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https://www.readbyqxmd.com/read/28205524/interleukin-33-produced-by-m2-macrophages-and-other-immune-cells-contributes-to-th2-immune-reaction-of-igg4-related-disease
#1
Sachiko Furukawa, Masafumi Moriyama, Kensuke Miyake, Hitoshi Nakashima, Akihiko Tanaka, Takashi Maehara, Mana Iizuka-Koga, Hiroto Tsuboi, Jun-Nosuke Hayashida, Noriko Ishiguro, Masaki Yamauchi, Takayuki Sumida, Seiji Nakamura
IgG4-related disease (IgG4-RD) is characterized by elevated serum IgG4 and marked infiltration of IgG4-positive cells in multiple organs. Interleukin-33 (IL-33) is a recently described cytokine that is secreted by damaged epithelial cells, macrophages, and dendritic cells, and potently activates helper T type 2 (Th2) immune responses, which have been suggested to play a major role in IgG4 production of IgG4-RD. Here, we assessed the expression of IL-33 and related molecules in the salivary glands (SGs) of patients with IgG4-RD versus that in patients with Sjögren's syndrome (SS) and controls...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28199754/multinucleated-giant-cell-reaction-in-lower-lip-squamous-cell-carcinoma-a-clinical-morphological-and-immunohistochemical-study
#2
Hellen Bandeira de Pontes Santos, Márcia Cristina da Costa Miguel, Leão Pereira Pinto, Manuel Antonio Gordón-Núñez, Pollianna Muniz Alves, Cassiano Francisco Weege Nonaka
BACKGROUND: Multinucleated giant cell (MGC) reactions have been identified in several malignancies, but their frequency and significance in lower lip squamous cell carcinoma (SCC) are not established. This study evaluated the MGC reactions and their association with clinicopathological parameters in lower lip SCCs. The polarization profile of these cells (M1 or M2 macrophages) was also assessed. METHODS: The presence and distribution of MGC reactions in high-power fields (400×) were evaluated in hematoxylin/eosin-stained histological sections of 91 lower lip SCCs...
February 15, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28197150/curcumin-attenuates-titanium-particle-induced-inflammation-by-regulating-macrophage-polarization-in-vitro-and-in-vivo
#3
Bin Li, Yan Hu, Yaochao Zhao, Mengqi Cheng, Hui Qin, Tao Cheng, Qiaojie Wang, Xiaochun Peng, Xianlong Zhang
Periprosthetic inflammatory osteolysis and subsequent aseptic loosening are commonly observed in total joint arthroplasty. Other than revision surgery, few approved treatments are available for this complication. Wear particle-induced inflammation and macrophage polarization state play critical roles in periprosthetic osteolysis. We investigated the effects of curcumin, a polyphenol extracted from Curcuma longa, on titanium (Ti) particle-induced inflammation and macrophage polarization in vitro using the murine cell line RAW 264...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28188173/maresin-1-improves-insulin-sensitivity-and-attenuates-adipose-tissue-inflammation-in-ob-ob-and-diet-induced-obese-mice
#4
Leyre Martínez-Fernández, Pedro González-Muniesa, Laura M Laiglesia, Neira Sáinz, Pedro L Prieto-Hontoria, Xavier Escoté, Leticia Odriozola, Fernando J Corrales, Jose M Arbones-Mainar, José A Martínez, María J Moreno-Aliaga
The beneficial actions of n-3 fatty acids on obesity-induced insulin resistance and inflammation have been related to the synthesis of specialized proresolving lipid mediators (SPMs) like resolvins. The aim of this study was to evaluate the ability of one of these SPMs, maresin 1 (MaR1), to reverse adipose tissue inflammation and/or insulin resistance in two models of obesity: diet-induced obese (DIO) mice and genetic (ob/ob) obese mice. In DIO mice, MaR1 (2 μg/kg; 10 d) reduced F4/80-positive cells and expression of the proinflammatory M1 macrophage phenotype marker Cd11c in white adipose tissue (WAT)...
