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https://www.readbyqxmd.com/read/29151236/tauroursodeoxycholic-acid-alleviates-secondary-injury-in-the-spinal-cord-via-up-regulation-of-cibz-gene
#1
Zongmeng Zhang, Jie Chen, Fanghui Chen, Daolun Yu, Rui Li, Chenglong Lv, Haosen Wang, Honglin Li, Jun Li, Yafei Cai
Spinal cord injury (SCI) is generally divided into primary and secondary injuries, and apoptosis is an important event of the secondary injury. As an endogenous bile acid and recognized endoplasmic reticulum (ER) stress inhibitor, tauroursodeoxycholic acid (TUDCA) administration has been reported to have a potentially therapeutic effect on neurodegenerative diseases, but its real mechanism is still unclear. In this study, we evaluated whether TUDCA could alleviate traumatic damage of the spinal cord and improve locomotion function in a mouse model of SCI...
November 18, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/29150995/efficacy-and-safety-of-extracranial-vein-angioplasty-in-multiple-sclerosis-a-randomized-clinical-trial
#2
Paolo Zamboni, Luigi Tesio, Stefania Galimberti, Luca Massacesi, Fabrizio Salvi, Roberto D'Alessandro, Patrizia Cenni, Roberto Galeotti, Donato Papini, Roberto D'Amico, Silvana Simi, Maria Grazia Valsecchi, Graziella Filippini
Importance: Chronic cerebrospinal venous insufficiency (CCSVI) is characterized by restricted venous outflow from the brain and spinal cord. Whether this condition is associated with multiple sclerosis (MS) and whether venous percutaneous transluminal angioplasty (PTA) is beneficial in persons with MS and CCSVI is controversial. Objective: To determine the efficacy and safety of venous PTA in patients with MS and CCSVI. Design, Setting, and Participants: We analyzed 177 patients with relapsing-remitting MS; 62 were ineligible, including 47 (26...
November 18, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29150987/therapeutic-effect-of-curcumin-and-methylprednisolone-in-the-rat-spinal-cord-injury
#3
Xuehong Liu, Yong Zhang, Yang Yang, Jingquan Lin, Xue Huo, Xiaoxue Du, Benson O A Botchway, Marong Fang
In addition to imperiling an individual's daily life, spinal cord injury (SCI), a catastrophic medical damage, can permanently impair an individual's body function. Methylprednisolone (MP), a medically accepted therapeutic drug for SCI, is highly controversial for the lack of consensus on its true therapeutic effect. In recent years, curcumin has served as a potential and novel therapeutic drug in SCI. Our study was intended to investigate the precise effect of MP and curcumin in SCI. We examined the function of MP and curcumin in a SCI model rat, both in vivo and in vitro, and found that there was a momentous improvement in Basso-Beattie-Bresnahan (BBB) scores in the MP-treated group when compared to Cur-treated group within 14 days...
November 18, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29150977/the-cellular-composition-and-glia-neuron-ratio-in-the-spinal-cord-of-a-human-and-a-non-human-primate-comparison-with-other-species-and-brain-regions
#4
Jami Bahney, Christopher S von Bartheld
The cellular composition of brains shows largely conserved, gradual evolutionary trends between species. In the primate spinal cord, however, the glia-neuron ratio was reported to be greatly increased over that in the rodent spinal cord. Here, we re-examined the cellular composition of the spinal cord of one human and one non-human primate species by employing two different counting methods, the isotropic fractionator and stereology. We also determined whether segmental differences in cellular composition, possibly reflecting increased fine motor control of the upper extremities, may explain a sharply increased glia-neuron ratio in primates...
