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https://www.readbyqxmd.com/read/27920671/proceedings-of-the-fourth-annual-deep-brain-stimulation-think-tank-a-review-of-emerging-issues-and-technologies
#1
Wissam Deeb, James J Giordano, Peter J Rossi, Alon Y Mogilner, Aysegul Gunduz, Jack W Judy, Bryan T Klassen, Christopher R Butson, Craig Van Horne, Damiaan Deny, Darin D Dougherty, David Rowell, Greg A Gerhardt, Gwenn S Smith, Francisco A Ponce, Harrison C Walker, Helen M Bronte-Stewart, Helen S Mayberg, Howard J Chizeck, Jean-Philippe Langevin, Jens Volkmann, Jill L Ostrem, Jonathan B Shute, Joohi Jimenez-Shahed, Kelly D Foote, Aparna Wagle Shukla, Marvin A Rossi, Michael Oh, Michael Pourfar, Paul B Rosenberg, Peter A Silburn, Coralie de Hemptine, Philip A Starr, Timothy Denison, Umer Akbar, Warren M Grill, Michael S Okun
This paper provides an overview of current progress in the technological advances and the use of deep brain stimulation (DBS) to treat neurological and neuropsychiatric disorders, as presented by participants of the Fourth Annual DBS Think Tank, which was convened in March 2016 in conjunction with the Center for Movement Disorders and Neurorestoration at the University of Florida, Gainesveille FL, USA. The Think Tank discussions first focused on policy and advocacy in DBS research and clinical practice, formation of registries, and issues involving the use of DBS in the treatment of Tourette Syndrome...
2016: Frontiers in Integrative Neuroscience
https://www.readbyqxmd.com/read/27915043/involvement-of-bdnf-trkb-signaling-in-the-effect-of-diphenyl-diselenide-on-motor-function-in-a-parkinson-s-disease-rat-model
#2
Tuane Bazanella Sampaio, Simone Pinton, Juliana Trevisan da Rocha, Bibiana Mozzaquatro Gai, Cristina Wayne Nogueira
Parkinson's disease is a progressive neurodegenerative disorder characterized by degeneration of nigrostriatal dopaminergic neurons. Diphenyl diselenide [(PhSe)2] is a compound with pharmacological proprieties, such as antidepressant and neuroprotective. Therefore, this study investigated whether (PhSe)2 reverses motor impairment and neurochemical alterations in a model of Parkinson's disease induced by 6-hydroxydopamine (6-OHDA) in rats. For this, male Wistar rats received 20μg/3μl of 6-OHDA or vehicle into the right striatum...
November 30, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27846631/prognostic-factors-and-pattern-of-long-term-recovery-with-mlc601-neuroaid%C3%A2-in-the-chinese-medicine-neuroaid-efficacy-on-stroke-recovery-extension-study
#3
Narayanaswamy Venketasubramanian, Chun Fan Lee, Sherry H Young, San San Tay, Thirugnanam Umapathi, Annabelle Y Lao, Herminigildo H Gan, Alejandro C Baroque Ii, Jose C Navarro, Hui Meng Chang, Joel M Advincula, Sombat Muengtaweepongsa, Bernard P L Chan, Carlos L Chua, Nirmala Wijekoon, H Asita de Silva, John Harold B Hiyadan, Nijasri C Suwanwela, K S Lawrence Wong, Niphon Poungvarin, Gaik Bee Eow, Christopher L H Chen
BACKGROUND: The Chinese Medicine NeuroAiD Efficacy on Stroke recovery - Extension (CHIMES-E) study is among the few acute stroke trials with long-term outcome data. We aimed to evaluate the recovery pattern and the influence of prognostic factors on treatment effect of MLC601 over 2 years. METHODS: The CHIMES-E study evaluated the 2 years outcome of subjects aged ≥18 years with acute ischemic stroke, National Institutes of Health Stroke Scale (NIHSS) score 6-14, pre-stroke modified Rankin Scale (mRS) score ≤1 included in a multicenter, randomized, double-blind, placebo-controlled trial of MLC601 for 3 months...
November 15, 2016: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27844282/morphological-changes-in-a-severe-model-of-parkinson-s-disease-and-its-suitability-to-test-the-therapeutic-effects-of-microencapsulated-neurotrophic-factors
#4
C Requejo, J A Ruiz-Ortega, H Bengoetxea, A García-Blanco, E Herrán, A Aristieta, M Igartua, J L Pedraz, L Ugedo, R M Hernández, J V Lafuente
The unilateral 6-hydroxydopamine (6-OHDA) lesion of medial forebrain bundle (MFB) in rats affords us to study the advanced stages of Parkinson's disease (PD). Numerous evidences suggest synergic effects when various neurotrophic factors are administered in experimental models of PD. The aim of the present work was to assess the morphological changes along the rostro-caudal axis of caudo-putamen complex and substantia nigra (SN) in the referred model in order to test the suitability of a severe model to evaluate new neurorestorative therapies...
