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SCI, Inflammation

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https://www.readbyqxmd.com/read/29352519/nafamostat-mesilate-attenuates-inflammation-and-apoptosis-and-promotes-locomotor-recovery-after-spinal-cord-injury
#1
Hui-Quan Duan, Qiu-Li Wu, Xue Yao, Bao-You Fan, Hong-Yu Shi, Chen-Xi Zhao, Yan Zhang, Bo Li, Chao Sun, Xiao-Hong Kong, Xin-Fu Zhou, Shi-Qing Feng
AIM: Spinal cord injury (SCI) leads to severe neural damage for which there is currently no effective treatment. Exploration of the neuroprotective effect among clinically approved drugs will speed up clinical translation of SCI. Nafamostat mesilate (NM) as a synthetic serine protease inhibitor has been used clinically in pancreatitis treatments. However, its effectiveness in SCI is unknown. The aim of this study was to confirm the efficacy of NM in ameliorating SCI. METHODS: Intraperitoneal administration of NM was performed on a contusion SCI model in Wistar rat...
January 19, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29316847/chloroquine-promotes-the-recovery-of-acute-spinal-cord-injury-by-inhibiting-autophagy-associated-inflammation-and-endoplasmic-reticulum-stress
#2
Fenzan Wu, Xiaojie Wei, Yanqing Wu, Xiaoxia Kong, Aiping Hu, Songlin Tong, Yanlong Liu, Fanhua Gong, Ling Xie, Jinjing Zhang, Jian Xiao, Hongyu Zhang
Spinal cord injury (SCI) is a severe nervous system disease that may lead to lifelong disability. Studies have shown that autophagy plays a key role in various diseases; however, the mechanisms regulating crosstalk between autophagy, inflammation and endoplasmic reticulum (ER) stress during SCI recovery remain unclear. This study was designed to investigate the mechanism by which chloroquine (CQ) inhibits autophagy-associated inflammation and ER-stress in rats during their recovery from acute SCI. We evaluated the locomotor function, level of autophagy, and levels of inflammatory cytokines and ER-stress associated proteins and examined the degradation of the key regulator of inflammation I-κBα through autophagy by analyzing the colocalization of I-κBα, p62 and LC3-II...
January 9, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29310515/persons-with-chronic-spinal-cord-injury-have-decreased-nk-cell-and-increased-tlr-inflammatory-gene-expression
#3
Paige Herman, Adam B Stein, Katie Gibbs, Ilya Korsunsky, Peter Gregersen, Ona Bloom
Infections are the leading cause of death for individuals with traumatic spinal cord injury (SCI). Along with increased infection rates, inflammation is often also observed in persons with chronic SCI. Together, immunological changes after SCI are also poised to impede neurological recovery and to mediate common medical consequences of SCI, including atherogenesis and neuropathic pain. The molecular mechanisms contributing to increased infection susceptibility and inflammation in persons living with SCI are poorly understood...
January 8, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29307082/biomarkers-in-spinal-cord-injury-from-prognosis-to-treatment
#4
REVIEW
Leonardo Fonseca Rodrigues, Vivaldo Moura-Neto, Tania Cristina Leite de Sampaio E Spohr
Spinal cord injury (SCI) is considered an incurable condition, having a heterogenous recovery and uncertain prognosis. Therefore, a reliable prediction of the improvement in the acute phase could benefit patients. Physicians are unanimous in insisting that at the initial damage of the spinal cord (SC), the patient should be carefully evaluated in order to help selecting an appropriate neuroprotective treatment. However, currently, neurologic impairment after SCI is measured and classified by functional examination...
