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https://www.readbyqxmd.com/read/29143997/epidermal-neural-crest-stem-cell-derived-glia-enhance-neurotrophic-elements-in-an-ex-vivo-model-of-spinal-cord-injury
#1
Sareh Pandamooz, Mohammad Saied Salehi, Mohammad Ismail Zibaii, Abolhassan Ahmadiani, Mohammad Nabiuni, Leila Dargahi
Growing evidence that cell-based therapies can improve recovery outcome in spinal cord injury (SCI) models substantiates their application for treatment of human with SCI. To address the effectiveness of these stem cells, potential candidates should be evaluated in proper SCI platform that allows direct real-time monitoring. In this study, the role of epidermal neural crest stem cells (EPI-NCSCs) was elucidated in an ex vivo model of SCI and valproic acid (VPA) was administered to ameliorate the inhospitable context of injury for grafted EPI-NCSCs...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29133210/high-speed-flow-cytometry-allows-the-detection-of-circulating-endothelial-cells-in-hemangioblastoma-patients
#2
Sara De Biasi, Lara Gibellini, Alberto Feletti, Giacomo Pavesi, Elena Bianchini, Domenico Lo Tartaro, Simone Pecorini, Anna De Gaetano, Rosalberta Pullano, Milena Nasi, Marcello Pinti, Andrea Cossarizza
Circulating endothelial cells (CECs) detach from the intima monolayer after endothelial damages. Their circulating endothelial progenitors (CEPs) represent less than 0.01% of nucleated blood cells. Increased levels of CECs and CEPs have been detected in patients with several types of cancer, suggesting that they could be a useful blood-based marker for detecting a tumor, or for monitoring its clinical course. However, their routine monitoring is time consuming and technically challenging. Here, we present a flow cytometry method for quantifying such cells in a cohort of patients with hemangioblastoma (HB)...
November 10, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29125969/psychiatric-comorbidities-and-suicidality-among-patients-with-neuromyelitis-optica-spectrum-disorders-in-argentina
#3
V C Fernández, N Alonso, L Melamud, A M Villa
BACKGROUND: Neuromyelitis optica is a relapsing inflammatory, secondarily demyelinating astrocytopathy that most commonly affects the optic nerves and the spinal cord. OBJECTIVE: This study aimed to evaluate the psychopathological profile, presence of current depression, and suicidality in patients with neuromyelitis optica spectrum disorders (NMOSD) in an Argentinean cohort, and compare these parameters to those in patients with multiple sclerosis (MS) and in healthy controls (HCs)...
November 7, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29125035/cone-beam-computed-tomography-cbct-for-adaptive-image-guided-head-and-neck-radiation-therapy
#4
Christian A Hvid, Ulrik V Elstrøm, Kenneth Jensen, Cai Grau
BACKGROUND: Adaptive (ART) and image guided radiation therapy (IGRT) can improve target coverage and reduce unnecessary irradiation of organs at risk (OAR). The purpose of this study is to report the results of using mid-course imaging and a novel workflow with cone-beam computed tomography (CBCT) surveillance of dose to OAR to trigger adaptive replanning in head and neck radiotherapy. MATERIAL AND METHODS: Impact of radiation therapist (RTT) managed match protocol and mid-course imaging was assessed in two cohorts of consecutive patients receiving RT to the head and neck region, using computed tomography (CT) and CBCT-based dose verification respectively...
November 10, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29122760/spinal-cord-gray-matter-atrophy-in-amyotrophic-lateral-sclerosis
#5
M-Ê Paquin, M M El Mendili, C Gros, S M Dupont, J Cohen-Adad, P-F Pradat
BACKGROUND AND PURPOSE: There is an emerging need for biomarkers to better categorize clinical phenotypes and predict progression in amyotrophic lateral sclerosis. This study aimed to quantify cervical spinal gray matter atrophy in amyotrophic lateral sclerosis and investigate its association with clinical disability at baseline and after 1 year. MATERIALS AND METHODS: Twenty-nine patients with amyotrophic lateral sclerosis and 22 healthy controls were scanned with 3T MR imaging...