February 10, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28178429/variations-in-histiocytic-differentiation-of-cell-lines-from-canine-cerebral-and-articular-histiocytic-sarcomas
#5
A Thongtharb, K Uchida, J K Chambers, H Nakayama
Two newly established canine histiocytic sarcoma (HS) cell lines, designated as PWC-HS01 and FCR-HS02, were obtained from brain and articular tumors, respectively. These 2 HS cell lines had phagocytic ability and modal chromosome aberrations. Although morphologic features of both HS cells were similar, immunocytochemical examinations revealed that the PWC-HS01 cell line expressed both dendritic cell (ie, S100, CD208, CD1, and CD4) and macrophage (ie, CD68, CD163, and CD204) markers. In contrast, the FCR-HS02 cell line was immunonegative for CD204 and CD68 but consistently positive for the dendritic cell markers...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28178007/role-of-skin-biopsies-in-the-diagnosis-of-hemophagocytic-lymphohistiocytosis
#6
Aileen Santos-Arroyo, Julián Barrera-Llaurador, Julio E Sánchez, Rafael Martín-García, Jorge L Sánchez
This is a report of a 15-year-old female who presented with a skin eruption and clinical features consistent with severe sepsis and septic shock. A diagnosis of acquired hemophagocytic lymphohistiocytosis (HLH) was made and confirmed by bone marrow analysis. Skin biopsy showed hemophagocytosis and CD163-positive staining of macrophages. We briefly review the clinical, histologic, and laboratory findings of hemophagocytic lymphohistiocytosis in addition to the potential role of skin biopsies in this condition...
January 26, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28165810/the-origin-and-distribution-of-cd68-cd163-and-%C3%AE-sma-positive-cells-in-the-early-phase-after-meniscal-resection-in-a-parabiotic-rat-model
#7
Shozaburo Terai, Yusuke Hashimoto, Kumi Orita, Shinya Yamasaki, Junsei Takigami, Takafumi Shinkuma, Takanori Teraoka, Yohei Nishida, Masafumi Takahashi, Hiroaki Nakamura
We previously reported that circulating peripheral blood-borne cells (PBCs) contribute to early-phase meniscal reparative change. Because macrophages and myofibroblasts are important contributors of tissue regeneration, we examined their origin and distribution in the reparative meniscus. Reparative menisci were evaluated at 1, 2, and 4 weeks post-meniscectomy by immunohistochemistry to locate monocytes and macrophages (stained positive for CD68 and CD163), and myofibroblasts (stained positive for αSMA). Of the total number of cells, 13% were CD68(+) at 1 week post-meniscectomy, which decreased to 1% by 4 weeks post-meniscectomy; of these, almost half of CD68(+) cells (49...
February 6, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28163107/glycation-stimulates-cutaneous-monocyte-differentiation-in-reconstructed-skin-in-vitro
#8
H Pageon, H Zucchi, F Rousset, S Hubert, E Tancrede, D Asselineau
Glycation reaction is a recognized mechanism related to chronological aging. Previous investigations in cutaneous biology have considered the effect of glycation on the dermal matrix molecules, involved in tissue stiffening during skin aging. However, little is known about a possible direct effect of glycation upon cell differentiation. To address such issue, the effect of glycation has been re-investigated in a reconstructed skin model integrating monocytes that are cells capable of differentiating according to different pathways...
February 2, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28162512/-279-increase-of-anti-inflammatory-cytokines-in-human-macrophages-that-overexpress-cd163-under-different-pro-inflammatory-conditions
#9
A Alvarado, L Bernal, D Ferreira, C Paige, A Romero-Sandoval
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28162509/-275-interaction-among-keratinocytes-fibroblasts-and-cd163-overexpressing-macrophages-for-a-more-efficient-wound-healing-process
#10
D Ferreira, A Alvarado, C Ulecia Moron, E Romero-Sandoval
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28161361/age-and-expression-of-cd163-and-colony-stimulating-factor-1-receptor-cd115-are-associated-with-the-biological-behavior-of-central-giant-cell-granuloma
#11
Adrian Kahn, Gavriel Chaushu, Lana Ginene, Marilena Vered
PURPOSE: Central giant cell granulomas (CGCGs) are clinically classified as nonaggressive (nA-CGCGs) and aggressive (A-CGCGs). However, histopathologically, all lesions feature spindle mononuclear cells (MCs) and multinuclear giant cells (GCs) in a hemorrhage-rich stroma. We aimed to investigate the presence of cells with a monocyte- or macrophage-related phenotype and, together with clinical variables, to examine their predictive potential for the biological behavior of CGCGs. PATIENTS AND METHODS: For our investigation, we implemented a retrospective cohort study...
