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https://www.readbyqxmd.com/read/28343296/ibuprofen-protects-from-cypermethrin-induced-changes-in-the-striatal-dendritic-length-and-spine-density
#1
Pratibha Tripathi, Ashish Singh, Lakshmi Bala, Devendra Kumar Patel, Mahendra Pratap Singh
Microgliosis and inflammation are major wrongdoers in cypermethrin-induced Parkinsonism along with oxidative stress, mitochondrial dysfunction and α-synuclein aggregation. Dopamine depletion could alter dendritic morphology, length and spine number in the striatum. Present study investigated the effect of ibuprofen on the dendritic morphology, length and spine density in cypermethrin PD model. Male pups were treated intraperitoneally with cypermethrin during postnatal days followed by adulthood to induce Parkinsonism using standard procedure along with controls...
March 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28343295/identification-of-sphingosine-1-phosphate-receptor-subtype-1-s1p1-as-a-pathogenic-factor-in-transient-focal-cerebral-ischemia
#2
Bhakta Prasad Gaire, Chi-Ho Lee, Arjun Sapkota, Sang Yeul Lee, Jerold Chun, Hee Jun Cho, Tae-Gyu Nam, Ji Woong Choi
Medically relevant roles of receptor-mediated sphingosine 1-phosphate (S1P) signaling have become a successful or promising target for multiple sclerosis or cerebral ischemia. Animal-based proof-of-concept validation for the latter is particularly through the neuroprotective efficacy of FTY720, a non-selective S1P receptor modulator, presumably via activation of S1P1. In spite of a clear link between S1P signaling and cerebral ischemia, it remains unknown whether the role of S1P1 is pathogenic or neuroprotective...
March 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28343294/neuroprotective-role-of-exogenous-brain-derived-neurotrophic-factor-in-hypoxia-hypoglycemia-induced-hippocampal-neuron-injury-via-regulating-trkb-mir134-signaling
#3
Weidong Huang, Facai Meng, Jie Cao, Xiaobin Liu, Jie Zhang, Min Li
Hypoxic-ischemic brain injury is an important cause of neonatal mortality and morbidity. Brain-derived neurotrophic factor (BDNF) has been reported to play a neuroprotective role in hypoxic-ischemic brain injury; however, the specific effects and mechanism of BDNF on hypoxic-hypoglycemic hippocampal neuron injury remains unknown. The current study investigated the action of BDNF in regulating cerebral hypoxic-ischemic injury by simulating hippocampal neuron ischemia and hypoxia. We found that BDNF, p-Trkb, and miR-134 expression levels decreased, and that exogenous BDNF increased survival and reduced apoptosis in hypoxic-hypoglycemic hippocampal neurons...
March 26, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28343092/the-impact-of-cumulative-pain-stress-on-neurobehavioral-development-of-preterm-infants-in-the-nicu
#4
Xiaomei Cong, Jing Wu, Dorothy Vittner, Wanli Xu, Naveed Hussain, Shari Galvin, Megan Fitzsimons, Jacqueline M McGrath, Wendy A Henderson
BACKGROUND: Vulnerable preterm infants experience repeated and prolonged pain/stress stimulation during a critical period in their development while in the neonatal intensive care unit (NICU). The contribution of cumulative pain/stressors to altered neurodevelopment remains unclear. The study purpose was to investigate the impact of early life painful/stressful experiences on neurobehavioral outcomes of preterm infants in the NICU. METHODS: A prospective exploratory study was conducted with fifty preterm infants (28 0/7-32 6/7weeks gestational age) recruited at birth and followed for four weeks...
March 23, 2017: Early Human Development
https://www.readbyqxmd.com/read/28343073/breviscapine-confers-a-neuroprotective-efficacy-against-transient-focal-cerebral-ischemia-by-attenuating-neuronal-and-astrocytic-autophagy-in-the-penumbra
#5
Zhang Pengyue, Guo Tao, He Hongyun, Yang Liqiang, Deng Yihao
Breviscapine is a flavonoid derived from a traditional Chinese herb Erigerin breviscapus (Vant.) Hand-Mazz, and has been extensively used in clinical treatment for cerebral stroke in China, but the underlying pharmacological mechanisms are still unclear. In present study, we investigated whether breviscapine could confer a neuroprotection against cerebral ischemia injury by targeting autophagy mechanisms. A cerebral stroke model in Sprague-Dawley rats was prepared by middle cerebral artery occlusion (MCAO), rats were then randomly divided into 5 groups: MCAO+Bre group, rats were treated with breviscapine; MCAO+Tat-Beclin-1 group, animals were administrated with specific autophagy inducer Tat-Beclin-1; MCAO+Bre+Tat-Beclin-1 group, rats were treated with both breviscapine and Tat-Beclin-1, MCAO+saline group, rats received the same volume of physiological saline, and Sham surgery group...
