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Spinal injury

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https://www.readbyqxmd.com/read/28214378/calcium-signaling-through-l-type-calcium-channels-role-in-pathophysiology-of-spinal-nociceptive-transmission
#1
REVIEW
Olivier Roca-Lapirot, Houda Radwani, Franck Aby, Frédéric Nagy, Marc Landry Pascal Fossat
L-type voltage-gated calcium channels (VGCCs) are ubiquitous channels in the central nervous system. L-type calcium channels (LTCs) are mostly post-synaptic channels regulating neuronal firing and gene expression. They play a role in important physio-pathological processes such as learning and memory, Parkinson's disease, autism and, as recognized more recently, in the pathophysiology of pain processes. Classically, the fundamental role of these channels in cardiovascular functions has limited the use of classical molecules to treat LTC-dependent disorders...
February 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28214250/colorectal-cancer-screening-adherence-in-selected-disabilities-over-10-years
#2
Chelsea B Deroche, Suzanne W McDermott, Joshua R Mann, James W Hardin
INTRODUCTION: Colorectal cancer (CRC) is the second leading cause of cancer mortality in the U.S.; however, if the population aged 50 years or older received routine screening, approximately 60% of these deaths could be eliminated. This study investigates whether adults, aged 50-75 years, with one of three disabilities (blind/low vision [BLV], intellectual disability [ID], spinal cord injury [SCI]) receive CRC screening at rates equivalent to adults without the three disabilities, by accounting for combinations of recommended CRC screenings during a 10-year period (colonoscopy, sigmoidoscopy, fecal occult blood test)...
February 14, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28213754/low-energy-availability-menstrual-dysfunction-and-low-bone-mineral-density-in-individuals-with-a-disability-implications-for-the-para-athlete-population
#3
REVIEW
Cheri A Blauwet, Emily M Brook, Adam S Tenforde, Elizabeth Broad, Caroline H Hu, Eliza Abdu-Glass, Elizabeth G Matzkin
Low energy availability, functional hypothalamic amenorrhea, and low bone mineral density are three interrelated conditions described in athletic women. Although described as the female athlete triad (Triad), males experience similar health concerns. The literature suggests that individuals with a disability may experience altered physiology related to these three conditions when compared with the able-bodied population. The goal of this review is to describe the unique implications of low energy availability, low bone mineral density, and, in females, menstrual dysfunction in individuals with a disability and their potential impact on the para athlete population...
February 17, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28213202/determinants-of-cough-effectiveness-in-patients-with-respiratory-muscle-weakness
#4
Franco Laghi, Veeranna Maddipati, Timothy Schnell, W Edwin Langbein, Martin J Tobin
Experiments were undertaken to mechanistically define expiratory-muscle contribution to effectiveness of cough while controlling glottic movement. We hypothesized that electrical abdominal-muscle stimulation in patients with respiratory-muscle weakness produces effective coughs only when glottic closure accompanies coughs. In ten spinal-cord-injury patients, esophago-gastric pressure and airflow were recorded during solicited-coughs, coughs augmented by abdominal-muscle stimulation, and passive open-glottis exhalations...
February 14, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28213069/a-pilot-study-of-cell-mediated-gene-therapy-for-spinal-cord-injury-in-mini-pigs
#5
Islamov Rustem Robertovich, Sokolov Mikhail Evgenyevich, Bashirov Farid Vagizovich, Fadeev Filip Olegovich, Shmarov Maxim Michaylovich, Naroditskiy Boris Savelyevich, Povysheva Tatyana Vyacheslavovna, Shaymardanova Gulnara Ferdinantovna, Yakupov Radik Albertovich, Chelyshev Yuri Aleksandrovich, Lavrov Igor Aleksandrovich
Currently, in clinical practice there is no efficient way to overcome the sequences of neurodegeneration after spinal cord traumatic injury. Using a new experimental model of spinal cord contusion injury on miniature pigs, we proposed to deliver therapeutic genes encoding vascular endothelial growth factor (VEGF), glial cell line-derived neurotrophic factor (GDNF) and neural cell adhesion molecule (NCAM) to the damaged area, using umbilical cord blood mononuclear cells (UCBC). In this study, genetically engineered UCBC (2×10(6) cells in 200 ml of saline) were injected intrathecally to mini-pigs 10days after SCI...
