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Intermediate monocyte

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https://www.readbyqxmd.com/read/28044051/maturation-phenotype-of-peripheral-blood-monocyte-macrophage-after-stimulation-with-lipopolysaccharides-in-irritable-bowel-syndrome
#1
Oscar A Rodríguez-Fandiño, Joselín Hernández-Ruiz, Yolanda López-Vidal, Luis Charúa-Guindic, Galileo Escobedo, Max J Schmulson
Background/Aims: Abnormal immune regulation and increased intestinal permeability augmenting the passage of bacterial molecules that can activate immune cells, such as monocytes/macrophages, have been reported in irritable bowel syndrome (IBS). To compare the maturation phenotype of monocytes/macrophages (CD14+) from IBS patients and controls in the presence or absence of E. coli lipopolysaccharides (LPS), in vitro. Methods: Mononuclear cells were isolated from peripheral blood of 20 Rome II-IBS patients and 19 controls and cultured with or without LPS for 72 hours...
January 2, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28039482/preoperative-pulmonary-function-correlates-with-systemic-inflammatory-response-and-prognosis-in-patients-with-non-small-cell-lung-cancer-results-of-a-single-institution-retrospective-study
#2
Yongyin Gao, Hongdian Zhang, Yue Li, Dandan Wang, Yinlu Ma, Qing Chen
This study aimed at analyzing the relationship between preoperative pulmonary function and systemic inflammatory response (SIR) biomarkers, such as neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR) and lymphocyte-to-monocyte ratio (LMR) in patients with non-small cell lung cancer (NSCLC). Furthermore, the prognostic significance of these markers was also examined. The medical records of 358 NSCLC patients, who underwent curative lung resection, were retrospectively analyzed. Pulmonary function test values <80% of the predicted values were used to indicate impairment...
December 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27992874/differential-expression-of-lipoprotein-associated-phospholipase-a2-in-monocyte-subsets-impact-of-uremia-and-atherosclerosis
#3
Christof Ulrich, Bogusz Trojanowicz, Roman Fiedler, Felix Kohler, Anna-Franziska Wolf, Eric Seibert, Matthias Girndt
BACKGROUND: Monocytic products, such as lipoprotein-associated phospholipase A2 (Lp-PLA2), may participate in the development of atherosclerosis. Heterogeneity of monocytes is widely acknowledged. Classical, intermediate, and non-classical subsets can be discerned. Recently, an inflammatory, pro-atherogenic monocyte population could be identified in hemodialysis patients. In this study, we investigated the expression of Lp-PLA2 on leucocytes and different monocyte subpopulations and their possible role in uremia, inflammation, and atherosclerosis...
20, 2016: Nephron
https://www.readbyqxmd.com/read/27992360/chronic-kidney-disease-induces-inflammatory-cd40-monocyte-differentiation-via-homocysteine-elevation-and-dna-hypomethylation
#4
Jiyeon Yang, Pu Fang, Daohai Yu, Lixiao Zhang, Daqing Zhang, Xiaohua Jiang, William Y Yang, Teodoro Bottiglieri, Satya P Kunapuli, Jun Yu, Eric T Choi, Yong Ji, Xiaofeng Yang, Hong Wang
RATIONALE: Patients with chronic kidney disease (CKD) develop hyperhomocysteinemia and have a higher cardiovascular mortality than those without hyperhomocysteinemia by 10-fold. OBJECTIVE: We investigated monocyte differentiation in human CKD and cardiovascular disease (CVD). METHODS AND RESULTS: We identified CD40 as a CKD-related monocyte activation gene using CKD-monocyte -mRNA array analysis and classified CD40 monocyte (CD40(+)CD14(+)) as a stronger inflammatory subset than the intermediate monocyte (CD14(++)CD16(+)) subset...
