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https://www.readbyqxmd.com/read/28941865/effect-of-curcumin-on-acute-spinal-cord-injury-in-mice-via-inhibition-of-inflammation-and-tak1-pathway
#1
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
#2
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...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28933220/elucidation-of-gene-expression-patterns-in-the-brain-after-spinal-cord-injury
#3
Ahreum Baek, Sung-Rae Cho, Sung Hoon Kim
Spinal cord injury (SCI) is a devastating neurological disease. The pathophysiological mechanisms of SCI have been reported to be relevant to central nervous system injury such as brain injury. In this study, gene expression of the brain after SCI was elucidated using transcriptome analysis to characterize the temporal changes in global gene expression patterns in a SCI mouse model. Subjects were randomly classified into 3 groups: sham control, acute (3 h post-injury), and subacute (2 wk post-injury) groups...
July 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28929907/management-of-obesity-after-spinal-cord-injury-a-systematic-review
#4
M H Shojaei, S M Alaviniaa, B C Craven
CONTEXT: Individuals with chronic spinal cord injury (SCI) are susceptible to central and visceral obesity and it's metabolic consequences; consensus based guidelines for obesity management after SCI have not yet been stablished. OBJECTIVES: To identify and compare effective means of obesity management among SCI individuals. METHODS: This systematic review included English and non-English articles, published prior to April 2017 found in the PubMed/Medline, Embase, CINAHL Psychinfo and Cochrane databases...
September 20, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28901001/-early-versus-traditional-postoperative-oral-feeding-in-patients-undergoing-elective-colorectal-surgery-a-meta-analysis-of-safety-and-efficacy
#5
Kun Zhang, Sirong Cheng, Qi Zhu, Zhenguo Han
OBJECTIVE: To compare the outcomes of early oral feeding (EOF) and the traditional oral feeding (TOF) in postoperative patients with colorectal cancer using Meta-analysis. METHODS: The databases of PubMed, SCI, Ovid, The Cochrane Library, CNKI, CBM, VIP and Wanfang Data were searched to collect randomized controlled trial (RCT) about EOF versus TOF in patients undergoing elective colorectal surgery. The retrieval time span was from inception to June 1, 2016. The studies were screened according to the inclusion and exclusion criteria...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28884424/immunobiology-of-spinal-cord-injuries-and-potential-therapeutic-approaches
#6
REVIEW
Aabra Ahmed, Arun-Angelo Patil, Devendra K Agrawal
The incidence of spinal cord injuries (SCI) is high every year. As the spinal cord is the highway that allows for the brain to control the rest of the body, spinal cord injuries greatly impact the quality of life of the patients. The SCI include the primary response consisting of the initial accident-induced damage and the secondary response that is characterized by damage due to inflammation and biological responses. Astrocytes are the first to act at the site of the injury, forming a glial scar and attracting immune cells...
September 7, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28881715/activation-of-the-nrf2-are-signaling-pathway-by-probucol-contributes-to-inhibiting-inflammation-and-neuronal-apoptosis-after-spinal-cord-injury
#7
Zipeng Zhou, Chang Liu, Shurui Chen, Haosen Zhao, Kang Zhou, Wei Wang, Yajiang Yuan, Zhuo Li, Yue Guo, Zhaoliang Shen, Xifan Mei
The nuclear erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathway plays an essential role in the cellular antioxidant and anti-inflammatory responses. Spinal cord injury (SCI) results in a massive release of inflammatory factors and free radicals, which seriously compromise nerve recovery and axon regeneration. In this study, we examined the efficacy of probucol on anti-inflammatory responses and functional recovery after SCI by activating the Nrf2/ARE signaling pathway. We also investigated the mechanism by which inflammation is inhibited in this process...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28871209/hmgb1-advanced-glycation-end-products-rage-does-not-aggravate-inflammation-but-promote-endogenous-neural-stem-cells-differentiation-in-spinal-cord-injury
#8
Hongyu Wang, Xifan Mei, Yang Cao, Chang Liu, Ziming Zhao, Zhanpeng Guo, Yunlong Bi, Zhaoliang Shen, Yajiang Yuan, Yue Guo, Cangwei Song, Liangjie Bai, Yansong Wang, Deshui Yu
Receptor for advanced glycation end products (RAGE) signaling is involved in a series of cell functions after spinal cord injury (SCI). Our study aimed to elucidate the effects of RAGE signaling on the neuronal recovery after SCI. In vivo, rats were subjected to SCI with or without anti-RAGE antibodies micro-injected into the lesion epicenter. We detected Nestin/RAGE, SOX-2/RAGE and Nestin/MAP-2 after SCI by Western blot or immunofluorescence (IF). We found that neural stem cells (NSCs) co-expressed with RAGE were significantly activated after SCI, while stem cell markers Nestin and SOX-2 were reduced by RAGE blockade...
