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SCI, Inflammation

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https://www.readbyqxmd.com/read/27889959/fumaric-acid-esters-attenuate-secondary-degeneration-following-spinal-cord-injury
#1
Marika Cordaro, Giovanna Casili, Irene Paterniti, Salvatore Cuzzocrea, Emanuela Esposito
Spinal cord injury (SCI) causes permanent changes in motor, sensory and autonomic functions. Unfortunately, there are not a stable cures and current treatments include surgical decompression, methylprednisolone and hemodynamic control that lead to modest function recovery. Fumaric acid esters (FAEs) were firstly used in the management of an immunological skin disorder, such as psoriasis. Because of their potent anti-inflammatory effects, they have been introduced in multiple sclerosis. Investigation shown not only anti-inflammatory, but also supposed neuroprotective mechanism of action...
November 27, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27878119/the-role-of-microrna-markers-in-the-diagnosis-treatment-and-outcome-prediction-of-spinal-cord-injury
#2
REVIEW
Nikolay L Martirosyan, Alessandro Carotenuto, Arpan A Patel, M Yashar S Kalani, Kaan Yagmurlu, G Michael Lemole, Mark C Preul, Nicholas Theodore
Spinal cord injury (SCI) is a devastating condition that affects many people worldwide. Treatment focuses on controlling secondary injury cascade and improving regeneration. It has recently been suggested that both the secondary injury cascade and the regenerative process are heavily regulated by microRNAs (miRNAs). The measurement of specific biomarkers could improve our understanding of the disease processes, and thereby provide clinicians with the opportunity to guide treatment and predict clinical outcomes after SCI...
2016: Frontiers in Surgery
https://www.readbyqxmd.com/read/27865778/curcumin-inhibits-glial-scar-formation-by-suppressing-astrocyte-induced-inflammation-and-fibrosis-in-vitro-and-in-vivo
#3
Jichao Yuan, Wei Liu, Haitao Zhu, Yaxing Chen, Xuan Zhang, Lan Li, Weihua Chu, Zexian Wen, Hua Feng, Jiangkai Lin
Spinal cord injury (SCI) leads to glial scar formation by astrocytes, which severely hinders neural regeneration. Curcumin (cur) can inhibit glial scar formation, but the underlying mechanism is not fully understood. Using both in vivo and in vitro experiments, the current study investigated the phenotypic transformation of astrocytes following cur and siRNA intervention during the processes of inflammation and fibrosis and determined details of the relationship between cur treatment and the glial scar components GFAP and CSPG...
November 16, 2016: Brain Research
https://www.readbyqxmd.com/read/27847197/synchrotron-radiation-micro-ct-as-a-novel-tool-to-evaluate-the-effect-of-agomir-210-in-a-rat-spinal-cord-injury-model
#4
Yong Cao, Tian-Ding Wu, Hao Wu, Ye Lang, Dong-Zhe Li, Shuang-Fei Ni, Hong-Bin Lu, Jian-Zhong Hu
MicroRNA-210 (miR-210) was initially reported to be associated with hypoxia and plays a vital role in modulating angiogenesis. However, the potential effect and underlying mechanisms of miR-210 activity in rat spinal cord injury (SCI) have not yet been fully illuminated. In the present study, differential microRNA expression after SCI was determined by Microarray analysis. To explore the effect of miR-210 after SCI, we intrathecally injected agomir-210 with Alzet Osmotic Pumps to up-regulated the endogenous miR-210 expression...
November 12, 2016: Brain Research
https://www.readbyqxmd.com/read/27836325/the-upregulation-of-annexin-a2-after-spinal-cord-injury-in-rats-may-have-implication-for-astrocyte-proliferation
#5
Jiajia Chen, Zhiming Cui, Saishuai Yang, Chunshuai Wu, Weidong Li, Guofeng Bao, Guanhua Xu, Yuyu Sun, Lingling Wang, Jinlong Zhang
Annexin A2 (ANXA2), is a member of the annexin family of proteins that exhibit Ca(2+)-dependent binding to phospholipids. One attractive biological function of ANXA2 is participating in DNA synthesis and cell proliferation. Previous studies have shown that ANXA2 play a role in the development of the central nervous system. However, the biological function of ANXA2 after spinal cord injury (SCI) is still with limited acquaintance. In the present study, we performed a SCI model in adult rats and investigated the dynamic changes of ANXA2 expression in the spinal cord...
