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CNS Neuroscience & Therapeutics

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https://www.readbyqxmd.com/read/28547794/antidepressant-like-effects-of-tetrahydroxystilbene-glucoside-in-mice-involvement-of-bdnf-signaling-cascade-in-the-hippocampus
#1
Hao Wang, Ying Zhao, Ying-Jie Wang, Lu Song, Jin-Liang Wang, Chao Huang, Wei Zhang, Bo Jiang
BACKGROUND AND AIMS: Current antidepressants in clinic need weeks of administration and always have significant limitations. Tetrahydroxystilbene glucoside (TSG) is one of the major bioactive ingredients of Polygonum multiflorum with neuroprotective effects. This study aimed to evaluate the antidepressant effects of TSG in mice. METHODS: The antidepressant-like effects of TSG in mice were examined in the forced swim test (FST), tail suspension test (TST), and chronic social defeat stress (CSDS) model of depression...
May 25, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28544790/roles-of-autophagy-and-endoplasmic-reticulum-stress-in-intracerebral-hemorrhage-induced-secondary-brain-injury-in%C3%A2-rats
#2
Xiao-Chun Duan, Wei Wang, Dong-Xia Feng, Jia Yin, Gang Zuo, Dong-Dong Chen, Zhou-Qing Chen, Hai-Ying Li, Zhong Wang, Gang Chen
OBJECTIVES: This study aimed to evaluate the roles of autophagy and endoplasmic reticulum (ER) stress in intracerebral hemorrhage (ICH)-induced secondary brain injury (SBI) in rats. METHODS: Autophagy inducer (rapamycin) and inhibitor (3-methyladenine), as well as ER stress activator (tunicamycin, TM) and inhibitor (tauroursodeoxycholic acid, TUDCA), were used. Bafilomycin A1, an inhibitor of autophagosome-lysosome fusion, was used to assess autophagic flux. RESULTS: Autophagy and ER stress were enhanced in the week after ICH...
May 19, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28544775/potentiation-of-spinal-glutamatergic-response-in-the-neuron-glia-interactions-underlies-the-intrathecal-il-1%C3%AE-induced-thermal-hyperalgesia-in-rats
#3
Chun-Sung Sung, Zhi-Hong Wen, Chien-Wei Feng, Chun-Hong Chen, Shi-Ying Huang, Nan-Fu Chen, Wu-Fu Chen, Chih-Shung Wong
AIMS: We previously demonstrated that intrathecal IL-1β upregulated phosphorylation of p38 mitogen-activated protein kinase (P-p38 MAPK) and inducible nitric oxide synthase (iNOS) in microglia and astrocytes in spinal cord, increased nitric oxide (NO) release into cerebrospinal fluid, and induced thermal hyperalgesia in rats. This study investigated the role of spinal glutamatergic response in intrathecal IL-1β-induced nociception in rats. METHODS: The pretreatment effects of MK-801 (5 μg), minocycline (20 μg), and SB203580 (5 μg) on intrathecal IL-1β (100 ng) in rats were measured by behavior, Western blotting, CSF analysis, and immunofluorescence studies...
May 19, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28544487/acute-quadriplegia-following-a-minimal-injury-in-the-posterior-pharyngeal-wall-by-a-fishbone
#4
LETTER
Shui-Hong Zheng, Yang Li, She-Qing Zhang
No abstract text is available yet for this article.
May 19, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28485547/pseudoginsenoside-f11-attenuates-cerebral-ischemic-injury-by%C3%A2-alleviating-autophagic-lysosomal-defects
#5
Yue-Yang Liu, Tian-Yu Zhang, Xue Xue, Dong-Mei Liu, Hao-Tian Zhang, Lin-Lin Yuan, Ying-Lu Liu, Han-Lin Yang, Shi-Bo Sun, Cheng Zhang, He-Song Xu, Chun-Fu Wu, Jing-Yu Yang
AIMS: Pseudoginsenoside-F11 (PF11), an ocotillol-type ginsenoside, has been reported to exert wide-ranging neuroprotective properties. The aim of this study was to investigate the effect and potential mechanisms of PF11 on the autophagic/lysosomal pathway following ischemic stroke. METHODS: Male Sprague-Dawley rats underwent permanent middle cerebral artery occlusion (pMCAO). Cerebral ischemia outcome, TUNEL staining, Fluoro-Jade B staining were carried out 24 hours poststroke...
