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circulating Monocyte cells

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https://www.readbyqxmd.com/read/29047360/comparison-of-circulating-dendritic-cell-and-monocyte-subsets-at-different-stages-of-atherosclerosis-insights-from-optical-coherence-tomography
#1
Jianhui Zhuang, Yang Han, Dachun Xu, Guofu Zhu, Shekhar Singh, Luoman Chen, Mengyun Zhu, Wei Chen, Yawei Xu, Xiankai Li
BACKGROUND: While specific patterns of circulating dendritic cells (DCs) and monocytes are associated with the incidence of coronary artery disease, the characterization of circulating DC and monocyte subsets in patients with different stages of atherosclerosis remains unclear. METHODS: Forty-eight patients with unstable angina pectoris (UAP) diagnosed by angiography were enrolled. Likewise, 31 patients with ST-segment elevation myocardial infarction (STEMI) were enrolled and confirmed with the presence of thrombosis by angiography...
October 18, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29045457/dietary-vitamin-d3-deficiency-exacerbates-sinonasal-inflammation-and-alters-local-25-oh-d3-metabolism
#2
Jennifer K Mulligan, Whitney N Pasquini, William W Carroll, Tucker Williamson, Nicholas Reaves, Kunal J Patel, Elliott Mappus, Rodney J Schlosser, Carl Atkinson
RATIONALE: Patients with chronic rhinosinusitis with nasal polyps (CRSwNP) have been shown to be vitamin D3 (VD3) deficient, which is associated with more severe disease and increased polyp size. To gain mechanistic insights into these observational studies, we examined the impact of VD3 deficiency on inflammation and VD3 metabolism in an Aspergillus fumigatus (Af) mouse model of chronic rhinosinusitis (Af-CRS). METHODS: Balb/c mice were fed control or VD3 deficient diet for 4 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/29045416/neonatal-immune-response-to-rhinovirus-a16-has-diminished-dendritic-cell-function-and-increased-b-cell-activation
#3
Amanda Barlow-Anacker, Yury Bochkov, James Gern, Christine M Seroogy
BACKGROUND: Rhinovirus infections during infancy account for the majority of respiratory illness health care utilization and are an associated risk factor for subsequent development of allergic asthma. Neonatal type I interferon production is diminished compared to adults after stimulation with TLR agonists. However, broad profiling of immune cell responses to infectious rhinovirus has not been undertaken and we hypothesized that additional immune differences can be identified in neonates...
2017: PloS One
https://www.readbyqxmd.com/read/29042454/complement-activating-anti-hla-antibodies-in-kidney-transplantation-allograft-gene-expression-profiling-and-response-to-treatment
#4
Carmen Lefaucheur, Denis Viglietti, Luis G Hidalgo, Lloyd E Ratner, Serena M Bagnasco, Ibrahim Batal, Olivier Aubert, Babak J Orandi, Federico Oppenheimer, Oriol Bestard, Paolo Rigotti, Anna V Reisaeter, Nassim Kamar, Yvon Lebranchu, Jean-Paul Duong Van Huyen, Patrick Bruneval, Denis Glotz, Christophe Legendre, Jean-Philippe Empana, Xavier Jouven, Dorry L Segev, Robert A Montgomery, Adriana Zeevi, Philip F Halloran, Alexandre Loupy
Complement-activating anti-HLA donor-specific antibodies (DSAs) are associated with impaired kidney transplant outcome; however, whether these antibodies induce a specific rejection phenotype and influence response to therapy remains undetermined. We prospectively screened 931 kidney recipients for complement-activating DSAs and used histopathology, immunostaining, and allograft gene expression to assess rejection phenotypes. Effector cells were evaluated using in vitro human cell cultures. Additionally, we assessed the effect of complement inhibition on kidney allograft rejection phenotype and the clinical response to complement inhibition in 116 independent kidney recipients with DSAs at transplant receiving rejection prophylaxis with eculizumab or standard of care (plasma exchange and intravenous Ig) at ten international centers...
