tau pathology and amyloid beta protein (Aβ) aggregation, (4) activated both BDNF- and Src-mediated TrkB signaling, and (5) increased MT3 and ZnT3 levels and restored Zn2+ homeostasis in the mice model of AD. The study revealed that Selenop-H is potent in ameliorating AD-related neuropathology and cognitive deficits by modulating TrkB signaling and Zn2+ homeostasis.
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Affiliation(s)
- Caiping Yue
- College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen University, Shenzhen 518060, China
| | - Zhifu Shan
- College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen University, Shenzhen 518060, China
- College of Veterinary Medicine, Northeast Agricultural University, No. 600 Chang jiang Street, Harbin 150030, P. R. China
| | - Yibin Tan
- College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen University, Shenzhen 518060, China
| | - Chuangyu Yao
- College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen University, Shenzhen 518060, China
| | - Yuanheng Liu
- Advance Institute of Engineering Science for Intelligent Manufacturing, Guangzhou University, Guangzhou, Guangdong 510006, China
| | - Qiong Liu
- College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen University, Shenzhen 518060, China
- Shenzhen Bay Laboratory, Shenzhen 518055, China
| | - Xiangshi Tan
- Department of Chemistry &Shanghai Key Laboratory of Chemical Biology for Protein Research and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, China
| | - Xiubo Du
- College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen University, Shenzhen 518060, China
- Shenzhen Bay Laboratory, Shenzhen 518055, China
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28
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Granzotto A, Canzoniero LMT, Sensi SL. A Neurotoxic Ménage-à-trois: Glutamate, Calcium, and Zinc in the Excitotoxic Cascade. Front Mol Neurosci 2020; 13:600089. [PMID: 33324162 PMCID: PMC7725690 DOI: 10.3389/fnmol.2020.600089] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 10/30/2020] [Indexed: 12/12/2022] Open
Abstract
Fifty years ago, the seminal work by John Olney provided the first evidence of the neurotoxic properties of the excitatory neurotransmitter glutamate. A process hereafter termed excitotoxicity. Since then, glutamate-driven neuronal death has been linked to several acute and chronic neurological conditions, like stroke, traumatic brain injury, Alzheimer’s, Parkinson’s, and Huntington’s diseases, and Amyotrophic Lateral Sclerosis. Mechanisms linked to the overactivation of glutamatergic receptors involve an aberrant cation influx, which produces the failure of the ionic neuronal milieu. In this context, zinc, the second most abundant metal ion in the brain, is a key but still somehow underappreciated player of the excitotoxic cascade. Zinc is an essential element for neuronal functioning, but when dysregulated acts as a potent neurotoxin. In this review, we discuss the ionic changes and downstream effects involved in the glutamate-driven neuronal loss, with a focus on the role exerted by zinc. Finally, we summarize our work on the fascinating distinct properties of NADPH-diaphorase neurons. This neuronal subpopulation is spared from excitotoxic insults and represents a powerful tool to understand mechanisms of resilience against excitotoxic processes.
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Affiliation(s)
- Alberto Granzotto
- Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, United States.,Center for Advanced Sciences and Technology (CAST), University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy.,Department of Neuroscience, Imaging, and Clinical Sciences (DNISC), Laboratory of Molecular Neurology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | | | - Stefano L Sensi
- Center for Advanced Sciences and Technology (CAST), University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy.,Department of Neuroscience, Imaging, and Clinical Sciences (DNISC), Laboratory of Molecular Neurology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy.,Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, United States
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29
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Zhu Y, Liu M, Qu S, Cao C, Wei C, Meng XE, Lou Q, Qian D, Duan JA, Ding Y, Han Z, Zhao M. Elaphuri Davidiani Cornu Improves Depressive-Like Behavior in Mice and Increases Neurotrophic Factor Expression in Mouse Primary Astrocytes via cAMP and ERK-Dependent Pathways. Front Pharmacol 2020; 11:593993. [PMID: 33364963 PMCID: PMC7751692 DOI: 10.3389/fphar.2020.593993] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/14/2020] [Indexed: 11/13/2022] Open
Abstract
Elaphuri Davidiani Cornu (EDC) is the natural shedding horn of Elaphurus davidiauus Millne-Edwards that was used by people in ancient China for maintaining physical and mental health. We evaluated the antidepressant effect of EDC using depression-like animal models and explored possible mechanisms in mouse primary astrocyte cultures. We found that aqueous extracts of EDC significantly improved depression-like behavior in a mouse model of depression. The extracts enhanced expression of nerve growth factor and brain-derived neurotrophic factor neurotrophic factors in mouse prefrontal cortex and hippocampus tissues. In the mouse primary astrocyte cultures, the EDC aqueous extracts significantly increased the neurotrophic factor expression both at the transcriptional and protein levels. EDC extracts might exhibit these functions by regulating matrix metalloprotein-9 of the nerve growth factor and brain-derived neurotrophic factor metabolic pathways and might enhance expression of neurotrophic factors via the cAMP- and ERK-dependent pathways. We confirmed this possibility by showing the effects of related inhibitors, providing scientific evidence that supports the utility of EDC in the development of drugs to treat major depressive disorders.
