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CD103+ dendritic cell

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https://www.readbyqxmd.com/read/28917991/enhanced-expression-of-pd-l1-and-ifn-%C3%AE-on-dendritic-cells-is-associated-with-bcg-induced-th2-inhibition
#1
A C C Gouveia, F G Braga, M Mota, F M C Silva, A S S Brugiolo, E E Oliveira, M C Ayupe, H C Teixeira, A P Ferreira
Accumulating evidence indicates that the exposure to Mycobacterium bovis bacillus Calmette-Guérin (BCG) prevents the development of allergy and the airway dendritic cells (DCs) may be involved in this protective effect. However, studies to better characterize the specific interactions between BCG and DCs and their role in this mycobacteria-mediated Th2 cell suppression are still ongoing. This study aimed to evaluate the effect of the neonatal BCG vaccination in the innate immune response in a mouse model of ovalbumin (OVA)-induced airway inflammation...
September 14, 2017: Cytokine
https://www.readbyqxmd.com/read/28917953/migratory-capacity-and-function-of-dendritic-cells-from-mesenteric-afferent-lymph-nodes-after-feeding-a-single-dose-of-vitamin-a
#2
Ivanna Novotny Nuñez, Bibiana E Barrios, Lisa Macció-Maretto, Silvia G Correa
Lamina propria dendritic cells (DCs) have a permanent turnover with constitutive migration to mesenteric lymph nodes and replenishment by progenitors. Luminal bacteria and dietary constituents provide key signals that endow DCs their unique properties in vivo. Taking into account that the intestinal immune system is greatly influenced by retinoids, we evaluated in B6 mice 3, 8, 16 and 24 h after feeding a single dose of vitamin A phenotype and function of cells present in mesenteric afferent lymph nodes as well as signals involved in migration...
August 24, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28913556/high-dose-vitamin-d3-supplementation-decreases-the-number-of-colonic-cd103-dendritic-cells-in-healthy-subjects
#3
Nina Friis Bak, M Bendix, S Hald, L Reinert, M K Magnusson, J Agnholt
PURPOSE: Vitamin D may induce tolerance in the intestinal immune system and has been shown to regulate the phenotype of tolerogenic intestinal dendritic cells (DCs) in vitro. It is unknown whether vitamin D supplementation affects human intestinal DCs in vivo, and we aimed to investigate the tolerability and effect on intestinal CD103(+)DCs of high-dose vitamin D3 treatment in healthy subjects. METHODS: Ten healthy subjects received a total of 480,000 IU oral vitamin D3 over 15 days and colonic biopsies were obtained before and after intervention by endoscopy...
September 14, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28895168/9-cis-retinoic-acid-induces-a-distinct-regulatory-dendritic-cell-phenotype-that-modulates-murine-delayed-type-allergy
#4
Lea-Franziska Kraus, Natalie Scheurmann, Denis F Frenzel, Alpaslan Tasdogan, Johannes M Weiss
BACKGROUND: Hand eczema, which is frequently caused by delayed-type allergy, is treated with 9-cis-retinoic acid (9cisRA). However, knowledge on how 9cisRA modulates skin immunity is sparse. OBJECTIVE: As dendritic cells (DCs) are central in the pathogenesis of contact allergy, we investigated 9cisRA modulation of DC function in murine contact hypersensitivity (CHS). METHODS: 9cisRA-differentiated DCs (9cisRA-DCs) were analysed for phenotype and function...
September 12, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28889122/galectin-9-produced-by-intestinal-epithelial-cells-enhances-aldehyde-dehydrogenase-activity-in-dendritic-cells-in-a-pi3k-and-p38-dependent-manner
#5
Sander de Kivit, Atanaska I Kostadinova, JoAnn Kerperien, Veronica Ayechu Muruzabal, Mary E Morgan, Leon M J Knippels, Aletta D Kraneveld, Johan Garssen, Linette E M Willemsen
Intestinal epithelial cells (IEC) drive regulatory T cell (Treg) responses by promoting the differentiation of aldehyde dehydrogenase (ALDH)-expressing CD103+ dendritic cells (DC). Apical stimulation of TLR9 by CpG DNA on IEC supports galectin-9 expression by IEC, which is promoted by short-chain galacto-oligosaccharides and long-chain fructo-oligosaccharides (GF). While galectin-9 can induce the maturation of monocyte-derived DC (moDC), the contribution of galectin-9 on the induction of ALDH activity in DC is not known...
