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https://www.readbyqxmd.com/read/29332538/role-of-infiltrating-monocytes-in-the-development-of-radiation-induced-pulmonary-fibrosis
#1
Angela M Groves, Carl J Johnston, Jacqueline P Williams, Jacob N Finkelstein
Lung exposure to radiation induces an injury response that includes the release of cytokines and chemotactic mediators; these signals recruit immune cells to execute inflammatory and wound-healing processes. However, radiation alters the pulmonary microenvironment, dysregulating the immune responses and preventing a return to homeostasis. Importantly, dysregulation is observed as a chronic inflammation, which can progress into pneumonitis and promote pulmonary fibrosis; inflammatory monocytes, which are bone marrow derived and express CCR2, have been shown to migrate into the lung after radiation exposure...
January 13, 2018: Radiation Research
https://www.readbyqxmd.com/read/29331080/design-synthesis-and-evaluation-of-novel-oxazaborine-inhibitors-of-the-nlrp3-inflammasome
#2
Alex George Baldwin, Victor S Tapia, Tessa Swanton, Claire S White, James A Beswick, David Brough, Sally Freeman
The NLRP3 inflammasome is an important regulator of the sterile inflammatory response and its activation by host-derived sterile molecules leads to the intracellular activation of caspase-1, processing of the pro-inflammatory cytokines interleukin-1β (IL 1β)/IL-18, and pyroptotic cell death. Inappropriate activation of NLRP3 drives a chronic inflammatory response and is implicated in several non-communicable diseases, including gout, atherosclerosis, type II diabetes and Alzheimer's disease. In this study, we report the design, synthesis and biological evaluation of novel boron compounds (NBCs) as NLRP3 inflammasome inhibitors...
January 13, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29328461/anti%C3%A2-inflammatory-effects-of-gambogic-acid-in-murine-collagen%C3%A2-induced-arthritis-through-pi3k-akt-signaling-pathway
#3
Qing Lai Wang, Dong Zhen Yang, Cunxian Lv
Garcinia angustifolia is a dry resin secreted by Garcinia cambogia, which has the functions of breaking blood, detoxifying, stopping bleeding and killing insects. It is used for the treatment of cancer and brain edema. Gambogic acid is the primary active ingredient. The present study aimed to investigate the anti‑inflammatory and antiproliferative effects of gambogic acid on arthritis and the possible mechanisms. It was demonstrated that gambogic acid decreased arthritic scores in murine collagen‑induced arthritic mice...
January 8, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29326099/interleukin-18-diagnostically-distinguishes-and-pathogenically-promotes-human-and-murine-macrophage-activation-syndrome
#4
Eric S Weiss, Charlotte Girard-Guyonvarc'h, Dirk Holzinger, Adriana A de Jesus, Zeshan Tariq, Jennifer Picarsic, Eduardo J Schiffrin, Dirk Foell, Alexei A Grom, Sandra Ammann, Stephan Ehl, Tomoaki Hoshino, Raphaela Goldbach-Mansky, Cem Gabay, Scott W Canna
Hemophagocytic Lymphohistiocytosis (HLH) and Macrophage Activation Syndrome (MAS) are life-threatening hyperferritinemic systemic inflammatory disorders. Though profound cytotoxic impairment causes familial HLH (fHLH), the mechanisms driving non-fHLH and MAS are largely unknown. MAS occurs in patients with suspected rheumatic disease, but the mechanistic basis for its distinction is unclear. Recently, a syndrome of recurrent MAS with infantile enterocolitis caused by NLRC4 inflammasome hyperactivity highlighted the potential importance of Interleukin (IL)-18...
January 11, 2018: Blood
https://www.readbyqxmd.com/read/29324513/the-functional-immune-response-of-patients-on-extracorporeal-life-support
#5
Asaad G Beshish, Jeffrey D Bradley, Kelli L McDonough, Nadine L N Halligan, Walker M McHugh, Julie Sturza, Mark W Hall, Timothy T Cornell, Mary K Dahmer
Extracorporeal life support (ECLS) is a widely used lifesaving technology. Whether ECLS results in immune dysregulation is unclear. This study's aim was to examine whether ECLS affected innate immune response. All patients placed on ECLS were eligible. Blood was obtained before, during, and after ECLS. Function of the innate immune system was measured by ex vivo lipopolysaccharide (LPS)-induced tumor necrosis factor-α (TNF-α) and plasma cytokine levels (interleukin [IL]-6, IL-8, IL-10, and TNF-α). Immunoparalysis was defined as ex vivo TNF-α levels less than 200 pg/ml...