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Affiliation(s)
- Yue Zhu
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Mengqiu Liu
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Suchen Qu
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Cheng Cao
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Chongqi Wei
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Xue-Er Meng
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Qianyin Lou
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Dawei Qian
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Jin-Ao Duan
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
| | - Yuhua Ding
- Jiangsu Province Dafeng Milu National Nature Reserve, Dafeng, China
| | - Zhengxiang Han
- Department of Neurology and Rehabilitation, Shanghai Seventh People's Hospital, Shanghai University of TCM, Shanghai, China
| | - Ming Zhao
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nan Jing, China
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30
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Wu L, Zhang K, Sun L, Bai J, Zhang M, Zheng J. Laminin degradation by matrix metalloproteinase 9 promotes ketamine-induced neuronal apoptosis in the early developing rat retina. CNS Neurosci Ther 2020; 26:1058-1068. [PMID: 32562453 PMCID: PMC7539835 DOI: 10.1111/cns.13428] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/21/2020] [Accepted: 05/24/2020] [Indexed: 12/15/2022] Open
Abstract
AIMS During early development, laminin degradation contributes to the death of neurons. This study aims to investigate the role and regulation of laminin in ketamine-induced apoptosis. METHODS We performed terminal deoxynucleotidyl transferase biotin-dUTP nick end labeling (TUNEL) and immunohistochemical assays to investigate the roles of the non-integrin laminin receptor, matrix metalloproteinase 9 (MMP9) in ketamine-induced neuronal apoptosis. In situ zymography, Western blot, and immunofluorescence were used to explore the relationships between laminin, MMP9 activity, and Zn2+ . Experiments were performed using whole-mount retinas dissected from Sprague Dawley rats. RESULTS The TUNEL and immunohistochemical assays indicated that ketamine-induced neuronal apoptosis in early developing rat retina. Blockade of non-integrin laminin receptor promoted ketamine-induced apoptosis, while non-integrin laminin receptor activation attenuated ketamine-induced apoptosis. Ketamine-induced laminin degradation, possibly by enhancing the activity of MMP9. MMP9 inhibition reduced ketamine-induced apoptosis by reducing laminin degradation. Downregulation of Zn2+ attenuated the increased MMP9 activity, laminin degradation caused by ketamine and significantly reduced ketamine-induced neuronal apoptosis. CONCLUSION Laminin degradation by MMP9 promoted ketamine-induced neuronal apoptosis in early developing rat retina. The non-integrin laminin receptor may be a pathway involved in ketamine-induced apoptosis. Zn2+ downregulation may play a protective role against ketamine-induced neuronal apoptosis through inhibiting MMP9 activity.
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Affiliation(s)
- Lei Wu
- Department of AnesthesiologyShanghai Children’s Medical Center Affiliated to School of MedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Kan Zhang
- Department of AnesthesiologyShanghai Children’s Medical Center Affiliated to School of MedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Liping Sun
- Department of AnesthesiologyShanghai Children’s Medical Center Affiliated to School of MedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Jie Bai
- Department of AnesthesiologyShanghai Children’s Medical Center Affiliated to School of MedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Mazhong Zhang
- Department of AnesthesiologyShanghai Children’s Medical Center Affiliated to School of MedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Jijian Zheng
- Department of AnesthesiologyShanghai Children’s Medical Center Affiliated to School of MedicineShanghai Jiao Tong UniversityShanghaiChina
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Ahmadi H, Mazloumi-Kiapey SS, Sadeghi O, Nasiri M, Khorvash F, Mottaghi T, Askari G. Zinc supplementation affects favorably the frequency of migraine attacks: a double-blind randomized placebo-controlled clinical trial. Nutr J 2020; 19:101. [PMID: 32928216 PMCID: PMC7491175 DOI: 10.1186/s12937-020-00618-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 09/01/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Observational studies have shown a link between zinc deficiency and migraine headaches. We aimed to examine the effect of zinc supplementation on the characteristics of migraine attacks in patients with migraine. METHODS This randomized clinical trial was conducted on 80 patients with migraine. Patients were randomly assigned to receive either zinc sulfate (220 mg/d zinc sulfate) or placebo (lactose) for 8 weeks. Anthropometric measures, serum zinc concentrations, and characteristics of migraine attacks (headache severity, frequency and duration of migraine attacks, and headache daily results) were assessed at baseline and end of the trial. RESULTS Compared with the placebo, zinc supplementation resulted in a significant reduction in headache severity (- 1.75 ± 1.79 vs. -0.80 ± 1.57; P = 0.01) and migraine attacks frequency (- 2.55 ± 4.32 vs. -0.42 ± 4.24; P = 0.02) in migraine patients. However, the observed reduction for headache severity became statistically non-significant when the analysis was adjusted for potential confounders and baseline values of headache severity. Other characteristics of migraine attacks including the duration of attacks and headache daily results were not altered following zinc supplementation either before or after controlling for covariates. CONCLUSION Zinc supplementation had a beneficial effect on the frequency of migraine attacks in migraine patients. Additional well-designed clinical trials with a long period of intervention and different dosages of zinc are required. TRIAL REGISTRATION CODE IRCT20121216011763N23 at www.irct.ir .
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Affiliation(s)
- Hedieh Ahmadi
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, P.O. Box 8174673461, Isfahan, Iran
| | | | - Omid Sadeghi
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Morteza Nasiri
- Student Research Committee, School of Nursing and Midwifery, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Operating Room Nursing, School of Nursing and Midwifery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fariborz Khorvash
- Neurology Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Tayebeh Mottaghi
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, P.O. Box 8174673461, Isfahan, Iran
| | - Gholamreza Askari
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, P.O. Box 8174673461, Isfahan, Iran.
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32
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Xie Z, Wu H, Zhao J. Multifunctional roles of zinc in Alzheimer’s disease. Neurotoxicology 2020; 80:112-123. [DOI: 10.1016/j.neuro.2020.07.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/13/2020] [Accepted: 07/16/2020] [Indexed: 02/06/2023]
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Thingholm TE, Rönnstrand L, Rosenberg PA. Why and how to investigate the role of protein phosphorylation in ZIP and ZnT zinc transporter activity and regulation. Cell Mol Life Sci 2020; 77:3085-3102. [PMID: 32076742 PMCID: PMC7391401 DOI: 10.1007/s00018-020-03473-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 01/13/2020] [Accepted: 01/28/2020] [Indexed: 12/20/2022]
Abstract
Zinc is required for the regulation of proliferation, metabolism, and cell signaling. It is an intracellular second messenger, and the cellular level of ionic, mobile zinc is strictly controlled by zinc transporters. In mammals, zinc homeostasis is primarily regulated by ZIP and ZnT zinc transporters. The importance of these transporters is underscored by the list of diseases resulting from changes in transporter expression and activity. However, despite numerous structural studies of the transporters revealing both zinc binding sites and motifs important for transporter function, the exact molecular mechanisms regulating ZIP and ZnT activities are still not clear. For example, protein phosphorylation was found to regulate ZIP7 activity resulting in the release of Zn2+ from intracellular stores leading to phosphorylation of tyrosine kinases and activation of signaling pathways. In addition, sequence analyses predict all 24 human zinc transporters to be phosphorylated suggesting that protein phosphorylation is important for regulation of transporter function. This review describes how zinc transporters are implicated in a number of important human diseases. It summarizes the current knowledge regarding ZIP and ZnT transporter structures and points to how protein phosphorylation seems to be important for the regulation of zinc transporter activity. The review addresses the need to investigate the role of protein phosphorylation in zinc transporter function and regulation, and argues for a pressing need to introduce quantitative phosphoproteomics to specifically target zinc transporters and proteins involved in zinc signaling. Finally, different quantitative phosphoproteomic strategies are suggested.