May 9, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28317272/roles-of-ng2-glia-in-ischemic-stroke
#6
REVIEW
Fei-Er Song, Jia-Lv Huang, Si-Han Lin, Shuo Wang, Guo-Fen Ma, Xiao-Ping Tong
Recent studies have shown that a widely distributed class of glial cells, termed NG2-glia, engages in rapid signaling with surrounding neurons through direct synaptic contacts in the developing and mature central nervous system (CNS). This unique glial cell group has a typical function of proliferating and differentiating into oligodendrocytes during early development of the brain, which is crucial to axon myelin formation. Therefore, NG2-glia are also called oligodendrocyte precursor cells (OPCs). In vitro and in vivo studies reveal that NG2-glia expressing receptors and ion channels demonstrate functional significance for rapid signaling with neuronal synapses and modulation of neuronal activities in both physiological and pathological conditions...
March 19, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28261990/dendrobium-nobile-lindl-alkaloid-a-novel-autophagy-inducer-protects-against-axonal-degeneration-induced-by-a%C3%AE-25-35-in-hippocampus-neurons-in-vitro
#7
Li-Sheng Li, Yan-Liu Lu, Jing Nie, Yun-Yan Xu, Wei Zhang, Wen-Jin Yang, Qi-Hai Gong, Yuan-Fu Lu, Yang Lu, Jing-Shan Shi
AIMS: Axonal degeneration is a pathological symbol in the early stage of Alzheimer's disease (AD), which can be triggered by amyloid-β (Aβ) peptide deposition. Growing evidence indicates that deficit of autophagy eventually leads to the axonal degeneration. Our previous studies have shown that Dendrobium nobile Lindl alkaloid (DNLA) had protective effect on neuron impairment in vivo and in vitro; however, the underlying mechanisms is still unclear. METHODS: We exposed cultured hippocampus neurons to Aβ25-35 to investigate the effect of DNLA in vitro...
March 5, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28256111/sirt1-dependent-ampk-pathway-in-the-protection-of-estrogen-against-ischemic-brain-injury
#8
Jin-Min Guo, He Shu, Lei Wang, Jian-Jiang Xu, Xue-Cai Niu, Li Zhang
AIMS: Stroke is a major cause of mortality and disability, especially for postmenopausal women. In view of the protective action of estrogen, hormone therapy remains the only effective way to limit this risk. The objective of this study was to investigate the efficiency and underlying mechanisms of estrogen neuroprotection. METHODS: Subcutaneous injection of 17β-estradiol in rats after ovariectomy (OVX) was used to manipulate estrogen level and explore the effects of estrogen in cerebral ischemic damage both in vivo and in vitro...
March 2, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28466999/sarsasapogenin-aa13-ameliorates-a%C3%AE-induced-cognitive-deficits-via-improving-neuroglial-capacity-on-a%C3%AE-clearance-and-antiinflammation
#9
Cui Huang, Dong Dong, Qian Jiao, Hui Pan, Lei Ma, Rui Wang
AIMS: Sarsasapogenin has been reported to improve dementia symptoms somehow, probably through modulating the function of cholinergic system, suppressing neurofibrillary tangles, and inhibiting inflammation. However, the role of sarsasapogenin in response to beta-amyloid (Aβ) remains to be delineated. This study aimed to determine the therapeutic effect of sarsasapogenin-13 (AA13, a sarsasapogenin derivative) on learning and memory impairments in Aβ-injected mice, as well as the role of AA13 in neuroglia-mediated antiinflammation and Aβ clearance...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28464463/resting-state-connectivity-and-modulated-somatomotor-and-default-mode-networks-in-huntington-disease
#10
Cristina Sánchez-Castañeda, Francesco de Pasquale, Chiara Falletta Caravasso, Massimo Marano, Sabrina Maffi, Simone Migliore, Umberto Sabatini, Ferdinando Squitieri
AIMS: To analyze brain functional connectivity in the somatomotor and default-mode networks (DMNs) of patients with Huntington disease (HD), its relationship with gray matter (GM) volume loss, and functional changes after pridopidine treatment. METHODS: Ten patients and ten untreated controls underwent T1-weighted imaging and resting-state functional magnetic resonance imaging (fMRI); four patients were also assessed after 3 months of pridopidine treatment (90 mg/d)...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28452182/local-injection-of-lenti-olig2-at-lesion-site-promotes-functional-recovery-of-spinal-cord-injury-in-rats
