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Il-10+ B cells

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https://www.readbyqxmd.com/read/28934227/hemorrhage-enhances-cytokine-complement-component-3-and-caspase-3-and-regulates-micrornas-associated-with-intestinal-damage-after-whole-body-gamma-irradiation-in-combined-injury
#1
Juliann G Kiang, Joan T Smith, Marsha N Anderson, Thomas B Elliott, Paridhi Gupta, Nagaraja S Balakathiresan, Radha K Maheshwari, Barbara Knollmann-Ritschel
Hemorrhage following whole-body γ-irradiation in a combined injury (CI) model increases mortality compared to whole-body γ-irradiation alone (RI). The decreased survival in CI is accompanied by increased bone marrow injury, decreased hematocrit, and alterations of miRNA in the kidney. In this study, our aim was to examine cytokine homeostasis, susceptibility to systemic bacterial infection, and intestinal injury. More specifically, we evaluated the interleukin-6 (IL-6)-induced stress proteins including C-reactive protein (CRP), complement 3 (C3), Flt-3 ligand, and corticosterone...
2017: PloS One
https://www.readbyqxmd.com/read/28931520/dna-priming-increases-frequency-of-t-cell-responses-to-a-vsv-hiv-vaccine-with-specific-enhancement-of-cd8-t-cell-responses-by-il-12-pdna
#2
Shuying S Li, Nidhi K Kochar, Marnie Elizaga, Christine M Hay, Gregory J Wilson, Kristen W Cohen, Stephen C De Rosa, Rong Xu, Ayuko Ota-Setlik, Daryl Morris, Greg Finak, Mary Allen, Hong-Van Tieu, Ian Frank, Magdalena E Sobieszczyk, Drew Hannaman, Raphael Gottardo, Peter B Gilbert, Georgia D Tomaras, Lawrence Corey, David K Clarke, Michael A Egan, John H Eldridge, M Juliana McElrath, Nicole Frahm
HVTN 087 assessed the effect of increasing doses of pIL-12 adjuvant on the immunogenicity of a HIV-1 multi-antigen (MAG) DNA vaccine delivered by electroporation and boosted with an attenuated VSV-Gag vaccine. We randomized 100 healthy adults to receive placebo, or 3mg HIV-MAG (gag/pol, env, nef/tat/vif) DNA vaccine co-administered with pIL-12 at 0μg, 250μg, 1,000μg or 1,500μg intramuscularly by electroporation at 0, 1 and 3 months followed by intramuscular inoculation with 3.4×10(7) PFU VSV-Gag vaccine at 6 months...
September 20, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28929835/dab389il-2-recombinant-fusion-toxin-effect-on-lymphocyte-and-macrophage-producing-cytokine-subpopulation-cells-in-experimentally-induced-demyelinating-disease-in-mice
#3
Mahendra K Bhopale, Brendan Hilliard, Cris S Constantinescu, S Michael Phillips, Abdolmohamad Rostami
CONTEXT: We have reported previously that DAB389IL-2 recombinant fusion toxin targets IL-2R bearing CD4(+) cells, and suppresses demyelinating disease in acute (A) - and chronic (C) - experimental autoimmune encephalomyelitis (EAE) animal models of multiple sclerosis. OBJECTIVES: The present study was undertaken to investigate the effect of DAB389IL-2 treatment on various cytokine-secreting cell populations in A-EAE and C-EAE mice. MATERIALS AND METHODS: The effects of DAB389IL-2 at doses of 200-, 800-, or 1600 kU administered i...
September 20, 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28928970/the-role-of-hyperuricemia-on-vascular-endothelium-dysfunction
#4
Haitao Zhen, Fen Gui
Hyperuricemia appears to be associated with an increased risk for cardiovascular disease and associated mortality. Population epidemiological data support a causal link between hyperuricemia and cardiovascular disease. Endothelium injury could be one of the potential mechanisms in hyperuricemia-induced cardiovascular disease. However, the specific role of uric acid (UA) in the impairment of vascular relaxation and its signal transduction pathway has not been examined. The authors investigated the role of UA on vascular relaxation, nitric oxide (NO) production and expression of proinflammatory cytokines...
