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brain-derived neurotrophic factor

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https://www.readbyqxmd.com/read/29350427/role-of-microglia-in-the-spinal-cord-in-colon-to-bladder-neural-crosstalk-in-a-rat-model-of-colitis
#1
Tsuyoshi Majima, Yasuhito Funahashi, Naoki Kawamorita, Shun Takai, Yoshihisa Matsukawa, Tokunori Yamamoto, Naoki Yoshimura, Momokazu Gotoh
AIMS: We investigated whether spinal cord microglia are involved in colon-to-bladder neural crosstalk in a rat model of colitis. METHODS: Adult female SD rats were divided into A) control, B) colitis, and C) colitis + minocycline groups. Experimental colitis was induced by administering 50% trinitrobenzene sulfonic acid into the distal colon in the colitis group and the minocycline group. Minocycline, a microglial inhibitor, was continuously infused into the intrathecal space in the minocycline group...
January 19, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29350074/serum-concentration-and-clinical-significance-of-brain-derived-neurotrophic-factor-in-patients-with-parkinson-s-disease-or-essential-tremor
#2
Yixian Huang, Wenwei Yun, Min Zhang, Weifeng Luo, Xianju Zhou
Objectives The serum concentration of brain-derived neurotrophic factor (BDNF) was compared among patients with Parkinson's disease (PD), patients with essential tremor (ET), and healthy participants, and its association with clinical features of PD and ET was assessed. Methods Demographic and clinical data were collected from 60 patients with PD at different clinical stages, 60 patients with ET, and 60 controls. All participants' serum BDNF concentrations were measured. Their motor abilities and activity were assessed by the Unified PD Rating Scale and the Hoehn and Yahr (H-Y) staging scale...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29349573/mesencephalic-astrocyte-derived-neurotrophic-factor-manf-elevates-stimulus-evoked-release-of-dopamine-in-freely-moving-rats
#3
Juho-Matti Renko, Susanne Bäck, Merja H Voutilainen, T Petteri Piepponen, Ilkka Reenilä, Mart Saarma, Raimo K Tuominen
Neurotrophic factors (NTFs) hold potential as disease-modifying therapies for neurodegenerative disorders like Parkinson's disease. Glial cell line-derived neurotrophic factor (GDNF), cerebral dopamine neurotrophic factor (CDNF), and mesencephalic astrocyte-derived neurotrophic factor (MANF) have shown neuroprotective and restorative effects on nigral dopaminergic neurons in various animal models of Parkinson's disease. To date, however, their effects on brain neurochemistry have not been compared using in vivo microdialysis...
January 18, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29348904/role-of-tissue-type-plasminogen-activator-and-plasminogen-activator-inhibitor-1-in-psychological-stress-and-depression
#4
REVIEW
Shih-Jen Tsai
Major depressive disorder is a common illness worldwide, but the pathogenesis of the disorder remains incompletely understood. The tissue-type plasminogen activator-plasminogen proteolytic cascade is highly expressed in the brain regions involved in mood regulation and neuroplasticity. Accumulating evidence from animal and human studies suggests that tissue-type plasminogen activator and its chief inhibitor, plasminogen activator inhibitor-1, are related to stress reaction and depression. Furthermore, the neurotrophic hypothesis of depression postulates that compromised neurotrophin brain-derived neurotrophic factor (BDNF) function is directly involved in the pathophysiology of depression...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348729/panax-ginseng-exerts-antidepressant-like-effects-by-suppressing-neuroinflammatory-response-and-upregulating-nuclear-factor-erythroid-2-related-factor-2-signaling-in-the-amygdala
#5
Jong Hee Choi, Min Jung Lee, Minhee Jang, Hak-Jae Kim, Sanghyun Lee, Sang Won Lee, Young Ock Kim, Ik-Hyun Cho
Background: Depression is one of the most commonly diagnosed neuropsychiatric diseases, but the underlying mechanism and medicine are not well-known. Although Panax ginseng has been reported to exert protective effects in various neurological studies, little information is available regarding its antidepressant effects. Methods: Here, we examined the antidepressant effect and underlying mechanism of P. ginseng extract (PGE) in a chronic restraint stress (CRS)-induced depression model in mice...
