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https://www.readbyqxmd.com/read/28931049/the-c5a-c5ar1-axis-controls-the-development-of-experimental-allergic-asthma-independent-of-lysm-expressing-pulmonary-immune-cells
#1
Anna V Wiese, Fanny Ender, Katharina M Quell, Konstantina Antoniou, Tillman Vollbrandt, Peter König, Jörg Köhl, Yves Laumonnier
C5a regulates the development of maladaptive immune responses in allergic asthma mainly through the activation of C5a receptor 1 (C5aR1). Yet, the cell types and the mechanisms underlying this regulation are ill-defined. Recently, we described increased C5aR1 expression in lung tissue eosinophils but decreased expression in airway and pulmonary macrophages as well as in pulmonary CD11b+ conventional dendritic cells (cDCs) and monocyte-derived DCs (moDCs) during the allergic effector phase using a floxed green fluorescent protein (GFP)-C5aR1 knock-in mouse...
2017: PloS One
https://www.readbyqxmd.com/read/28928889/prognostic-significance-of-host-related-biomarkers-for-survival-in-patients-with-advanced-non-small-cell-lung-cancer
#2
Sookyung Lee, Wankyu Eo, Hyeonjin Jeon, Sora Park, Jean Chae
OBJECTIVE: This study identified host-related prognostic biomarkers for survival in patients with advanced non-small cell lung cancer (NSCLC). METHODS: This study was based on the retrospective review of the medical records of 135 patients with pathologically confirmed advanced NSCLC. The host-related biomarkers assessed in this study that reflected patient condition included hemoglobin (Hb) levels; platelet (PLT), neutrophil, lymphocyte, and monocyte counts; and ferritin concentrations...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28927127/vascular-endothelial-growth-factor-and-protein-level-in-pleural-effusion-for-differentiating-malignant-from-benign-pleural-effusion
#3
Da-Wei Wu, Wei-An Chang, Kuan-Ting Liu, Meng-Chi Yen, Po-Lin Kuo
Pleural effusion is associated with multiple benign and malignant conditions. Currently no biomarkers differentiate malignant pleural effusion (MPE) and benign pleural effusion (BPE) sensitively and specifically. The present study identified a novel combination of biomarkers in pleural effusion for differentiating MPE from BPE by enrolling 75 patients, 34 with BPE and 41 with MPE. The levels of lactate dehydrogenase, glucose, protein, and total cell, neutrophil, monocyte and lymphocyte counts in the pleural effusion were measured...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28922563/role-of-il-18-in-atopic-asthma-is-determined-by-balance-of-il-18-il-18bp-il-18r
#4
Huiyun Zhang, Junling Wang, Ling Wang, Hua Xie, Liping Chen, Shaoheng He
It is recognized that IL-18 is related to development of asthma, but role of IL-18 in asthma remains controversial and confusing. This is largely due to lack of information on expression of IL-18 binding protein (BP) and IL-18 receptor (R) in asthma. In this study, we found that plasma levels of IL-18 and IL-18BP were elevated in asthma. The ratio between plasma concentrations of IL-18 and IL-18BP was 1:12.8 in asthma patients. We demonstrated that 13-fold more monocytes, 17.5-fold more neutrophils and 4.1-fold more B cells express IL-18BP than IL-18 in asthmatic blood, suggesting that there is excessive amount of IL-18BP to abolish actions of IL-18 in asthma...
September 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28917680/effusive-constrictive-pericarditis-after-pericardiocentesis-incidence-associated-findings-and-natural-history
#5
Kye Hun Kim, William R Miranda, Larry J Sinak, Faisal F Syed, Rowlens M Melduni, Raul E Espinosa, Garvan C Kane, Jae K Oh
OBJECTIVES: This study sought to investigate the incidence, associated findings, and natural history of effusive-constrictive pericarditis (ECP) after pericardiocentesis. BACKGROUND: ECP is characterized by the coexistence of tense pericardial effusion and constriction of the heart by the visceral pericardium. Echocardiography is currently the main diagnostic tool in the assessment of pericardial disease, but limited data have been published on the incidence and prognosis of ECP diagnosed by echo-Doppler...