October 17, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29042140/myeloid-cells-contribute-indirectly-to-vegf-expression-upon-hypoxia-via-activation-of-m%C3%A3-ller-cells
#5
Christina Nürnberg, Norbert Kociok, Claudia Brockmann, Timo Lischke, Sergio Crespo-Garcia, Nadine Reichhart, Susanne Wolf, Ria Baumgrass, Sabine A Eming, Sandra Beer-Hammer, Antonia M Joussen
Anti-VEGF-directed therapies have been a milestone for treating retinal vascular diseases. Depletion of monocyte lineage cells suppresses pathological neovascularization in the oxygen-induced retinopathy mouse model. However, the question whether myeloid-derived VEGF-A expression is responsible for the pathogenesis in oxygen-induced retinopathy remained unknown. We analyzed LysMCre-driven myeloid cell-specific VEGF-A knockout mice as well as mice with complete depletion of circulating macrophages through clodronate-liposome treatment in the oxygen-induced retinopathy model by immunohistochemistry, qPCR, and flow cytometry...
October 14, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/29039753/pma-induced-thp-1-macrophage-differentiation-is-not-impaired-by-citrate-coated-platinum-nanoparticles
#6
Francesca Gatto, Roberta Cagliani, Tiziano Catelani, Daniela Guarnieri, Mauro Moglianetti, Pier Paolo Pompa, Giuseppe Bardi
The innate immune system consists of several complex cellular and molecular mechanisms. During inflammatory responses, blood-circulating monocytes are driven to the sites of inflammation, where they differentiate into tissue macrophages. The research of novel nanomaterials applied to biomedical sciences is often limited by their toxicity or dangerous interactions with the immune cell functions. Platinum nanoparticles (PtNPs) have shown efficient antioxidant properties within several cells, but information on their potential harmful role in the monocyte-to-macrophage differentiation process is still unknown...
October 17, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29037917/immunomodulation-after-radiofrequency-ablation-of-locally-advanced-pancreatic-cancer-by-monitoring-the-immune-response-in-10-patients
#7
Alessandro Giardino, Giulio Innamorati, Stefano Ugel, Omar Perbellini, Roberto Girelli, Isabella Frigerio, Paolo Regi, Filippo Scopelliti, Giovanni Butturini, Salvatore Paiella, Matilde Bacchion, Claudio Bassi
OBJECTIVE/BACKGROUND: RFA of pancreatic cancer has been demonstrated to be feasible and safe with a positive impact on survival. The aim was to investigate whether an immune reaction is activated after locally advanced pancreatic cancer (LAPC) ablation. METHODS: Peripheral Blood samples were obtained preoperatively and on post-operative days 3-30. Evaluated parameters were: cells [CD4(+), CD8(+) and activated subsets, T-Reg, Monocytes, myeloid and plasmocytoid Dendritic cells (mDC and pDC)] and cytokines [Interleukin (IL)-6, Stromal-cells derived factor (SDF)-1, IL-1β, Tumour-Necrosis Factor (TNF)-α, Interferon (IFN)-γ, Vascular Endothelial Growth Factor (VEGF), chemokine (C-C motif) ligand 5 (CCL-5), Transforming-Growth Factor (TGF)-β]...
September 27, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29037856/platelet-cd40-mediates-leukocyte-recruitment-and-neointima-formation-after-arterial-denudation-injury-in-atherosclerosis-prone-mice
#8
Rong Jin, Adam Y Xiao, Zifang Song, Shiyong Yu, Jarvis Li, Mei-Zhen Cui, Guohong Li
The role of platelets in the development of thrombosis and abrupt closure after angioplasty is well recognized. However, the direct impact of platelets on neointima formation after arterial injury remains undetermined. Here we show that neointima formation after carotid artery wire injury reduces markedly in CD40(-/-)apoE(-/-) mice but only slightly in CD40L(-/-)apoE(-/-) mice, compared with apolipoprotein E-deficient (apoE(-/-)) mice. Wild-type and CD40-deficient platelets were isolated from blood of apoE(-/-) and CD40(-/-)apoE(-/-) mice, respectively...
