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SCI, Inflammation

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https://www.readbyqxmd.com/read/29140736/extremely-low-frequency-magnetic-field-protects-injured-spinal-cord-from-the-microglia-and-iron-induced-tissue-damage
#1
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
#2
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
#3
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
#4
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
https://www.readbyqxmd.com/read/29101668/gut-microbiota-are-disease-modifying-factors-after-traumatic-spinal-cord-injury
#5
REVIEW
Kristina A Kigerl, Klauss Mostacada, Phillip G Popovich
Spinal cord injury (SCI) disrupts the autonomic nervous system (ANS), impairing its ability to coordinate organ function throughout the body. Emerging data indicate that the systemic pathology that manifests from ANS dysfunction exacerbates intraspinal pathology and neurological impairment. Precisely how this happens is unknown, although new data, in both humans and in rodent models, implicate changes in the composition of bacteria in the gut (i.e., the gut microbiota) as disease-modifying factors that are capable of affecting systemic physiology and pathophysiology...
November 3, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/29077222/class-iia-hdacs-inhibitor-tmp269-promotes-m1-polarization-of-macrophages-after-spinal-cord-injury
#6
Xiangbei Qi, Pengcheng Wang
Spinal cord injury (SCI) is a devastating disease insulting neurological system, and it could be further exacerbated by overwhelming inflammatory responses, where macrophages play a central role. Depending on their heterogeneous phenotypes, macrophages contribute intricately to SCI's pathological processes and functional recovery. Although stimuli like interferons and cytokines are known to regulate their phonotypical transition, it remains elusive which epigenetic programs macrophages engage to complete phenotype shift...
October 27, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29069618/blockade-of-interleukin-7-receptor-shapes-macrophage-alternative-activation-and-promotes-functional-recovery-after-spinal-cord-injury
#7
Changshun Bao, Bin Wang, Fubing Yang, Jinwei Pang, Yong Jiang, Ligang Chen
Macrophages are implicated in the pathological processes and functional recovery of spinal cord injury (SCI). Macrophage activation following inflammation depends on networks of interferons and cytokines. Recent evidence indicate that IL-7 signaling can influence the release of proinflammatory factors, however, its roles in modulating macrophage phenotype and function and whether it could affect the functional recovery of SCI are poorly understood. Here, we show that, in a murine SCI model, IL-7 is promptly and vastly induced in injured spinal cord, and that blockade of IL-7 signaling with anti-IL-7Rα mAb (A7R34) favors the generation of M2 phenotype macrophages by affecting the cytokine productions in T helper (Th)1 and Th2 cells...
October 22, 2017: Neuroscience
https://www.readbyqxmd.com/read/29064422/systemic-interleukin-4-administration-after-spinal-cord-injury-modulates-inflammation-and-promotes-neuroprotection
#8
Rui Lima, Susana Monteiro, José P Lopes, Pedro Barradas, Natália L Vasconcelos, Eduardo D Gomes, Rita C Assunção-Silva, Fábio G Teixeira, Mónica Morais, Nuno Sousa, António J Salgado, Nuno A Silva
Traumatic spinal cord injury (SCI) causes dramatic disability and dysfunction in the motor, sensory and autonomic systems. The severe inflammatory reaction that occurs after SCI is strongly associated with further tissue damage. As such, immunomodulatory strategies have been developed, aimed at reducing inflammation, but also at shaping the immune response in order to protect, repair and promote regeneration of spared neural tissue. One of those promising strategies is the intraspinal administration of the cytokine interleukin-4 (IL-4) that was shown to promote a phenotype on specific immune cells associated with neuroprotection and repair...
October 24, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/29063730/fibroblast-growth-factors-in-the-management-of-spinal-cord-injury
#9
REVIEW
Yulong Zhou, Zhouguang Wang, Jiawei Li, Xiaokun Li, Jian Xiao
Spinal cord injury (SCI) possesses a significant health and economic burden worldwide. Traumatic SCI is a devastating condition that evolves through two successive stages. Throughout each of these stages, disturbances in ionic homeostasis, local oedema, ischaemia, focal haemorrhage, free radicals stress and inflammatory response were observed. Although there are no fully restorative cures available for SCI patients, various molecular, cellular and rehabilitative therapies, such as limiting local inflammation, preventing secondary cell death and enhancing the plasticity of local circuits in the spinal cord, were described...
