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Inflammation research

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https://www.readbyqxmd.com/read/28922728/hepatoprotective-effect-of-fraxin-against-carbon-tetrachloride-induced-hepatotoxicity-in-vitro-and-in-vivo-through-regulating-hepatic-antioxidant-inflammation-response-and-the-mapk-nf-%C3%AE%C2%BAb-signaling-pathway
#1
Xiaofeng Niu, Fang Liu, Weifeng Li, Wenbing Zhi, Qing Yao, Jinmeng Zhao, Guoxiang Yang, Xiumei Wang, Lin Qin, Zehong He
Fraxin, a main active component isolated from Cortex Fraxini, possesses a variety of bioactivities. However, there is a research gap in studies related to the hepatoprotective activity of fraxin against carbon tetrachloride (CCl4)-induced liver damage has been rarely studied. Thus, the purpose of this study is to evaluate the protective effect of fraxin against CCl4-induced liver damage in mice as well as in HepG2 cells, in addition to further improve the underlying mechanisms of hepatoprotective effect for fraxin...
September 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28922285/what-where-and-why-exploring-fluorodeoxyglucose-pet-s-ability-to-localise-and-differentiate-infection-from-cancer
#2
Abby Douglas, Eddie Lau, Karin Thursky, Monica Slavin
PURPOSE OF REVIEW: To review the utility of FDG-PET imaging in detecting the cause of fever and infection in patients with cancer. RECENT FINDINGS: FDG-PET has been shown to have high sensitivity and accuracy for causes of neutropenic fever, leading to higher diagnostic certainty in this group. Recent advances in pathogen-specific labelling in PET to identify Aspergillus spp. and Yersinia spp. infections in mice, as well as differentiating between Gram-positive, Gram-negative and mycobacterial infections are promising...
September 15, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28922235/perioperative-inflammation-and-its-modulation-by-anesthetics
#3
Jan Rossaint, Alexander Zarbock
Surgery and other invasive procedures, which are routinely performed during general anesthesia, may induce an inflammatory response in the patient. This inflammatory response is an inherent answer of the body to the intervention and can be both beneficial and potentially harmful. The immune system represents a unique evolutionary achievement equipping higher organisms with an effective defense mechanism against exogenous pathogens. However, not only bacteria might evoke an immune response but also other noninfectious stimuli like the surgical trauma or mechanical ventilation may induce an inflammatory response of varying degree...
September 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28922052/applications-of-emerging-transmission-electron-microscopy-technology-in-pcd-research-and-diagnosis
#4
Amelia Shoemark
Primary Ciliary Dyskinesia (PCD) is a heterogeneous genetic condition characterized by dysfunction of motile cilia. Patients suffer from chronic infection and inflammation of the upper and lower respiratory tract. Diagnosis of PCD is confirmed by identification of a hallmark defect of ciliary ultrastructure or by identification of biallelic pathogenic mutations in a known PCD gene. Since the first description of PCD in 1976, assessment of ciliary ultrastructure by transmission electron microscopy (TEM) has been central to diagnosis and research...
September 18, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28921870/detection-and-genetic-characterization-of-porcine-circovirus-type-3-in-italy
#5
S Faccini, I Barbieri, A Gilioli, G Sala, L R Gibelli, A Moreno, C Sacchi, C Rosignoli, G Franzini, A Nigrelli
Porcine circovirus type 3 (PCV3) was recently proposed as a new porcine circovirus. It has been described by researchers in the USA and China and associated with porcine dermatitis and nephropathy syndrome, reproductive failure and systemic inflammation disease. The study reports the occurrence of the new virus in Italy. PCV3 was detected in the tissues of foetuses and stillborn piglets coming from two farms located in the Po Valley. The genome sequences of the two Italian strains share 99.7% to 97.8% of nucleotide identity with those available in GenBank...