November 11, 2016: Circulation Research
https://www.readbyqxmd.com/read/27991581/the-intermediate-cd14-cd16-monocyte-subset-increases-in-severe-peripheral-artery-disease-in-humans
#5
Moritz Wildgruber, Teresa Aschenbrenner, Heiko Wendorff, Maria Czubba, Almut Glinzer, Bernhard Haller, Matthias Schiemann, Alexander Zimmermann, Hermann Berger, Hans-Henning Eckstein, Reinhard Meier, Walter A Wohlgemuth, Peter Libby, Alma Zernecke
Monocytes are key players in atherosclerotic. Human monocytes display a considerable heterogeneity and at least three subsets can be distinguished. While the role of monocyte subset heterogeneity has already been well investigated in coronary artery disease (CAD), the knowledge about monocytes and their heterogeneity in peripheral artery occlusive disease (PAOD) still is limited. Therefore, we aimed to investigate monocyte subset heterogeneity in patients with PAOD. Peripheral blood was obtained from 143 patients suffering from PAOD (Rutherford stage I to VI) and three monocyte subsets were identified by flow cytometry: CD14(++)CD16(-) classical monocytes, CD14(+)CD16(++) non-classical monocytes and CD14(++)CD16(+) intermediate monocytes...
December 19, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27989897/phenotypic-changes-of-peripheral-blood-mononuclear-cells-upon-corticosteroid-treatment-in-idiopathic-intermediate-uveitis
#6
Karoline Walscheid, Toni Weinhage, Dirk Foell, Carsten Heinz, Maren Kasper, Arnd Heiligenhaus
We analyzed phenotype and function of peripheral blood mononuclear cells in 9 patients with active idiopathic intermediate uveitis (IIU) before and after 6 and 12weeks of systemic corticosteroid (CS) treatment and compared to 28 healthy individuals. Monocytes from IIU patients showed increased MHCII expression compared with controls (p=0.09). Treatment reduced expression of MHCII, CD86, CD39 and CD124 (all p<0.05), whereas the percentage of CD121b-expressing monocytes was increased by week 6 (p=0.039). Patients showed alterations in T cell polarization (Th1/Th2 ratio: patients 5...
October 28, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27976724/differential-il-1%C3%AE-secretion-by-monocyte-subsets-is-regulated-by-hsp27-through-modulating-mrna-stability
#7
Eva Hadadi, Biyan Zhang, Kajus Baidžajevas, Nurhashikin Yusof, Kia Joo Puan, Siew Min Ong, Wei Hseun Yeap, Olaf Rotzschke, Endre Kiss-Toth, Heather Wilson, Siew Cheng Wong
Monocytes play a central role in regulating inflammation in response to infection or injury, and during auto-inflammatory diseases. Human blood contains classical, intermediate and non-classical monocyte subsets that each express characteristic patterns of cell surface CD16 and CD14; each subset also has specific functional properties, but the mechanisms underlying many of their distinctive features are undefined. Of particular interest is how monocyte subsets regulate secretion of the apical pro-inflammatory cytokine IL-1β, which is central to the initiation of immune responses but is also implicated in the pathology of various auto-immune/auto-inflammatory conditions...
December 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27973435/antithymocyte-globulin-induces-a-tolerogenic-phenotype-in-human-dendritic-cells
#8
Tobias Roider, Michael Katzfuß, Carina Matos, Katrin Singer, Kathrin Renner, Peter J Oefner, Katja Dettmer-Wilde, Wolfgang Herr, Ernst Holler, Marina Kreutz, Katrin Peter
Antithymocyte globulin (ATG) is used in the prevention of graft-versus-host disease during allogeneic hematopoietic stem cell transplantation. It is generally accepted that ATG mediates its immunosuppressive effect primarily via depletion of T cells. Here, we analyzed the impact of ATG-Fresenius (now Grafalon(®)) on human monocyte-derived dendritic cells (DC). ATG induced a semi-mature phenotype in DC with significantly reduced expression of CD14, increased expression of HLA-DR, and intermediate expression of CD54, CD80, CD83, and CD86...
