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Spinal cord injury treatment

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https://www.readbyqxmd.com/read/28935700/mitochondrial-based-therapeutics-for-the-treatment-of-spinal-cord-injury-mitochondrial-biogenesis-as-a-potential-pharmacological-target
#1
Natalie E Scholpa, Rick G Schnellmann
Spinal cord injury (SCI) is characterized by an initial trauma followed by a progressive cascade of damage referred to as secondary injury. A hallmark of secondary injury is vascular disruption leading to vasoconstriction and decreased oxygen delivery, directly reducing the ability of mitochondria to maintain homeostasis, leading to loss of ATP-dependent cellular functions, calcium overload, excitotoxicity and oxidative stress, further exacerbating injury. Restoration of mitochondria dysfunction during the acute phases of secondary injury post-SCI represents a potentially effective therapeutic strategy...
September 21, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28934735/effect-of-shikonin-on-spinal-cord-injury-in-rats-via-regulation-of-hmgb1-tlr4-nf-kb-signaling-pathway
#2
Yihui Bi, Yapeng Zhu, Mingkai Zhang, Keke Zhang, Xingyi Hua, Zheng Fang, Jian Zhou, Wenjie Dai, Yixing Cui, Jun Li, Tao You
BACKGROUND/AIMS: Shikonin, a compound extracted from Zicao, has been demonstrated to hold anti-bacterial, anti-inflammatory, and anti-tumor activities in various diseases and it has been shown to protect human organs from injuries. However, the effect of shikonin on the recovery of spinal cord injury (SCI) remains unknown. This study was designed to estimate the potential therapeutic effect and underlying mechanism of shikonin on SCI in vivo. METHODS: In the study, we used HE staining, ELISA assay, transfection assay, TUNEL assay, real time PCR and Western blot to detect the effects of shikonin on spinal cord injury in rats...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28929907/management-of-obesity-after-spinal-cord-injury-a-systematic-review
#3
M H Shojaei, S M Alaviniaa, B C Craven
CONTEXT: Individuals with chronic spinal cord injury (SCI) are susceptible to central and visceral obesity and it's metabolic consequences; consensus based guidelines for obesity management after SCI have not yet been stablished. OBJECTIVES: To identify and compare effective means of obesity management among SCI individuals. METHODS: This systematic review included English and non-English articles, published prior to April 2017 found in the PubMed/Medline, Embase, CINAHL Psychinfo and Cochrane databases...
September 20, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28929471/-delta-9-tetrahydrocannabinol-cannabidiol-in-the-treatment-of-spasticity-in-chronic-spinal-cord-injury-a-clinical-experience
#4
C Grao-Castellote, F Torralba-Collados, L M Gonzalez, M Giner-Pascual
INTRODUCTION: Spasticity in chronic spinal cord injury is a condition that can have negative repercussions on the patient's quality of life. Its treatment is complex and sometimes the outcome is insufficient. Cannabinoids have recently been used in multiple sclerosis to successfully treat spasticity that is refractory to other therapies. AIM: To quantify the clinical response of a group of patients with spastic chronic spinal cord injury to the orally administered drug delta-9-tetrahydrocannabinol-cannabidiol (Sativex ®) as medication for use in special situations...
October 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28925510/mir-30a-5p-ameliorates-spinal-cord-injury-induced-inflammatory-responses-and-oxidative-stress-by-targeting-neurod-1-through-mapk-erk-signaling
#5
Xiaodong Fu, Yi Shen, Weili Wang, Xiaomiao Li
Spinal cord injury (SCI) is a major disability requiring more effective treatment than is currently available. MicroRNAs have been shown to effectively regulate gene expression at the translational level. The aim of the present study was to explore the potential role of miR-30-5p and possible mechanism in SCI. We found that miR-30-5p was notably down-regulated, while Neurod 1 expression was highly elevated in microglia from the mouse model of SCI. Additionally, overexpression of miR-30a-5p significantly suppressed inflammatory responses as reflected by an decrease in the secretion of the cytokines TNF-α, IL-1β and IL-10 triggered by SCI...
