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https://www.readbyqxmd.com/read/28619539/systemic-immunological-changes-in-patients-with-distinct-clinical-outcomes-during-mycobacterium-tuberculosis-infection
#1
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/28618453/data-driven-programmatic-approach-to-analysis-of-basophil-activation-tests
#2
Sarita U Patil, Augustin Calatroni, Michael Schneider, Johanna Steinbrecher, Neal Smith, Cecilia Washburn, Alex Ma, Wayne G Shreffler
BACKGROUND: Conventional data analysis of flow cytometry-based basophil activation testing requires repetitive, labor-intensive analysis that hampers efforts to standardize testing for clinical applications. Using an open-source platform, we developed and implemented a programmatic approach to the analysis of the basophil activation test (BAT) by flow cytometry. METHODS: Using the BÜHLMANN FlowCAST® assay, peripheral blood from peanut allergic patients undergoing oral immunotherapy was incubated with peanut allergens (Arah1, Arah2, Arah6, whole peanut extract) and stained with fluorescent antibodies to CCR3 and CD63 for the development of a data-driven programmatic analysis using Bioconductor and R...
June 15, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28580612/utility-of-basophil-activation-testing-to-assess-perioperative-anaphylactic-reactions-in-real-world-practice
#3
Bernadette Eberlein, Sibylle Wigand, Heidrun Lewald, Eberhard Kochs, Johannes Ring, Tilo Biedermann, Ulf Darsow
INTRODUCTION: Perioperative anaphylactic reactions due to drugs and substances associated with general anesthesia can potentially be life-threatening. The objective of this study was to investigate the significance of the basophil activation test (BAT) for allergy diagnosis work up. METHODS: A total of 14 patients (5 men, 9 women; mean age: 57.8 years) with clinical records of anaphylactic reactions under general anesthesia were studied by means of anesthesia records, skin and serological tests...
June 5, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28529118/early-life-allergen-and-air-pollutant-exposures-alter-longitudinal-blood-immune-profiles-in-infant-rhesus-monkeys
#4
Candace M Crowley, Justin H Fontaine, Joan E Gerriets, Edward S Schelegle, Dallas M Hyde, Lisa A Miller
Early life is a critical period for the progressive establishment of immunity in response to environmental stimuli; the impact of airborne challenges on this process is not well defined. In a longitudinal fashion, we determined the effect of episodic house dust mite (HDM) aerosol and ozone inhalation, both separately and combined, on peripheral blood immune cell phenotypes and cytokine expression from 4 to 25weeks of age in an infant rhesus monkey model of childhood development. Immune profiles in peripheral blood were compared with lung lavage at 25weeks of age...
August 1, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28518224/t-helper-1-related-molecules-as-well-as-il-15-are-hyperexpressed-in-the-skin-lesions-of-patients-with-pyoderma-gangrenosum
#5
Emiliano Antiga, Roberto Maglie, Walter Volpi, Beatrice Bianchi, Emilio Berti, Angelo Valerio Marzano, Marzia Caproni
Pyoderma gangrenosum (PG) is a rare, immune-mediated skin disease classified into the group of neutrophilic dermatoses. Whether a number of studies confirmed the central role of innate immunity, only few studies investigated the possible contributing role of acquired immunity. In particular, no reports about Th1 and Th2 cells are available yet. Therefore, 15 patients with PG, 5 with Sweet's syndrome (SS) and 9 skin specimens from healthy controls (HC) were investigated, evaluating the expression of Th1-related markers IL-12, IFN-γ, CXCR3, CCR5, of the Th2 related molecules IL-4, IL-5, IL-13 and CCR3, of the co-stimulatory axis CD40/CD40L, of IL-15 and the NK cell marker CD56 in skin lesions by immunohistochemistry...
May 18, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28497923/ccr3-monoclonal-antibody-inhibits-eosinophilic-inflammation-and-mucosal-injury-in-a-mouse-model-of-eosinophilic-gastroenteritis
#6
Dae Jin Song, Mun Hee Shim, Nahyun Lee, Young Yoo, Ji Tae Choung
PURPOSE: Although the role of eosinophils in eosinophilic gastroenteritis (EGE) is not fully understood, they are believed to be a principal effector cell. Previous studies have demonstrated that eotaxin and its specific receptor, cysteine-cysteine chemokine receptor-3 (CCR3), play a central role in eosinophil trafficking into the gastrointestinal (GI) tract. Thus, we examined the targeting of CCR3 as a potential therapeutic intervention for EGE in a mouse model. METHODS: Eight- to 10-week-old BALB/c mice were intraperitoneally sensitized and intragastrically challenged with ovalbumin (OVA)...