October 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29034235/coagulofibrinolytic-changes-in-patients-with-post-cardiac-arrest-syndrome
#9
REVIEW
Takeshi Wada
Whole-body ischemia and reperfusion due to cardiac arrest and subsequent return of spontaneous circulation constitute post-cardiac arrest syndrome (PCAS), which consists of four syndromes including systemic ischemia/reperfusion responses and post-cardiac arrest brain injury. The major pathophysiologies underlying systemic ischemia/reperfusion responses are systemic inflammatory response syndrome and increased coagulation, leading to disseminated intravascular coagulation (DIC), which clinically manifests as obstruction of microcirculation and multiple organ dysfunction...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29029940/antibody-dependent-phagocytosis-adp-responses-following-trivalent-inactivated-influenza-vaccination-of-younger-and-older-adults
#10
Fernanda Ana-Sosa-Batiz, Angus P R Johnston, P Mark Hogarth, Bruce D Wines, Ian Barr, Adam K Wheatley, Stephen J Kent
Globally the most commonly utilised immunisation against influenza is the trivalent inactivated influenza vaccine (TIV) derived from an A/H1N1, an A/H3N2 and aB type influenza virus. Vaccine effectiveness of TIV varies year to year, depending on how well antigenically matched the strains in the vaccine are compared to circulating strains [1,2]. Moreover, vaccine effectiveness can vary within certain subpopulations such as HIV-positive, young children and the elderly. Decreased vaccine effectiveness in the elderly is associated with impaired Ab production, as measured by standard hemagglutination inhibition (HAI) assays...
October 10, 2017: Vaccine
https://www.readbyqxmd.com/read/29024402/blueberry-metabolites-attenuate-lipotoxicity-induced-endothelial-dysfunction
#11
Divya Bharat, Rafaela Ramos Mororo Cavalcanti, Chrissa Petersen, Nathan Begaye, Brett Ronald Cutler, Marcella Melo Assis Costa, Renata Kelly Luna Gomes Ramos, Marina Ramos Ferreira, Youyou Li, Leena P Bharath, Emma Toolson, Paul Sebahar, Ryan E Looper, Thunder Jalili, Namakkal S Rajasekaran, Zhenquan Jia, J David Symons, Anandh Babu Pon Velayutham
SCOPE: Lipotoxicity-induced endothelial dysfunction is an important vascular complication associated with diabetes. Clinical studies support the vascular benefits of blueberry anthocyanins, but the underlying mechanism is unclear. We tested the hypothesis that metabolites of blueberry anthocyanins attenuate lipotoxicity-induced endothelial dysfunction. METHODS AND RESULTS: Human aortic endothelial cells (HAECs) were treated for 6 h with either: (i) the parent anthocyanins (malvidin-3-glucoside and cyanidin-3-glucoside); or (ii) the blueberry metabolites (hydroxyhippuric acid, hippuric acid, benzoic acid-4-sulfate, isovanillic acid-3-sulfate, and vanillic acid-4-sulfate), at concentrations known to circulate in humans following blueberry consumption...
October 12, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29021532/monocyte-lymphocyte-cross-communication-via-soluble-cd163-directly-links-innate-immune-system-activation-and-adaptive-immune-system-suppression-following-ischemic-stroke
#12
Grant C O'Connell, Connie S Tennant, Noelle Lucke-Wold, Yasser Kabbani, Abdul R Tarabishy, Paul D Chantler, Taura L Barr
CD163 is a scavenger receptor expressed on innate immune cell populations which can be shed from the plasma membrane via the metalloprotease ADAM17 to generate a soluble peptide with lympho-inhibitory properties. The purpose of this study was to investigate CD163 as a possible effector of stroke-induced adaptive immune system suppression. Liquid biopsies were collected from ischemic stroke patients (n = 39), neurologically asymptomatic controls (n = 20), and stroke mimics (n = 20) within 24 hours of symptom onset...