September 17, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28921585/allergooncology-opposite-outcomes-of-immune-tolerance-in-allergy-and-cancer
#6
E Jensen-Jarolim, H J Bax, R Bianchini, S Crescioli, T R Daniels-Wells, D Dombrowicz, E Fiebiger, H J Gould, S Irshad, J Janda, D H Josephs, F Levi-Schaffer, L O Mahony, G Pellizzari, M L Penichet, F Redegeld, F Roth-Walter, J Singer, E Untersmayr, L Vangelista, S N Karagiannis
While desired for the cure of allergy, regulatory immune cell subsets and non-classical Th2-biased inflammatory mediators in the tumour microenvironment can contribute to immune suppression and escape of tumours from immunological detection and clearance. A key aim in the cancer field is therefore to design interventions that can break immunological tolerance and halt cancer progression, whereas on the contrary allergen immunotherapy exactly aims to induce tolerance. In this position paper, we review insights on immune tolerance derived from allergy and from cancer inflammation, focusing on what is known about the roles of key immune cells and mediators...
September 16, 2017: Allergy
https://www.readbyqxmd.com/read/28921399/artesunate-inhibits-renal-ischemia-reperfusion-stimulated-lung-inflammation-in-rats-by-activating-ho-1-pathway
#7
Zhaohui Liu, Junjie Zhang, Shitong Li, Jihong Jiang
Artesunate (AS), a semi-synthetic derivative of Artemisia, has been shown to exert a wide range of pharmacological effects, such as anti-inflammatory and antioxidant functions. However, the protective functions of AS on renal ischemia reperfusion injury (RIR)-stimulated lung inflammation remain unclear. In this research, acute lung injury (ALI) was stimulated by renal ischemia reperfusion injury (RIR). AS (15 mg/kg) was intraperitoneal administrated to rat 1 h before RIR stimulation. Serum and pulmonary NO, MDA, IL-6, MIP-2, and PGE2 levels, arterial blood gas and biochemistry, lung wet/dry weight ratio and MPO activity, total cell number and protein concentration in BALF, tissue histology, and NF-κB expression were determined...
September 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28920886/retinal-layer-segmentation-in-multiple-sclerosis-a-systematic-review-and-meta-analysis
#8
Axel Petzold, Laura J Balcer, Peter A Calabresi, Fiona Costello, Teresa C Frohman, Elliot M Frohman, Elena H Martinez-Lapiscina, Ari J Green, Randy Kardon, Olivier Outteryck, Friedemann Paul, Sven Schippling, Patrik Vermersch, Pablo Villoslada, Lisanne J Balk
BACKGROUND: Structural retinal imaging biomarkers are important for early recognition and monitoring of inflammation and neurodegeneration in multiple sclerosis. With the introduction of spectral domain optical coherence tomography (SD-OCT), supervised automated segmentation of individual retinal layers is possible. We aimed to investigate which retinal layers show atrophy associated with neurodegeneration in multiple sclerosis when measured with SD-OCT. METHODS: In this systematic review and meta-analysis, we searched for studies in which SD-OCT was used to look at the retina in people with multiple sclerosis with or without optic neuritis in PubMed, Web of Science, and Google Scholar between Nov 22, 1991, and April 19, 2016...
October 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28920587/complement-in-cancer-untangling-an-intricate-relationship
#9
REVIEW
Edimara S Reis, Dimitrios C Mastellos, Daniel Ricklin, Alberto Mantovani, John D Lambris
In tumour immunology, complement has traditionally been considered as an adjunctive component that enhances the cytolytic effects of antibody-based immunotherapies, such as rituximab. Remarkably, research in the past decade has uncovered novel molecular mechanisms linking imbalanced complement activation in the tumour microenvironment with inflammation and suppression of antitumour immune responses. These findings have prompted new interest in manipulating the complement system for cancer therapy. This Review summarizes our current understanding of complement-mediated effector functions in the tumour microenvironment, focusing on how complement activation can act as a negative or positive regulator of tumorigenesis...
September 18, 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28919592/the-study-on-the-lives-and-health-conditions-of-internees-in-santo-thomas-camp-of-philippines-based-on-mcanlis-s-the-war-in-manila-1941-1945
#10
Jueyeon Lee, Youngsoo Cho
When Japan invaded the Philippines, two missionary dentists (Dr. McAnlis and Dr. Boots) who were forced to leave Korea were captured and interned in the Santo Thomas camp in Manila. Japan continued to bombard and plunder the Philippines in the wake of the Pacific War following the Great East Asia policy, leading to serious inflation and material deficiency. More than 4,000 Allied citizens held in Santo Thomas camp without basic food and shelter. Santo Thomas Camp was equipped with the systems of the Japanese military medical officers and Western doctors of captivity based on the Geneva Conventions(1929)...