October 27, 2016: Neuropeptides
https://www.readbyqxmd.com/read/27834292/mesenteric-vascular-dysregulation-and-intestinal-inflammation-accompanies-experimental-spinal-cord-injury
#6
Emily M Besecker, Gina M Deiter, Nicole Pironi, Timothy K Cooper, Gregory Michael Holmes
Cervical and high thoracic spinal cord injury (SCI) drastically impairs autonomic nervous system function. Individuals with SCI at thoracic spinal-level 5 (T5) or higher often present cardiovascular disorders that include resting systemic arterial hypotension. Gastrointestinal (GI) tissues are critically dependent upon adequate blood flow and even brief periods of visceral hypoxia triggers GI dysmotility. The aim of this study was to test the hypothesis that T3-SCI induces visceral hypoperfusion, diminished postprandial vascular reflexes and concomitant visceral inflammation...
November 9, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27737726/neural-stem-cell-conditioned-medium-suppresses-inflammation-and-promotes-spinal-cord-injury-recovery
#7
Zhijian Cheng, Dale B Bosco, Li Sun, Xiaoming Chen, Yunsheng Xu, Wenjiao Tai, Ruth Didier, Jinhua Li, Jianqing Fan, Xijing He, Yi Ren
Spinal cord injury (SCI) causes functional impairment as a result of the initial injury followed by secondary injury mechanism. SCI provokes an inflammatory response that causes secondary tissue damage and neurodegeneration. While, the use of neural stem cell (NSC) engraftment to mitigate secondary injury has been of interest to many researchers, it still faces several limitations. As such, we investigated if NSC-conditioned media (NSC-M) possesses therapeutic potential for the treatment of SCI. It has been proposed that many of the beneficial effects attributed to stem cell therapies are due to secreted factors...
October 12, 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27729244/nadph-oxidase-isoform-expression-is-temporally-regulated-and-may-contribute-to-microglial-macrophage-polarization-after-spinal-cord-injury
#8
Sara Bermudez, Guzal Khayrullina, Yujia Zhao, Kimberly R Byrnes
Spinal cord injury (SCI) results in both acute and chronic inflammation, as a result of activation of microglia, invasion of macrophages and activation of the NADPH oxidase (NOX) enzyme. The NOX enzyme is a primary source of reactive oxygen species (ROS) and is expressed by microglia and macrophages after SCI. These cells can assume either a pro- (M1) or anti-inflammatory (M2) polarization phenotype and contribute to tissue response to SCI. However, the contribution of NOX expression and ROS production to this polarization and vice versa is currently undefined...
December 2016: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/27717042/effects-of-melatonin-on-severe-crush-spinal-cord-injury-induced-reactive-astrocyte-and-scar-formation
#9
Warin Krityakiarana, Kamonrapat Sompup, Nopporn Jongkamonwiwat, Sujira Mukda, Fernando Gomez Pinilla, Piyarat Govitrapong, Pansiri Phansuwan-Pujito
The present work aimed at analyzing the effects of melatonin on scar formation after spinal cord injury (SCI). Upregulation of reactive astrocyte under SCI pathological conditions has been presented in several studies. It has been proved that the crucial factor in triggering this upregulation is proinflammatory cytokines. Moreover, scar formation is an important barrier to axonal regeneration through the lesion area. Melatonin plays an important role in reducing inflammation, but its effects on scar formation in the injured spinal cord remain unknown...
December 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27716334/multiple-organ-dysfunction-and-systemic-inflammation-after-spinal-cord-injury-a-complex-relationship
#10
Xin Sun, Zachary B Jones, Xiao-Ming Chen, Libing Zhou, Kwok-Fai So, Yi Ren
Spinal cord injury (SCI) is a devastating event that results in significant physical disabilities for affected individuals. Apart from local injury within the spinal cord, SCI patients develop a variety of complications characterized by multiple organ dysfunction or failure. These disorders, such as neurogenic pain, depression, lung injury, cardiovascular disease, liver damage, kidney dysfunction, urinary tract infection, and increased susceptibility to pathogen infection, are common in injured patients, hinder functional recovery, and can even be life threatening...
