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https://www.readbyqxmd.com/read/29156848/nomograms-for-prognostic-factors-of-spinal-giant-cell-tumor-combining-traditional-clinical-characteristics-with-inflammatory-biomarkers-after-gross-total-resection
#1
Jialin Li, Bo Li, Pingting Zhou, Jian Zhao, Zhipeng Wu, Xinghai Yang, Haifeng Wei, Tianrui Chen, Jianru Xiao
Giant cell tumor (GCT) of bone is a common primary bone tumor, which exhibits local aggressiveness and recurrent potential, especially for the spinal lesion. Increasing evidence indicates that inflammation plays a vital role in tumorigenesis and progression. The prognostic value of inflammatory biomarkers in GCT has not been established. A retrospective analysis was conducted in patients with spinal GCT in Changzheng Hospital Orthopedic Oncological Center (CHOOC) between January 2005 and October 2015 and 129 patients were identified eligible...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156745/predictive-value-of-preoperative-inflammatory-response-biomarkers-for-metabolic-syndrome-and-post-pcnl-systemic-inflammatory-response-syndrome-in-patients-with-nephrolithiasis
#2
Kun Tang, Haoran Liu, Kehua Jiang, Tao Ye, Libin Yan, Peijun Liu, Ding Xia, Zhiqiang Chen, Hua Xu, Zhangqun Ye
Neutrophil to lymphocyte ratio (NLR), derived neutrophil to lymphocyte ratio (dNLR), platelet to lymphocyte ratio (PLR) and lymphocyte to monocyte ratio (LMR) were promising biomarkers used to predict diagnosis and prognosis in various inflammatory responses diseases and cancers. However, there have been no reports regarding these biomarkers in kidney stone patients. This study aimed to evaluate the predictive value of inflammatory biomarkers for metabolic syndrome (MetS) and post-PCNL SIRS in nephrolithiasis patients...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156705/upregulation-of-cd11b-and-cd86-through-lsd1-inhibition-promotes-myeloid-differentiation-and-suppresses-cell-proliferation-in-human-monocytic-leukemia-cells
#3
Jianwu Fang, Haiyan Ying, Ting Mao, Yanjia Fang, Yuan Lu, He Wang, Irene Zang, Zhaofu Wang, Ying Lin, Mengxi Zhao, Xiao Luo, Zongyao Wang, Yan Zhang, Chao Zhang, Wei Xiao, Yan Wang, Wei Tan, Zhui Chen, Chris Lu, Peter Atadja, En Li, Kehao Zhao, Jianfeng Liu, Justin Gu
LSD1 (Lysine Specific Demethylase1)/KDM1A (Lysine Demethylase 1A), a flavin adenine dinucleotide (FAD)-dependent histone H3K4/K9 demethylase, sustains oncogenic potential of leukemia stem cells in primary human leukemia cells. However, the pro-differentiation and anti-proliferation effects of LSD1 inhibition in acute myeloid leukemia (AML) are not yet fully understood. Here, we report that small hairpin RNA (shRNA) mediated LSD1 inhibition causes a remarkable transcriptional activation of myeloid lineage marker genes (CD11b/ITGAM and CD86), reduction of cell proliferation and decrease of clonogenic ability of human AML cells...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156632/neurotropism-in-vitro-and-mouse-models-of-severe-and-mild-infection-with-clinical-strains-of-enterovirus-71
#4
Pin Yu, Linlin Bao, Lili Xu, Fengdi Li, Qi Lv, Wei Deng, Yanfeng Xu, Chuan Qin
Enterovirus 71 (EV71) is a common etiological agent of hand, foot, and mouth disease and fatal neurological diseases in children. The neuropathogenicity of severe EV71 infection has been documented, but studies comparing mouse models of severe and mild EV71 infection are lacking. The aim of the study was to investigate the neurovirulence of EV71 strains and the differences in serum cytokine and chemokine levels in mouse models of severe and mild EV71 infection. Nine EV71 isolates belonging to the C4 subgenogroup (proposed as genotype D) displayed infectivity in human neuroblastoma SK-N-SH cells; moreover, ultrastructural observation confirmed viral particle replication...