August 2017: Ŭi Sahak
https://www.readbyqxmd.com/read/28918190/autophagy-inflammation-and-immune-dysfunction-in-the-pathogenesis-of-pancreatitis
#11
REVIEW
Anna S Gukovskaya, Ilya Gukovsky, Hana Algül, Aida Habtezion
Pancreatitis is a common disorder with significant morbidity and mortality, yet little is known about its pathogenesis and there is no specific or effective treatment. Its development involves dysregulated autophagy and unresolved inflammation, demonstrated by studies in genetic and experimental mouse models. Disease severity depends on whether the inflammatory response resolves or amplifies, leading to multi-organ failure. Dysregulated autophagy might promote the inflammatory response in the pancreas. We discuss the roles of autophagy and inflammation in pancreatitis, mechanisms of deregulation, and connections among disordered pathways...
September 13, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28918137/reticulo-rumen-mass-epithelium-gene-expression-and-systemic-biomarkers-of-metabolism-and-inflammation-in-holstein-dairy-cows-fed-a-high-energy-diet
#12
J M Arroyo, A Hosseini, Z Zhou, A Alharthi, E Trevisi, J S Osorio, J J Loor
Feeding a higher-energy diet by increasing cereal grains at the expense of forage during the last 3 to 4 wk prepartum is a traditional approach to help the rumen "adapt" to the traditional diets fed at the onset of lactation. Increasing grain/concentrate in the diet changes ruminal fermentation and in sheep and goats elicits marked changes in mRNA expression of immune-related genes in ruminal epithelium. Whether such changes at the epithelial and systemic levels occur in dairy cows when the dietary energy content increases at a fixed level of concentrate is unknown...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28916973/myeloperoxidase-can-differentiate-between-sepsis-and-non-infectious-sirs-and-predicts-mortality-in-intensive-care-patients-with-sirs
#13
Irene T Schrijver, Hans Kemperman, Mark Roest, Jozef Kesecioglu, Dylan W de Lange
BACKGROUND: Systemic inflammatory response syndrome (SIRS) is a clinical syndrome following inflammation. Clinically, it is difficult to distinguish SIRS following an infection, i.e., sepsis, from non-infectious SIRS. Myeloperoxidase is a hemeprotein stored in the neutrophil azurophilic granules and is one of the main pillars of neutrophil attack. Therefore, we hypothesized that myeloperoxidase can differentiate between sepsis and non-infectious SIRS in patients with systemic inflammatory response syndrome in the intensive care unit (ICU)...
September 15, 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28916390/il-33-receptor-st2-deficiency-attenuates-renal-ischaemia-reperfusion-injury-in-euglycaemic-but-not-streptozotocin-induced-hyperglycaemic-mice
#14
M Sehnine, M Ferhat, S Sena, J M Gombert, J M Goujon, A Thierry, G Touchard, T Hauet, A Herbelin, S Hadjadj
AIM: Kidney hypoxia can predispose to the development of acute and chronic renal failure in diabetes. Ischaemia-reperfusion injury (IRI) causes inflammation, and diabetes is known to exacerbate this inflammatory response in the kidney, whereas alarmin IL-33 could act as an innate immune mediator during kidney IRI. Thus, the present study examined the impact of genetic IL-33 receptor ST2 deficiency (ST2-/-) on renal IRI in euglycaemic and hyperglycaemic mice. METHODS: Hyperglycaemia was induced with streptozotocin (STZ) in adult male C57BL/6JRj wild-type (WT) mice and ST2-/- mice...
September 12, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28916287/effects-of-anti-inflammatory-compounds-on-sulfur-mustard-injured-cells-recommendations-and-caveats-suggested-by-in-vitro-cell-culture-models
#15
Georg Menacher, Dirk Steinritz, Annette Schmidt, Tanja Popp, Franz Worek, Thomas Gudermann, Horst Thiermann, Frank Balszuweit
Sulfur mustard (SM) is a vesicant agent who had its first military use 100 years ago, in Ypres. Since then it has been used in several conflicts like the Iran-Iraq war in the 1980s. The use of SM in Syria 2015 indicated the still existing threat. Despite decades of research no causal antidote against SM intoxication is available, so far. A SM intoxication is accompanied by necrosis, apoptosis and inflammation. To counteract the SM-induced inflammation, glucocorticoids and non-steroidal anti-inflammatory compounds (NSAIDs) are recommended...