September 19, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28921700/low-dose-fractionated-irradiation-promotes-axonal-regeneration-beyond-reactive-gliosis-and-facilitates-locomotor-function-recovery-after-spinal-cord-injury-in-beagle-dogs
#6
Qiang Zhang, Ying Xiong, Bo Zhu, Bifeng Zhu, Daishi Tian, Wei Wang
Injury to the adult central nervous system (CNS) results in the formation of glial scar tissues. Glial scar-induced failure of regenerative axon pathfinding may limit axon regrowth beyond the lesion site and cause incorrect reinnervation and dystrophic appearance of stalled growth after CNS trauma. Glial scars also upregulate chondroitin sulfate proteoglycans (CSPGs) and expression of proinflammatory factor(s) that form a barrier to axonal regeneration. Therefore, interventions for glial scarring are an attractive strategy for augmenting axonal sprouting and regeneration and overcoming the physical and molecular barriers impeding functional repair...
September 18, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28918684/differential-induction-of-c-fos-and-phosphorylated-erk-by-a-noxious-stimulus-after-peripheral-nerve-injury
#7
Mitsuyasu Tabata, Ryuji Terayama, Kotaro Maruhama, Seiji Iida, Tomosada Sugimoto
Induction of c-Fos and phosphorylated extracellular signal-regulated kinase (p-ERK) has been demonstrated in spinal dorsal horn neurons by noxious stimuli. In this study, we compared induction of c-Fos and p-ERK in the spinal dorsal horn after peripheral nerve injury. We examined the spinal dorsal horn for noxious heat-induced c-Fos and p-ERK protein-like immunoreactive (c-Fos- and p-ERK-IR) neuron profiles after tibial nerve injury. A large number of c-Fos- and p-ERK-IR neuron profiles were induced by noxious heat stimulation to the hindpaw in sham-operated animals...
September 18, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28902102/post-traumatic-spinal-hygroma-causing-cord-compression-in-type-iii-odontoid-fracture-with-vertical-atlantoaxial-instability
#8
Salvatore Russo, Antonio Belli, Andy Eynon, Ali Nader-Sepahi
STUDY DESIGN: Case report. OBJECTIVE: To report the first case in the literature of a traumatic cervical spine subdural cerebrospinal fluid (CSF) collection (hygroma) under tension causing cord compression. We suggest etiopathogenesis and modality of treatment. SUMMARY OF BACKGROUND DATA: Hygromas are subdural cranial CSF collection. A literature review showed no previous published case of post-traumatic spinal hygroma. This was a potential life-threatening sequelae of a high cervical injury that warranted early diagnosis and emergency treatment...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28901946/design-of-semg-assembly-to-detect-external-anal-sphincter-activity-a-proof-of-concept
#9
Arsam Shiraz, Brian Leaker, Charles Alexander Mosse, Eskinder Solomon, Michael Craggs, Andreas Demosthenous
Conditional trans-rectal stimulation of the pudendal nerve could provide a viable solution to treat hyperreflexive bladder in spinal cord injury. A set threshold of the amplitude estimate of the external anal sphincter surface electromyography (sEMG) may be used as the trigger signal. The efficacy of such a device should be tested in a large scale clinical trial. As such a probe should remain in situ for several hours while patients attend to their daily routine, the recording electrodes should be designed to be large enough to maintain good contact while observing design constraints...
September 13, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28901182/effects-of-bone-marrow-derived-msc-transplantation-on-functional-recovery-in-a-rat-model-of-spinal-cord-injury-comparisons-of-transplant-locations-and-cell-concentrations
#10
Jessica J Matyas, Andrew N Stewart, Alison Goldsmith, Zhenhong Nan, Reid L Skeel, Julien Rossignol, Gary L Dunbar
Spinal cord injury (SCI) is a widely disabling condition, constraining those affected by it to wheelchairs and requiring intense daily care and assistance. Cell replacement therapies, targeting regeneration of cells in the injured cord, are currently gaining momentum in the field of SCI research. Previous studies indicate that mesenchymal stem cells (MSCs) can reduce functional deficits through immunomodulation and production of trophic factors in a variety of neurological disorders. The present study assessed the efficacy of transplanted bone marrow-derived MSCs at different concentrations and locations for promoting functional recovery following SCI...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28899730/a-green-tea-polyphenol-epigallocatechin-3-gallate-enhances-neuroregeneration-after-spinal-cord-injury-by-altering-levels-of-inflammatory-cytokines
#11
Lucia Machova Urdzikova, Jiri Ruzicka, Kristyna Karova, Anna Kloudova, Barbora Svobodova, Anubhav Amin, Jana Dubisova, Meic Schmidt, Sarka Kubinova, Meena Jhanwar-Uniyal, Pavla Jendelova
Spinal cord injury (SCI) is a debilitating condition which is characterized by an extended secondary injury due to the presence of inflammatory local milieu. Epigallocatechin gallate (EGCG) appears to possess strong neuroprotective properties. Here, we evaluated the beneficial effect of EGCG on recovery from SCI. Male Wistar rats were given either EGCG or saline directly to the injured spinal cord and thereafter a daily IP injection. Behavior recovery was monitored by BBB, plantar, rotarod and flat-beam tests...