July 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28474501/pol7085-or-anti-ccl28-treatment-inhibits-development-of-post-paramyxoviral-airway-disease
#7
Becky J Buelow, Michelle Rohlfing, Françoise Jung, Garry J Douglas, Mitchell H Grayson
INTRODUCTION: Asthma is major health burden throughout the world, and there are no therapies that have been shown to be able to prevent the development of disease. A severe respiratory paramyxoviral infection early in life has been demonstrated to greatly increase the risk of developing asthma. We have a mouse model of a severe respiratory paramyxoviral infection (Sendai virus, SeV) that mimics human disease, and requires early expression of the cytokine CCL28 to drive the development of post-viral airway disease...
June 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28461568/novel-molecular-mechanism-of-regulation-of-cd40-ligand-by-the-transcription-factor-gli2
#8
Weiguo Han, David A Jackson, Stephan J Matissek, Jason A Misurelli, Matthew S Neil, Brandon Sklavanitis, Nansalmaa Amarsaikhan, Sherine F Elsawa
The interaction between tumor cells and their surrounding microenvironment is essential for the growth and persistence of cancer cells. This interaction is mediated, in part, by cytokines. Although the role of cytokines in normal and malignant cell biology is well established, many of the molecular mechanisms regulating their expression remain elusive. In this article, we provide evidence of a novel pathway controlling the transcriptional activation of CD40L in bone marrow-derived stromal cells. Using a PCR-based screening of cytokines known to play a role in the biology of bone marrow malignancies, we identified CD40L as a novel GLI2 target gene in stromal cells...
June 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28458639/ccr3-is-associated-with-the-death-of-a-photoreceptor-cell-line-induced-by-light-exposure
#9
Yoshiki Kuse, Kazuhiro Tsuruma, Yusuke Kanno, Masamitsu Shimazawa, Hideaki Hara
The C-C chemokine receptor type 3 (CCR3) is the receptor for eotaxins (CCL-11, 24, 26), RANTES (CCL-5) and MCP-3 (CCL-7). It was reported that an inhibition of CCR3 by antagonists or antibodies reduces the degree of laser-induced choroidal neovascularization in mice, a model for wet age-related macular degeneration (AMD). Although several chemokine receptors have the potential of reducing the degree of the chronic inflammation in experimental dry AMD, the association of CCR3 remains unknown. The purpose of this study was to determine the role played by CCR3 in the death of 661W cells which are cells of a murine photoreceptor-derived cell line as an in vitro model of dry AMD...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28449095/role-of-cc-cytokines-in-spatial-arrangement-of-the-inner-cell-mass-of-the-bovine-embryo
#10
Verónica M Negrón-Pérez, Dorianmarie Vargas-Franco, Peter J Hansen
The process of spatial rearrangement of cells of the inner cell mass (ICM) that are destined to become hypoblast is not well understood. The observation that the chemokine CCL24 and several other genes involved in chemokine signaling are expressed more in the ICM than the trophectoderm of the bovine embryo resulted in the hypothesis that CCL24 participates in spatial organization of the ICM. Temporally, expression of CCL24 in the bovine embryo occurs coincident with blastocyst formation: transcript abundance was low until the late morula stage, peaked in the blastocyst at Day 7 of development and declined by Day 9...
April 25, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28421534/immune-alterations-in-cd8-t-cells-are-associated-with-neuronal-c-c-and-c-x-c-chemokine-receptor-regulation-through-adenosine-a2a-receptor-signaling-in-a-btbr-t-itpr3-tf-j-autistic-mouse-model
#11
Sheikh F Ahmad, Mushtaq A Ansari, Ahmed Nadeem, Saleh A Bakheet, Raish Mohammad, Sabry M Attia
Associative studies on a range of neurodevelopmental disorders have identified relationships between behavioral deficits and immune system function. The BTBR T(+) Itpr3(tf)/J (BTBR) mouse strain displays aberrant characteristics in its social behavior and immune responses, providing a significant opportunity to examine the relationship between behavior and the immune system. This study investigated the influence of adenosine A2A receptor activity on C-C and C-X-C chemokine receptors involved in autism in the BTBR mouse model...
