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sepsis AND anti-inflammatory

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https://www.readbyqxmd.com/read/28437839/semicarbazide-sensitive-amine-oxidase-vascular-adhesion-protein-1-inhibition-reduces-lipopolysaccharide-induced-neuroinflammation
#1
Serena Becchi, Alberto Buson, Jonathan Foot, Wolfgang Jarolimek, Bernard W Balleine
BACKGROUND AND PURPOSE: Neuroinflammation is initiated by a variety of stimuli including infections, sepsis, neurodegenerative diseases or traumatic brain injury and if not adequately controlled can lead to various degrees of neuronal damage and behavioural impairment. A critical event in the initial steps of inflammation is neutrophil extravasation. Semicarbazide sensitive amine oxidase (SSAO, also known as vascular adhesion protein 1 or VAP-1) regulates neutrophil adhesion and extravasation...
April 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28434923/deciphering-the-mechanism-of-huang-lian-jie-du-decoction-on-the-treatment-of-sepsis-by-formula-decomposition-and-metabolomics-enhancement-of-cholinergic-pathways-and-inhibition-of-hmgb-1-tlr4-nf-%C3%AE%C2%BAb-signaling
#2
Dingqiao Xu, Yan Lv, Junsong Wang, Minghua Yang, Lingyi Kong
Sepsis is the major cause of morbidity and mortality in surgical patients. Huang-Lian-Jie-Du-Decoction (HLJDD), a well-known Chinese herb formula, has long been used for the treatment of sepsis. In this investigation, by leaving one herb out each time, the four component herbs of HLJDD were reformulated to four HLJDD variants Form1-4, corresponding to the removal of Phellodendri Chinensis Cortex, Scutellariae Radix, Gardeniae Fructu and Coptidis Rhizoma, respectively. Metabolomics approach combined with histological inspection, biochemical measurement and molecular biology was used to investigate the treatment effects of HLJDD and its four variants on cecal ligation and puncture (CLP) model of sepsis, which were compared to decipher the formulating principles of HLJDD...
April 20, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28431202/pharmacological-interventions-for-acute-pancreatitis
#3
REVIEW
Elisabetta Moggia, Rahul Koti, Ajay P Belgaumkar, Federico Fazio, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: In people with acute pancreatitis, it is unclear what the role should be for medical treatment as an addition to supportive care such as fluid and electrolyte balance and organ support in people with organ failure. OBJECTIVES: To assess the effects of different pharmacological interventions in people with acute pancreatitis. SEARCH METHODS: We searched the Cochrane Central Register of Controlled Trials (CENTRAL, 2016, Issue 9), MEDLINE, Embase, Science Citation Index Expanded, and trial registers to October 2016 to identify randomised controlled trials (RCTs)...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28430717/multilateral-functional-alterations-of-human-neutrophils-in-sepsis-from-the-point-of-diagnosis-to-the-seventh-day
#4
Akira Endo, Miko Okamura, Shunsuke Yoshikawa, Yasuhiro Otomo, Tomohiro Morio
Neutrophil functional changes caused by sepsis itself and their time-course variation have not been fully elucidated because previous studies targeted patients who had received therapeutic interventions. We explored the multilateral functions of circulating neutrophils in patients with severe sepsis or septic shock who had not yet undergone interventions, and followed their changes. Patients were treated based on the Surviving Sepsis Campaign Guidelines 2012. Neutrophil functions were evaluated on days 0 (before therapeutic intervention), 3, and 7 in fifty-nine sepsis patients...
April 20, 2017: Shock
https://www.readbyqxmd.com/read/28430592/resveratrol-protects-against-early-polymicrobial-sepsis-induced-acute-kidney-injury-through-inhibiting-endoplasmic-reticulum-stress-activated-nf-%C3%AE%C2%BAb-pathway
#5
Nian Wang, Li Mao, Liu Yang, Jiang Zou, Ke Liu, Meidong Liu, Huali Zhang, Xianzhong Xiao, Kangkai Wang
Resveratrol, a polyphenol compound derived from various edible plants, protects against sepsis-induced acute kidney injury (AKI) via its anti-inflammatory activity, but the underlying mechanisms remain largely unknown. In this study, a rat model of sepsis was established by cecal ligation and puncture (CLP), 30 mg/kg resveratrol was intraperitoneally administrated immediately after the CLP operation. HK-2 cells treated by 1 μg/ml lipopolysaccharide, 0.2 μM tunicamycin, 2.5 mM irestatin 9389 and 20 μM resveratrol were used for in vitro study...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429863/abdominal-vagus-nerve-stimulation-as-a-new-therapeutic-approach-to-prevent-postoperative-ileus
#6
N Stakenborg, A M Wolthuis, P J Gomez-Pinilla, G Farro, M Di Giovangiulio, G Bosmans, E Labeeuw, M Verhaegen, I Depoortere, A D'Hoore, G Matteoli, G E Boeckxstaens
BACKGROUND: Electrical stimulation of the cervical vagus nerve (VNS) prevents postoperative ileus (POI) in mice. As this approach requires an additional cervical procedure, we explored the possibility of peroperative abdominal VNS in mice and human. METHODS: The effect of cervical and abdominal VNS was studied in a murine model of POI and lipopolysaccharide (LPS)-induced sepsis. Postoperative ileus was quantified by assessment of intestinal transit of fluorescent dextran expressed as geometric center (GC)...
