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https://www.readbyqxmd.com/read/28636546/changes-of-peripheral-lymphocyte-subsets-and-cytokine-environment-during-ageing-and-deteriorating-gastrointestinal-tract-health-status
#1
Jing Wang, Guodong Yang, Dongfang Wang, Kuiliang Liu, Yongchao Ma, Hong Liu, Jing Wu, Min Fang
Human immune senescence accompanies with the physical and physiological frailty. The functional change and shift of NK, NKT and T cell subsets by ageing have been widely studied. However, it remains largely unclear how the ageing and disease conditions affect the distribution of lymphocytes. In the present study, 233 subjects with age range from 20 to 87 year old, including healthy people, people with chronic gastrointestinal tract disease or cancers were investigated. We found that the proportion of NK cells, CD8+ T cells and NKT cells remained relatively unchanged with ageing...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635405/effects-of-microwave-ablation-on-t-cell-subsets-and-cytokines-of-patients-with-hepatocellular-carcinoma
#2
Haiwen Zhang, Xiaowei Hou, Hongjian Cai, Xingjun Zhuang
OBJECTIVES: To investigate the effects of microwave ablation on T-lymphocyte subsets and cytokines in patients with hepatocellular carcinoma. MATERIAL AND METHODS: Peripheral blood was collected from 45 patients with hepatocellular carcinoma treated by microwave ablation before treatment, one week and one month after treatment. T cells (CD3+, CD4+ and CD8+ cells), CD4+ CD25+ Tregs, and CD16+ CD56+ NK cells were analyzed by flow cytometry. Levels of cytokines (IL-2, IFN-γ, TNF-α, IL-12, IL-4, IL-6, IL-8, and IL-10) were determined by a Luminex 200 analyzer...
February 20, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28634856/estrogen-receptor-%C3%AE-gene-polymorphism-and-vascular-complications-in-girls-with-type-1-diabetes-mellitus
#3
Bartosz Słomiński, Jolanta Myśliwska, Monika Ryba-Stanisławowska, Maria Skrzypkowska, Małgorzata Myśliwiec
The effect of estrogens is mediated by activation of estrogen receptors (ERs). Because ER-α gene polymorphisms may exert different effects in childhood, we analyzed the associations between the IVS1 -397T>C (PvuII) polymorphism and systemic inflammatory state, proangiogenic factors, frequency of monocyte subsets, lipid profile, blood pressure, and vascular complications in girls with type 1 diabetes mellitus (DM1). We examined 180 young girls with DM1 and 120 healthy age-matched controls. The analysis concerned PvuII polymorphism of the ER-α gene as well as the levels of serum inflammatory markers (CRP, IL-6, TNF-α), proangiogenic factors (VEGF, angiogenin), 17β-estradiol, values of monocyte subsets (CD14(++)CD16(-) and CD14(+)CD16(+)), lipid profile, and blood pressure...
June 20, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28630095/antibody-dependent-nk-cell-activation-differentially-targets-ebv-infected-cells-in-lytic-cycle-and-bystander-b-lymphocytes-bound-to-viral-antigen-containing-particles
#4
María López-Montañés, Elisenda Alari-Pahissa, Jordi Sintes, José E Martínez-Rodríguez, Aura Muntasell, Miguel López-Botet
NK cells have been reported to respond against EBV-infected B cells in the lytic cycle and to control the viral infection involving IFN-γ secretion. Early reports proposed a role for NK cell Ab-dependent cellular cytotoxicity (ADCC) triggered via FcγR-IIIA (CD16) in the response to EBV. In the current study, we revisited this issue, showing that serum from EBV(+) individuals triggered vigorous NK cell degranulation and cytokine production (i.e., TNF-α and IFN-γ) against EBV-infected cells, enhancing NK cell activation...
June 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28623459/blockade-of-cd112r-and-tigit-signaling-sensitizes-human-natural-killer-cell-functions
#5
Feng Xu, Alexander Sunderland, Yue Zhou, Richard D Schulick, Barish H Edil, Yuwen Zhu
Trastuzumab is the first-line drug to treat breast cancer with high Her2 expression. However, many cancers failed to respond, largely due to their resistance to NK cell-triggered antibody-dependent cellular cytotoxicity (ADCC). Poliovirus receptor (PVR)-like molecules are known to be important for lymphocyte functions. We found that all PVR-like receptors are expressed on human NK cells, and only TIGIT is preferentially expressed on the CD16+ NK cell subset. Disrupting the interactions of PVR-like receptors with their ligands on cancer cells regulates NK cell activity...
