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https://www.readbyqxmd.com/read/28524074/neurotrauma-the-crosstalk-between-neurotrophins-and-inflammation-in-the-acutely-injured-brain
#1
REVIEW
Lindolfo da Silva Meirelles, Daniel Simon, Andrea Regner
Traumatic brain injury (TBI) is a major cause of morbidity and mortality among young individuals worldwide. Understanding the pathophysiology of neurotrauma is crucial for the development of more effective therapeutic strategies. After the trauma occurs, immediate neurologic damage is produced by the traumatic forces; this primary injury triggers a secondary wave of biochemical cascades together with metabolic and cellular changes, called secondary neural injury. In the scenario of the acutely injured brain, the ongoing secondary injury results in ischemia and edema culminating in an uncontrollable increase in intracranial pressure...
May 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28512358/delayed-epidural-transplantation-of-human-induced-pluripotent-stem-cell-derived-neural-progenitors-enhances-functional-recovery-after-stroke
#2
I-Hui Lee, Shiang-Suo Huang, Ching-Yu Chuang, Ko-Hsun Liao, Li-Hsin Chang, Chia-Chi Chuang, Yu-Shih Su, Hung-Jui Lin, Jui-Yu Hsieh, Shu-Han Su, Oscar Kuang-Sheng Lee, Hung-Chih Kuo
Induced pluripotent stem cell-derived neural progenitor cells (iPSC-NPCs) are a promising source of tailor-made cell therapy for neurological diseases. However, major obstacles to clinical use still exist. To circumvent complications related to intracerebral administration, we implanted human iPSC-NPCs epidurally over the peri-infarct cortex 7 days after permanent middle cerebral artery occlusion in adult rats. Compared to controls, cell-treated rats showed significant improvements in paretic forelimb usage and grip strength from 10 days post-transplantation (dpt) onwards, as well as reductions in lesion volumes, inflammatory infiltration and astrogliosis at 21 dpt...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28469652/neurorestoration-from-medicinal-plants-an-opportunity-to-treat-painful-neuropathies
#3
Lorenzo Di Cesare Mannelli, Carla Ghelardini
No abstract text is available yet for this article.
March 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28423348/a-neurorestorative-approach-to-parkinson-s-disease
#4
EDITORIAL
Giovanni Diana, Maria Teresa Ciotti, Marco Musilli
No abstract text is available yet for this article.
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420961/the-role-of-astrocytes-in-neuroprotection-after-brain-stroke-potential-in-cell-therapy
#5
REVIEW
Andrea Becerra-Calixto, Gloria P Cardona-Gómez
Astrocytes are commonly involved in negative responses through their hyperreactivity and glial scar formation in excitotoxic and/or mechanical injuries. But, astrocytes are also specialized glial cells of the nervous system that perform multiple homeostatic functions for the survival and maintenance of the neurovascular unit. Astrocytes have neuroprotective, angiogenic, immunomodulatory, neurogenic, and antioxidant properties and modulate synaptic function. This makes them excellent candidates as a source of neuroprotection and neurorestoration in tissues affected by ischemia/reperfusion, when some of their deregulated genes can be controlled...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28419991/effect-of-melatonin-and-resveratrol-against-memory-impairment-and-hippocampal-damage-in-a-rat-model-of-vascular-dementia
#6
Dongfang Shen, Xiaoyan Tian, Wenxu Sang, Rongrong Song
OBJECTIVES: This study was intended to investigate whether treatment with resveratrol and melatonin alone or in combination can exert neurorestorative effects in a rat model of vascular dementia. METHODS: Briefly, male Wistar rats were subjected to permanent bilateral common carotid artery occlusion (BCCAO) by surgery. After 4 weeks, the cognitive deficits were assessed using the Morris water maze and novel object recognition tests. The biochemical parameters of oxidative stress and inflammation were also assessed...