December 11, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27926762/association-of-arterial-and-lymph-node-inflammation-with-distinct-inflammatory-pathways-in-human-immunodeficiency-virus-infection
#9
Ahmed Tawakol, Amorina Ishai, Danny Li, Richard A P Takx, Sophia Hur, Yannick Kaiser, Miguel Pampaloni, Adam Rupert, Denise Hsu, Irini Sereti, Rémi Fromentin, Nicolas Chomont, Peter Ganz, Steven G Deeks, Priscilla Y Hsue
Importance: Human immunodeficiency virus (HIV) infection is associated with a high risk of cardiovascular disease and increased arterial inflammation. In HIV, inflammation is also increased within lymph nodes (LNs), tissues known to harbor the virus even among treated and suppressed individuals. Objective: To test the hypothesis that arterial inflammation is linked to HIV disease activity and to inflammation within HIV-infected tissues (LNs). Design, Setting, and Participants: For this case-control study, participants were recruited from the SCOPE (Observational Study of the Consequences of the Protease Inhibitor Era) cohort, a clinic-based cohort of individuals receiving care at San Francisco General Hospital and the San Francisco Veteran's Affairs Medical Center...
December 7, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27926582/differential-procoagulant-activity-of-microparticles-derived-from-monocytes-granulocytes-platelets-and-endothelial-cells-impact-of-active-tissue-factor
#10
Olga N Shustova, Olga A Antonova, Nina V Golubeva, Svetlana G Khaspekova, Vladimir V Yakushkin, Svetlana A Aksuk, Irina B Alchinova, Mikhail Y Karganov, Alexey V Mazurov
Microparticles released by activated/apoptotic cells exhibit coagulation activity as they express phosphatidylserine and some of them - tissue factor. We compared procoagulant properties of microparticles from monocytes, granulocytes, platelets and endothelial cells and assessed the impact of tissue factor in observed differences. Microparticles were sedimented (20 000g, 30 min) from the supernatants of activated monocytes, monocytic THP-1 cells, granulocytes, platelets and endothelial cells. Coagulation activity of microparticles was examined using plasma recalcification assay...
December 6, 2016: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/27925450/stress-inflammation-and-pain-a-potential-role-for-monocytes-in-fibromyalgia-related-symptom-severity
#11
Ann Gill Taylor, Tamara G Fischer-White, Joel G Anderson, Katharine E Adelstein, Maheswari Murugesan, Janet E Lewis, Michael M Scott, Ronald P A Gaykema, Lisa E Goehler
The possibility that immunological changes might contribute to symptom severity in fibromyalgia (FM) prompted this proof-of-concept study to determine whether differences in monocyte subpopulations might be present in persons with FM compared with healthy controls. Relationships were assessed by comparing specific symptoms in those with FM (n = 20) and patterns of monocyte subpopulations with healthy age-matched and gender-matched controls (n = 20). Within the same time frame, all participants provided a blood sample and completed measures related to pain, fatigue, sleep disturbances, perceived stress, positive and negative affect and depressed mood (and the Fibromyalgia Impact Questionnaire for those with FM)...
December 2016: Stress and Health: Journal of the International Society for the Investigation of Stress
https://www.readbyqxmd.com/read/27896824/patients-with-the-worst-outcomes-after-paracetamol-acetaminophen-induced-liver-failure-have-an-early-monocytopenia
#12
J K Moore, A C MacKinnon, T Y Man, J R Manning, S J Forbes, K J Simpson
BACKGROUND: Acute liver failure (ALF) is associated with significant morbidity and mortality. Studies have implicated the immune response, especially monocyte/macrophages as being important in dictating outcome. AIM: To investigate changes in the circulating monocytes and other immune cells serially in patients with ALF, relate these with cytokine concentrations, monocyte gene expression and patient outcome. METHODS: In a prospective case-control study in the Scottish Liver Transplant Unit, Royal Infirmary Edinburgh, 35 consecutive patients admitted with paracetamol-induced liver failure (POD-ALF), 10 patients with non-paracetamol causes of ALF and 16 controls were recruited...
