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https://www.readbyqxmd.com/read/28819313/the-protein-and-mrna-expression-levels-of-glial-cell-line-derived-neurotrophic-factor-in-post-stroke-depression-and-major-depressive-disorder
#1
Yanran Zhang, Haitang Jiang, Yingying Yue, Yingying Yin, Yuqun Zhang, Jinfeng Liang, Shenghua Li, Jun Wang, Jianxin Lu, Deqin Geng, Aiqin Wu, Yonggui Yuan
Previous studies have indicated that the level of glial cell line-derived neurotrophic factor (GDNF) may be correlated with stroke and depression. Here, we investigated whether GDNF can be a discriminant indicator for post stroke depression (PSD). 159 participants were divided into four groups: PSD, stroke without depression (Non-PSD), major depressive disorder (MDD) and normal control (NC) group, and the protein and mRNA expression levels of GDNF in serum were measured. The results showed that only MDD group had statistical difference in protein and mRNA levels compared with the other three groups (Bonferroni test, P < 0...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28803094/brief-psychoeducation-for-bipolar-disorder-evaluation-of-trophic-factors-serum-levels-in-young-adults
#2
Carolina David Wiener, Mariane Lopez Molina, Fernanda Pedrotti Moreira, Miguel Bezerra Dos Passos, Karen Jansen, Ricardo Azevedo da Silva, Luciano Dias de Mattos Souza, Jean Pierre Oses
The aim of this study was to evaluate the impact of psychoeducation in serum levels of BDNF, NGF and GDNF in young adults presenting bipolar disorder (BD). This is a randomized clinical trial including 39 young adults (18-29 years) diagnosed with BD through the Structured Clinical Interview for DSM-IV (SCID-CV). Participants were randomized in two treatment groups: usual treatment (medication) and combined intervention (medication plus psychoeducation). Depressive symptoms were assessed using the Hamilton Depression Rating Scale (HDRS) and severity of manic and hypomanic symptoms was evaluated through the Young Mania Rating Scale (YMRS)...
July 31, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28802897/the-different-effects-of-lithium-and-tamoxifen-on-memory-formation-and-the-levels-of-neurotrophic-factors-in-the-brain-of-male-and-female-rats
#3
Samira S Valvassori, Cenita Borges, Roger B Varela, Daniela V Bavaresco, Guilherme Bianchini, Edemilson Mariot, Camila O Arent, Wilson R Resende, Josiane Budni, João Quevedo
Lithium (Li) is a mood-stabilizing drug used in the treatment of bipolar disorder (BD). Recently, preclinical studies have demonstrated the potential of tamoxifen (TMX) in the treatment of acute episodes of BD. However, the prolonged use of TMX for mood disorders treatment is controversial. In this study, we evaluated the effects of TMX or Li on cognitive behavior, as well as the levels of neurotrophic factors in the brain of male and female rats. Male and female Wistar rats received administrations of water (control group), TMX or Li via gavage for a period of 28 days; the rats were then subjected to the open-field test (to evaluate spontaneous locomotion), and the novel object recognition and step-down inhibitory avoidance tests (to evaluate cognition)...
August 9, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28797567/docosahexaenoic-acid-induces-glial-cell-line-derived-neurotrophic-factor-release-in-c6-glioma-cells-implications-of-antidepressant-effects-for-docosahexaenoic-acid
#4
Lanqiu Zhang, Zhuoran Zhu, Zhoubin Tan, Hongyan Luo, Xinwu Hu, Yan Li
Dietary deficiency of n-3 polyunsaturated fatty acids (PUFAs) is involved in the pathophysiology and etiology of major depressive disorder. Supplementation with docosahexaenoic acid (DHA) exerts antidepressant-like effect; however, the molecular mechanism of DHA action remains unclear. Here we examined the effects of DHA on the modulation of glial cell line-derived neurotrophic factor (GDNF), which is essential for neural development, plasticity, neurogenesis, and survival. We demonstrated that DHA treatment significantly increased GDNF release in a concentration dependent manner in rat C6 glioma cells (C6 cells) and primary cultured rat astrocytes, which is also associated with increased expression of GDNF mRNA...
August 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28795616/the-effects-of-glial-cell-line-derived-neurotrophic-factor-after-spinal-cord-injury
#5
Konstantin Rosich, Bishoy Hanna, Rami K Ibrahim, Daniel Joseph Hellenbrand, Amgad Hanna
Spinal cord injury (SCI) is a devastating condition affecting 270,000 people in the United States. The use of growth factors is a potential treatment for reducing secondary damage, promoting axon growth and restoring some of the lost function after SCI. Glial cell line-derived neurotrophic factor (GDNF) is an important growth factor, because it can affect both neurons and support cells. Here, we give an in depth review of the previously published literature where GDNF was used to treat SCI. The effects of GDNF have been shown to decrease lesion size, improve allodynia, and regenerate axons in the central nervous system and peripheral nervous system...