2016: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28373840/promising-effects-of-neurorestorative-diets-on-motor-cognitive-and-gastrointestinal-dysfunction-after-symptom-development-in-a-mouse-model-of-parkinson-s-disease
#7
Paula Perez-Pardo, Esther M de Jong, Laus M Broersen, Nick van Wijk, Amos Attali, Johan Garssen, Aletta D Kraneveld
Parkinson's disease (PD) is characterized by the progressive degeneration of dopaminergic nigrostriatal neurons, with reductions in the function and amount of dopaminergic synapses. Therefore, synapse loss and membrane-related pathology provide relevant targets for interventions in PD. We previously showed the beneficial preventive effects of a dietary intervention containing uridine and DHA, two precursors for membrane synthesis, in the intrastriatal rotenone model for PD. Here, we examined the therapeutic potential of the same dietary intervention on motor, cognitive, and gastrointestinal symptoms...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28337124/interleukin-4-protects-dopaminergic-neurons-in-vitro-but-is-dispensable-for-mptp-induced-neurodegeneration-in-vivo
#8
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/28315279/the-role-of-sigma-1-receptor-as-a-neuroprotective-target-in-glaucoma
#9
Barbara Mysona, Neil Kansara, Jing Zhao, Kathryn Bollinger
The role of sigma 1 receptor (S1R) in glaucoma is emerging as a promising field of study. Glaucoma is an optic neuropathy that shares common pathogenic mechanisms with other neurodegenerative diseases such as Alzheimer's and Parkinson's disease . S1R modulates multiple cellular functions associated with neurodegeneration . These include Ca(2+) ion homeostasis, endoplasmic reticulum (ER) and oxidative stress , survival signaling pathways, neurotrophin secretion, and glial activation. S1R may also have neurorestorative properties including enhancement of neuronal plasticity and neurite outgrowth...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28315269/sigma-1-receptors-and-neurodegenerative-diseases-towards-a-hypothesis-of-sigma-1-receptors-as-amplifiers-of-neurodegeneration-and-neuroprotection
#10
Linda Nguyen, Brandon P Lucke-Wold, Shona Mookerjee, Nidhi Kaushal, Rae R Matsumoto
Sigma-1 receptors are molecular chaperones that may act as pathological mediators and targets for novel therapeutic applications in neurodegenerative diseases. Accumulating evidence indicates that sigma-1 ligands can either directly or indirectly modulate multiple neurodegenerative processes, including excitotoxicity, calcium dysregulation, mitochondrial and endoplasmic reticulum dysfunction, inflammation, and astrogliosis. In addition, sigma-1 ligands may act as disease-modifying agents in the treatment for central nervous system (CNS) diseases by promoting the activity of neurotrophic factors and neural plasticity...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28303260/evidence-for-an-additive-neurorestorative-effect-of-simultaneously-administered-cdnf-and-gdnf-in-hemiparkinsonian-rats-implications-for-different-mechanism-of-action
#11
Merja H Voutilainen, Francesca De Lorenzo, Polina Stepanova, Susanne Bäck, Li-Ying Yu, Päivi Lindholm, Eeva Pörsti, Mart Saarma, Pekka T Männistö, Raimo K Tuominen
Parkinson's disease (PD) is a neurodegenerative disorder associated with a progressive loss of dopaminergic (DAergic) neurons of the substantia nigra (SN) and the accumulation of intracellular inclusions containing α-synuclein. Current therapies do not stop the progression of the disease, and the efficacy of these treatments wanes over time. Neurotrophic factors (NTFs) are naturally occurring proteins promoting the survival and differentiation of neurons and the maintenance of neuronal contacts. CDNF (cerebral dopamine NTF) and GDNF (glial cell line-derived NTF) are able to protect DAergic neurons against toxin-induced degeneration in experimental models of PD...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28276776/brain-injury-with-diabetes-mellitus-evidence-mechanisms-and-treatment-implications
#12
REVIEW
Sherifa A Hamed
Diabetes mellitus is a risk for brain injury. Brain injury is associated with acute and chronic hyperglycaemia, insulin resistance, hyperinsulinemia, diabetic ketoacidosis (DKA) and hypoglycaemic events in diabetic patients. Hyperglycemia is a cause of cognitive deterioration, low intelligent quotient, neurodegeneration, brain aging, brain atrophy and dementia. Areas covered: The current review highlights the experimental, clinical, neuroimaging and neuropathological evidence of brain injury induced by diabetes and its associated metabolic derangements...
