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Mediators of Inflammation

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https://www.readbyqxmd.com/read/28713206/the-astrocytic-s100b-protein-with-its-receptor-rage-is-aberrantly-expressed-in-sod1-g93a-models-and-its-inhibition-decreases-the-expression-of-proinflammatory-genes
#1
Alessia Serrano, Claudia Donno, Stefano Giannetti, Mina Perić, Pavle Andjus, Nadia D'Ambrosi, Fabrizio Michetti
Neuroinflammation is one of the major players in amyotrophic lateral sclerosis (ALS) pathogenesis, and astrocytes are significantly involved in this process. The astrocytic protein S100B can be released in pathological states activating the receptor for advanced glycation end products (RAGE). Different indications point to an aberrant expression of S100B and RAGE in ALS. In this work, we observed that S100B and RAGE are progressively and selectively upregulated in astrocytes of diseased rats with a tissue-specific timing pattern, correlated to the level of neurodegeneration...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28698711/anti-n-methyl-d-aspartate-receptor-encephalitis-a-severe-potentially-reversible-autoimmune-encephalitis
#2
REVIEW
Cai-Yun Liu, Jie Zhu, Xiang-Yu Zheng, Chi Ma, Xu Wang
Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is potentially lethal, but it is also a treatable autoimmune disorder characterized by prominent psychiatric and neurologic symptoms. It is often accompanied with teratoma or other neoplasm, especially in female patients. Anti-NMDAR antibodies in cerebrospinal fluid (CSF) and serum are characteristic features of the disease, thereby suggesting a pathogenic role in the disease. Here, we summarize recent studies that have clearly documented that both clinical manifestations and the antibodies may contribute to early diagnosis and multidisciplinary care...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28694566/antifungal-resistance-metabolic-routes-as-drug-targets-and-new-antifungal-agents-an-overview-about-endemic-dimorphic-fungi
#3
REVIEW
Juliana Alves Parente-Rocha, Alexandre Melo Bailão, André Correa Amaral, Carlos Pelleschi Taborda, Juliano Domiraci Paccez, Clayton Luiz Borges, Maristela Pereira
Diseases caused by fungi can occur in healthy people, but immunocompromised patients are the major risk group for invasive fungal infections. Cases of fungal resistance and the difficulty of treatment make fungal infections a public health problem. This review explores mechanisms used by fungi to promote fungal resistance, such as the mutation or overexpression of drug targets, efflux and degradation systems, and pleiotropic drug responses. Alternative novel drug targets have been investigated; these include metabolic routes used by fungi during infection, such as trehalose and amino acid metabolism and mitochondrial proteins...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28694565/5-ht-drives-mortality-in-sepsis-induced-by-cecal-ligation-and-puncture-in-mice
#4
Jingyao Zhang, Jianbin Bi, Sushun Liu, Qing Pang, Ruiyao Zhang, Shun Wang, Chang Liu
Sepsis is defined as a life-threatening organ dysfunction caused by a dysregulated host response to infection with a high mortality. 5-Hydroxytryptamine (5-HT) is an important regulatory factor in inflammation. The aim of this study is to investigate the role of 5-HT on cecal ligation and puncture- (CLP-) induced sepsis in the mouse model. CLP was performed on C57B/6 wild-type (WT) mice and tryptophan hydroxylase 1 (TPH1) knockout (KO) mice. The results showed that the 5-HT-sufficient group mice had a significantly lower survival rate than the 5-HT-deficient group in CLP-induced sepsis and septic shock...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28694564/hmgb1-and-extracellular-histones-significantly-contribute-to-systemic-inflammation-and-multiple-organ-failure-in-acute-liver-failure
#5
REVIEW
Runkuan Yang, Xiaoping Zou, Jyrki Tenhunen, Tor Inge Tønnessen
Acute liver failure (ALF) is the culmination of severe liver cell injury from a variety of causes. ALF occurs when the extent of hepatocyte death exceeds the hepatic regenerative capacity. ALF has a high mortality that is associated with multiple organ failure (MOF) and sepsis; however, the underlying mechanisms are still not clear. Emerging evidence shows that ALF patients/animals have high concentrations of circulating HMGB1, which can contribute to multiple organ injuries and mediate gut bacterial translocation (BT)...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28694563/role-of-arpc2-in-human-gastric-cancer