September 9, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28802126/derp1-modified-dendritic-cells-attenuate-allergic-inflammation-by-regulating-the-development-of-t-helper-type1-th1-th2-cells-and-regulatory-t-cells-in-a-murine-model-of-allergic-rhinitis
#6
Shaoqing Yu, Bing Han, Shuangxi Liu, Hong Wang, Wenjie Zhuang, Yu Huang, Ruxin Zhang
The CD4(+)CD25(+)Foxp3(+) regulatory T cells (Tregs) are known to regulate Th2-induced allergic rhinitis (AR). In this study, we evaluated the efficacy of Derp1-modified dendritic cells (DCs) in AR immunotherapy. Derp1 was synthesized and transfected into DCs to generate Derp1-modified DCs. Phenotypes of Derp1-modified DCs were analyzed with flow cytometry using antibodies against DC markers CD11c, CD11b, CD59, CD103 and Toll-like receptor 1(TLR1). Four groups of subject mice were formed; the controls were treated with immature DCs, while the AR mice models were sensitized with Derp1(AR) and treated with DCs(DC-AR) or Derp1-modified DCs (Derp1DC-AR)...
August 9, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28792004/adjuvant-selection-regulates-gut-migration-and-phenotypic-diversity-of-antigen-specific-cd4-t-cells-following-parenteral-immunization
#7
D R Frederick, J A Goggins, L M Sabbagh, L C Freytag, J D Clements, J B McLachlan
Infectious diarrheal diseases are the second leading cause of death in children under 5 years, making vaccines against these diseases a high priority. It is known that certain vaccine adjuvants, chiefly bacterial ADP-ribosylating enterotoxins, can induce mucosal antibodies when delivered parenterally. Based on this, we reasoned vaccine-specific mucosal cellular immunity could be induced via parenteral immunization with these adjuvants. Here, we show that, in contrast to the Toll-like receptor-9 agonist CpG, intradermal immunization with non-toxic double-mutant heat-labile toxin (dmLT) from enterotoxigenic Escherichia coli drove endogenous, antigen-specific CD4(+) T cells to expand and upregulate the gut-homing integrin α4β7...
August 9, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28771609/deletion-of-batf3-dependent-antigen-presenting-cells-does-not-affect-atherosclerotic-lesion-formation-in-mice
#8
Jesus Gil-Pulido, Clement Cochain, Malte A Lippert, Nicole Schneider, Elke Butt, Núria Amézaga, Alma Zernecke
Atherosclerosis is the main underlying cause for cardiovascular events such as myocardial infarction and stroke and its development might be influenced by immune cells. Dendritic cells (DCs) bridge innate and adaptive immune responses by presenting antigens to T cells and releasing a variety of cytokines. Several subsets of DCs can be discriminated that engage specific transcriptional pathways for their development. Basic leucine zipper transcription factor ATF-like 3 (Batf3) is required for the development of classical CD8α+ and CD103+ DCs...
