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Mediators of Inflammation

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https://www.readbyqxmd.com/read/28239238/cytokine-imbalance-as-a-common-mechanism-in-both-psoriasis-and-rheumatoid-arthritis
#1
Yong Tan, Qiu Qi, Cheng Lu, Xuyan Niu, Yanping Bai, Chunyan Jiang, Yang Wang, Youwen Zhou, Aiping Lu, Cheng Xiao
Psoriasis (PS) and rheumatoid arthritis (RA) are immune-mediated inflammatory diseases. Previous studies showed that these two diseases had a common pathogenesis, but the precise molecular mechanism remains unclear. In this study, RNA sequencing of peripheral blood mononuclear cells was employed to explore both the differentially expressed genes (DEGs) of 10 PS and 10 RA patients compared with those of 10 healthy volunteers and the shared DEGs between these two diseases. Bioinformatics network analysis was used to reveal the connections among the shared DEGs and the corresponding molecular mechanism...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28210073/macrophages-as-key-drivers-of-cancer-progression-and-metastasis
#2
REVIEW
Sebastian R Nielsen, Michael C Schmid
Macrophages are one of the most abundant immune cells in the tumour microenvironment of solid tumours and their presence correlates with reduced survival in most cancers. Macrophages are present at all stages of tumour progression and stimulate angiogenesis, tumour cell invasion, and intravasation at the primary site. At the metastatic site, macrophages and monocytes prepare for the arrival of disseminated tumour cells and promote their extravasation and survival by inhibiting immune-mediated clearance or by directly engaging with tumour cells to activate prosurvival signalling pathways...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28210072/the-parenteral-vitamin-c-improves-sepsis-and-sepsis-induced-multiple-organ-dysfunction-syndrome-via-preventing-cellular-immunosuppression
#3
Yu-Lei Gao, Bin Lu, Jian-Hua Zhai, Yan-Cun Liu, Hai-Xia Qi, Ying Yao, Yan-Fen Chai, Song-Tao Shou
Cellular immunosuppression appears to be involved in sepsis and sepsis-induced multiple organ dysfunction syndrome (MODS). Recent evidence showed that parenteral vitamin C (Vit C) had the ability to attenuate sepsis and sepsis-induced MODS. Herein, we investigated the impact of parenteral Vit C on cellular immunosuppression and the therapeutic value in sepsis. Using cecal ligation and puncture (CLP), sepsis was induced in WT and Gulo(-/-) mice followed with 200 mg/Kg parenteral Vit C administration. The immunologic functions of CD4(+)CD25(+) regulatory T cells (Tregs) and CD4(+)CD25(-) T cells, as well as the organ functions, were determined...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28210071/update-on-the-medical-management-of-gastrointestinal-beh%C3%A3-et-s-disease
#4
REVIEW
Giuseppe Lopalco, Donato Rigante, Vincenzo Venerito, Claudia Fabiani, Rossella Franceschini, Michele Barone, Giovanni Lapadula, Mauro Galeazzi, Bruno Frediani, Florenzo Iannone, Luca Cantarini
Behçet's disease (BD) is a multisystemic disorder of unknown etiology mainly defined by recurrent oral aphthosis, genital ulcers, and chronic relapsing bilateral uveitis, all of which represent the "stigmata" of disease. However, many other organs including the vascular, neurological, musculoskeletal, and gastrointestinal systems can be affected. The gastrointestinal involvement in Behçet's disease (GIBD), along with the neurological and vascular ones, represents the most feared clinical manifestation of BD and shares many symptoms with inflammatory bowel diseases, such as Crohn's disease and ulcerative colitis...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28203046/neuroinflammation-as-fuel-for-axonal-regeneration-in-the-injured-vertebrate-central-nervous-system
#5
REVIEW
Ilse Bollaerts, Jessie Van Houcke, Lien Andries, Lies De Groef, Lieve Moons
Damage to the central nervous system (CNS) is one of the leading causes of morbidity and mortality in elderly, as repair after lesions or neurodegenerative disease usually fails because of the limited capacity of CNS regeneration. The causes underlying this limited regenerative potential are multifactorial, but one critical aspect is neuroinflammation. Although classically considered as harmful, it is now becoming increasingly clear that inflammation can also promote regeneration, if the appropriate context is provided...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28197019/inflammation-and-cancer-extra-and-intracellular-determinants-of-tumor-associated-macrophages-as-tumor-promoters