August 10, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28782282/the-effect-of-amino-plasma-enhanced-chemical-vapor-deposition-treated-titanium-surface-on-schwann-cells
#6
Jinghui Zhao, Yu Guo, Lan A, Wenjing Luo, Xiaona Wang, Li Fu, Qing Cai, Yanmin Zhou
The surface modification of titanium and its alloys with amino group plasma-enhanced chemical vapor deposition has been proven to enhance the performance of implants on initial osteoblast bioactivity in vitro. However, scarce information on the effect of this kind of surface modification on nerve regeneration exists. In this study, the surface chemistry of pure Ti disks and surface-modified disks was examined using X-ray photoelectron spectroscopy. Cell counting kit 8 assay, 4,6-diamidino-2-phenylindole staining, flow cytometry, and scanning electron microscopy showed that either the p30% or cw+p30% mode-mediated surface significantly promote Schwann cell adhesion without any cytotoxicity compared with the pure Ti surface, and the cw+p30% group showed the best performance on cell adhesion...
August 7, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28780280/schisandrin-rescues-depressive-like-behaviors-induced-by-chronic-unpredictable-mild-stress-via-gdnf-erk1-2-ros-and-pi3k-akt-nox-signaling-pathways-in-mice
#7
Shutong Wan, Mengjie Xu, Liwen Hu, Tingxu Yan, Bosai He, Feng Xiao, Kaishun Bi, Ying Jia
The current study aimed to prove the antidepressant-like effects and the probable mechanisms of Schisandrin on depression, which induced by chronic unpredictable mild stress (CUMS) in mice. Four weeks of CUMS exposure resulted in depressive-like behavior, as indicated by the significant decrease in sucrose consumption and increase the immobility time in the forced swim test, but without any influence on the locomotor activity. Further, there were significant downregulations of GDNF/ERK1/2/ROS and PI3K/AKT/NOX signaling pathways in the hippocampus and prefrontal cortex in depressed mice...
August 1, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28759126/ep2-receptor-plays-pivotal-roles-in-generating-mechanical-hyperalgesia-after-lengthening-contraction
#8
Hiroki Ota, Kimiaki Katanosaka, Shiori Murase, Tomoyuki Furuyashiki, Shuh Narumiya, Kazue Mizumura
INTRODUCTION: We previously demonstrated that nerve growth factor (NGF) and glial cell line-derived neurotrophic factor (GDNF) were upregulated after lengthening contraction (LC) in exercised muscle through B2 bradykinin receptor activation and cyclooxygenase (COX)-2 upregulation, respectively, and that these trophic factors sensitized nociceptors resulting in mechanical hyperalgesia (delayed-onset muscle soreness, DOMS). Here we examined the prostaglandin receptor subtype involved in DOMS...
July 31, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28753652/the-phosphodiesterase-inhibitor-ibudilast-attenuates-neuroinflammation-in-the-mptp-model-of-parkinson-s-disease
#9
Joanna Schwenkgrub, Malgorzata Zaremba, Ilona Joniec-Maciejak, Agnieszka Cudna, Dagmara Mirowska-Guzel, Iwona Kurkowska-Jastrzębska
BACKGROUND/AIMS: Since the degeneration of the nigrostriatal dopaminergic pathway in Parkinson's disease (PD) is associated with the inflammation process and decreased levels of cyclic nucleotides, inhibition of up-regulated cyclic nucleotide phosphodiesterases (PDEs) appears to be a promising therapeutic strategy. We used ibudilast (IBD), a non-selective PDE3,4,10,11 inhibitor, due to the abundant PDE 4 and 10 expression in the striatum. The present study for the first time examined the efficacy of IBD in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of PD...
2017: PloS One
https://www.readbyqxmd.com/read/28743043/neurotrophy-and-immunomodulation-of-induced-neural-stem-cell-grafts-in-a-mouse-model-of-closed-head-injury
#10
Mou Gao, Hui Yao, Qin Dong, Yan Zhang, Yang Yang, Yihua Zhang, Zhijun Yang, Minhui Xu, Ruxiang Xu
Closed head injury (CHI) usually results in severe and permanent neurological impairments, which are caused by several intertwined phenomena, such as cerebral edema, blood-brain barrier (BBB) disruption, neuronal loss, astroglial scarring and inflammation. We previously reported that induced neural stem cells (iNSCs), similar to neural stem cells (NSCs), can accelerate neurological recovery in vivo and produce neurotrophic factors in vitro. However, the effects of iNSC neurotrophy following CHI were not determined...