November 18, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29150958/inhibition-of-mir-200b-mir-429-contributes-to-neuropathic-pain-development-through-targeting-zinc-finger-e-box-binding-protein-1
#5
Xue-Tao Yan, Ying Zhao, Xiao-Li Cheng, Xiang-Hu He, Yu Wang, Wen-Zhong Zheng, Hu Chen, Yan-Lin Wang
Many studies have reported that microRNAs participate in neuropathic pain development. Previously, miR-200b and miR-429 are reported to be involved in various diseases. In our current study, we focused on their roles in neuropathic pain and we found that miR-200b and miR-429 were significantly decreased in chronic constriction injury (CCI) rat spinal cords and isolated microglials. miR-200b and miR-429 overexpression were able to relieve neuropathic pain through modulating PWT and PWL in CCI rats. Meanwhile, we observed that both miR-200b and miR-429 upregulation could repress neuroinflammation via inhibiting inflammatory cytokines such as IL-6, IL-1β and TNF-α in CCI rats...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150951/inflammasome-its-role-in-traumatic-brain-and-spinal-cord-injury
#6
REVIEW
Keywan Mortezaee, Neda Khanlarkhani, Cordian Beyer, Adib Zendedel
Traumatic brain injury (TBI) and spinal cord injury (SCI) are pathological events that lead to neuropathological conditions which have in consequence the initiation of pro-inflammatory cytokine production. Neuroinflammation plays a key role in the secondary phase of both TBI and SCI after initial cell death. Activation of cytoplasmic inflammasome complexes is regarded as the essential step of neuroinflammation and a key trigger for neuronal death called pyroptosis. Inflammasome complexes are involved in activation of caspase-1 which catalyzes the cleavage of pro-interleukins into their active forms (including interleukin-18 (IL-18) and IL-1β)...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150945/development-of-an-in-vivo-mouse-model-of-discogenic-low-back-pain
#7
Changgui Shi, Vaskar Das, Xin Li, Ranjan Kc, Sujun Qiu, InSug O-Sullivan, Richard L Ripper, Jeffrey S Kroin, Fackson Mwale, Atiyayein A Wallace, Bingqian Zhu, Lan Zhao, Andre J van Wijnen, Mingliang Ji, Jun Lu, Gina Votta-Velis, Wen Yuan, Hee-Jeong Im
Discogenic Low back pain (DLBP) is extremely common and costly. Effective treatments are lacking due to DLBP's unknown pathogenesis. Currently, there are no in vivo mouse models of DLBP, which restricts research in this field. The aim of this study was to establish a reliable DLBP model in mouse that captures the pathological changes in the disc and allows longitudinal pain testing. The model was generated by puncturing the mouse lumbar discs (L4/5, L5/6, and L6/S1) and removing the nucleus pulposus using a microscalpel under the microscope...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150766/spinobot-an-mri-guided-needle-positioning-system-for-spinal-cellular-therapeutics
#8
Alexander Squires, John N Oshinski, Nicholas M Boulis, Zion Tsz Ho Tse
The neurodegenerative disease amyotrophic lateral sclerosis (ALS) results in the death of motor neurons in voluntary muscles. There are no cures for ALS and few available treatments. In studies with small animal models, injection of cellular therapeutics into the anterior horn of the spinal cord has been shown to inhibit the progression of ALS. It was hypothesized that spinal injection could be made faster and less invasive with the aid of a robot. The robotic system presented-SpinoBot-uses MRI guidance to position a needle for percutaneous injection into the spinal cord...
November 17, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29150727/measuring-emotional-intelligence-enhances-the-psychological-evaluation-of-chronic-pain
#9
Eva M Doherty, Rosemary Walsh, Leanne Andrews, Susan McPherson
The assessment of emotional factors, in addition to other psychosocial factors, has been recommended as a means of identifying individuals with chronic pain who may not respond to certain pain treatments. Systematic reviews of the evidence regarding the prediction of responsiveness to a treatment called the spinal cord stimulator (SCS) have yielded inconclusive results. Emotional intelligence is a term which refers to the ability to identify and manage emotions in oneself and others and has been shown to be inversely associated with emotional distress and acute pain...
November 17, 2017: Journal of Clinical Psychology in Medical Settings
https://www.readbyqxmd.com/read/29150193/descriptive-epidemiology-of-traumatic-spinal-injury-in-japan
#10
Mahammad Abbas Tafida, Yukiko Wagatsuma, Enbo Ma, Taro Mizutani, Toshikazu Abe
BACKGROUND: Spine injury epidemiology in Japan has not been studied since the 1990s when its incidence was 39.4-40.2 per million and the major cause of injury was motor vehicle crashes. We elucidate the current epidemiological state of spinal injury and spinal injury patients in Japan for the clinicians and public health prevention programs. METHODS: Spine injury patients were retrospectively selected from the Japan Trauma Data Bank (JTDB) from 2004 to 2013 for all ages and all spinal injuries...