November 20, 2017: Viruses
https://www.readbyqxmd.com/read/29156538/combined-effects-of-simulated-microgravity-and-radiation-exposure-on-osteoclast-cell-fusion
#5
Srinivasan Shanmugarajan, Ye Zhang, Maria Moreno-Villanueva, Ryan Clanton, Larry H Rohde, Govindarajan T Ramesh, Jean D Sibonga, Honglu Wu
The loss of bone mass and alteration in bone physiology during space flight are one of the major health risks for astronauts. Although the lack of weight bearing in microgravity is considered a risk factor for bone loss and possible osteoporosis, organisms living in space are also exposed to cosmic radiation and other environmental stress factors. As such, it is still unclear as to whether and by how much radiation exposure contributes to bone loss during space travel, and whether the effects of microgravity and radiation exposure are additive or synergistic...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29155735/quantification-of-monocyte-transmigration-and-foam-cell-formation-from-individuals-with-chronic-inflammatory-conditions
#6
Thomas A Angelovich, Anna C Hearps, Anna Maisa, Theodoros Kelesidis, Anthony Jaworowski
Coronary artery disease (CAD) is a leading cause of morbidity and mortality worldwide. Atherosclerosis, a leading cause of CAD, is initiated by the transmigration of innate immune monocytes to inflammatory sites of deposited lipid called fatty streaks, which are present in arterial walls of medium to large arteries. The key pathogenic feature of lesions at this early stage of atherosclerosis is the maturation of monocytes which migrate into arteries to form foam cells or lipid-laden macrophages. Considerable evidence supports the hypothesis that risk of atherosclerosis is increased by chronic inflammatory conditions accompanying diseases such as rheumatoid arthritis and HIV, as well as general ageing, and that this risk is predicted by monocyte activation...
October 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155713/quantifying-human-monocyte-chemotaxis-in-vitro-and-murine-lymphocyte-trafficking-in-vivo
#7
Eliza Prangley, Terrence Kumar, Manish P Ponda
Chemotaxis is migration along a specific chemical gradient(1). Chemokines are chemotactic cytokines that promote cellular trafficking with anatomic and temporal specificity(2). Chemotaxis is a critical function of lymphocytes and other immune cells that can be quantitatively assessed in vitro. This manuscript describes methods that permit the evaluation of chemotaxis, both in vitro and in vivo, for diverse cell types including cell lines and native cells. The in vitro, plate-based format permits the comparison of several conditions simultaneously in real-time, and can be completed within 1-4 h...
October 30, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155501/urinary-mrna-and-lupus-disease-flare
#8
REVIEW
Cheuk-Chun Szeto
In the past 20 years, extraction and quantification of mRNA from urinary sediment has emerged as a novel laboratory technique. The potential application of urinary mRNA quantification to the clinical care of patients with SLE has become an active field of research. However, published studies in this area are limited to small-scale ones. mRNA levels of several of cytokine and transcript factor genes have been found to have the potential for the diagnosis or monitoring of disease activity in patients with lupus nephritis...
December 2017: Nephrology
https://www.readbyqxmd.com/read/29155361/silver-nanoparticles-increase-bactericidal-activity-and-radical-oxygen-responses-against-bacterial-pathogens-in-human-osteoclasts
#9
Valerie Aurore, Fabienne Caldana, Marianne Blanchard, Solange Kharoubi Hess, Nils Lannes, Pierre-Yves Mantel, Luis Filgueira, Michael Walch
Bone infections are difficult to treat and can lead to severe tissue destruction. Acute bone infections are usually caused by Staphylococcus aureus. Osteoclasts, which belong to the monocyte/macrophage lineage, are the key cells in bone infections. They are not well equipped for killing bacteria and may serve as a reservoir for bacterial pathogens. Silver has been known for centuries for its bactericidal activity. Here, we investigated the bactericidal effects of nano-silver particles in bacteria infected human osteoclasts...
November 16, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29155150/enhancement-of-cutaneous-immunity-during-ageing-by-blocking-p38-mapkinase-induced-inflammation
#10
Milica Vukmanovic-Stejic, Emma S Chambers, Mayte Suarez- Farinas, Daisy Sandhu, Judilyn Fuentes-Duculan, Neil Patel, Elaine Agius, Katie E Lacy, Carolin T Turner, Anis Larbi, Veronique Birault, Mahdad Noursadeghi, Neil A Mabbott, Malcolm H A Rustin, James Krueger, Arne N Akbar
BACKGROUND: Immunity declines with age that leads to re-activation of varicella zoster virus (VZV). In humans, age associated immune changes are usually measured in blood leukocytes however this may not reflect alterations in tissue-specific immunity. OBJECTIVES: We used a VZV antigen challenge system in the skin to investigate changes in tissue specific mechanisms involved in the decreased response to this virus during ageing. METHODS: We assessed cutaneous immunity by the extent of erythema and induration after intradermal VZV antigen injection...