November 14, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27833029/bdnf-pi3k-akt-and-nogo-a-rhoa-rock-signaling-pathways-contribute-to-neurorestorative-effect-of-houshiheisan-against-cerebral-ischemia-injury-in-rats
#5
Jiahui Chang, Xiaoquan Yao, Haiyan Zou, Lei Wang, Yue Lu, Hui Zhao, Qiuxia Zhang
ETHNOPHARMACOLOGICAL RELEVANCE: Houshiheisan (HSHS), a classic traditional medicine prescription, has notable effects on patients with stroke. AIM OF THE STUDY: To investigate the neurorestorative effects of HSHS on ischemic stroke and explore its mode of action. MATERIALS AND METHODS: Focal cerebral ischemia models were induced by permanent middle cerebral artery occlusion (pMCAO). Male Sprague-Dawley (SD) rats were randomly divided into 5 experimental groups: sham vehicle, ischemia vehicle, pMCAO + HSHS at 5...
November 7, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27794200/ellagic-acid-improves-endogenous-neural-stem-cells-proliferation-and-neurorestoration-through-wnt-%C3%AE-catenin-signaling-in-vivo-and-in-vitro
#6
Qing-Shan Liu, Shu-Ran Li, Keqin Li, Xu Li, Xiaoying Yin, Zongran Pang
SCOPE: The aim of this study is to research the effects of the polyphenol ellagic acid (EA) on brain cells and to explore its mechanism of action, and to evaluate whether EA can be safely utilized by humans as a functional food or therapeutic agent. METHODS AND RESULTS: A photothrombosis-induced model of brain injury in rats was created, and EA was administered intragastrically to rats on 7 consecutive days post-venous ischemia. An oxygen-glucose deprivation and re-perfusion model was established in neural stem cells in order to research the effects on proliferation after 2 days of EA treatment in vitro...
October 29, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27729575/neurorestorative-responses-to-delayed-human-mesenchymal-stromal-cells-treatment-of-stroke-in-type-2-diabetic-rats
#7
Tao Yan, Poornima Venkat, Michael Chopp, Alex Zacharek, Ruizhuo Ning, Cynthia Roberts, Yi Zhang, Mei Lu, Jieli Chen
BACKGROUND AND PURPOSE: Comorbidity of diabetes mellitus and stroke results in worse functional outcome, poor long-term recovery, and extensive vascular damage. We investigated the neurorestorative effects and mechanisms of stroke treatment with human bone marrow-derived mesenchymal stromal cells (hMSCs) in type 2 diabetes mellitus (T2DM) rats. METHODS: Adult male Wistar rats were induced with T2DM, subjected to 2 hours of middle cerebral artery occlusion (MCAo) and treated via tail-vein injection with (1) PBS (n=8) and (2) hMSCs (n=10; 5×10(6)) at 3 days after MCAo...
November 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27689101/expression-mediated-by-three-partial-sequences-of-the-human-tyrosine-hydroxylase-promoter-in-vivo
#8
Anne-Sophie Rolland, Tatyana Kareva, Olga Yarygina, Nikolai Kholodilov, Robert E Burke
The use of viral vectors to transfect postmitotic neurons has provided an important research tool, and it offers promise for treatment of neurologic disease. The utility of vectors is enhanced by the use of selective promoters that permit control of the cellular site of expression. One potential clinical application is in the neurorestorative treatment of Parkinson's disease by the induction of new axon growth. However, many of the genes with an ability to restore axons have oncogenic potential. Therefore, clinical safety would be enhanced by restriction of expression to neurons affected by the disease, particularly dopamine neurons...
2016: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/27677185/lipoic-acid-use-and-functional-outcomes-after-thrombolysis-in-patients-with-acute-ischemic-stroke-and-diabetes
#9
Kang-Ho Choi, Man-Seok Park, Joon-Tae Kim, Hyung-Seok Kim, Ja-Hae Kim, Tai-Seung Nam, Seong-Min Choi, Seung-Han Lee, Byeong-Chae Kim, Myeong-Kyu Kim, Ki-Hyun Cho
BACKGROUND: Alpha-lipoic acid (aLA) is a strong antioxidant commonly used for treating diabetic polyneuropathy. Previously, we demonstrated the neurorestorative effects of aLA after cerebral ischemia in rats. However, its effects on patients with stroke remain unknown. We investigated whether patients treated with aLA have better functional outcomes after acute ischemic stroke (AIS) and reperfusion therapy than patients not receiving aLA. METHODS: In this retrospective study of 172 prospectively registered patients with diabetes and AIS treated with tissue plasminogen activator (tPA), we investigated the relationship between aLA use and functional outcome both after 3 months and after 1 year...