November 9, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29114283/a-method-for-reconstruction-of-severely-damaged-spinal-cord-using-autologous-hematopoietic-stem-cells-and-platelet-rich-protein-as-a-biological-scaffold
#6
Ahmed Sabry Ammar, Yasser Osman, Ahmed Taher Hendam, Mohammed Ahmed Hasen, Fatma Abdullah Al Rubaish, Danya Yaagoub Al Nujaidi, Faisal Mishal Al Abbas
Introduction: There have been attempts to alter the prognosis of severe spinal cord injury in different centers, but none of which have reliably altered the outcome. Some trials use stem cells (SCs) that produced widely differing results. We hereby add our experience in our center of a surgical reconstruction of the damaged spinal cord using a mixture of SCs and Platelet-Rich Protein (PRP) with fibrin coated as a biological scaffold. Materials and Methods: Four cases of severely damaged spinal cord have been operated for neurolysis and reconstruction of the spinal cord using SCs and platelet-rich protein (PRP) with fibrin coated harvested from the peripheral circulation of the patient...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29110926/study-for-reducing-lung-dose-of-upper-thoracic-esophageal-cancer-radiotherapy-by-auto-planning-volumetric-modulated-arc-therapy-vs-intensity-modulated-radiation-therapy
#7
Hua Chen, Hao Wang, Hengle Gu, Yan Shao, Xuwei Cai, Xiaolong Fu, Zhiyong Xu
This study aimed to investigate the dosimetric differences and lung sparing between volumetric-modulated arc therapy (VMAT) and intensity-modulated radiation therapy (IMRT) in the treatment of upper thoracic esophageal cancer with T3N0M0 for preoperative radiotherapy by auto-planning (AP). Sixteen patient cases diagnosed with upper thoracic esophageal cancer T3N0M0 for preoperative radiotherapy were retrospectively studied, and 3 plans were generated for each patient: full arc VMAT AP plan with double arcs, partial arc VMAT AP plan with 6 partial arcs, and conventional IMRT AP plan...
October 27, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/29107209/phkv-a-toxin-isolated-from-the-spider-venom-induces-antinociception-by-inhibition-of-cholinesterase-activating-cholinergic-system
#8
Flavia Karine Rigo, Mateus Fortes Rossato, Gabriela Trevisan, Samira Dal-Toé De Prá, Rafael Porto Ineu, Mariane Bernardo Duarte, Célio José de Castro Junior, Juliano Ferreira, Marcus Vinicius Gomez
BACKGROUND AND AIMS: Cholinergic agents cause antinociception by mimicking the release of acetylcholine (ACh) from spinal cholinergic nerves. PhKv is a peptide isolated from the venom of the armed spider Phoneutria nigriventer. It has an antiarrythmogenic activity that involves the enhanced release of acetylcholine. The aim of this study was to investigate whether PhKv had an antinociceptive action in mice. METHODS: Male albino Swiss mice (25-35g) were used in this study...
October 26, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29101613/retained-medullary-cord-extending-to-a-sacral-subcutaneous-meningocele
#9
Nobuya Murakami, Takato Morioka, Takafumi Shimogawa, Kimiaki Hashiguchi, Nobutaka Mukae, Kazuyoshi Uchihashi, Satoshi O Suzuki, Koji Iihara
BACKGROUND: A retained medullary cord (RMC) is a rare closed spinal dysraphism with a robust elongated neural structure continuous from the conus and extending to the dural cul-de-sac. One case extending down to the base of a subcutaneous meningocele at the sacral level has been reported. CLINICAL PRESENTATION: We report on three cases of closed spinal dysraphism, in which a spinal cord-like tethering structure extended out from the dural cul-de-sac and terminated at a skin-covered meningocele sac in the sacrococcygeal region, which was well delineated in curvilinear coronal reconstructed images of 3D-heavily T2-weighted images (3D-hT2WI)...