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Affiliation(s)
- T E Thingholm
- Department of Molecular Medicine, Cancer and Inflammation Research, University of Southern Denmark, J.B. Winsløws Vej 25, 3, 5000, Odense C, Denmark.
| | - L Rönnstrand
- Division of Translational Cancer Research, Lund University, Medicon Village, Building 404, Scheelevägen 2, Lund, Sweden
- Lund Stem Cell Center, Lund University, Medicon Village, Building 404, Scheelevägen 2, Lund, Sweden
- Division of Oncology, Skåne University Hospital, Lund, Sweden
| | - P A Rosenberg
- Department of Neurology and F.M. Kirby Neurobiology Center, Boston Children's Hospital, 300 Longwood Ave, Boston, MA, 02115, USA
- Department of Neurology and Program in Neuroscience, Harvard Medical School, Boston, MA, 02115, USA
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34
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Granzotto A, Sensi SL. Minocycline—A Lesson From a Failure. JAMA Neurol 2020; 77:1037-1038. [DOI: 10.1001/jamaneurol.2020.1154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Alberto Granzotto
- Center for Advanced Studies and Technology, University G. d’Annunzio of Chieti-Pescara, Chieti, Italy
| | - Stefano L. Sensi
- Center for Advanced Studies and Technology, University G. d’Annunzio of Chieti-Pescara, Chieti, Italy
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35
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Kim HN, Seo BR, Kim H, Koh JY. Cilostazol restores autophagy flux in bafilomycin A1-treated, cultured cortical astrocytes through lysosomal reacidification: roles of PKA, zinc and metallothionein 3. Sci Rep 2020; 10:9175. [PMID: 32514052 PMCID: PMC7280249 DOI: 10.1038/s41598-020-66292-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 05/18/2020] [Indexed: 12/21/2022] Open
Abstract
Cilostazol, a phosphodiesterase 3 inhibitor, reduces the amyloid-beta (Aβ) burden in mouse models of Alzheimer disease by as yet unidentified mechanisms. In the present study, we examined the possibility that cilostazol ameliorates lysosomal dysfunction. Astrocytes treated with bafilomycin A1 (BafA1) exhibited markedly reduced DND-189 and acridine orange (AO) fluorescence, indicating reduced lysosomal acidity. In both cases, BafA1-induced alkalization was reversed by addition of cilostazol, dibutyryl cAMP or forskolin. All three agents significantly increased free zinc levels in lysosomes, and addition of the zinc chelator TPEN abrogated lysosomal reacidification. These treatments did not raise free zinc levels or reverse BafA1-mediated lysosomal alkalization in metallothionein 3 (Mt3)-null astrocytes, indicating that the increases in zinc in astrocytes were derived mainly from Mt3. Lastly, in FITC-Aβ-treated astrocytes, cilostazol reversed lysosomal alkalization, increased cathepsin D activity, and reduced Aβ accumulation in astrocytes. Cilostazol also reduced mHtt aggregate formation in GFP-mHttQ74–expressing astrocytes. Collectively, our results present the novel finding that cAMP/PKA can overcome the v-ATPase blocking effect of BafA1 in a zinc- and Mt3-dependent manner.
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Affiliation(s)
- Ha Na Kim
- Neural Injury Lab, Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea
| | - Bo-Ra Seo
- Neural Injury Lab, Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea
| | - Hyunjin Kim
- Department of Neurology, University of Ulsan College of Medicine, Seoul, Korea; Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae-Young Koh
- Department of Neurology, University of Ulsan College of Medicine, Seoul, Korea; Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. .,Neural Injury Lab, Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea.
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36
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Lenahan C, Sanghavi R, Huang L, Zhang JH. Rhodopsin: A Potential Biomarker for Neurodegenerative Diseases. Front Neurosci 2020; 14:326. [PMID: 32351353 PMCID: PMC7175229 DOI: 10.3389/fnins.2020.00326] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 03/19/2020] [Indexed: 12/12/2022] Open
Abstract
Retinal alterations have recently been associated with numerous neurodegenerative diseases. Rhodopsin is a G-protein coupled receptor found in the rod cells of the retina. As a biomarker associated with retinal thinning and degeneration, it bears potential in the early detection and monitoring of several neurodegenerative diseases. In this review article, we summarize the findings of correlations between rhodopsin and several neurodegenerative disorders as well as the potential of a novel technique, cSLO, in the quantification of rhodopsin.
