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https://www.readbyqxmd.com/read/28749573/il-6-stat3-signaling-as-a-promising-target-to-improve-the-efficacy-of-cancer-immunotherapy
#1
REVIEW
Hidemitsu Kitamura, Yosuke Ohno, Yujiro Toyoshima, Junya Ohtake, Shigenori Homma, Hideki Kawamura, Norihiko Takahashi, Akinobu Taketomi
Overcoming the immunosuppressive state in tumor microenvironments is a critical issue to improve the efficacy of cancer immunotherapy. Interleukin (IL)-6, a pleiotropic cytokine, is highly produced in the tumor-bearing host. Previous studies have indicated that IL-6 suppresses the antigen presentation ability of dendritic cells (DCs) through activation of signal transducer and activator of transcription 3 (STAT3). Thus, we focused on the precise effect of the IL-6/STAT3 signaling cascade on human DCs and the subsequent induction of antitumor T cell immune responses...
July 27, 2017: Cancer Science
https://www.readbyqxmd.com/read/28748166/assessment-of-immunomodulatory-activity-of-aqueous-extract-of-calamus-rotang
#2
Amit Gupta, Sushama Ravindra Chaphalkar
OBJECTIVE: There are a number of medicinal plant products which has been used to treat various immunological diseases. Out of these medicinal plants, Calamus rotang has shown several medicinal properties including anti-viral, anti-diabetic, anti-inflammatory effects. Normally, the roots of C. rotang are used in various ailments to cure piles, burning sensation, cough, leprosy and bleeding disorder and also it was used in the treatment of inflammation. In the present study, our group were investigated the immunomodulatory activity of aqueous extract of C...
May 2017: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28747747/involvement-of-monocyte-subsets-in-the-immunopathology-of-giant-cell-arteritis
#3
Yannick van Sleen, Qi Wang, Kornelis S M van der Geest, Johanna Westra, Wayel H Abdulahad, Peter Heeringa, Annemieke M H Boots, Elisabeth Brouwer
Monocytes/macrophages are critical in systemic and local inflammation in giant cell arteritis (GCA) and possibly in clinically overlapping polymyalgia rheumatica (PMR). Therefore, we aimed to understand the contribution of monocyte subsets and the CX3CR1-CX3CL1 and CCR2-CCL2 migratory pathways, to the pathology of GCA. Peripheral blood monocytes were enumerated in samples from newly-diagnosed, untreated GCA and PMR patients and after prednisone-induced remission. The distribution of classical (CD14(bright)CD16(neg)) and the more pro-inflammatory, intermediate (CD14(bright)CD16+) and non-classical (CD14(dim)CD16+) monocyte subsets was analysed by flow cytometry...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28739622/an-unusual-case-of-interstitial-lung-disease-in-a-patient-with-cardiopulmonary-syndrome-as-the-initial-presentation-of-erdheim-chester-disease
#4
Domingo Franco-Palacios, April McDonald, R Neal Aguillard, Allen Berry
Erdheim-Chester disease (ECD) is a very rare disorder with only approximately 600 cases reported in the literature. ECD has been recently reclassified as a histiocytic dendritic cell neoplasm. The clinical spectrum ranges from asymptomatic tissue accumulation of histiocytes to invasive tissue infiltration, which can cause fulminant multisystem failure. It typically presents with bone pain and constitutional symptoms. Extraosseous manifestations are not uncommon. ECD-associated interstitial lung disease has been described in 20%-35% of patients...
July 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28738359/predictors-of-subclinical-inflammatory-obesity-plasma-levels-of-leptin-very-low-density-lipoprotein-cholesterol-and-cd14-expression-of-cd16-monocytes
#5
Fernanda Leite, Ângela Leite, Ana Santos, Margarida Lima, Joselina Barbosa, Marco Cosentino, Laura Ribeiro
OBJECTIVE: Predictors of subclinical inflammatory obesity (SIO) can be important tools for early therapeutic interventions in obesity-related comorbidities. Waist circumference (WC) and BMI have different SIO sensitivity. We aimed to i) identify SIO predictors and ii) investigate whether CD16+ monocytes are associated with BMI- (generally) or WC-defined (centrally) obesity. METHODS: Anthropometric and metabolic/endocrine (namely catecholamines, adrenaline and noradrenaline) parameters were evaluated, and CD16+ monocytes were studied by flow cytometry in the peripheral blood from 63 blood donors, and compared and correlated to each other...
