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Neurotrophin 3

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https://www.readbyqxmd.com/read/29238976/a-spontaneously-immortalized-schwann-cell-line-from-aldose-reductase-deficient-mice-as-a-useful-tool-for-studying-polyol-pathway-and-aldehyde-metabolism
#1
Naoko Niimi, Hideji Yako, Shizuka Takaku, Hiroshi Kato, Takafumi Matsumoto, Yasumasa Nishito, Kazuhiko Watabe, Saori Ogasawara, Hiroki Mizukami, Soroku Yagihashi, Sookja K Chung, Kazunori Sango
The increased glucose flux into the polyol pathway via aldose reductase (AR) is recognized as a major contributing factor for the pathogenesis of diabetic neuropathy, whereas little is known about the functional significance of AR in the peripheral nervous system. Spontaneously immortalized Schwann cell lines established from long-term cultures of AR-deficient and normal C57BL/6 mouse dorsal root ganglia (DRG) and peripheral nerves can be useful tools for studying the physiological and pathological roles of AR...
December 14, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29222769/neurotrophic-factors-an-overview
#2
Stephen D Skaper
The neurotrophins are a family of closely related proteins that were first identified as survival factors for sympathetic and sensory neurons and have since been shown to control a number of aspects of survival, development, and function of neurons in both the central and peripheral nervous systems. Limiting quantities of neurotrophins during development control the numbers of surviving neurons to ensure a match between neurons and the requirement for a suitable density of target innervation. Biological effects of each of the four mammalian neurotrophins are mediated through activation of one or more of the three members of the tropomyosin-related kinase (Trk) family of receptor tyrosine kinases (TrkA, TrkB, and TrkC)...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29203442/n-3-pufa-diet-enrichment-prevents-amyloid-beta-induced-depressive-like-phenotype
#3
M G Morgese, S Schiavone, E Mhillaj, M Bove, P Tucci, L Trabace
Among neuropsychiatric diseases, depression is one of the most prevalent. Many pathologies have been indicated as comorbid with depression and in particular, neurodegenerative disorders such as Alzheimer's diseases (AD). In this regard, several evidences endorse a strong relationship between depression and AD, so much that this mental illness has been proposed either as a risk factor for AD or as a prodromic AD phase. Furthermore, amyloid beta (Aβ) peptide, the main constituent of amyloid plaques commonly considered the principal hallmark of AD brains, has been shown to be increased, in its soluble form, in depressed patients...
December 1, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29181199/the-effects-of-aerobic-exercise-on-the-recovery-of-walking-ability-and-neuroplasticity-in-people-with-multiple-sclerosis-a-systematic-review-of-animal-and-clinical-studies
#4
REVIEW
Augustine Joshua Devasahayam, Matthew Bruce Downer, Michelle Ploughman
Introduction: Walking is of high priority for people with multiple sclerosis (PwMS). It remains unclear whether aerobic exercise can improve walking ability and upregulate neurotrophins. This review aims to consolidate evidence to develop optimal aerobic training parameters to enhance walking outcomes and neuroplasticity in PwMS. Methods: Clinical studies examining aerobic exercise for ≥3 weeks, having outcomes on walking with or without neurotrophic markers, were included...
2017: Multiple Sclerosis International
https://www.readbyqxmd.com/read/29172008/effects-of-cerebrolysin-on-nerve-growth-factor-system-in-the-aging-rat-brain
#5
Mikhail Stepanichev, Mikhail Onufriev, Viktor Aniol, Sofia Freiman, Hemma Brandstaetter, Stefan Winter, Natalia Lazareva, Alla Guekht, Natalia Gulyaeva
BACKGROUND: Aging is associated with some cognitive decline and enhanced risk of development of neurodegenerative diseases. It is assumed that altered metabolism and functions of neurotrophin systems may underlie these age-related functional and structural modifications. CerebrolysinTM (CBL) is a neuropeptide mixture with neurotrophic effects, which is widely used for the treatment of stroke and traumatic brain injury patients. It is also evident that CBL has an overall beneficial effect and a favorable benefit-risk ratio in patients with dementia...