#6
REVIEW
Gabor J Szebeni, Csaba Vizler, Klara Kitajka, Laszlo G Puskas
One of the hallmarks of cancer-related inflammation is the recruitment of monocyte-macrophage lineage cells to the tumor microenvironment. These tumor infiltrating myeloid cells are educated by the tumor milieu, rich in cancer cells and stroma components, to exert functions such as promotion of tumor growth, immunosuppression, angiogenesis, and cancer cell dissemination. Our review highlights the ontogenetic diversity of tumor-associated macrophages (TAMs) and describes their main phenotypic markers. We cover fundamental molecular players in the tumor microenvironment including extra- (CCL2, CSF-1, CXCL12, IL-4, IL-13, semaphorins, WNT5A, and WNT7B) and intracellular signals...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28197018/g%C3%AE-q-regulates-the-development-of-rheumatoid-arthritis-by-modulating-th1-differentiation
#7
Dashan Wang, Yuan Liu, Yan Li, Yan He, Jiyun Zhang, Guixiu Shi
The Gαq-containing G protein, an important member of Gq/11 class, is ubiquitously expressed in mammalian cells. Gαq has been found to play an important role in immune regulation and development of autoimmune disease such as rheumatoid arthritis (RA). However, how Gαq participates in the pathogenesis of RA is still not fully understood. In the present study, we aimed to find out whether Gαq controls RA via regulation of Th1 differentiation. We observed that the expression of Gαq was negatively correlated with the expression of signature Th1 cytokine (IFN-γ) in RA patients, which suggests a negative role of Gαq in differentiation of Th1 cells...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28194047/progranulin-inhibits-human-t-lymphocyte-proliferation-by-inducing-the-formation-of-regulatory-t-lymphocytes
#8
Kyu Hwan Kwack, Hyeon-Woo Lee
We have examined the effect of progranulin (PGRN) on human T cell proliferation and its underlying mechanism. We show that PGRN inhibits the PHA-induced multiplication of T lymphocytes. It increases the number of iTregs when T lymphocytes are activated by PHA but does not do so in the absence of PHA. PGRN-mediated inhibition of T lymphocyte proliferation, as well as the induction of iTregs, was completely reversed by a TGF-β inhibitor or a Treg inhibitor. PGRN induced TGF-β secretion in the presence of PHA whereas it did not in the absence of PHA...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28194046/morinda-citrifolia-noni-fruit-juice-reduces-inflammatory-cytokines-expression-and-contributes-to-the-maintenance-of-intestinal-mucosal-integrity-in-dss-experimental-colitis
#9
Beatriz Coutinho de Sousa, Juliana Reis Machado, Marcos Vinicius da Silva, Thiago Alvares da Costa, Javier Emilio Lazo-Chica, Thatiane do Prado Degasperi, Virmondes Rodrigues Junior, Helioswilton Sales-Campos, Elizabeth Uber Bucek, Carlo José Freire Oliveira
Morinda citrifolia L. (noni) has been shown to treat different disorders. However, data concerning its role in the treatment of intestinal inflammation still require clarification. In the current study, we investigated the effects of noni fruit juice (NFJ) in the treatment of C57BL/6 mice, which were continuously exposed to dextran sulfate sodium (DSS) for 9 consecutive days. NFJ consumption had no impact on the reduction of the clinical signs of the disease or on weight loss. Nonetheless, when a dilution of 1 : 10 was used, the intestinal architecture of the mice was preserved, accompanied by a reduction in the inflammatory infiltrate...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28194045/deregulation-of-regulatory-t-cells-in-acute-on-chronic-liver-failure-a-rat-model
#10
Shunlan Ni, Shanshan Li, Naibin Yang, Xinyue Tang, Shengguo Zhang, Danping Hu, Mingqin Lu