March 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28342971/a-novel-dual-glp-1-gip-receptor-agonist-alleviates-cognitive-decline-by-re-sensitizing-insulin-signaling-in-the-alzheimer-icv-stz-rat-model
#6
Lijuan Shi, Zhihua Zhang, Lin Li, Christian Hölscher
Alzheimer's disease (AD) is a progressive neurodegenerative disorder, accompanied by memory loss and cognitive impairments, and there is no effective treatment for it at present. Since type 2 diabetes (T2DM) has been identified as a risk factor for AD, the incretins glucagon-like peptide 1 (GLP-1) and glucose dependent insulinotropic polypeptide (GIP), promising antidiabetic agents for the treatment of type 2 diabetes, have been tested in models of neurodegenerative disease including AD and achieved good results...
March 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28342896/neuroprotective-and-axonal-outgrowth-promoting-effects-of-tetramethylpyrazine-nitrone-in-chronic-cerebral-hypoperfusion-rats-and-primary-hippocampal-neurons-exposed-to-hypoxia
#7
Tao Zhang, Jianbo Gu, Liangmiao Wu, Ning Li, Yewei Sun, Pei Yu, Yuqiang Wang, Gaoxiao Zhang, Zaijun Zhang
Chronic cerebral hypoperfusion is an important risk factor for vascular dementia and other brain dysfunctions, for which there are currently no effective medications available. We investigated the neuroprotective and axonal outgrowth promoting effects of tetramethylpyrazine nitrone (TBN) in a permanent bilateral occlusion of the common carotid arteries (2VO) rat model and in primary hippocampal neurons exposed to oxygen glucose deprivation (OGD). At 6th week after 2VO, TBN increased the time spent in novel arms in the Y-maze test and improved the discrimination ratio in object reorganization task...
March 22, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28342702/apigenin-attenuates-oxidative-stress-and-neuronal-apoptosis-in-early-brain-injury-following-subarachnoid-hemorrhage
#8
Yuwei Han, Tingting Zhang, Jingyuan Su, Yuan Zhao, Chenchen, Wang, Xiaoming Li
Apigenin (API) is a naturally occurring plant flavone that exhibits powerful antioxidant and antiapoptosis. Oxidative stress plays an important role in the pathogenesis of early brain injury (EBI) following subarachnoid hemorrhage (SAH). The potential anti-oxidative and anti-apoptosis effects of API on EBI following SAH, however, have not been elucidated. The aim of this study was to assess whether API alleviates EBI after SAH via its anti-oxidative and anti-apoptotic effects. The endovascular puncture model was used to induce SAH and all the rats were subsequently sacrificed at 24h after SAH...
March 22, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28340277/immunomodulatory-and-neuroprotective-effect-of-cryopreserved-allogeneic-mesenchymal-stem-cells-on-spinal-cord-injury-in-rats
#9
I R Rosado, P H Carvalho, E G L Alves, T M Tagushi, J L Carvalho, J F Silva, M S L Lavor, K M Oliveira, R Serakides, A M Goes, E G Melo
This study aimed to evaluate the immunomodulatory and neuroprotective effects of allogeneic and cryopreserved mesenchymal stem cells (MSCs) on spinal cord injury. A total of 120 rats were distributed into the following groups: negative control (NC) - without injury, positive control (PC) - with injury without treatment, and group treated with MSC (GMSC) - with injury and treated. Motor function was evaluated by the BBB test at 24, 48, and 72 h and at 8 and 21 postoperative days. Spinal cords were evaluated by histopathology and immunohistochemistry to determine the expression of CD68, NeuN, and GFAP...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28339077/paeoniflorin-attenuates-the-neuroinflammatory-response-in-a-rat-model-of-chronic-constriction-injury
#10
Jianyu Zhou, Jingxia Wang, Wei Li, Chenglong Wang, Li Wu, Jianjun Zhang
Neuropathic pain remains the most frequent cause of suffering and disability worldwide. Paeoniflorin (PF), a water‑soluble monoterpene glycoside extracted from the roots of Paeonia lactiflora Pall, has a wide range of pharmacological functions. Although the neuroprotective effect of PF has been reported in animal models of neuropathology, no systematic investigation has reported on the analgesic properties of PF in neuropathic pain. The aim of the present study was to investigate whether PF can alleviate neuropathic pain and to examine its possible mechanism...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338622/phosphodiesterase-inhibitors-as-a-therapeutic-approach-to-neuroprotection-and-repair
#11
REVIEW
Eric P Knott, Mazen Assi, Sudheendra N R Rao, Mousumi Ghosh, Damien D Pearse
A wide diversity of perturbations of the central nervous system (CNS) result in structural damage to the neuroarchitecture and cellular defects, which in turn are accompanied by neurological dysfunction and abortive endogenous neurorepair. Altering intracellular signaling pathways involved in inflammation and immune regulation, neural cell death, axon plasticity and remyelination has shown therapeutic benefit in experimental models of neurological disease and trauma. The second messengers, cyclic adenosine monophosphate (cyclic AMP) and cyclic guanosine monophosphate (cyclic GMP), are two such intracellular signaling targets, the elevation of which has produced beneficial cellular effects within a range of CNS pathologies...