2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29162704/tropomyosin-related-kinase-c-trkc-enhances-podocyte-migration-by-erk-mediated-wave2-activation
#6
Sascha Gromnitza, Carolin Lepa, Thomas Weide, Albrecht Schwab, Hermann Pavenstädt, Britta George
Podocyte malfunction is central to glomerular diseases and is marked by defective podocyte intercellular junctions and actin cytoskeletal dynamics. Podocytes share many morphologic features with neurons, so that similar sets of proteins appear to regulate cell process formation. One such protein is the tropomyosin-related kinase C (TrkC). TrkC deficiency in mice leads to proteinuria as a surrogate of defective kidney filter function. Activation of endogenous TrkC by its ligand neurotrophin-3 resulted in increased podocyte migration-a surrogate of podocyte actin dynamics in vivo Employing a mutagenesis approach, we found that the Src homologous and collagen-like (Shc) binding site Tyr(516) within the TrkC cytoplasmic domain was necessary for TrkC-induced migration of podocytes...
November 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29161446/microglia-activation-and-gene-expression-alteration-of-neurotrophins-in-the-hippocampus-following-early-life-exposure-to-e-cigarette-aerosols-in-a-murine-model
#7
Judith T Zelikoff, Nancy Parmalee, Kevin Corbett, Terry Gordon, Catherine B Klein, Michael Aschner
Recent epidemiological data indicate that the popularity of electronic cigarettes (e-cigarettes), and consequently nicotine use, is rising in both adolescent and adult populations. As nicotine is a known developmental neurotoxin, these products present a potential threat for those exposed during early life stages. Despite this, few studies have evaluated the toxicity of e-cigarettes on the developing central nervous system (CNS). The goal of this study was to assess neurotoxicity resulting from early life exposure to electronic cigarette aerosols in an in vivo model...
November 17, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29160301/new-insights-into-the-pharmacogenomics-of-antidepressant-response-from-the-gendep-and-star-d-studies-rare-variant-analysis-and-high-density-imputation
#8
C Fabbri, K E Tansey, R H Perlis, J Hauser, N Henigsberg, W Maier, O Mors, A Placentino, M Rietschel, D Souery, G Breen, C Curtis, L Sang-Hyuk, S Newhouse, H Patel, M Guipponi, N Perroud, G Bondolfi, M O'Donovan, G Lewis, J M Biernacka, R M Weinshilboum, A Farmer, K J Aitchison, I Craig, P McGuffin, R Uher, C M Lewis
Genome-wide association studies have generally failed to identify polymorphisms associated with antidepressant response. Possible reasons include limited coverage of genetic variants that this study tried to address by exome genotyping and dense imputation. A meta-analysis of Genome-Based Therapeutic Drugs for Depression (GENDEP) and Sequenced Treatment Alternatives to Relieve Depression (STAR*D) studies was performed at the single-nucleotide polymorphism (SNP), gene and pathway levels. Coverage of genetic variants was increased compared with previous studies by adding exome genotypes to previously available genome-wide data and using the Haplotype Reference Consortium panel for imputation...
November 21, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/29155277/neurotrophin-and-fgf-signaling-adapter-proteins-frs2-and-frs3-regulate-dentate-granule-cell-maturation-and-excitatory-synaptogenesis
#9
Sayan Nandi, Karina Alviña, Pablo J Lituma, Pablo E Castillo, Jean M Hébert
Dentate granule cells (DGCs) play important roles in cognitive processes. Knowledge about how growth factors such as FGFs and neurotrophins contribute to the maturation and synaptogenesis of DGCs is limited. Here, using brain-specific and germline mouse mutants we show that a module of neurotrophin and FGF signaling, the FGF Receptor Substrate (FRS) family of intracellular adapters, FRS2 and FRS3, are together required for postnatal brain development. In the hippocampus, FRS promotes dentate gyrus morphogenesis and DGC maturation during developmental neurogenesis, similar to previously published functions for both neurotrophins and FGFs...