October 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29020775/portable-nitric-oxide-no-generator-based-on-electrochemical-reduction-of-nitrite-for-potential-applications-in-inhaled-no-therapy-and-cardiopulmonary-bypass-surgery
#13
Yu Qin, Joanna Zajda, Elizabeth J Brisbois, Hang Ren, John Toomasian, Terry Major, Alvaro Rojas-Pena, Benjamin Carr, Thomas Johnson, Jonathan Haft, Robert H Bartlett, Andrew Hunt, Nicolai Lehnert, Mark E Meyerhoff
A new portable gas phase nitric oxide (NO) generator is described for potential applications in inhaled NO (INO) therapy and during cardiopulmonary bypass (CPB) surgery. In this system, NO is produced at the surface of a large area mesh working electrode by electrochemical reduction of nitrite ions in the presence of a soluble copper(II)-ligand electron transfer mediator complex. The NO generated is then transported into gas phase by either direct purging with nitrogen or via circulating the electrolyte/nitrite solution through a gas extraction silicone fiber-based membrane-dialyzer assembly...
October 11, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28992224/modulation-of-leucocytic-angiotensin-converting-enzymes-expression-in-patients-maintained-on-high-permeable-haemodialysis
#14
Bogusz Trojanowicz, Christof Ulrich, Roman Fiedler, Peter Martus, Markus Storr, Torsten Boehler, Kristin Werner, Michael Hulko, Daniel Zickler, Kevin Willy, Ralf Schindler, Matthias Girndt
Background: High mortality of haemodialysis patients is associated with systemic chronic inflammation and overactivation of the renin-angiotensin system (RAS). Insufficient elimination of pro-inflammatory immune mediators, especially in the molecular weight range of 15-45 kDa, may be one of the reasons for this. Employment of haemodialysis membranes with increased permeability was shown to ameliorate the inflammatory response and might modulate the effects of local RAS. In this study, we tested the impact of high cut-off (HCO), medium cut-off (MCO) and high-flux (HF) dialysis on leucocytic transcripts of angiotensin-converting enzymes (ACE and ACE2)...
July 19, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28992140/inflammation-induces-osteoclast-differentiation-from-peripheral-mononuclear-cells-in-chronic-kidney-disease-patients-crosstalk-between-the-immune-and-bone-systems
#15
Cesira Cafiero, Margherita Gigante, Giacomina Brunetti, Simona Simone, Nada Chaoul, Angela Oranger, Elena Ranieri, Silvia Colucci, Giovanni B Pertosa, Maria Grano, Loreto Gesualdo
Background: Inflammation and immune system alterations contribute to bone damage in many pathologies by inducing the differentiation of osteoclasts (OCs), the bone resorbing cells. This link is largely unexplored in chronic kidney disease (CKD) and haemodialysis (HD) patients, in which reduced renal function is accompanied by an increased inflammatory state and skeletal abnormality. Methods: We used ex vivo culture experiments to investigate the osteoclastogenic potential of peripheral blood mononuclear cells (PBMCs) of CKD and HD patients, focusing on immune cell subsets and inflammatory cytokines such as LIGHT and receptor activator of nuclear factor κB ligand (RANKL)...
