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Th2 biomarkers

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https://www.readbyqxmd.com/read/27902892/microrna-145-influences-the-balance-of-th1-th2-via-regulating-runx3-in-asthma-patients
#1
Linxia Fan, Xiaojun Wang, Linlan Fan, Qizhang Chen, Hong Zhang, Hui Pan, Aixia Xu, Hongjuan Wang, Yang Yu
AIM OF THE STUDY: To delineate the underlying mechanism of microRNA-145 modulate the balance of Th1/Th2 via targeting RUNX3 in asthma patients. MATERIALS AND METHODS: Peripheral blood samples were collected from asthma patients and healthy controls. CD4(+) T cells were isolated and cultured. Using quantitative PCR detect, the level of microRNA-145 and RUNX3 mRNA level in the CD4(+) T cells from asthma patients and healthy controls, meanwhile, western blot was used to detect the RUNX3 protein level...
November 30, 2016: Experimental Lung Research
https://www.readbyqxmd.com/read/27900996/suppression-of-immunotherapy-on-group-2-innate-lymphoid-cells-in-allergic-rhinitis
#2
Da-Chuan Fan, Xiang-Dong Wang, Cheng-Shuo Wang, Yang Wang, Fei-Fei Cao, Luo Zhang
BACKGROUND: Group 2 innate lymphoid cells (ILC2s) are regarded as a novel population of lineage-negative cells that induce innate Type 2 responses by producing the critical Th2-type cytokines interleukin (IL)-5 and IL-13. ILC2s as key players in the development of allergic rhinitis (AR) have been proved, however, the effect of subcutaneous immunotherapy (SCIT) with dermatophagoides pteronyssinus extract (Der p-SCIT) on ILC2s in AR patients is not clear. This study aimed to investigate the response of ILC2s of peripheral blood in house dust mites (HDM)-sensitized Chinese patients with AR who received SCIT with Der P extract...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27889082/nod2-promotes-cell-proliferation-and-inflammatory-response-by-mediating-expression-of-tslp-in-human-airway-smooth-muscle-cells
#3
Gaoshun Ni, Yang Chen, Fengqin Wu, Pengxian Zhu, Liqiang Song
The newly discovered intracytosolic pattern recognition receptor nucleotide-binding oligomerization domain 2 (NOD2) has been studied as an important indicator of T helper 2 (Th2) inflammation, and its effect on regulatory T (Treg) cells is likely to modulate the immune response. In this study, we attempted to study the expression of NOD2 and its impact in human airway smooth muscle cells (HASMC). Quantitative real-time PCR (qRT-PCR) was used to measure the expression level of NOD2 in HASMC and comparisons were made between those from asthmatic and non-asthmatic donors; we found that NOD2 was significantly upregulated in asthma patient tissues and cell lines...
November 17, 2016: Cellular Immunology
https://www.readbyqxmd.com/read/27855702/tumor-immune-microenvironment-characterization-in-clear-cell-renal-cell-carcinoma-identifies-prognostic-and-immunotherapeutically-relevant-messenger-rna-signatures
#4
Yasin Şenbabaoğlu, Ron S Gejman, Andrew G Winer, Ming Liu, Eliezer M Van Allen, Guillermo de Velasco, Diana Miao, Irina Ostrovnaya, Esther Drill, Augustin Luna, Nils Weinhold, William Lee, Brandon J Manley, Danny N Khalil, Samuel D Kaffenberger, Yingbei Chen, Ludmila Danilova, Martin H Voss, Jonathan A Coleman, Paul Russo, Victor E Reuter, Timothy A Chan, Emily H Cheng, David A Scheinberg, Ming O Li, Toni K Choueiri, James J Hsieh, Chris Sander, A Ari Hakimi
BACKGROUND: Tumor-infiltrating immune cells have been linked to prognosis and response to immunotherapy; however, the levels of distinct immune cell subsets and the signals that draw them into a tumor, such as the expression of antigen presenting machinery genes, remain poorly characterized. Here, we employ a gene expression-based computational method to profile the infiltration levels of 24 immune cell populations in 19 cancer types. RESULTS: We compare cancer types using an immune infiltration score and a T cell infiltration score and find that clear cell renal cell carcinoma (ccRCC) is among the highest for both scores...
November 17, 2016: Genome Biology
https://www.readbyqxmd.com/read/27853507/developing-food-allergy-a-potential-immunologic-pathway-linking-skin-barrier-to-gut
#5
REVIEW
Yui-Hsi Wang
Immunoglobulin E (IgE)-mediated food allergy is an adverse reaction to foods and is driven by uncontrolled type-2 immune responses. Current knowledge cannot explain why only some individuals among those with food allergy are prone to develop life-threatening anaphylaxis. It is increasingly evident that the immunologic mechanisms involved in developing IgE-mediated food allergy are far more complex than allergic sensitization. Clinical observations suggest that patients who develop severe allergic reactions to food are often sensitized through the skin in early infancy...