January 10, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29323730/biochemical-and-molecular-study-on-interleukin-1%C3%AE-gene-expression-and-relation-of-single-nucleotide-polymorphism-in-promoter-region-with-type-2-diabetes-mellitus
#6
Safaa I Tayel, Eman Am Fouda, Elsayed I Elshayeb, Asmaa Ra Eldakamawy, Salah M El-Kousy
Interleukin-1β (IL-1β) assumes a centric role in the regulation of immune and inflammatory responses and thus has been recognized in immune mediated diseases like type 2 diabetes mellitus (T2DM). We aimed to investigate expressed level of IL-1β and its relation with IL-1β -511T > C polymorphism in T2DM patients. This study enrolled 80 subjects (50 patients with T2DM and 30 healthy control subjects). Laboratory investigations included fasting (FBG) and 2h postprandial blood sugar (2h PBG), HBA1c, lipid profile and renal function tests...
January 11, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29322421/immuno-detection-of-immature-and-bioactive-forms-of-the-inflammatory-cytokine-il-18
#7
Brendan J Jenkins, Virginie Deswaerte
Gastric cancer (GC) is the third most lethal cancer worldwide, and like many other types of cancers, it is associated with precursory chronic inflammatory responses. In the context of many inflammation-associated cancers such as GC, activation of the innate immune response by infectious microbes and/or host-derived molecules is often characterized by production of the cytokines interleukin (IL)-1β and IL-18, which can often have divergent and opposing (i.e., pro or anti) roles in inflammation and oncogenesis...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29322417/quantifying-caspase-1-activity-in-murine-macrophages
#8
Dave Boucher, Amy Chan, Connie Ross, Kate Schroder
The caspase-1 protease is a core component of multiprotein inflammasome complexes, which play a critical role in regulating the secretion of mature, bioactive pro-inflammatory cytokines interleukin (IL)-1β and IL-18. The activity of caspase-1 is often measured indirectly, by monitoring cleavage of cellular caspase-1 substrates, processing of caspase-1 itself, or by quantifying cell death. Here we describe methods for eliciting caspase-1 activity in murine macrophages, via activation of the NLRP3, NAIP/NLRC4 or AIM2 inflammasomes...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29317576/-protective-effect-of-taxifolin-on-h2o2-induced-%C3%A2-h9c2-cell-pyroptosis
#9
Yanqiong Ye, Xiaoli Wang, Qian Cai, Jian Zhuang, Xiaohua Tan, Wei He, Mingyi Zhao
To explore the effect of taxifolin on H2O2-induced pyroptosis in H9C2 cells and the possible mechanisms.
 Methods: The H9C2 cells was divided into 3 groups: a control group, a hydrogen peroxide (H2O2)group and a taxifolin group. The morphology of H9C2 cells was observed by inverted phase contrast microscope. The mitochondrial membrane potential was measured by JC-1 staining and flow cytometry. The alteration of the level of reactive oxygen species (ROS) was detected by specific mitochondrial probe. The protein levels of cysteinyl aspartate specific proteinase-1 (caspase-1)was determined by Western blot...
December 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29316680/effect-of-low-molecular-weight-oligopeptides-isolated-from-sea-cucumber-on-diabetic-wound-healing-in-db-db-mice
#10
Di Li, Lin Li, Teng Xu, Tianxing Wang, Jinwei Ren, Xinran Liu, Yong Li
Impaired wound healing is a major clinical problem in patients with diabetes and is the leading cause of lower limb amputation. This study is aimed to observe the effects of small molecule oligopeptides isolated from sea cucumber (SCCOPs) on the wound healing process in diabetic mice. Ninety db/db male mice were divided into five groups, including the model control group, whey protein group (0.50 g/kg) and three SCCOPs dose groups (0.25 g/kg, 0.50 g/kg and 1.00 g/kg). Additionally, 18 db/m male mice were used as normal control group...