January 6, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29285096/anti-inflammatory-effect-of-delphinidin-on-intramedullary-spinal-pressure-in-a-spinal-cord-injury-rat-model
#5
Cheng-Hu Wang, Lin-Lin Zhu, Ke-Feng Ju, Jin-Long Liu, Kun-Peng Li
Delphinidin, a flavonoid polyphenolic compound, is widely found in nature and is used as a food supplement due to its pharmacological activity. The aims of the present study were to examine the anti-inflammatory effect of delphinidin in alleviating spinal cord injury (SCI)-induced inflammation in a rat model and to determine the underlying mechanisms in SCI. The Basso, Beattie, Bresnahan (BBB) scores of rats were assessed to evaluate the effect of delphinidin on the recovery of motor function. ELISA kits were also used to analyze the activities of tumor necrosis factor-α (TNF-α), interleukin (IL)-6, cyclooxygenase-2 (COX-2), prostaglandin E2 (PGE2) and caspase-3...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29282251/%C3%AE-%C3%AE-t-cells-provide-the-early-source-of-ifn-%C3%AE-to-aggravate-lesions-in-spinal-cord-injury
#6
Guodong Sun, Shuxian Yang, Guangchao Cao, Qianghua Wang, Jianlei Hao, Qiong Wen, Zhizhong Li, Kwok-Fai So, Zonghua Liu, Sufang Zhou, Yongxiang Zhao, Hengwen Yang, Libing Zhou, Zhinan Yin
Immune responses and neuroinflammation are critically involved in spinal cord injury (SCI). γδ T cells, a small subset of T cells, regulate the inflammation process in many diseases, yet their function in SCI is still poorly understood. In this paper, we demonstrate that mice deficient in γδ T cells (TCRδ-/- ) showed improved functional recovery after SCI. γδ T cells are detected at the lesion sites within 24 hours after injury and are predominantly of the Vγ4 subtype and express the inflammatory cytokine IFN-γ...
December 27, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29247472/short-term-adverse-effects-of-early-subclinical-allograft-inflammation-in-kidney-transplant-recipients-with-a-rapid-steroid-withdrawal-protocol
#7
Rajil Mehta, Sushma Bhusal, Parmjeet Randhawa, Puneet Sood, Aravind Cherukuri, Christine Wu, Chethan Puttarajappa, William Hoffman, Nirav Shah, Massimo Mangiola, Adriana Zeevi, Amit D Tevar, Sundaram Hariharan
The impact of Sub-Clinical Inflammation (SCI) noted on early kidney allograft biopsies remains unclear. This study evaluated the outcome of SCI noted on 3-month biopsy. A total of 273/363 (75%) kidney transplant recipients with a functioning kidney underwent allograft biopsies 3-months post-transplant. Among those with stable allograft function at 3 months, 200 biopsies that did not meet the Banff criteria for rejection were identified. These were Group I: No Inflammation (NI, n=71) and Group II: Subclinical Inflammation (SCI, n=129)...
December 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29244816/treatment-with-albumin-hydroxyoleic-acid-complex-restores-sensorimotor-function-in-rats-with-spinal-cord-injury-efficacy-and-gene-expression-regulation
#8
Gerardo Avila-Martin, Manuel Mata-Roig, Iriana Galán-Arriero, Julian S Taylor, Xavier Busquets, Pablo V Escribá
Sensorimotor dysfunction following incomplete spinal cord injury (SCI) is often characterized by paralysis, spasticity and pain. Previously, we showed that intrathecal (i.t.) administration of the albumin-oleic acid (A-OA) complex in rats with SCI produced partial improvement of these symptoms and that oral 2-hydroxyoleic acid (HOA, a non-hydrolyzable OA analogue), was efficacious in the modulation and treatment of nociception and pain-related anxiety, respectively. Here we observed that intrathecal treatment with the complex albumin-HOA (A-HOA) every 3 days following T9 spinal contusion injury improved locomotor function assessed with the Rotarod and inhibited TA noxious reflex activity in Wistar rats...
2017: PloS One
https://www.readbyqxmd.com/read/29244790/lentivirus-mediated-silencing-of-the-ptc1-and-ptc2-genes-promotes-recovery-from-spinal-cord-injury-by-activating-the-hedgehog-signaling-pathway-in-a-rat-model
#9
Ya-Dong Zhang, Zhong-Sheng Zhu, Dong Zhang, Zhen Zhang, Bin Ma, Shi-Chang Zhao, Feng Xue
This study aimed to investigate the effect of Patched-1 (PTC1) and PTC2 silencing in a rat model, on Hedgehog (Hh) pathway-mediated recovery from spinal cord injury (SCI). An analytical emphasis on the relationship between the sonic hedgehog (Shh) pathway and nerve regeneration was explored. A total of 126 rats were divided into normal, sham, SCI, negative control (NC), PTC1-RNAi, PTC2-RNAi and PTC1/PTC2-RNAi groups. The Basso, Beattie and Bresnahan (BBB) scale was employed to assess hind limb motor function...