April 21, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28428961/glucose-insulin-potassium-alleviates-intestinal-mucosal-barrier-injuries-involving-decreased-expression-of-uncoupling-protein-2-and-nlr-family-pyrin-domain-containing-3-inflammasome-in-polymicrobial-sepsis
#7
Jun-Liang Zhang, Yi-Ting Chen, Guang-Dao Chen, Tao Wang, Ju-Xin Zhang, Qi-Yi Zeng
Uncoupling protein 2 (UCP2) may be critical for intestinal barrier function which may play a key role in the development of sepsis, and insulin has been reported to have anti-inflammatory effects. Male Sprague-Dawley rats were randomly allocated into five groups: control group, cecal ligation and puncture (CLP) group, sham surgery group, CLP plus glucose-insulin-potassium (GIK) group, and CLP plus glucose and potassium (GK) group. Ileum tissues were collected at 24 h after surgery. Histological and cytokine analyses, intestinal permeability tests, and western blots of intestinal epithelial tight junction component proteins and UCP2 were performed...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28420477/-metabolism-of-high-density-lipoprotein-and-the-research-progress-of-its-effects-on-sepsis
#8
Meiyun Liu, Huanping Zhou, Xin Lyu
Sepsis is a high-risk factor for the death of critical patients. High density lipoprotein (HDL) are the major protective serum proteins, and the serum levels of HDL are closely related to the severity of sepsis. The anti-inflammatory and anti-oxidation properties of HDL, may be able to play an important role in the innate immune response. Thereby it may reduce the damage of septic shock and multiple organ dysfunction syndrome (MODS) in animals or human beings, and improve the prognosis. In order to unveil the metabolism of HDL in septic patients and its effects on both progression and prognosis of sepsis, this review not only focuses on the composition and structure of HDL, but also analyzes its pivotal role in inflammatory immune response and anti-oxidation...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28420476/-mechanism-of-resolvins-in-reducing-the-inflammation-reaction-in-inflammatory-diseases
#9
Shunan Cui, Shanglong Yao, You Shang
Inflammation is an important mechanism for the host to resist external infection and injury. Under normal conditions, adaptive inflammatory response not only is conducive to the repair of damaged cells and tissues, but plays an important role to promote the internal environment to restored homeostasis. However, when the immune function is damaged, the unresolved and uncontrolled inflammation will cause non-specific tissue damage, which is linked to a variety of inflammatory diseases. In the acute inflammation, resolvins, a group of endogenous small molecular lipid mediators which are biosynthesized by polyunsaturated fatty acids, possess anti-inflammatory and pro-resolving actions, which are benefit for the repair of damaged tissue...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28419526/soluble-egg-antigen-activates-m2-macrophages-via-the-stat6-and-pi3k-pathways-and-schistosoma-japonicum-alternatively-activates-macrophage-polarization-to-improve-the-survival-rate-of-septic-mice
#10
Hao Tang, Yan-Bing Liang, Zhi-Bin Chen, Lin-Lin Du, Li-Jin Zeng, Jing-Guo Wu, Wen Yang, Hua-Ping Liang, Zhong-Fu Ma
Sepsis is one of the most challenging health problems worldwide. Our previous study showed that chronic schistosoma japonica (SJ) infection might increase serum anti-inflammatory factors to play a protective role, thus improving the survival rate of septic mice. Further research revealed that SJ infection promoted J774A.1 macrophage differentiation into M2 macrophages; suppressed LPS-induced activation of M1 macrophages; up-regulated CD163, IL-10 and TGF-β1 expression; inhibited TNF-α and iNOS expression; and blocked the effect of LPS-promoted TNF-α and iNOS expression...