July 18, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28732710/cytokine-profiling-in-the-prefrontal-cortex-of-parkinson-s-disease-and-multiple-system-atrophy-patients
#11
Rasmus Rydbirk, Betina Elfving, Mille Dahl Andersen, Mia Aggergaard Langbøl, Jonas Folke, Kristian Winge, Bente Pakkenberg, Tomasz Brudek, Susana Aznar
Parkinson's Disease (PD) and Multiple System Atrophy (MSA) are neurodegenerative diseases characterized neuropathologically by alpha-synuclein accumulation in brain cells. This accumulation is hypothesized to contribute to constitutive neuroinflammation, and to participate in the neurodegeneration. Cytokines, which are the main inflammatory signalling molecules, have been identified in blood and cerebrospinal fluid of PD patients, but studies investigating the human brain levels are scarce. It is documented that neurotrophins, necessary for survival of brain cells and known to interact with cytokines, are altered in the basal ganglia of PD patients...
July 19, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28714000/circulating-levels-of-angiogenesis-related-growth-factors-in-breast-cancer-a-study-to-profile-proteins-responsible-for-tubule-formation
#12
Gemma A Barron, Marie Goua, Klaus W J Wahle, Giovanna Bermano
The present study exploited a versatile in vitro endothelial cell/fibroblast co-culture cell system to investigate the association between angiogenesis and breast cancer by comparing the capacity of plasma from women with breast cancer and age-matched controls, to influence tubule formation and modulate angiogenesis in vitro, and to identify plasma circulating factors which might be responsible. Plasma from women with breast cancer (n=8) (added on day 7 after co-culture establishment) significantly increased tubule formation by 57% (P<0...
July 11, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28694020/transdifferentiation-of-brain-derived-neurotrophic-factor-bdnf-secreting-mesenchymal-stem-cells-significantly-enhance-bdnf-secretion-and-schwann-cell-marker-proteins
#13
Metzere Bierlein De la Rosa, Anup D Sharma, Surya K Mallapragada, Donald S Sakaguchi
The use of genetically modified mesenchymal stem cells (MSCs) is a rapidly growing area of research targeting delivery of therapeutic factors for neuro-repair. Cells can be programmed to hypersecrete various growth/trophic factors such as brain-derived neurotrophic factor (BDNF), glial cell line-derived neurotrophic factor (GDNF), and nerve growth factor (NGF) to promote regenerative neurite outgrowth. In addition to genetic modifications, MSCs can be subjected to transdifferentiation protocols to generate neural cell types to physically and biologically support nerve regeneration...
July 7, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28693648/optimal-doses-of-egf-and-gdnf-act-as-biological-response-modifiers-to-improve-porcine-oocyte-maturation-and-quality
#14
Mehdi Vafaye Valleh, Nahid Karimi Zandi, Mikkel Aabech Rasmussen, Poul Hyttel
It is well documented that both epidermal growth factor (EGF) and glial cell line-derived neurotrophic factor (GDNF) are critical for porcine oocyte maturation, however, little information is known about their mechanism of action in vitro. To gain insight into the mechanisms of action of the optimum doses of EGF and GDNF on porcine oocyte maturation, porcine cumulus-oocyte complexes (COCs) were matured in defined porcine oocyte medium supplemented with EGF, GDNF or a combination of both at varying concentrations (0-100 ng/ml) for 44 h...
July 11, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28689143/glial-cell-line-derived-neurotrophic-factor-gdnf-serum-level-in-women-with-schizophrenia-and-depression-correlation-with-clinical-and-metabolic-parameters
#15
Maria Skibinska, Pawel Kapelski, Joanna Pawlak, Aleksandra Rajewska-Rager, Monika Dmitrzak-Weglarz, Aleksandra Szczepankiewicz, Piotr Czerski, Joanna Twarowska-Hauser
AIM: Neurotrophic factors have been implicated in neuropsychiatric disorders, including schizophrenia and depression. Glial Cell Line-Derived Neurotrophic Factor (GDNF) promotes development, differentiation, and protection of dopaminergic, serotonergic, GABAergic and noradrenergic neurons as well as glial cells in different brain regions. This study examined serum levels of GDNF in schizophrenia and depression and its correlation with metabolic parameters during 8 weeks of treatment. METHODS: Serum GDNF level, fasting serum glucose and lipid profile were measured at baseline and week 8 in 133 women: 55 with schizophrenia, 30 with a first episode depression and 48 healthy controls...