April 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28387445/stimulation-of-oral-fibroblast-chemokine-receptors-identifies-ccr3-and-ccr4-as-potential-wound-healing-targets
#12
Jeroen K Buskermolen, Sanne Roffel, Susan Gibbs
The focus of this study was to determine which chemokine receptors are present on oral fibroblasts and whether these receptors influence proliferation, migration, and/or the release of wound healing mediators. This information may provide insight into the superior wound healing characteristics of the oral mucosa. The gingiva fibroblasts expressed 12 different chemokine receptors (CCR3, CCR4, CCR6, CCR9, CCR10, CXCR1, CXCR2, CXCR4, CXCR5, CXCR7, CX3CR1, and XCR1), as analyzed by flow cytometry. Fourteen corresponding chemokines (CCL5, CCL15, CCL20, CCL22, CCL25, CCL27, CCL28, CXCL1, CXCL8, CXCL11, CXCL12, CXCL13, CX3CL1, and XCL1) were used to study the activation of these receptors on gingiva fibroblasts...
April 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28376500/suppression-of-retinal-neovascularization-by-anti-ccr3-treatment-in-an-oxygen-induced-retinopathy-model-in-mice
#13
Shuichiro Hirahara, Miho Nozaki, Masaharu Ohbayashi, Norio Hasegawa, Daisuke Ozone, Yuichiro Ogura
PURPOSE: To investigate the association between retinal neovascularization and the CC chemokine receptor-3 (CCR3) in a mouse model of oxygen-induced retinopathy (OIR). METHODS: An OIR model in C57BL/6J mice was used as a retinal neovascularization model. An enzyme-linked immunosorbent assay was performed to evaluate the chronological change in vascular endothelial growth factor A (VEGF-A) and eotaxin expressions. CCR3 and VEGF subtype expression in the retina was examined using real-time RT-PCR, and CCR3, eotaxin, VEGF-A, and CD31 expression was examined immunohistochemically...
2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28374494/immunogenetic-profiling-of-23-snps-of-cytokine-and-chemokine-receptor-genes-through-a-minisequencing-technique-design-development-and-validation
#14
J M Valverde-Villegas, R M de Medeiros, S E M Almeida, J A B Chies
The minisequencing technique offers accuracy and robustness to genotyping of polymorphic DNA variants, being an excellent option for the identification and analyses of prognostic/susceptibility markers in human diseases. Two multiplex minisequencing assays were designed and standardized to screen 23 candidate SNPs in cytokine, chemokine receptor and ligand genes previously associated with susceptibility to cancer and autoimmune disorders as well as to infectious diseases outcome. The SNPs were displayed in two separate panels (panel 1-IL2 rs2069762, TNFα rs1800629, rs361525; IL4 rs2243250; IL6 rs1800795; IL10 rs1800896, rs1800872; IL17A rs8193036, rs2275913 and panel 2-CCR3 rs309125, CCR4 rs6770096, rs2228428; CCR6 rs968334; CCR8 rs2853699; CXCR3 rs34334103, rs2280964;CXCR6 rs223435, rs2234358; CCL20 rs13034664, rs6749704; CCL22 rs4359426; CXCL10/IP-10 rs3921, rs56061981)...
April 4, 2017: International Journal of Immunogenetics
https://www.readbyqxmd.com/read/28362325/possible-roles-of-cc-and-cxc-chemokines-in-regulating-bovine-endometrial-function-during-early-pregnancy
#15
Ryosuke Sakumoto, Ken-Go Hayashi, Shiori Fujii, Hiroko Kanahara, Misa Hosoe, Tadashi Furusawa, Keiichiro Kizaki
The aim of the present study was to determine the possible roles of chemokines in regulating bovine endometrial function during early pregnancy. The expression of six chemokines, including CCL2, CCL8, CCL11, CCL14, CCL16, and CXCL10, was higher in the endometrium at 15 and 18 days of pregnancy than at the same days in non-pregnant animals. Immunohistochemical staining showed that chemokine receptors (CCR1, CCR2, CCR3, and CXCR3) were expressed in the epithelial cells and glandular epithelial cells of the bovine endometrium as well as in the fetal trophoblast obtained from a cow on day 18 of pregnancy...
