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brain-derived neurotrophic factor

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https://www.readbyqxmd.com/read/28110215/neuroprotective-action-of-n-acetyl-serotonin-in-oxidative-stress-induced-apoptosis-through-the-activation-of-both-trkb-creb-bdnf-pathway-and-akt-nrf2-antioxidant-enzyme-in-neuronal-cells
#1
Jae-Myung Yoo, Bo Dam Lee, Dai-Eun Sok, Jin Yuel Ma, Mee Ree Kim
N-acetyl serotonin (NAS) as a melatonin precursor has neuroprotective actions. Nonetheless, it is not clarified how NAS protects neuronal cells against oxidative stress. Recently, we have reported that N-palmitoyl serotonins possessed properties of antioxidants and neuroprotection. Based on those, we hypothesized that NAS, a N-acyl serotonin, may have similar actions in oxidative stress-induced neuronal cells, and examined the effects of NAS based on in vitro and in vivo tests. NAS dose-dependently inhibited oxidative stress-induced cell death in HT-22 cells...
January 6, 2017: Redox Biology
https://www.readbyqxmd.com/read/28109286/acetaminophen-attenuates-lipopolysaccharide-induced-cognitive-impairment-through-antioxidant-activity
#2
Wei-Xing Zhao, Jun-Han Zhang, Jiang-Bei Cao, Wei Wang, Dong-Xin Wang, Xiao-Ying Zhang, Jun Yu, Yong-Yi Zhang, You-Zhi Zhang, Wei-Dong Mi
BACKGROUND: Considerable evidence has shown that neuroinflammation and oxidative stress play an important role in the pathophysiology of postoperative cognitive dysfunction (POCD) and other progressive neurodegenerative disorders. Increasing evidence suggests that acetaminophen (APAP) has unappreciated antioxidant and anti-inflammatory properties. However, the impact of APAP on the cognitive sequelae of inflammatory and oxidative stress is unknown. The objective of this study is to explore whether APAP could have neuroprotective effects on lipopolysaccharide (LPS)-induced cognitive impairment in mice...
January 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28109109/-role-of-camp-creb-bdnf-signaling-pathway-in-anti-depressive-effect-of-vortioxetine-in-mice
#3
Hui Yu, Jia-Jia Chen, Bing-Qing Zeng, Qiu-Ping Zhong, Jiang-Ping Xu, Yong-Gang Liu
OBJECTIVE: To investigate the effects of vortioxetine on cAMP/CREB/BDNF signal pathway. METHODS: Forty Kunming mice were randomized into control group and chronic unpredictable mild stress (CUMS) group. After establishment of depressive models verified by sucrose preference test, the mice in CUMS group were divided into model group, fluoxetine group and vortioxetine group. The antidepressive effect of vortioxetine was analyzed by tail suspension test, forced swim test and open field test...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28108322/effect-of-zbd-2-on-chronic-pain-depressive-like-behaviors-and-recovery-of-motor-function-following-spinal-cord-injury-in-mice
#4
Xiao-Ming Li, Jia Meng, Lin Tao Li, Ting Guo, Liu-Kun Yang, Qi-Xin Shi, Xu-Bo Li, Yong Chen, Qi Yang, Jian-Ning Zhao
In addition to debilitating sensory and motor deficits, patients with spinal cord injury (SCI) may experience chronic hyperpathic pain (SCI-pain). Recent studies have revealed that translocator protein (TSPO) is involved in repairing neural cells as well as reducing anxiety and depression. However, the role of TSPO in SCI-pain and pain-induced depression remains unknown. The present study aimed to determine the effects of a new TSPO ligand, ZBD-2, on SCI-pain and consequent pain-induced depressive-like behaviors in mice...
January 17, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28108255/regular-exercise-promotes-memory-function-and-enhances-hippocampal-neuroplasticity-in-experimental-autoimmune-encephalomyelitis-mice
#5
Tae-Woon Kim, Yun-Hee Sung
Multiple sclerosis (MS) is a progressive condition affecting the central nervous system (CNS), and is characterized by the development of demyelinated lesions and plaques in the brain and spinal cord. Exercise is beneficial against dementia in elderly patients, so we investigated the effects of exercise on memory in relation to hippocampal demyelination and neuroplasticity in a mouse model of MS (experimental autoimmune encephalomyelitis [EAE]). Mice were randomly divided into three groups: Sham, EAE, and EAE and exercise (EAE+EX)...