December 15, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29228691/berberine-attenuated-pro-inflammatory-factors-and-protect-against-neuronal-damage-via-triggering-oligodendrocyte-autophagy-in-spinal-cord-injury
#10
Hongyu Wang, Chang Liu, Xifan Mei, Yang Cao, Zhanpeng Guo, Yajiang Yuan, Ziming Zhao, Changwei Song, Yue Guo, Zhaoliang Shen
Berberine exerts neuroprotective effect in neuroinflammation and neurodegeneration disease. However, berberine effect in acute spinal cord injury is yet to be elucidated. Herein, we investigated the neuroprotective effect of berberine in spinal cord injury (SCI). Sprague-Dawley rats were subjected to SCI by an intraperitoneal injection of berberine post-injury. The neurobehavioral recovery, cytokines of pro-inflammatory factors (TNF-α and IL-1β), autophagy-related proteins (LC3B, ATG16L, ATG7), and apoptosis-related protein cleaved caspase-3 were determined...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29218499/effect-of-clip3-upregulation-on-astrocyte-proliferation-and-subsequent-glial-scar-formation-in-the-rat-spinal-cord-via-stat3-pathway-after-injury
#11
Xiaoqing Chen, Cheng Chen, Jie Hao, Jiyun Zhang, Feng Zhang
Spinal cord injury (SCI) is a devastating event resulting in neuron degeneration and permanent paralysis through inflammatory cytokine overproduction and glial scar formation. Presently, the endogenous molecular mechanisms coordinating glial scar formation in the injured spinal cord remain elusive. Signal transducer and activator of transcription 3 (STAT3) is a well-known transcription factor particularly involving in cell proliferation and inflammation in the lesion site following SCI. Meanwhile, CAP-Gly domain containing linker protein 3(CLIP3), a vital cytoplasmic protein, has been confirmed to providing an optimal conduit for intracellular signal transduction and interacting with STAT3 with mass spectrometry analysis...
December 7, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29207118/oxysophoridine-rescues-spinal-cord-injury-via-anti%C3%A2-inflammatory-anti%C3%A2-oxidative-stress-and-anti%C3%A2-apoptosis-effects
#12
Zhong Cao, Liang Chen, Yanbin Liu, Tao Peng
Oxysophoridine (OSR) is an alkaloid extracted from Sophora alopecuroides L and has various pharmacological activities. The present study aimed to investigate the protective effects and underlying mechanisms of OSR on spinal cord injury (SCI), a clinically common serious trauma, in a rat model. The results of the present study demonstrated that the anti‑inflammatory effect of OSR improved Basso, Beatie and Bresnahan Locomotor Rating Scale scores and reduced spinal cord tissue water contents in an SCI rat model...
November 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29205096/anatomical-and-functional-changes-to-the-colonic-neuromuscular-compartment-after-experimental-spinal-cord-injury
#13
Amanda White, Gregory M Holmes
A profound reduction in colorectal transit time accompanies spinal cord injury (SCI), yet the colonic alterations after SCI have yet to be fully understood. The loss of descending supraspinal input to lumbosacral neural circuits innervating the colon is recognized as one causal mechanism. However, remodeling of the colonic enteric nervous system/smooth muscle junction in response to inflammation is recognized as one factor leading to colonic dysmotility in other pathophysiological models. We investigated the alterations to the neuromuscular junction in rats with experimental high-thoracic (T3) SCI...
December 5, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29196042/multilayer-polyion-complex-nanoformulations-of-superoxide-dismutase-1-for-acute-spinal-cord-injury
#14
N V Nukolova, A D Aleksashkin, T O Abakumova, A Y Morozova, I L Gubskiy, Е А Kirzhanova, M A Abakumov, V P Chekhonin, N L Klyachko, A V Kabanov
As one of the most devastating forms of trauma, spinal cord injury (SCI) remains a challenging clinical problem. The secondary processes associated with the primary injury, such as overproduction of reactive oxygen species (ROS) and inflammation, lead to concomitant compression of the injured spinal cord and neuronal death. Delivery of copper-zinc superoxide dismutase (SOD1), an efficient ROS scavenger, to the site of injury can mitigate SCI-induced oxidative stress and tissue damage. Towards this goal catalytically active nanoformulations of SOD1 ("nanozymes") are developed as a modality for treatment of SCI...