September 9, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28899427/activation-of-dorsal-horn-cannabinoid-cb2-receptor-suppresses-the-expression-of-p2y12-and-p2y13-receptors-in-neuropathic-pain-rats
#12
Juan Niu, Dujuan Huang, Rui Zhou, MingXia Yue, Tao Xu, Junna Yang, Li He, Hong Tian, XiaoHong Liu, Junwei Zeng
BACKGROUND: More evidence suggests that dorsal spinal cord microglia is an important site contributing to CB2 receptor-mediated analgesia. The upregulation of P2Y12 and P2Y13 purinoceptors in spinal dorsal horn microglia is involved in the development of pain behavior caused by peripheral nerve injury. However, it is not known whether the expression of P2Y12 and P2Y13 receptors at spinal dorsal horn will be influenced after CB2 receptor activation in neuropathic pain rats. METHODS: Chronic constriction injury (CCI) and intrathecal ADPbetaS injection were performed in rats to induce neuropathic pain...
September 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28899286/restless-legs-syndrome-related-to-hemorrhage-of-a-thoracic-spinal-cord-cavernoma
#13
Malik Hamdaoui, Elisabeth Ruppert, Henri Comtet, Ulker Kilic-Huck, Valérie Wolff, Marc Bataillard, Patrice Bourgin
CONTEXT: Restless legs syndrome (RLS) is a common neurological disorder characterized by an irresistible urge to move the lower limbs often accompanied by unpleasant sensations in the legs, worsened at rest and in the evening. Symptoms are improved by movement. Its pathophysiology remains poorly understood. Lesion-related RLS has been reported, mainly in cases of stroke-related RLS involving the brainstem and lenticulostriate nuclei. Only few data of RLS in a context of spinal cord injury have been reported...
September 12, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28893707/endovascular-aorto-iliac-revascularization-in-a-patient-with-spinal-cord-injury-and-hip-contracture
#14
Naixin Kang, Stefan Kenel-Pierre, Hilene DeAmorim, John Karwowski, Arash Bornak
Treatment of chronic peripheral ischemic wounds in patients with spinal cord injury (SCI) can be technically challenging, especially if they have significant hip contracture. This paper describes the endovascular aorto-iliac revascularization of a paraplegic patient with hip contracture and a hostile abdomen. It also reviews the particularity of the peripheral arterial system in SCI patients.
September 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28893706/hypertension-acute-stent-thrombosis-and-paraplegia-6-months-after-tevar-for-blunt-thoracic-aortic-injury-in-a-22-year-old-patient
#15
O Martinelli, F Faccenna, A Malaj, J Jabbour, S Venosi, R Gattuso, B Gossetti, L Irace
TEVAR is a less invasive option for managing traumatic injuries of the descending aorta in polytraumatized patients. Concerns arise when treating young patients with TEVAR. A 22-year old male was admitted to the Emergency Department following a high-impact road traffic collision. Whole body CT scan documented multiple injuries, including rupture of descending thoracic aorta just below the isthmus. There was no evidence of paraplegia or stroke. We decided to treat him in an endovascular fashion with a Zenith Cook (Cook Incorporated, Bloomington, IN) endograft...