July 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28680451/the-proliferation-enhancing-effects-of-salidroside-on-schwann-cells-in-vitro
#16
Hui Liu, Peizhen Lv, Huayu Wu, Kun Zhang, Fuben Xu, Li Zheng, Jinmin Zhao
Derived from Rhodiola rosea L., which is a popular plant in Eastern Europe and Asia, salidroside has pharmacological properties including antiviral, anticancer, hepatoprotective, antidiabetic, and antioxidative effects. Recent studies show that salidroside has neurotrophic and neuroprotective effects. However, the effect of salidroside on Schwann cells (SCs) and the underlying mechanisms of the salidroside-induced neurotrophin secretion have seldom been studied. In this study, the effect of salidroside on the survival, proliferation, and gene expression of Schwann cells lineage (RSC96) was studied through the examinations of the cell viability, proliferation, morphology, and expression of neurotrophic factor related genes including BDNF, GDNF, and CDNF at 2, 4, and 6 days, respectively...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28680400/a-novel-small-molecule-gdnf-receptor-ret-agonist-bt13-promotes-neurite-growth-from-sensory-neurons-in-vitro-and-attenuates-experimental-neuropathy-in-the-rat
#17
Yulia A Sidorova, Maxim M Bespalov, Agnes W Wong, Oleg Kambur, Viljami Jokinen, Tuomas O Lilius, Ilida Suleymanova, Gunnar Karelson, Pekka V Rauhala, Mati Karelson, Peregrine B Osborne, Janet R Keast, Eija A Kalso, Mart Saarma
Neuropathic pain caused by nerve damage is a common and severe class of chronic pain. Disease-modifying clinical therapies are needed as current treatments typically provide only symptomatic relief; show varying clinical efficacy; and most have significant adverse effects. One approach is targeting either neurotrophic factors or their receptors that normalize sensory neuron function and stimulate regeneration after nerve damage. Two candidate targets are glial cell line-derived neurotrophic factor (GDNF) and artemin (ARTN), as these GDNF family ligands (GFLs) show efficacy in animal models of neuropathic pain (Boucher et al...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28670516/generation-of-mouse-spermatogonial-stem-cell-colonies-in-a-non-adherent-culture
#18
Hossein Azizi, Thomas Skutella, Abdolhossein Shahverdi
OBJECTIVE: The properties of self-renewal and division in spermatogonial stem cells (SSCs) support spermatogenesis. There is a number of reported methods for in vitro SSC culture systems. The development of a culture system that effectively supports isolation and selfrenewal of germline stem cells (GSCs) is of tremendous benefit for clinical trials, experimental research, and as potential treatment for male infertility. The current study aims to consider the cultivation and behavior of GSCs in a non-adherent culture system...
July 2017: Cell Journal
https://www.readbyqxmd.com/read/28666950/intracerebral-injections-of-dna-nanoparticles-encoding-for-a-therapeutic-gene-provide-partial-neuroprotection-in-an-animal-model-of-neurodegeneration
#19
David Yurek, Ulla Hasselrot, Ozge Sesenoglu-Laird, Linas Padegimas, Mark Cooper
This study reports proof of concept for administering compacted DNA nanoparticles (DNPs) intracerebrally as a means to protect against neurotoxin-induced neurodegeneration of dopamine (DA) neurons. In this study we used DNPs that encoded for human glial cell line-derived neurotrophic factor (hGDNF); GDNF is a potent neurotrophic factor for DA neurons. Intracerebral injections of DNPs into the striatum and/or substantia nigra were performed 1 week before treatment with a neurotoxin. We observed that the number of surviving DA cells, the density of DA fiber terminals and recovery of motor function were greater in animals injected with GDNF-encoding DNPs than in control animals receiving DNPs encoding for an inert reporter gene...
June 27, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28666800/a-novel-glp-1-gip-dual-agonist-is-more-effective-than-liraglutide-in-reducing-inflammation-and-enhancing-gdnf-release-in-the-mptp-mouse-model-of-parkinson-s-disease
#20
Ziyue Yuan, Dongfang Li, Peng Feng, Guofang Xue, Chenhui Ji, Guanglai Li, Christian Hölscher
Type 2 diabetes mellitus (T2DM) is one of the risk factors for Parkinson's disease (PD). Insulin desensitisation has been observed in the brains of patients, which may promote neurodegeneration. Incretins are a family of growth factors that can re-sensitise insulin signalling. We have previously shown that mimetics of glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) have neuroprotective effects in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropypridine (MPTP) mouse model of PD...
June 27, 2017: European Journal of Pharmacology
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