2016: F1000Research
https://www.readbyqxmd.com/read/27796698/microrna-155-induced-t-lymphocyte-subgroup-drifting-in-iga-nephropathy
#6
Lichuan Yang, XiaoYan Zhang, Wei Peng, Mian Wei, Wei Qin
BACKGROUND: MicroRNA-155 (miR-155) is an important immune regulator of T lymphocyte subgroup balance and function. This study was performed to explore the relationships between miR-155 expression in peripheral blood mononuclear cells (PBMCs), T lymphocyte subgroups, T lymphocyte regulators, and the clinical manifestations of IgA nephropathy (IgAN) patients. METHODS: Sixty biopsy-proven IgAN patients and 25 healthy controls were included in this study. The expression of miRNAs in PBMCs was determined using a microRNA microarray and real-time RT-PCR...
October 31, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27781036/modulation-of-primary-immune-response-by-different-vaccine-adjuvants
#7
Annalisa Ciabattini, Elena Pettini, Fabio Fiorino, Gabiria Pastore, Peter Andersen, Gianni Pozzi, Donata Medaglini
Adjuvants contribute to enhancing and shaping the vaccine immune response through different modes of action. Here early biomarkers of adjuvanticity after primary immunization were investigated using four different adjuvants combined with the chimeric tuberculosis vaccine antigen H56. C57BL/6 mice were immunized by the subcutaneous route with different vaccine formulations, and the modulation of primary CD4(+) T cell and B cell responses was assessed within draining lymph nodes, blood, and spleen, 7 and 12 days after priming...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27751727/development-of-a-new-architect-automated-periostin-immunoassay
#8
Nicolette M Jeanblanc, Philip M Hemken, Maria J Datwyler, Susan E Brophy, T Scott Manetz, Rozanne Lee, Meina Liang, Partha S Chowdhury, Reena Varkey, Ethan P Grant, Katie Streicher, Lydia Greenlees, Koustubh Ranade, Gerard J Davis
BACKGROUND: Periostin is being investigated as a potential biomarker for T-helper-2 (Th2)-driven asthma or eosinophilic inflammation and may help to identify patients more likely to benefit from interleukin-13-targeted treatments. We report the development and analytic performance of the investigational use only Architect Periostin Immunoassay, a new automated assay developed to detect serum periostin concentrations. METHODS: We assessed assay performance in terms of precision, sensitivity, linearity, interference from classical immunoassay interferents and representatives of common asthma medications, specimen handling, and isoform reactivity...
October 14, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27699264/depletion-of-major-pathogenic-cells-in-asthma-by-targeting-crth2
#9
Tao Huang, Meredith Hazen, Yonglei Shang, Meijuan Zhou, Xiumin Wu, Donghong Yan, Zhonghua Lin, Margaret Solon, Elizabeth Luis, Hai Ngu, Yongchang Shi, Arna Katewa, David F Choy, Nandhini Ramamoorthi, Erick R Castellanos, Mercedesz Balazs, Min Xu, Wyne P Lee, Marissa L Matsumoto, Jian Payandeh, Joseph R Arron, Jo-Anne Hongo, Jianyong Wang, Isidro Hötzel, Cary D Austin, Karin Reif
Eosinophilic inflammation and Th2 cytokine production are central to the pathogenesis of asthma. Agents that target either eosinophils or single Th2 cytokines have shown benefits in subsets of biomarker-positive patients. More broadly effective treatment or disease-modifying effects may be achieved by eliminating more than one inflammatory stimulator. Here we present a strategy to concomitantly deplete Th2 T cells, eosinophils, basophils, and type-2 innate lymphoid cells (ILC2s) by generating monoclonal antibodies with enhanced effector function (19A2) that target CRTh2 present on all 4 cell types...
May 19, 2016: JCI Insight
https://www.readbyqxmd.com/read/27697703/dynamics-of-cytokine-mrna-expression-and-fecal-biomarkers-in-school-children-undergoing-a-double-blind-placebo-controlled-food-challenge-series
#10
Anna Winberg, Olga Nagaeva, Ivan Nagaev, Catarina Lundell, Ignacio Arencibia, Lucia Mincheva-Nilsson, Eva Rönmark, Christina E West
BACKGROUND: There is need for prognostic markers for symptomatic food allergy since current diagnostic methods are insufficient and/or time and labor consuming. OBJECTIVE: To estimate the cytokine mRNA profiles in peripheral blood mononuclear cells (PBMC) before and after a double-blind placebo-controlled food challenge series in schoolchildren with suspected allergy to milk, egg or cod and in healthy controls. Analyses of fecal inflammatory biomarkers before and after the challenge were included...