September 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28917273/mechanisms-and-risk-factors-of-thrombosis-in-cancer
#6
REVIEW
Anna Falanga, Laura Russo, Viola Milesi, Alfonso Vignoli
The close relationship between cancer and thrombosis is known since more than a century. Venous thromboembolism (VTE) may be the first manifestation of an occult malignancy in an otherwise healthy individual. Cancer patients commonly present with abnormalities of laboratory coagulation tests, indicating an ongoing subclinical hypercoagulable condition. The results of laboratory tests demonstrate that a process of fibrin formation and removal parallels the development of malignancy, which is of particular interest since fibrin and other clotting products are important for both thrombogenesis and tumor progression...
October 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28915691/preoperative-monocyte-lymphocyte-and-neutrophil-lymphocyte-but-not-platelet-lymphocyte-ratios-are-predictive-of-clinical-outcomes-in-resected-patients-with-non-metastatic-siewert-type-ii-iii-adenocarcinoma-of-esophagogastric-junction-a-prospective-cohort-study
#7
Jia-Wei Zhang, Lei Huang, A-Man Xu
AIMS: To propectively reveal the clinicopathological and prognostic significances of monocyte-lymphocyte ratio (MLR), neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) in resected patients with non-metastatic Siewert type II/III adenocarcinoma of esophagogastric junction (AEG). METHODS: A total of 611 patients diagnosed with Siewert type II/III AEG and undergoing surgery between 2006 and 2011 were prospectively followed-up until April 2016. Associations between preoperative peripheral MLR, NLR, and PLR and clinicopathological parameters were quantified using the multivariate Logistic regression model with adjustment...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28912725/enhanced-strength-and-sprint-levels-and-changes-in-blood-parameters-during-a-complete-athletics-season-in-800-m-high-level-athletes
#8
Beatriz Bachero-Mena, Fernando Pareja-Blanco, Juan J González-Badillo
The purpose of this study was to analyze changes in sprint, strength, hematological, and hormonal parameters in high-level 800 m athletes during a complete athletics season. Thirteen male athletes of national and international level in 800 m (personal best ranging from 1:43 to 1:58 min:ss) participated in this study. A total of 5 tests were conducted during a complete athletics season. Athletes performed sprint tests (20 and 200 m), countermovement jump (CMJ), jump squat (JS), and full squat (SQ) tests. Blood samples (red and white blood profile) and hormones were collected in test 1 (T1), test 3 (T3), and test 5 (T5)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28912156/neutrophils-are-critical-for-myelin-removal-in-a-peripheral-nerve-injury-model-of-wallerian-degeneration
#9
Jane A Lindborg, Matthias Mack, Richard E Zigmond
Wallerian degeneration (WD) is considered an essential preparatory stage to the process of axonal regeneration. In the peripheral nervous system, infiltrating monocyte-derived macrophages that utilize the chemokine receptor CCR2 to gain entry to injured tissues from the bloodstream, are purportedly necessary for efficient WD. However, our lab has previously reported that myelin clearance in the injured sciatic nerve proceeds unhindered in the Ccr2(-/-) mouse model. Here, we extensively characterize WD in male Ccr2(-/-) mice and identify a compensatory mechanism of WD that is facilitated primarily by neutrophils...
September 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28911981/peripheral-immune-cells-infiltrate-into-sites-of-secondary-neurodegeneration-after-ischemic-stroke
#10
K A Jones, S Maltby, M W Plank, M Kluge, M Nilsson, P S Foster, F R Walker
Experimental stroke leads to microglia activation and progressive neuronal loss at sites of secondary neurodegeneration (SND). These lesions are remote from, but synaptically connected to, primary infarction sites. Previous studies have demonstrated that immune cells are present in sites of infarction in the first hours and days after stroke, and are associated with increased neurodegeneration in peri-infarct regions. However, it is not known whether immune cells are also present in more distal sites where SND occurs...
September 11, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28910354/differential-impact-of-the-dual-ccr2-ccr5-inhibitor-cenicriviroc-on-migration-of-monocyte-and-lymphocyte-subsets-in-acute-liver-injury
#11
Tobias Puengel, Oliver Krenkel, Marlene Kohlhepp, Eric Lefebvre, Tom Luedde, Christian Trautwein, Frank Tacke
A hallmark of acute hepatic injury is the recruitment of neutrophils, monocytes and lymphocytes, including natural killer (NK) or T cells, towards areas of inflammation. The recruitment of leukocytes from their reservoirs bone marrow or spleen into the liver is directed by chemokines such as CCL2 (for monocytes) and CCL5 (for lymphocytes). We herein elucidated the impact of chemokine receptor inhibition by the dual CCR2 and CCR5 inhibitor cenicriviroc (CVC) on the composition of myeloid and lymphoid immune cell populations in acute liver injury...