#6
Jun Zhang, Yi Liu, Chang-Jun Yu, Fu Dai, Jie Xiong, Hong-Jun Li, Zheng-Sheng Wu, Rui Ding, Hong Wang
Gastric cancer continues to be the second most frequent cause of cancer deaths worldwide. However, the exact molecular mechanisms are still unclear. Further research to find potential targets for therapy is critical and urgent. In this study, we found that ARPC2 promoted cell proliferation and invasion in the human cancer cell line MKN-28 using a cell total number assay, MTT (3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide) assay, cell colony formation assay, migration assay, invasion assay, and wound healing assay...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28694562/expression-and-function-of-granzymes-a-and-b-in-escherichia-coli-peritonitis-and-sepsis
#7
M Isabel García-Laorden, Ingrid Stroo, Sanne Terpstra, Sandrine Florquin, Jan Paul Medema, Cornelis van T Veer, Alex F de Vos, Tom van der Poll
Escherichia (E.) coli is the most common causative pathogen in peritonitis, the second most common cause of sepsis. Granzymes (gzms) are serine proteases traditionally implicated in cytotoxicity and, more recently, in the inflammatory response. We here sought to investigate the role of gzms in the host response to E. coli-induced peritonitis and sepsis in vivo. For this purpose, we used a murine model of E. coli intraperitoneal infection, resembling the clinical condition commonly associated with septic peritonitis by this bacterium, in wild-type and gzmA-deficient (gzmA(-/-) ), gzmB(-/-) , and gzmAxB(-/-) mice...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28680196/roles-of-cells-from-the-arterial-vessel-wall-in-atherosclerosis
#8
REVIEW
Di Wang, Zhiyan Wang, Lili Zhang, Yi Wang
Atherosclerosis has been identified as a chronic inflammatory disease of the arterial vessel wall. Accumulating evidence indicates that different cells from the tunica intima, media, adventitia, and perivascular adipose tissue not only comprise the intact and normal arterial vessel wall but also participate all in the inflammatory response of atherosclerosis via multiple intricate pathways. For instance, endothelial dysfunction has historically been considered to be the initiator of the development of atherosclerosis...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28680195/new-hydroxycinnamic-acid-esters-as-novel-5-lipoxygenase-inhibitors-that-affect-leukotriene-biosynthesis
#9
Luc H Boudreau, Grégoire Lassalle-Claux, Marc Cormier, Sébastien Blanchard, Marco S Doucet, Marc E Surette, Mohamed Touaibia
Leukotrienes are inflammatory mediators that actively participate in the inflammatory response and host defense against pathogens. However, leukotrienes also participate in chronic inflammatory diseases. 5-lipoxygenase is a key enzyme in the biosynthesis of leukotrienes and is thus a validated therapeutic target. As of today, zileuton remains the only clinically approved 5-lipoxygenase inhibitor; however, its use has been limited due to severe side effects in some patients. Hence, the search for a better 5-lipoxygenase inhibitor continues...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28680194/syk-plays-a-critical-role-in-the-expression-and-activation-of-irak1-in-lps-treated-macrophages
#10
Jae Gwang Park, Young-Jin Son, Byong Chul Yoo, Woo Seok Yang, Ji Hye Kim, Jong-Hoon Kim, Jae Youl Cho
To address how interleukin-1 receptor-associated kinase 1 (IRAK1) is controlled by other enzymes activated by toll-like receptor (TLR) 4, we investigated the possibility that spleen tyrosine kinase (Syk), a protein tyrosine kinase that is activated at an earlier stage during TLR4 activation, plays a central role in regulating the functional activation of IRAK1. Indeed, we found that overexpression of myeloid differentiation primary response gene 88 (MyD88), an adaptor molecule that drives TLR signaling, induced IRAK1 expression and that piceatannol, a Syk inhibitor, successfully suppressed the MyD88-dependent upregulation of IRAK1 under LPS treatment conditions...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28676732/proinflammatory-cytokines-il-6-and-tnf-%C3%AE-increased-telomerase-activity-through-nf-%C3%AE%C2%BAb-stat1-stat3-activation-and-withaferin-a-inhibited-the-signaling-in-colorectal-cancer-cells
