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Mediators of Inflammation

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https://www.readbyqxmd.com/read/29213193/anti-inflammatory-activity-of-crude-venom-isolated-from-parasitoid-wasp-bracon-hebetor-say
#1
Evelyn Saba, Tahir Shafeeq, Muhammad Irfan, Yuan Yee Lee, Hyuk-Woo Kwon, Myung Gi Seo, Sang-Joon Park, Kyeong-Yeoll Lee, Man Hee Rhee
Pest control in the agricultural fields, a major concern globally, is currently achieved through chemical or biological methods. Chemical methods, which leave toxic residue in the produce, are less preferred than biological methods. Venoms injected by stings of various wasps that kill the pest is considered as the examples of the biological method. Although several studies have investigated the biological control of pests through these venoms, very few studies have reported the effects of these venoms on mammalian cells...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29213192/advances-of-stem-cell-therapeutics-in-cutaneous-wound-healing-and-regeneration
#2
REVIEW
Suman Kanji, Hiranmoy Das
Cutaneous wound healing is a complex multiple phase process, which overlaps each other, where several growth factors, cytokines, chemokines, and various cells interact in a well-orchestrated manner. However, an imbalance in any of these phases and factors may lead to disruption in harmony of normal wound healing process, resulting in transformation towards chronic nonhealing wounds and abnormal scar formation. Although various therapeutic interventions are available to treat chronic wounds, current wound-care has met with limited success...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29209105/effects-of-nsaids-on-the-release-of-calcitonin-gene-related-peptide-and-prostaglandin-e2-from-rat-trigeminal-ganglia
#3
Vittorio Vellani, Giorgia Moschetti, Silvia Franchi, Chiara Giacomoni, Paola Sacerdote, Giada Amodeo
Nonsteroidal anti-inflammatory drugs (NSAIDs) are frequently used to treat migraine, but the mechanisms of their effects in this pathology are not fully elucidated. The trigeminal ganglia and calcitonin gene-related peptide (CGRP) have been implicated in the pathophysiology of migraine. The release of CGRP and prostaglandin E2 (PGE2) from freshly isolated rat trigeminal ganglia was evaluated after oral administration of nimesulide, etoricoxib, and ketoprofen, NSAIDs with different pharmacological features. Thirty minutes after oral administration, nimesulide, 10 mg/Kg, decreased the GCRP release induced by an inflammatory soup, while the other NSAIDs were ineffective at this point in time...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29209104/t-cell-subsets-in-rheumatoid-arthritis-patients-on-long-term-anti-tnf-or-il-6-receptor-blocker-therapy
#4
Sonja Dulic, Zsófia Vásárhelyi, Florentina Sava, László Berta, Balázs Szalay, Gergely Toldi, László Kovács, Attila Balog
Data on the impact of biological therapies on the T-cell phenotype in rheumatoid arthritis are limited. Here, we prospectively measured the percentages of 15 circulating T-cell subtypes using flow cytometry. We obtained transversal and longitudinal data in 30 anti-TNF responders, 19 secondary anti-TNF nonresponders, and 43 IL-6R antagonist responders, before, 8 weeks and at least 6 months after biological therapy. Untreated RA patients and healthy controls were also included. The important findings are the following: (1) the proportion of regulatory T-cells (Tregs) which are decreased in untreated RA patients becomes normal in all long-term-treated groups; (2) in anti-TNF responders as well as in nonresponders, the frequencies of naïve CD4+ and CD8+ cells are lower, whereas those of proinflammatory Th1, Th2, and Th17 cells and HLA-DR+-activated cells are higher than those in untreated RA or healthy controls; (3) in IL-6R responders, Th1 proportion is decreased, while that of Th2 and Th17 is increased as compared to that in anti-TNF-treated patients and controls; (4) pending confirmation, a CD4CD69 ratio < 2...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29209103/hiv-as-a-cause-of-immune-activation-and-immunosenescence
#5
REVIEW
T Sokoya, H C Steel, M Nieuwoudt, T M Rossouw