September 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28852446/effect-of-chondroitinase-abc-on-inflammatory-and-oxidative-response-following-spinal-cord-injury
#9
Mahboobe Akbari, Mohammad Khaksari, Maryam Rezaeezadeh-Roukerd, Moghaddameh Mirzaee, Mahdieh Nazari-Robati
OBJECTIVES: Chondroitinase ABC (cABC) treatment improves functional recovery following spinal cord injury (SCI) through degrading inhibitory molecules to axon growth. However, cABC involvement in other pathological processes contributing to SCI remains to be investigated. Here, we studied the effect of cABC I on oxidative stress and inflammation developed in a rat model of SCI. MATERIALS AND METHODS: Male rats (220-250 g) were divided into three groups (n=28) including rats that underwent SCI (SCI group), rats subjected to SCI and received an intrathecal injection of phosphate buffer saline (SCI+PBS group), and rats that underwent SCI and received cABC intrathecally (SCI+E group)...
July 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28851482/bioinformatics-analyses-of-pathways-and-gene-predictions-in-il-1%C3%AE-and-il-1%C3%AE-knockout-mice-with-spinal-cord-injury
#10
Zhuangchen Zhu, Defeng Wang, Wei Jiao, Guang Chen, Yan Cao, Qingfu Zhang, Junqin Wang
PURPOSE: This study aimed to explore the potential genes and pathways regulated in spinal cord injury (SCI) model mice with IL-1α and IL-1β knockout (KO). METHODS: Gene expression profile GSE70302, which includes data from injured spinal cord of 4 IL-1α-KO mice, 4 IL-1β-KO mice and 4 C57BL with 6 mice as controls was downloaded from the Gene Expression Omnibus database. The differentially expressed genes (DEGs) of the IL-1α-KO or IL-1β-KO vs. control, and IL-1α-KO vs...
August 26, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28842601/a-neuropeptide-substance-p-directly-induces-tissue-repairing-m2-like-macrophages-by-activating-the-pi3k-akt-mtor-pathway-even-in-the-presence-of-ifn%C3%AE
#11
Ji Eun Lim, Eunkyung Chung, Youngsook Son
Macrophage polarization plays an important role in tissue damage and repair. In this study, we show that Substance-P (SP) can directly induce M2 polarization of inflammatory macrophages. SP induced the differentiation of GM-CSF-differentiated pro-inflammatory macrophages into alternatively activated phagocytic M2 like macrophages (M2(SP)) through direct activation of the PI3K/Akt/mTOR/S6kinase pathway and induction of Arginase-1, CD163, and CD206, all of which were nullified by pretreatment with the neurokinin-1 receptor (NK-1R) antagonist RP67580 and specific signaling pathway inhibitors...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28828029/oral-administration-of-red-ginseng-extract-promotes-neurorestoration-after-compressive-spinal-cord-injury-in-rats
#12
Pengxiang Zhu, Keiichi Samukawa, Hiroko Fujita, Hidemasa Kato, Masahiro Sakanaka
Red ginseng and its active ingredients have been shown to decrease neuron death after brain ischemia in experimental animals. However, little is known about the effects of orally administered ginseng extract on spinal cord injury. We orally gave red ginseng extract (RGE) to rats with compressed spinal cord injury (SCI). Open-field locomotor scores were measured as indices of motor function. Histopathological changes and cytokine expressions in situ after SCI were evaluated. Compared to vehicle treatment, RGE treatment (350 mg/kg/day) significantly improved locomotor score up to levels close to those pre-SCI, prevented neuron loss, and facilitated the restoration of white matter in the spinal cord at 14 days after SCI...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28821269/age-exacerbates-microglial-activation-oxidative-stress-inflammatory-and-nox2-gene-expression-and-delays-functional-recovery-in-a-middle-aged-rodent-model-of-spinal-cord-injury
#13
Ramona E von Leden, Guzal Khayrullina, Kasey E Moritz, Kimberly R Byrnes
BACKGROUND: Spinal cord injury (SCI) among people over age 40 has been steadily increasing since the 1980s and is associated with worsened outcome than injuries in young people. Age-related increases in reactive oxygen species (ROS) are suggested to lead to chronic inflammation. The NADPH oxidase 2 (NOX2) enzyme is expressed by microglia and is a primary source of ROS. This study aimed to determine the effect of age on inflammation, oxidative damage, NOX2 gene expression, and functional performance with and without SCI in young adult (3 months) and middle-aged (12 months) male rats...
August 18, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28816099/sex-differences-of-steroid-receptor-coactivator-1-expression-after-spinal-cord-injury-in-mice
#14
Jiayu Xiao, Jiqiang Zhang, Yangang Zhao, Wenjie Huang, Zhikai Guo, Bingyin Su, Qiang Guo
OBJECTIVE: The neural functional recovery of female is often better than that of male after spinal cord injury (SCI). Evidences show that estrogen can attenuate inflammation and promote the neural survival and regeneration after SCI. SRC-1 is an essential initiation factor for the estrogen-regulated target gene transcription and plays a key role in regulating estrogen activity. However, it is not known whether and how SRC-1 mediates the neural regeneration promoted by estrogen after SCI...
