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Brain derived neurotrophic factor

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https://www.readbyqxmd.com/read/29036816/sex-difference-in-aerobic-exercise-efficacy-to-improve-cognition-in-older-adults-with-vascular-cognitive-impairment-secondary-analysis-of-a-randomized-controlled-trial
#1
Cindy K Barha, Ging-Yuek R Hsiung, John R Best, Jennifer C Davis, Janice J Eng, Claudia Jacova, Philip E Lee, Michelle Munkacsy, Winnie Cheung, Teresa Liu-Ambrose
Aerobic training (AT) is a promising, non-pharmacological intervention to mitigate the deleterious effects of aging and disease on brain health. However, a large amount of variation exists in its efficacy. This is a secondary analysis of a randomized controlled trial of AT in 71 older adults with subcortical ischemic vascular cognitive impairment (NCT01027858). Specifically, we investigated: 1) whether sex moderates the relationship between AT and executive functions, and 2) the role of brain derived neurotrophic factor (BDNF) and gains in functional fitness capacity...
October 12, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29036764/hippotherapy-and-neurofeedback-training-effect-on-the-brain-function-and-serum-brain-derived-neurotrophic-factor-level-changes-in-children-with-attention-deficit-or-and-hyperactivity-disorder
#2
Namju Lee, Sok Park, Jongkyu Kim
PURPOSE: The purpose of this study was to investigate the effect of hippotherapy and electroencephalography (EEG) neurofeedback on brain function and blood brain-derived neurotrophic factor (BDNF) level in children with attention-deficit or/and hyperactivity disorder (ADHD). METHODS: Sixteen children with ADHD participated in this study and were randomly divided into 2 groups, a 1-time hippotherapy group (W1G, n = 8) and a 2-time hippotherapy group (W2G, n = 8)...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29035920/the-antidepressant-like-effects-of-sinomenine-in-mice-a-behavioral-and-neurobiological-characterization
#3
Xiuqin Li, Chao Liu, Bo Jiang, Kai Chen, Wenjuan Li, Hongze Wang
Sinomenine is a bioactive alkaloid extracted from Sinomenium acutum. Here, we investigated the antidepressant effects of sinomenine in mice. The antidepressant actions of sinomenine were first examined in the forced-swim test and the tail-suspension test, and then assessed in the chronic social defeat stress (CSDS) model of depression. Changes in the brain-derived neurotrophic factor (BDNF) signaling pathway after CSDS and sinomenine treatment were also investigated. A tryptophan hydroxylase inhibitor and a BDNF signaling inhibitor were also used to determine the pharmacological mechanisms of sinomenine...
October 13, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/29034461/the-migraine-attack-as-a-homeostatic-neuroprotective-response-to-brain-oxidative-stress-preliminary-evidence-for-a-theory
#4
Jonathan M Borkum
BACKGROUND: Previous research has suggested that migraineurs show higher levels of oxidative stress (lipid peroxides) between migraine attacks and that migraine triggers may further increase brain oxidative stress. Oxidative stress is transduced into a neural signal by the TRPA1 ion channel on meningeal pain receptors, eliciting neurogenic inflammation, a key event in migraine. Thus, migraines may be a response to brain oxidative stress. RESULTS: In this article, a number of migraine components are considered: cortical spreading depression, platelet activation, plasma protein extravasation, endothelial nitric oxide synthesis, and the release of serotonin, substance P, calcitonin gene-related peptide, and brain-derived neurotrophic factor...
October 16, 2017: Headache
https://www.readbyqxmd.com/read/29033483/the-impact-of-antidepressant-treatment-on-brain-derived-neurotrophic-factor-level-an-evidence-based-approach-through-systematic-review-and-meta-analysis
#5
Vijayakumar Arumugam, Vini Susan John, Nisha Augustine, Taniya Jacob, Sagar Maliakkal Joy, Suchandra Sen, Tuhinadri Sen
OBJECTIVES: Antidepressant treatment alters brain-derived neurotrophic factor (BDNF) levels, but it is not well established whether BDNF can be used as a marker to prove the efficacy of antidepressant treatment. The present systematic review and meta-analysis aim at assessing the influence of antidepressant treatment on BDNF level and the Hamilton Depression Rating Scale (HDRS) score, thereby to establish the rationale of utilizing BDNF as a predictive biomarker and HDRS score as an indicator for antidepressant treatment efficacy...