June 16, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28619539/systemic-immunological-changes-in-patients-with-distinct-clinical-outcomes-during-mycobacterium-tuberculosis-infection
#6
Tatiane Figueiredo Morais-Papini, Jordana Grazziela Alves Coelho-Dos-Reis, Ana Paula Barbosa Wendling, Lis Ribeiro do Vale Antonelli, Pryscilla Fanini Wowk, Vânia Luiza Deperon Bonato, Valéria Maria Augusto, Silvana Elói-Santos, Olindo Assis Martins-Filho, Cláudia Martins Carneiro, Andréa Teixeira-Carvalho
BACKGROUND: The lung lesions in an individual infected with tuberculosis (TB) are surprisingly variable and independent of each other. However, there is no circulating biomarker yet able to segregate patients according to the extent of lung lesions. MATERIALS AND METHODS: In this study, the phenotypic and functional profile of leukocytes of patients with active pulmonary tuberculosis (TB) and controls (CO) were fully scrutinized by immunophenotyping assays and in vitro short-term whole blood culture...
May 26, 2017: Immunobiology
https://www.readbyqxmd.com/read/28615725/transcriptome-analysis-reveals-similarities-between-human-blood-cd3-cd56-bright-cells-and-mouse-cd127-innate-lymphoid-cells
#7
David S J Allan, Ana Sofia Cerdeira, Anuisa Ranjan, Christina L Kirkham, Oscar A Aguilar, Miho Tanaka, Richard W Childs, Cynthia E Dunbar, Jack L Strominger, Hernan D Kopcow, James R Carlyle
For many years, human peripheral blood natural killer (NK) cells have been divided into functionally distinct CD3(-) CD56(bright) CD16(-) and CD3(-) CD56(dim) CD16(+) subsets. Recently, several groups of innate lymphoid cells (ILC), distinct from NK cells in development and function, have been defined in mouse. A signature of genes present in mouse ILC except NK cells, defined by Immunological Genome Project studies, is significantly over-represented in human CD56(bright) cells, by gene set enrichment analysis...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28612637/treatment-options-for-children-and-adolescents-with-inflammatory-bowel-disease-is-granulomonocytapheresis-an-effective-alternative-to-drug-therapy
#8
Tomotaka Tanaka, Takayuki Yamamoto, Koji Sawada, Rodolfo Sacco
Patients with inflammatory bowel diseases (IBD) require life-long medications, which even if effective have the potential to cause adverse effects as additional morbidity factors. In pediatric patients, drug therapy has more serious limitations, including impaired physical and mental development. A non-drug therapeutic option is believed to be depletion of elevated and activated granulocytes and monocytes known to release inflammatory cytokines, like the CD14+CD16+ monocyte phenotype known to release tumor necrosis factor-α...
June 14, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28611200/dendritic-cell-cytokine-induced-killer-cell-immunotherapy-combined-with-s-1-in-patients-with-advanced-pancreatic-cancer-a-prospective-study
#9
Ni Jiang, Guoliang Qiao, Xiao-Li Wang, Michael A Morse, William R Gwin, Lei Zhou, Yuguang Song, Yanjie Zhao, Feng Chen, Xin-Na Zhou, Lefu Huang, Amy Hobeika, Xin Yi, Xuefeng Xia, Yanfang Guan, Jin Song, Jun Ren, H Kim Lyerly
Purpose: Advanced pancreatic cancer has remained challenging to treat effectively. This study aimed to investigate the clinical effects and safety of immunotherapy with dendritic cells and cytokine induced killer cells (DC-CIK) administered with the chemotherapy (CT) S-1 in this malignancy. <p> Experimental Design: Consecutive patients (n=47) with advanced pancreatic cancer were treated with either DC-CIK + S-1, DC-CIK alone, S-1 alone, or best supportive care.</p> <p> Results: DC-CIK plus S-1 produced significantly longer median OS and PFS (212 and 136 days) compared with DC-CIK (128 and 85 days), CT (141 and 92 days) or supportive care only (52 and 43 days) (P<0...