October 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28925397/coactosin-like-protein-clp-cotl1-suppresses-breast-cancer-growth-through-activation-of-il-24-perp-and-inhibition-of-non-canonical-tgf%C3%AE-signaling
#5
L Xia, X Xiao, W L Liu, Y Song, T J J Liu, Y J Li, E Zacksenhaus, X J Hao, Y Ben-David
Coactosin-like protein (CLP, or Cotl1), is an F-actin-binding protein, whose role in cancer is largely unknown. Here we show that CLP/Cotl1 is highly expressed in a rat epithelial breast cancer cell line (FE1.3) compared with its mesenchymal counterpart (FE1.2). Knockdown of CLP/Cotl1 in FE1.3 cells increased cell proliferation, whereas its overexpression in FE1.2 cells inhibited proliferation in culture and reduced tumor growth in xenograft assays in mice. Mechanistically, we identified two major pathways through which CLP/Cotl1 exerts its suppressive effects...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28922466/blinatumomab-pharmacodynamics-and-exposure-response-relationships-in-relapsed-refractory-acute-lymphoblastic-leukemia
#6
Min Zhu, Andrea Kratzer, Jessica Johnson, Chris Holland, Christian Brandl, Indrajeet Singh, Andreas Wolf, Sameer Doshi
We evaluated blinatumomab pharmacokinetics, pharmacodynamics (CD3+ T-cell, CD19+ B-cell, and cytokine levels), and their associations with efficacy or safety in relapsed/refractory acute lymphoblastic leukemia. Blinatumomab pharmacokinetics (continuous intravenous infusion) from a phase 2 study (n = 189; NCT01466179) were assessed noncompartmentally. Associations between steady-state concentration (Css ) and efficacy (complete remission [CR] or CR with partial hematologic recovery [CRh]) or safety (cytokine release syndrome [CRS] and neurologic events [NEs]) were evaluated with statistical models...
September 18, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28922238/primary-central-nervous-system-lymphoma-time-for-diagnostic-biomarkers-and-biotherapies
#7
Louis Royer-Perron, Khê Hoang-Xuan, Agusti Alentorn
PURPOSE OF REVIEW: Primary central nervous system lymphoma (PCNSL) is a rare cancer with a somber prognosis in older patients, which it affects predominantly. Only in recent years have molecular alterations characterizing PCNSL been thoroughly described. This opens possibilities for the use of targeted therapies. Developments in imaging and biomarkers have also great potential to help clinicians faced with diagnostic and prognostic uncertainties. RECENT FINDINGS: Several biomarkers for PCNSL, such as different microRNAs, which could be tested in cerebrospinal fluid and vitreous fluid, and IL-10, which has been shown to have excellent sensitivity and specificity in the cerebrospinal fluid, have emerged in the last years...
September 15, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28921509/baff-augments-iga2-and-il-10-production-by-tlr7-8-stimulated-total-peripheral-blood-b-cells
#8
Gerco den Hartog, Thijs L J van Osch, Martijn Vos, Ben Meijer, Huub F J Savelkoul, R J Joost van Neerven, Sylvia Brugman
Class-switching of B cells to IgA can be induced via both T cell-dependent and T cell-independent mechanisms. IgA is most predominantly produced mucosally and is important for combating infections and allergies. In contrast to mice, humans have two forms of IgA; IgA1 and IgA2 with diverse tissue distribution. In early life, IgA levels might be sub-optimal especially during the fall season when bacterial and viral infections are more common. Therefore, we investigated using human B cells whether T cell-independent factors -promoting cell survival, class switching and immunoglobulin secretion- BAFF, APRIL, IL-10 and retinoic acid can boost IgA production in the context of viral or bacterial infection...
September 17, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28919998/reciprocal-influence-of-b-cells-and-tumor-macro-and-microenvironments-in-the-apc-min-model-of-colorectal-cancer
#9
Francesca Mion, Stefania Vetrano, Silvia Tonon, Viviana Valeri, Andrea Piontini, Alessia Burocchi, Luciana Petti, Barbara Frossi, Alessandro Gulino, Claudio Tripodo, Mario P Colombo, Carlo E Pucillo
One of the most fascinating aspects of the immune system is its dynamism, meant as the ability to change and readapt according to the organism needs. Following an insult, we assist to the spontaneous organization of different immune cells which cooperate, locally and at distance, to build up an appropriate response. Throughout tumor progression, adaptations within the systemic tumor environment, or macroenvironment, result in the promotion of tumor growth, tumor invasion and metastasis to distal organs, but also to dramatic changes in the activity and composition of the immune system...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28918255/microglia-mediated-baff-baffr-ligation-promotes-neuronal-survival-in-brain-ischemia-injury
#10
Kai Li, Wei Yu, Rangjuan Cao, Zhihua Zhu, Guoqing Zhao
The innate immune responses of brain to vascular occlusion are primarily orchestrated by activated microglia. However, the roles of microglia in inflammatory responses to brain ischemic injuries are controversial. Here, we report a new mechanism by which microglia confer protective effects on ischemic neuronal cells. We found that under ischemic condition, the B-cell activating factor (BAFF) was vastly upregulated in microglia and this upregulation could at least be attributed to JAK-STAT signaling pathway activated by IFN-γ and IL-10, which were spatio-temporally enriched in I/R injured brain as well...