May 2017: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/29032011/sitagliptin-enhances-the-neuroprotective-effect-of-pregabalin-against-pentylenetetrazole-induced-acute-epileptogenesis-in-mice-implication-of-oxidative-inflammatory-apoptotic-and-autophagy-pathways
#6
Manar A Nader, Hayam Ateyya, Mohamed El-Shafey, Nagla A El-Sherbeeny
The current investigation aimed at studying the anti-epileptogenic effect of sitagliptin. The possible effect of the drug in combination with pregabalin in pentylenetetrazole (PTZ)- induced seizures was studied. In addition, the postulated mechanisms that could mediate such effect were explored namely, suppression of oxidative stress and neuro-inflammatory markers, autophagy and apoptosis. Seven days prior to PTZ (60 mg/kg, sc) injection, mice were treated with sitagliptin (5, 15, and 60 mg/kg, twice daily, orally) or pregabalin (30 mg/kg, once daily, orally) or their combination...
October 11, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/29031856/relationship-between-sigma-1-receptor-and-bdnf-in-the-visual-system
#7
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
https://www.readbyqxmd.com/read/29031144/senegenin-exerts-anti-depression-effect-in-mice-induced-by-chronic-un-predictable-mild-stress-via-inhibition-of-nf-%C3%AE%C2%BAb-regulating-nlrp3-signal-pathway
#8
Hongwei Li, Shiyi Lin, Tingting Qin, Hongyan Li, Zhanqiang Ma, Shiping Ma
Depressive disorder is a kind of affective disturbance disease. Emerging evidence has suggested that inflammation may contribute to the pathologic process of depressive disorder. Senegenin (SEN), a major bioactive constituent in Polygala tenuifolia Willd, has much bioactivity including anti-inflammatory and neuroprotection effects. However, the mechanism of its anti-depressant effect in mice remains unknown. This study aimed to explore the anti-depressant effects of SEN on behavioral changes and inflammatory responses in mice induced by chronic un-predictable mild stress (CUMS)...
October 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29030688/neurotrophic-function-of-phytochemicals-for-neuroprotection-in-aging-and-neurodegenerative-disorders-modulation-of-intracellular-signaling-and-gene-expression
#9
REVIEW
Makoto Naoi, Keiko Inaba-Hasegawa, Masayo Shamoto-Nagai, Wakako Maruyama
Bioactive compounds in food and beverages have been reported to promote health and prevent age-associated decline in cognitive, motor and sensory activities, and emotional function. Phytochemicals, a ubiquitous class of plant secondary metabolites, protect neuronal cells by interaction with cellular activities, in addition to the antioxidant and anti-inflammatory function. In aging and age-associated neurodegenerative disorders, phytochemicals protect neuronal cells by neurotrophic factor-mimic activity, in addition to suppression of apoptosis signaling in mitochondria...
October 13, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29030221/inhibition-of-bdnf-production-by-mpp-through-up-regulation-of-mir-210-3p-contributes-to-dopaminergic-neuron-damage-in-mptp-model
#10
Shan Zhang, Shu Chen, Anmin Liu, Jungang Wan, Lingwen Tang, Niandong Zheng, Yi Xiong
The neurotrophin brain-derived neurotrophic factor (BDNF) has been involved in supporting of neuron survival. The observation of reduced level of BDNF in the substantia nigra (SN) of Parkinson's disease (PD) patients suggests its important role in neuron protection in PD pathogenesis. However, the mechanism underlying the down-regulation of BDNF in PD was largely unknown. In this study, we found that miR-210-3p is involved in the regulation of BDNF production by 1-methyl-4-phenylpyridinium (MPP(+)). MPP(+) inhibits the BDNF production in SH-SY5Y cells through a transcription independent manner...
