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Acute inflammatory response

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https://www.readbyqxmd.com/read/28527161/prognostic-indicators-of-response-to-plasmapheresis-in-patients-of-guillain-barre-syndrome
#1
H B Prasad, R T Borse, A N Avate, Assistant Professor In Medicine Palasdeokar
INTRODUCTION: Plasmapheresis is an important modality for the treatment of GBS. Moreover the response to this treatment modality is not same in all cases. We therefore studied the various prognostic indicators of response to plasmapheresis in patients of Guillain Barre Syndrome. MATERIAL AND METHODS: 40 patients were included in the study. Thorough clinical examination was done. Nerve conduction was done to find out the type of neuropathy. All were then given plasmapheresis...
April 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28526870/time-course-responses-of-circulating-micrornas-to-three-resistance-training-protocols-in-healthy-young-men
#2
Shufang Cui, Biao Sun, Xin Yin, Xia Guo, Dingming Chao, Chunni Zhang, Chen-Yu Zhang, Xi Chen, Jizheng Ma
Circulating microRNAs (c-miRNAs) in human plasma have been described as a potential marker of exercise. The present study investigated the effects of three acute resistance training (RT) protocols on the time-course changes of the c-miRNAs profiles in young males. The subjects (n = 45) were randomly divided into three groups: muscular strength endurance (SE), muscular hypertrophy (MH) and maximum strength (MS). Venous blood samples were obtained before exercise and immediately, 1 h and 24 h after each RT protocol to assess the following biological parameters: c-miRNAs, anabolic and catabolic hormones, inflammatory cytokines and muscle damage markers...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526535/tnf-%C3%AE-is-superior-to-conventional-inflammatory-mediators-in-forecasting-ivig-nonresponse-and-coronary-arteritis-in-chinese-children-with-kawasaki-disease
#3
Peng Hu, Guang Mei Jiang, Yue Wu, Bao Yu Huang, Si Yan Liu, Dong Dong Zhang, Yao Xu, Yang Fang Wu, Xun Xia, Wei Wei, Bo Hu
BACKGROUND: Tumor necrosis factor (TNF) -α is of inflammatory cytokines produced chiefly by activated monocyte/macrophages, and has been implicated in the pathogenesis of Kawasaki disease (KD). We elucidated the relationship of plasma TNF-α with conventional inflammatory mediators, clinical classification, intravenous immunoglobulin (IVIG) response and coronary arteritis in the course of KD. METHODS: Seventy Chinese children with KD were enrolled and divided into 6 subgroups, including complete KD, incomplete KD, IVIG-responsive KD, IVIG-nonresponsive KD, coronary artery (CA) -noninvolvement KD and CA-involvement KD...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28525795/the-role-of-secretory-phospholipases-as-therapeutic-targets-for-the-treatment-of-myocardial-ischemia-reperfusion-injury
#4
REVIEW
Sriram Ravindran, Gino A Kurian
Myocardial reperfusion injury is a consequence of restoration of blood flow post ischemia. It is a complex process involving an acute inflammatory response activated by cytokines, chemokines, growth factors, and mediated by free radicals, calcium overload leading to mitochondrial dysfunction. Secretory phospholipases (sPLA2) are a group of pro-inflammatory molecules associated with diseases such as atherosclerosis, which increase the risk of reperfusion injury. This acute response leads to breakdown of phospholipids such as cardiolipin, found in the mitochondrial inner membrane, leading to disruption of energy producing enzymes of the electron transport chain...
May 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28525670/hemoadsorption-treatment-of-patients-with-acute-infective-endocarditis-during-surgery-with-cardiopulmonary-bypass-a-case-series
#5
Karl Träger, Christian Skrabal, Guenther Fischer, Thomas Datzmann, Janpeter Schroeder, Daniel Fritzler, Jan Hartmann, Andreas Liebold, Helmut Reinelt
INTRODUCTION: Infective endocarditis is a serious disease condition. Depending on the causative microorganism and clinical symptoms, cardiac surgery and valve replacement may be needed, posing additional risks to patients who may simultaneously suffer from septic shock. The combination of surgery bacterial spreadout and artificial cardiopulmonary bypass (CPB) surfaces results in a release of key inflammatory mediators leading to an overshooting systemic hyperinflammatory state frequently associated with compromised hemodynamic and organ function...