January 9, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28159300/attenuation-of-alpha-naphthylisothiocyanate-anit-induced-biliary-fibrosis-by-depletion-of-hepatic-macrophages-in-rats
#12
Hossain M Golbar, Takeshi Izawa, Alexandra Bondoc, Kavindra K Wijesundera, Anusha H Tennakoon, Mitsuru Kuwamura, Jyoji Yamate
Biliary fibrosis is a complex process in which macrophages and myofibroblasts may play central roles. We investigated biliary fibrosis lesions induced in the Glisson's sheath in rats by alpha-naphthylisothiocyanate (ANIT) administration under macrophage depletion. Hepatic macrophages were depleted in F344 rats with liposome-encapsulated clodronate (CLD) (10mL/kg body weight, i.v) followed by bile duct injury with ANIT (75mg/kg body weight, i.p) (ANIT+CLD group). Rats received empty-liposomes (Lipo) followed by ANIT, and served as control (ANIT+Lipo group)...
January 31, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28153787/adipose-stromal-cells-mediated-switching-of-the-pro-inflammatory-profile-of-m1-like-macrophages-is-facilitated-by-pge2-in%C3%A2-vitro-evaluation
#13
C Manferdini, F Paolella, E Gabusi, L Gambari, A Piacentini, G Filardo, S Fleury-Cappellesso, A Barbero, M Murphy, G Lisignoli
OBJECTIVE: To define if adipose mesenchymal stromal cell (ASC) treatment mediated switching of the pro-inflammatory profile of M1-like macrophages as a means to develop a tailored in vitro efficacy/potency test. DESIGN: We firstly performed immunohistochemical analysis of CD68, CD80 (M1-like) and CD206 (M2-like) macrophages in osteoarthritic (OA) synovial tissue. ASC were co-cultured in contact and in transwell with activated (GM-CSF + IFNγ)-M1 macrophages. We analyzed IL1β, TNFα, IL6, MIP1α/CCL3, S100A8, S100A9, IL10, CD163 and CD206 by qRT-PCR or immunoassays...
January 30, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28143953/hemolytic-anemia-repressed-hepcidin-level-without-hepatocyte-iron-overload-lesson-from-g%C3%A3-nther-disease-model
#14
Sarah Millot, Constance Delaby, Boualem Moulouel, Thibaud Lefebvre, Nathalie Pilard, Nicolas Ducrot, Cécile Ged, Philippe Lettéron, Lucia de Franceschi, Jean Charles Deybach, Carole Beaumont, Laurent Gouya, Hubert De Verneuil, Saïd Lyoumi, Hervé Puy, Zoubida Karim
Hemolysis occurring in hematologic diseases is often associated with an iron loading anemia. This iron overload is the result of a massive outflow of hemoglobin into the bloodstream, but the mechanism of hemoglobin handling has not been fully elucidated. Here, in a congenital erythropoietic porphyria mouse model, we evaluate the impact of hemolysis and regenerative anemia on hepcidin synthesis and iron metabolism. Hemolysis was confirmed by a complete drop in haptoglobin, hemopexin and increased plasma lactate dehydrogenase, an increased red blood cell distribution width and osmotic fragility, a reduced half-life of red blood cells, and increased expression of heme oxygenase 1...
February 2017: Haematologica
https://www.readbyqxmd.com/read/28141779/direct-targeting-of-macrophages-with-methylglyoxal-bis-guanylhydrazone-decreases-siv-associated-cardiovascular-inflammation-and-pathology
#15
Joshua A Walker, Andrew D Miller, Tricia H Burdo, Michael S McGrath, Kenneth C Williams
BACKGROUND: Despite effective combination antiretroviral therapy (cART) HIV infected individuals develop co-morbidities including cardiovascular disease (CVD), where activated macrophages play a key role. To date, few therapies target activated monocytes and macrophages. METHODS: We evaluated a novel oral form of the polyamine biosynthesis inhibitor methylglyoxal-bisguanylhydrazone (MGBG) on cardiovascular inflammation, carotid artery intima-media thickness (cIMT), and fibrosis in a SIV infection model of AIDS...