October 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29030174/growth-hormone-protects-against-kainate-excitotoxicity-and-induces-bdnf-and-nt3-expression-in-chicken-neuroretinal-cells
#11
C G Martinez-Moreno, T Fleming, M Carranza, J Ávila-Mendoza, M Luna, S Harvey, C Arámburo
There is increasing evidence to suggest a beneficial neuroprotective effect of growth hormone (GH) in the nervous system. While our previous studies have largely focused on retinal ganglion cells (RGCs), we have also found conclusive evidence of a pro-survival effect of GH in cells of the inner nuclear layer (INL) as well as a protective effect on the dendritic trees of the inner plexiform layer (IPL) in the retina. The administration of GH in primary neuroretinal cell cultures protected and induced neural outgrowths...
October 10, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/29029471/protective-effect-of-resveratrol-against-light-induced-retinal-degeneration-in-aged-samp8-mice
#12
Zhirong Liu, Zhengzheng Wu, Jie Li, Anna Marmalidou, Ruifan Zhang, Man Yu
PURPOSE: The purpose of this study was to determine the protective effects of Resveratrol (RESV) on acute bright light-induced retinal degeneration in aged senescence accelerated mouse strain. METHODS: Ten three-month-old male SAMP8 mice (prone to aging) were randomly assigned to two experimental dietary groups: one untreated group and one RESV treatment group (n=20 eyes for each group). After 30 days of treatment, mice were exposed to intense bright light. Ten male SAMR1 mice (resistant to aging) served as control (n=20 eyes)...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029315/7-8-dihydroxyflavone-rescues-lead-induced-impairment-of-vesicular-release-a-novel-therapeutic-approach-for-lead-intoxicated-children
#13
Xiao-Lei Zhang, Jennifer L McGlothan, Omid Miry, Kirstie H Stansfield, Meredith K Loth, Patric K Stanton, Tomás R Guilarte
Childhood lead (Pb2+) intoxication is a public health problem of global proportion. Lead exposure during development produces multiple effects on the central nervous system including impaired synapse formation, altered synaptic plasticity, and learning deficits.In primary hippocampal neurons in culture and hippocampal slices, Pb2+ exposure inhibits vesicular release and reduces the number of fast-releasing sites, an effect associated with Pb2+ inhibition of NMDA receptor-mediated trans-synaptic Brain-Derived Neurotrophic Factor (BDNF) signaling...
October 4, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29028824/the-association-between-serum-brain-derived-neurotrophic-factor-and-a-cluster-of-cardiovascular-risk-factors-in-adolescents-the-champs-study-dk
#14
Natascha Holbæk Pedersen, Jakob Tarp, Lars Bo Andersen, Anne Kær Gejl, Tao Huang, Lone Peijs, Anna Bugge
BACKGROUND AND OBJECTIVE: Cardiovascular disease and type 2 diabetes pose a global health burden. Therefore, clarifying the pathology of these risk factors is essential. Previous studies have found positive and negative associations between one or more cardiovascular risk factors and brain-derived neurotrophic factor (BDNF) probably due to diverse methodological approaches when analysing peripheral BDNF levels. Moreover, only a few studies have been performed in youth populations. Consequently, the main objective of this study was to examine the association between serum BDNF and a composite z-score consisting of six cardiovascular risk factors...
2017: PloS One
https://www.readbyqxmd.com/read/29028501/interindividual-variability-in-response-to-continuous-theta-burst-stimulation-in-healthy-adults
#15
Ali Jannati, Gabrielle Block, Lindsay M Oberman, Alexander Rotenberg, Alvaro Pascual-Leone
OBJECTIVE: We used complete-linkage cluster analysis to identify healthy subpopulations with distinct responses to continuous theta-burst stimulation (cTBS). METHODS: 21 healthy adults (age±SD, 36.9±15.2years) underwent cTBS of left motor cortex. Natural log-transformed motor evoked potentials (LnMEPs) at 5-50min post-cTBS (T5-T50) were calculated. RESULTS: Two clusters were found; Group 1 (n=12) that showed significant MEP facilitation at T15, T20, and T50 (p's<0...
September 21, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29024578/morpho-functional-features-of-the-gonads-of-danio-rerio-the-role-of-brain-derived-neurotrophic-factor
#16
Pietro Cacialli, Livia D'Angelo, Paolo de Girolamo, Luigi Avallone, Carla Lucini, Elisabeth Pellegrini, Luciana Castaldo
Zebrafish, a suitable and widely used teleost fish model in basic biomedical research, displays morphophysiological features of adult gonads that share some commonalities with those of mammalian species. In mammals, gametogenesis is regulated, among several factors, by brain derived neurotrophic factor (BDNF). This neurotrophin has a well-established role in the developing and adult nervous system, as well as gonads development and functions in vertebrates pecies. We hypothesize that BDNF has a role also in the gonadal functions of zebrafish...