July 21, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28992100/prenatal-exposure-to-lps-alters-the-intrarenal-ras-in-offspring-which-is-ameliorated-by-adipose-tissue-derived-mesenchymal-stem-cells
#16
Xian-Fei Ding, Mou Sun, Fang-Xia Guan, Li-Na Guo, Yan-Yan Zhang, You-Dong Wan, Xiao-Juan Zhang, Yan-Wu Yu, Shan-Shan Ma, Hai-Mu Yao, Rui Yao, Rui-Fang Zhang, Tong-Wen Sun, Quan-Cheng Kan
BACKGROUND: Prenatal lipopolysaccharide (LPS) exposure causes hypertension in rat offspring through an unknown mechanism. Here, we investigated the role of the intrarenal renin-angiotensin system (RAS) in hypertension induced by prenatal LPS exposure and also explored whether adipose tissue-derived mesenchymal stem cells (ADSCs) can ameliorate the effects of prenatal LPS exposure in rat offspring. METHODS: Sixty-four pregnant rats were randomly divided into 4 groups (n = 16 in each), namely, a control group and an LPS group, which were intraperitoneally injected with vehicle and 0...
July 15, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28988508/immunological-effects-of-everolimus-in-patients-with-metastatic-renal-cell-cancer
#17
Charlotte M Huijts, Saskia J Santegoets, Tamarah D de Jong, Henk M Verheul, Tanja D de Gruijl, Hans J van der Vliet
The mammalian target of rapamycin (mTOR) is a crucial kinase present in all cells. Besides its role in the regulation of cell-growth, proliferation, angiogenesis, and survival of malignant tumors, mTOR additionally plays an important role in immune regulation by controlling the balance between effector T cells and regulatory T cells (Tregs). This critically affects the suppressive state of the immune system. Here, the systemic immunological effects of everolimus treatment were comprehensively investigated in five patients with metastatic renal cell cancer...
October 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28988346/lipid-environment-induces-er-stress-txnip-expression-and-inflammation-in-immune-cells-of-individuals-with-type-2-diabetes
#18
Anaïs Szpigel, Isabelle Hainault, Aurélie Carlier, Nicolas Venteclef, Anne-Françoise Batto, Eric Hajduch, Catherine Bernard, Alain Ktorza, Jean-François Gautier, Pascal Ferré, Olivier Bourron, Fabienne Foufelle
AIMS/HYPOTHESIS: Obesity and type 2 diabetes are concomitant with low-grade inflammation affecting insulin sensitivity and insulin secretion. Recently, the thioredoxin interacting protein (TXNIP) has been implicated in the activation process of the NOD-like receptor family, pyrin domain containing 3 (NLRP3) inflammasome. In this study, we aim to determine whether the expression of TXNIP is altered in the circulating immune cells of individuals with type 2 vs type 1 diabetes and whether this can be related to specific causes and consequences of inflammation...
October 7, 2017: Diabetologia
https://www.readbyqxmd.com/read/28988241/macrophage-extracellular-traps-a-scoping-review
#19
Ryan S Doster, Lisa M Rogers, Jennifer A Gaddy, David M Aronoff
Tissue macrophages are derived from either circulating blood monocytes that originate in the bone marrow, or embryonic precursors that establish residence in tissues and are maintained independent of bone marrow progenitors. Macrophages perform diverse functions including tissue repair, the maintenance of homeostasis, and immune regulation. Recent studies have demonstrated that macrophages produce extracellular traps (ETs). ETs are an immune response by which a cell undergoes "ETosis" to release net-like material, with strands composed of cellular DNA that is studded with histones and cellular proteins...
October 7, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28987882/radiation-enhanced-delivery-of-systemically-administered-amphiphilic-cpg-oligodeoxynucleotide
#20
Oliver K Appelbe, Kelly D Moynihan, Amy Flor, Nick Rymut, Darrell J Irvine, Stephen J Kron
Along with vaccines and checkpoint blockade, immune adjuvants may have an important role in tumor immunotherapy. Oligodeoxynucleotides containing unmethylated cytidyl guanosyl dinucleotide motifs (CpG ODN) are TLR9 ligands with attractive immunostimulatory properties, but intratumoral administration has been required to induce an effective anti-tumor immune response. Following on recent studies with radiation-targeted delivery of nanoparticles, we examined enhanced tumor-specific delivery of amphiphile-CpG, an albumin-binding analog of CpG ODN, following systemic administration 3days after tumor irradiation...
October 5, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
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