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Brain Derived Growth Factor

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https://www.readbyqxmd.com/read/28822835/neuroprotective-effects-of-acetyl-l-carnitine-on-lipopolysaccharide-induced-neuroinflammation-in-mice-involvement-of-brain-derived-neurotrophic-factor
#1
Filiz Kazak, Gul Fatma Yarim
Neuroinflammation is the inflammation of nervous tissue that can lead to neurodegeneration. Brain-derived neurotrophic factor (BDNF) is a neurotrophin which affects growth, function and survival of neurons, enhances the stabilization of synapses, regulates synaptic function and branching of dendrites and axons. Brain-derived neurotrophic factor is believed to be involved in the pathophysiology of central nervous system (CNS) diseases associated with neuroinflamation. The aim of this study was to investigate new protective and therapeutic effect of acetyl-L-carnitine (ALCAR) in neuroinflammation...
August 16, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28817455/jak-kinase-3-signaling-in-microgliogenesis-from-the-spinal-nestin-progenitors-in-both-development-and-response-to-injury
#2
Sumit Barua, Jee-In Chung, A Young Kim, Soo-Yeon Lee, Soo Hwan Lee, Eun Joo Baik
During spinal cord development, endogenous progenitors expressing nestin can migrate into the target and differentiate into neurons and other glial cells. Microglial cells can also be derived from nestin progenitor cells, even in the adult brain. Knockdown of Jak kinase 3 (Jak3) signaling can increase neurogenesis with longer neurite outgrowth in cortical progenitor cells. This study investigated the effect of Jak3 signaling on differentiation from nestin progenitor cells using E13.5 spinal progenitor cell cultures...
August 16, 2017: Neuroreport
https://www.readbyqxmd.com/read/28817120/the-erythropoietin-derived-peptide-mk-x-and-erythropoietin-have-neuroprotective-effects-against-ischemic-brain-damage
#3
Seung-Jun Yoo, Bongki Cho, Deokho Lee, Gowoon Son, Yeong-Bae Lee, Hyung Soo Han, Eunjoo Kim, Chanil Moon, Cheil Moon
Erythropoietin (EPO) has been well known as a hematopoietic cytokine over the past decades. However, recent reports have demonstrated that EPO plays a neuroprotective role in the central nervous system, and EPO has been considered as a therapeutic target in neurodegenerative diseases such as ischemic stroke. Despite the neuroprotective effect of EPO, clinical trials have shown its unexpected side effects, including undesirable proliferative effects such as erythropoiesis and tumor growth. Therefore, the development of EPO analogs that would confer neuroprotection without adverse effects has been attempted...
August 17, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28812231/the-neuroprotective-effect-of-conditioned-medium-from-human-adipose-derived-mesenchymal-stem-cells-is-impaired-by-n-acetyl-cysteine-supplementation
#4
Teodoro Palomares, María Cordero, Cristina Bruzos-Cidon, María Torrecilla, Luisa Ugedo, Ana Alonso-Varona
Oxidative stress is a common feature in neurodegenerative diseases associated with neuroinflammation, and therefore, has been proposed as a key target for novel therapies for these diseases. Recently, adipose-derived stem cell (ASC)-based cell therapy has emerged as a novel strategy for neuroprotection. In this study, we evaluate the therapeutic role of ASC-conditioned medium (ASC-CM) against H2O2-induced neurotoxicity in a new in vitro model of ec23/brain-derived neurotrophic factor (BDNF)-differentiated human SH-SY5Y neuron-like cells (SH-SY5Yd)...
August 15, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28812058/environmental-pollutants-and-neurodevelopment-review-of-benefits-from-closure-of-a-coal-burning-power-plant-in-tongliang-china
#5
Vrinda Kalia, Frederica Perera, Deliang Tang
Background. Understanding preventable causes of neurodevelopmental disorders is a public health priority. Polycyclic aromatic hydrocarbons (PAH) from combustion of fossil fuel, lead, and mercury are among known neurodevelopmental toxicants. Method. For the first time, we comprehensively review the findings from a study by the Columbia Center for Children's Environmental Health and Chinese partners that followed 2 groups of mother-child pairs, one from 2002 and another from 2005, in Tongliang County, China. Pregnant mothers in the 2 cohorts experienced different exposure to PAH because a local coal-burning power plant was shut down in 2004...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28810156/more-inflammation-but-less-brain-derived-neurotrophic-factor-in-antisocial-personality-disorder
#6
Tzu-Yun Wang, Sheng-Yu Lee, Ming-Chuan Hu, Shiou-Lan Chen, Yun-Hsuan Chang, Chun-Hsien Chu, Shih-Hsien Lin, Chia-Ling Li, Liang-Jen Wang, Po See Chen, Shih-Heng Chen, San-Yuan Huang, Nian-Sheng Tzeng, I Hui Lee, Kao Chin Chen, Yen Kuang Yang, Jau-Shyong Hong, Ru-Band Lu
Antisocial personality disorder (ASPD) is highly comorbid with substance use disorders (SUDs). We hypothesize that chronic neuroinflammation and the loss of neurotrophic factors prompts the pathogenesis of both disorders. We used ELISA to measure plasma levels of proinflammatory (tumor necrosis factor-α [TNF-α], C-reactive protein [CRP]) and anti-inflammatory factors (transforming growth factor-β1 [TGF-β1] and interleukin-10 [IL-10]), and brain-derived neurotrophic factor (BDNF) in male patients with ASPD (n=74), SUDs (n=168), ASPD comorbid with SUDs (ASPD+SUDs) (n=438), and Healthy Controls (HCs) (n=81)...