January 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28105978/simultaneous-transplantation-of-fetal-ventral-mesencephalic-tissue-and-encapsulated-genetically-modified-cells-releasing-gdnf-in-a-hemi-parkinsonian-rat-model-of-parkinson-s-disease
#6
Alberto Perez-Bouza, Stefano Di, Stefanie Seiler, Morten Meyer, Lukas Andereggen, Alexander Huber, Raphael Guzman, Hans R
Transplantation of fetal ventral mesencephalic (VM) neurons for Parkinson's disease (PD) is limited by poor survival and suboptimal integration of grafted tissue into the host brain. In a 6-OHDA rat model of PD we investigated the feasibility of simultaneous transplantation of rat fetal VM tissue and polymer-encapsulated C2C12 myoblasts genetically modified to produce glial cell line-derived neurotrophic factor or mocktransfected myoblasts on graft function. Amphetamine-induced rotations were assessed prior and 2, 4, 6 and 9 weeks post-transplantation...
January 20, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28102045/inflammatory-profile-discriminates-clinical-subtypes-in-lrrk2-associated-parkinson-s-disease
#7
K Brockmann, C Schulte, N Schneiderhan-Marra, A Apel, C Pont-Sunyer, D Vilas, J Ruiz-Martinez, M Langkamp, J-C Corvol, F Cormier, T Knorpp, T O Joos, A Bernard, T Gasser, C Marras, B Schüle, J O Aasly, T Foroud, J F Marti-Masso, A Brice, E Tolosa, D Berg, W Maetzler
BACKGROUND AND PURPOSE: The presentation of Parkinson's disease patients with mutations in the LRRK2 gene (PDLRRK2 ) is highly variable, suggesting a strong influence of modifying factors. In this context, inflammation is a potential candidate inducing clinical subtypes. METHODS: An extensive battery of peripheral inflammatory markers was measured in human serum in a multicentre cohort of 142 PDLRRK2 patients from the MJFF LRRK2 Consortium, stratified by three different subtypes as recently proposed for idiopathic Parkinson's disease: diffuse/malignant, intermediate and mainly pure motor...
February 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28101532/overexpression-of-brain-derived-neurotrophic-factor-protects-large-retinal-ganglion-cells-after-optic-nerve-crush-in-mice
#8
Liang Feng, Zhen Puyang, Hui Chen, Peiji Liang, John B Troy, Xiaorong Liu
Brain-derived neurotrophic factor (BDNF), a neurotrophin essential for neuron survival and function, plays an important role in neuroprotection during neurodegenerative diseases. In this study, we examined whether a modest increase of retinal BDNF promotes retinal ganglion cell (RGC) survival after acute injury of the optic nerve in mice. We adopted an inducible Cre-recombinase transgenic system to up-regulate BDNF in the mouse retina and then examined RGC survival after optic nerve crush by in vivo imaging...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28101164/paeoniflorin-attenuates-hippocampal-damage-in-a-rat-model-of-vascular-dementia
#9
Ying Zhang, Li-Li Wang, Yan Wu, Ning Wang, Shang-Ming Wang, Bin Zhang, Cui-Ge Shi, Shu-Cheng Zhang
Paeoniflorn (PF), the principal bioactive component of Paeoniae radix prescribed in traditional Chinese medicine, possesses a wide range of biological effects and exhibits neuroprotective effects in numerous diseases. Previous studies have demonstrated that PF significantly attenuates memory impairment in rats with vascular dementia (VD). In the present study, a bilateral common carotid artery occlusion (BCCAO) rat model was used to explore the underlying mechanisms of PF. The expression levels of neuron-specific enolase (NSE), S100β, B-cell lymphoma 2 (Bcl-2), Bcl-2 associated X protein, cytochrome c and brain-derived neurotrophic factor (BDNF) in the hippocampus were measured by western blot analysis...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28101102/brain-derived-neurotrophic-factor-serum-levels-and-hippocampal-volume-in-mild-cognitive-impairment-and-dementia-due-to-alzheimer-disease
#10
Ericksen Mielle Borba, Juliana Avila Duarte, Giovana Bristot, Ellen Scotton, Ana Luiza Camozzato, Márcia Lorena Fagundes Chaves
BACKGROUND/AIMS: Hippocampal atrophy is a recognized biomarker of Alzheimer disease (AD) pathology. Serum brain-derived neurotrophic factor (BDNF) reduction has been associated with neurodegeneration. We aimed to evaluate BDNF serum levels and hippocampal volume in clinical AD (dementia and mild cognitive impairment [MCI]). METHODS: Participants were 10 patients with MCI and 13 with dementia due to AD as well as 10 healthy controls. BDNF serum levels were determined by ELISA and volumetric measures with NeuroQuant®...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/28100419/redox-dysregulation-immuno-inflammatory-alterations-and-genetic-variants-of-bdnf-and-mmp-9-in-schizophrenia-pathophysiological-and-phenotypic-implications
#11
Fahmy T Ali, Eman M Abd El-Azeem, Marwa A Hamed, Mohamed A M Ali, Nour M Abd Al-Kader, Ekrami A Hassan
BACKGROUND: Although a clear mechanism underlying the pathophysiology of schizophrenia (SZ) remains elusive, oxidative stress, inflammatory syndrome and immune activation have become an attractive hypothesis for explaining the pathophysiology of SZ. Data from prior studies on the role of matrix metalloproteinase 9 (MMP-9) and brain-derived neurotrophic factor (BDNF) single nucleotide polymorphisms (SNPs) in SZ are contradictory. We aimed to investigate whether oxidative stress, inflammatory and immune activation markers as well as MMP-9 levels may be implicated in SZ pathogenesis...