March 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28338498/challenge-of-progressive-multiple-sclerosis-therapy
#12
Alan J Thompson
PURPOSE OF REVIEW: Understanding the mechanisms underlying progression in multiple sclerosis (MS) and identifying appropriate therapeutic targets is a key challenge facing the MS community. This challenge has been championed internationally by organizations such as the Progressive MS Alliance, which has raised the profile of progressive MS and identified the key obstacles to treatment. This review will outline the considerable progress against these challenges. RECENT FINDINGS: New insights into mechanisms underlying progression have opened up potential therapeutic opportunities...
March 23, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28338241/neuroprotective-effects-of-loganin-on-mptp-induced-parkinson-s-disease-mice-neurochemistry-glial-reaction-and-autophagy-studies
#13
Yi-Da Xu, Chun Cui, Meng-Fei Sun, Ying-Li Zhu, Min Chu, Yun-Wei Shi, Stanley Li Lin, Xu-Sheng Yang, Yan-Qin Shen
Parkinson's disease (PD) is a progressive neurodegenerative disease, involving resting tremor and bradykinesia, for which no recognized therapies or drugs are available to halt or slow progression. In recent years, natural botanic products have been considered relatively safe, with limited side effects, and are expected to become an important source for clinical mediation of PD in the future. Our study focuses on the ability of loganin, a compound derived from fruits of cornus, to mediate neuroprotection in a mouse model of PD...
March 24, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28337259/intranasal-basic-fibroblast-growth-factor-attenuates-endoplasmic-reticulum-stress-and-brain-injury-in-neonatal-hypoxic-ischaemic-injury
#14
Zhenlang Lin, Yingying Hu, Zhouguang Wang, Shulin Pan, Hao Zhang, Libing Ye, Hongyu Zhang, Mingchu Fang, Huai Jiang, Junming Ye, Jian Xiao, Li Liu
Brain injury secondary to birth asphyxia is the major cause of death and long-term disability in newborns. Intranasal drug administration enables agents to bypass the blood-brain barrier (BBB) and enter the brain directly. In this study, we determined whether intranasal basic fibroblast growth factor (bFGF) could exert neuroprotective effects in neonatal rats after hypoxic-ischaemic (HI) brain injury and assessed whether attenuation of endoplasmic reticulum (ER) stress was associated with these neuroprotective effects...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337258/neuroprotective-effect-of-win55-212-2-against-3-nitropropionic-acid-induced-toxicity-in-the-rat-brain-involvement-of-cb1-and-nmda-receptors
#15
Marisol Maya-López, Ana Laura Colín-González, Gabriela Aguilera, María Eduarda de Lima, Ana Colpo-Ceolin, Edgar Rangel-López, Juana Villeda-Hernández, Daniel Rembao-Bojórquez, Isaac Túnez, Armando Luna-López, Roberto Lazzarini-Lechuga, Viridiana Yazmín González-Puertos, Pedro Posadas-Rodríguez, Alejandro Silva-Palacios, Mina Königsberg, Abel Santamaría
The endocannabinoid system (ECS), and agonists acting on cannabinoid receptors (CBr), are known to regulate several physiological events in the brain, including modulatory actions on excitatory events probably through N-methyl-D-aspartate receptor (NMDAr) activity. Actually, CBr agonists can be neuroprotective. The synthetic CBr agonist WIN55,212-2 acts mainly on CB1 receptor. In turn, the mitochondrial toxin 3-nitropropionic acid (3-NP) produces striatal alterations in rats similar to those observed in the brain of Huntington's disease patients...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337257/subcutaneous-liraglutide-ameliorates-methylglyoxal-induced-alzheimer-like-tau-pathology-and-cognitive-impairment-by-modulating-tau-hyperphosphorylation-and-glycogen-synthase-kinase-3%C3%AE
#16