Systemic immune activation has emerged as an essential component of the immunopathogenesis of HIV. It not only leads to faster disease progression, but also to accelerated decline of overall immune competence. HIV-associated immune activation is characterized by an increase in proinflammatory mediators, dysfunctional T regulatory cells, and a pattern of T-cell-senescent phenotypes similar to those seen in the elderly. These changes predispose HIV-infected persons to comorbid conditions that have been linked to immunosenescence and inflamm-ageing, such as atherosclerosis and cardiovascular disease, neurodegeneration, and cancer...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29203970/expression-of-the-jak-stat-signaling-pathway-in-bullous-pemphigoid-and-dermatitis-herpetiformis
#6
K Juczynska, A Wozniacka, E Waszczykowska, M Danilewicz, M Wagrowska-Danilewicz, J Wieczfinska, R Pawliczak, A Zebrowska
A family of eleven proteins comprises the Janus kinases (JAK) and signal transducers and activators of transcription (STAT) signaling pathway, which enables transduction of signal from cytokine receptor to the nucleus and activation of transcription of target genes. Irregular functioning of the cascade may contribute to pathogenesis of autoimmune diseases; however, there are no reports concerning autoimmune bullous diseases yet to be published. The aim of this study was to evaluate the expression of proteins constituting the JAK/STAT signaling pathway in skin lesions and perilesional area in dermatitis herpetiformis (DH) and bullous pemphigoid (BP), as well as in the control group...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29203969/cardiovascular-disease-in-ageing-an-overview-on-thoracic-aortic-aneurysm-as-an-emerging-inflammatory-disease
#7
REVIEW
Calogera Pisano, Carmela Rita Balistreri, Alessandro Ricasoli, Giovanni Ruvolo
Medial degeneration associated with thoracic aortic aneurysm and acute aortic dissection was originally described by Erdheim as a noninflammatory lesion related to the loss of smooth muscle cells and elastic fibre fragmentation in the media. Recent evidences propose the strong role of a chronic immune/inflammatory process in aneurysm evocation and progression. The coexistence of inflammatory cells with markers of apoptotic vascular cell death in the media of ascending aorta with aneurysms and type A dissections raises the possibility that activated T cells and macrophages may contribute to the elimination of smooth muscle cells and degradation of the matrix...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29200667/davallia-mariesii-moore-improves-fc%C3%AE%C2%B5ri-mediated-allergic-responses-in-the-rat-basophilic-leukemia-mast-cell-line-rbl-2h3-and-passive-cutaneous-anaphylaxis-in-mice
#8
Hyun Ju Do, Tae Woo Oh, Ju Hye Yang, Kwang Il Park, Jin Yeul Ma
Davallia mariesii Moore (Drynaria rhizome extract (DRE)) is widely known for its efficacy in treating inflammation, arteriosclerosis, and bone injuries. This study evaluated whether treatment with DRE inhibited FcɛRI-mediated allergic responses in the RBL-2H3 mast cells and investigated the early- and late-phase mechanisms by which DRE exerts its antiallergic effects. IgE anti-DNP/DNP-HSA-sensitized RBL-2H3 mast cells were tested for cytotoxicity to DRE, followed by the assessment of β-hexosaminidase release...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29200666/prevention-of-memory-impairment-and-neurotrophic-factors-increased-by-lithium-in-wistar-rats-submitted-to-pneumococcal-meningitis-model
#9
Lutiana R Simões, Roberta R E S Abreu, Jaqueline S Generoso, Jéssica A Goularte, Allan Collodel, Vijayasree Vayalanellore Giridharan, Anitha Christy Sigamani Arumanayagam, Samira S Valvassori, João Quevedo, Tatiana Barichello
The aim of this study was to investigate the effects of lithium on brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), and glial cell line-derived neurotrophic factor (GDNF) expression in the hippocampus and on memory in experimental pneumococcal meningitis. The mood-stabilizer lithium is known as a neuroprotective agent with many effects on the brain. In this study, animals received either artificial cerebrospinal fluid or Streptococcus pneumoniae suspension at a concentration of 5 × 109 CFU/mL...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29200665/the-role-of-high-mobility-group-box-1-and-its-crosstalk-with-microbiome-in-rheumatoid-arthritis
#10
REVIEW
Federico Biscetti, Andrea Flex, Stefano Alivernini, Barbara Tolusso, Elisa Gremese, Gianfranco Ferraccioli