#11
Seyung S Chung, Yong Wu, Quincy Okobi, Debbie Adekoya, Mohammad Atefi, Orette Clarke, Pranabananda Dutta, Jaydutt V Vadgama
There are increasing evidences of proinflammatory cytokine involvement in cancer development. Here, we found that two cytokines, IL-6 and TNF-α, activated colorectal cancer cells to be more invasive and stem-like. Combined treatment of IL-6 and TNF-α phosphorylated transcription factors STAT3 in a synergistic manner. STAT3, STAT1, and NF-κB physically interacted upon the cytokine stimulation. STAT3 was bound to the promoter region of human telomerase reverse transcriptase (hTERT). IL-6 and TNF-α stimulation further enhanced STAT3 binding affinity...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28659666/mir-155-promotes-ox-ldl-induced-autophagy-in-human-umbilical-vein-endothelial-cells
#12
Zhaozhi Zhang, Xudong Pan, Shaonan Yang, Aijun Ma, Kun Wang, Yuan Wang, Ting Li, Shihai Liu
As an evolutionarily conserved metabolic process, autophagy is involved in the process of atherosclerosis (AS). MicroRNA-155 (miR-155), a multifunctional miRNA, plays an important role in many physiological and pathological conditions, including AS and autophagy. However, the effect of miR-155 on the regulation of autophagy in endothelial cells has not been reported to date. Therefore, the objective of our study was to investigate the role of miR-155 in autophagy induced by oxidized low-density lipoprotein (ox-LDL) in human umbilical vein endothelial cells (HUVECs)...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28659665/risk-of-tuberculosis-reactivation-in-patients-with-rheumatoid-arthritis-ankylosing-spondylitis-and-psoriatic-arthritis-receiving-non-anti-tnf-targeted-biologics
#13
REVIEW
Fabrizio Cantini, Carlotta Nannini, Laura Niccoli, Linda Petrone, Giuseppe Ippolito, Delia Goletti
Tuberculosis (TB) still represents an important issue for public health in underdeveloped countries, but the use of antitumor necrosis factor agents (anti-TNF) for the treatment of inflammatory rheumatic disorders has reopened the problem also in countries with low TB incidence, due to the increased risk of TB reactivation in subjects with latent tuberculosis infection (LTBI). Over the last 5 years, several non-anti-TNF-targeted biologics have been licensed for the treatment of rheumatoid arthritis, ankylosing spondylitis, and psoriatic arthritis...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28659664/inherited-variation-in-cytokine-acute-phase-response-and-calcium-metabolism-genes-affects-susceptibility-to-infective-endocarditis
#14
Anastasia V Ponasenko, Anton G Kutikhin, Maria V Khutornaya, Natalia V Rutkovskaya, Natalia V Kondyukova, Yuri N Odarenko, Yana V Kazachek, Anna V Tsepokina, Leonid S Barbarash, Arseniy E Yuzhalin
Infective endocarditis (IE) is a septic inflammation of the endocardium. Recognition of microbial patterns, cytokine and acute phase responses, hemostasis features, and alterations in plasma lipid and calcium profile all have been reported to affect pathogenesis and clinical course of IE. Having recruited 123 patients with IE and 300 age-, sex-, and ethnicity-matched healthy blood donors, we profiled their genomic DNA for 35 functionally significant polymorphisms within the 22 selected genes involved in the abovementioned pathways, with the further genetic association analysis...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28659663/a-role-of-the-abcc4-gene-polymorphism-in-airway-inflammation-of-asthmatics
#15
Sailesh Palikhe, Udval Uuganbayar, Hoang Kim Tu Trinh, Ga-Young Ban, Eun-Mi Yang, Hae-Sim Park, Seung-Hyun Kim
The ATP-binding cassette subfamily C member 4 gene encodes a transmembrane protein involved in the export of proinflammatory molecules, including leukotriene, prostaglandin, and sphingosine-1-phosphate across the plasma membrane. Those metabolites play important roles in asthma. We investigated the potential associations between ABCC4 gene polymorphisms and asthma phenotype. In total, 270 asthma patients and 120 normal healthy controls were enrolled for a genetic association study. Two polymorphisms (-1508A>G and -642C>G) in the ABCC4 promoter were genotyped...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28659662/il-34-upregulated-th17-production-through-increased-il-6-expression-by-rheumatoid-fibroblast-like-synoviocytes