January 8, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29314607/h3-relaxin-inhibits-the-collagen-synthesis-via-ros-and-p2x7r-mediated-nlrp3-inflammasome-activation-in-cardiac-fibroblasts-under-high-glucose
#11
Xiaohui Zhang, Yu Fu, Hui Li, Li Shen, Qing Chang, Liya Pan, Siting Hong, Xinhua Yin
Excessive production of reactive oxygen species (ROS) and P2X7R activation induced by high glucose increases NLRP3 inflammasome activation, which contributes to the pathogenesis of diabetic cardiomyopathy. Although H3 relaxin has been shown to inhibit cardiac fibrosis induced by isoproterenol, the mechanism has not been well studied. Here, we demonstrated that high glucose (HG) induced the collagen synthesis by activation of the NLRP3 inflammasome, leading to caspase-1 activation, interleukin-1β (IL-1β) and IL-18 secretion in neonatal rat cardiac fibroblasts...
January 5, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29307055/novel-acute-kidney-injury-biomarkers-their-characteristics-utility-and-concerns
#12
REVIEW
Braian M Beker, Mateo G Corleto, Cecilia Fieiras, Carlos G Musso
Acute kidney injury (AKI) consists of a rapid renal function decline which usually increases serum urea and creatinine levels. Since kidney injury begins by inducing biological and molecular changes which evolve to cellular damage, biomarkers could be used as tools for monitoring early AKI appearance, and predicting its recovery. Among the main AKI biomarkers the neutrophil gelatinase-associated lipocalin, cystatin C, kidney injury molecule-1, monocyte chemotactic peptide-1, N-acetyl-β-D-glucosaminidase, interleukin-18, liver-type fatty acid-binding protein, netrin-1, cycle arrest markers, endogenous ouabain, selenium-binding protein 1, and BPIFA2 marker, have been described...
January 6, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29305119/weicao-capsule-ameliorates-renal-injury-through-increasing-autophagy-and-nlrp3-degradation-in-uan-rats
#13
Jiacai Hu, Hao Wu, Daochun Wang, Zhijie Yang, Lihua Zhuang, Na Yang, Junjun Dong
Uric acid nephropathy (UAN) is one of the most common metabolic diseases and leads to kidney damage. This study aimed to evaluate the effect of Weicao capsule on renal injury of UAN rats and to examine whether the mechanism was associated with induction of autophagy and degradation of nucleotide binding oligomerization domain (Nod)-like receptor (NLR) protein 3 (NLRP3) inflammasome. Sixty Sprague-Dawley rats were randomly allocated into 6 groups: Control, Model, Allopurinol, and Weicao (0.55/1.1/2.2 g/kg) group...
January 2, 2018: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29304171/mcp-1-kc-like-and-il-8-as-critical-mediators-of-pathogenesis-caused-by-babesia-canis
#14
Asier Galán, Iva Mayer, Renata Barić Rafaj, Krešo Bendelja, Velimir Sušić, José Joaquín Cerón, Vladimir Mrljak
Canine babesiosis caused by the intraerythrocytic protozoan parasite Babesia canis is a tick-borne disease characterized by a host response that involves both cellular and humoral immunity. This study focuses on the secretion of cytokines Granulocyte-Macrophage Colony-Stimulating Factor (GM-CSF), Keratinocyte Chemotactic-like (KC-like), Interleukins (IL)-2, IL-7, IL-8, IL-10, IL-15, IL-18 and Monocyte Chemotactic Protein-1 (MCP-1) in babesiosis caused by Babesia canis upon treatment with Imizol®. We assessed time dependent changes in cytokine levels and tested whether these changes correlate with pathogenesis of the disease...
2018: PloS One
https://www.readbyqxmd.com/read/29303910/involvement-of-nucleotide-binding-and-oligomerization-domain-like-receptors-in-the-intestinal-injury-of-severe-acute-pancreatitis-in-rats
#15
Shan Xu, Shuqing Wei, Yu Guo, Donglai Cui, Jinfeng Yao
OBJECTIVES: The aim of the study was to observe the role of nucleotide-binding and oligomerization domain (NOD)-like receptors (NLR) in intestine injury of severe acute pancreatitis (SAP) in rats. METHODS: Severe acute pancreatitis was induced by retrograde infusion of sodium taurocholate into the biliopancreatic duct. Rats were divided into the following 6 groups: sham operation, SAP treated with saline, and SAP treated with interleukin 1β (IL-1β)-converting enzyme inhibitor, killed at 6 or 12 hours after operation...