May 19, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28524175/modulators-of-microglial-activation-and-polarization-after-intracerebral-haemorrhage
#6
REVIEW
Xi Lan, Xiaoning Han, Qian Li, Qing-Wu Yang, Jian Wang
Intracerebral haemorrhage (ICH) is the most lethal subtype of stroke but currently lacks effective treatment. Microglia are among the first non-neuronal cells on the scene during the innate immune response to ICH. Microglia respond to acute brain injury by becoming activated and developing classic M1-like (proinflammatory) or alternative M2-like (anti-inflammatory) phenotypes. This polarization implies as yet unrecognized actions of microglia in ICH pathology and recovery, perhaps involving microglial production of proinflammatory or anti-inflammatory cytokines and chemokines...
May 19, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28523173/thrombotic-responses-to-coronary-stents-bioresorbable-scaffolds-and-the-kounis-hypersensitivity-associated-acute-thrombotic-syndrome
#7
REVIEW
Nicholas G Kounis, Ioanna Koniari, Anastasios Roumeliotis, Grigorios Tsigas, George Soufras, Nicholas Grapsas, Periklis Davlouros, George Hahalis
Percutaneous transluminal coronary angioplasty with coronary stent implantation is a life-saving medical procedure that has become, nowadays, the most frequent performed therapeutic procedure in medicine. Plain balloon angioplasty, bare metal stents, first and second generation drug-eluting stents, bioresorbable and bioabsorbable scaffolds have offered diachronically a great advance against coronary artery disease and have enriched our medical armamentarium. Stented areas constitute vulnerable sites for endothelial damage, endothelial dysfunction, flow turbulence, hemorheologic changes, platelet dysfunction, coagulation changes and fibrinolytic disturbances...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28521882/cholesterol-metabolites-alleviate-injured-liver-function-and-decrease-mortality-in-an-lps-induced-mouse-model
#8
Yanxia Ning, Jin Kyung Kim, Hae-Ki Min, Shunlin Ren
BACKGROUND: Oxysterol sulfation plays a fundamental role in the regulation of many biological events. Its products, 25-hydroxycholesterol 3-sulfate (25HC3S) and 25-hydroxycholesterol 3, 25-disulfate (25HCDS), have been demonstrated to be potent regulators of lipid metabolism, inflammatory response, cell apoptosis, and cell survival. In the present study, we tested these products' potential to treat LPS-induced acute liver failure in a mouse model. METHODS: Acute liver failure mouse model was established by intravenous injection with LPS...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28521634/chorionic-histiocytic-hyperplasia-is-associated-with-chronic-inflammatory-lesions-in-the-placenta
#9
Philip J Katzman, Leon A Metlay, Loralee A McMahon, Li LiQiong, Bin Zhang
Background Chorionic histiocytic hyperplasia (CHH) is a cellular proliferation at the base of the chorion that was identified by the authors in examining placentas for chronic chorioamnionitis (CC). This study is a retrospective review of cases diagnosed with CHH, describing its incidence alone and with associated lesions, and the immunophenotype of lesional cells. Design In this retrospective study, a laboratory information system search over a 34-month period using the key phrase "chorionic stromal" was performed...
June 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28521300/inhibition-of-nuclear-factor-%C3%AE%C2%BAb-signal-by-pyrrolidine-dithiocarbamate-alleviates-lipopolysaccharide-induced-acute-lung-injury
#10
Hongfu Yang, Rongqing Sun, Ning Ma, Qilong Liu, Xiaoge Sun, Panpan Zi, Junsheng Wang, Ke Chao, Lei Yu
This study mainly studied the effect of inhibition of nuclear factor-κB (NF-κB) signal by pyrrolidine dithiocarbamate (PDTC) on lipopolysaccharide (LPS)-induced inflammatory response, oxidative stress, and mitochondrial dysfunction in a murine acute lung injury model. The results showed that LPS exposure activated NF-κB and its upstream proteins and caused lung inflammation, oxidative stress, and mitochondrial dysfunction in mice. While inhibition of NF-κB by PDTC adminstration alleviated LPS-induced generation of lymphocytes, IL-1β, and TNF-α...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28520694/metabolic-inflammatory-complex-in-sepsis-septic-cachexia-as-a-novel-potential-therapeutic-target
#11
Masao Kaneki
Despite several decades of focused investigation, sepsis remains a major cause of mortality in critically ill patients. Advancements in intensive care have enabled more patients to survive the acute phase of sepsis than previously, but a growing number of them progress to chronic critical illness. The failure of previous randomized clinical trials of anti-inflammatory agents to show any pro-survival benefit in septic patients underscores current thought that simple anti-inflammatory strategies are ineffective because the inhibitory effect of anti-inflammatory agents undermines the immune response to pathogens...