2017: PloS One
https://www.readbyqxmd.com/read/28900008/targeting-cxcr4-dependent-immunosuppressive-ly6c-low-monocytes-improves-antiangiogenic-therapy-in-colorectal-cancer
#12
Keehoon Jung, Takahiro Heishi, Joao Incio, Yuhui Huang, Elizabeth Y Beech, Matthias Pinter, William W Ho, Kosuke Kawaguchi, Nuh N Rahbari, Euiheon Chung, Jun Ki Kim, Jeffrey W Clark, Christopher G Willett, Seok Hyun Yun, Andrew D Luster, Timothy P Padera, Rakesh K Jain, Dai Fukumura
Antiangiogenic therapy with antibodies against VEGF (bevacizumab) or VEGFR2 (ramucirumab) has been proven efficacious in colorectal cancer (CRC) patients. However, the improvement in overall survival is modest and only in combination with chemotherapy. Thus, there is an urgent need to identify potential underlying mechanisms of resistance specific to antiangiogenic therapy and develop strategies to overcome them. Here we found that anti-VEGFR2 therapy up-regulates both C-X-C chemokine ligand 12 (CXCL12) and C-X-C chemokine receptor 4 (CXCR4) in orthotopic murine CRC models, including SL4 and CT26...
September 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28891938/time-course-of-the-phenotype-of-blood-and-bone-marrow-monocytes-and-macrophages-in-the-lung-after-cigarette-smoke-exposure-in-vivo
#13
Camila Oliveira da Silva, Andréa Monte-Alto-Costa, Mariana Renovato-Martins, Filipe Jorge Viana Nascimento, Samuel Dos Santos Valença, Vincent Lagente, Luís Cristóvão Pôrto, Tatiana Victoni
Alveolar macrophages play a central role in the pathogenesis of chronic obstructive pulmonary disease (COPD). Monocytes are recruited from blood during inflammation and then mature into alveolar macrophages. The aim of this study was to investigate the effect of cigarette smoke (CS) at different times in lung macrophages and monocytes from blood and bone marrow in mice. Male mice (C57BL/6, n = 45) were divided into groups: control, CS 5 days, CS 14 days and CS 30 days. Five days' CS exposure induced a pronounced influx of neutrophils and macrophages in the lung associated with increased levels of keratinocyte chemoattractant (KC), tumor necrosis factor-α (TNF-α), nitric oxide (NO) and matrix metalloproteinase (MMP)-12...
September 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28888071/the-effect-of-ventricular-assist-device-associated-biomaterials-on-human-blood-leukocytes
#14
Gemma Radley, Ina Laura Pieper, Catherine A Thornton
Ventricular assist devices (VADs) are an effective bridging or destination therapy for patients with advanced stage heart failure. These devices remain susceptible to adverse events including infection, bleeding, and thrombus; events linked to the foreign body response. Therefore, the biocompatibility of all biomaterials used is crucial to the success of medical devices. Biomaterials common in VADs-DLC: diamond-like carbon coated stainless steel; Sap: single-crystal sapphire; SiN: silicon nitride; Ti: titanium alloy; and ZTA: zirconia-toughened alumina-were tested for their biocompatibility through incubation with whole human blood for 2 h with mild agitation...
September 9, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28884416/repeated-stress-exaggerates-lipopolysaccharide-induced-inflammatory-response-in-the-rat-spleen
#15
M Laukova, Peter Vargovic, I Rokytova, G Manz, R Kvetnansky
Spleen is an immune organ innervated with sympathetic nerves which together with adrenomedullary system control splenic immune functions. However, the mechanism by which prior stress exposure modulates the immune response induced by immunogenic challenge is not sufficiently clarified. Thus, the aim of this study was to investigate the effect of a single (2 h) and repeated (2 h daily for 7 days) immobilization stress (IMO) on the innate immune response in the spleen induced by lipopolysaccharide (LPS, 100 µg/kg)...