#16
Bing Wang, Zijian Ma, Miaomiao Wang, Xiaotong Sun, Yawei Tang, Ming Li, Yan Zhang, Fang Li, Xia Li
Rheumatoid arthritis (RA) is a chronic autoimmune disease which is characterized by synovial inflammation and cartilage damage for which causes articular dysfunction. Activation of fibroblast-like synoviocytes (FLS) is a critical step that promotes disease progression. In this study, we aimed to explore the effect of interleukin-34 (IL-34) on RA FLS as a proinflammatory factor and IL-34-stimulated FLS on the production of Th17. We found that serum IL-34 levels were increased compared to those of the healthy controls and had positive correlations with C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), and anticyclic citrullinated peptide (CCP) antibody accordingly...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28655972/high-glucose-level-disturbs-the-resveratrol-evoked-curtailment-of-cx3cl1-cx3cr1-signaling-in-human-placental-circulation
#17
Dariusz Szukiewicz, Michal Pyzlak, Grzegorz Szewczyk, Aleksandra Stangret, Seweryn Trojanowski, Michal Bachanek, Wojciech Braksator, Jaroslaw Wejman
Hyperglycemia-induced hyperactivity of chemokine CX3CL1 (fractalkine) occurs in the human placenta. Anti-inflammatory/antioxidant activities of resveratrol (3,5,4'-trihydroxy-trans-stilbene) are related to the modulation of chemokine CX3CL1 and its receptor, CX3CR1, signaling pathways. We examined the influence of high glucose (25 mmol/L glucose; HG group; N = 36) on resveratrol-mediated effects on CX3CL1 and TNF-α production by the placental lobule, CX3CR1 expression and contents of CX3CR1, TNF-α receptor 1 (TNFR1), and NF-κB proteins in placental tissue...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28655971/significant-improvement-selected-mediators-of-inflammation-in-phenotypes-of-women-with-pcos-after-reduction-and-low-gi-diet
#18
Małgorzata Szczuko, Marta Zapałowska-Chwyć, Dominika Maciejewska, Arleta Drozd, Andrzej Starczewski, Ewa Stachowska
Many researchers suggest an increased risk of atherosclerosis in women with polycystic ovary syndrome. In the available literature, there are no studies on the mediators of inflammation in women with PCOS, especially after dietary intervention. Eicosanoids (HETE and HODE) were compared between the biochemical phenotypes of women with PCOS (normal and high androgens) and after the 3-month reduction diet. Eicosanoid profiles (9(S)-HODE, 13(S)-HODE, 5(S)-HETE, 12(S)-HETE, 15(S)-HETE, 5(S)-oxoETE, 16(R)-HETE, 16(S)-HETE and 5(S), 6(R)-lipoxin A4, 5(S), 6(R), 15(R)-lipoxin A4) were extracted from 0...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28642633/proteases-revisited-roles-and-therapeutic-implications-in-fibrosis
#19
REVIEW
Jakub Kryczka, Joanna Boncela
Proteases target many substrates, triggering changes in distinct biological processes correlated with cell migration, EMT/EndMT and fibrosis. Extracellular protease activity, demonstrated by secreted and membrane-bound protease forms, leads to ECM degradation, activation of other proteases (i.e., proteolysis of nonactive zymogens), decomposition of cell-cell junctions, release of sequestered growth factors (TGF-β and VEGF), activation of signal proteins and receptors, degradation of inflammatory inhibitors or inflammation-related proteins, and changes in cell mechanosensing and motility...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28642632/mcl-plays-an-anti-inflammatory-role-in-mycobacterium-tuberculosis-induced-immune-response-by-inhibiting-nf-%C3%AE%C2%BAb-and-nlrp3-inflammasome-activation
#20
Qingwen Zhang, Xinru Jiang, Weigang He, Kailin Wei, Jinxia Sun, Xiangyang Qin, Yuejuan Zheng, Xin Jiang
Mycobacterium tuberculosis (Mtb) remains a significant menace to global health as it induces granulomatous lung lesions and systemic inflammatory responses during active tuberculosis (TB). Micheliolide (MCL), a sesquiterpene lactone, was recently reported to have a function of relieving LPS-induced inflammatory response, but the regulative role of MCL on the immunopathology of TB still remains unknown. In this experiment, we examined the inhibitory effect of MCL on Mtb-induced inflammatory response in mouse macrophage-like cell line Raw264...
2017: Mediators of Inflammation
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