February 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28212662/marked-central-nervous-system-pathology-in-cd59-knockout-rats-following-passive-transfer-of-neuromyelitis-optica-immunoglobulin-g
#6
Xiaoming Yao, Alan S Verkman
Neuromyelitis optica spectrum disorders (herein called NMO) is an inflammatory demyelinating disease of the central nervous system in which pathogenesis involves complement-dependent cytotoxicity (CDC) produced by immunoglobulin G autoantibodies targeting aquaporin-4 (AQP4-IgG) on astrocytes. We reported evidence previously, using CD59(-/-) mice, that the membrane-associated complement inhibitor CD59 modulates CDC in NMO (Zhang and Verkman, J. Autoimmun. 53:67-77, 2014). Motivated by the observation that rats, unlike mice, have human-like complement activity, here we generated CD59(-/-) rats to investigate the role of CD59 in NMO and to create NMO pathology by passive transfer of AQP4-IgG under conditions in which minimal pathology is produced in normal rats...
February 17, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28211825/multiple-mediation-path-model-of-pain-s-cascading-influence-on-physical-disability-in%C3%A2-individuals-with-sci-from-colombia-south-america
#7
Paul B Perrin, Alejandra Morlett Paredes, Silvia Leonor Olivera, Juan Esteban Lozano, Wendy Tatiana Leal, Usman F Ahmad, Juan Carlos Arango-Lasprilla
BACKGROUND: Research has begun to document the bivariate connections between pain in individuals with spinal cord injury (SCI) and various aspects of health related quality of life (HRQOL), such as fatigue, social functioning, mental health, and physical functioning. OBJECTIVE: The purpose of this study was to construct and test a theoretical path model illuminating the stage-wise and sequential (cascading) HRQOL pathways through which pain increases physical disability in individuals with SCI in a sample from Colombia, South America...
February 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28210902/deletion-of-mammalian-sterile-20-like-kinase-1-attenuates-neuronal-loss-and-improves-locomotor-function-in-a-mouse-model-of-spinal-cord-trauma
#8
Pan-Feng Wang, Da-Yuan Xu, Yuntong Zhang, Xiao-Bin Liu, Yan Xia, Pan-Yu Zhou, Qing-Ge Fu, Shuo-Gui Xu
Neuronal cell death following spinal cord injury (SCI) is an important contributor to neurological deficits. The purpose of our work was to delineate the function of mammalian sterile 20-like kinase 1 (Mst1), a pro-apoptotic kinase and key mediator of apoptotic signaling, in the pathogenesis of an experimental mouse model of SCI. Male mice received a mid-thoracic spinal contusion injury, and it was found that phosphorylation of Mst1 at the injured site was enhanced significantly following SCI. Furthermore, when compared to the wild-type controls, Mst1-deficient mice displayed improved locomotor function by increased Basso mouse scale score...
February 16, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28210528/atraumatic-spinal-cord-injury-in-the-novice-surfer-a-comprehensive-review-and-update
#9
Christian Swinney, David Flick, Moses Cheng
Novice surfers are at risk for a rare but potentially devastating form of atraumatic myelopathy. There are 16 published studies on this condition, including 66 cases. The most common suggested mechanism of injury is static hyperextension. However, active mechanisms, in contrast to static, have also been proposed and may be contributory. First time surfers, defined as those who have never been on a surfboard prior to the day of injury, are at particular risk. These individuals make up 89.5%-100% of the reported novice surfers found in the various reports...
