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CNS Neuroscience & Therapeutics

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https://www.readbyqxmd.com/read/28317272/roles-of-ng2-glia-in-ischemic-stroke
#1
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/28294542/pras40-alleviates-neurotoxic-prion-peptide-induced-apoptosis-via-mtor-akt-signaling
#2
Wei Yang, Li-Feng Yang, Zhi-Qi Song, Syed Zahid Ali Shah, Yong-Yong Cui, Chao-Si Li, Hua-Fen Zhao, Hong-Li Gao, Xiang-Mei Zhou, De-Ming Zhao
AIMS: The proline-rich Akt substrate of 40-kDa (PRAS40) protein is a direct inhibitor of mTORC1 and an interactive linker between the Akt and mTOR pathways. The mammalian target of rapamycin (mTOR) is considered to be a central regulator of cell growth and metabolism. Several investigations have demonstrated that abnormal mTOR activity may contribute to the pathogenesis of several neurodegenerative disorders and lead to cognitive deficits. METHODS: Here, we used the PrP peptide 106-126 (PrP(106-126) ) in a cell model of prion diseases (also known as transmissible spongiform encephalopathies, TSEs) to investigate the mechanisms of mTOR-mediated cell death in prion diseases...
March 14, 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
#3
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...
March 11, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28271615/neurotropin%C3%A2-alleviates-hippocampal-neuron-damage-through-a-hif-1%C3%AE-mapk-pathway
#4
Wen-Li Fang, De-Qiang Zhao, Fei Wang, Mei Li, Sheng-Nuo Fan, Wang Liao, Yu-Qiu Zheng, Shao-Wei Liao, Song-Hua Xiao, Ping Luan, Jun Liu
AIMS: The main purpose was to verify the potent capacity of Neurotropin® against neuronal damage in hippocampus and to explore its underlying mechanisms. METHODS: HT22 cells were treated with 40 μmol/L Aβ25-35 in the presence of various concentrations of Neurotropin® or in its absence. The cell viability was assessed with a CCK-8 assay, and flow cytometry was used to measure cell apoptosis, intracellular ROS levels, and mitochondrial membrane potential. Aβ plaques were examined by Bielschowsky silver staining, and the activities of antioxidants were detected in hippocampus of APP/PS1 mice after Neurotropin® treatment...
March 7, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28266138/kinect-based-gait-analyses-of-patients-with-parkinson-s-disease-patients-with-stroke-with-hemiplegia-and-healthy-adults
#5
LETTER
Ya Cao, Bo-Zhi Li, Qian-Nan Li, Jing-Dan Xie, Bing-Zhen Cao, Sheng-Yuan Yu
No abstract text is available yet for this article.
March 6, 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
#6
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
#7
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/28256059/gsk-3%C3%AE-inhibitor-tdzd-8-reduces-neonatal-hypoxic-ischemic-brain-injury-in-mice
#8
Sammen Huang, Haitao Wang, Ekaterina Turlova, Ahmed Abussaud, Xiang Ji, Luiz R Britto, Steven P Miller, Ana Martinez, Hong-Shuo Sun, Zhong-Ping Feng
AIMS: Glycogen synthase kinase 3β (GSK-3β) is activated following hypoxic-ischemic (HI) brain injury. TDZD-8 is a specific GSK-3β inhibitor. Currently, the impact of inhibiting GSK-3β in neonatal HI injury is unknown. We aimed to investigate the effect of TDZD-8 following neonatal HI brain injury. METHODS: Unilateral common carotid artery ligation followed by hypoxia was used to induce HI injury in postnatal day 7 mouse pups pretreated with TDZD-8 or vehicle...
March 2, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28233453/oxidized-low-density-lipoprotein-induced-mouse-hippocampal-ht-22-cell-damage-via-promoting-the-shift-from-autophagy-to-apoptosis
#9
Hong-Feng Gu, Hai-Zhe Li, Xue-Jiao Xie, Ya-Ling Tang, Xiao-Qing Tang, Ya-Xiong Nie, Duan-Fang Liao
AIMS: Although oxidized low-density lipoprotein (ox-LDL) in the brain induces neuronal death, the mechanism underlying the damage effects remains largely unknown. Given that the ultimate outcome of a cell is depended on the balance between autophagy and apoptosis, this study was performed to explore whether ox-LDL induced HT-22 neuronal cell damage via autophagy impairment and apoptosis enhancement. METHODS: Flow cytometry and transmission electron microscopy (TEM) were used to evaluate changes in cell apoptosis and autophagy, respectively...
