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Therapy of spinal cord injury

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https://www.readbyqxmd.com/read/28107629/discovery-of-1-2-3-triazole-derivatives-for-multimodality-pet-ct-cryoimaging-of-myelination-in-the-central-nervous-system
#1
Chunying Wu, Brendan Eck, Sheng Zhang, Junqing Zhu, Anand Dev Tiwari, Yifan Zhang, Yunjie Zhu, Jinming Zhang, Bin Wang, Xizhen Wang, Xu Wang, Jingqiang You, Jian Wang, Yihui Guan, Xingdang Liu, Xin Yu, Bruce D Trapp, Robert Miller, Jerry Silver, David Wilson, Yanming Wang
Myelin pathology is present in many neurological conditions such as multiple sclerosis (MS) and traumatic spinal cord injury (SCI). To facilitate development of novel therapies aimed at myelin repair, we set out to develop imaging agents that permit direct quantification of myelination in vivo. In this work, we designed and synthesized a series of fluorescent fluorinated myelin imaging agents that can be used for in vivo positron emission tomography (PET) imaging combined with subsequent post-mortem fluorescent cryoimaging...
January 20, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28107239/management-of-pharyngeal-fistulas-after-anterior-cervical-spine-surgery-a-treatment-algorithm-for-severe-complications
#2
Christian Simon, Carl H Fürstenberg, Markus Eichler, Stefan Rohde, Cem Bulut, Bernd Wiedenhöfer
STUDY DESIGN: This study is a retrospective database query to identify all anterior spinal approaches. OBJECTIVES: The objectives were to assess all patients with pharyngocutaneous fistulas (PCFs) after anterior cervical spine surgery. SUMMARY OF BACKGROUND DATA: Patients with the diagnosis of PCFs were treated at the University of Heidelberg Spine Medical Center, Spinal Cord Injury Unit and Department of Otolaryngology (Germany), between 2005 and 2011...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28105588/nogo-a-antibodies-for-progressive-multiple-sclerosis
#3
Benjamin V Ineichen, Patricia S Plattner, Nicolas Good, Roland Martin, Michael Linnebank, Martin E Schwab
Most of the current therapies, as well as many of the clinical trials, for multiple sclerosis (MS) target the inflammatory autoimmune processes, but less than 20% of all clinical trials investigate potential therapies for the chronic progressive disease stage of MS. The latter is responsible for the steadily increasing disability in many patients, and there is an urgent need for novel therapies that protect nervous system tissue and enhance axonal growth and/or remyelination. As outlined in this review, solid pre-clinical data suggest neutralization of the neurite outgrowth inhibitor Nogo-A as a potential new way to achieve both axonal and myelin repair...
January 19, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28096400/defining-recovery-neurobiology-of-injured-spinal-cord-by-synthetic-matrix-assisted-hmsc-implantation
#4
Alexander E Ropper, Devang K Thakor, InBo Han, Dou Yu, Xiang Zeng, Jamie E Anderson, Zaid Aljuboori, Soo-Woo Kim, Hongjun Wang, Richard L Sidman, Ross D Zafonte, Yang D Teng
Mesenchymal stromal stem cells (MSCs) isolated from adult tissues offer tangible potential for regenerative medicine, given their feasibility for autologous transplantation. MSC research shows encouraging results in experimental stroke, amyotrophic lateral sclerosis, and neurotrauma models. However, further translational progress has been hampered by poor MSC graft survival, jeopardizing cellular and molecular bases for neural repair in vivo. We have devised an adult human bone marrow MSC (hMSC) delivery formula by investigating molecular events involving hMSCs incorporated in a uniquely designed poly(lactic-co-glycolic) acid scaffold, a clinically safe polymer, following inflammatory exposures in a dorsal root ganglion organotypic coculture system...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095731/n-palmitoylethanolamine-oxazoline-pea-oxa-as-a-new-therapeutic-strategy-to-control-neuroinflammation-neuroprotective-effects-in-experimental-models-of-spinal-cord-and-brain-injury
#5
Daniela Impellizzeri, Marika Cordaro, Giuseppe Bruschetta, Rosalba Siracusa, Rosalia Crupi, Emanuela Esposito, Salvatore Cuzzocrea
Modulation of N-acylethanolamine-hydrolyzing acid amidase (NAAA) represents a potential alternative strategy in the treatment of neuroinflammation. Recent studies showed that pharmacological modulation of NAAA could be achieved with the oxazoline of palmitoylethanolamide (PEA) (PEA-OXA). The aim of this study was to evaluate the neuroprotective effects of PEA-OXA in the secondary neuro-inflammatory events induced by spinal and brain trauma in mice. Animals were subjected to spinal cord and brain injury models and PEA-OXA (10 mg/kg) administered both intraperitoneally and orally 1 h and 6 h after trauma...