October 6, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27701152/tissue-engineering-approaches-to-modulate-the-inflammatory-milieu-following-spinal-cord-injury
#11
Courtney M Dumont, Daniel J Margul, Lonnie D Shea
Tissue engineering strategies have shown promise in promoting healing and regeneration after spinal cord injury (SCI); however, these strategies are limited by inflammation and the immune response. Infiltration of cells of the innate and adaptive immune responses and the inflammation that follows cause secondary damage adjacent to the injury, increased scarring, and a potently inhibitory environment for the regeneration of damaged neurons. While the inflammation that ensues is typically associated with limited regeneration, the immune response is a crucial element in the closing of the blood-brain barrier, minimizing the spread of injury, and initiating healing...
2016: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/27690115/morphology-of-donor-and-recipient-nerves-utilised-in-nerve-transfers-to-restore-upper-limb-function-in-cervical-spinal-cord-injury
#12
Aurora Messina, Natasha Van Zyl, Michael Weymouth, Stephen Flood, Andrew Nunn, Catherine Cooper, Jodie Hahn, Mary P Galea
Loss of hand function after cervical spinal cord injury (SCI) impacts heavily on independence. Multiple nerve transfer surgery has been applied successfully after cervical SCI to restore critical arm and hand functions, and the outcome depends on nerve integrity. Nerve integrity is assessed indirectly using muscle strength testing and intramuscular electromyography, but these measures cannot show the manifestation that SCI has on the peripheral nerves. We directly assessed the morphology of nerves biopsied at the time of surgery, from three patients within 18 months post injury...
2016: Brain Sciences
https://www.readbyqxmd.com/read/27686077/ppar-%C3%AE-modulates-the-anti-inflammatory-effect-of-melatonin-in-the-secondary-events-of-spinal-cord-injury
#13
I Paterniti, M Campolo, M Cordaro, D Impellizzeri, R Siracusa, R Crupi, E Esposito, S Cuzzocrea
Melatonin is the principal secretory product of the pineal gland, and its role as an immunomodulator is well established. Recent evidence shows that melatonin is a scavenger of oxyradicals and peroxynitrite and reduces the development of inflammation and tissue injury events associated with spinal cord trauma. Previous results suggest that peroxisome proliferator-activated receptor α (PPAR-α), a nuclear receptor protein that functions as a transcription factor activated by fatty acids, plays a role in control of secondary inflammatory process associated with spinal cord injury (SCI)...
September 29, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27673428/high-mobility-group-box-1-hmgb1-is-elevated-systemically-in-persons-with-acute-or-chronic-traumatic-spinal-cord-injury
#14
Angelos Papatheodorou, Adam B Stein, Matthew Bank, Cristina P Sison, Katie Gibbs, Peter Davies, Ona Bloom
Inflammation in traumatic spinal cord injury (SCI) has been proposed to promote damage acutely and oppose functional recovery chronically. However, we do not yet understand the signals that initiate or prolong inflammation in persons with SCI. High-Mobility Group Box 1 (HMGB1) is a potent systemic inflammatory cytokine, or "damage-associated molecular pattern molecule" (DAMP) studied in a variety of clinical settings. It is elevated in pre-clinical models of traumatic spinal cord injury (SCI), where it promotes secondary injury, and strategies that block HMGB1 improve functional recovery...
September 27, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27665978/levels-of-vaspin-and-omentin-1-in-gingival-crevicular-fluid-as-potential-markers-of-inflammation-in-patients-with-chronic-periodontitis-and-type-2-diabetes-mellitus
#15
Şeyma Bozkurt Doğan, Figen Öngöz Dede, Umut Ballı, Erdim Sertoğlu
The aims of the present study were to determine the levels of vaspin and omentin-1 in gingival crevicular fluid (GCF) in patients with chronic periodontitis (CP) with and without type 2 diabetes mellitus (T2DM), and to evaluate GCF vaspin and omentin-1 levels after non-surgical periodontal therapy. The study included 60 subjects: 15 systemically and periodontally healthy individuals, 15 periodontally healthy patients with T2DM, 15 systemically healthy patients with CP, and 15 patients with both CP and T2DM...