Aims. Acute-on-chronic liver failure (ACLF) and acute liver failure (ALF) are similar in many respects during their acute exacerbation; however, ACLF generally has a poorer prognosis. We aimed to investigate the role and dynamic changes of regulatory T cell (Treg) and T helper 17 (Th17) cell proportions during ACLF progress. Methods. All rats were classified into two groups randomly: ACLF group and ALF group (control group). The rat model of ACLF was preestablished by intraperitoneal injection of carbon tetrachloride for 2 months...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28190938/elucidation-of-the-anti-inflammatory-mechanisms-of-bupleuri-and-scutellariae-radix-using-system-pharmacological-analyses
#11
Xia Shen, Zhenyu Zhao, Hao Wang, Zihu Guo, Benxiang Hu, Gang Zhang
Objective. This study was aimed at elucidating the molecular mechanisms underlying the anti-inflammatory effect of the combined application of Bupleuri Radix and Scutellariae Radix and explored the potential therapeutic efficacy of these two drugs on inflammation-related diseases. Methods. After searching the databases, we collected the active ingredients of Bupleuri Radix and Scutellariae Radix and calculated their oral bioavailability (OB) and drug-likeness (DL) based on the absorption-distribution-metabolism-elimination (ADME) model...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28182101/periductal-mastitis-an-inflammatory-disease-related-to-bacterial-infection-and-consequent-immune-responses
#12
Lu Liu, Fei Zhou, Pin Wang, Lixiang Yu, Zhongbing Ma, Yuyang Li, Dezong Gao, Qiang Zhang, Liang Li, Zhigang Yu
Periductal mastitis (PDM) is a prolonged inflammatory disease, but the cause of PDM is poorly understood. In the present case control study, 87 PDM and 87 healthy controls were enrolled and the results were evaluated to identify the significant risk factors for PDM. To investigate the roles of bacterial infection and critical cytokines expression, 16S rRNA gene sequencing and bacterial culturing were conducted. We also measured the levels of interferon-γ, interleukin-12A, and interleukin-17A by semiquantitative immunohistochemistry method...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28182087/pretreatment-with-fish-oil-based-lipid-emulsion-modulates-muscle-leukocyte-chemotaxis-in-murine-model-of-sublethal-lower-limb-ischemia
#13
Yao-Ming Shih, Juey-Ming Shih, Yu-Chen Hou, Chiu-Li Yeh, Cheng-Che Li, Sung-Ling Yeh
This study investigated the effects of a fish oil- (FO-) based lipid emulsion on muscle leukocyte chemotaxis and inflammatory responses in a murine model of limb ischemia-reperfusion (IR) injury. Mice were assigned randomly to 1 sham (sham) group, 2 ischemic groups, and 2 IR groups. The sham group did not undergo the ischemic procedure. The mice assigned to the ischemic or IR groups were pretreated intraperitoneally with either saline or FO-based lipid emulsion for 3 consecutive days. The IR procedure was induced by applying a 4...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28182085/maresin-1-mitigates-high-glucose-induced-mouse-glomerular-mesangial-cell-injury-by-inhibiting-inflammation-and-fibrosis
#14
Shi Tang, Chenlin Gao, Yang Long, Wei Huang, Jiao Chen, Fang Fan, Chunxia Jiang, Yong Xu
Background. Inflammation and fibrosis are the important pathophysiologic processes in diabetic nephropathy (DN). Maresin 1 is a potential anti-inflammatory lipid mediator, which has displayed powerful proresolving activities. Aim. We determine whether maresin 1 has protective effect on mouse glomerular mesangial cells (GMCs) induced by high glucose. Methods. We cultured GMCs stimulated by high glucose and categorized as follows: normal glucose group (5.6 mmol/L), high glucose group (30 mmol/L), mannitol group, maresin 1 intervention group (1, 10, and 100 nmol/L), maresin 1 and normal glucose group, and the N-acetylcysteine (NAC) intervention group (10 μmol/L NAC)...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28167853/curcumin-alters-neural-plasticity-and-viability-of-intact-hippocampal-circuits-and-attenuates-behavioral-despair-and-cox-2-expression-in-chronically-stressed-rats
#15
Ga-Young Choi, Hyun-Bum Kim, Eun-Sang Hwang, Seok Lee, Min-Ji Kim, Ji-Young Choi, Sung-Ok Lee, Sang-Seong Kim, Ji-Ho Park
Curcumin is a major diarylheptanoid component of Curcuma longa with traditional usage for anxiety and depression. It has been known for the anti-inflammatory, antistress, and neurotropic effects. Here we examined curcumin effect in neural plasticity and cell viability. 60-channel multielectrode array was applied on organotypic hippocampal slice cultures (OHSCs) to monitor the effect of 10 μM curcumin in long-term depression (LTD) through low-frequency stimulation (LFS) to the Schaffer collaterals and commissural pathways...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28167852/salvia-nelumbinis-naturalis-formula-improved-inflammation-in-lps-stressed-macrophages-via-upregulating-microrna-152