April 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28255345/a-specific-dietary-intervention-to-restore-brain-structure-and-function-after-ischemic-stroke
#13
Maximilian Wiesmann, Bastian Zinnhardt, Dirk Reinhardt, Sarah Eligehausen, Lydia Wachsmuth, Sven Hermann, Pieter J Dederen, Marloes Hellwich, Michael T Kuhlmann, Laus M Broersen, Arend Heerschap, Andreas H Jacobs, Amanda J Kiliaan
Occlusion of the middle cerebral artery (MCAo) is among the most common causes of ischemic stroke in humans. Cerebral ischemia leads to brain lesions existing of an irreversibly injured core and an ischemic boundary zone, the penumbra, containing damaged but potentially salvageable tissue. Using a transient occlusion (30 min) of the middle cerebral artery (tMCAo) mouse model in this cross-institutional study we investigated the neurorestorative efficacy of a dietary approach (Fortasyn) comprising docosahexaenoic acid, eicosapentaenoic acid, uridine, choline, phospholipids, folic acid, vitamins B12, B6, C, and E, and selenium as therapeutic approach to counteract neuroinflammation and impairments of cerebral (structural+functional) connectivity, cerebral blood flow (CBF), and motor function...
2017: Theranostics
https://www.readbyqxmd.com/read/28245754/treatment-of-traumatic-brain-injury-in-rats-with-n-acetyl-seryl-aspartyl-lysyl-proline
#14
Yanlu Zhang, Zheng Gang Zhang, Michael Chopp, Yuling Meng, Li Zhang, Asim Mahmood, Ye Xiong
OBJECTIVE The authors' previous studies have suggested that thymosin beta 4 (Tβ4), a major actin-sequestering protein, improves functional recovery after neural injury. N-acetyl-seryl-aspartyl-lysyl-proline (AcSDKP) is an active peptide fragment of Tβ4. Its effect as a treatment of traumatic brain injury (TBI) has not been investigated. Thus, this study was designed to determine whether AcSDKP treatment improves functional recovery in rats after TBI. METHODS Young adult male Wistar rats were randomly divided into the following groups: 1) sham group (no injury); 2) TBI + vehicle group (0...
March 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28208742/aav-vector-mediated-gene-delivery-to-substantia-nigra-dopamine-neurons-implications-for-gene-therapy-and-disease-models
#15
REVIEW
Katrina Albert, Merja H Voutilainen, Andrii Domanskyi, Mikko Airavaara
Gene delivery using adeno-associated virus (AAV) vectors is a widely used method to transduce neurons in the brain, especially due to its safety, efficacy, and long-lasting expression. In addition, by varying AAV serotype, promotor, and titer, it is possible to affect the cell specificity of expression or the expression levels of the protein of interest. Dopamine neurons in the substantia nigra projecting to the striatum, comprising the nigrostriatal pathway, are involved in movement control and degenerate in Parkinson's disease...
February 8, 2017: Genes
https://www.readbyqxmd.com/read/28190402/preserving-brain-function-in-a-comatose-patient-with-septic-hyperpyrexia-41-6%C3%A2-%C3%A2-c-a-case-report
#16
Samantha Sterkel, Akinboyede Akinyemi, Marcos A Sanchez-Gonzalez, George Michel
BACKGROUND: Pyrexia is a physiological response through which the immune system responds to infectious processes. Hyperpyrexia is known to be neurodegenerative leading to brain damage. Some of the neurotoxic effects of hyperpyrexia on the brain include seizures, decreased cognitive speed, mental status changes, coma, and even death. In the clinical management of hyperpyrexia, the goal is to treat the underlying cause of elevated temperature and prevent end organ damage. CASE PRESENTATION: This case illustrates a 39-year-old white American man referred from another medical facility where he had undergone an upper gastrointestinal tract diagnostic procedure which became complicated by blood aspiration and respiratory distress...