February 2017: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/28210068/use-of-an-arm-weight-bearing-combined-with-upper-limb-reaching-apparatus-to-facilitate-motor-paralysis-recovery-in-an-incomplete-spinal-cord-injury-patient-a-single-case-report
#10
Takashi Hoei, Kazumi Kawahira, Hidefumi Fukuda, Keizo Sihgenobu, Megumi Shimodozono, Tadashi Ogura
[Purpose] Training using an arm weight-bearing device combined with upper-limb reaching apparatus to facilitate motor paralysis recovery, named the "Reaching Robot", as well as Repetitive Facilitation Exercise were applied to a patient with severe impairment of the shoulder and elbow due to incomplete spinal cord injury and the effects were examined. [Subjects and Methods] A 66-year-old man with incomplete spinal cord injury participated in an upper extremity rehabilitation program involving a Reaching Robot...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209578/intraforaminal-location-of-thoracolumbar-radicular-arteries-providing-an-anterior-radiculomedullary-artery-using-flat-panel-catheter-angiotomography
#11
L Gregg, D E Sorte, P Gailloud
BACKGROUND AND PURPOSE: Flat panel catheter angiotomography performed during the selective injection of intersegmental arteries offers a multiplanar assessment of the intraforaminal course of the radicular arteries providing an anterior radiculomedullary artery. Injury of anterior radiculomedullary arteries during transforaminal epidural steroid injections can result in spinal cord damage. Evaluations of the intraforaminal location of these arteries have so far been limited to anteroposterior views or the examination of cadaveric material...
February 16, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28209424/changes-in-sympathetic-neurovascular-function-following-spinal-cord-injury
#12
Hussain Al Dera, James A Brock
The effects of spinal cord injury (SCI) on sympathetic neurovascular transmission have generally been ignored. This review describes changes in sympathetic nerve-mediated activation of arterial vessels to which ongoing sympathetic activity has been reduced or silenced following spinal cord transection in rats. In all vessels studied in rats, SCI markedly enhanced their contractile responses to nerve activity. However, the mechanisms that augment neurovascular transmission differ between the rat tail artery and mesenteric artery...
February 11, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28209307/indications-and-complications-of-crown-halo-vest-placement-a-review
#13
REVIEW
Dennis Lee, Adeola L Adeoye, Nader S Dahdaleh
Crown halo vest placement remains an option for the treatment of a variety of upper and subaxial cervical spinal fractures. While the device remains a useful non-operative option for the treatment of these injuries, it has been associated with a variety of complications. This manuscript represents an up to date narrative review of the indications, complications, and complication avoidance for the placement of crown halo vests.
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28208696/valproate-attenuates-endoplasmic-reticulum-stress-induced-apoptosis-in-sh-sy5y-cells-via-the-akt-gsk3%C3%AE-signaling-pathway
#14
Zhengmao Li, Fenzan Wu, Xie Zhang, Yi Chai, Daqing Chen, Yuetao Yang, Kebin Xu, Jiayu Yin, Rui Li, Hongxue Shi, Zhouguang Wang, Xiaokun Li, Jian Xiao, Hongyu Zhang
Endoplasmic reticulum (ER) stress-induced apoptosis plays an important role in a range of neurological disorders, such as neurodegenerative diseases, spinal cord injury, and diabetic neuropathy. Valproate (VPA), a typical antiepileptic drug, is commonly used in the treatment of bipolar disorder and epilepsy. Recently, VPA has been reported to exert neurotrophic effects and promote neurite outgrowth, but its molecular mechanism is still unclear. In the present study, we investigated whether VPA inhibited ER stress and promoted neuroprotection and neuronal restoration in SH-SY5Y cells and in primary rat cortical neurons, respectively, upon exposure to thapsigargin (TG)...
February 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208601/surgical-neurostimulation-for-spinal-cord-injury
#15
REVIEW
Aswin Chari, Ian D Hentall, Marios C Papadopoulos, Erlick A C Pereira
Traumatic spinal cord injury (SCI) is a devastating neurological condition characterized by a constellation of symptoms including paralysis, paraesthesia, pain, cardiovascular, bladder, bowel and sexual dysfunction. Current treatment for SCI involves acute resuscitation, aggressive rehabilitation and symptomatic treatment for complications. Despite the progress in scientific understanding, regenerative therapies are lacking. In this review, we outline the current state and future potential of invasive and non-invasive neuromodulation strategies including deep brain stimulation (DBS), spinal cord stimulation (SCS), motor cortex stimulation (MCS), transcutaneous direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS) in the context of SCI...