October 24, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29056364/apolipoprotein-e-as-a-novel-therapeutic-neuroprotection-target-after-traumatic-spinal-cord-injury
#10
Xiaoxin Cheng, Yiyan Zheng, Ping Bu, Xiangbei Qi, Chunling Fan, Fengqiao Li, Dong H Kim, Qilin Cao
Apolipoprotein E (apoE), a plasma lipoprotein well known for its important role in lipid and cholesterol metabolism, has also been implicated in many neurological diseases. In this study, we examined the effect of apoE on the pathophysiology of traumatic spinal cord injury (SCI). ApoE-deficient mutant (apoE(-/-)) and wild-type mice received a T9 moderate contusion SCI and were evaluated using histological and behavioral analyses after injury. At 3days after injury, the permeability of spinal cord-blood-barrier, measured by extravasation of Evans blue dye, was significantly increased in apoE(-/-) mice compared to wild type...
October 19, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29051850/functional-recovery-of-contused-spinal-cord-in-rat-with-the-injection-of-optimal-dosed-cerium-oxide-nanoparticles
#11
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/29048243/mithramycin-a-improves-functional-recovery-by-inhibiting-bscb-disruption-and-hemorrhage-after-spinal-cord-injury
#12
Jee Youn Lee, Hye Y Choi, Chan S Park, Bong G Ju, Tae Y Yune
After spinal cord injury (SCI), blood spinal cord barrier (BSCB) disruption and progressive hemorrhage lead to secondary injury, subsequent apoptosis and/or necrosis of neuron and glia, causing permanent neurological deficits. Growing evidences indicate that mithramycin A (MA), an anticancer drug, has neuroprotective effects in ischemic brain injury and Huntington's disease. However, the precise mechanism underlying its protective effects is largely unknown. Here, we examined the effect of MA on BSCB breakdown and hemorrhage as well as subsequent inflammation after SCI...
October 19, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29033188/ppp1cc-is-associated-with-astrocyte-and-microglia-proliferation-after-traumatic-spinal-cord-injury-in-rats
#13
Xiaojuan Liu, Shen Huang, Chun Liu, Xia Liu, Yuntian Shen, Zhiming Cui
Reactive astrogliosis and microgliosis after spinal cord injury (SCI) contribute to glial scar formation that impedes axonal regeneration. The mechanisms underlying reactive astrocyte and microglia proliferation upon injury remain partially understood. Protein phosphatase 1, catalytic subunit, gamma isozyme (PPP1CC) participates in cell proliferation, differentiation and apoptosis. However, the expression and functions of PPP1CC following SCI are still unknown. In this study, an acute spinal cord contusion injury model in adult rats was established to investigate the potential role of PPP1CC during the pathological process of SCI...
November 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29018286/complement-protein-c3-suppresses-axon-growth-and-promotes-neuron-loss
#14
Sheri L Peterson, Hal X Nguyen, Oscar A Mendez, Aileen J Anderson
The inflammatory response to spinal cord injury (SCI) involves localization and activation of innate and adaptive immune cells and proteins, including the complement cascade. Complement C3 is important for the classical, alternative, and lectin pathways of complement activation, and its cleavage products C3a and C3b mediate several functions in the context of inflammation, but little is known about the potential functions of C3 on regeneration and survival of injured neurons after SCI. We report that 6 weeks after dorsal hemisection with peripheral conditioning lesion, C3(-/-) mice demonstrated a 2-fold increase in sensory axon regeneration in the spinal cord in comparison to wildtype C3(+/+) mice...
October 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28967695/intravenous-immunoglobulin-for-the-treatment-of-childhood-encephalitis
#15
REVIEW
Mildred A Iro, Natalie G Martin, Michael Absoud, Andrew J Pollard
BACKGROUND: Encephalitis is a syndrome of neurological dysfunction due to inflammation of the brain parenchyma, caused by an infection or an exaggerated host immune response, or both. Attenuation of brain inflammation through modulation of the immune response could improve patient outcomes. Biological agents such as immunoglobulin that have both anti-inflammatory and immunomodulatory properties may therefore be useful as adjunctive therapies for people with encephalitis. OBJECTIVES: To assess the efficacy and safety of intravenous immunoglobulin (IVIG) as add-on treatment for children with encephalitis...