January 17, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28095679/non-naturally-occurring-small-molecule-microtubule-stabilizing-agents-a-potential-tactic-for-cns-directed-therapies
#6
Carlo Ballatore, Kurt R Brunden, John Q Trojanowski, Virginia M-Y Lee, Amos B Smith
Several independent studies indicate that microtubule (MT)-stabilizing agents hold considerable promise as candidate therapeutics for a wide spectrum of conditions of the central nervous system (CNS), from brain tumors to spinal cord injury, as well as a number of neurodegenerative diseases, including Alzheimer's disease, frontotemporal lobar degeneration, Parkinson's disease, and amyotrophic lateral sclerosis. Although the identification and development of candidate compounds for CNS-directed MT-stabilizing therapies has been a challenge in drug discovery for many years, a growing number of molecules have now been identified that exhibit both MT-stabilizing activity and brain penetration...
18, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28089079/repeated-subarachnoid-administrations-of-autologous-mesenchymal-stromal-cells-supported-in-autologous-plasma-improve-quality-of-life-in-patients-suffering-incomplete-spinal-cord-injury
#7
Jesús Vaquero, Mercedes Zurita, Miguel A Rico, Celia Bonilla, Concepción Aguayo, Cecilia Fernández, Noemí Tapiador, Marta Sevilla, Carlos Morejón, Jesús Montilla, Francisco Martínez, Esperanza Marín, Salvador Bustamante, David Vázquez, Joaquín Carballido, Alicia Rodríguez, Paula Martínez, Coral García, Mercedes Ovejero, Marta V Fernández
BACKGROUND AIMS: Cell therapy with mesenchymal stromal cells (MSCs) offers new hope for patients suffering from spinal cord injury (SCI). METHODS: Ten patients with established incomplete SCI received four subarachnoid administrations of 30 × 10(6) autologous bone marrow MSCs, supported in autologous plasma, at months 1, 4, 7 and 10 of the study, and were followed until the month 12. Urodynamic, neurophysiological and neuroimaging studies were performed at months 6 and 12, and compared with basal studies...
January 6, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28088077/rhoa-knockdown-by-cationic-amphiphilic-copolymer-sirhoa-polyplexes-enhances-axonal-regeneration-in-rat-spinal-cord-injury-model
#8
So-Jung Gwak, Christian Macks, Da Un Jeong, Mark Kindy, Michael Lynn, Ken Webb, Jeoung Soo Lee
Spinal cord injury (SCI) results in permanent loss of motor and sensory function due to developmentally-related and injured-induced changes in the extrinsic microenvironment and intrinsic neuronal biochemistry that limit plasticity and axonal regeneration. Our long term goal is to develop cationic, amphiphilic copolymers (poly (lactide-co-glycolide)-g-polyethylenimine, PgP) for combinatorial delivery of therapeutic nucleic acids (TNAs) and drugs targeting these different barriers. In this study, we evaluated the ability of PgP to deliver siRNA targeting RhoA, a critical signaling pathway activated by multiple extracellular inhibitors of axonal regeneration...
January 3, 2017: Biomaterials
https://www.readbyqxmd.com/read/28079752/changes-in-dorsal-root-ganglion-gene-expression-in-response-to-spinal-cord-stimulation
#9
Dana M Tilley, David L Cedeño, Courtney A Kelley, Margaret DeMaegd, Ramsin Benyamin, Ricardo Vallejo
BACKGROUND AND OBJECTIVES: Spinal cord stimulation (SCS) has been shown to influence pain-related genes in the spinal cord directly under the stimulating electrodes. There is limited information regarding changes occurring at the dorsal root ganglion (DRG). This study evaluates gene expression in the DRG in response to SCS therapy. METHODS: Rats were randomized into experimental or control groups (n = 6 per group). Experimental animals underwent spared-nerve injury, implantation of lead, and continuous SCS (72 hours)...