November 16, 2017: Neuroscience
https://www.readbyqxmd.com/read/29143997/epidermal-neural-crest-stem-cell-derived-glia-enhance-neurotrophic-elements-in-an-ex-vivo-model-of-spinal-cord-injury
#10
Sareh Pandamooz, Mohammad Saied Salehi, Mohammad Ismail Zibaii, Abolhassan Ahmadiani, Mohammad Nabiuni, Leila Dargahi
Growing evidence that cell-based therapies can improve recovery outcome in spinal cord injury (SCI) models substantiates their application for treatment of human with SCI. To address the effectiveness of these stem cells, potential candidates should be evaluated in proper SCI platform that allows direct real-time monitoring. In this study, the role of epidermal neural crest stem cells (EPI-NCSCs) was elucidated in an ex vivo model of SCI and valproic acid (VPA) was administered to ameliorate the inhospitable context of injury for grafted EPI-NCSCs...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29140156/conditioned-medium-from-human-gingival-mesenchymal-stem-cells-protects-motor-neuron-like-nsc-34-cells-against-scratch-injury-induced-cell-death
#11
Thangavelu Soundara Rajan, Francesca Diomede, Placido Bramanti, Oriana Trubiani, Emanuela Mazzon
Neuronal cell death is a normal process during central nervous system (CNS) development and is also involved in the death of motor neurons in diverse spinal motor neuron degenerative diseases. Here, we investigated the neuroprotective effect of secretory factors released from human gingival mesenchymal stem cells (hGMSCs) in mechanically injured murine motor-neuron-like NSC-34 cells. The cells were exposed to scratch injury and the markers for apoptosis and oxidative stress were examined. Immunocytochemistry results showed that proapoptotic markers cleaved caspase-3 and Bax were elevated while anti-apoptotic protein Bcl-2 was suppressed in scratch-injured NSC-34 cells...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29138279/the-secreted-neurotrophin-sp%C3%A3-tzle-3-promotes-glial-morphogenesis-and-supports-neuronal-survival-and-function
#12
Jaeda C Coutinho-Budd, Amy E Sheehan, Marc R Freeman
Most glial functions depend on establishing intimate morphological relationships with neurons. Significant progress has been made in understanding neuron-glia signaling at synaptic and axonal contacts, but how glia support neuronal cell bodies is unclear. Here we explored the growth and functions of Drosophila cortex glia (which associate almost exclusively with neuronal cell bodies) to understand glia-soma interactions. We show that cortex glia tile with one another and with astrocytes to establish unique central nervous system (CNS) spatial domains that actively restrict glial growth, and selective ablation of cortex glia causes animal lethality...
November 14, 2017: Genes & Development
https://www.readbyqxmd.com/read/29111577/applications-of-acupuncture-therapy-in-modulating-plasticity-of-central-nervous-system
#13
REVIEW
Ling-Yong Xiao, Xue-Rui Wang, Ye Yang, Jing-Wen Yang, Yan Cao, Si-Ming Ma, Tian-Ran Li, Cun-Zhi Liu
OBJECTIVE: Acupuncture is widely applied for treatment of various neurological disorders. This manuscript will review the preclinical evidence of acupuncture in mediating neural plasticity, the mechanisms involved. MATERIALS AND METHODS: We searched acupuncture, plasticity, and other potential related words at the following sites: PubMed, EMBASE, Cochrane Library, Chinese National Knowledge Infrastructure (CNKI), and VIP information data base. The following keywords were used: acupuncture, electroacupuncture, plasticity, neural plasticity, neuroplasticity, neurogenesis, neuroblast, stem cell, progenitor cell, BrdU, synapse, synapse structure, synaptogenesis, axon, axon regeneration, synaptic plasticity, LTP, LTD, neurotrophin, neurotrophic factor, BDNF, GDNF, VEGF, bFGF, EGF, NT-3, NT-4, NT-5, p75NTR, neurotransmitter, acetylcholine, norepinephrine, noradrenaline, dopamine, monamine...
November 7, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29102768/brain-derived-neurotrophic-factor-bdnf-and-neurotrophin-3-nt3-levels-in-post-mortem-brain-tissue-from-patients-with-depression-compared-to-healthy-individuals%C3%A2-%C3%A2-a-proof-of-concept-study
#14
A Sheldrick, S Camara, M Ilieva, P Riederer, T M Michel
The neurotrophic factors (NTF) hypothesis of depression was postulated nearly a decade ago and is nowadays widely acknowledged. Previous reports suggest that cerebral concentrations of NTF may be reduced in suicide victims who received minimal or no antidepressant pharmacotherapy. Recent evidence suggests that antidepressant treatment may improve or normalise cerebral concentrations of neurotrophic factors. Therefore, we examined the concentration of brain-derived neurotrophic factor (BDNF) and neurotrophin 3 (NT3) in different brain regions (cortex, cingulate gyrus, thalamus, hippocampus, putamen and nucleus caudatus) of 21 individuals - 7 patients of which 4 patients with major depressive disorder (MDD) and overall age 86...
October 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29093741/insulin-like-growth-factor-1-a-possible-marker-for-emotional-and-cognitive-disturbances-and-treatment-effectiveness-in-major-depressive-disorder
#15
REVIEW
Oleg A Levada, Alexandra S Troyan
Depression and cognitive dysfunction share a common neuropathological platform. Abnormal neural plasticity in the frontolimbic circuits has been linked to changes in the expression of neurotrophic factors, including IGF-1. These changes may result in clinical abnormalities observed over the course of major depressive disorder (MDD), including cognitive dysfunction. The present review aimed to summarize evidence regarding abnormalities of peripheral IGF-1 in MDD patients and assess a marker and predictive role of the neurotrophin for emotional and cognitive disturbances, and treatment effectiveness...