September 12, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28915873/a-prospective-cohort-study-on-ambient-air-pollution-and-respiratory-morbidities-including-childhood-asthma-in-adolescents-from-the-western-cape-province-study-protocol
#16
Toyib Olaniyan, Mohamed Jeebhay, Martin Röösli, Rajen Naidoo, Roslynn Baatjies, Nino Künzil, Ming Tsai, Mark Davey, Kees de Hoogh, Dilys Berman, Bhawoodien Parker, Joy Leaner, Mohamed Aqiel Dalvie
BACKGROUND: There is evidence from existing literature that ambient air pollutant exposure in early childhood likely plays an important role in asthma exacerbation and other respiratory symptoms, with greater effect among asthmatic children. However, there is inconclusive evidence on the role of ambient air pollutant exposures in relation to increasing asthma prevalence as well as asthma induction in children. At the population level, little is known about the potential synergistic effects between pollen allergens and air pollutants since this type of association poses challenges in uncontrolled real life settings...
September 16, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28915321/regulation-and-functions-of-the-renin-angiotensin-system-in-white-and-brown-adipose-tissue
#17
Mandana Pahlavani, Nishan S Kalupahana, Latha Ramalingam, Naima Moustaid-Moussa
The renin angiotensin system (RAS) is a major regulator of blood pressure, fluid, and electrolyte homeostasis. RAS precursor angiotensinogen (Agt) is cleaved into angiotensin I (Ang I) and II (Ang II) by renin and angiotensin converting enzyme (ACE), respectively. Major effects of Ang II, the main bioactive peptide of this system, is mediated by G protein coupled receptors, Angiotensin Type 1 (AGTR1, AT1R) and Type 2 (AGTR2, AT2R) receptors. Further, the discovery of additional RAS peptides such as Ang 1-7 generated by the action of another enzyme ACE2 identified novel functions of this complex system...
September 12, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28911655/therapeutic-effects-of-d-aspartate-in-a-mouse-model-of-multiple-sclerosis
#18
Sanaz Afraei, Antimo D'Aniello, Reza Sedaghat, Parvin Ekhtiari, Gholamreza Azizi, Nakisa Tabrizian, Laura Magliozzi, Zahra Aghazadeh, Abbas Mirshafiey
Experimental autoimmune encephalomyelitis (EAE) is an animal model of multiple sclerosis. EAE is mainly mediated by adaptive and innate immune responses that leads to an inflammatory demyelization and axonal damage. The aim of the present research was to examine the therapeutic efficacy of D-aspartic acid (D-Asp) on a mouse EAE model. EAE induction was performed in female C57BL/6 mice by myelin 40 oligodendrocyte glycoprotein (35-55) in a complete Freund's adjuvant emulsion, and D-Asp was used to test its efficiency in the reduction of EAE...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911210/a20-an-essential-component-of-the-ubiquitin-editing-protein-complex-is-a-negative-regulator-of-inflammation-in-human-myometrium-and-foetal-membranes
#19
Martha Lappas
STUDY QUESTION: Does A20 regulate mediators involved in the terminal processes of human labour in primary myometrial and amnion cells? SUMMARY ANSWER: A20 is a nuclear factor-kappa B (NF-κB) responsive gene that acts as a negative regulator of NF-κB-induced expression of pro-labour mediators. WHAT IS KNOWN ALREADY: Inflammation is commonly implicated in spontaneous preterm birth and the processes involved in rupture of foetal membranes and uterine contractions...
September 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28911148/age-related-anabolic-resistance-of-myofibrillar-protein-synthesis-is-exacerbated-in-obese-inactive-individuals
#20
Benoit Smeuninx, James Mckendry, Daisy Wilson, Una Martin, Leigh Breen
Context: A diminished muscle anabolic response to protein nutrition may underpin age-associated muscle loss. Objective: To determine how chronological and biological aging influence myofibrillar protein synthesis (MyoPS). Design: Cross-sectional comparison. Setting: Clinical research facility. Participants: Ten older lean [OL: 71.7 ± 6 years; body mass index (BMI) ≤25 kg ⋅ m-2], 7 older obese (OO: 69...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
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