November 14, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29149801/response-to-phillips-et-al-an-autonomic-neuroprosthesis-non-invasive-electrical-spinal-cord-stimulation-restores-autonomic-cardiovascular-function-in-individuals-with-spinal-cord-injury
#11
https://www.readbyqxmd.com/read/29149775/lentiviral-vectors-and-adeno-associated-virus-vectors-useful-tools-for-gene-transfer-in-pain-research
#12
REVIEW
Zheng Chen-Xi, Wang Sheng-Ming, Bai Yun-Hu, Luo Ting-Ting, Wang Jia-Qi, Dai Chun-Qiu, Guo Bao-Lin, Luo Shi-Cheng, Wang Dong-Hui, Yang Yan-Ling, Wang Ya-Yun
Pain, especially chronic pain, has always been a heated point in both basic and clinical researches since it puts heavy burdens on both individuals and the whole society. A better understanding of the role of biological molecules and various ionic channels involved in pain can shed light on the mechanism under pain and advocate the development of pain management. Using viral vectors to transfer specific genes at targeted sites is a promising method for both research and clinical applications. Lentiviral vectors and adeno-associated virus (AAV) vectors which allow stable and long-term expression of transgene in non-dividing cells are widely applied in pain research...
November 17, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29149236/mutations-affecting-glycinergic-neurotransmission-in-hyperekplexia-increase-pain-sensitivity
#13
Pascal Henri Vuilleumier, Raphael Fritsche, Jürg Schliessbach, Bernhard Schmitt, Lars Arendt-Nielsen, Hanns Ulrich Zeilhofer, Michele Curatolo
Inhibitory interneurons in the spinal cord use glycine and GABA for fast inhibitory neurotransmission. While there is abundant research on these inhibitory pain pathways in animal models, their relevance in humans remains unclear, largely due to the limited possibility to manipulate selectively these pathways in humans. Hyperekplexia is a rare human disease that is caused by loss-of-function mutations in genes encoding for glycine receptors and glycine transporters. In the present study, we tested whether hyperekplexia patients display altered pain perception or central pain modulation compared with healthy subjects...
November 15, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29149212/mycolactone-displays-anti-inflammatory-effects-on-the-nervous-system
#14
Caroline Isaac, Annie Mauborgne, Alfonso Grimaldi, Kemy Ade, Michel Pohl, Cristina Limatola, Yves Boucher, Caroline Demangel, Laure Guenin-Macé
BACKGROUND: Mycolactone is a macrolide produced by the skin pathogen Mycobacterium ulcerans, with cytotoxic, analgesic and immunomodulatory properties. The latter were recently shown to result from mycolactone blocking the Sec61-dependent production of pro-inflammatory mediators by immune cells. Here we investigated whether mycolactone similarly affects the inflammatory responses of the nervous cell subsets involved in pain perception, transmission and maintenance. We also investigated the effects of mycolactone on the neuroinflammation that is associated with chronic pain in vivo...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29149152/loss-of-efficacy-to-spinal-cord-stimulator-therapy-clinical-evidence-and-possible-causes
#15
Christopher M Aiudi, Roger Y Dunn, Sara M Burns, Sarah A Roth, Arissa Opalacz, Yi Zhang, Lucy Chen, Jianren Mao, Shihab U Ahmed
BACKGROUND: Although spinal cord stimulation (SCS) therapy has been shown to be efficacious in various pain conditions, the ability for SCS therapy to maintain long-term efficacy has been questioned. OBJECTIVE: The purpose of this study was to investigate whether a loss of efficacy (LOE) phenomenon exists with SCS therapy and to investigate if this phenomenon is more apparent in any specific patient population. STUDY DESIGN: A retrospective, observation chart review was conducted to evaluate the patient response to SCS therapy over time...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29148933/surgical-strategies-for-the-treatment-of-os-odontoideum-with-atlantoaxial-dislocation
#16
Xinghuo Wu, Kirkham B Wood, Yong Gao, Shuai Li, Jing Wang, Ting Ge, Boming Zhao, Zengwu Shao, Shuhua Yang, Cao Yang
OBJECTIVE This study aimed to compare the clinical results of using posterior fixation and fusion with or without anterior decompression to treat os odontoideum with atlantoaxial dislocation. METHODS Twenty-five consecutive patients with os odontoideum were included in this study. Sixteen patients with reducible atlantoaxial dislocation were treated by single-level posterior fusion and stabilization; the other 9 were treated with posterior fusion and stabilization combined with transoral decompression. Pre- and postoperative CT scans and MR images were obtained...