January 11, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28078075/a-design-method-for-fes-bone-health-therapy-in-sci
#10
Brian Andrews, James Shippen, Monica Armengol, Robin Gibbons, William Holderbaum, William Harwin
FES assisted activities such as standing, walking, cycling and rowing induce forces within the leg bones and have been proposed to reduce osteoporosis in spinal cord injury (SCI). However, details of the applied mechanical stimulus for osteogenesis is often not reported. Typically, comparisons of bone density results are made after costly and time consuming clinical trials. These studies have produced inconsistent results and are subject to sample size variations. Here we propose a design process that may be used to predict the clinical outcome based on biomechanical simulation and mechano-biology...
September 15, 2016: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28077367/electroacupuncture-alleviates-the-inflammatory-response-via-effects-on-m1-and-m2-macrophages-after-spinal-cord-injury
#11
Jiagui Zhao, Rongyi Zhang, Likui Wang, Yuanhai Li
BACKGROUND: Macrophages/microglia are important effector cells at the site of spinal cord injury (SCI). M1-type macrophages facilitate innate immunity to remove foreign microbes and wound debris from the injury site. M2-type macrophages exhibit tissue repair properties and attenuate production of pro-inflammatory cytokines. Regulation of the polarisation of M1/M2 macrophages may affect the inflammatory response in SCI and may be related to neurotrophin-3 (NT-3). Electroacupuncture (EA) at GV acupuncture points can be used as an adjuvant therapy for SCI...
January 11, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/28073086/human-neural-progenitors-derived-from-integration-free-ipscs-for-sci-therapy
#12
Ying Liu, Yiyan Zheng, Shenglan Li, Haipeng Xue, Karl Schmitt, Georgene W Hergenroeder, Jiaqian Wu, Yuanyuan Zhang, Dong H Kim, Qilin Cao
As a potentially unlimited autologous cell source, patient induced pluripotent stem cells (iPSCs) provide great capability for tissue regeneration, particularly in spinal cord injury (SCI). However, despite significant progress made in translation of iPSC-derived neural progenitor cells (NPCs) to clinical settings, a few hurdles remain. Among them, non-invasive approach to obtain source cells in a timely manner, safer integration-free delivery of reprogramming factors, and purification of NPCs before transplantation are top priorities to overcome...
January 5, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28072797/effect-of-concomitant-pain-medications-on-response-to-pregabalin-in-patients-with-postherpetic-neuralgia-or-spinal-cord-injury-related-neuropathic-pain
#13
Stephan A Schug, Bruce Parsons, Mary Almas, Ed Whalen
BACKGROUND: Patients with neuropathic pain (NeP) often receive combination therapy with multiple agents in the hopes of improving both pain and any comorbidities that may be present. While pregabalin is often recommended as a first-line treatment of NeP, few studies have examined the effects of concomitant medications on the efficacy of pregabalin. OBJECTIVE: To examine the effects of concomitant medications on the efficacy and safety of pregabalin for the treatment of NeP...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28062253/spinal-neuropeptide-expression-and-neuropathic-behavior-in-the-acute-and-chronic-phases-after-spinal-cord-injury-effects-of-progesterone-administration
#14
María F Coronel, Marcelo J Villar, Pablo R Brumovsky, Susana L González
Patients with spinal cord injury (SCI) develop chronic pain that severely compromises their quality of life. We have previously reported that progesterone (PG), a neuroprotective steroid, could offer a promising therapeutic strategy for neuropathic pain. In the present study, we explored temporal changes in the expression of the neuropeptides galanin and tyrosine (NPY) and their receptors (GalR1 and GalR2; Y1R and Y2R, respectively) in the injured spinal cord and evaluated the impact of PG administration on both neuropeptide systems and neuropathic behavior...