2017: PloS One
https://www.readbyqxmd.com/read/28763795/intratumoral-delivery-of-inactivated-modified-vaccinia-virus-ankara-imva-induces-systemic-antitumor-immunity-via-sting-and-batf3-dependent-dendritic-cells
#9
Peihong Dai, Weiyi Wang, Ning Yang, Cristian Serna-Tamayo, Jacob M Ricca, Dmitriy Zamarin, Stewart Shuman, Taha Merghoub, Jedd D Wolchok, Liang Deng
Advanced cancers remain a therapeutic challenge despite recent progress in targeted therapy and immunotherapy. Novel approaches are needed to alter the tumor immunosuppressive microenvironment and to facilitate the recognition of tumor antigens that leads to antitumor immunity. Poxviruses, such as modified vaccinia virus Ankara (MVA), have potential as immunotherapeutic agents. We show that infection of conventional dendritic cells (DCs) with heat- or ultraviolet-inactivated MVA leads to higher levels of interferon induction than MVA alone through the cGAS (cyclic guanosine monophosphate-adenosine monophosphate synthase)-STING cytosolic DNA-sensing pathway...
May 19, 2017: Science Immunology
https://www.readbyqxmd.com/read/28763794/targeting-latency-associated-peptide-promotes-antitumor-immunity
#10
Galina Gabriely, Andre P da Cunha, Rafael M Rezende, Brendan Kenyon, Asaf Madi, Tyler Vandeventer, Nathaniel Skillin, Stephen Rubino, Lucien Garo, Maria A Mazzola, Panagiota Kolypetri, Amanda J Lanser, Thais Moreira, Ana Maria C Faria, Hans Lassmann, Vijay Kuchroo, Gopal Murugaiyan, Howard L Weiner
Regulatory T cells (Tregs) promote cancer by suppressing antitumor immune responses. We found that anti-LAP antibody, which targets the latency-associated peptide (LAP)/transforming growth factor-β (TGF-β) complex on Tregs and other cells, enhances antitumor immune responses and reduces tumor growth in models of melanoma, colorectal carcinoma, and glioblastoma. Anti-LAP decreases LAP(+) Tregs, tolerogenic dendritic cells, and TGF-β secretion and is associated with CD8(+) T cell activation. Anti-LAP increases infiltration of tumors by cytotoxic CD8(+) T cells and reduces CD103(+) CD8 T cells in draining lymph nodes and the spleen...
May 19, 2017: Science Immunology
https://www.readbyqxmd.com/read/28754680/versican-derived-matrikines-regulate-batf3-dendritic-cell-differentiation-and-promote-t-cell-infiltration-in-colorectal-cancer
#11
Chelsea Hope, Philip B Emmerich, Athanasios Papadas, Adam Pagenkopf, Kristina A Matkowskyj, Dana R Van De Hey, Susan N Payne, Linda Clipson, Natalie S Callander, Peiman Hematti, Shigeki Miyamoto, Michael G Johnson, Dustin A Deming, Fotis Asimakopoulos
Colorectal cancer originates within immunologically complex microenvironments. To date, the benefits of immunotherapy have been modest, except in neoantigen-laden mismatch repair-deficient tumors. Approaches to enhance tumor-infiltrating lymphocytes in the tumor bed may substantially augment clinical immunotherapy responses. In this article, we report that proteolysis of the tolerogenic matrix proteoglycan versican (VCAN) strongly correlated with CD8(+) T cell infiltration in colorectal cancer, regardless of mismatch repair status...
September 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28700533/cd103-dendritic-cell-function-is-altered-in-the-colons-of-patients-with-ulcerative-colitis
#12
Hiroshi Matsuno, Hisako Kayama, Junichi Nishimura, Yuki Sekido, Hideki Osawa, Soumik Barman, Takayuki Ogino, Hidekazu Takahashi, Naotsugu Haraguchi, Taishi Hata, Chu Matsuda, Hirofumi Yamamoto, Motoi Uchino, Hiroki Ikeuchi, Yuichiro Doki, Masaki Mori, Kiyoshi Takeda, Tsunekazu Mizushima
BACKGROUND: Human intestinal innate myeloid cells can be divided into 3 subsets: HLA-DRCD14 cells, HLA-DRCD103 dendritic cells (DCs), and HLA-DRCD14CD103 cells. CD103 DCs generate Treg cells and Th17 cells in the ileum, but their function in the colon remains largely unknown. This study characterized CD103 DCs in the colon and investigated whether these cells are implicated in the pathogenesis of ulcerative colitis (UC). METHODS: Normal intestinal mucosa was obtained from intact sites of patients with colorectal cancer (n = 24)...