January 2018: Journal of Ginseng Research
https://www.readbyqxmd.com/read/29346609/decreased-serum-levels-of-ghrelin-and-brain-derived-neurotrophic-factor-in-premenopausal-women-with-metabolic-syndrome
#6
Masoumeh Jabbari, Sorayya Kheirouri, Mohammad Alizadeh
Objective: We aimed to investigate the association between serum levels of ghrelin and brain-derived neurotrophic factor (BDNF) with MetS and its components in premenopausal women. Methods: 43 patients with MetS and 43 healthy controls participated in this study. Participants' body mass index (BMI), waist circumference (WC), systolic and diastolic blood pressure (SBP and DBP) were measured. Serum levels of total cholesterol (TC), triglyceride (TG), low and high density lipoprotein cholesterol (LDL-C and HDL-C), fasting blood sugar (FBS), insulin, BDNF and ghrelin determined...
January 12, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29345295/upregulation-of-the-bdnf-trkb-pathway-promotes-epithelial-mesenchymal-transition-as-well-as-the-migration-and-invasion-of-cervical-cancer
#7
Yuan Yuan, Hai-Qiong Ye, Qian-Chuan Ren
Brain-derived neurotrophic factor (BDNF) has previously been demonstrated to be associated with several types of cancer. In addition, its receptor, tropomyosin related kinase B (TrkB) is involved in tumor invasion and metastasis. Epithelial-mesenchymal transition (EMT) is associated with metastasis in cancers. Thus, The aim of the present study was to examine whether BDNF/TrKB expression is linked to a poor survival and the acquisition of the EMT phenotype in cervical cancer. We found that a high positive expression of BDNF/TrKB was associated with poor survival in cervical cancer...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29343707/sensory-neuronal-p2rx4-receptors-controls-bdnf-signaling-in-inflammatory-pain
#8
Sarah Lalisse, Jennifer Hua, Manon Lenoir, Nathalie Linck, François Rassendren, Lauriane Ulmann
Chronic inflammatory and neuropathic pains are major public health concerns. Potential therapeutic targets include the ATP-gated purinergic receptors (P2RX) that contribute to these pathological types of pain in several different cell types. The purinergic receptors P2RX2 and P2RX3 are expressed by a specific subset of dorsal root ganglion neurons and directly shape pain processing by primary afferents. In contrast the P2RX4 and P2RX7 are mostly expressed in myeloid cells, where activation of these receptors triggers the release of various pro-inflammatory molecules...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29342042/long-term-administration-of-salicylate-induced-changes-in-bdnf-expression-and-creb-phosphorylation-in-the-auditory-cortex-of-rats
#9
Bin Yi, Cong Wu, Runjie Shi, Kun Han, Haibin Sheng, Bei Li, Ling Mei, Xueling Wang, Zhiwu Huang, Hao Wu
HYPOTHESIS: We investigated whether salicylate induces tinnitus through alteration of the expression levels of brain-derived neurotrophic factor (BDNF), proBDNF, tyrosine kinase receptor B (TrkB), cAMP-responsive element-binding protein (CREB), and phosphorylated CREB (p-CREB) in the auditory cortex (AC). BACKGROUND: Salicylate medication is frequently used for long-term treatment in clinical settings, but it may cause reversible tinnitus. Salicylate-induced tinnitus is associated with changes related to central auditory neuroplasticity...
January 16, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29341893/targeting-bdnf-modulation-by-plant-glycosides-as-a-novel-therapeutic-strategy-in-the-treatment-of-depression
#10
REVIEW
Haroon Khan, Surriya Amin, Seema Patel
Current therapies in clinical practice face strong criticism regarding their efficacy, and side effects, which forced the neuro-researchers to discover novel agents with different mechanistic insights. Glycosides are naturally-occurring plant secondary metabolites with significant medicinal potential and clinical scope as antidepressant. The aim of this review is to focus on the antidepressant effects of glycosides in preclinical studies, with an emphasis on the possible mechanisms. The literature search revealed that only a few phytoglycosides have been evaluated for their relevance in depression alleviation...