July 22, 2017: Obesity Facts
https://www.readbyqxmd.com/read/28734896/porcine-cd14-gene-silencing-partially-inhibited-the-bacterial-immune-response-mediated-by-tlr4-signaling-pathway
#6
Chaohui Dai, Haifei Wang, Guoqiang Zhu, Shenglong Wu, Wenbin Bao
Cluster of differentiation antigen 14 (CD14) is the membrane receptor protein in Toll-like Receptor 4 (TLR4) signaling pathway, which plays an important regulation role in not only innate immune response but also adaptive immune response. In this study, the pig kidney epithelial cell (PK15) line with CD14 gene silencing mediated by lentivirus was established and cells of CD14-RNAi and NC group were exposed to three kinds of Escherichia coli (E. coli F18ab, E. coli F18ac and E. coli K88ac) and LPS. Then qPCR and western blot were used to detect expression levels of TLR4 signaling pathway-related genes...
July 19, 2017: Gene
https://www.readbyqxmd.com/read/28732735/acidic-polysaccharide-complexes-from-purslane-silver-linden-and-lavender-stimulate-peyer-s-patch-immune-cells-through-innate-and-adaptive-mechanisms
#7
Yordan N Georgiev, Manol H Ognyanov, Hiroaki Kiyohara, Tsvetelina G Batsalova, Balik M Dzhambazov, Milan Ciz, Petko N Denev, Haruki Yamada, Berit S Paulsen, Ondrej Vasicek, Antonin Lojek, Hilde Barsett, Daniela Antonova, Maria G Kratchanova
Three polysaccharide complexes (PSCs) were isolated from the aerial parts of common purslane (Portulaca oleracea L.), and the flowers of common lavender (Lavandula angustifolia Mill.) and silver linden (Tilia tomentosa Moench) by boiling water extraction and ethanol precipitation. The chemical composition and immunomodulating effects of isolated PSCs were characterized. The chemical characterization revealed that the three samples contain mainly pectic polysaccharides. They exhibited ex vivo intestinal immunomodulating activity through the murine Peyer's patch-mediated bone marrow cell proliferation test at 100μg/ml concentration...
July 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28732059/ecis-technology-reveals-that-monocytes-isolated-by-cd14-ve-selection-mediate-greater-loss-of-bbb-integrity-than-untouched-monocytes-which-occurs-to-a-greater-extent-with-il-1%C3%AE-activated-endothelium-in-comparison-to-tnf%C3%AE
#8
Dan Ting Kho, Rebecca Johnson, Laverne Robilliard, Elyce du Mez, Julie McIntosh, Simon J O'Carroll, Catherine E Angel, E Scott Graham
BACKGROUND: We have previously shown that TNFα and IL-1β differentially regulate the inflammatory phenotype of human brain endothelial cells (hCMVECs). In this regard, IL-1β treatment was considerably more potent than TNFα at increasing expression of inflammatory chemokines and leukocyte adhesion molecules. We therefore hypothesised that interaction of the hCMVECs with human monocytes would also be dependent on the activation status of the endothelium. Therefore, the primary aim of this study was to assess whether brain endothelial cells activated by IL-1β or TNFα differed in their interaction with monocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28728565/identification-of-differential-co-expressed-gene-networks-in-early-rheumatoid-arthritis-achieving-sustained-drug-free-remission-after-treatment-with-a-tocilizumab-based-or-methotrexate-based-strategy
#9
Xavier M Teitsma, Johannes W G Jacobs, Michal Mokry, Michelle E A Borm, Attila Pethö-Schramm, Jacob M van Laar, Johannes W J Bijlsma, Floris P J Lafeber
BACKGROUND: Methotrexate is endorsed to be used as first-line treatment in rheumatoid arthritis (RA). However, a large proportion of patients need additional treatment with a biological disease-modifying anti-rheumatic drug (DMARD) to adequately suppress their disease activity. A better understanding of genotypes could help to distinguish between patients with different pathogenic mechanisms. The aim of this study was therefore to identify networks of genes within DMARD-naive early RA patients associated with achieving sustained drug-free remission (sDFR) after initiating tocilizumab plus methotrexate, tocilizumab, or methotrexate therapy...
July 20, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28726251/effect-of-radical-prostatectomy-on-levels-of-cancer-related-epitopes-in-circulating-macrophages-of-patients-with-clinically-localized-prostate-cancer
#10
Tilman Todenhöfer, Jörg Hennenlotter, Gabriel Keller, Tim Neumann, Arnulf Stenzl, Jens Bedke
OBJECTIVE: Epitopes of the apoptosis related protein DNaseX (Apo10) and the pentose-phosphate-pathway associated protein transketolase-like 1 (TKTL1) have been shown to be increased in circulating macrophages of patients with different cancer types including prostate cancer (PC). So far, the effect of cancer-specific therapies on the levels of these markers in blood samples of patients with PC has not been evaluated yet. The aim of the present study was to prospectively assess the effect of surgical removal of the prostate on levels of Apo10 and TKTL1 in blood macrophages using Epitope Detection In Monocytes (EDIM)...