November 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29155051/peripheral-monocyte-entry-is-required-for-alpha-synuclein-induced-inflammation-and-neurodegeneration-in-a-model-of-parkinson-disease
#11
Ashley S Harms, Aaron D Thome, Zhaoqi Yan, Aubrey M Schonhoff, Gregory P Williams, Xinru Li, Yudong Liu, Hongwei Qin, Etty N Benveniste, David G Standaert
Accumulation of alpha-synuclein (α-syn) in the central nervous system (CNS) is a core feature of Parkinson disease (PD) that leads to activation of the innate immune system, production of inflammatory cytokines and chemokines, and subsequent neurodegeneration. Here, we used heterozygous reporter knock-in mice in which the first exons of the fractalkine receptor (CX3CR1) and of the C-C chemokine receptor type 2 (CCR2) are replaced with fluorescent reporters to study the role of resident microglia (CX3CR1+) and infiltrating peripheral monocytes (CCR2+), respectively, in the CNS...
November 16, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29154959/early-life-innate-immune-signatures-of-persistent-food-allergy
#12
Melanie R Neeland, Jennifer J Koplin, Thanh D Dang, Shyamali C Dharmage, Mimi L Tang, Susan L Prescott, Richard Saffery, David J Martino, Katrina J Allen
BACKGROUND: Food allergy naturally resolves in a proportion of food allergic children without intervention, however the underlying mechanisms governing the persistence or resolution of food allergy in childhood are not understood. OBJECTIVES: This study aimed to define the innate immune profiles associated with egg allergy at one year of age, determine the phenotypic changes that occur with the development of natural tolerance in childhood and explore the relationship between early life innate immune function and serum vitamin D...
November 14, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29154854/chicken-il-17a-is-expressed-in-%C3%AE-%C3%AE-and-%C3%AE-%C3%AE-t-cell-subsets-and-binds-to-a-receptor-present-on-macrophages-and-t-cells
#13
Isabelle Walliser, Thomas W Göbel
IL-17A as important cytokine in host defense has been analysed intensively and various homologous have been identified. To further gain insight into the functional properties of chicken (gg) IL-17A its expression profile was analysed by intracellular cytokine staining. In splenocytes and peripheral blood mononuclear cells gg IL-17A was detected in subsets of CD4(+) T cells and γδ T cells. In contrast the gg IL-17A producing populations in intestinal intraepithelial lymphocytes were characterized as either CD3(+)CD25(+) cells or γδ T cells...
November 14, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29154782/neutrophil-depletion-protects-against-zomepirac-induced-acute-kidney-injury-in-mice
#14
Shohei Yamashita, Shingo Oda, Hideko Endo, Koichi Tsuneyama, Tsuyoshi Yokoi
Acyl glucuronide (AG) metabolites of carboxylic acid-containing drugs have been implicated in drug toxicity. Zomepirac (ZP) is a non-steroidal anti-inflammatory drug that was withdrawn from the market because of anaphylactic reactions and renal injury. We recently established a novel mouse model of ZP-induced kidney injury by increasing zomepirac acyl-glucuronide (ZP-AG) concentration via pretreatment with tri-O-tolyl phosphate, a nonselective esterase inhibitor, and l-buthionine-(S,R)-sulfoximine, a glutathione synthesis inhibitor...
November 14, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29154769/extracellular-lipids-accumulate-in-human-carotid-arteries-as-distinct-three-dimensional-structures-and-have-proinflammatory-properties
#15
Satu Lehti, Su D Nguyen, Ilya Belevich, Helena Vihinen, Hanna M Heikkilä, Rabah Soliymani, Reijo Käkelä, Jani Saksi, Matti Jauhiainen, Gregory A Grabowski, Outi Kummu, Sohvi Hörkkö, Marc Baumann, Perttu J Lindsberg, Eija Jokitalo, Petri T Kovanen, Katariina Öörni
Lipid accumulation is a key characteristic of advancing atherosclerotic lesions. Here we analyzed the ultrastructure of the accumulated lipids in endarterectomized human carotid atherosclerotic plaques using three-dimensional (3D) electron microscopy, a method never used in this context before. 3D-electron microscopy revealed intracellular lipid droplets and extracellular lipoprotein particles. The majority of the particles were aggregated and some connected to needle-shaped or sheet-like cholesterol crystals...