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Affiliation(s)
- Cameron Lenahan
- Burrell College of Osteopathic Medicine, Las Cruces, NM, United States.,Center for Neuroscience Research, Loma Linda University School of Medicine, Loma Linda, CA, United States
| | - Rajvee Sanghavi
- Burrell College of Osteopathic Medicine, Las Cruces, NM, United States
| | - Lei Huang
- Center for Neuroscience Research, Loma Linda University School of Medicine, Loma Linda, CA, United States.,Department of Neurosurgery, Loma Linda University School of Medicine, Loma Linda, CA, United States.,Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, United States
| | - John H Zhang
- Center for Neuroscience Research, Loma Linda University School of Medicine, Loma Linda, CA, United States.,Department of Neurosurgery, Loma Linda University School of Medicine, Loma Linda, CA, United States.,Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, United States.,Department of Anesthesiology, Loma Linda University School of Medicine, Loma Linda, CA, United States
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37
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Brzdak P, Wójcicka O, Zareba-Koziol M, Minge D, Henneberger C, Wlodarczyk J, Mozrzymas JW, Wójtowicz T. Synaptic Potentiation at Basal and Apical Dendrites of Hippocampal Pyramidal Neurons Involves Activation of a Distinct Set of Extracellular and Intracellular Molecular Cues. Cereb Cortex 2020; 29:283-304. [PMID: 29228131 DOI: 10.1093/cercor/bhx324] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 11/07/2017] [Indexed: 12/12/2022] Open
Abstract
In the central nervous system, several forms of experience-dependent plasticity, learning and memory require the activity-dependent control of synaptic efficacy. Despite substantial progress in describing synaptic plasticity, mechanisms related to heterogeneity of synaptic functions at local circuits remain elusive. Here we studied the functional and molecular aspects of hippocampal circuit plasticity by analyzing excitatory synapses at basal and apical dendrites of mouse hippocampal pyramidal cells (CA1 region) in acute brain slices. In the past decade, activity of metalloproteinases (MMPs) has been implicated as a widespread and critical factor in plasticity mechanisms at various projections in the CNS. However, in the present study we discovered that in striking contrast to apical dendrites, synapses located within basal dendrites undergo MMP-independent synaptic potentiation. We demonstrate that synapse-specific molecular pathway allowing MMPs to rapidly upregulate function of NMDARs in stratum radiatum involved protease activated receptor 1 and intracellular kinases and GTPases activity. In contrast, MMP-independent scaling of synaptic strength in stratum oriens involved dopamine D1/D5 receptors and Src kinases. Results of this study reveal that 2 neighboring synaptic systems differ significantly in extracellular and intracellular cascades that control synaptic gain and provide long-searched transduction pathways relevant for MMP-dependent synaptic plasticity.
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Affiliation(s)
- Patrycja Brzdak
- Laboratory of Neuroscience, Department of Biophysics, Wroclaw Medical University, Wroclaw, Poland.,Department of Molecular Physiology and Neurobiology, Wroclaw University, Wroclaw, Poland
| | - Olga Wójcicka
- Laboratory of Neuroscience, Department of Biophysics, Wroclaw Medical University, Wroclaw, Poland
| | - Monika Zareba-Koziol
- Laboratory of Cell Biophysics, Department of Molecular and Cellular Neurobiology, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - Daniel Minge
- Institute of Cellular Neurosciences, University of Bonn Medical School, Bonn, Germany
| | - Christian Henneberger
- Institute of Cellular Neurosciences, University of Bonn Medical School, Bonn, Germany.,Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Institute of Neurology, University College London, London, UK
| | - Jakub Wlodarczyk
- Laboratory of Cell Biophysics, Department of Molecular and Cellular Neurobiology, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - Jerzy W Mozrzymas
- Laboratory of Neuroscience, Department of Biophysics, Wroclaw Medical University, Wroclaw, Poland.,Department of Molecular Physiology and Neurobiology, Wroclaw University, Wroclaw, Poland
| | - Tomasz Wójtowicz
- Laboratory of Neuroscience, Department of Biophysics, Wroclaw Medical University, Wroclaw, Poland
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38
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Jafari F, Amani R, Tarrahi MJ. Effect of Zinc Supplementation on Physical and Psychological Symptoms, Biomarkers of Inflammation, Oxidative Stress, and Brain-Derived Neurotrophic Factor in Young Women with Premenstrual Syndrome: a Randomized, Double-Blind, Placebo-Controlled Trial. Biol Trace Elem Res 2020; 194:89-95. [PMID: 31154571 DOI: 10.1007/s12011-019-01757-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 05/20/2019] [Indexed: 02/08/2023]
Abstract
Zinc is known to have multiple beneficial effects including anti-inflammatory and antioxidant and anti-depressant actions. Data on the effects of zinc supplementation on biomarkers of inflammation, oxidative stress, and antidepressant-like effect among young women with premenstrual syndrome (PMS) are scarce. This study was a randomized, double-blind, placebo-controlled trial. Sixty women (18-30 years) with premenstrual syndrome diagnosed according to 30-item questionnaire were randomly assigned to receive either 30-mg zinc gluconate (group 1; n = 30) and/or placebo (group 2; n = 30) for 12 weeks. Premenstrual syndrome symptoms, total antioxidant capacity, high sensitivity reactive protein, and brain-derived neurotrophic factor were measured at study baseline and after 12-week intervention. After 12 weeks of intervention, PMS physical symptoms (P = 0.03) and psychological symptoms (P = 0.006) significantly decreased in zinc group compared to placebo group. We observed a significant increase in brain-derived neurotrophic factor (P = 0.01) and total antioxidant capacity (P ˂ 0.001) after 12 weeks of intervention with zinc compared to placebo. We failed to find any significant effect of zinc supplementation on high sensitivity reactive protein. Overall, zinc supplementation for 12 weeks among women with premenstrual syndrome had beneficial effects on physical and psychological symptoms of premenstrual syndrome, total antioxidant capacity, and brain-derived neurotrophic factor.