#11
Bo-Tao Tan, Long Jiang, Li Liu, Ying Yin, Ze-Ru-Xin Luo, Zai-Yun Long, Sen Li, Le-Hua Yu, Ya-Min Wu, Yuan Liu
AIMS: Olig2 is one of the most critical factors during CNS development, which belongs to b-HLH transcription factor family. Previous reports have shown that Olig2 regulates the remyelination processes in CNS demyelination diseases models. However, the role of Olig2 in contusion spinal cord injury (SCI) and the possible therapeutic effects remain obscure. This study aims to investigate the effects of overexpression Olig2 by lentivirus on adult spinal cord injury rats. METHODS: Lenti-Olig2 expression and control Lenti-eGFP vectors were prepared, and virus in a total of 5 μL (10(8) TU/mL) was locally injected into the injured spinal cord 1...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28429536/%C3%AE-mangostin-decreases-%C3%AE-amyloid-peptides-production-via-modulation-of-amyloidogenic-pathway
#12
Lan-Xue Zhao, Yan Wang, Ting Liu, Yan-Xia Wang, Hong-Zhuan Chen, Jian-Rong Xu, Yu Qiu
AIMS: β-amyloid (Aβ) aggregation and deposition play a central role in the pathogenic process of Alzheimer's disease (AD). α-Mangostin (α-M), a polyphenolic xanthone, have been shown to dissociate Aβ oligomers. In this study, we further investigated the effect of α-M on Aβ production and its molecular mechanism. METHODS: The Aβ and soluble amyloid precursor protein α (sAPPα) in culture medium of cortical neurons were measured by ELISA. The activities of α-, β-, and γ-secretases were assayed, and the interaction between α-M and β- or γ-secretases was simulated by molecular docking...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28429535/a-cross-circulated-bicephalic-model-of-head-transplantation
#13
Peng-Wei Li, Xin Zhao, Yun-Long Zhao, Bing-Jian Wang, Yang Song, Zi-Long Shen, Hong-Jun Jiang, Hai Jin, Sergio Canavero, Xiao-Ping Ren
AIMS: A successful cephalosomatic anastomosis ("head transplant") requires, among others, the ability to control long-term immune rejection and avoidance of ischemic events during the head transference phase. We developed a bicephalic model of head transplantation to study these aspects. METHODS AND RESULTS: The thoracic aorta and superior vena cava of a donor rat were anastomosed with the carotid artery and extracorporeal veins of a recipient rat by vascular grafts...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28421673/endothelial-erbb4-deficit-induces-alterations-in-exploratory-behavior-and-brain-energy-metabolism-in-mice
#14
Gang Wu, Xiu-Xiu Liu, Nan-Nan Lu, Qi-Bing Liu, Yun Tian, Wei-Feng Ye, Guo-Jun Jiang, Rong-Rong Tao, Feng Han, Ying-Mei Lu
AIMS: The receptor tyrosine kinase ErbB4 is present throughout the primate brain and has a distinct functional profile. In this study, we investigate the potential role of endothelial ErbB4 receptor signaling in the brain. RESULTS: Here, we show that the endothelial cell-specific deletion of ErbB4 induces decreased exploratory behavior in adult mice. However, the water maze task for spatial memory and the memory reconsolidation test reveal no changes; additionally, we observe no impairment in CaMKII phosphorylation in Cdh5Cre;ErbB4(f/f) mice, which indicates that the endothelial ErbB4 deficit leads to decreased exploratory activity rather than direct memory deficits...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28417590/calcitonin-gene-related-peptide-cgrp-a-novel-target-for-alzheimer-s-disease
#15
REVIEW
Yogendra Singh, Gaurav Gupta, Birendra Shrivastava, Rajiv Dahiya, Juhi Tiwari, Madhu Ashwathanarayana, Rakesh Kumar Sharma, Mohit Agrawal, Anurag Mishra, Kamal Dua
Alzheimer's disease (AD) is leading cause of death among older characterized by neurofibrillary tangles, oxidative stress, progressive neuronal deficits, and increased levels of amyloid-β (Aβ) peptides. Cholinergic treatment could be the best suitable physiological therapy for AD. Calcitonin gene-related peptide (CGRP) is a thirty-seven-amino acid regulatory neuropeptide resulting from different merging of the CGRP gene, which also includes adrenomedullin, amylin, calcitonin, intermedin, and calcitonin receptor-stimulating peptide...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28417559/asenapine-modulates-mood-related-behaviors-and-5-ht1a-7-receptors-mediated-neurotransmission