July 11, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28690613/relb-steady-state-migratory-dendritic-cells-control-the-peripheral-pool-of-the-natural-foxp3-regulatory-t-cells
#13
Anja Döhler, Theresa Schneider, Ina Eckert, Eliana Ribechini, Nico Andreas, Marc Riemann, Boris Reizis, Falk Weih, Manfred B Lutz
Thymus-derived natural Foxp3(+) CD4(+) regulatory T cells (nTregs) play a key role in maintaining immune tolerance and preventing autoimmune disease. Several studies indicate that dendritic cells (DCs) are critically involved in the maintenance and proliferation of nTregs. However, the mechanisms how DCs manage to keep the peripheral pool at constant levels remain poorly understood. Here, we describe that the NF-κB/Rel family transcription factor RelB controls the frequencies of steady-state migratory DCs (ssmDCs) in peripheral lymph nodes and their numbers control peripheral nTreg homeostasis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28671985/dectin-2-is-a-primary-receptor-for-nlrp3-inflammasome-activation-in-dendritic-cell-response-to-histoplasma-capsulatum
#14
Tzu-Hsuan Chang, Juin-Hua Huang, Hsiu-Chao Lin, Wen-Yu Chen, Yu-Hsiang Lee, Li-Chung Hsu, Mihai G Netea, Jenny P-Y Ting, Betty A Wu-Hsieh
Inflammasome is an intracellular protein complex that serves as cytosolic pattern recognition receptor (PRR) to engage with pathogens and to process cytokines of the interleukin-1 (IL-1) family into bioactive molecules. It has been established that interleukin-1β (IL-1β) is important to host defense against Histoplasma capsulatum infection. However, the detailed mechanism of how H. capsulatum induces inflammasome activation leading to IL-1β production has not been studied. Here, we showed in dendritic cells (DCs) that H...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28665959/increased-migration-of-antigen-presenting-cells-to-newly-formed-lymphatic-vessels-in-transplanted-kidneys-by-glycol-split-heparin
#15
Ditmer T Talsma, Kirankumar Katta, Miriam Boersema, Saritha Adepu, Annamaria Naggi, Giangiacomo Torri, Coen Stegeman, Gerjan Navis, Harry van Goor, Jan-Luuk Hillebrands, Saleh Yazdani, Jacob van den Born
BACKGROUND: Chronic renal transplant dysfunction is characterized by loss of renal function and tissue remodeling, including chronic inflammation and lymph vessel formation. Proteoglycans are known for their chemokine presenting capacity. We hypothesize that interruption of the lymphatic chemokine-proteoglycan interaction interferes with the lymphatic outflow of leukocytes from the renal graft and might decrease the anti-graft allo-immune response. METHODS: In a rat renal chronic transplant dysfunction model (female Dark-Agouti to male Wistar Furth), chemokines were profiled by qRT-PCR in microdissected tubulo-interstitial tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28638851/mucosal-biopsy-shows-immunologic-changes-of-the-colon-in-patients-with-early-ms
#16
Adrian Mathias Moser, Walter Spindelboeck, Heimo Strohmaier, Christian Enzinger, Thomas Gattringer, Siegrid Fuchs, Franz Fazekas, Gregor Gorkiewicz, Philipp Wurm, Christoph Högenauer, Michael Khalil
OBJECTIVE: To investigate immune cells of the colonic mucosa and fecal short-chain fatty acids (SCFAs) in treatment-naive patients with a clinically isolated syndrome (CIS) or early relapsing MS. METHODS: In this cross-sectional proof-of-concept study, we obtained mucosal specimens during ileocolonoscopy from 15 untreated patients with CIS/MS and 10 controls. Mucosal immune cells were analyzed by FACS, and gas chromatography-mass spectrometry measurements of stool samples served to determine SCFA...