June 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28609832/pembrolizumab-induced-thyroiditis-comprehensive-clinical-review-and-insights-into-underlying-involved-mechanisms
#10
Danae A Delivanis, Michael P Gustafson, Svetlana Bornschlegl, Michele M Merten, Lisa Kottschade, Sarah Withers, Allan B Dietz, Mabel Ryder
Context: Thyroid immune-related adverse events (irAEs) in patients treated with programmed death receptor-1 (PD-1) blockade are increasingly recognized as one of the most common adverse effects. Our aim was to determine the incidence and examine the potential mechanisms of anti-PD-1 induced thyroid irAEs. Design: Single center, retrospective cohort study. Patients and Measurements: We studied 93 patients with advanced cancer (aged 24–82 years; 60% males) who received at least one infusion of pembrolizumab...
May 9, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28605680/surrogate-cd16-expressing-effector-cell-lines-for-determining-the-bioactivity-of-therapeutic-monoclonal-antibodies
#11
Shalom A Gurjar, Jeremy P Derrick, Rebecca J Dearman, Robin Thorpe, Simon Hufton, Ian Kimber, Meenu Wadhwa
Traditional antibody dependent cellular cytotoxicity (ADCC) assays use donor derived natural killer (NK) or peripheral blood mononuclear cells, but donor genetic variability and the technically challenging nature of the assay means that alternative in vitro assay formats are required. We explored the utility of two reporter gene cell lines, the J2 and J9, as surrogate effector cells for ADCC assays. Both express the ADCC relevant Fcγ receptor CD16, crosslinking of which leads to firefly luciferase expression...
June 9, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28596372/human-blood-monocyte-subsets-a-new-gating-strategy-defined-using-cell-surface-markers-identified-by-mass-cytometry
#12
Graham D Thomas, Anouk A J Hamers, Catherine Nakao, Paola Marcovecchio, Angela M Taylor, Chantel McSkimming, Anh Tram Nguyen, Coleen A McNamara, Catherine C Hedrick
OBJECTIVE: Human monocyte subsets are defined as classical (CD14(++)CD16(-)), intermediate (CD14(++)CD16(+)), and nonclassical (CD14(+)CD16(+)). Alterations in monocyte subset frequencies are associated with clinical outcomes, including cardiovascular disease, in which circulating intermediate monocytes independently predict cardiovascular events. However, delineating mechanisms of monocyte function is hampered by inconsistent results among studies. APPROACH AND RESULTS: We use cytometry by time-of-flight mass cytometry to profile human monocytes using a panel of 36 cell surface markers...
June 8, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28593077/alteration-in-leukocyte-subsets-and-expressions-of-fc%C3%AE-r-and-complement-receptors-among-female-ragpickers-in-eastern-india
#13
Nandan K Mondal, Shabana Siddique, Madhuchanda Banerjee, Sanghita Roychoudhury, Sayali Mukherjee, Mark S Slaughter, Twisha Lahiri, Manas R Ray
BACKGROUND: There are a million ragpickers in India who gather and trade recyclable municipal solid wastes materials for a living. The objective of this study was to examine whether their occupation adversely affects their immunity. METHODS: Seventy-four women ragpickers (median age, 30 years) and 65 age-matched control housemaids were enrolled. Flow cytometry was used to measure leukocyte subsets, and leukocyte expressions of Fcγ receptor I (CD64), FcγRIII (CD16), complement receptor 1 (CD35) and CR3 (CD11b/CD18), and CD14...
June 2017: Safety and Health At Work
https://www.readbyqxmd.com/read/28585414/tissue-factor-variants-induce-monocyte-transformation-and-transdifferentiation-into-endothelial-cell-like-cells
#14
G Arderiu, S Espinosa, E Peña, J Crespo, R Aledo, V Y Bogdanov, L Badimon
BACKGROUND: Monocytes (Mo) increase neovascularization by releasing proangiogenic mediators and/or transdifferentiating into endothelial cell-like (ECL). Recently, we have reported that Mo-microvascular endothelial cells (mECs) crosstalk induces mEC-tissue factor (TF) expression and promotes angiogenesis. However, the effect of TF on Mo remains unknown. OBJECTIVE: Here, we analyzed whether TF might exert angiogenic effects by inducing transdifferentiation of Mo...
June 6, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28584852/immunological-predictors-of-nonresponse-to-directly-acting-antiviral-therapy-in-patients-with-chronic-hepatitis-c-and-decompensated-cirrhosis
#15
Kate Childs, Elliot Merritt, Aisling Considine, Alberto Sanchez-Fueyo, Kosh Agarwal, Marc Martinez-Llordella, Ivana Carey
BACKGROUND: Sustained virological response rates (SVRs) to directly acting antiviral (DAA) therapy for hepatitis C virus (HCV) are lower in decompensated cirrhosis. Markers of innate immunity predict nonresponse to interferon-based HCV treatment; however, whether they are associated with the response to DAAs in patients with decompensation is not known. METHODS: Information on demographics, adherence, viral kinetics, and resistance were gathered prospectively from a cohort with decompensated cirrhosis treated with 12 weeks of DAAs...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28578934/reprint-of-microrna-profiling-of-human-intermediate-monocytes
#16
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...