September 13, 2017: Neuroscience
https://www.readbyqxmd.com/read/28914997/synergistic-effect-of-l-ascorbic-acid-and-hyaluronic-acid-on-the-expressions-of-matrix-metalloproteinase-3-and-9-in-human-chondrocytes
#11
Teng-Le Huang, Che-Hua Yang, Goichi Yanai, Jo-Yu Liao, Shoichiro Sumi, Kai-Chiang Yang
Proinflammatory cytokines and reactive oxygen species (ROS) are known to be involved in the initiation and progression of osteoarthritis (OA). New evidence clarifying the correlation between ROS and inflammation has indicated that oxidative stress can up-regulate inflammatory cytokines. l-Ascorbic acid (AA), an antioxidant, has been shown to have anti-inflammatory effects and improve matrix deposition in chondrocytes. The purpose of this study was to examine the effects of hyaluronic acid (HA; 100 μg/mL) supplemented with AA (50 μg/mL) on human normal and interleukin-1 beta-stimulated (IL-1β, 10 ng/mL) chondrocytes...
September 15, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28914761/flavonolignans-inhibit-il1-%C3%AE-induced-cross-talk-between-blood-platelets-and-leukocytes
#12
Michal Bijak, Angela Dziedzic, Ewelina Synowiec, Tomasz Sliwinski, Joanna Saluk-Bijak
Interleukin-1 beta (IL-1β)-the most potent pro-inflammatory is responsible for a broad spectrum of immune and inflammatory responses, it induces T-cell and B-cell activation and consequently the synthesis of other pro-inflammatory cytokines (such as IFN-γ and TNF). IL-1β induces the formation of blood platelet-leukocyte aggregates (PLAs), which suggests that IL-1β significantly affects the cross-talk between blood platelets and the immune response system, leading to coronary thrombosis. The aim of our study is to investigate the effect of flavonolignans (silybin, silychristin and silydianin) on the IL-1β-induced interaction between platelets and leukocytes, as well as on the expression and the secretion of pro-inflammatory factors...
September 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28912867/protective-effect-of-controlled-release-of-cytokine-response-modifier-a-from-chitosan-microspheres-on-rat-chondrocytes-from-interleukin-1%C3%AE-induced-inflammation-and-apoptosis
#13
Pang-Hu Zhou, Lei Shi, Bo Qiu
The aim of the present study was to investigate the protective effect of cytokine response modifier A (CrmA) released from chitosan (CS) microspheres in a controlled manner on interleukin (IL)-1β-induced inflammation and apoptosis in chondrocytes. The CrmA release kinetics were characterized by an initial burst release, which was reduced to a linear release over 8 days. Furthermore, chondrocytes were isolated from 1-week-old Sprague Dawley rats. The cell culture was established by stimulation with 10 ng/ml IL-1β and subsequent incubation with CS-CrmA microspheres...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28906456/effects-of-%C3%AE-glucans-ingestion-on-alveolar-bone-loss-intestinal-morphology-systemic-inflammatory-profile-and-pancreatic-%C3%AE-cell-function-in-rats-with-periodontitis-and-diabetes
#14
Viviam de O Silva, Raquel V Lobato, Eric F Andrade, Débora R Orlando, Bruno D B Borges, Márcio G Zangeronimo, Raimundo V de Sousa, Luciano J Pereira
This study aimed to evaluate the effects of β-glucan ingestion (Saccharomyces cerevisiae) on the plasmatic levels of tumor necrosis factor-α (TNF-α) and interleukin-10 (IL-10), alveolar bone loss, and pancreatic β-cell function (HOMA-BF) in diabetic rats with periodontal disease (PD). Besides, intestinal morphology was determined by the villus/crypt ratio. A total of 48 Wistar rats weighing 203 ± 18 g were used. Diabetes was induced by the intraperitoneal injection of streptozotocin (80 mg/kg) and periodontal inflammation, by ligature...
September 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28904877/long-term-repeated-rituximab-treatment-for-childhood-steroid-dependent-nephrotic-syndrome
#15
Ji Hyun Kim, Eujin Park, Hye Sun Hyun, Myung Hyun Cho, Yo Han Ahn, Hyun Jin Choi, Hee Gyung Kang, Il-Soo Ha, Hae Il Cheong
BACKGROUND: Rituximab (RTX) can be used as a rescue therapy for steroid-dependent nephrotic syndrome (SDNS). However, the efficacy and safety of long-term, repeated use of RTX are not established. This study was conducted to assess the efficacy and safety of long-term, repeated RTX treatment in children. METHODS: Eighteen consecutive child patients with SDNS who were treated with three or more cycles of RTX for one year or longer were recruited, and their medical records were retrospectively reviewed...