#16
Sarah Delcourte, Erika Abrial, Adeline Etiévant, Renaud Rovera, Jørn Arnt, Michael Didriksen, Nasser Haddjeri
AIM: Asenapine is a new atypical antipsychotic prescribed for the treatment of psychosis/bipolar disorders that presents higher affinity for serotonergic than dopaminergic receptors. The objective of this study was to investigate its antidepressant-like and antimanic-like properties on relevant animal models of depression and mania and to assess the acute and chronic effect of Asenapine on dorsal raphe nucleus (DRN) 5-HT cell firing activity. METHODS: We assessed the effects of Asenapine using in vivo electrophysiological and behavioral assays in rats...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28374506/g-csf-and-cognitive-dysfunction-in-elderly-diabetic-mice-with-cerebral-small-vessel-disease-preventive-intervention-effects-and-underlying-mechanisms
#17
Zhu-Fei Guan, Ying-Hong Tao, Xiao-Ming Zhang, Qi-Lin Guo, Ying-Chao Liu, Yu Zhang, Yan-Mei Wang, Gang Ji, Guo-Feng Wu, Na-Na Wang, Hao Yang, Zhong-Yu Yu, Jing-Chun Guo, Hou-Guang Zhou
AIMS: Although cognitive dysfunction is a common neurological complication in elderly patients with diabetes, the mechanisms underlying this relationship remain unclear, and effective preventive interventions have yet to be developed. Thus, this study investigated the preventive effects and mechanisms of action associated with granulocyte colony-stimulating factor (G-CSF) on cognitive dysfunction in elderly diabetic mice with cerebral small vessel disease. METHODS: This study included 40 male db/db diabetic and wild-type (WT) mice that were categorized into the following four groups at the age of 3 weeks: db/db group (DG), db/db+G-CSF group (DGG), WT group (WG), and WT+G-CSF group (WGG)...
June 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28371468/tremorolytic-effect-of-5-chloro-5-deoxy-%C3%A2-enba-a-potent-and-selective-adenosine-a1-receptor-agonist-evaluated-in-the-harmaline-induced-model-in-rats
#18
Barbara Kosmowska, Krystyna Ossowska, Urszula Głowacka, Jadwiga Wardas
AIM: The aim of this study was to examine the role of adenosine A1 receptors in the harmaline-induced tremor in rats using 5'-chloro-5'-deoxy-(±)-ENBA (5'Cl5'd-(±)-ENBA), a brain-penetrant, potent, and selective adenosine A1 receptor agonist. METHODS: Harmaline was injected at a dose of 15 mg/kg ip and tremor was measured automatically in force-plate actimeters by an increased averaged power in the frequency band of 9-15 Hz (AP2) and by tremor index (a difference in power between AP2 and averaged power in the frequency band of 0-8 Hz)...
May 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28371323/neuroprotective-effects-of-e-podofavalin-15999-atremorine%C3%A2
#19
LETTER
Alejandro Romero, Esther Parada, Laura González-Lafuente, Victor Farré-Alins, Eva Ramos, Ramón Cacabelos, Javier Egea
No abstract text is available yet for this article.
May 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28296282/sildenafil-reduces-neuroinflammation-in-cerebellum-restores-gabaergic-tone-and-improves-motor-in-coordination-in-rats-with-hepatic-encephalopathy
#20
Ana Agusti, Vicente Hernández-Rabaza, Tiziano Balzano, Lucas Taoro-Gonzalez, Andrea Ibañez-Grau, Andrea Cabrera-Pastor, Santos Fustero, Marta Llansola, Carmina Montoliu, Vicente Felipo
AIMS: Patients with liver disease may develop hepatic encephalopathy (HE), with cognitive impairment and motor in-coordination. Rats with HE due to portacaval shunts (PCS) show motor in-coordination. We hypothesized that in PCS rats: (i) Motor in-coordination would be due to enhanced GABAergic tone in cerebellum; (ii) increased GABAergic tone would be due to neuroinflammation; (iii) increasing cGMP would reduce neuroinflammation and GABAergic tone and restore motor coordination. To assess these hypotheses, we assessed if (i) treatment with sildenafil reduces neuroinflammation; (ii) reduced neuroinflammation is associated with reduced GABAergic tone and restored motor coordination...
May 2017: CNS Neuroscience & Therapeutics
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