August 17, 2017: Neurological Research
https://www.readbyqxmd.com/read/28815423/backbone-and-side-chain-1-h-15-n-and-13-c-resonance-assignments-of-a-novel-staphylococcal-inhibitor-of-myeloperoxidase
#15
Nicoleta T Ploscariu, Alvaro I Herrera, Srinivas Jayanthi, Thallapuranam K Suresh Kumar, Brian V Geisbrecht, Om Prakash
The bacterium Staphylococcus aureus produces an array of anti-inflammatory molecules that prevent the innate immune system from recognizing it as a pathogen and clearing it from the host. In the acute phase of inflammation, our immune system relies on neutrophils to clear invading bacteria. Recently, novel classes of secreted proteins from S. aureus, including the Extracellular Adherence Protein (EAP) family (Stapels et al., Proc Natl Acad Sci USA 111:13187-13192, 2014) and the Staphylococcal Peroxidase Inhibitor (SPIN), (unpublished work) have been identified as highly selective inhibitors acting on Neutrophil Serine Proteases (NSPs) and myeloperoxidase (MPO) respectively...
August 16, 2017: Biomolecular NMR Assignments
https://www.readbyqxmd.com/read/28810847/fev1-and-fvc-and-systemic-inflammation-in-a-spinal-cord-injury-cohort
#16
Jaime E Hart, Rebekah Goldstein, Palak Walia, Merilee Teylan, Antonio Lazzari, Carlos G Tun, Eric Garshick
BACKGROUND: Systemic inflammation has been associated with reduced pulmonary function in individuals with and without chronic medical conditions. Individuals with chronic spinal cord injury (SCI) have clinical characteristics that promote systemic inflammation and also have reduced pulmonary function. We sought to assess the associations between biomarkers of systemic inflammation with pulmonary function in a chronic SCI cohort, adjusting for other potential confounding factors. METHODS: Participants (n = 311) provided a blood sample, completed a respiratory health questionnaire, and underwent spirometry...
August 15, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28803968/acute-spinal-cord-injury-a-review-of-pathophysiology-and-potential-of-non-steroidal-anti-inflammatory-drugs-for-pharmacological-intervention
#17
REVIEW
Emrullah Hayta, Hasan Elden
Acute spinal cord injury (SCI) is one of the serious central nervous system injuries, which can lead to significant neurological impairments and a reduction in quality of life with loss in sensory and motor functions. Although recent advancements contribute to the understanding of the underlying pathophysiological processes developed after SCI, currently, there is limited innovative and effective treatment options besides conventional rehabilitation and management of SCI to alleviate the condition. Improvements in neurological functions of the individuals with SCI depend mainly on the mechanical damage occurring in the primary injury and on pathophysiological alterations associated with secondary damage...
August 10, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28779869/functional-integration-of-complex-mirna-networks-in-central-and-peripheral-lesion-and-axonal-regeneration
#18
REVIEW
M Ghibaudi, M Boido, A Vercelli
New players are emerging in the game of peripheral and central nervous system injury since their physiopathological mechanisms remain partially elusive. These mechanisms are characterized by several molecules whose activation and/or modification following a trauma is often controlled at transcriptional level. In this scenario, microRNAs (miRNAs/miRs) have been identified as main actors in coordinating important molecular pathways in nerve or spinal cord injury (SCI). miRNAs are small non-coding RNAs whose functionality at network level is now emerging as a new level of complexity...
August 2, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28767631/neuroprotective-effects-of-c-terminal-domain-of-tetanus-toxin-on-rat-brain-against-motorneuron-damages-after-experimental-spinal-cord-injury
#19
Murat Celal Sozbilen, Murat Oztürk, Gizem Kaftan, Taner Dagci, Halit Ozyalcin, Güliz Armagan
STUDY DESIGN: Experimental animal study investigating the efficacy of C-terminal domain of tetanus toxin application as neuroprotective effects on rat brain in a model of spinal cord injury. OBJECTIVE: The aim of the present study was to investigate the possible role of C-terminal domain of tetanus toxin (Hc-TeTx) on cell death mechanisms including apoptosis and autophagy following SCI. SUMMARY OF BACKGROUND DATA: Traumatic spinal cord injury (SCI) can lead to post-traumatic inflammation, oxidative stress, motor neuron apoptosis, necrosis and autophagy of tissue...
August 1, 2017: Spine
https://www.readbyqxmd.com/read/28758566/the-influence-of-level-of-spinal-cord-injury-on-adipose-tissue-and-its-relationship-to-inflammatory-adipokines-and-cardiometabolic-profiles
#20
Gary J Farkas, Ashraf S Gorgey, David R Dolbow, Arthur S Berg, David R Gater
OBJECTIVE: Level of injury (LOI) and the role of adipose tissue and its proinflammatory adipokines in cardiometabolic dysfunction following spinal cord injury (SCI) remains poorly understood. We aim to examine the influence of LOI on adipose tissue and its relationship to proinflammatory adipokines and cardiometabolic profiles following SCI. DESIGN: Cross sectional and correlational study. SETTING: Clinical hospital and academic setting. PARTICIPANTS: Forty-seven individuals with chronic motor complete SCI (age 43...
July 30, 2017: Journal of Spinal Cord Medicine
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