2016: PloS One
https://www.readbyqxmd.com/read/27633784/merging-transport-data-for-choroid-plexus-with-blood-brain-barrier-to-model-cns-homeostasis-and-diseases-more-effectively
#10
Conrad Johanson, Nancy Johanson
Robust modeling of CNS transport integrates molecular fluxes at the microvascular blood-brain barrier and epithelial choroid plexus blood-CSF barrier. Normal activity of solute transporters, channels and aquaporins, in the cerebral endothelium and choroidal epithelium, sets the microenvironment composition for neurons and glia. Conversely, perturbed transport/permeability at the barrier interfaces causes interstitial fluid dyshomeostasis (e.g. edema) arising in neural disorders. Critically-important transependymal solute/water distribution between brain and CSF needs more attention...
September 15, 2016: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/27614933/sildenafil-improves-brain-injury-recovery-following-term-neonatal-hypoxia-ischemia-in-male-rat-pups
#11
Armin Yazdani, Zehra Khoja, Aaron Johnstone, Laura Dale, Emmanouil Rampakakis, Pia Wintermark
Term asphyxiated newborns remain at risk of developing brain injury despite available neuropreventive therapies such as hypothermia. Neurorestorative treatments may be an alternative. This study investigated the effect of sildenafil on brain injury induced by neonatal hypoxia-ischemia (HI) at term-equivalent age. Neonatal HI was induced in male Long-Evans rat pups at postnatal day 10 (P10) by left common carotid ligation followed by a 2-hour exposure to 8% oxygen; sham-operated rat pups served as the control...
2016: Developmental Neuroscience
https://www.readbyqxmd.com/read/27592819/safety-and-tolerability-of-silk-fibroin-hydrogels-implanted-into-the-mouse-brain
#12
Laura Fernández-García, Núria Marí-Buyé, Juan A Barios, Rodrigo Madurga, Manuel Elices, José Pérez-Rigueiro, Milagros Ramos, Gustavo V Guinea, Daniel González-Nieto
: At present, effective therapies to repair the central nervous system do not exist. Biomaterials might represent a new frontier for the development of neurorestorative therapies after brain injury and degeneration. In this study, an in situ gelling silk fibroin hydrogel was developed via the sonication-induced gelation of regenerated silk fibroin solutions. An adequate timeframe for the integration of the biomaterial into the brain tissue was obtained by controlling the intensity and time of sonication...
November 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27573128/synergistic-and-superimposed-effect-of-bone-marrow-derived-mesenchymal-stem-cells-combined-with-fasudil-in-experimental-autoimmune-encephalomyelitis
#13
Jing-Wen Yu, Yan-Hua Li, Guo-Bin Song, Jie-Zhong Yu, Chun-Yun Liu, Jian-Chun Liu, Hai-Fei Zhang, Wan-Fang Yang, Qing Wang, Ya-Ping Yan, Bao-Guo Xiao, Cun-Gen Ma
Bone marrow-derived mesenchymal stem cells (MSCs) are the ideal transplanted cells of cellular therapy for promoting neuroprotection and neurorestoration. However, the optimization of transplanted cells and the improvement of microenvironment around implanted cells are still two critical challenges for enhancing therapeutic effect. In the current study, we observed the therapeutic potential of MSCs combined with Fasudil in mouse model of experimental autoimmune encephalomyelitis (EAE) and explored possible mechanisms of action...
August 30, 2016: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/27567641/the-value-of-magnetic-resonance-imaging-as-a-biomarker-for-amyotrophic-lateral-sclerosis-a-systematic-review
#14
G Grolez, C Moreau, V Danel-Brunaud, C Delmaire, R Lopes, P F Pradat, M M El Mendili, L Defebvre, D Devos
BACKGROUND: Amyotrophic lateral sclerosis (ALS) is a fatal, rapidly progressive neurodegenerative disease that mainly affects the motor system. A number of potentially neuroprotective and neurorestorative disease-modifying drugs are currently in clinical development. At present, the evaluation of a drug's clinical efficacy in ALS is based on the ALS Functional Rating Scale Revised, motor tests and survival. However, these endpoints are general, variable and late-stage measures of the ALS disease process and thus require the long-term assessment of large cohorts...