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Affiliation(s)
- Fatemah Jafari
- Department of Clinical Nutrition, Food Security Research Center, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Reza Amani
- Department of Clinical Nutrition, Food Security Research Center, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Mohammad Javad Tarrahi
- Department of Epidemiology and Biostatistics, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
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Wang Z, Zhong XL, Xu Y, He J, Liu ZH, Nai AT, Niu L, Luo SS, Yang H, Zeng JY, He SY, Chen X, Wan W, Cao WY. Irradiation increases brain-derived neurotrophic factor precursor signaling in the mouse hippocampus. Neurobiol Learn Mem 2020; 171:107186. [PMID: 32084558 DOI: 10.1016/j.nlm.2020.107186] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 02/05/2020] [Accepted: 02/10/2020] [Indexed: 01/06/2023]
Affiliation(s)
- Zhen Wang
- Clinical Anatomy & Reproductive Medicine Application Institute, School of Medicine, University of South China, 421001 Hengyang, Hunan, China
| | - Xiao Lin Zhong
- Institute of Clinical Medicine, The First Affiliated Hospital of University of South China, 421001 Hengyang, Hunan, China
| | - Yang Xu
- Institute of Neuroscience, Medical College, University of South China, 421001 Hengyang, Hunan, China
| | - Jie He
- Department of Pathology, Medical College, University of South China, 421001 Hengyang, Hunan, China
| | - Zheng Hai Liu
- Clinical Anatomy & Reproductive Medicine Application Institute, School of Medicine, University of South China, 421001 Hengyang, Hunan, China
| | - Ai Tao Nai
- Department of Radiation Oncology, The First Affiliated Hospital of University of South China, 421001 Hengyang, Hunan, China
| | - Lei Niu
- Clinical Anatomy & Reproductive Medicine Application Institute, School of Medicine, University of South China, 421001 Hengyang, Hunan, China
| | - Shi Shi Luo
- Clinical Anatomy & Reproductive Medicine Application Institute, School of Medicine, University of South China, 421001 Hengyang, Hunan, China
| | - Hui Yang
- Department of Pathology, Medical College, University of South China, 421001 Hengyang, Hunan, China
| | - Jia Yu Zeng
- Clinical Anatomy & Reproductive Medicine Application Institute, School of Medicine, University of South China, 421001 Hengyang, Hunan, China
| | - Shu Ya He
- School of Public Health, University of South China, 421001 Hengyang, Hunan, China
| | - Xi Chen
- Clinical Anatomy & Reproductive Medicine Application Institute, School of Medicine, University of South China, 421001 Hengyang, Hunan, China
| | - Wei Wan
- Clinical Anatomy & Reproductive Medicine Application Institute, School of Medicine, University of South China, 421001 Hengyang, Hunan, China; Key Laboratory of Brain Science Research & Transformation In Tropical Environment of Hainan Province, Hainan Medical University, 571199 Haikou, China.
| | - Wen Yu Cao
- Clinical Anatomy & Reproductive Medicine Application Institute, School of Medicine, University of South China, 421001 Hengyang, Hunan, China.
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40
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Miao Z, Wang Y, Sun Z. The Relationships Between Stress, Mental Disorders, and Epigenetic Regulation of BDNF. Int J Mol Sci 2020; 21:ijms21041375. [PMID: 32085670 PMCID: PMC7073021 DOI: 10.3390/ijms21041375] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/01/2020] [Accepted: 02/15/2020] [Indexed: 12/25/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF), a critical member of the neurotrophic family, plays an important role in multiple stress-related mental disorders. Although alterations in BDNF in multiple brain regions of individuals experiencing stress have been demonstrated in previous studies, it appears that a set of elements are involved in the complex regulation. In this review, we summarize the specific brain regions with altered BDNF expression during stress exposure. How various environmental factors, including both physical and psychological stress, affect the expression of BDNF in specific brain regions are further summarized. Moreover, epigenetic regulation of BDNF, including DNA methylation, histone modification, and noncoding RNA, in response to diverse types of stress, as well as sex differences in the sensitivity of BDNF to the stress response, is also summarized. Clarification of the underlying role of BDNF in the stress process will promote our understanding of the pathology of stress-linked mental disorders and provide a potent target for the future treatment of stress-related illness.
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Affiliation(s)
- Zhuang Miao
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou 325000, China;
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing 100101, China;
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Yan Wang
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing 100101, China;
- School of Life Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Zhongsheng Sun
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou 325000, China;
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing 100101, China;
- School of Life Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
- Correspondence:
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McAllister BB, Bihelek N, Mychasiuk R, Dyck RH. Brain-derived Neurotrophic Factor and TrkB Levels in Mice that Lack Vesicular Zinc: Effects of Age and Sex. Neuroscience 2020; 425:90-100. [PMID: 31785352 DOI: 10.1016/j.neuroscience.2019.11.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 11/05/2019] [Accepted: 11/06/2019] [Indexed: 11/19/2022]
Abstract
In certain neurons, zinc ions are stored in synaptic vesicles by zinc transporter 3 (ZnT3). Vesicular zinc can then be released synaptically to modulate myriad targets. In vitro evidence indicates that these targets may include brain-derived neurotrophic factor (BDNF) and its receptor, tropomyosin receptor kinase B (TrkB). But the effects of vesicular zinc on BDNF and TrkB in the intact brain are unclear. Studies of mice that lack ZnT3 - and, as a result, vesicular zinc - have shown abnormalities in BDNF and TrkB levels, but results have been mixed and are therefore difficult to interpret. This might be caused by differences in the age or sex of mice tested. In the present study, we measured BDNF and TrkB levels in the hippocampus and neocortex, comparing wild type and ZnT3 knockout mice of both sexes at two ages (5 and 12 weeks). We also examined BDNF mRNA expression and protein levels at an intermediate age (8-10 weeks). We found that, regardless of age or sex, BDNF and TrkB protein levels did not differ between wild type and ZnT3 knockout mice. There were sex-specific differences in BDNF protein and mRNA expression, however. BDNF protein levels increased with age in female mice but not in males. And in females, but not males, ZnT3 KO mice exhibited great hippocampal BDNF mRNA expression than wild type mice. We conclude that, at least in naïve mice housed under standard laboratory conditions, elimination of vesicular zinc does not affect BDNF or TrkB protein levels.