September 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28893554/functional-gait-analysis-in-a-spinal-contusion-rat-model
#16
REVIEW
Abhiraj D Bhimani, Pouyan Kheirkhah, Gregory D Arnone, Cindy R Nahhas, Prateek Kumar, Matt Wonais, Hugo Hidrogo, Eddy Aguilar, Daniel Spalinski, Mahie Gopalka, Steven Roth, Ankit I Mehta
Evaluating functional performance of spinal cord injury (SCI) rat models is essential for the development of novel treatments and breakthroughs. However, due to the variety of functional analysis methods available - each with its own strengths and weaknesses - it can be challenging to choose the most appropriate functional analysis test for the animal model. Therefore, we analyzed the strengths and weaknesses of five methods in order to determine which test is not only accurate and easily reproducible, but also relatively inexpensive so that it can be adopted universally...
September 8, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28891440/a-systematic-review-of-mesenchymal-stem-cells-in-spinal-cord-injury-intervertebral-disc-repair-and-spinal-fusion
#17
Shujhat Khan, Pouya Mafi, Reza Mafi, Wasim Khan
Spinal surgery presents a challenge for both neurosurgery and orthopaedic surgery. Due to the heterogeneous differentiation potential of mesenchymal stem cells, there is much interest in the treatment of spine surgery. Animal and human trials focussing on the efficacy of mesenchymal stem cells in spinal cord injury, spine fusion and disc degeneration were included in this systematic review. Published articles up to January 2016 from MEDLINE, PubMed and Ovid were used by searching for specific terms. Of the 2595 articles found, 53 met the selection criteria and were included for analysis (16 on spinal cord injury, 28 on intervertebral disc repair and 9 on spinal fusion)...
September 7, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28890869/multifunctional-biomimetic-spinal-cord-new-approach-to-repair-spinal-cord-injuries
#18
REVIEW
Yang Liu, Qian Li, Bin Zhang, De-Xiang Ban, Shi-Qing Feng
The incidence of spinal cord injury (SCI) has been gradually increasing, and the treatment has troubled the medical field all the time. Primary and secondary injuries ultimately lead to nerve impulse conduction block. Microglia and astrocytes excessively accumulate and proliferate to form the glial scar. At present, to reduce the effect of glial scar on nerve regeneration is a hot spot in the research on the treatment of SCI. According to the preliminary experiments, we would like to provide a new bionic spinal cord to reduce the negative effect of glial scar on nerve regeneration...
August 20, 2017: World Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28886701/the-loss-of-function-disease-mutation-g301r-in-the-na-k-atpase-%C3%AE-2-isoform-decreases-lesion-volume-and-improves-functional-outcome-after-acute-spinal-cord-injury-in-mice
#19
Ditte Gry Ellman, Toke Jost Isaksen, Minna Christiansen Lund, Safinaz Dursun, Martin Wirenfeldt, Louise Helskov Jørgensen, Karin Lykke-Hartmann, Kate Lykke Lambertsen
BACKGROUND: The Na(+)/K(+)-ATPases are transmembrane ion pumps important for maintenance of ion gradients across the plasma membrane that serve to support multiple cellular functions, such as membrane potentials, regulation of cellular volume and pH, and co-transport of signaling transmitters in all animal cells. The α2Na(+)/K(+)-ATPase subunit isoform is predominantly expressed in astrocytes, which us the sharp Na(+)-gradient maintained by the sodium pump necessary for astroglial metabolism...
September 8, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28884834/transplantation-of-hypoxic-preconditioned-neural-stem-cells-benefits-functional-recovery-via-enhancing-neurotrophic-secretion-after-spinal-cord-injury-in-rats
#20
Wei-Li Fan, Peng Liu, Guan Wang, Jung-Ang Pu, Xin Xue, Jian-Hua Zhao
Spinal cord injury (SCI) is a debilitating, costly, and common pathological condition that affects the function of central nervous system (CNS). To date, there are few promising therapeutic strategies available for SCI. To look for a suitable therapeutic strategy, we have developed a sublethal hypoxic preconditioning procedure using Fluorescence-activated cell sorting (FACS) analysis, LDH releasing and cell viability assays in vitro. Meanwhile, we have examined the benefits of neural stem cells (NSCs) transplantation prior to hypoxic preconditioning on functional recovery and potential mechanism via MRI screening, H&E and Nissl staining, immunofluorescence staining and Elisa assays...
September 8, 2017: Journal of Cellular Biochemistry
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