January 13, 2018: Life Sciences
https://www.readbyqxmd.com/read/29339649/cardiovascular-risk-factors-and-insulin-resistance-after-two-hypocaloric-diets-with-different-fat-distribution-in-obese-subjects-effect-of-the-rs10767664-gene-variant-in-brain-derived-neurotrophic-factor
#11
Daniel Antonio de Luis, Enrique Romero, Olatz Izaola, David Primo, Rocío Aller
BACKGROUND: The role of brain-derived neurotrophic factor (BDNF) variants on change in body weight and cardiovascular risk factors after weight loss remains unclear in obese patients. OBJECTIVE: Our aim was to analyze the effects of the rs10767664 BDNF gene polymorphism on body weight, cardiovascular risk factors, and serum adipokine levels after a high monounsaturated fatty acids (MUFAs) hypocaloric diet (diet M) versus a high polyunsaturated fatty acids (PUFAs) hypocaloric diet (diet P)...
January 17, 2018: Journal of Nutrigenetics and Nutrigenomics
https://www.readbyqxmd.com/read/29339100/genetic-variation-in-the-dopamine-system-influences-intervention-outcome-in-children-with-cerebral-palsy
#12
Rochellys Diaz Heijtz, Rita Almeida, Ann Christin Eliasson, Hans Forssberg
BACKGROUND: There is large variation in treatment responses in children with cerebral palsy. Experimental and clinical results suggest that dopamine neurotransmission and brain-derived neurotrophic factor (BDNF) signalling are involved in motor learning and plasticity, which are key factors in modern habilitation success. We examined whether naturally occurring variations in dopamine and BDNF genes influenced the treatment outcomes. METHODS: Thirty-three children (18-60months of age) with spastic unilateral cerebral palsy were enrolled in the study...
January 9, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29334322/plasma-brain-derived-neurotrophic-factor-pbdnf-and-executive-dysfunctions-in-patients-with-major-depressive-disorder
#13
Stefanie Wagner, Sarah Kayser, Jan Engelmann, Konrad F Schlicht, Nadine Dreimüller, Oliver Tüscher, Florian Müller-Dahlhaus, Dieter F Braus, André Tadić, Alexandra Neyazi, Helge Frieling, Klaus Lieb
OBJECTIVES: Executive dysfunctions are frequently seen in patients with Major Depressive Disorder (MDD) and normalize in many cases during effective antidepressant therapy. This study investigated whether a normalization of executive dysfunctions during antidepressant treatment correlates with or can be predicted by clinical parameters or levels of brain-derived neurotrophic factor (BDNF). METHODS: In 110 MDD patients with executive dysfunctions (percentile < 16), executive functions and plasma BDNF levels were analysed at baseline, day 14 and 56 of an antidepressant treatment...
January 15, 2018: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/29332095/both-serum-brain-derived-neurotrophic-factor-and-interleukin-6-levels-are-not-associated-with-therapeutic-response-to-lamotrigine-augmentation-therapy-in-treatment-resistant-depressive-disorder
#14
Shoko Kagawa, Kazuo Mihara, Takeshi Suzuki, Goyo Nagai, Akifumi Nakamura, Kenji Nemoto, Tsuyoshi Kondo
BACKGROUND/AIMS: Serum levels of brain-derived neurotrophic factor (BDNF) and interleukin-6 (IL-6) were prospectively monitored in relation with therapeutic response to lamotrigine augmentation therapy in 46 (15 males and 31 females) inpatients with treatment-resistant depressive disorder during an 8-week treatment with lamotrigine using an open-study design. METHODS: The subjects were 46 depressed patients who had already shown insufficient response to at least 3 psychotropics including antidepressants, mood stabilizers, and atypical antipsychotics...
January 12, 2018: Neuropsychobiology
https://www.readbyqxmd.com/read/29332088/drug-delivery-for-movement-disorders
#15
Neil Barua, Steven Gill
There has been substantial research interest in delivering therapeutic neurotrophic factors directly to the brain for the treatment of Parkinson's Disease (PD) and other movement disorders. Direct infusion of glial cell-line derived neurotrophic factor has been investigated in both pre-clinical models and clinical trials. In this chapter we discuss past and present research investigating the potential of direct drug delivery to the brain for the treatment of PD and other movement disorders.