February 10, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28207618/magnetic-resonance-imaging-evaluation-of-the-effects-of-surgical-invasiveness-on-paravertebral-muscles-after-muscle-preserving-interlaminar-decompression-mild
#16
Hitoshi Tonomura, Yoichiro Hatta, Yasuo Mikami, Takumi Ikeda, Tomohisa Harada, Masateru Nagae, Hironori Koike, Hitoshi Hase, Toshikazu Kubo
STUDY DESIGN: This is a retrospective study. OBJECTIVES: The aim of this study was to determine the extent of damage to the paravertebral muscles after muscle-preserving interlaminar decompression (MILD) using magnetic resonance imaging to evaluate changes in the multifidus muscle (MF). SUMMARY OF BACKGROUND DATA: Short-term surgical outcomes of MILD for lumbar spinal canal stenosis (LSCS) are satisfactory; however, the extent of damage to the paravertebral muscles after MILD remains unclear...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28207570/international-survey-of-critically-ill-children-with-acute-neurologic-insults-the-prevalence-of-acute-critical-neurological-disease-in-children-a-global-epidemiological-assessment-study
#17
Ericka L Fink, Patrick M Kochanek, Robert C Tasker, John Beca, Michael J Bell, Robert S B Clark, Jamie Hutchison, Monica S Vavilala, Anthony Fabio, Derek C Angus, R Scott Watson
OBJECTIVE: The international scope of critical neurologic insults in children is unknown. Our objective was to assess the prevalence and outcomes of children admitted to PICUs with acute neurologic insults. DESIGN: Prospective study. SETTING: Multicenter (n = 107 PICUs) and multinational (23 countries, 79% in North America and Europe). PATIENTS: Children 7 days to 17 years old admitted to the ICU with new traumatic brain injury, stroke, cardiac arrest, CNS infection or inflammation, status epilepticus, spinal cord injury, hydrocephalus, or brain mass...
February 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28204825/morroniside-protects-sk-n-sh-human-neuroblastoma-cells-against-h2o2-induced-damage
#18
Jing-Xing Zhang, Rui Wang, Jin Xi, Lin Shen, An-You Zhu, Qi Qi, Qi-Yi Wang, Lun-Jun Zhang, Feng-Chao Wang, He-Zuo Lü, Jian-Guo Hu
Oxidative stress-induced cell injury has been linked to the pathogenesis of neurodegenerative disorders such as spinal cord injury, Parkinson's disease, and multiple sclerosis. Morroniside is an antioxidant derived from the Chinese herb Shan-Zhu-Yu. The present study investigated the neuroprotective effect of morroniside against hydrogen peroxide (H2O2)-induced cell death in SK-N-SH human neuroblastoma cells. H2O2 increased cell apoptosis, as determined by flow cytometry and Hoechst 33342 staining. This effect was reversed by pretreatment with morroniside at concentrations of 1-100 µM...
February 8, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28203046/neuroinflammation-as-fuel-for-axonal-regeneration-in-the-injured-vertebrate-central-nervous-system
#19
REVIEW
Ilse Bollaerts, Jessie Van Houcke, Lien Andries, Lies De Groef, Lieve Moons
Damage to the central nervous system (CNS) is one of the leading causes of morbidity and mortality in elderly, as repair after lesions or neurodegenerative disease usually fails because of the limited capacity of CNS regeneration. The causes underlying this limited regenerative potential are multifactorial, but one critical aspect is neuroinflammation. Although classically considered as harmful, it is now becoming increasingly clear that inflammation can also promote regeneration, if the appropriate context is provided...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28201982/transcriptome-profile-of-rat-genes-in-injured-spinal-cord-at-different-stages-by-rna-sequencing
#20
Ling-Ling Shi, Nan Zhang, Xiu-Mei Xie, Yue-Juan Chen, Rui Wang, Lin Shen, Jian-Sheng Zhou, Jian-Guo Hu, He-Zuo Lü
BACKGROUND: Spinal cord injury (SCI) results in fatal damage and currently has no effective treatment. The pathological mechanisms of SCI remain unclear. In this study, genome-wide transcriptional profiling of spinal cord samples from injured rats at different time points after SCI was performed by RNA-Sequencing (RNA-Seq). The transcriptomes were systematically characterized to identify the critical genes and pathways that are involved in SCI pathology. RESULTS: RNA-Seq results were obtained from total RNA harvested from the spinal cords of sham control rats and rats in the acute, subacute, and chronic phases of SCI (1 day, 6 days and 28 days after injury, respectively; n = 3 in every group)...
February 15, 2017: BMC Genomics
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