January 5, 2018: Pancreas
https://www.readbyqxmd.com/read/29302207/role-of-inflammasomes-in-inflammatory-autoimmune-rheumatic-diseases
#16
REVIEW
Young-Su Yi
Inflammasomes are intracellular multiprotein complexes that coordinate anti-pathogenic host defense during inflammatory responses in myeloid cells, especially macrophages. Inflammasome activation leads to activation of caspase-1, resulting in the induction of pyroptosis and the secretion of pro-inflammatory cytokines including interleukin (IL)-1β and IL-18. Although the inflammatory response is an innate host defense mechanism, chronic inflammation is the main cause of rheumatic diseases, such as rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), ankylosing spondylitis (AS), and Sjögren's syndrome (SS)...
January 2018: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29299122/wnt-%C3%AE-catenin-and-hedgehog-pathways-are-involved-in-the-inflammatory-effect-of-interleukin-18-on-rat-chondrocytes
#17
Jiapeng Bao, Chiyuan Ma, Jisheng Ran, Yan Xiong, Shigui Yan, Lidong Wu
To investigate the inflammatory effect of Interleukin 18 (IL-18) on rat chondrocytes and the involvement of Wnt/β-catenin and Hedgehog pathways, the mRNA and protein level of matix-degrading enzymes (MMP-2, 3, 9,13 and aggrecanses) and chondrocyte-specific proteins (Collagen II and aggrecan) were evaluated by qRT-PCR and Western blot, and key protein level of Wnt/β-catenin and Hedgehog pathways including β-catenin, GSK-3β, DKK-1, IHH, SHH, and Gli-2 were evaluated by Western blot. Dickkopf-1 (DKK-1) and Cyclopamine were used as antagonist of Wnt/β-catenin and Hedgehog pathways to perform pathway inhibition tests...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29298622/oral-coenzyme-q10-supplementation-in-patients-with-migraine-effects-on-clinical-features-and-inflammatory-markers
#18
Monireh Dahri, Ali Tarighat-Esfanjani, Mohammad Asghari-Jafarabadi, Mazyar Hashemilar
BACKGROUNDS AND AIMS: Migraine and inflammation are correlated. Coenzyme Q10 (CoQ10) as an anti-inflammatory agent has shown useful effects in other diseases. The present study aimed to assess the effect of CoQ10 supplementation on inflammation and clinical features of migraine. METHODS: This randomized double-blind placebo-controlled clinical trial was conducted among 45 non-menopausal women aged 18-50 years, diagnosed for episodic migraine according to the International Headache Society...
January 3, 2018: Nutritional Neuroscience
https://www.readbyqxmd.com/read/29297273/circulating-levels-of-interleukin-17a-tumor-necrosis-factor-alpha-interleukin-18-interleukin-10-and-cognitive-performance-of-patients-with-relapsing-remitting-multiple-sclerosis
#19
Anastasiya G Trenova, Georgi S Slavov, Milena N Draganova-Filipova, Nonka G Mateva, Mariya G Manova, Lyuba D Miteva, Spaska A Stanilova
Multiple sclerosis (MS) is associated with cytokine imbalance and high rate (40-70%) of cognitive impairment. The objective of this study is to investigate the relationship between serum concentrations of tumor necrosis factor (TNF)-alpha, interleukin (IL)-17A, IL-18, IL-10, and cognitive performance in patients with relapsing-remitting MS (RRMS). Methods The study comprised 159 patients with RRMS (mean age 40.08 ± 8.48 years) in remission phase and 86 age-, gender-, and education-matched healthy controls...
January 3, 2018: Neurological Research
https://www.readbyqxmd.com/read/29295842/unopposed-il-18-signaling-leads-to-severe-tlr9-induced-macrophage-activation-syndrome-in-mice
#20
Charlotte Girard-Guyonvarc'h, Jennifer Palomo, Praxedis Martin, Emiliana Rodriguez, Sabina Troccaz, Gaby Palmer, Cem Gabay
The term macrophage activation syndrome (MAS) defines a severe, potentially fatal disorder characterized by overwhelming inflammation and multiorgan involvement. Interleukin (IL)-18 is a pro-inflammatory cytokine belonging to the IL-1 family, the activity of which is regulated by its endogenous inhibitor IL-18 binding protein (IL-18BP). Elevated IL-18 levels have been reported in patients with MAS. Herein we show that upon repeated toll-like receptor (TLR)9 stimulation with CpG, IL-18BP-/- mice display severe MAS manifestations, including increased weight loss, splenomegaly, anemia, thrombocytopenia, hyperferritinemia and bone marrow hemophagocytosis as compared to wild-type mice...
January 2, 2018: Blood
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