June 2017: Immunobiology
https://www.readbyqxmd.com/read/28576352/reprint-of-alterations-of-trim21-mrna-expression-during-monocyte-maturation
#17
Marzena Lenart, Magdalena Rutkowska-Zapała, Rafał Szatanek, Kazimierz Węglarczyk, Małgorzata Stec, Karolina Bukowska-Strakova, Anna Gruca, Jarosław Czyż, Maciej Siedlar
Tripartite motif-containing protein 21 (TRIM21) play a dual role in the cytoplasm of the cells where it facilitates destruction of some antibody-coated viruses and some bacteria, and initiates synthesis of proinflammatory cytokines. Macrophages and CD16(+) monocyte subset can particularly participate in a proinflammatory response caused by viral infection, however, the molecular mechanisms underlying these processes are not fully understood. The aim of this study was to determine the level of TRIM21-mRNA expression in monocyte subsets including: classical (CD14(++)CD16(-)), intermediate (CD14(++)CD16(+)) and non-classical (CD14(+)CD16(++)) monocytes, as well as during in vitro differentiation of the isolated monocytes towards dendritic cells or macrophages...
June 2017: Immunobiology
https://www.readbyqxmd.com/read/28575196/changes-in-immune-cell-distribution-and-their-cytokine-chemokine-production-during-regression-of-the-rhesus-macaque-corpus-luteum
#18
Cecily V Bishop, Fuhua Xu, Rosemary Steinbach, Ellie Ficco, Jeffrey Hyzer, Steven Blue, Richard L Stouffer, Jon D Hennebold
Our previous flow cytometry results demonstrated a significant increase in neutrophils, macrophages/monocytes and natural killer (NK) cells in dispersed rhesus monkey corpora lutea (CL) after progesterone (P4) levels had fallen below 0.3 ng/ml for ≥ 3 days during the natural menstrual cycle. In the present study, immunohistochemistry revealed the CD11b+ cells (neutrophils, macrophages/monocytes) present in the CL after luteal P4 synthesis ceased were distributed throughout the tissue. CD16+ cells (presumptive NK cells) were observed mainly near the vasculature in functional CL, until their numbers increased and they became widely distributed in regressing CL...
June 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28567369/dynamic-changes-of-the-frequency-of-classic-and-inflammatory-monocytes-subsets-and-natural-killer-cells-in-chronic-hepatitis-c-patients-treated-by-direct-acting-antiviral-agents
#19
Gang Ning, Yi-Ting Li, You-Ming Chen, Ying Zhang, Ying-Fu Zeng, Chao-Shuang Lin
OBJECTIVE: Up to now, little was known about the immunological changes of chronic hepatitis C (CHC) patients treated with direct-acting antiviral agents (DAAs); we try to explore the effect of DAAs on the frequency of monocytes, NK cells, and cytokines that promote their activation. METHODS: 15 treatment-naive CHC patients and 10 healthy controls were recruited. Patients were examined before DAAs therapy (0 w) and at week 4 (4 w) and week 12 (12 w) of therapy...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28566450/monocyte-subtypes-and-the-ccr2-chemokine-receptor-in-cardiovascular-disease
#20
REVIEW
Carolina N França, Maria C O Izar, Marinella N S Hortêncio, Jônatas B do Amaral, Carlos E S Ferreira, Izabela D Tuleta, Francisco A H Fonseca
Monocytes circulate in the blood and migrate to inflammatory tissues, but their functions can be either detrimental or beneficial, depending on their phenotypes. In humans, classical monocytes are inflammatory cluster of differentiation (CD)14(++)CD16(-)CCR2(++) cells originated from the bone marrow or spleen reservoirs and comprise ≥92% of monocytes. Intermediate monocytes (CD14(++)CD16(+)CCR2(+)) are involved in the production of anti-inflammatory cytokines [such as interleukin (IL)-10], reactive oxygen species (ROS), and proinflammatory mediators [such as tumor necrosis factor-α (TNF-α) and IL-1β)...
June 1, 2017: Clinical Science (1979-)
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