August 5, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28806136/harnessing-olig2-function-in-tumorigenicity-and-plasticity-to-target-malignant-gliomas
#7
Jennifer Kosty, Fanghui Lu, Robert Kupp, Shwetal Mehta, Q Richard Lu
Glioblastoma (GBM) is the most prevalent and malignant brain tumor, displaying notorious resistance to conventional therapy, partially due to molecular and genetic heterogeneity. Understanding the mechanisms for gliomagenesis, tumor stem/progenitor cell propagation and phenotypic diversity is critical for devising effective and targeted therapy for this lethal disease. The basic helix-loop-helix transcription factor OLIG2, which is universally expressed in gliomas, has emerged as an important player in GBM cell reprogramming, genotoxic resistance, and tumor phenotype plasticity...
August 14, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28800076/human-dental-pulp-cells-differentiate-toward-neuronal-cells-and-promote-neuroregeneration-in-adult-organotypic-hippocampal-slices-in-vitro
#8
Li Xiao, Ryoji Ide, Chikako Saiki, Yasuo Kumazawa, Hisashi Okamura
The adult mammalian central nerve system has fundamental difficulties regarding effective neuroregeneration. The aim of this study is to investigate whether human dental pulp cells (DPCs) can promote neuroregeneration by (i) being differentiated toward neuronal cells and/or (ii) stimulating local neurogenesis in the adult hippocampus. Using immunostaining, we demonstrated that adult human dental pulp contains multipotent DPCs, including STRO-1, CD146 and P75-positive stem cells. DPC-formed spheroids were able to differentiate into neuronal, vascular, osteogenic and cartilaginous lineages under osteogenic induction...
August 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28798775/maintenance-of-a-schwann-like-phenotype-in-differentiated-adipose-derived-stem-cells-requires-the-synergistic-action-of-multiple-growth-factors
#9
Alice E Mortimer, Alessandro Faroni, Mahmut A Kilic, Adam J Reid
Differentiating human adipose-derived stem cells (ASCs) towards Schwann cells produces an unstable phenotype when stimulating factors are withdrawn. Here, we set out to examine the role of glial growth factor 2 (GGF-2) in the maintenance of Schwann-like cells. Following ASC differentiation to Schwann-like cells, stimulating factors were withdrawn such that cells either remained in media supplemented with all stimulating factors, GGF-2 alone, or underwent complete withdrawal of all factors. Furthermore, each stimulating factor was also removed from the growth medium individually...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28797603/chronic-traumatic-stress-impairs-memory-in-mice-potential-roles-of-acetylcholine-neuroinflammation-and-corticotropin-releasing-factor-expression-in-the-hippocampus
#10
Ami Bhakta, Kartheek Gavini, Euitaek Yang, Lani Lyman-Henley, Kodeeswaran Parameshwaran
Chronic stress in humans can result in multiple adverse psychiatric and neurobiological outcomes, including memory deficits. These adverse outcomes can be more severe if each episode of stress is very traumatic. When compared to acute or short term stress relatively little is known about the effects of chronic traumatic stress on memory and molecular changes in hippocampus, a brain area involved in memory processing. Here we studied the effects of chronic traumatic stress in mice by exposing them to adult Long Evan rats for 28 consecutive days and subsequently analyzing behavioral outcomes and the changes in the hippocampus...