2016: Journal of Oral Science
https://www.readbyqxmd.com/read/27651756/tamoxifen-an-fda-approved-drug-with-neuroprotective-effects-for-spinal-cord-injury-recovery
#16
REVIEW
Jennifer M Colón, Jorge D Miranda
Spinal cord injury (SCI) is a condition without a cure, affecting sensory and/or motor functions. The physical trauma to the spinal cord initiates a cascade of molecular and cellular events that generates a non-permissive environment for cell survival and axonal regeneration. Among these complex set of events are damage of the blood-brain barrier, edema formation, inflammation, oxidative stress, demyelination, reactive gliosis and apoptosis. The multiple events activated after SCI require a multi-active drug that could target most of these events and produce a permissive environment for cell survival, regeneration, vascular reorganization and synaptic formation...
August 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27650169/spinal-cord-injury-suppresses-cutaneous-inflammation-implications-for-peripheral-wound-healing
#17
Jessica M Marbourg, Anna Bratasz, Xiaokui Mo, Phillip G Popovich
People who suffer a traumatic spinal cord injury (SCI) are at increased risk for developing dermatological complications. These conditions increase cost of care, incidence of rehospitalization, and the risk for developing other infections. The consequences of dermatological complications after SCI are likely exacerbated further by post-injury deficits in neural-immune signaling. Indeed, a functional immune system is essential for optimal host defense and tissue repair. Here, we tested the hypothesis that SCI at high spinal levels, which causes systemic immune suppression, would suppress cutaneous inflammation below the level of injury...
October 17, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27639636/acute-spinal-cord-injury-sci-transforms-how-gaba-affects-nociceptive-sensitization
#18
Yung-Jen Huang, Kuan H Lee, Lauren Murphy, Sandra M Garraway, James W Grau
Noxious input can sensitize pain (nociceptive) circuits within the spinal cord, inducing a lasting increase in spinal cord neural excitability (central sensitization) that is thought to contribute to chronic pain. The development of spinally-mediated central sensitization is regulated by descending fibers and GABAergic interneurons. The current study provides evidence that spinal cord injury (SCI) transforms how GABA affects nociceptive transmission within the spinal cord, recapitulating an earlier developmental state wherein GABA has an excitatory effect...
November 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27628653/identification-of-molecular-pathway-changes-after-spinal-cord-injury-by-microarray-analysis
#19
Haocong Zhang, Yan Wang
BACKGROUND: Spinal cord injury (SCI) is highly related to the devastating sensory and motor dysfunction. METHODS: The GSE45006 gene expression profile dataset was downloaded from Gene Expression Omnibus, which was collected from 24 rats including 20 animals with injured T7 spinal cords using an aneurysm clip impact-compression injury model and killed after 1 day, 3 days, 1 week, 2 weeks, and 8 weeks and four sham-operated rats. Differentially expressed genes (DEGs) between the injured rats at each time point and the sham-operated rats were screened...
2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27596954/aescin-reduces-oxidative-stress-and-provides-neuroprotection-in-experimental-traumatic-spinal-cord-injury
#20
Peng Cheng, Fang Kuang, Gong Ju
Aescin has many physiological functions that are highly relevant to spinal cord injury (SCI), including anti-inflammation, anti-oxidation, anti-oedema, and enhancing vascular tone. The present study investigated the putative therapeutic value of aescin in SCI, with a focus on its neuroprotective, anti-inflammatory, and anti-oxidative properties. Sodium aescinate (1.0mg/kg body weight) or equivalent volume of saline was administered 30min after injury by intravenous injection, with an additional dose daily for seven consecutive days after moderate SCI in rats...
September 2, 2016: Free Radical Biology & Medicine
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