July 20, 2017: Prostate
https://www.readbyqxmd.com/read/28723708/subclinical-herpesvirus-shedding-among-hiv-1-infected-men-on-antiretroviral-therapy
#11
Arcadio Agudelo-Hernandez, Yue Chen, Arlene Bullotta, William G Buchanan, Cynthia R Klamar-Blain, Luann Borowski, Sharon A Riddler, Charles R Rinaldo, Bernard Jc Macatangay
DESIGN: We evaluated the subclinical shedding of 6 different herpesviruses in antiretroviral drug-treated HIV(+) men who have sex with men (MSM), and determined how this is associated with markers of inflammation and immune activation. METHODS: We obtained blood, semen, throat washing, urine, and stool from 15 antiretroviral-treated HIV-1-infected MSM with CD4 T cell reconstitution, and 12 age-matched HIV(-) MSM from the Multicenter AIDS Cohort Study at 4 timepoints over 24 weeks to measure DNA levels of cytomegalovirus (CMV), Epstein-Barr virus (EBV), herpes simplex virus 1 and 2, human herpesvirus 6 (HHV6), and HHV8...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28722635/early-life-inflammation-and-neurodevelopmental-outcome-in-bangladeshi-infants-growing-up-in-adversity
#12
Nona M Jiang, Fahmida Tofail, Jennie Z Ma, Rashidul Haque, Beth Kirkpatrick, Charles A Nelson, William A Petri
Exposure to profound adversity can negatively affect the neurodevelopment of children, but biologic mechanisms that underlie this association remain unknown. We sought to determine whether elevated levels of the inflammatory markers C-reactive protein (CRP) and soluble CD14 (sCD14) are associated with neurodevelopmental outcomes in Bangladeshi children. A total of 422 infant-mother pairs from an urban slum in Dhaka, Bangladesh, were enrolled at birth and followed prospectively. Inflammation was measured with sCD14, interleukin (IL)-1β, and IL-6 at 18 weeks, and CRP at 6, 18, 40, and 53 weeks...
July 17, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719602/prehospital-immune-responses-and-development-of-multiple-organ-dysfunction-syndrome-following-traumatic-injury-a-prospective-cohort-study
#13
Jon Hazeldine, David N Naumann, Emma Toman, David Davies, Jonathan R B Bishop, Zhangjie Su, Peter Hampson, Robert J Dinsdale, Nicholas Crombie, Niharika Arora Duggal, Paul Harrison, Antonio Belli, Janet M Lord
BACKGROUND: Almost all studies that have investigated the immune response to trauma have analysed blood samples acquired post-hospital admission. Thus, we know little of the immune status of patients in the immediate postinjury phase and how this might influence patient outcomes. The objective of this study was therefore to comprehensively assess the ultra-early, within 1-hour, immune response to trauma and perform an exploratory analysis of its relationship with the development of multiple organ dysfunction syndrome (MODS)...
July 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28718265/haemoglobinuria-and-portal-venous-thrombosis-in-a-young-male
#14
Zain Ul Abideen, Munnam Sohail Jafar, Nasir Hameed, Ahmad Malik
Paroxysmal nocturnal haemoglobinuria is a non-malignant stem cell disorder due to acquired somatic mutations in cell surface anchored proteins CD55 and CD59. Both have a compliment inhibitory role and their deficiency leads to intravascular haemolysis. This paper reports a challenging case of a 25 years old male who presented with generalized weakness, exertional dyspnoea and episodic early morning haematuria. Recently, he started developing progressive abdominal distention and dull generalized abdominal pain...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28712405/-changes-of-monocyte-and-monocyte-platelet-aggregates-in-different-subgroups-of-thrombotic-events-in-patients-with-acute-myocardial-infarction-during-pci
#15
Sheng Wang, Cuifang Sun, Wang Liao, Zhongwei Wu, Yudai Wang, Xiuxian Huang, Sijia Lu, Xiaoli Dong, Fujie Shuai, Bin Li
Objective To investigate the impact of thrombotic events on the alterations of monocyte and monocyte-platelet aggregates (MPAs) in patients with acute myocardial infarction (AMI) during percutaneous coronary intervention (PCI). Methods Blood was collected before PCI for flow cytometry. Monocyte subsets and MPAs were detected by four-color platform (CDl4-APC, CDl6-PE-Cy7, CD86-PE and CD41-Alexa Fluor(R)488). According to the expression of the platelet surface marker CD41, the number of monocyte subsets and MPAs was analyzed using the fluorescent microspheres of absolute counting tube...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28711968/local-and-systemic-immunity-predict-survival-in-patients-with-pulmonary-sarcomatoid-carcinoma
#16
Erin Schenk, Jennifer Boland, Aaron Mansfield, Marie Christine Aubry, Allan Dietz
Pulmonary sarcomatoid cancer (PSC) is a rare, aggressive subtype of non-small cell lung cancer, and measures of local and systemic immunity as biomarkers are incompletely known. We performed this study to characterize the leukocyte composition within the tumor, stroma, and peripheral blood in patients with PSC and correlated our findings with overall survival. Tissue from 30 patients diagnosed with PSC was evaluated by IHC for the presence of CD3(+), CD14(+), and CD19(+) cells and PD-L1 expression. A lymphocyte-to-monocyte ratio (LMR) was calculated for the tumor microenvironment (TME) and peripheral blood...