August 27, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27563469/neuroprotective-and-neurorestorative-processes-after-spinal-cord-injury-the-case-of-the-bulbospinal-respiratory-neurons
#15
REVIEW
Anne Kastner, Valéry Matarazzo
High cervical spinal cord injuries interrupt the bulbospinal respiratory pathways projecting to the cervical phrenic motoneurons resulting in important respiratory defects. In the case of a lateralized injury that maintains the respiratory drive on the opposite side, a partial recovery of the ipsilateral respiratory function occurs spontaneously over time, as observed in animal models. The rodent respiratory system is therefore a relevant model to investigate the neuroplastic and neuroprotective mechanisms that will trigger such phrenic motoneurons reactivation by supraspinal pathways...
2016: Neural Plasticity
https://www.readbyqxmd.com/read/27523294/n-methyltetrahydropyridines-and-pyridinium-cations-as-toxins-and-comparison-with-naturally-occurring-alkaloids
#16
Tomás Herraiz
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and 1-methyl-4-phenylpyridinium cation (MPP(+)) are selective dopaminergic neurotoxins producing Parkinsonism. MPTP is activated by monoamine oxidase-B (MAO-B) to MPP(+) that inhibits mitochondrial function. Molecules resembling MPTP which afford pyridinium cations are also neurotoxins. The herbicide paraquat (a bipyridinium dication) and the naturally-occurring β-carboline and isoquinoline alkaloids are structural analogues of MPTP/MPP(+). Paraquat generates reactive oxygen species (ROS) producing neurotoxicity by a mechanism that differs from MPTP/MPP(+)...
August 11, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27460851/mir-145-regulates-diabetes-bone-marrow-stromal-cell-induced-neurorestorative-effects-in-diabetes-stroke-rats
#17
Chengcheng Cui, Xinchun Ye, Michael Chopp, Poornima Venkat, Alex Zacharek, Tao Yan, Ruizhou Ning, Peng Yu, Guiyun Cui, Jieli Chen
: : In rats with type 1 diabetes (T1DM), the therapeutic effects and underlying mechanisms of action of stroke treatment were compared between bone-marrow stromal cells (BMSCs) derived from T1DM rats (DM-BMSCs) and BMSCs derived from normal rats (Nor-BMSCs). The novel role of microRNA-145 (miR-145) in mediating DM-BMSC treatment-induced benefits was also investigated. T1DM rats (n = 8 per group) underwent 2 hours of middle cerebral artery occlusion (MCAo) and were treated 24 hours later with the one of the following (5 × 10(6) cells administered i...
July 26, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/27445961/systems-biology-of-immunomodulation-for-post-stroke-neuroplasticity-multimodal-implications-of-pharmacotherapy-and-neurorehabilitation
#18
Mohammed Aftab Alam, V P Subramanyam Rallabandi, Prasun K Roy
AIMS: Recent studies indicate that anti-inflammatory drugs, act as a double-edged sword, not only exacerbating secondary brain injury but also contributing to neurological recovery after stroke. Our aim is to explore whether there is a beneficial role for neuroprotection and functional recovery using anti-inflammatory drug along with neurorehabilitation therapy using transcranial direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS), so as to improve functional recovery after ischemic stroke...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/27412483/novel-incretin-analogues-improve-autophagy-and-protect-from-mitochondrial-stress-induced-by-rotenone-in-sh-sy5y-cells
#19
Jaishree Jalewa, Mohit Kumar Sharma, Christian Hölscher
Currently, there is no viable treatment available for Parkinson's disease (PD) that stops or reverses disease progression. Interestingly, studies testing the glucagon-like-peptide-1 (GLP-1) mimetic Exendin-4 have shown neuroprotective/neurorestorative properties in pre-clinical tests and in a pilot clinical study of PD. Incretin analogues were originally developed to treat type 2 diabetes and several are currently on the market. In this study, we tested novel incretin analogues on the dopaminergic SH-SY5Y neuroblastoma cells against a toxic mitochondrial complex I inhibitor, Rotenone...
October 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27358578/adult-neurogenesis-and-gliogenesis-possible-mechanisms-for-neurorestoration
#20
REVIEW
Zoltán Rusznák, Willem Henskens, Emma Schofield, Woojin S Kim, YuHong Fu
The subgranular zone (SGZ) and subventricular zone (SVZ) are developmental remnants of the germinal regions of the brain, hence they retain the ability to generate neuronal progenitor cells in adult life. Neurogenesis in adult brain has an adaptive function because newly produced neurons can integrate into and modify existing neuronal circuits. In contrast to the SGZ and SVZ, other brain regions have a lower capacity to produce new neurons, and this usually occurs via parenchymal and periventricular cell genesis...
June 2016: Experimental Neurobiology
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