April 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28408624/activated-protein-c-inhibits-neutrophil-extracellular-trap-formation-in-vitro-and-activation-in-vivo
#11
Laura D Healy, Cristina Puy, José A Fernández, Annachiara Mitrugno, Ravi S Keshari, Nyiawung A Taku, Tiffany T Chu, Xiao Xu, András Gruber, Florea Lupu, John H Griffin, Owen J T McCarty
Activated protein C (APC) is a multi-functional serine protease with anticoagulant, cytoprotective, and anti-inflammatory activities. In addition to the cytoprotective effects of APC on endothelial cells, podocytes, and neurons, APC cleaves and detoxifies extracellular histones, a major component of neutrophil extracellular traps (NETs). NETs promote pathogen clearance but also can lead to thrombosis; the pathways that negatively regulate NETosis are largely unknown. Thus, we studied whether APC is capable of directly inhibiting NETosis via receptor-mediated cell signaling mechanisms...
April 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28407580/isoalantolactone-inhibits-lps-induced-inflammation-via-nf-%C3%AE%C2%BAb-inactivation-in-peritoneal-macrophages-and-improves-survival-in-sepsis
#12
Guodong He, Xu Zhang, Yanhua Chen, Jing Chen, Li Li, Yubo Xie
Sepsis, a clinical syndrome occurring in patients following infection or injury, is a leading cause of mortality worldwide. It involves uncontrolled inflammatory response resulting in multi-organ failure and even death. Isoalantolactone (IAL), a sesquiterpene lactone, is known for its anti-cancer effects. Nevertheless, little is known about the anti-inflammatory effects of IAL, and the role of IAL in sepsis is unclear. In this study, we demonstrated that IAL decreased lipopolysaccharide (LPS)-mediated production of nitric oxide, PEG2 and cytokines (IL-6, TNF-α) in peritoneal macrophages and RAW 264...
April 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28397806/corylin-protects-lps-induced-sepsis-and-attenuates-lps-induced-inflammatory-response
#13
Yung-Li Hung, Shih-Hua Fang, Shu-Chi Wang, Wei-Chung Cheng, Po-Len Liu, Chia-Cheng Su, Chi-Shuo Chen, Ming-Yii Huang, Kuo-Feng Hua, Kun-Hung Shen, Yu-Ting Wang, Katsuhiko Suzuki, Chia-Yang Li
Corylin is a main compound isolated from Psoralea corylifolia L. (Fabaceae). A variety of pharmacological effects such as antioxidant, anti-proliferation, and anti-inflammatory properties of corylin have been reported. Nevertheless, the effect of corylin in microbial infection and sepsis remains unclear. In the present study, we investigated the anti-inflammatory effects of corylin. Our experimental results demonstrated that corylin inhibited the production of TNF-α, IL-6 and NO by both LPS-activated RAW 264...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28394608/second-generation-triple-helical-peptide-inhibitors-of-matrix-metalloproteinases
#14
Manishabrata Bhowmick, Dorota Tokmina-Roszyk, Lillian Onwuha-Ekpete, Kelli Harmon, Trista Robichaud, Rita Fuerst, Roma Stawikowska, Bjorn Steffensen, William Roush, Hector R Wong, Gregg B Fields
The design of selective matrix metalloproteinase (MMP) inhibitors that also possess favorable solubility properties has proved to be especially challenging. A prior approach using collagen-model templates combined with transition state analogs produced a first generation of triple-helical peptide inhibitors (THPIs) that were effective in vitro against discrete members of the MMP family. These THPI constructs were also highly water-soluble. The present study sought improvements in the first generation THPIs by enhancing thermal stability and selectivity...