August 2017: Medical Oncology
https://www.readbyqxmd.com/read/28711948/peroxisome-proliferator-activated-receptor-%C3%AE-coactivator-1%C3%AE-pgc-1%C3%AE-regulates-the-expression-of-b-cell-lymphoma-leukemia-2-bcl-2-and-promotes-the-survival-of-mesenchymal-stem-cells-mscs-via-pgc-1%C3%AE-err%C3%AE-interaction-in-the-absence-of-serum-hypoxia-and-high-glucose
#17
Min Wang, Guangxin Yang, Xiaoyan Jiang, Debin Lu, Hao Mei, Bing Chen
BACKGROUND To study the effect of estrogen-related receptor α (ERRα) and peroxisome proliferator-activated receptor-γ coactivator-1α (PGC-1α) on mesenchymal stem cells (MSCs) apoptosis, and further investigated its detailed molecular mechanisms in the absence of serum, hypoxia, and high glucose conditions. MATERIAL AND METHODS In our study, we first evaluated the expression rates of CD14, CD34, CD45, CD44, CD29, and Sca-1 surface markers on MSCs by flow cytometry. Then, the ability of osteogenic and fatty differentiation of MSCs was determined by osteogenic differentiation and adipogenesis reagent kit...
July 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28710478/recombinant-fasciola-hepatica-fatty-acid-binding-protein-suppresses-toll-like-receptor-stimulation-in-response-to-multiple-bacterial-ligands
#18
Marcos J Ramos-Benítez, Caleb Ruiz-Jiménez, Vasti Aguayo, Ana M Espino
Recently, we reported that a native Fasciola hepatica fatty acid binding protein (FABP) termed Fh12 is a powerful anti-inflammatory protein capable of suppressing the LPS-induced expression of inflammatory markers in vivo and in vitro. Because the purification of a protein in native form is, in many situations not cost-beneficial and unsuitable for industrial grade scale-up, this study accomplished the task of optimizing the expression and purification of a recombinant form of FABP (Fh15). Additionally, we ascertained whether this molecule could exhibit a similar suppressive effect on TLR-stimulation and inflammatory cytokine expression from macrophages than those previously demonstrated for the native molecule...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28707376/immunosenescence-induced-by-plasma-from-individuals-with-obesity-caused-cell-signaling-dysfunction-and-inflammation
#19
Mariana Migliorini Parisi, Lucas Kich Grun, Patrícia Lavandoski, Letícia Biscaino Alves, Ivi Juliana Bristot, Rita Mattiello, Cláudio Corá Mottin, Fábio Klamt, Marcus Herbert Jones, Alexandre Vontobel Padoin, Fátima Costa Rodrigues Guma, Florencia María Barbé-Tuana
OBJECTIVE: To evaluate the consequences of plasma from individuals with obesity on parameters associated with immunosenescence in unrelated healthy peripheral blood mononuclear cells (PBMC). METHODS: Freshly isolated PBMC were incubated in media supplemented with 10% of plasma from individuals with obesity or control subjects for the first 4 hours of 24 to 120 hours of culture. RESULTS: Plasma from individuals with obesity modulated the phenotype of healthy PBMC, leading to a higher rate of apoptosis, lower amounts of phospho-γH2AX and -p53, and mitochondrial dysfunction...
July 14, 2017: Obesity
https://www.readbyqxmd.com/read/28705936/cd14-is-a-key-mediator-of-both-lysophosphatidic-acid-and-lipopolysaccharide-induction-of-foam-cell-formation
#20
Dong An, Feng Hao, Fuqiang Zhang, Wei Kong, Jerold Chun, Xuemin Xu, Mei-Zhen Cui
Macrophage uptake of oxidized lowdensity lipoprotein (oxLDL) plays an important role in foam cell formation and the pathogenesis of atherosclerosis. We report here that lysophosphatidic acid (LPA) enhances lipopolysaccharide (LPS)-induced oxLDL uptake in macrophages. Our data revealed that both LPA and LPS highly induce the CD14 expression at messenger RNA and protein levels in macrophages. The role of CD14, one component of the LPS receptor cluster, in LPA-induced biological functions has been unknown. We took several steps to examine the role of CD14 in LPA signaling pathways...
July 13, 2017: Journal of Biological Chemistry
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