January 3, 2017: Peptides
https://www.readbyqxmd.com/read/28058534/hyperbaric-oxygen-attenuates-neuropathic-pain-and-reverses-inflammatory-signaling-likely-via-the-kindlin-1-wnt-10a-signaling-pathway-in-the-chronic-pain-injury-model-in-rats
#15
Baisong Zhao, Yongying Pan, Haiping Xu, Xingrong Song
BACKGROUND: Hyperbaric oxygen (HBO) therapy is proven to attenuate neuropathic pain in rodents. The goal of the present study was to determine the potential involvement of the Kindlin-1/Wnt-10a signaling pathway during astrocyte activation and inflammation in a rodent model of neuropathic pain. METHODS: Rats were assigned into sham operation, chronic constriction injury (CCI), and CCI + HBO treatment groups. Neuropathic pain developed in rats following CCI of the sciatic nerve...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28057928/predictive-screening-of-m1-and-m2-macrophages-reveals-the-immunomodulatory-effectiveness-of-post-spinal-cord-injury-azithromycin-treatment
#16
John C Gensel, Timothy J Kopper, Bei Zhang, Michael B Orr, William M Bailey
Spinal cord injury (SCI) triggers a heterogeneous macrophage response that when experimentally polarized toward alternative forms of activation (M2 macrophages) promotes tissue and functional recovery. There are limited pharmacological therapies that can drive this reparative inflammatory state. In the current study, we used in vitro systems to comprehensively defined markers of macrophages with known pathological (M1) and reparative (M2) properties in SCI. We then used these markers to objectively define the macrophage activation states after SCI in response to delayed azithromycin treatment...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28056790/immunization-with-neural-derived-peptides-plus-scar-removal-induces-a-permissive-microenvironment-and-improves-locomotor-recovery-after-chronic-spinal-cord-injury
#17
Roxana Rodríguez-Barrera, Adrián Flores-Romero, Ana María Fernández-Presas, Elisa García-Vences, Raúl Silva-García, Mina Konigsberg, Liliana Blancas-Espinoza, Vinnitsa Buzoianu-Anguiano, Karla Soria-Zavala, Paola Suárez-Meade, Antonio Ibarra
BACKGROUND: Immunization with neural derived peptides (INDP) as well as scar removal-separately-have shown to induce morphological and functional improvement after spinal cord injury (SCI). In the present study, we compared the effect of INDP alone versus INDP with scar removal on motor recovery, regeneration-associated and cytokine gene expression, and axonal regeneration after chronic SCI. Scar removal was conducted through a single incision with a double-bladed scalpel along the stump, and scar renewal was halted by adding α,α'-dipyridyl...
January 5, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28054832/a-qualitative-exploration-of-living-with-chronic-neuropathic-pain-after-spinal-cord-injury-an-italian-perspective
#18
Valentina Buscemi, Elizabeth Cassidy, Cherry Kilbride, Frances Ann Reynolds
PURPOSE: The purpose of this study is to understand how people with spinal cord injury (SCI) in Italy experienced and managed chronic neuropathic pain (CNP), and their perspectives of Italian healthcare services. METHOD: Nine people with SCI participated. Two focus groups (three and four individuals) and one semi-structured interview were audio-recorded and transcribed. One "virtual interview" was conducted via e-mail. A qualitative thematic analysis was undertaken...
January 5, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28048228/su-f-p-26-study-of-radiation-dose-evaluation-for-organs-at-risk-using-mri-in-intensity-modulated-radiation-therapy-for-nasopharyngeal-carcinoma
#19
G Gong, Y Guo, Y Yin
PURPOSE: To study the contour and dosimetric feature of organs at risk (OARs) applying magnetic resonance imaging (MRI) images in intensity modulated radiation therapy (IMRT) of nasopharyngeal carcinoma (NPC) compared to computed tomography (CT) images. METHODS: 35 NPC patients was selected into this trail. CT simulation with non-contrast and contrast enhanced scan, MRI simulation with non-contrast and contrast enhanced T1, T2 and diffusion weighted imaging were achieved sequentially...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28035961/stem-cells-and-labeling-for-spinal-cord-injury
#20
REVIEW
Marina Gazdic, Vladislav Volarevic, Aleksandar Arsenijevic, Slaven Erceg, Victoria Moreno-Manzano, Nebojsa Arsenijevic, Miodrag Stojkovic
Spinal cord injury (SCI) is a devastating condition that usually results in sudden and long-lasting locomotor and sensory neuron degeneration below the lesion site. During the last two decades, the search for new therapies has been revolutionized with the improved knowledge of stem cell (SC) biology. SCs therapy offers several attractive strategies for spinal cord repair. The transplantation of SCs promotes remyelination, neurite outgrowth and axonal elongation, and activates resident or transplanted progenitor cells across the lesion cavity...
December 26, 2016: International Journal of Molecular Sciences
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