November 14, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29154737/significant-changes-in-itih4-ahsg-orm1-and-cd46-content-in-milk-fat-globule-membrane-proteins-of-ketotic-dairy-cows
#16
Sansi Gao, Wei Yang, Hongjiang Yu, Runqi Liu, Zhihao Dong, Hongyou Zhang, Cheng Xia, Chuang Xu
High concentrations of non-esterified fatty acid (NEFA) and β-hydroxybutyrate (BHBA) in cows' blood caused by ketosis are associated with inflammatory states. We hypothesised that ketosis in postparturient dairy cows would result in altered levels on inflammation-related proteins not only in plasma but also in the milk fat globule membranes (MFGM). Thirty cows were selected from a dairy farm in Heilongjiang, China. Inflammatory milk fat globule membrane proteins were detected using ELISA kits, and a fully automatic biochemical analyser was used to measure the concentrations of BHBA, NEFA, glucose (GLU) and triglyceride (TG) in plasma...
November 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/29154408/chemokine-c-c-motif-ligand-25-expressed-by-trophoblast-cells-and-leukocytes-bearing-its-receptor-ccr9-an-alliance-during-embryo-implantation
#17
Rodrigo Barbano Weingrill, Mara S Hoshida, Ciro Dresch Martinhago, Simone Correa-Silva, Elaine Cardoso, Patrícia Palmeira, Claudio Romero Farias Marinho, Estela Bevilacqua
PROBLEM: We hypothesized that trophoblast expression of Ccl25 attracts a specific leukocyte cell population to the implantation site for local regulation. METHOD OF STUDY: Mice blastocysts, ectoplacental cones, and decidua at gestational days 3.5-7.5 were evaluated for Ccl25 and Ccr9 expressions. Peripheral availability and characterization of Ccr9+ leukocytes were determined by flow cytometry. Leukocyte chemotaxis was assessed in the presence of Ccl25 recombinant protein and embryos using antisense oligomers (ODNs) to Ccl25 and Ccr9 neutralizing antibody...
November 20, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29153611/tissue-resident-macrophages-are-sufficient-for-demyelination-during-peripheral-nerve-myelin-induced-experimental-autoimmune-neuritis
#18
Jude Matthew Taylor
The contribution of resident endoneurial tissue macrophages versus recruited monocyte derived macrophages to demyelination and disease during Experimental Autoimmune Neuritis (EAN) was investigated using passive transfer of peripheral nerve myelin (PNM) specific serum antibodies or adoptive co-transfer of PNM specific T and B cells from EAN donors to leukopenic and normal hosts. Passive transfer of PNM specific serum antibodies or adoptive co-transfer of myelin specific T and B cells into leukopenic recipients resulted in a moderate reduction in nerve conduction block or in the disease severity compared to the normal recipients...
December 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29153131/donor-sirp-%C3%AE-polymorphisms-widening-the-innate-to-adaptive-continuum-in-allograft-rejection
#19
Madhav C Menon, Peter S Heeger
In the usual paradigm, self:nonself recognition is attributed to calls of the adaptive immune system, owing to variations in specialized genes encoded within the major histocompatibility complex loci. However, an increasing body of data has shown that cells of the innate immune system also have self:nonself recognition functions relevant to organ transplantation, and this trait may derive from genes located outside the major histocompatibility complex loci. A recent publication identifies the donor SIRP-α gene as a non-major histocompatibility complex locus responsible for nonself recognition by monocytes, with variability resulting in changes in the surface interaction of SIRP-α with its ligand CD47...
December 2017: Kidney International
https://www.readbyqxmd.com/read/29152632/a-combination-of-quercetin-and-resveratrol-reduces-obesity-in-high-fat-diet-fed-rats-by-modulation-of-gut-microbiota
#20
Le Zhao, Qi Zhang, Weini Ma, Feng Tian, Hongyi Shen, Mingmei Zhou
Resveratrol and quercetin, widely found in foods and vegetables, are plant polyphenols reported to have a wide range of biological activities. Despite their limited bioavailabilities, both resveratrol and quercetin are known to exhibit anti-inflammation and anti-obesity effects. We hypothesized that gut microbiota may be a potential target for resveratrol and quercetin to prevent the development of obesity. The aim of this research was to confirm whether a combination of quercetin and resveratrol (CQR) could restore the gut microbiota dysbiosis induced by a high-fat diet (HFD)...
November 20, 2017: Food & Function
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