July 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28628641/hypersensitivity-pneumonitis-onset-and-severity-is-regulated-by-cd103-dendritic-cell-expression
#17
Emilie Bernatchez, Anick Langlois, Julyanne Brassard, Nicolas Flamand, David Marsolais, Marie-Renée Blanchet
BACKGROUND: Pulmonary dendritic cells drive lung responses to foreign antigens, including Saccharopolyspora rectivirgula, a causative agent of hypersensitivity pneumonitis. While the airway inflammatory mechanisms involved in hypersensitivity pneumonitis are well described, the mechanisms leading to the break in homeostasis and hypersensitivity pneumonitis onset are not well-described, and could involve CD103+ dendritic cells, which are found at baseline and during inflammatory responses in the lung...
2017: PloS One
https://www.readbyqxmd.com/read/28626064/monitoring-c3ar-expression-using-a-floxed-tdtomato-c3ar-reporter-knock-in-mouse
#18
Katharina M Quell, Christian M Karsten, Anna Kordowski, Larissa Nogueira Almeida, Daria Briukhovetska, Anna V Wiese, Jing Sun, Fanny Ender, Konstantina Antoniou, Torsten Schröder, Inken Schmudde, Johann L Berger, Peter König, Tillman Vollbrandt, Yves Laumonnier, Jörg Köhl
C3a exerts multiple biologic functions through activation of its cognate C3a receptor. C3(-/-) and C3aR(-/-) mice have been instrumental in defining important roles of the C3a/C3aR axis in the regulation of acute and chronic inflammatory diseases, including ischemia/reperfusion injury, allergic asthma, autoimmune nephritis, and rheumatoid arthritis. Surprisingly little is known about C3aR expression and function in immune and stromal cells. To close this gap, we generated a floxed tandem-dye Tomato (tdTomato)-C3aR reporter knock-in mouse, which we used to monitor C3aR expression in cells residing in the lung, airways, lamina propria (LP) of the small intestine, brain, visceral adipose tissue, bone marrow (BM), spleen, and the circulation...
June 16, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28615301/irf4-dependent-cd103-cd11b-dendritic-cells-and-the-intestinal-microbiome-regulate-monocyte-and-macrophage-activation-and-intestinal-peristalsis-in-postoperative-ileus
#19
Judith-Mira Pohl, Sebastian Gutweiler, Stephanie Thiebes, Julia K Volke, Ludger Klein-Hitpass, Denise Zwanziger, Matthias Gunzer, Steffen Jung, William W Agace, Christian Kurts, Daniel Robert Engel
OBJECTIVE: Postoperative ileus (POI), the most frequent complication after intestinal surgery, depends on dendritic cells (DCs) and macrophages. Here, we have investigated the mechanism that activates these cells and the contribution of the intestinal microbiota for POI induction. DESIGN: POI was induced by manipulating the intestine of mice, which selectively lack DCs, monocytes or macrophages. The disease severity in the small and large intestine was analysed by determining the distribution of orally applied fluorescein isothiocyanate-dextran and by measuring the excretion time of a retrogradely inserted glass ball...
June 14, 2017: Gut
https://www.readbyqxmd.com/read/28612840/toll-like-receptor-3-in-nasal-cd103-dendritic-cells-is-involved-in-immunoglobulin-a-production
#20
H Takaki, S Kure, H Oshiumi, Y Sakoda, T Suzuki, A Ainai, H Hasegawa, M Matsumoto, T Seya
Intranasal inoculation with influenza hemagglutinin subunit with polyinosine-polycytidylic (polyI:C), a synthetic analog for double-stranded RNA, enhances production of vaccine-specific immunoglobulin (Ig) A, which is superior to IgG in prophylactic immunity. The mechanism whereby polyI:C skews to IgA production in the nasal-associated lymph tissue (NALT) was investigated in mouse models. Nasally instilled polyI:C was endocytosed into CD103(+) dendritic cells (DCs) and induced T-cell activation, including interferon (IFN)-γ production...
June 14, 2017: Mucosal Immunology
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