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Affiliation(s)
- Brendan B McAllister
- Department of Psychology, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada; Hotchkiss Brain Institute, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada
| | - Nicoline Bihelek
- Department of Psychology, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada; Hotchkiss Brain Institute, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada
| | - Richelle Mychasiuk
- Department of Psychology, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada; Hotchkiss Brain Institute, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada; Alberta Children's Hospital Research Institute, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada
| | - Richard H Dyck
- Department of Psychology, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada; Hotchkiss Brain Institute, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada.
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42
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Nosrati R, Kheirouri S, Ghodsi R, Ojaghi H. The effects of zinc treatment on matrix metalloproteinases: A systematic review. J Trace Elem Med Biol 2019; 56:107-115. [PMID: 31442948 DOI: 10.1016/j.jtemb.2019.08.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 07/31/2019] [Accepted: 08/01/2019] [Indexed: 01/24/2023]
Abstract
BACKGROUND Zinc (Zn) acts as a cofactor of matrix metalloproteinases (MMPs) and is vital for their activity and controlling their expression. Alteration of Zn in the body could affect the expression, activity, and destructive impacts of MMPs. OBJECTIVE This systematic review aimed to summarize existing evidence on the effects of Zn treatment on the expression and activity of MMPs. METHOD International sources from Pub Med, Scopus and Google Scholar were searched for the original and English-language studies, published up to the end of May 2018. RESULTS During the initial search, 179 records were found, and 135 articles of them remained after the exclusion of duplicate articles. 47 studies met the inclusion criteria, after multiple stages of screening and critical reviews of articles. CONCLUSION Approximately 62% of the included studies (29 of 47) showed an inhibitory impact of Zn on MMPs production and activities. The inhibitory or stimulatory effect of Zn on MMPs seems to depend on physiological conditions of the cells or animals used, dose of Zn used, and duration of treatment.
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Affiliation(s)
- Rahmat Nosrati
- Department of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sorayya Kheirouri
- Department of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Ramin Ghodsi
- Department of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Habib Ojaghi
- Department of Ophthalmology, Ardabil University of Medical Sciences, Iran
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43
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Mravunac M, Szymlek-Gay EA, Daly RM, Roberts BR, Formica M, Gianoudis J, O'Connell SL, Nowson CA, Cardoso BR. Greater Circulating Copper Concentrations and Copper/Zinc Ratios are Associated with Lower Psychological Distress, But Not Cognitive Performance, in a Sample of Australian Older Adults. Nutrients 2019; 11:nu11102503. [PMID: 31627408 PMCID: PMC6836146 DOI: 10.3390/nu11102503] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/10/2019] [Accepted: 10/10/2019] [Indexed: 02/06/2023] Open
Abstract
Dyshomeostasis of copper and zinc is linked to neurodegeneration. This study investigated the relationship between circulating copper and zinc and copper/zinc ratios and cognitive function, symptoms of depression and anxiety, and neurotrophic factors in older Australian adults. In this cross-sectional study (n = 139), plasma copper, serum zinc, and neurotrophic factors (brain-derived neurotrophic factor (BDNF), vascular endothelial growth factor, and insulin-like growth factor-1) were assessed. Cognition was assessed using the Cogstate battery and the Behavior Rating Inventory (BRI) of Executive Function (Adult version). Symptoms of anxiety and depression were assessed with the Hospital Anxiety and Depression Scale. Copper (β = −0.024; 95% CI = −0.044, −0.004; p = 0.019) and copper/zinc ratio (β = −1.99; 95% CI = −3.41, −0.57; p = 0.006) were associated with lower depressive symptoms, but not cognition. Plasma copper had a modest positive association with BDNF (β = −0.004; 95% CI = 0.000, 0.007; p = 0.021). Zinc was not associated with any of the outcomes. In conclusion, greater circulating copper concentrations and higher copper/zinc ratios were associated with lower depressive symptoms (but not cognition), with copper also positively associated with BDNF concentration, in a sample of community-dwelling older adults.
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Affiliation(s)
- Michelle Mravunac
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC 3220, Australia.
| | - Ewa A Szymlek-Gay
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC 3220, Australia.
- Nutrition Society of Australia, PO Box 576, Crows Nest, NSW 1585, Australia.
| | - Robin M Daly
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC 3220, Australia.
| | - Blaine R Roberts
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3052, Australia.
| | - Melissa Formica
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC 3220, Australia.
| | - Jenny Gianoudis
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC 3220, Australia.
| | - Stella L O'Connell
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC 3220, Australia.
| | - Caryl A Nowson
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC 3220, Australia.
- Nutrition Society of Australia, PO Box 576, Crows Nest, NSW 1585, Australia.
| | - Barbara R Cardoso
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC 3220, Australia.
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3052, Australia.
- Department of Nutrition, Dietetics and Food, Monash University, Notting Hill, VIC 3128, Australia.
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44
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Martin JW, Chen JC, Neidleman J, Tatsumi K, Hu J, Giudice LC, Greene WC, Roan NR. Potent and rapid activation of tropomyosin-receptor kinase A in endometrial stromal fibroblasts by seminal plasma. Biol Reprod 2019. [PMID: 29518187 DOI: 10.1093/biolre/ioy056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Seminal plasma (SP), the liquid fraction of semen, is not mandatory for conception, but clinical studies suggest that SP improves implantation rates. Prior in vitro studies examining the effects of SP on the endometrium, the site of implantation, surprisingly revealed that SP induces transcriptional profiles associated with neurogenesis. We investigated the presence and activity of neurogenesis pathways in the endometrium, focusing on TrkA, one of the canonical receptors associated with neurotrophic signaling. We demonstrate that TrkA is expressed in the endometrium. To determine if SP activates TrkA signaling, we isolated the two most abundant endometrial cell types-endometrial epithelial cells (eEC) and endometrial stromal fibroblasts (eSF)-and examined TrkA activity in these cells after SP exposure. While SP only moderately activated TrkA in eEC, it potently and rapidly activated TrkA in eSF. This activation occurred in both non-decidualized and decidualized eSF. Blocking this pathway resulted in dysregulation of SP-induced cytokine production by eSF. Surprisingly, while the canonical TrkA agonist nerve growth factor was detected in SP, TrkA activation was principally induced by a 30-100-kDa protein whose identity remains to be established. Our results show that TrkA signaling is highly active in eSF and is rapidly induced by SP.