October 12, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29023633/bdnf-and-bmi-effects-on-brain-structures-of-bipolar-offspring-results-from-the-global-mood-and-brain-science-initiative
#17
R B Mansur, E Brietzke, R S McIntyre, B Cao, Y Lee, L Japiassú, K Chen, R Lu, W Lu, T Li, G Xu, K Lin
OBJECTIVE: To compare brain-derived neurotrophic factor (BDNF) levels between offspring of individuals with bipolar disorders (BD) and healthy controls (HCs) and investigate the effects of BDNF levels and body mass index (BMI) on brain structures. METHOD: Sixty-seven bipolar offspring and 45 HCs were included (ages 8-28). Structural images were acquired using 3.0 Tesla magnetic resonance imaging. Serum BDNF levels were measured using enzyme-linked immunosorbent assay...
October 11, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/29023414/3-5-6-7-8-3-4-heptamethoxyflavone-ameliorates-depressive-like-behavior-and-hippocampal-neurochemical-changes-in-chronic-unpredictable-mild-stressed-mice-by-regulating-the-brain-derived-neurotrophic-factor-requirement-for-erk-activation
#18
Atsushi Sawamoto, Satoshi Okuyama, Yoshiaki Amakura, Morio Yoshimura, Takashi Yamada, Hidehiko Yokogoshi, Mitsunari Nakajima, Yoshiko Furukawa
We previously reported that the subcutaneous administration of 3,5,6,7,8,3',4'-heptamethoxyflavone (HMF), a citrus polymethoxyflavone, attenuated depressive-like behavior and increased the expression of brain-derived neurotrophic factor (BDNF) in the hippocampus of a corticosterone-induced depression-like mouse model. We herein demonstrated that (1) HMF was detectable in the brain 10 and 30 min after its oral administration, (2) orally administered HMF improved chronic unpredictable mild stress (CUMS)-induced pathological conditions, including body weight loss and depressive-like behavior, and CUMS-induced neurochemical changes, such as reduction in BDNF expression, decrease in neurogenesis, and decreased level of phosphorylated calcium-calmodulin-dependent protein kinase II in the hippocampus, and (3) these effects of HMF were inhibited by the pre-administration of U0126, a mitogen-activated protein (MAP) kinase inhibitor...
October 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29021765/enhancing-neuroplasticity-to-augment-cognitive-remediation-in-schizophrenia
#19
REVIEW
Carol Jahshan, Yuri Rassovsky, Michael F Green
There is a burgeoning need for innovative treatment strategies to improve the cognitive deficits in schizophrenia. Cognitive remediation (CR) is effective at the group level, but the variability in treatment response is large. Given that CR may depend on intact neuroplasticity to produce cognitive gains, it is reasonable to combine it with strategies that harness patients' neuroplastic potential. In this review, we discuss two non-pharmacological approaches that can enhance neuroplasticity and possibly augment the effects of CR in schizophrenia: physical exercise and transcranial direct current stimulation (tDCS)...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29020410/the-requirement-of-l-type-voltage-dependent-calcium-channel-l-vdcc-in-the-rapid-acting-antidepressant-like-effects-of-scopolamine-in-mice
#20
Hanjie Yu, Mengmeng Li, Xinbei Shen, Dan Lv, Xin Sun, Jinting Wang, Xinmei Gu, Jingning Hu, Chuang Wang
Background: Previous studies have shown that a low dose of scopolamine produces rapid-acting antidepressant-like actions in rodents. Understanding the mechanisms underlying this effect and the dose-dependent variations of drug responses remains an important task. L-type voltage-dependent calcium channels (L-VDCC) were found to mediate rapid-acting antidepressant effects of certain medications (e.g., ketamine). Therefore, it is of great interest to determine the involvement of L-VDCC in the action of scopolamine...
August 25, 2017: International Journal of Neuropsychopharmacology
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