April 19, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28383060/phosphodiesterase-4b-negatively-regulates-endotoxin-activated-interleukin-1-receptor-antagonist-responses-in-macrophages
#15
Jing-Xing Yang, Kou-Chou Hsieh, Yi-Ling Chen, Chien-Kuo Lee, Marco Conti, Tsung-Hsien Chuang, Chin-Pyng Wu, S-L Catherine Jin
Activation of TLR4 by lipopolysaccharide (LPS) induces both pro-inflammatory and anti-inflammatory cytokine production in macrophages. Type 4 phosphodiesterases (PDE4) are key cAMP-hydrolyzing enzymes, and PDE4 inhibitors are considered as immunosuppressors to various inflammatory responses. We demonstrate here that PDE4 inhibitors enhance the anti-inflammatory cytokine interleukin-1 receptor antagonist (IL-1Ra) secretion in LPS-activated mouse peritoneal macrophages, and this response was regulated at the transcriptional level rather than an increased IL-1Ra mRNA stability...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28382156/theranostic-nucleic-acid-binding-nanoprobe-exerts-anti-inflammatory-and-cytoprotective-effects-in-ischemic-injury
#16
Howard H Chen, Hushan Yuan, Hoonsung Cho, Yan Feng, Soeun Ngoy, Anand T N Kumar, Ronglih Liao, Wei Chao, Lee Josephson, David E Sosnovik
Extracellular nucleic acids are proinflammatory molecules that have been implicated in a diverse range of diseases. We report here the development of a multivalent nucleic acid scavenging nanoprobe, where the fluorochrome thiazole orange (TO) is conjugated to a polymeric 40 kDa dextran carrier. Dextran-TO (Dex-TO) has nanomolar affinity for mammalian and bacterial nucleic acids and attenuates the production of inflammatory cytokines from activated macrophages exposed to DNA and RNA. Mice with myocardial ischemia reperfusion that were treated with Dex-TO showed a decrease in myocardial macrophage infiltration at 24 hours (p<0...
2017: Theranostics
https://www.readbyqxmd.com/read/28372498/innate-immune-function-and-organ-failure-recovery-in-adults-with-sepsis
#17
Aline B Maddux, Terra D Hiller, Katherine H Overdier, Laura L Pyle, Ivor S Douglas
PURPOSE: Sepsis stimulates pro- and anti-inflammatory immune responses. The innate immune response is critical to organ injury repair. We tested for an association between innate immune function and organ function recovery in a prospective cohort of immune-competent adults with sepsis. METHODS: We conducted a prospective observational cohort study enrolling immune-competent adults with sepsis. We tested innate immune function by quantification of lipopolysaccharide (LPS)-stimulated tumor necrosis factor (TNF) α production capacity in whole blood samples on hospital days 1, 4, and 6...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28369200/mortality-in-severe-hiv-tb-associates-with-innate-immune-activation-and-dysfunction-of-monocytes
#18
Saskia Janssen, Charlotte Schutz, Amy Ward, Elisa Nemes, Katalin A Wilkinson, James Scriven, Mischa A Huson, Nanne Aben, Gary Maartens, Rosie Burton, Robert J Wilkinson, Martin P Grobusch, Tom Van der Poll, Graeme Meintjes
BACKGROUND: Case fatality rates among hospitalised patients diagnosed with HIV-associated tuberculosis remain high, and tuberculosis mycobacteremia is common. We aimed to define the nature of innate immune responses associated with 12-week mortality in this population. METHODS: This prospective cohort study was conducted at Khayelitsha Hospital, Cape Town, South Africa. Hospitalised HIV-infected tuberculosis patients with CD4 counts <350 cells/µL were included; tuberculosis blood cultures were performed in all...
March 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28368519/overexpression-of-ho-1-contributes-to-sepsis-induced-immunosuppression-by-modulating-the-th1-th2-balance-and-regulatory-t-cell-function
#19
Seong-Jin Yoon, So-Jin Kim, Sun-Mee Lee
Background.: Countervailing anti-inflammatory response and immunosuppression can cause death in late sepsis. Depletion and dysfunction of T-cells are critical for developing sepsis-induced immunosuppression. Heme oxygenase (HO)-1 has a regulatory effect on differentiation and function of T-cells and anti-inflammatory properties. We therefore investigated the immunosuppressive role of HO-1 in sepsis with a focus on its effects on helper T-cell (Th) differentiation and regulatory T-cells (Treg)...
March 23, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28367457/comparative-assessment-of-cytokine-pattern-in-early-and-late-onset-of-neonatal-sepsis
#20
Kh S Khaertynov, S V Boichuk, S F Khaiboullina, V A Anokhin, A A Andreeva, V C Lombardi, M A Satrutdinov, E A Agafonova, A A Rizvanov
Neonatal sepsis is a significant health issue associated with high mortality. Immune responses associated with neonatal sepsis, such as proinflammatory cytokine production, are believed to play a central role in the pathogenesis of this disease. In the present study, serum levels of the proinflammatory cytokines TNF-α, IL1-β, and IL-6 and the anti-inflammatory cytokines IL-4 and IL-10 were evaluated for 25 subjects with neonatal sepsis. We observed that subjects with late onset of sepsis (LOS), as well as those with early onset of sepsis (EOS), had a substantial increase in serum TNF-α...
2017: Journal of Immunology Research
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