February 23, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28233427/shared-effects-of-the-clusterin-gene-on-the-default-mode-network-among-individuals-at-risk-for-alzheimer-s-disease
#10
Qing Ye, Fan Su, Hao Shu, Liang Gong, Chun-Ming Xie, Hong Zhou, Zhi-Jun Zhang, Feng Bai
AIMS: To explore the common effects of the clusterin (CLU) rs11136000 variant on the default mode network (DMN) in amnestic mild cognitive impairment (aMCI) subjects and remitted geriatric depression (RGD) subjects. METHODS: Fifty-one aMCI subjects, 38 RGD subjects, and 64 cognitively normal elderly subjects underwent resting-state fMRI scans and neuropsychological tests at both baseline and a 35-month follow-up. Posterior cingulate cortex seed-based functional connectivity (FC) analysis was used to obtain the DMN patterns...
February 23, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28229532/n-butylidenephthalide-treatment-prolongs-life-span-and-attenuates-motor-neuron-loss-in-sod1-g93a-mouse-model-of-amyotrophic-lateral-sclerosis
#11
Qin-Ming Zhou, Jing-Jing Zhang, Song Li, Sheng Chen, Wei-Dong Le
AIMS: To evaluate the therapeutic effects of n-butylidenephthalide (BP) in SOD1(G93A) mouse model of amyotrophic lateral sclerosis and explore the possible mechanisms. METHODS: The SOD1(G93A) mice were treated by oral administration of BP (q.d., 400 mg/kg d) starting from 60 days of age and continuing until death. The rotarod test was performed to assess the disease onset. The expression levels of apoptosis-related proteins, inflammatory molecules, and autophagy-associated proteins were determined...
February 22, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28195427/oculomotor-deficits-in-spinocerebellar-ataxia-type-3-potential-biomarkers-of-preclinical-detection-and-disease-progression
#12
Chao Wu, Ding-Bang Chen, Li Feng, Xiang-Xue Zhou, Ji-Wei Zhang, Hua-Jing You, Xiu-Ling Liang, Zhong Pei, Xun-Hua Li
AIMS: To detect specific oculomotor deficits in preclinical stage of spinocerebellar ataxia type 3 (SCA3) and evaluate whether these abnormalities prove useful as potential biomarkers of disease progression. METHODS: A Chinese cohort of 56 patients with SCA3, including 12 preclinical carriers of SCA3 (pre-SCA3) and 44 manifest SCA3, and 26 healthy control individuals were recruited. We performed a detailed investigation on central oculomotor performance including fixation, gaze, smooth pursuit, prosaccade, and antisaccade using video-oculography...
February 13, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28191738/the-role-of-neuroinflammation-and-amyloid-in-cognitive-impairment-in-an-app-ps1-transgenic-mouse-model-of-alzheimer-s-disease
#13
Shenghua Zhu, Junhui Wang, Yanbo Zhang, Jue He, Jiming Kong, Jun-Feng Wang, Xin-Min Li
AIMS: Both amyloid deposition and neuroinflammation appear in the early course of Alzheimer's disease (AD). However, the progression of neuroinflammation and its relationship with amyloid deposition and behavioral changes have not been fully elucidated. A better understanding the role of neuroinflammation in AD might extend our current knowledge to therapeutic intervention possibilities. METHODS: This study systematically characterized changes in behavioral abnormalities in APP/PS1 transgenic mice...