May 17, 2017: Shock
https://www.readbyqxmd.com/read/28520165/targeting-ccl4-induced-liver-fibrosis-by-rna-interference-mediated-inhibition-of-cyclin-e1-in-mice
#12
Jörg-Martin Bangen, Linda Hammerich, Roland Sonntag, Maike Baues, Ute Haas, Daniela Lambertz, Thomas Longerich, Twan Lammers, Frank Tacke, Christian Trautwein, Christian Liedtke
Initiation and progression of liver fibrosis requires proliferation and activation of resting hepatic stellate cells (HSC). Cyclin E1 (CcnE1) is the regulatory subunit of the Cyclin-dependent Kinase 2 (Cdk2) and controls cell cycle re-entry. We have recently shown that genetic inactivation of CcnE1 prevents activation, proliferation and survival of HSC and protects from liver fibrogenesis. The aim of the present study was to translate these findings into pre-clinical applications using an RNAi-based approach...
May 18, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28518078/non-invasive-in-vivo-fluorescence-optical-imaging-of-inflammatory-mmp-activity-using-an-activatable-fluorescent-imaging-agent
#13
Johannes Schwenck, Florian C Maier, Manfred Kneilling, Stefan Wiehr, Kerstin Fuchs
This paper describes a non-invasive method for imaging matrix metalloproteinases (MMP)-activity by an activatable fluorescent probe, via in vivo fluorescence optical imaging (OI), in two different mouse models of inflammation: a rheumatoid arthritis (RA) and a contact hypersensitivity reaction (CHR) model. Light with a wavelength in the near infrared (NIR) window (650 - 950 nm) allows a deeper tissue penetration and minimal signal absorption compared to wavelengths below 650 nm. The major advantages using fluorescence OI is that it is cheap, fast and easy to implement in different animal models...
May 8, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28515743/acute-phase-proteins-and-oxidative-stress-in-patients-undergoing-coronary-artery-bypass-graft-comparison-of-cardioplegia-strategy
#14
Dariusz Plicner, Jarosław Stoliński, Anna Rzucidło-Hymczak, Bogusław Kapelak, Anetta Undas
INTRODUCTION: Several strategies are still being introduced to cardiac surgery techniques to reduce the signs of the inflammatory response and oxidative stress. Many efforts have been made to develop the best possible method for myocardial protection. AIM: To assess the effect of the cardioplegia strategy on the systemic inflammatory response and oxidative stress. MATERIAL AND METHODS: A group of 238 consecutive, elective on-pump coronary artery bypass graft patients (CABG; 183 men, aged 64...
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28515227/frontline-science-eosinophil-deficient-mbp-1-and-epx-double-knockout-mice-link-pulmonary-remodeling-and-airways-dysfunction-with-type-2-inflammation
#15
Sergei I Ochkur, Alfred D Doyle, Elizabeth A Jacobsen, William E LeSuer, Wen Li, Cheryl A Protheroe, Katie R Zellner, Dana Colbert, HuaHao H Shen, Charlie G Irvin, James J Lee, Nancy A Lee
Eosinophils and the release of cationic granule proteins have long been implicated in the development of the type 2-induced pathologies linked with respiratory inflammation. Paradoxically, the ablation of the two genes encoding the most abundant of these granule proteins, major basic protein-1 (MBP-1) and eosinophil peroxidase (EPX), results in a near collapse of eosinophilopoiesis. The specificity of this lineage ablation and the magnitude of the induced eosinopenia provide a unique opportunity to clarify the importance of eosinophils in acute and chronic inflammatory settings, as well as to identify potential mechanism(s) of action linked with pulmonary eosinophils in those settings...