February 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28142208/intravenously-transplanted-human-bone-marrow-endothelial-progenitor-cells-engraft-within-brain-capillaries-preserve-mitochondrial-morphology-and-display-pinocytotic-activity-toward-blood-brain-barrier-repair-in-ischemic-stroke-rats
#17
Svitlana Garbuzova-Davis, Edward Haller, Roger Lin, Cesario V Borlongan
Stroke is a life-threatening disease with limited therapeutic options. Cell therapy has emerged as an experimental stroke treatment. Blood-brain barrier (BBB) impairment is a key pathological manifestation of ischemic stroke, and barrier repair is an innovative target for neurorestoration in stroke. Here, we evaluated via electron microscopy the ability of transplanted human bone marrow endothelial progenitor cells (hBMEPCs) to repair the BBB in adult Sprague-Dawley rats subjected to transient middle cerebral artery occlusion (tMCAO)...
May 2017: Stem Cells
https://www.readbyqxmd.com/read/28134996/combined-ipsilateral-limb-use-score-as-an-index-of-motor-deficits-and-neurorestoration-in-parkinsonian-rats
#18
Juuso V Leikas, Tiina M Kääriäinen, Aaro J Jalkanen, Marko Lehtonen, Tomi Rantamäki, Markus M Forsberg
Our aim was to apply a robust non-drug induced sensorimotor test battery to assess the efficacy of neurorestorative therapies on the motor deficits caused by partial unilateral 6-OHDA lesion mimicking early stage PD. Since the 6-OHDA lesion protocols to induce partial DA depletion in striatum vary extensively between laboratories, we evaluated the associations between different intrastriatal 6-OHDA doses (1 X 0-20 and 2 X 0-30 µg), striatal DA depletion (HPLC-ECD) and D-amphetamine induced rotation to identify a lesion protocol that would produce 40-60% striatal DA depletion...
January 30, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28131727/long-term-protective-effects-of-aav9-mesencephalic-astrocyte-derived-neurotrophic-factor-gene-transfer-in-parkinsonian-rats
#19
Fei Hao, Chun Yang, Sha-Sha Chen, Yan-Yan Wang, Wei Zhou, Qiang Hao, Tao Lu, Barry Hoffer, Li-Ru Zhao, Wei-Ming Duan, Qun-Yuan Xu
Intrastriatal injection of mesencephalic astrocyte-derived neurotrophic factor (MANF) protein has been shown to provide neuroprotective and neurorestorative effects in a 6-hydroxydopamine (6-OHDA) - lesioned rat model of Parkinson's disease. Here, we used an adeno-associated virus serotype 9 (AAV9) vector to deliver the human MANF (hMANF) gene into the rat striatum 10days after a 6-OHDA lesion to examine long-term effects of hMANF on nigral dopaminergic neurons and mechanisms underlying MANF neuroprotection...
May 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28102082/characterization-of-the-molecular-mechanisms-underlying-the-chronic-phase-of-stroke-in-a-cynomolgus-monkey-model-of-induced-cerebral-ischemia
#20
Henry C H Law, Samuel S W Szeto, Quan Quan, Yun Zhao, Zaijun Zhang, Olga Krakovska, Leong Ting Lui, Chengyou Zheng, Simon M-Y Lee, K W Michael Siu, Yuqiang Wang, Ivan K Chu
Stroke is one of the main causes of mortality and long-term disability worldwide. The pathophysiological mechanisms underlying this disease are not well understood, particularly in the chronic phase after the initial ischemic episode. In this study, a Macaca fascicularis stroke model consisting of two sample groups, as determined by MRI-quantified infarct volumes as a measure of the stroke severity 28 days after the ischemic episode, was evaluated using qualitative and quantitative proteomics analyses. By using multiple online multidimensional liquid chromatography platforms, 8790 nonredundant proteins were identified that condensed to 5223 protein groups at 1% global false discovery rate (FDR)...
February 2, 2017: Journal of Proteome Research
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