#16
Zansong Ma, Xiangbing Shu, Jie Huang, Haiyan Zhang, Zhen Xiao, Li Zhang
Salvia-Nelumbinis naturalis (SNN) formula is an effective agent in treating nonalcoholic steatohepatitis (NASH); however, the precise mechanisms are still undefined. Activation of Kupffer cells by gut-derived lipopolysaccharide (LPS) plays a central role in the pathogenesis of NASH. In the present study, we aimed to explore the epigenetic regulation of microRNAs under the beneficial effects of SNN-containing serum in LPS stressed macrophages. Kupffer cells were isolated from C57BL/6 mice and treated with LPS or LPS and SNN-containing serum; the mRNA expression of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) was assessed...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28167851/il-1%C3%AE-induced-accumulation-of-amyloid-macroautophagy-in-skeletal-muscle-depends-on-erk
#17
Karsten Schmidt, Magdalena Wienken, Christian W Keller, Peter Balcarek, Christian Münz, Jens Schmidt
The pathology of inclusion body myositis (IBM) involves an inflammatory response and β-amyloid deposits in muscle fibres. It is believed that MAP kinases such as the ERK signalling pathway mediate the inflammatory signalling in cells. Further, there is evidence that autophagic activity plays a crucial role in the pathogenesis of IBM. Using a well established in vitro model of IBM, the autophagic pathway, MAP kinases, and accumulation of β-amyloid were examined. We demonstrate that stimulation of muscle cells with IL-1β and IFN-γ led to an increased phosphorylation of ERK...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28167850/hip-osteonecrosis-is-associated-with-increased-plasma-il-33-level
#18
Jinhui Ma, Wanshou Guo, Zirong Li, Bailiang Wang, Shirui Li, Peng Wang
The recently discovered IL-33 as an IL-1 cytokine family member has been proved to be specifically released from osteonecrotic bones. We aimed to investigate the potential role of IL-33 in the development of osteonecrosis of femoral head (ONFH). Forty patients diagnosed with ONFH and forty age-, sex-, and body mass index- (BMI-) matched healthy subjects were included in this prospective study between March 2016 and September 2016. A commercially available ELISA kit was used to test the level of plasma IL-33...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28163398/%C3%AE%C2%BA-carrageenan-enhances-lipopolysaccharide-induced-interleukin-8-secretion-by-stimulating-the-bcl10-nf-%C3%AE%C2%BAb-pathway-in-ht-29-cells-and-aggravates-c-freundii-induced-inflammation-in-mice
#19
Wei Wu, Zhanghe Zhen, Tingting Niu, Xiaojuan Zhu, Yuli Gao, Jiangyan Yan, Yu Chen, Xiaojun Yan, Haimin Chen
Background. The dietary usage of carrageenan as common food additive has increased observably over the last 50 years. But there is substantial controversy about its safety. Methods. We investigated whether the κ-carrageenan could enhance lipopolysaccharide-induced IL-8 expression by studying its actions on the TLR4-NF-κB pathway. The aggravating effect of κ-carrageenan on Citrobacter freundii DBS100-induced intestinal inflammation was also investigated in a mouse model. Results. Our data show that κ-carrageenan pretreatment promoted LPS-induced IL-8 expression in HT-29 cells...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28163397/the-role-of-pdgfs-and-pdgfrs-in-colorectal-cancer
#20
REVIEW
Roberta M Manzat Saplacan, Loredana Balacescu, Claudia Gherman, Romeo I Chira, Anca Craiu, Petru A Mircea, Cosmin Lisencu, Ovidiu Balacescu
Introduction. Colorectal cancer (CRC) is an important cause of morbidity and mortality worldwide. Angiogenesis was reported as one important mechanism activated in colorectal carcinogenesis. Tumor microenvironment associated angiogenesis involves a large spectrum of signaling molecules and deciphering their role in colorectal carcinogenesis still represents a major challenge. The aim of our study is to point out the diagnosis and prediction role of PDGF family and their receptors in colorectal carcinogenesis...
2017: Mediators of Inflammation
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