January 15, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28100329/-protective-effect-of-histone-acetylation-against-cortical-injury-in-neonatal-rats
#12
Ji-Chong Huang, Ya-Fei Li, Feng-Yan Zhao, Yi Qu, De-Zhi Mu
OBJECTIVE: To investigate the protective effect of histone acetylation against hypoxic-ischemic cortical injury in neonatal rats. METHODS: A total of 90 neonatal rats aged 3 days were divided into three groups: sham-operation, cortical injury model, and sodium butyrate (a histone deacetylase inhibitor) treatment. The rats in the model and the sodium butyrate treatment groups were intraperitoneally injected with lipopolysaccharide (0.05 mg/kg), and then right common carotid artery ligation was performed 2 hours later and the rats were put in a hypoxic chamber (oxygen concentration 6...
January 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28100103/systematic-review-of-genetic-risk-factors-for-sustaining-a-mild-traumatic-brain-injury
#13
William Panenka, Andrew Gardner, Michael Dretsch, Gogce Crynen, Fiona C Crawford, Grant L Iverson
INTRODUCTION: This systematic review examined the association between genetics and risk for sustaining a traumatic brain injury. METHODS: Articles published in English from 1980 to July 2016 obtained from the online databases PubMed, PsycINFO®, MEDLINE®, EMBASE, and Web of Science. RESULTS: 5,903 articles were identified, 77 underwent full-text screening, and six were included in this review. Five studies examined the risk of concussion associated with Apolipoprotein E alleles (APOE-ε2 ,ε3 ,ε4,), and polymorphisms of the APOE promoter (rs405509), Brain Derived Neurotrophic Factor (BDNF, rs6265), and Dopamine Receptor D2 (DRD2, rs1800497) were each considered in two studies...
January 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28099630/the-brain-derived-neurotrophic-factor-bdnf-gene-val66met-polymorphism-affects-memory-performance-in-older-adults
#14
Lucas A de Azeredo, Tatiana De Nardi, Mateus L Levandowski, Saulo G Tractenberg, Julia Kommers-Molina, Andrea Wieck, Tatiana Q Irigaray, Irênio G da Silva, Rodrigo Grassi-Oliveira
Objective: Memory impairment is an important contributor to the reduction in quality of life experienced by older adults, and genetic risk factors seem to contribute to variance in age-related cognitive decline. Brain-derived neurotrophic factor (BDNF) is an important nerve growth factor linked with development and neural plasticity. The Val66Met polymorphism in the BDNF gene has been associated with impaired episodic memory in adults, but whether this functional variant plays a role in cognitive aging remains unclear...
January 12, 2017: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/28099138/role-of-glial-cell-line-derived-neurotrophic-factor-in-the-pathogenesis-and-treatment-of-mood-disorders
#15
Anton S Tsybko, Tatiana V Ilchibaeva, Nina K Popova
Glial cell line-derived neurotrophic factor (GDNF) is widely recognized as a survival factor for dopaminergic neurons, but GDNF has also been shown to promote development, differentiation, and protection of other central nervous system neurons and was thought to play an important role in various neuropsychiatric disorders. Severe mood disorders, such as primarily major depressive disorder and bipolar affective disorder, attract particular attention. These psychopathologies are characterized by structural alterations accompanied by the dysregulation of neuroprotective and neurotrophic signaling mechanisms required for the maturation, growth, and survival of neurons and glia...