Rheumatoid arthritis (RA) is a chronic, definitely disabling, and potentially severe autoimmune disease. Although an increasing number of patients are affected, a key treatment for all patients has not been discovered. High-mobility group box-1 (HMGB1) is a nuclear protein passively and actively released by almost all cell types after several stimuli. HMGB1 is involved in RA pathogenesis, but a convincing explanation about its role and possible modulation in RA is still lacking. Microbiome and its homeostasis are altered in patients with RA, and the microbiota restoration has been proposed to patients with RA...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29200664/proportions-of-proinflammatory-monocytes-are-important-predictors-of-mortality-risk-in-hemodialysis-patients
#11
Yachung Jeng, Paik Seong Lim, Ming Ying Wu, Tien-Yu Tseng, Chang Hsu Chen, Hung Ping Chen, Tsai-Kun Wu
Despite the continuous progression in dialysis medicine, mortality and the burden of cardiovascular disease (CVD) among hemodialysis patients are still substantial. Substantial evidence suggests that proinflammatory (CD16+) monocytes contribute to the development of atherosclerosis. A cohort of 136 stable hemodialysis patients (follow-up: 6.25 year) was assessed to investigate the association between the proportion of CD16+ monocytes for all-cause and CVD mortalities. The CD16+ monocytes were associated with both mortalities after adjusting for a preexisting CVD history...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29180839/triggering-receptor-expressed-on-myeloid-cells-2-overexpression-inhibits-proinflammatory-cytokines-in-lipopolysaccharide-stimulated-microglia
#12
Xiaobao Zhang, Fang Yan, Jizheng Cui, Yong Wu, Hengfei Luan, Miaomiao Yin, Zhibin Zhao, Jiying Feng, Jinwei Zhang
Microglia play an important role in mediating inflammatory processes in the central nervous system (CNS). Triggering receptor expressed on myeloid cells 2 (TREM2) is a microglia-specific receptor and could decrease neuropathology in Alzheimer's disease (AD). However, the detailed mechanism remains unclear. This study was designed to elucidate the effect of TREM2 on microglia. We showed that lipopolysaccharide (LPS) stimulation significantly increases proinflammatory cytokines and suppressed TREM2 in microglia...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29180838/suppressed-programmed-death-1-expression-on-cd4-and-cd8-t-cells-in-psoriatic-patients
#13
Joanna Bartosińska, Ewelina Zakrzewska, Dorota Raczkiewicz, Joanna Purkot, Anna Michalak-Stoma, Małgorzata Kowal, Dorota Krasowska, Grażyna Chodorowska, Krzysztof Giannopoulos
Psoriasis is a chronic inflammatory disease mediated by T cell immunity. Programmed death 1 (PD-1), a coinhibitory receptor, plays an important role in immune regulation and maintaining peripheral tolerance. The aim of the study was to compare the expression of PD-1 on the peripheral T cells between psoriatic patients and healthy controls. The study included 75 psoriatic patients and 52 healthy volunteers. The percentages and absolute numbers of CD3+, CD4+, CD8+, CD4+PD-1+, and CD8+PD-1+ T cells were analyzed using flow cytometry...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29180837/il-33-st2-axis-in-liver-disease-progression-and-challenge
#14
REVIEW
Zijian Sun, Binxia Chang, Miaomiao Gao, Jiyuan Zhang, Zhengsheng Zou
The new member of the IL-1 family, interleukin-33 (IL-33), participates in the progression of a variety of diseases through binding with its receptor ST2. Recently, much clinical evidence and experimental data have indicated that IL-33 is associated with various liver diseases. This review primarily addresses the relationship between IL-33 and several hepatic diseases. IL-33 can alleviate high-fat diet- (HFD-) induced hepatic steatosis and insulin resistance, and IL-33 acts as an alarmin, which quickly triggers the immune system to respond to virus invasion and toxic damage to the liver...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29180836/skin-immune-landscape-inside-and-outside-the-organism
#15
REVIEW
Florence Abdallah, Lily Mijouin, Chantal Pichon
The skin is an essential organ to the human body protecting it from external aggressions and pathogens. Over the years, the skin was proven to have a crucial immunological role, not only being a passive protective barrier but a network of effector cells and molecular mediators that constitute a highly sophisticated compound known as the "skin immune system" (SIS). Studies of skin immune sentinels provided essential insights of a complex and dynamic immunity, which was achieved through interaction between the external and internal cutaneous compartments...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29170605/toll-like-receptor-4-signalling-and-its-impact-on-platelet-function-thrombosis-and-haemostasis