November 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29148391/outbreaks-of-neuroinvasive-astrovirus-associated-with-encephalomyelitis-weakness-and-paralysis-among-weaned-pigs-hungary
#17
Ákos Boros, Mihály Albert, Péter Pankovics, Hunor Bíró, Patricia A Pesavento, Tung Gia Phan, Eric Delwart, Gábor Reuter
A large, highly prolific swine farm in Hungary had a 2-year history of neurologic disease among newly weaned (25- to 35-day-old) pigs, with clinical signs of posterior paraplegia and a high mortality rate. Affected pigs that were necropsied had encephalomyelitis and neural necrosis. Porcine astrovirus type 3 was identified by reverse transcription PCR and in situ hybridization in brain and spinal cord samples in 6 animals from this farm. Among tissues tested by quantitative RT-PCR, the highest viral loads were detected in brain stem and spinal cord...
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29148269/salidroside-attenuates-neuroinflammation-and-improves-functional-recovery-after-spinal-cord-injury-through-microglia-polarization-regulation
#18
Chenggui Wang, Qingqing Wang, Yiting Lou, Jianxiang Xu, Zhenhua Feng, Yu Chen, Qian Tang, Gang Zheng, Zengjie Zhang, Yaosen Wu, Naifeng Tian, Yifei Zhou, Huazi Xu, Xiaolei Zhang
Spinal cord injury (SCI) is a severe neurological disease; however, few drugs have been proved to treat SCI effectively. Neuroinflammation is the major pathogenesis of SCI secondary injury and considered to be the therapeutic target of SCI. Salidroside (Sal) has been reported to exert anti-inflammatory effects in airway, adipose and myocardial tissue; however, the role of Sal in SCI therapeutics has not been clarified. In this study, we showed that Sal could improve the functional recovery of spinal cord in rats as revealed by increased BBB locomotor rating scale, angle of incline, and decreased cavity of spinal cord injury and apoptosis of neurons in vivo...
November 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29148135/cadence-tracking-and-disturbance-rejection-in-functional-electrical-stimulation-cycling-for-paraplegic-subjects-a-case-study
#19
Lucas O da Fonseca, Antônio P L Bó, Juliana A Guimarães, Miguel E Gutierrez, Emerson Fachin-Martins
Functional electrical stimulation cycling has been proposed as an assistive technology with numerous health and fitness benefits for people with spinal cord injury, such as improvement in cardiovascular function, increase in muscular mass, and reduction of bone mass loss. However, some limitations, for example, lack of optimal control strategies that would delay fatigue, may still prevent this technology from achieving its full potential. In this work, we performed experiments on a person with complete spinal cord injury using a stationary tadpole trike when both cadence tracking and disturbance rejection were evaluated...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148129/development-of-functional-electrical-stimulation-rowing-the-rowstim-series
#20
Brian Andrews, Robin Gibbons, Garry Wheeler
Potentially, functional electrical stimulation (FES)-assisted exercise may have an important therapeutic role in reducing comorbidities associated with spinal cord injury (SCI). Here, we present an overview of these secondary life-threatening conditions, discuss the rationale behind the development of a hybrid exercise called FES rowing, and describe our experience in developing FES rowing technology. FES rowing and sculling are unique forms of adaptive rowing for those with SCI. The paralyzed leg musculature is activated by multiple channels of electrical pulses delivered via self-adhesive electrodes attached to the skin...
November 2017: Artificial Organs
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