November 3, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29100167/early-identification-and-intervention-matters-a-comprehensive-review-of-current-evidence-and-recommendations-for-the-monitoring-of-bone-health-in-patients-with-cancer
#10
REVIEW
Thomas Brodowicz, Peyman Hadji, Daniela Niepel, Ingo Diel
Bone metastases are common in patients with advanced solid tumors, and many individuals experience debilitating skeletal-related events (SREs; e.g. pathologic fracture, hypercalcemia, radiotherapy or surgery to bone, and spinal cord compression). These events substantially affect disease outcomes, including survival and quality of life, and healthcare systems. Plain radiography is the most widely used imaging modality for the detection of bone metastases; skeletal scintigraphy, computed tomography, positron emission tomography and magnetic resonance imaging offer greater sensitivity but their use in routine practice is restricted by high costs and limited availability...
October 18, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29095692/long-term-recording-of-electromyographic-activity-from-multiple-muscles-to-monitor-physical-activity-of-participants-with-or-without-a-neurological-disorder
#11
Katie Gant, Jorge Bohorquez, Christine K Thomas
Various portable monitors have been used to quantify physical activity but most rely on detecting limb movement with a sensor rather than measuring muscle activity. Our first goal was to design and validate a portable system for recording surface electromyographic activity (EMG) from eight muscles over 24 h. The modular system includes: (1) preamplifiers that filter and amplify signals; (2) a preprocessor unit for further filtering and amplification, signal offset and power supply modification; (3) a data-logger for analog-to-digital conversion; a flash memory card for data storage and (4) a rechargeable battery...
November 2, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/29074466/neuroprotective-assessment-of-prolonged-local-hypothermia-post-contusive-spinal-cord-injury-in-rodent-model
#12
Daniel Teh Boon Loong, Soo Min Chua, Ankshita Prasad, Ioannis Kakkos, Wenxuan Jiang, Yue Mu, Xiaogang Liu, Angelo Homayoun All
BACKGROUND CONTEXT: While general hypothermia is recognised as a clinically applicable neuroprotective intervention, acute moderate local hypothermia post-contusive Spinal Cord Injury (SCI) is being considered a more effective approach. Previously, we have investigated the feasibility and safety of inducing prolonged local hypothermia in the Central Nervous System of rodent model. PURPOSE: Here, we aimed to verify the efficacy and neuroprotective effects of 5 and 8 hours local moderate hypothermia (30±0...
October 23, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29057179/chiari-i-malformation-and-spinal-cord-ischemia-in-a-cadaver
#13
Faizullah Mashriqi, Marios Loukas, Rod J Oskouian, Anthony V D'Antoni, R Shane Tubbs
With advanced imaging, the Chiari I malformation (CIM) is more frequently diagnosed than in the past when this entity was identified most commonly at autopsy. Herein, we report the rare case of an adult cadaver found not only to have CIM but also adjacent spinal cord ischemia. This case is discussed in the context of chronic compression of the spinal cord by a CIM and the need for close monitoring of these patients.
August 15, 2017: Curēus
https://www.readbyqxmd.com/read/29051850/functional-recovery-of-contused-spinal-cord-in-rat-with-the-injection-of-optimal-dosed-cerium-oxide-nanoparticles
#14
Jong-Wan Kim, Chinmaya Mahapatra, Jin-Young Hong, Min Soo Kim, Kam W Leong, Hae-Won Kim, Jung Keun Hyun
Spinal cord injury (SCI) produces excess reactive oxygen species (ROS) that can exacerbate secondary injury and lead to permanent functional impairment. Hypothesizing that cerium oxide nanoparticles (CONPs) as an effective ROS scavenger may offset this damaging effect, it is first demonstrated in vitro that CONPs suppressed inducible nitric oxide synthase (iNOS) generation and enhanced cell viability of hydrogen peroxide (H2O2)-insulted cortical neurons. Next, CONPs are administered at various does (50-4000 µg mL(-1)) to a contused spinal cord rat model and monitored the disease progression for up to eight weeks...