#16
REVIEW
Thomas M Vallance, Marie-Theres Zeuner, Harry F Williams, Darius Widera, Sakthivel Vaiyapuri
Platelets are anucleated blood cells that participate in a wide range of physiological and pathological functions. Their major role is mediating haemostasis and thrombosis. In addition to these classic functions, platelets have emerged as important players in the innate immune system. In particular, they interact with leukocytes, secrete pro- and anti-inflammatory factors, and express a wide range of inflammatory receptors including Toll-like receptors (TLRs), for example, Toll-like receptor 4 (TLR4). TLR4, which is the most extensively studied TLR in nucleated cells, recognises lipopolysaccharides (LPS) that are compounds of the outer surface of Gram-negative bacteria...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29147074/increased-levels-of-srage-in-diabetic-ckd-g5d-patients-a-potential-protective-mechanism-against-age-related-upregulation-of-fibroblast-growth-factor-23-and-inflammation
#17
Elena Dozio, Valentina Corradi, Elena Vianello, Elisa Scalzotto, Massimo de Cal, Massimiliano Marco Corsi Romanelli, Claudio Ronco
Advanced glycation end products (AGEs) may induce cardiac remodeling in kidney disease by promoting fibroblast growth factor 23 (FGF-23) expression. Since AGEs are increased in diabetes mellitus (DM), our first aim was to evaluate the existence of any potential association between AGEs, FGF-23, inflammation, and increased cardiovascular risk in DM patients on dialysis (CKD-G5D). Secondarily, we explored the potential role of the soluble receptor for AGEs (sRAGE) as a marker of heart failure. Levels of glycated albumin (GA), sRAGE, c-terminal FGF-23 (cFGF-23), brain natriuretic peptide (BNP), and inflammatory mediators were compared between DM and non-DM CKD-G5D patients...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29147073/metformin-suppressed-cxcl8-expression-and-cell-migration-in-hek293-tlr4-cell-line
#18
Zhihui Xiao, Wenjun Wu, Vladimir Poltoratsky
Chronic inflammation is associated with cancer. CXCL8 promotes tumor microenvironment construction through recruiting leukocytes and endothelial progenitor cells that are involved in angiogenesis. It also enhances tumor cell proliferation and migration. Metformin, type II diabetes medication, demonstrates anticancer properties via suppressing inflammation, tumor cell proliferation, angiogenesis, and metastasis. This study intended to address the role of metformin in regulation of CXCL8 expression and cell proliferation and migration...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29147072/paradoxical-association-of-postoperative-plasma-sphingosine-1-phosphate-with-breast-cancer-aggressiveness-and-chemotherapy
#19
Rajesh Ramanathan, Ali Raza, Jamie Sturgill, Debra Lyon, Jessica Young, Nitai C Hait, Kazuaki Takabe
Sphingosine-1-phosphate (S1P) is a bioactive lipid mediator that has been shown to serve an important regulatory function in breast cancer progression. This study analyzes plasma S1P levels in breast cancer patients undergoing adjuvant therapy as compared to healthy control volunteers. 452 plasma S1P samples among 158 breast cancer patients, along with 20 healthy control volunteers, were analyzed. Mean S1P levels did not significantly differ between cancer patients and controls. Smoking was associated with higher S1P levels in cancer patients...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29147071/exhaled-nitric-oxide-is-useful-in-symptomatic-radioactive-pneumonia-a-retrospective-study
#20
Jiancheng Li, Xiaobin Fu, Jie Fu
The aim was to defect the exhaled nitric oxide (eNO) prediction value of symptomatic radioactive pneumonia (SRP). 64 cases of lung cancer or esophagus cancer, who had the primary radiotherapy (intensity-modulated radiation therapy), were included from 2015 June to 2016 January. During the following, the patients were divided: the symptomatic radiation pneumonia group (SRP, with the CTCAE v4.0 score > 2) and the asymptomatic radiation pneumonia group (ASRP, with CTCAE v4.0 score ≤ 1). All the patients were measured eNO before and at the end of thoracic radiotherapy and gain the posttherapy eNO value and the eNO ratio (posttherapy eNO value/pretherapy eNO value), then the predictive values of eNO toward SRP were measured using the receiver-operating characteristic (ROC)...
2017: Mediators of Inflammation
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