November 28, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29175543/high-mobility-group-box-1-hmgb1-is-increased-in-injured-mouse-spinal-cord-and-can-elicit-neurotoxic-inflammation
#15
Kristina A Kigerl, Wenmin Lai, Lindsay M Wallace, Huan Yang, Phillip G Popovich
Inflammation is a ubiquitous but poorly understood consequence of spinal cord injury (SCI). The mechanisms controlling this response are unclear but culminate in the sequential activation of resident and recruited immune cells. Collectively, these cells can exert divergent effects on cell survival and tissue repair. HMGB1 is a ubiquitously expressed DNA binding protein and also a potent inflammatory stimulus. Necrotic cells release HGMB1, but HMGB1 also is actively secreted by inflammatory macrophages. A goal of this study was to quantify spatio-temporal patterns of cellular HMGB1 expression in a controlled mouse model of experimental SCI then determine the effects of HMGB1 on post-SCI neuroinflammation and recovery of function...
November 22, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29155409/biomaterial-strategies-for-limiting-the-impact-of-secondary-events-following-spinal-cord-injury
#16
Trevor R Ham, Nic D Leipzig
The nature of traumatic spinal cord injury (SCI) often involves limited recovery and long-term quality of life complications. The initial injury sets off a variety of secondary cascades, which result in an expanded lesion area. Ultimately, the native tissue fails to regenerate. As treatments are developed in the laboratory, the management of this secondary cascade is an important first step in achieving recovery of normal function. Current literature identifies four broad targets for intervention: inflammation, oxidative stress, disruption of the blood-spinal cord barrier, and formation of an inhibitory glial scar...
November 20, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/29140736/extremely-low-frequency-magnetic-field-protects-injured-spinal-cord-from-the-microglia-and-iron-induced-tissue-damage
#17
Soumil Dey, Samrat Bose, Suneel Kumar, Ravinder Rathore, Rashmi Mathur, Suman Jain
Spinal cord injury (SCI) is insult to the spinal cord, which results in loss of sensory and motor function below the level of injury. SCI results in both immediate mechanical damage and secondary tissue degeneration. Following traumatic insult, activated microglia release proinflammatory cytokines and excess iron due to hemorrhage, initiating oxidative stress that contributes to secondary degeneration. Literature suggests that benefits are visible with the reduction in concentration of iron and activated microglia in SCI...
November 15, 2017: Electromagnetic Biology and Medicine
https://www.readbyqxmd.com/read/29138827/gambogic-acid-inhibits-spinal-cord-injury-and-inflammation-through-suppressing-the-p38-and-akt-signaling-pathways
#18
Qiao Fu, Chaojian Li, Lehua Yu
Gamboge is the dry resin secreted by Garcinia hanburyi Hook.f, with the function of promoting blood circulation, detoxification, hemostasis and killing insects, used for the treatment of cancer, brain edema and other diseases. Gambogic acid is the main effective constituent of Gamboge. The present study investigated the protective effects of gambogic acid on spinal cord injury (SCI) and its anti‑inflammatory mechanism in an SCI model in vivo. Basso, Beattie and Bresnahan (BBB) testing was used to detect the protective effects of gambogic acid on nerve function of SCI rats...
November 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29132140/mitochondria-targeted-peptide-attenuates-mitochondrial-dysfunction-controls-inflammation-and-protects-against-spinal-cord-injury-induced-lung-injury
#19
Liu-Long Zhu, Mao-Qiang Li, Fan He, Shao-Bo Zhou, Wu Jiang
BACKGROUND/AIMS: Spinal cord injury (SCI) is a common and devastating disease, which results in systemic inflammatory response syndrome and secondary lung injury. Mitochondrial dysfunction and inflammation are closely related to lung injury in diverse disease models. No studies have demonstrated the effects of mitochondrial targeted peptide SS-31 in a mouse model of SCI-induced lung injury. METHODS: Immediately after injury, mice in the treatment groups received a daily, single-dose intraperitoneal injection of SS-31 and for the next 2 days...
November 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29109234/maresin-1-promotes-inflammatory-resolution-neuroprotection-and-functional-neurological-recovery-after-spinal-cord-injury
#20
Isaac Francos Quijorna, Eva Santos-Nogueira, Karsten Gronert, Aaron B Sullivan, Marcel A Kopp, Benedikt Brommer, Samuel David, Jan M Schwab, Ruben Lopez Vales
Resolution of inflammation is defective after spinal cord injury (SCI), which impairs tissue integrity and remodelling, and leads to functional deficits. Effective treatments for SCI are not currently available. Maresin 1 (MaR1) is a highly conserved specialized pro-resolving mediators (SPM) hosting potent anti-inflammatory and pro-resolving properties with potent tissue regenerative actions. Here, we provide evidence that the inappropriate biosynthesis of SPM in the lesioned spinal cord hampers the resolution of inflammation and leads to deleterious consequences on neurological outcome in adult female mice...
November 3, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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