October 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/29045967/-early-surgical-treatment-of-multi-segmet-intramedullary-cervical-spinal-cord-ependymoma
#15
C C Ma, G Z Lin, Z Y Wang
OBJECTIVE: To investigate the early clinical treatment and prognosis of multi-segment intramedullary cervical ependymoma. METHODS: Twenty patients with multi-segment (more than 3 segments) intramedullary spinal ependymoma (McCormic grade I) were microsurgically treated with assistance of intraoperative neuroelectrophysiological monitoring. None of them received postoperative radiotherapy. Preoperatively all the patients underwent MRI examination and their neurologically function was assessed by McCormic classification method...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29039733/near-infrared-fluorescent-protein-irfp720-is-optimal-for-in-vivo-fluorescence-imaging-of-rabies-virus-infection
#16
Minori Isomura, Kentaro Yamada, Kazuko Noguchi, Akira Nishizono
In vivo imaging is a noninvasive method that enables real-time monitoring of viral infection dynamics in a small animal, which allows a better understanding of viral pathogenesis. In vivo bioluminescence imaging of virus infection is widely used but, despite its advantage over bioluminescence that no substrate administration is required, fluorescence imaging is not used because of severe autofluorescence. Recently, several far-red and near-infrared (NIR) fluorescent proteins (FPs) have been developed and shown to be useful for whole-body fluorescence imaging...
October 17, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/29030096/medical-safety-huddles-in-rehabilitation-a-novel-patient-safety-strategy
#17
Meiqi Guo, Gaetan Tardif, Mark Bayley
OBJECTIVE: To describe the implementation process, outcomes, and lessons learned in the implementation of medical safety huddles, a novel patient safety monitoring strategy that promotes physician engagement with patient safety. DESIGN: Single-centre observational study. SETTING: The Brain and Spinal Cord Injury Rehabilitation Program (BSCIRP) at an urban, academic adult rehabilitation hospital. PARTICIPANTS: 18 physicians associated with the program...
October 10, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29029325/guidelines-for-the-use-of-electrophysiological-monitoring-for-surgery-of-the-human-spinal-column-and-spinal-cord
#18
Mark N Hadley, Christopher D Shank, Curtis J Rozzelle, Beverly C Walters
No abstract text is available yet for this article.
November 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29021917/a-feasibility-pilot-using-telehealth-videoconference-monitoring-of-home-based-nmes-resistance-training-in-persons-with-spinal-cord-injury
#19
Ashraf S Gorgey, Robert M Lester, Rodney C Wade, Refka E Khalil, Rehan K Khan, Melodie L Anderson, Teodoro Castillo
INTRODUCTION: The objective of the study was to investigate the feasibility and initial efficacy of telehealth communication in conjunction with surface neuromuscular electrical stimulation (NMES) resistance training (RT) to induce muscle hypertrophy. MATERIALS AND METHODS: This was a home-based setting of within-subject control design of trained vs controlled limbs. Five men with chronic (>1 year postinjury) motor-complete spinal cord injury (SCI) participated in a twice-weekly telehealth videoconference program using home-based NMES-RT for 8 weeks...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29019146/spinal-cord-injury-after-thoracic-endovascular-aortic-aneurysm-repair
#20
Hamdy Awad, Mohamed Ehab Ramadan, Hosam F El Sayed, Daniel A Tolpin, Esmerina Tili, Charles D Collard
PURPOSE: Thoracic endovascular aortic aneurysm repair (TEVAR) has become a mainstay of therapy for aneurysms and other disorders of the thoracic aorta. The purpose of this narrative review article is to summarize the current literature on the risk factors for and pathophysiology of spinal cord injury (SCI) following TEVAR, and to discuss various intraoperative monitoring and treatment strategies. SOURCE: The articles considered in this review were identified through PubMed using the following search terms: thoracic aortic aneurysm, TEVAR, paralysis+TEVAR, risk factors+TEVAR, spinal cord ischemia+TEVAR, neuromonitoring+thoracic aortic aneurysm, spinal drain, cerebrospinal fluid drainage, treatment of spinal cord ischemia...
December 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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