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Affiliation(s)
- Jeremy W Martin
- Department of Urology, UCSF, San Francisco, California, USA.,Gladstone Institute of Virology and Immunology, UCSF, San Francisco, California, USA
| | - Joseph C Chen
- Department of Obstetrics, Gynecology and Reproductive Sciences, UCSF, San Francisco, California, USA
| | - Jason Neidleman
- Department of Urology, UCSF, San Francisco, California, USA.,Gladstone Institute of Virology and Immunology, UCSF, San Francisco, California, USA
| | - Keiji Tatsumi
- Department of Obstetrics, Gynecology and Reproductive Sciences, UCSF, San Francisco, California, USA.,Department of Gynecology and Obstetrics, National Hospital Organization Osaka National Hospital, Osaka, Japan
| | - James Hu
- Gladstone Institute of Virology and Immunology, UCSF, San Francisco, California, USA
| | - Linda C Giudice
- Department of Obstetrics, Gynecology and Reproductive Sciences, UCSF, San Francisco, California, USA
| | - Warner C Greene
- Gladstone Institute of Virology and Immunology, UCSF, San Francisco, California, USA.,Department of Medicine, Microbiology and Immunology, UCSF, San Francisco, California, USA
| | - Nadia R Roan
- Department of Urology, UCSF, San Francisco, California, USA.,Gladstone Institute of Virology and Immunology, UCSF, San Francisco, California, USA
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45
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Gonzalez MC, Radiske A, Cammarota M. On the Involvement of BDNF Signaling in Memory Reconsolidation. Front Cell Neurosci 2019; 13:383. [PMID: 31507380 PMCID: PMC6713924 DOI: 10.3389/fncel.2019.00383] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/06/2019] [Indexed: 01/24/2023] Open
Abstract
When retrieval occurs concomitantly with novelty detection, mismatch perception or reactivation of conflicting information, consolidated memories can enter into a labile state, and to persist, must be restabilized through a protein synthesis-dependent reconsolidation process during which their strength and content can be modified. Extensive literature implicates brain-derived neurotrophic factor (BDNF), a key regulator of synaptogenesis and synaptic plasticity, in the acquisition, consolidation and extinction of several memory types. However, the participation of BDNF in memory reconsolidation has been less studied. In this review, we discuss recent reports supporting the involvement of BDNF signaling in reactivation-induced memory updating.
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Affiliation(s)
- Maria Carolina Gonzalez
- Memory Research Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Andressa Radiske
- Memory Research Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Martín Cammarota
- Memory Research Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Brazil
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46
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Pradhan J, Noakes PG, Bellingham MC. The Role of Altered BDNF/TrkB Signaling in Amyotrophic Lateral Sclerosis. Front Cell Neurosci 2019; 13:368. [PMID: 31456666 PMCID: PMC6700252 DOI: 10.3389/fncel.2019.00368] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 07/29/2019] [Indexed: 12/11/2022] Open
Abstract
Brain derived neurotrophic factor (BDNF) is well recognized for its neuroprotective functions, via activation of its high affinity receptor, tropomysin related kinase B (TrkB). In addition, BDNF/TrkB neuroprotective functions can also be elicited indirectly via activation of adenosine 2A receptors (A2aRs), which in turn transactivates TrkB. Evidence suggests that alterations in BDNF/TrkB, including TrkB transactivation by A2aRs, can occur in several neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS). Although enhancing BDNF has been a major goal for protection of dying motor neurons (MNs), this has not been successful. Indeed, there is emerging in vitro and in vivo evidence suggesting that an upregulation of BDNF/TrkB can cause detrimental effects on MNs, making them more vulnerable to pathophysiological insults. For example, in ALS, early synaptic hyper-excitability of MNs is thought to enhance BDNF-mediated signaling, thereby causing glutamate excitotoxicity, and ultimately MN death. Moreover, direct inhibition of TrkB and A2aRs has been shown to protect MNs from these pathophysiological insults, suggesting that modulation of BDNF/TrkB and/or A2aRs receptors may be important in early disease pathogenesis in ALS. This review highlights the relevance of pathophysiological actions of BDNF/TrkB under certain circumstances, so that manipulation of BDNF/TrkB and A2aRs may give rise to alternate neuroprotective therapeutic strategies in the treatment of neural diseases such as ALS.
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Affiliation(s)
- Jonu Pradhan
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Peter G Noakes
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia.,Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Mark C Bellingham
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
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47
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MMP-9-BDNF pathway is implicated in cognitive impairment of male individuals with methamphetamine addiction during early withdrawal. Behav Brain Res 2019; 366:29-35. [DOI: 10.1016/j.bbr.2019.03.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 03/04/2019] [Accepted: 03/11/2019] [Indexed: 12/23/2022]
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48
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Corvaglia V, Cilli D, Scopa C, Brandi R, Arisi I, Malerba F, La Regina F, Scardigli R, Cattaneo A. ProNGF Is a Cell-Type-Specific Mitogen for Adult Hippocampal and for Induced Neural Stem Cells. Stem Cells 2019; 37:1223-1237. [PMID: 31132299 DOI: 10.1002/stem.3037] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/16/2019] [Accepted: 03/12/2019] [Indexed: 12/23/2022]
Abstract
The role of proNGF, the precursor of nerve growth factor (NGF), in the biology of adult neural stem cells (aNSCs) is still unclear. Here, we analyzed adult hippocampal neurogenesis in AD11 transgenic mice, in which the constitutive expression of anti-NGF antibody leads to an imbalance of proNGF over mature NGF. We found increased proliferation of progenitors but a reduced neurogenesis in the AD11 dentate gyrus (DG)-hippocampus (HP). Also in vitro, AD11 hippocampal neural stem cells (NSCs) proliferated more, but were unable to differentiate into morphologically mature neurons. By treating wild-type hippocampal progenitors with the uncleavable form of proNGF (proNGF-KR), we demonstrated that proNGF acts as mitogen on aNSCs at low concentration. The mitogenic effect of proNGF was specifically addressed to the radial glia-like (RGL) stem cells through the induction of cyclin D1 expression. These cells express high levels of p75NTR , as demonstrated by immunofluorescence analyses performed ex vivo on RGL cells isolated from freshly dissociated HP-DG or selected in vitro from NSCs by leukemia inhibitory factor. Clonogenic assay performed in the absence of mitogens showed that RGLs respond to proNGF-KR by reactivating their proliferation and thus leading to neurospheres formation. The mitogenic effect of proNGF was further exploited in the expansion of mouse-induced neural stem cells (iNSCs). Chronic exposure of iNSCs to proNGF-KR increased their proliferation. Altogether, we demonstrated that proNGF acts as mitogen on hippocampal and iNSCs. Stem Cells 2019;37:1223-1237.