September 7, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28883436/pandemic-2009-h1n1-influenza-venus-reporter-virus-reveals-broad-diversity-of-mhc-class-ii-positive-antigen-bearing-cells-following-infection-in-vivo
#16
Anthony DiPiazza, Aitor Nogales, Nicholas Poulton, Patrick C Wilson, Luis Martínez-Sobrido, Andrea J Sant
Although it is well established that Influenza A virus infection is initiated in the respiratory tract, the sequence of events and the cell types that become infected or access viral antigens remains incompletely understood. In this report, we used a novel Influenza A/California/04/09 (H1N1) reporter virus that stably expresses the Venus fluorescent protein to identify antigen-bearing cells over time in a mouse model of infection using flow cytometry. These studies revealed that many hematopoietic cells, including subsets of monocytes, macrophages, dendritic cells, neutrophils and eosinophils acquire influenza antigen in the lungs early post-infection...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28880687/tnf-%C3%AE-potentiates-uric-acid-induced-interleukin-1%C3%AE-il-1%C3%AE-secretion-in-human-neutrophils
#17
Kohei Yokose, Shuzo Sato, Tomoyuki Asano, Makiko Yashiro, Hiroko Kobayashi, Hiroshi Watanabe, Eiji Suzuki, Chikako Sato, Hideko Kozuru, Hiroshi Yatsuhashi, Kiyoshi Migita
OBJECTIVE: Monosodium urate (MSU) has been shown to promote interleukin-1β (IL-1β) secretion in human monocytes, but the priming signals for NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome pathway remains elusive. In this study, we investigated the role of Tumor necrosis factor-alpha (TNF-α) on MSU-mediated IL-1β induction in human neutrophils. METHODS: Human neutrophils were stimulated with MSU, in the presence or absence of TNF-α priming...
September 7, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28880378/leukocyte-and-plasma-activation-profiles-in-chronically-transfused-patients-with-a-history-of-allergic-reactions
#18
Magali J Fontaine, Hank Shih, Richard Schubert, Wendy Wong, Jennifer Andrews, Michael Jeng, Rabindra Tirouvanziam
BACKGROUND: Allergic transfusion reactions are drawbacks to the benefits of transfusion. Classically, allergic transfusion reactions depend on histamine release from mast cells or basophils, but other leukocyte subsets may also be important. Thus, we propose to better define the exact leukocyte subsets involved in allergic transfusion reactions. STUDY DESIGN AND METHODS: The overall objective of the current study was to compare the activation of specific peripheral blood leukocyte subsets (monocytes, neutrophils, eosinophils, and basophils) in a cohort of 13 patients who received chronic transfusions and had a history of allergic transfusion reactions compared with a control group of patients who received chronic transfusions and had no history of allergic transfusion reactions...
September 6, 2017: Transfusion
https://www.readbyqxmd.com/read/28877929/merozoite-surface-protein-1-from-p-falciparum-is-a-major-target-of-opsonizing-antibodies-in-individuals-with-acquired-immunity-against-malaria
#19
Anja Jäschke, Boubacar Coulibaly, Edmond J Remarque, Hermann Bujard, Christian Epp
Naturally acquired immunity against malaria is largely mediated by serum antibodies controlling levels of blood stage parasites. A limited understanding of the antigenic targets and functional mechanisms of protective antibodies has hampered so far the development of efficient malaria vaccines. Besides directly inhibiting growth of Plasmodium parasites, antibodies can opsonize merozoites and recruit immune effector cells such as monocytes or neutrophils. Antibodies against the vaccine candidate merozoite surface protein-1 (MSP-1) are acquired during natural infection and have been associated with protection against malaria in several epidemiological studies...
September 6, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28877131/resolvin-d2-limits-secondary-tissue-necrosis-after-burn-wounds-in-rats
#20
Yoshitaka Inoue, Yuk Ming Liu, Masayuki Otawara, Isabel Chico Calero, Ahhyun Stephanie Nam, Yong-Ming Yu, Philip Chang, Kathryn L Butler, Rosalynn M Nazarian, Jeremy Goverman, Benjamin J Vakoc, Daniel Irimia
Secondary burn necrosis is the expansion and deepening of the original burn injury several days after injury. Limiting the extent of secondary burn necrosis may improve outcomes. In this study, we examined the ability of the lipid mediator of inflammation-resolution resolvin D2 (RvD2) and chromatin-lysing enzyme (DNase) to reduce secondary burn necrosis. Male Wistar rats were injured using a brass comb with 4 prongs heated in boiling water. This method created 2 parallel rows of 4 rectangular burned areas separated by 3 unburned interspaces...
August 31, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
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