September 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28902773/reduced-tcr-signalling-contributes-to-impaired-th17-responses-in-tolerant-kidney-transplant-recipients
#16
Estefania Nova-Lamperti, Marco Romano, Sofia Christakoudi, Manohursingh Runglall, Reuben McGregor, Paula Mobillo, Yogesh Kamra, Tjir-Li Tsui, Sonia Norris, Susan John, Dominic A Boardman, Robert I Lechler, Giovanna Lombardi, Maria P Hernandez-Fuentes
BACKGROUND: The development of spontaneous kidney transplant tolerance has been associated with numerous B cell-related immune alterations. We have previously shown that tolerant recipients exhibit reduced B cell receptor (BCR) signalling and higher IL-10 production than healthy volunteers. However, it is unclear whether CD4T cells from tolerant recipients also display an antiinflammatory profile that could contribute to graft maintenance. METHODS: CD4T cells were isolated from kidney transplant recipients who were identified as being tolerant recipients, patients with chronic-rejection or healthy volunteers...
September 12, 2017: Transplantation
https://www.readbyqxmd.com/read/28901380/expression-of-cd19-cd24highcd38high-b-cells-il%C3%A2-10-and-il%C3%A2-10r-in-peripheral-blood-from-patients-with-systemic-lupus-erythematosus
#17
Tao Wang, Zhijun Li, Xingfu Li, Linjie Chen, Hao Zhao, Chao Jiang, Lijun Song
The present study aimed to examine the status and clinical significance of cluster of differentiation (CD) 19+CD24highCD38high regulatory B cells (Bregs), serum interleukin (IL)‑10, serum transforming growth factor (TGF)‑β and IL‑10 receptor (IL‑10R) expression in peripheral blood from patients with systemic lupus erythematosus (SLE). A total of 56 patients with SLE and 35 healthy individuals were recruited to the present study. The SLE disease activity index (SLEDAI) was calculated, and other laboratory parameters were measured...
August 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901193/erk-and-p38-upregulation-versus-bcl-6-downregulation-in-rat-kidney-epithelial-cells-exposed-to-prolonged-hypoxia
#18
Fengbao Luo, Jian Shi, Qianqian Shi, Xiaozhou He, Ying Xia
Hypoxia is a common cause of kidney injury and a major issue in kidney transplantation. Mitogen-activated protein kinases (MAPKs) are involved in the cellular response to hypoxia, but the precise roles of MAPKs in renal cell reactions to hypoxic stress are not well known yet. This work was conducted to investigate the regulation of extracellular signal-regulated kinase-1 and -2 (ERK1/2) and p38 and their signaling-relevant molecules in kidney epithelial cells exposed to prolonged hypoxia. Rat kidney epithelial cells Normal Rat Kidney (NRK)-52E were exposed to hypoxic conditions (1% O2) for 24 to 72 h...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28899983/regulatory-nk-cells-mediated-between-immunosuppressive-monocytes-and-dysfunctional-t-cells-in-chronic-hbv-infection
#19
Haijun Li, Naicui Zhai, Zhongfeng Wang, Hongxiao Song, Yang Yang, An Cui, Tianyang Li, Guangyi Wang, Junqi Niu, Ian Nicholas Crispe, Lishan Su, Zhengkun Tu
BACKGROUND AND AIMS: HBV infection represents a major health problem worldwide, but the immunological mechanisms by which HBV causes chronic persistent infection remain only partly understood. Recently, cell subsets with suppressive features have been recognised among monocytes and natural killer (NK) cells. Here we examine the effects of HBV on monocytes and NK cells. METHODS: Monocytes and NK cells derived from chronic HBV-infected patients and healthy controls were purified and characterised for phenotype, gene expression and cytokines secretion by flow cytometry, quantitative real-time (qRT)-PCR, ELISA and western blotting...
September 12, 2017: Gut
https://www.readbyqxmd.com/read/28899907/a-novel-function-of-cxcl10-in-mediating-monocyte-production-of-proinflammatory-cytokines
#20
Qihong Zhao, Taeg Kim, Jian Pang, Wendy Sun, Xiaoxia Yang, Jinhong Wang, Yunling Song, Hongwei Zhang, Huadong Sun, Vangipuram Rangan, Shrikant Deshpande, Huaping Tang, Mary Ellen Cvijic, Richard Westhouse, Timothy Olah, Jenny Xie, Mary Struthers, Luisa Salter-Cid
IFN-γ-inducible protein 10 (CXCL10), a chemokine that is abundantly secreted in response to inflammatory stimuli, has been implicated in the pathogenesis of multiple inflammatory diseases, such as inflammatory bowel disease. Whereas CXCL10 is traditionally recognized for recruiting pathogenic T cells to inflamed sites, its nonchemotactic role during inflammation remains poorly defined. In this report, we identified a novel function of CXCL10 in the regulation of the inflammatory potential of human monocytes to produce cytokines...
September 12, 2017: Journal of Leukocyte Biology
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