February 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27889375/integrin-%C3%AE-m%C3%AE-2-is-differently-expressed-by-subsets-of-human-osteoclast-precursors-and-mediates-adhesion-of-classical-monocytes-to-bone
#13
Sara Sprangers, Ton Schoenmaker, Yixuan Cao, Vincent Everts, Teun J de Vries
Bone-degrading osteoclasts are formed through fusion of their monocytic precursors. In the population of human peripheral blood monocytes, three distinct subsets have been identified: classical, intermediate and non-classical monocytes. We have previously shown that when the monocyte subsets are cultured on bone, significantly more osteoclasts are formed from classical monocytes than from intermediate or non-classical monocytes. Considering that this difference does not exist when monocyte subsets are cultured on plastic, we hypothesized that classical monocytes adhere better to the bone surface compared to intermediate and non-classical monocytes...
January 1, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/27881605/monocytes-and-dendritic-cells-are-the-primary-sources-of-interleukin-37-in-human-immune-cells
#14
Ina Rudloff, Steven X Cho, Jason C Lao, Devi Ngo, Matthew McKenzie, Claudia A Nold-Petry, Marcel F Nold
The interleukin (IL)-1 family member IL-37 is one of few anti-inflammatory cytokines, and it is capable of countering a broad spectrum of proinflammatory assaults. Although it is known that leukocytes are a major source of IL-37, knowledge on IL-37 production and secretion in specific immune cell types remains limited. Thus, we investigated IL-37 mRNA expression as well as protein production and secretion in human PBMCs. In PBMCs stimulated with agonists of Toll-like receptors (TLRs) 1-6 and 9, IL1F7 (the IL-37-encoding gene) was induced up to 9-fold, peaked at 6-8 h and returned to steady-state at 72 h...
November 23, 2016: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/27876379/microrna-profiling-of-human-intermediate-monocytes
#15
Adam M Zawada, Lu Zhang, Insa E Emrich, Kyrill S Rogacev, Nicolas Krezdorn, Björn Rotter, Danilo Fliser, Yvan Devaux, Loems Ziegler-Heitbrock, Gunnar H Heine
Among the three human monocyte subsets, intermediate CD14++CD16+ monocytes have been characterized as particularly proinflammatory cells in experimental studies and as potential biomarkers of cardiovascular risk in clinical cohorts. To further substantiate the distinct role of intermediate monocytes within human monocyte heterogeneity, we assessed subset-specific expression of miRNAs as central epigenetic regulators of gene expression. We hypothesized that intermediate monocytes have a distinct miRNA profile compared to classical and non-classical monocytes...
November 13, 2016: Immunobiology
https://www.readbyqxmd.com/read/27865391/modulation-of-dendritic-cell-and-monocyte-subsets-in-tuberculosis-diabetes-co-morbidity-upon-standard-tuberculosis-treatment
#16
Nathella Pavan Kumar, Kadar Moideen, Shanmugam Sivakumar, Pradeep A Menon, Vijay Viswanathan, Hardy Kornfeld, Subash Babu
Type 2 diabetes mellitus (DM) is a major risk factor for the development of active pulmonary tuberculosis (PTB), with development of DM pandemic in countries where tuberculosis (TB) is also endemic. However, the effect of anti-TB treatment on the changes in dentritic cell (DC) and monocyte subset phenotype in TB-DM co-morbidity is not well understood. In this study, we characterized the frequency of DC and monocyte subsets in individuals with PTB with (PTB-DM) or without coincident diabetes mellitus (PTB-NDM) before, during and after completion of anti-TB treatment...