February 12, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28191736/the-phosphoinositide-3-kinase-signaling-is-involved-in-neuroinflammation-in-hypertensive-rats
#14
Xing Tan, Pei-Lei Jiao, Yang-Kai Wang, Zhao-Tang Wu, Xiao-Rong Zeng, Miao-Ling Li, Wei-Zhong Wang
AIMS: It has been demonstrated that neuroinflammation is associated with cardiovascular dysfunction. The phosphoinositide-3 kinase (PI3K) signaling in the rostral ventrolateral medulla (RVLM), a key region for sympathetic outflow, is upregulated and contributes to increased blood pressure (BP) and sympathetic outflow in hypertension. This study was designed to determine the role of the PI3K signaling in neuroinflammation in the RVLM of hypertension. METHODS: The normotensive WKY rats were performed by intracisternal infusion of lipopolysaccharide (LPS) or angiotensin II (Ang II) for inducing neuroinflammation...
February 12, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28168849/cpne5-is-involved-in-regulating-rodent-anxiety-level
#15
LETTER
Xue-Feng Ding, He-Jun Wang, Lu Qian, Zeng-Yao Hu, Shu-Fang Feng, Yan Wu, Hai-Hong Yang, Hai-Tao Wu, Wen-Hong Fan, Ming Fan
No abstract text is available yet for this article.
February 6, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28168839/histamine-h3-receptor-antagonist-prevents-memory-deficits-and-synaptic-plasticity-disruption-following-isoflurane-exposure
#16
Tao Luo, Ying Wang, Jian Qin, Zhi-Gang Liu, Min Liu
BACKGROUND: Exposure to pharmacological concentration of inhaled anesthetics such as isoflurane can cause short- or long-term cognitive impairments in preclinical studies. The selective antagonists of the histamine H3 receptors are considered as a promising group of novel therapeutic agents for the treatment of cognitive disorders. In this study, we investigated whether ciproxifan, a nonimidazole antagonist of H3 histamine receptors, could overcome the functional and electrophysiological sequela associated with isoflurane anesthesia...
February 6, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28130864/complex-roles-of-annexin-a2-in-host-blood-brain-barrier-invasion-by-cryptococcus-neoformans
#17
Wei Fang, Zhen-Zong Fa, Qun Xie, Gui-Zhen Wang, Jiu Yi, Chao Zhang, Guang-Xun Meng, Ju-Lin Gu, Wan-Qing Liao
INTRODUCTION: Fungal transversal across the brain microvascular endothelial cells (BMECs) is the essential step for the development of cryptococcal meningoencephalitis. Annexin A2 (AnxA2) is an important signaling protein involved in several intracellular processes such as membrane trafficking, endocytosis, and exocytosis. AIM: To investigate the roles and mechanism of AnxA2 during cryptococcal transversal of BMECs. RESULTS: Cryptococcus neoformans infection initiated upregulation of AnxA2 in mouse BMECs...
January 28, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28098430/behavioral-and-electrophysiological-alterations-for-reinforcement-learning-in-manic-and-euthymic-patients-with-bipolar-disorder
#18
Vin Ryu, Ra Yeon Ha, Su Jin Lee, Kyooseob Ha, Hyun-Sang Cho
AIMS: Bipolar disorder is characterized by behavioral changes such as risk-taking and increasing goal-directed activities, which may result from altered reward processing. Patients with bipolar disorder show impaired reward learning in situations that require the integration of reinforced feedback over time. In this study, we examined the behavioral and electrophysiological characteristics of reward learning in manic and euthymic patients with bipolar disorder using a probabilistic reward task...
January 18, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28052569/effect-of-coenzyme-q10-on-psychopathological-symptoms-in-fibromyalgia-patients
#19
LETTER
Elísabet Alcocer-Gómez, Ognjen Culic, José M Navarro-Pando, José A Sánchez-Alcázar, Pedro Bullón
No abstract text is available yet for this article.
January 4, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28052528/the-change-of-nociceptive-neurons-in-the-rat-trigeminal-ganglia-at-different-postnatal-ages
#20
LETTER
Mei-Qi Zeng, Jun-Fei Niu, Ping Luan, Ying Ying, Rui-Ping Pang, Qing-Ning Su, Hua-Zhang Zhu, Jing-Qiang Huang, Hu-Ju Chi, Li-Hong Zhang, Xin-Min Fan, Ou Sha
No abstract text is available yet for this article.
January 4, 2017: CNS Neuroscience & Therapeutics
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