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29331787/val66met-functional-polymorphism-and-serum-protein-level-of-brain-derived-neurotrophic-factor-bdnf-in-acute-episode-of-schizophrenia-and-depression
#16
Maria Skibinska, Agata Groszewska, Pawel Kapelski, Aleksandra Rajewska-Rager, Joanna Pawlak, Monika Dmitrzak-Weglarz, Aleksandra Szczepankiewicz, Joanna Twarowska-Hauser
BACKGROUND: Brain-derived neurotrophic factor (BDNF) influences neuron differentiation during development as well as the synaptic plasticity and neuron survival in adulthood. BDNF has been implicated in the pathogenesis of schizophrenia and depression. Val66Met polymorphism and BDNF serum level are potential biomarkers in neuropsychiatric disorders. The aim of this study was to determine the effect of BDNF gene Val66Met functional polymorphism on serum BDNF concentration in patients with schizophrenia, during depression episode and in healthy control group...
August 12, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29331730/exenatide-exerts-cognitive-effects-by-modulating-the-bdnf-trkb-neurotrophic-axis-in-adult-mice
#17
Manuela Bomba, Alberto Granzotto, Vanessa Castelli, Noemi Massetti, Elena Silvestri, Lorella M T Canzoniero, Annamaria Cimini, Stefano L Sensi
Modulation of insulin-dependent signaling is emerging as a valuable therapeutic tool to target neurodegeneration. In the brain, the activation of insulin receptors promotes cell growth, neuronal repair, and protection. Altered brain insulin signaling participates in the cognitive decline seen in Alzheimer's disease patients and the aging brain. Glucagon-like peptide-1 (GLP-1) regulates insulin secretion and, along with GLP-1 analogues, enhances neurotrophic signaling and counteracts cognitive deficits in preclinical models of neurodegeneration...
December 19, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29330839/peripheral-blood-brain-derived-neurotrophic-factor-as-a-biomarker-of-alzheimer-s-disease-are-there-methodological-biases
#18
REVIEW
Marta Balietti, Cinzia Giuli, Fiorenzo Conti
Mounting evidence that alterations in brain-derived neurotrophic factor (BDNF) levels and signaling may be involved in the etiopathogenesis of Alzheimer's disease (AD) has suggested that its blood levels could be used as a biomarker of the disease. However, higher, lower, or unchanged circulating BDNF levels have all been described in AD patients compared to healthy controls. Although the reasons for such different findings are unclear, methodological issues are likely to be involved. The heterogeneity of participant recruitment criteria and the lack of control of variables that influence circulating BDNF levels regardless of dementia (depressive symptoms, medications, lifestyle, lack of overlap between serum and plasma, and experimental aspects) are likely to bias result and prevent study comparability...
January 13, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29330684/investigation-of-mature-bdnf-and-probdnf-signaling-in-a-rat-photothrombotic-ischemic-model
#19
Mehreen Rahman, Haiyun Luo, Neil R Sims, Larisa Bobrovskaya, Xin-Fu Zhou
Treatment with mature brain-derived neurotrophic factor (mBDNF) promotes functional recovery after ischemia in animal trials but the possible role of its precursor protein proBDNF and its receptors or the factors responsible for the conversion of proBDNF to mBDNF in ischemic stroke are not known. The main aim of this study was to characterize the time-dependent expression of genes and/or proteins related to BDNF processing and signaling after ischemia as well as the sensorimotor behavioral dysfunction in a photothrombotic ischemic model in rats...
January 12, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29329698/effect-of-combined-exercise-training-on-serum-brain-derived-neurotrophic-factor-suppressors-of-cytokine-signaling-1-and-3-in-patients-with-multiple-sclerosis
#20
C Ozkul, A Guclu-Gunduz, C Irkec, I Fidan, Y Aydin, T Ozkan, G Yazici
BACKGROUND: Suppressors of cytokine signaling (SOCS) and brain-derived neurotrophic factor (BDNF) are important immunologic, and neurotrophic factors for MS pathogenesis. The impact of exercise on these factors is yet to be fully elucidated in patients with MS. OBJECTIVE: The primary aim of this study is to investigate the effect of 8-week combined exercise training on serum concentrations of SOCS1, SOCS3, and BDNF. The secondary aim is to determine the effects of combined exercise training on balance, functional exercise capacity, and fatigue in patients with MS...
January 3, 2018: Journal of Neuroimmunology
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