Liqin Qi, Zhou Chen, Yanping Wang, Xiaoying Liu, Xiaohong Liu, Linfang Ke, Zhongjie Zheng, Xiaowei Lin, Yu Zhou, Lijuan Wu, Libin Liu
Memory deterioration and synapse damage with accumulation of β-amyloid and hyperphosphorylated tau are hallmark lesions of Alzheimer's disease (AD). Methylglyoxal (MG), a key intermediate of glucose metabolism, is elevated in AD brains and modifies Aβ42, increasing misfolding and leading to the accumulation of senile plaques. Liraglutide, an analog of glucagon-like peptide-1 (GLP-1), is neurotrophic and neuroprotective. However, whether liraglutide can protect against AD-like memory-related deficits and tau hyperphosphorylation caused by MG in vivo is not known...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337247/neuroprotection-in-neurodegenerative-disease-from-basic-science-to-clinical-applications
#17
EDITORIAL
Marta C Monteiro, Michael D Coleman, Eric J Hill, Rui D Prediger, Cristiane S F Maia
No abstract text is available yet for this article.
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28337142/icariside-ii-effectively-reduces-spatial-learning-and-memory-impairments-in-alzheimer-s-disease-model-mice-targeting-beta-amyloid-production
#18
Lingli Yan, Yuanyuan Deng, Jianmei Gao, Yuangui Liu, Fei Li, Jingshan Shi, Qihai Gong
Icariside II (ICS II) is a broad-spectrum anti-cancer natural compound extracted from Herba Epimedii Maxim. Recently, the role of ICS II has been investigated in central nervous system, especially have a neuroprotective effect in Alzheimer's disease (AD). In this study, we attempted to investigate the effects of ICS II, on cognitive deficits and beta-amyloid (Aβ) production in APPswe/PS1dE9 (APP/PS1) double transgenic mice. It was found that chronic ICS II administrated not only effectively ameliorated cognitive function deficits, but also inhibited neuronal degeneration and reduced the formation of plaque burden...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28337124/interleukin-4-protects-dopaminergic-neurons-in-vitro-but-is-dispensable-for-mptp-induced-neurodegeneration-in-vivo
#19
Laura Hühner, Jennifer Rilka, Ralf Gilsbach, Xiaolai Zhou, Venissa Machado, Björn Spittau
Microglia are involved in physiological as well as neuropathological processes in the central nervous system (CNS). Their functional states are often referred to as M1-like and M2-like activation, and are believed to contribute to neuroinflammation-mediated neurodegeneration or neuroprotection, respectively. Parkinson's disease (PD) is one the most common neurodegenerative disease and is characterized by the progressive loss of midbrain dopaminergic (mDA) neurons in the substantia nigra resulting in bradykinesia, tremor, and rigidity...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28336494/minocycline-reduces-inflammatory-parameters-in-the-brain-structures-and-serum-and-reverses-memory-impairment-caused-by-the-administration-of-amyloid-%C3%AE-1-42-in-mice
#20
Michelle Lima Garcez, Francielle Mina, Tatiani Bellettini-Santos, Franciellen Gonçalves Carneiro, Aline Pereira da Luz, Gustavo Luis Schiavo, Matheus Scopel Andrighetti, Maylton Grégori Scheid, Renan Pereira Bolfe, Josiane Budni
Alzheimer's disease (AD) is a neurodegenerative disorder and the most common type of age-related dementia. Cognitive decline, beta-amyloid (Aβ) accumulation, neurofibrillary tangles, and neuroinflammation are the main pathophysiological characteristics of AD. Minocycline is a tetracycline derivative with anti-inflammatory properties that has a neuroprotective effect. The aim of this study was to evaluate the effect of minocycline on memory, neurotrophins and neuroinflammation in an animal model of AD induced by the administration of Aβ (1-42) oligomer...
March 20, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
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