March 31, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28358741/novel-genetic-associations-and-gene-gene-interactions-of-chemokine-receptor-and-chemokine-genetic-polymorphisms-in-hiv-aids
#16
Jacqueline M Valverde-Villegas, Rúbia M de Medeiros, Karine P de Andrade, Vanessa C Jacovas, Breno R Dos Santos, Daniel Simon, Sabrina E de Matos Almeida, José A B Chies
OBJECTIVE: To investigate the influence of candidate polymorphisms on chemokine receptor/ligand genes on HIV infection and AIDS progression (HIV/AIDS). DESIGN: Fifteen polymorphisms of the CCR3, CCR4, CCR5, CCR6, CCR8, CXCR3, CXCR6, CCL20, CCL22 and CXCL10 genes were analysed in 206 HIV-positive patients classified as rapid progressors (n = 40), or nonrapid progressors (n = 166), and in 294 HIV-seronegative patients. METHODS: The polymorphisms were genotyped using minisequencing...
June 1, 2017: AIDS
https://www.readbyqxmd.com/read/28281330/basophil-activation-test-implementation-and-standardization-between-systems-and-between-instruments
#17
Anne-Emmanuelle Depince-Berger, Khaled Sidi-Yahya, Mohammed Jeraiby, Claude Lambert
The basophil activation test (BAT) is a good ex vivo alternative for measuring hypersensitivity to an allergen in sensitized patients but still lacks standardization. In this present study, we have implemented one of the systems and proposed inter-systems, inter-instrument standardization. Our method for basophil activation and labeling on whole blood: EDTA in one step using BasoflowEx(®) and FlowCast(®) . Setup on Navios and fluorescence targets converted to set up FACSCanto™ instrument. Our results: 1) A CD203c/CD63 (BasoflowEx) method was adapted for EDTA samples and simplified...
March 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28279120/ccl11-promotes-angiogenic-activity-by-activating-the-pi3k-akt-pathway-in-huvecs
#18
Jun Young Park, Yeo Wool Kang, Byung Young Choi, Young Chul Yang, Byung Pil Cho, Won Gil Cho
CCR3, the receptor for CCL11, is expressed on the surface of immune cells and even on non-immune cells. CCL11-CCR3 interactions can promote cell migration and proliferation. In this study, we investigated the effect of CCL11 on angiogenesis in HUVECs and also examined the molecular mechanisms of this process. We found that CCL11 induced mRNA transcription and protein expression of CCR3 in HUVECs. Moreover, the scratch wound healing assay and MTS proliferation assay both demonstrated that CCL11 promotes endothelial cell migration and induces weak proliferation...
March 9, 2017: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/28258191/dimethyl-fumarate-selectively-reduces-memory-t-cells-and-shifts-the-balance-between-th1-th17-and-th2-in-multiple-sclerosis-patients
#19
Qi Wu, Qin Wang, Guangmei Mao, Catherine A Dowling, Steven K Lundy, Yang Mao-Draayer
Dimethyl fumarate (DMF; trade name Tecfidera) is an oral formulation of the fumaric acid ester that is Food and Drug Administration approved for treatment of relapsing-remitting multiple sclerosis. To better understand the therapeutic effects of Tecfidera and its rare side effect of progressive multifocal leukoencephalopathy, we conducted cross-sectional and longitudinal studies by immunophenotyping cells from peripheral blood (particularly T lymphocytes) derived from untreated and 4-6 and 18-26 mo Tecfidera-treated stable relapsing-remitting multiple sclerosis patients using multiparametric flow cytometry...
April 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28209525/stromal-vascular-fraction-shows-robust-wound-healing-through-high-chemotactic-and-epithelialization-property
#20
Dong-Sic Chae, Seongho Han, Mina Son, Sung-Whan Kim
BACKGROUND: Although human stromal vascular fraction (SVF) has been regarded as an attractive stem cell source, its therapeutic mechanism in wound healing has not been fully elucidated. AIMS: In this study, we investigated the molecular characteristics and therapeutic property of SVF for wound healing. METHODS: Microarray data showed that SVF cells are enriched with a higher level of wound healing or epithelium development-related genes and micro RNA...
April 2017: Cytotherapy
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