January 18, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28098876/bdnf-regulates-the-expression-and-secretion-of-vegf-from-osteoblasts-via-the-trkb-erk1-2-signaling-pathway-during-fracture-healing
#16
Zitao Zhang, Yan Zhang, Zhengnan Zhou, Hongfei Shi, Xusheng Qiu, Jin Xiong, Yixin Chen
Brain‑derived neurotrophic factor (BDNF), a member of the neurotropic family, is expressed in osteoblast‑like cells of a fracture callus, however, its role in fracture healing remains to be fully elucidated. Osteoblasts isolated from Sprague Dawley rats were stimulated by BDNF in a dose‑ and time‑dependent manner. Immunoblotting and immunofluorescence was used to detect the expression and distribution of targeted proteins. The concentration of vascular endothelial growth factor (VEGF) released in medium was determined using an ELISA...
January 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098423/brain-derived-neurotrophic-factor-attenuates-doxorubicin-induced-cardiac-dysfunction-through-activating-akt-signalling-in-rats
#17
Pengzhou Hang, Jing Zhao, Li Sun, Minghui Li, Yu Han, Zhimin Du, Yue Li
The clinical application of doxorubicin (Dox) is limited by its adverse effect of cardiotoxicity. Previous studies have suggested the cardioprotective effect of brain-derived neurotrophic factor (BDNF). We hypothesize that BDNF could protect against Dox-induced cardiotoxicity. Sprague Dawley rats were injected with Dox (2.5 mg/kg, 3 times/week, i.p.), in the presence or absence of recombinant BDNF (0.4 μg/kg, i.v.) for 2 weeks. H9c2 cells were treated with Dox (1 μM) and/or BDNF (400 ng/ml) for 24 hrs. Functional roles of BDNF against Dox-induced cardiac injury were examined both in vivo and in vitro...
November 7, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28097465/hydroxysafflor-yellow-a-improves-motor-dysfunction-in-the-rotenone-induced-mice-model-of-parkinson-s-disease
#18
Tian Wang, Lijie Wang, Cuiting Li, Bing Han, Zhenhua Wang, Ji Li, Yan Lv, Shuyun Wang, Fenghua Fu
Dopamine D3 receptor (DRD3) is diminished in patients of Parkinson's disease (PD). Brain-derived neurotrophic factor (BDNF) is responsible for regulating expression of the DRD3 in the brain. Our previous study showed that hydroxysafflor yellow A (HSYA) could increase BDNF content in the striatum of PD mice. This experiment aimed to evaluate whether HSYA can improve the motor dysfunction induced by rotenone through regulating the BDNF/TrkB/DRD3 signaling pathway in mice. Male C57/BL6 mice were intraperitoneally treated with HSYA...
January 17, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28096878/reversion-of-bdnf-akt-and-creb-in-hippocampus-of-chronic-unpredictable-stress-induced-rats-effects-of-phytochemical-bacopa-monnieri
#19
Somoday Hazra, Sourav Kumar, Goutam Kumar Saha, Amal Chandra Mondal
OBJECTIVE: The aims of the present study were to explore the behavioural effects and to understand the possible mode of action of Bacopa monnieri extract (BME) on chronic unpredictable stress (CUS) induced depressive model and the biochemical alterations such as brain derived neurotrophic factor (BDNF), Akt, cyclic-AMP response element binding (CREB) protein level in the hippocampus of rats. METHODS: We examined the effects of chronic administration of BME on CUS exposed rats for 28 days...
January 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28096497/bdnf-regains-function-in-hippocampal-long-term-potentiation-deficits-caused-by-diencephalic-damage
#20
Lindsey C Vedder, Lisa M Savage
Thiamine deficiency (TD), commonly associated with chronic alcoholism, leads to diencephalic damage, hippocampal dysfunction, and spatial learning and memory deficits. We show a decrease in the magnitude of long-term potentiation (LTP) and paired-pulse facilitation (PPF) at CA3-CA1 synapses, independent of sex, following diencephalic damage induced by TD in rats. Thus, despite a lack of extensive hippocampal cell loss, diencephalic brain damage down-regulates plastic processes within the hippocampus, likely contributing to impaired hippocampal-dependent behaviors...
February 2017: Learning & Memory
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