May 17, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28515224/activin-a-regulates-activation-of-mouse-neutrophils-by-smad3-signalling
#16
Yan Qi, Jingyan Ge, Chunhui Ma, Na Wu, Xueling Cui, Zhonghui Liu
Activin A, a member of the transforming growth factor beta superfamily, acts as a pro-inflammatory factor in acute phase response, and influences the pathological progress of neutrophil-mediated disease. However, whether activin A can exert an effect on the activities of neutrophils remains unclear. In this study, we found that the release of activin A was enhanced from neutrophils of mouse when stimulated with lipopolysaccharide. Furthermore, neutrophils were not only the source of activin A but also the target cells in response to activin A, in which canonical activin signalling components existed, and levels of ACTRIIA, SMAD3 and p-SMAD3 proteins were elevated in activin A-treated neutrophils...
May 2017: Open Biology
https://www.readbyqxmd.com/read/28515173/heme-oxygenase-1-mitigates-ferroptosis-in-renal-proximal-tubule-cells
#17
Oreoluwa Adedoyin, Ravindra Boddu, Amie M Traylor, Jeremie M Lever, Subhashini Bolisetty, James George, Anupam Agarwal
Ferroptosis is an iron-dependent form of regulated, non-apoptotic cell death, which contributes to damage in models of acute kidney injury (AKI). Heme oxygenase-1 (HO-1) is a cytoprotective enzyme induced in response to cellular stress, and is protective against AKI due to its anti-apoptotic and anti-inflammatory properties. However, the role of HO-1 in regulating ferroptosis is unclear. The purpose of this study was to elucidate the role of HO-1 in regulating ferroptotic cell death in renal proximal tubule cells (PTCs)...
May 17, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28515172/cross-sex-transplantation-alters-gene-expression-and-enhances-inflammatory-response-in-the-transplanted-kidneys
#18
Lei Wang, Jiangping Song, Shaohui Wang, Jacentha Buggs, Rongjun Chen, Jie Zhang, Liqing Wang, Song Rong, Wenbin Li, Jin Wei, Ruisheng Liu
Kidney transplantation (KTX) is a life-saving procedure for patients with end-stage renal disease. Expression levels of many genes in kidney vary between males and females which may play an essential role in the sex differences in graft function. However, whether these differences are affected after cross-sex-KTX is unknown. In the present study, we assessed post-operative changes in genotype, function and inflammatory responses of the grafts in same-sex and cross-sex-KTX. Single kidney transplants were performed between same and different sex C57BL/6 mice paired into 4 combination groups: female donor/female recipient (F/F); male donor/male recipient (M/M); female donor/male recipient (F/M); and male donor/female recipient (M/F)...
May 17, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28515150/receptor-for-advanced-glycation-end-products-is-targeted-by-fbxo10-for-ubiquitination-and-degradation
#19
John Evankovich, Travis Lear, Alison Mckelvey, Sarah Dunn, James Londino, Yuan Liu, Bill B Chen, Rama K Mallampalli
The receptor for advanced glycation end products (RAGE) is a highly expressed cell membrane receptor serving to anchor lung epithelia to matrix components, and it also amplifies inflammatory signaling during acute lung injury. However, mechanisms that regulate its protein concentrations in cells remain largely unknown. Here we show that RAGE exhibits an extended life span in lung epithelia (t½ 6 h), is monoubiquitinated at K374, and is degraded in lysosomes. The RAGE ligand ODN2006, a synthetic oligodeoxynucleotide resembling pathogenic hypomethylated CpG DNA, promotes rapid lysosomal RAGE degradation through activation of protein kinase C zeta (PKCζ), which phosphorylates RAGE...
May 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28512033/bifidobacterium-cect-7765-modulates-early-stress-induced-immune-neuroendocrine-and-behavioral-alterations-in-mice
#20
A Moya-Pérez, A Perez-Villalba, A Benítez-Páez, I Campillo, Y Sanz
Emerging evidence suggests that there is a window of opportunity within the early developmental period, when microbiota-based interventions could play a major role in modulating the gut-brain axis and, thereby, in preventing mood disorders. This study aims at evaluating the effects and mode of action of Bifidobacterium pseudocatenulatum CECT 7765 in a murine model of chronic stress induced by maternal separation (MS). C57Bl/6J male breast-fed pups were divided into four groups, which were subjected or not to MS and supplemented with placebo or B...
May 13, 2017: Brain, Behavior, and Immunity
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