August 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28797294/the-anti-vascular-endothelial-growth-factor-receptor-1-monoclonal-antibody-d16f7-inhibits-invasiveness-of-human-glioblastoma-and-glioblastoma-stem-cells
#11
Maria Grazia Atzori, Lucio Tentori, Federica Ruffini, Claudia Ceci, Lucia Lisi, Elena Bonanno, Manuel Scimeca, Eskil Eskilsson, Thomas Daubon, Hrvoje Miletic, Lucia Ricci Vitiani, Roberto Pallini, Pierluigi Navarra, Rolf Bjerkvig, Stefania D'Atri, Pedro Miguel Lacal, Grazia Graziani
BACKGROUND: Glioblastoma (GBM) is a highly migratory, invasive, and angiogenic brain tumor. Like vascular endothelial growth factor-A (VEGF-A), placental growth factor (PlGF) promotes GBM angiogenesis. VEGF-A is a ligand for both VEGF receptor-1 (VEGFR-1) and VEGFR-2, while PlGF interacts exclusively with VEGFR-1. We recently generated the novel anti-VEGFR-1 monoclonal antibody (mAb) D16F7 that diminishes VEGFR-1 homodimerization/activation without affecting VEGF-A and PlGF binding. METHODS: In the present study, we evaluated the expression of VEGFR-1 in human GBM tissue samples (n = 42) by immunohistochemistry, in cell lines (n = 6) and GBM stem cells (GSCs) (n = 18) by qRT-PCR and/or western blot analysis...
August 10, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28795363/fibroblast-growth-factor-type-1-fgf1-overexpressed-adipose-derived-mesenchaymal-stem-cells-ad-msc-fgf1-induce-neuroprotection-and-functional-recovery-in-a-rat-stroke-model
#12
Hamed Ghazavi, Seyed Javad Hoseini, Alireza Ebrahimzadeh-Bideskan, Baratali Mashkani, Soghra Mehri, Ahmad Ghorbani, Kayvan Sadri, Elahe Mahdipour, Faezeh Ghasemi, Fatemeh Forouzanfar, Azar Hoseini, Ali Reza Pasdar, Hamid Reza Sadeghnia, Majid Ghayour-Mobarhan
Stroke, as the second most common cause of death, imposes a great financial burden on both the individual and society. Mesenchymal stem cells from rodents have demonstrated efficacy in experimental animal models of stroke due to enhanced neurological recovery. Since FGF1 (fibroblast growth factor 1) displays neuroprotective properties, for the first time, we investigated the effect of acute intravenous administration of FGF1 gene transfected adipose-derived mesenchymal stem cell (AD-MSC(FGF1)) on transient experimental ischemic stroke in rats...
August 9, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28790168/microrna-211-bdnf-axis-regulates-lps-induced-proliferation-of-normal-human-astrocyte-through-pi3k-akt-pathway
#13
Kexiang Zhang, Song Wu, Zhiyue Li, Jiahui Zhou
Spinal cord injury (SCI) makes a major contribution to disability and death in the worldwide. Reactive astrogliosis, a typical feature after SCI, which undergoes varying molecular and morphological changes, is ubiquitous but poorly understood. Reactive astrogliosis contributes to glial scar formation that impedes axonal regeneration. Brain-derived Neurotrophic Factor (BDNF), a well-established neurotrophic factor, exerts neuroprotective and growth-promoting effects on a variety of neuronal populations after injury...
August 8, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28781802/sorafenib-induced-reversible-posterior-leukoencephalopathy-in-patients-with-renal-cell-carcinoma-a-report-of-two-cases
#14
Nobuki Furubayashi, Takahito Negishi, Hidenori Iwai, Kei Nagase, Motonobu Nakamura
Reversible posterior leukoencephalopathy syndrome (RPLS) is a rare clinicoradiological syndrome that is characterized by neurological symptoms, including seizures, headaches, visual abnormalities, confusion and encephalopathy, accompanied by vasogenic edema of the posterior white matter observed on neuroimaging. Sorafenib is an inhibitor of pro-angiogenic receptor tyrosine kinases, such as vascular endothelial growth factor receptor 2, platelet-derived growth factor receptor β, and vascular endothelial growth factor receptor 3...
August 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28781091/dental-pulp-stem-cells-their-potential-in-reinnervation-and-angiogenesis-by-using-scaffolds
#15
Ivo Lambrichts, Ronald B Driesen, Yörg Dillen, Pascal Gervois, Jessica Ratajczak, Tim Vangansewinkel, Esther Wolfs, Annelies Bronckaers, Petra Hilkens
Dental pulp is a highly vascularized and innervated tissue containing a heterogeneous stem cell population with multilineage differentiation potential. Current endodontic treatments focus on the preservation of the pulp tissue and the regeneration of dental pulp after pathological insults. Human dental pulp stem cells (hDPSCs) are currently investigated as stem cell-based therapy for pulp regeneration and for peripheral nerve injury in which neurons and Schwann cells display limited regenerative capacity. We have developed a neuronal differentiation protocol for hDPSCs that requires neurosphere formation before neuronal maturation...