December 2016: Tuberculosis
https://www.readbyqxmd.com/read/27835618/increased-glucose-transporter-1-expression-on-intermediate-monocytes-from-hiv-infected-women-with-subclinical-cardiovascular-disease
#17
Tiffany R Butterfield, David B Hanna, Robert C Kaplan, Jorge R Kizer, Helen G Durkin, Mary A Young, Marek J Nowicki, Phyllis C Tien, Elizabeth T Golub, Michelle A Floris-Moore, Kehmia Titanji, Margaret A Fischl, Sonya L Heath, Jefferey Martinson, Suzanne M Crowe, Clovis S Palmer, Alan L Landay, Joshua J Anzinger
OBJECTIVE: People living with HIV (PLWH) have chronic immune activation and increased cardiovascular disease (CVD) risk. Activation of monocytes and T lymphocytes causes upregulation of glucose transporter-1 (GLUT1) for efficient function. PLWH have an increased percentage of GLUT1-expressing monocytes and T lymphocytes, but it is unclear if these cells are associated with CVD. We evaluated the expression of GLUT1 and CD38 on monocyte and T lymphocyte populations from HIV-infected women with subclinical CVD...
January 14, 2017: AIDS
https://www.readbyqxmd.com/read/27824651/infliximab-selectively-modulates-the-circulating-blood-monocyte-repertoire-in-crohn-s-disease
#18
Stephanie M Slevin, Michael Conall Dennedy, Eanna P Connaughton, Andreia Ribeiro, Rhodri Ceredig, Matthew D Griffin, Laurence J Egan
BACKGROUND: Infliximab (IFX), an anti-tumour necrosis factor alpha (TNFα) monoclonal antibody, provides clinical benefits in treating Crohn's disease (CD) but its mechanisms of action are not fully elucidated. This study investigated blood monocyte repertoires and the acute effects of IFX infusion on monocyte subset phenotype and function in IFX-treated patients with CD. METHODS: Monocytes and monocyte subsets were enumerated and phenotypically characterized by multicolor flow cytometry in freshly isolated blood from healthy controls (n = 21) and patients with CD treated with (IFX, n = 24) and without (non-IFX, n = 20) IFX...
December 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27818999/percutaneous-transluminal-angioplasty-in-patients-with-peripheral-arterial-disease-does-not-affect-circulating-monocyte-subpopulations
#19
Pawel Maga, Tomasz P Mikolajczyk, Lukasz Partyka, Marek Krzanowski, Krzysztof P Malinowski, Rafal Nizankowski
Monocytes are mononuclear cells characterized by distinct morphology and expression of CD14 and CD16 surface receptors. Classical, quiescent monocytes are positive for CD14 (lipopolysaccharide receptor) but do not express Fc gamma receptor III (CD16). Intermediate monocytes coexpress CD16 and CD14. Nonclassical monocytes with low expression of CD14 represent mature macrophage-like monocytes. Monocyte behavior in peripheral arterial disease (PAD) and during vessel wall directed treatment is not well defined...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27815472/in-vitro-proinflammatory-polarization-of-macrophages-isolated-from-hepatocarcinogenic-stage-in-humans-and-rats
#20
Marta Wójcik, Joanna Wessely-Szponder, Halina Cichoż-Lach, Krzysztof Celiński, Ryszard Bobowiec
Macrophages have multiple functions in both inhibiting and promoting hepatocarcinogenesis, which are dependent on their phenotypes. Thus, we were interested in clarifying the 'training' proinflammatory effects exerted by barley β-glucan (BBG) on monocyte-derived macrophages from patients with hepatocellular carcinoma (HCC-Mfs). After isolation and differentiation HCC-Mfs were treated with different concentrations of BBG and functional assays were then conducted after 24 h, and 3 and 5 days of incubation. The release of reactive oxygen species, arginase concentration and cell morphology were analyzed...
November 2016: In Vivo
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