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Affiliation(s)
- Valerio Corvaglia
- Scuola Normale Superiore, Italy.,European Brain Research Institute (EBRI), Italy
| | - Domenica Cilli
- European Brain Research Institute (EBRI), Italy.,Consiglio Nazionale delle Ricerche (CNR), Institute of Translational Pharmacology, Italy
| | - Chiara Scopa
- European Brain Research Institute (EBRI), Italy.,Department of Biology, University "Roma Tre", Italy
| | | | - Ivan Arisi
- European Brain Research Institute (EBRI), Italy
| | - Francesca Malerba
- Scuola Normale Superiore, Italy.,European Brain Research Institute (EBRI), Italy
| | | | - Raffaella Scardigli
- European Brain Research Institute (EBRI), Italy.,Consiglio Nazionale delle Ricerche (CNR), Institute of Translational Pharmacology, Italy
| | - Antonino Cattaneo
- Scuola Normale Superiore, Italy.,European Brain Research Institute (EBRI), Italy
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49
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Sun ZQ, Meng FH, Tu LX, Sun L. Myricetin attenuates the severity of seizures and neuroapoptosis in pentylenetetrazole kindled mice by regulating the of BDNF-TrkB signaling pathway and modulating matrix metalloproteinase-9 and GABA A. Exp Ther Med 2019; 17:3083-3091. [PMID: 30906480 PMCID: PMC6425265 DOI: 10.3892/etm.2019.7282] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 10/19/2018] [Indexed: 12/21/2022] Open
Abstract
Currently available antiepileptic drugs are effective; however, frequently associated with adverse effects that limit their therapeutic value. Compounds that target the molecular events underlying epilepsy, with minor or no adverse effects, would be of clinical value. Matrix metalloproteinase-9 (MMP-9) and the brain-derived neurotrophic factor (BDNF)-tropomyosin receptor kinase B (TrkB) signaling pathway may be involved in epileptogenesis. The current study investigated the effects of the plant-derived hydroxyflavone, myricetin, in a pentylenetetrazole (PTZ)-induced mouse model of epilepsy. Mice received an intraperitoneal injection of 35 mg/kg body weight PTZ on alternate days (13 injections) and were observed for 30 min following each PTZ injection. Myricetin (100 or 200 mg/kg body weight) was administered orally to the treatment groups (n=18/group) for 26 days, 30 min prior to each PTZ injection. Treatment with myricetin reduced seizure and mortality rates. Increased apoptotic cell count and elevated expression levels of apoptotic proteins caused by PTZ kindling were downregulated following treatment with myricetin. The BDNF-TrkB signaling pathway and MMP-9 expression levels were regulated by myricetin. Expression of γ-aminobutyric acid A (GABA) receptor and glutamic acid decarboxylase 65, as well as the glutamate/GABA balance, were restored following treatment with myricetin. The results of the present study indicated that myricetin may exert protective effects by regulating the molecular events associated with epileptogenesis.
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Affiliation(s)
- Zhi-Qing Sun
- Department of Neurology, Linyi People's Hospital, Linyi, Shandong 276003, P.R. China
| | - Fan-Hua Meng
- Department of Neurology, Linyi People's Hospital, Linyi, Shandong 276003, P.R. China
| | - Li-Xiang Tu
- Department of Infectious Disease, Linyi People's Hospital, Linyi, Shandong 276003, P.R. China
| | - Lei Sun
- Department of Emergency, Hedong People's Hospital, Linyi, Shandong 276000, P.R. China
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50
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McGregor CE, English AW. The Role of BDNF in Peripheral Nerve Regeneration: Activity-Dependent Treatments and Val66Met. Front Cell Neurosci 2019; 12:522. [PMID: 30687012 PMCID: PMC6336700 DOI: 10.3389/fncel.2018.00522] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/14/2018] [Indexed: 11/29/2022] Open
Abstract
Despite the ability of peripheral nerves to spontaneously regenerate after injury, recovery is generally very poor. The neurotrophins have emerged as an important modulator of axon regeneration, particularly brain derived neurotrophic factor (BDNF). BDNF regulation and signaling, as well as its role in activity-dependent treatments including electrical stimulation, exercise, and optogenetic stimulation are discussed here. The importance of a single nucleotide polymorphism in the BDNF gene, Val66Met, which is present in 30% of the human population and may hinder the efficacy of these treatments in enhancing regeneration after injury is considered. Preliminary data are presented on the effectiveness of one such activity-dependent treatment, electrical stimulation, in enhancing axon regeneration in mice expressing the met allele of the Val66Met polymorphism.
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Affiliation(s)
- Claire Emma McGregor
- Department of Cell Biology, Emory University School of Medicine, Atlanta, GA, United States
| | - Arthur W English
- Department of Cell Biology, Emory University School of Medicine, Atlanta, GA, United States
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