August 3, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28780733/brain-derived-neurotrophic-factor-increases-synaptic-protein-levels-via-the-mapk-erk-signaling-pathway-and-nrf2-trx-axis-following-the-transplantation-of-neural-stem-cells-in-a-rat-model-of-traumatic-brain-injury
#16
Tao Chen, Yu Wu, Yuzi Wang, Jigao Zhu, Haiying Chu, Li Kong, Liangwei Yin, Haiying Ma
Brain-derived neurotrophic factor (BDNF) plays an important role in promoting the growth, differentiation, survival and synaptic stability of neurons. Presently, the transplantation of neural stem cells (NSCs) is known to induce neural repair to some extent after injury or disease. In this study, to investigate whether NSCs genetically modified to encode the BDNF gene (BDNF/NSCs) would further enhance synaptogenesis, BDNF/NSCs or naive NSCs were directly engrafted into lesions in a rat model of traumatic brain injury (TBI)...
August 5, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28780644/immunopotentiator-thymosin-alpha-1-promotes-neurogenesis-and-cognition-in-the-developing-mouse-via-a-systemic-th1-bias
#17
Ge Wang, Fen He, Yunlong Xu, Yuwei Zhang, Xiao Wang, Chunhua Zhou, Yihong Huang, Juntao Zou
In early life, the immune system plays an essential role in brain development. In our study, the immunopotentiator thymosin alpha-1 (Ta1) was peripherally administered to neonatal mice to explore whether the peripheral immunopotentiator affects neurodevelopment and cognition, and to further investigate the relevant mechanism. Compared with the control group, the Ta1 mice displayed better cognitive abilities in early life. The numbers of 5-bromodeoxyuridine (BrdU)+, nestin+, T-box transcription factor 2 (Tbr2)+, BrdU+/doublecortin (DCX)+, BrdU+/ionized calcium-binding adaptor molecule 1 (Iba1)+, and BrdU+/neuronal nuclei (NeuN)+ cells in the hippocampus were increased in the Ta1 group, accompanied by increased interleukin-4 (IL-4), interferon-gamma, brain-derived neurotrophic factor, nerve growth factor, and insulin-like growth factor-1 as well as decreased IL-6 and tumor necrosis factor-α...
August 5, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28780602/executive-function-after-exhaustive-exercise
#18
Mizuki Sudo, Takaaki Komiyama, Ryo Aoyagi, Toshiya Nagamatsu, Yasuki Higaki, Soichi Ando
PURPOSE: Findings concerning the effects of exhaustive exercise on cognitive function are somewhat equivocal. The purpose of this study was to identify physiological factors that determine executive function after exhaustive exercise. METHODS: Thirty-two participants completed the cognitive tasks before and after an incremental exercise until exhaustion (exercise group: N = 18) or resting period (control group N = 14). The cognitive task was a combination of a Spatial Delayed-Response (Spatial DR) task and a Go/No-Go task, which requires executive function...
August 5, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28778066/inhibition-of-lsd1-epigenetically-attenuates-oral-cancer-growth-and-metastasis
#19
Saqer F Alsaqer, Mustafa M Tashkandi, Vinay K Kartha, Ya-Ting Yang, Yazeed Alkheriji, Andrew Salama, Xaralabos Varelas, Maria Kukuruzinska, Stefano Monti, Manish V Bais
Lysine-specific demethylase 1 (LSD1) is a nuclear histone demethylase and a member of the amine oxidase (AO) family. LSD1 is a flavin-containing AO that specifically catalyzes the demethylation of mono- and di-methylated histone H3 lysine 4 through an FAD-dependent oxidative reaction. LSD1 is inappropriately upregulated in lung, liver, brain and esophageal cancers, where it promotes cancer initiation, progression, and metastasis. However, unlike other lysine-specific demethylases, the role and specific targets of LSD1 in oral squamous cell carcinoma (OSCC) pathogenesis remain unknown...
July 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28777966/long-term-heroin-use-was-associated-with-the-downregulation-of-systemic-platelets-bdnf-and-tgf-%C3%AE-1-and-it-contributed-to-the-disruption-of-executive-function-in-taiwanese-han-chinese
#20
Ru-Band Lu, Sheng-Yu Lee, Tzu-Yun Wang, Yun-Hsuan Chang, Po-See Chen, Yen-Kuang Yang, Jau-Shyong Hong, Shiou-Lan Chen
BACKGROUND: Long-term heroin addicts have low plasma brain-derived neurotrophic factor (BDNF) levels. However, the mechanisms and effects of systemic disturbances of BDNF caused by heroin remain unclear. OBJECTIVE: Blood platelet might be a source of neurotrophic factors like BDNF and transforming growth factor (TGF)-β1. Thus, we investigated the effects of heroin on platelets, BDNF and TGF-β1, the association between blood platelets, BDNF, TGF-β1, and executive function in long-term heroin addicts...
July 27, 2017: Drug and Alcohol Dependence
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