October 2, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28966691/wogonoside-alleviates-inflammation-induced-by-traumatic-spinal-cord-injury-by-suppressing-nf-%C3%AE%C2%BAb-and-nlrp3-inflammasome-activation
#16
Yonglin Zhu, Hanzhong Zhu, Zhaojie Wang, Fengguang Gao, Jingsheng Wang, Wenqiang Zhang
Wogonoside possesses anti-oxidative, anti-inflammatory, anti-allergy and anti-tumor properties. The aim of the present study was to evaluate whether wogonoside alleviates spinal cord injury (SCI)-induced inflammation via nuclear factor (NF)-κB and nucleotide-binding oligomerization domain-like receptor family pyrin domain containing 3 (NLRP3) inflammasome activation. Sprague-Dawley rats were positioned in the jaws of a calibrated aneurysm clip with a closing pressure of 55 g. The jaws were placed on the dorsal and ventral surfaces of the spinal cord and left in place for 1 min...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28948164/liver-adiposity-and-metabolic-profile-in-individuals-with-chronic-spinal-cord-injury
#17
Kathleen C Rankin, Laura C O'Brien, Liron Segal, M Rehan Khan, Ashraf S Gorgey
PURPOSE: To quantify liver adiposity using magnetic resonance imaging (MRI) and to determine its association with metabolic profile in men with spinal cord injury (SCI). MATERIALS AND METHODS: MRI analysis of liver adiposity by fat signal fraction (FSF) and visceral adipose tissue (VAT) was completed on twenty participants. Intravenous glucose tolerance test was conducted to measure glucose effectiveness (Sg) and insulin sensitivity (Si). Lipid panel, fasting glucose, glycated hemoglobin (HbA1c), and inflammatory cytokines were also analyzed...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28947081/chronic-il-33-expression-predisposes-to-virus-induced-asthma-exacerbations-by-increasing-type-2-inflammation-and-dampening-antiviral-immunity
#18
Rhiannon B Werder, Vivian Zhang, Jason P Lynch, Natale Snape, John W Upham, Kirsten Spann, Simon Phipps
BACKGROUND: Rhinovirus infection triggers acute asthma exacerbations. IL-33 is an instructive cytokine of type 2 inflammation whose expression is associated with viral load during experimental rhinovirus infection of asthmatic patients. OBJECTIVE: We sought to determine whether anti-IL-33 therapy is effective during disease progression, established disease, or viral exacerbation using a preclinical model of chronic asthma and in vitro human primary airway epithelial cells (AECs)...
September 22, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28941865/effect-of-curcumin-on-acute-spinal-cord-injury-in-mice-via-inhibition-of-inflammation-and-tak1-pathway
#19
Nanwen Zhang, Guicai Wei, Jian Ye, Lin Yang, Yunda Hong, Guisheng Liu, Huifen Zhong, Xinyi Cai
BACKGROUND: Traumatic spinal cord injury (SCI) is damage to the spinal cord that results in damaged spinal cord function. As a natural compound, curcumin has recently been shown to have anti-inflammatory and strong antioxidant activities. To investigate the effect of curcumin against acute spinal cord injury (SCI), we explored its induced effects in SCI mice. Transforming growth factor (TGF)-activated kinase 1 (TAK1) is a member of the MAPKKK family and plays an essential role in TNF, IL-1, and Toll-like receptor (TLR) signaling pathways...
February 14, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28934735/effect-of-shikonin-on-spinal-cord-injury-in-rats-via-regulation-of-hmgb1-tlr4-nf-kb-signaling-pathway
#20
Yihui Bi, Yapeng Zhu, Mingkai Zhang, Keke Zhang, Xingyi Hua, Zheng Fang, Jian Zhou, Wenjie Dai, Yixing Cui, Jun Li, Tao You
BACKGROUND/AIMS: Shikonin, a compound extracted from Zicao, has been demonstrated to hold anti-bacterial, anti-inflammatory, and anti-tumor activities in various diseases and it has been shown to protect human organs from injuries. However, the effect of shikonin on the recovery of spinal cord injury (SCI) remains unknown. This study was designed to estimate the potential therapeutic effect and underlying mechanism of shikonin on SCI in vivo. METHODS: In the study, we used HE staining, ELISA assay, transfection assay, TUNEL assay, real time PCR and Western blot to detect the effects of shikonin on spinal cord injury in rats...
2017: Cellular Physiology and Biochemistry
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