January 30, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28139862/the-pd-1-pd-l1-axis-may-be-aberrantly-activated-in-occupational-cholangiocarcinoma
#16
Yasunori Sato, Masahiko Kinoshita, Shigekazu Takemura, Shogo Tanaka, Genya Hamano, Shoji Nakamori, Masahiro Fujikawa, Yasuhiko Sugawara, Takatsugu Yamamoto, Akira Arimoto, Minako Yamamura, Motoko Sasaki, Kenichi Harada, Yasuni Nakanuma, Shoji Kubo
An outbreak of cholangiocarcinoma in a printing company was reported in Japan, and these cases were regarded as an occupational disease (occupational cholangiocarcinoma). This study examined the expression status of programmed death-1 (PD-1) and programmed death-ligand 1 (PD-L1) in occupational cholangiocarcinoma. Immunostaining of PD-1, PD-L1, CD3, CD8, and CD163 was performed using tissue sections of occupational cholangiocarcinoma (n = 10), and the results were compared with those of control cases consisting of intrahepatic (n = 23) and extrahepatic (n = 45) cholangiocarcinoma...
January 31, 2017: Pathology International
https://www.readbyqxmd.com/read/28135323/human-cord-blood-and-bone-marrow-cd34-cells-generate-macrophages-that-support-erythroid-islands
#17
Eyayu Belay, Brian J Hayes, C Anthony Blau, Beverly Torok-Storb
Recently, we developed a small molecule responsive hyperactive Mpl-based Cell Growth Switch (CGS) that drives erythropoiesis associated with macrophages in the absence of exogenous cytokines. Here, we compare the physical, cellular and molecular interaction between the macrophages and erythroid cells in CGS expanded CD34+ cells harvested from cord blood, marrow or G-CSF-mobilized peripheral blood. Results indicated that macrophage based erythroid islands could be generated from cord blood and marrow CD34+ cells but not from G-CSF-mobilized CD34+ cells...
2017: PloS One
https://www.readbyqxmd.com/read/28129380/the-identification-and-distribution-of-cattle-xcr1-and-xcl1-among-peripheral-blood-cells-new-insights-into-the-design-of-dendritic-cells-targeted-veterinary-vaccine
#18
Kun Li, Guoyan Wei, Yimei Cao, Dong Li, Pinghua Li, Jing Zhang, Huifang Bao, Yingli Chen, Yuanfang Fu, Pu Sun, Xingwen Bai, Xueqing Ma, Zengjun Lu, Zaixin Liu
The chemokine (C motif) receptor 1 (XCR1) and its ligandXCL1 have been intensively studied in the mouse and human immune systems. Here, we determined the molecular characteristics of cattle XCR1 and XCL1 and their distribution among peripheral blood cells. Cattle XCR1 mRNA expression was mainly restricted to CD26+CADM1+CD205+MHCII+CD11b- cells in blood that were otherwise lineage marker negative (lin-); these represented a subset of classic dendritic cells (DCs), not plasmacytoid DCs. Some of these DCs expressed CD11a, CD44, CD80 and CD86, but they did not express CD4, CD8, CD163 or CD172a...
2017: PloS One
https://www.readbyqxmd.com/read/28128374/the-influence-of-surface-modified-poly-l-lactic-acid-films-on-the-differentiation-of-human-monocytes-into-macrophages
#19
Clara R Correia, Joana Gaifem, Mariana B Oliveira, Ricardo Silvestre, João F Mano
Macrophages play a crucial role in the biological performance of biomaterials, as key factors in defining the optimal inflammation-healing balance towards tissue regeneration and implant integration. Here, we investigate how different surface modifications performed on poly(l-lactic acid) (PLLA) films would influence the differentiation of human monocytes into macrophages. We tested PLLA films without modification, surface-modified by plasma treatment (pPLLA) or by combining plasma treatment with different coating materials, namely poly(l-lysine) and a series of proteins from the extracellular matrix: collagen I, fibronectin, vitronectin, laminin and albumin...
January 27, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28122021/the-effect-of-tacrolimus-and-mycophenolic-acid-on-cd14-monocyte-activation-and-function
#20
Nynke M Kannegieter, Dennis A Hesselink, Marjolein Dieterich, Rens Kraaijeveld, Ajda T Rowshani, Pieter J M Leenen, Carla C Baan
Monocytes and macrophages play key roles in many disease states, including cellular and humoral rejection after solid organ transplantation (SOT). To suppress alloimmunity after SOT, immunosuppressive drug therapy is necessary. However, little is known about the effects of the immunosuppressive drugs tacrolimus and mycophenolic acid (MPA) on monocyte activation and function. Here, the effect of these immunosuppressants on monocytes was investigated by measuring phosphorylation of three intracellular signaling proteins which all have a major role in monocyte function: p38MAPK, ERK and Akt...
2017: PloS One
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