2017: Annals of General Psychiatry
https://www.readbyqxmd.com/read/29091753/high-plasticity-of-new-granule-cells-in-the-aging-hippocampus
#16
Mariela F Trinchero, Karina A Buttner, Jessica N Sulkes Cuevas, Silvio G Temprana, Paula A Fontanet, M Cristina Monzón-Salinas, Fernanda Ledda, Gustavo Paratcha, Alejandro F Schinder
During aging, the brain undergoes changes that impair cognitive capacity and circuit plasticity, including a marked decrease in production of adult-born hippocampal neurons. It is unclear whether development and integration of those new neurons are also affected by age. Here, we show that adult-born granule cells (GCs) in aging mice are scarce and exhibit slow development, but they display a remarkable potential for structural plasticity. Retrovirally labeled 3-week-old GCs in middle-aged mice were small, underdeveloped, and disconnected...
October 31, 2017: Cell Reports
https://www.readbyqxmd.com/read/29084332/assessment-of-neurotrophins-and-inflammatory-mediators-in-vitreous-of-patients-with-diabetic-retinopathy
#17
Joseph D Boss, Pawan Kumar Singh, Hemang K Pandya, Joaquin Tosi, Chaesik Kim, Asheesh Tewari, Mark S Juzych, Gary W Abrams, Ashok Kumar
Purpose: To assess vitreous levels of inflammatory cytokines and neurotrophins (NTs) in diabetic retinopathy (DR) and elucidate their potential roles. Methods: A prospective study was performed on 50 vitreous samples obtained from patients with DR (n = 22) and the nondiabetic controls (n = 28). All patients were candidates for vitrectomy. Inflammatory cytokine and NT levels were determined with ELISA. Potential source and role of NTs was determined by using human retinal Müller glia and mouse photoreceptor cells and challenging them with TNF-α or IL-1β, followed by detection of NTs and cell death...
October 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29079048/cytokine-expression-of-stem-cells-originating-from-the-apical-complex-and-coronal-pulp-of-immature-teeth
#18
Ki Hoon Joo, Je Seon Song, Seunghye Kim, Hyo-Seol Lee, Mijeong Jeon, Seong-Oh Kim, Jae-Ho Lee
INTRODUCTION: The aim of this study was to measure and compare the expression levels of cytokines from developing apical complex cells (DACCs) and dental pulp stem cells (DPSCs) of the immature tooth. METHODS: DPSC-conditioned medium (CM) and DACCs-CM were obtained from human young teeth, and 174 cytokines secreted from each CM were identified and compared. A cytokine membrane array and enzyme-linked immunosorbent assay were used to measure and compare the expression levels of the cytokines...
October 24, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29054324/protective-role-of-chrysin-on-6-hydroxydopamine-induced-neurodegeneration-a-mouse-model-of-parkinson-s-disease-involvement-of-neuroinflammation-and-neurotrophins
#19
André T R Goes, Cristiano R Jesse, Michelle S Antunes, Fernando Vagner Lobo Ladd, Aliny Antunes Barbosa Lobo Ladd, Cristiane Luchese, Natalia Paroul, Silvana Peterini Boeira
Chrysin is a natural flavonoid which is found in bee propolis, honey and various plants, and neuroprotective effect of chrysin in mice was previously demonstrated by our group. Neuroinflammation, neurotrophic factors and neuronal recovery factors associated with the neuroprotective effect of this flavonoid require further investigations. Thus, now we investigated the possible involvement of inflammatory cytokines, neurotrophic factors and neuronal recovery in the effect of chrysin in 6-hydroxidopamine (6-OHDA), a well-established model of Parkinson's disease, in striatum of mice...
October 17, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29031856/relationship-between-sigma-1-receptor-and-bdnf-in-the-visual-system
#20
Barbara A Mysona, Jing Zhao, Sylvia Smith, Kathryn E Bollinger
Glaucoma is an incurable optic neuropathy characterized by dysfunction and death of retinal ganglion cells (RGCs). Brain derived neurotrophic factor (BDNF) is an essential neurotrophin that supports RGC function and survival. Despite BDNF's importance, our knowledge of molecular mechanisms that modulate BDNF processing and secretion is incomplete. Sigma-1 receptor (S1R) is associated with increased BDNF in hippocampus and with BDNF secretion by brain-derived astrocytes and neuronal cell lines. Much less is known about the relationship between S1R and BDNF in the visual system...
October 12, 2017: Experimental Eye Research
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