December 2016: Cytokine
https://www.readbyqxmd.com/read/27696474/melatonin-exacerbates-acute-experimental-autoimmune-encephalomyelitis-by-enhancing-the-serum-levels-of-lactate-a-potential-biomarker-of-multiple-sclerosis-progression
#11
Majid Gharghani, Shima Dokoohaki, Amir Ghanbari, Naser Farhadi, Kazem Zibara, Saeid Khodadoust, Mohammad Parishani, Mehdi Ghavami Zadeh, Heibatollah Sadeghi
Melatonin has a beneficial role in adult rat models of multiple sclerosis (MS). In this study, melatonin treatment (10 mg/kg/d) was investigated in young age (5-6 weeks old) Lewis rat model of acute experimental autoimmune encephalomyelitis (EAE) followed by assessing serum levels of lactate and melatonin. Results showed that clinical outcomes were exacerbated in melatonin- (neurological score=6) versus PBS-treated EAE rats (score=5). Melatonin caused a significant increase in serum IFN-γ, in comparison to PBS-treated EAE rats whereas no considerable change in IL-4 levels were found, although they were significantly lower than those of controls...
October 3, 2016: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/27678500/applications-and-mechanisms-of-immunotherapy-in-allergic-rhinitis-and-asthma
#12
Jasper H Kappen, Stephen R Durham, Hans In 't Veen, Mohamed H Shamji
Clinical and immunologic tolerance are hallmarks of successful allergen immunotherapy (AIT). Clinical benefits such as reduced symptoms, pharmacotherapy intake and improvement of quality of life persist following cessation of treatment. Successful AIT is associated with suppression of allergic inflammatory cells such as mast cells, eosinophils and basophils in target organs. Furthermore, AIT down-regulates type 2 innate lymphoid cells and allergen-specific type 2 T-helper (Th2) cells. The immunologic tolerant state following AIT is associated with the induction of distinct phenotypes of regulatory T-cells (T-regs) including interleukin (IL)-10-, IL-35- and transforming growth factor (TGF)-β- producing T-regs and FoxP3(+) T-regs...
September 27, 2016: Therapeutic Advances in Respiratory Disease
https://www.readbyqxmd.com/read/27671862/plasma-fetuin-a-%C3%AE-2-hs-glycoprotein-correlates-negatively-with-inflammatory-cytokines-chemokines-and-activation-biomarkers-in-individuals-with-type-2-diabetes
#13
Sardar Sindhu, Nadeem Akhter, Steve Shenouda, Ajit Wilson, Rasheed Ahmad
BACKGROUND: Fetuin-A/AHSH is a novel hepatokine that acts as a vascular calcification inhibitor and as an endogenous TLR-4 ligand. Fetuin-A may act as a positive or negative acute phase protein (APP) in disease conditions. The relationship between circulatory fetuin-A and inflammatory biomarkers in type-2 diabetes (T2D) remains controversial. Therefore, the purpose of this study was to determine the plasma fetuin-A levels in 53 T2D (BMI = 29.7 ± 4.5 kg/m(2)) and 72 non-diabetic individuals (BMI = 28...
September 26, 2016: BMC Immunology
https://www.readbyqxmd.com/read/27671162/early-onset-pediatric-atopic-dermatitis-is-th2-but-also-th17-polarized-in-skin
#14
Hitokazu Esaki, Patrick M Brunner, Yael Renert-Yuval, Tali Czarnowicki, Thy Huynh, Gary Tran, Sarah Lyon, Giselle Rodriguez, Supriya Immaneni, Donald B Johnson, Bruce Bauer, Judilyn Fuentes-Duculan, Xiuzhong Zheng, Xiangyu Peng, Yeriel D Estrada, Hui Xu, Christina de Guzman Strong, Mayte Suárez-Fariñas, James G Krueger, Amy S Paller, Emma Guttman-Yassky
BACKGROUND: Atopic dermatitis (AD) affects 15% to 25% of children and 4% to 7% of adults. Paradigm-shifting discoveries about AD have been based on adult biomarkers, reflecting decades of disease activity, although 85% of cases begin by 5 years. Blood phenotyping shows only TH2 skewing in patients with early-onset pediatric AD, but alterations in early pediatric skin lesions are unknown, limiting advancement of targeted therapies. OBJECTIVE: We sought to characterize the early pediatric AD skin phenotype and its differences from pediatric control subjects and adults with AD...
September 15, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27637004/a-critical-evaluation-of-anti-il-13-and-anti-il-4-strategies-in-severe-asthma
#15
Diego Bagnasco, Matteo Ferrando, Gilda Varricchi, Giovanni Passalacqua, Giorgio Walter Canonica
Asthma is a high-prevalence disease, still accounting for mortality and high direct and indirect costs. It is now recognized that, despite the implementation of guidelines, a large proportion of cases remain not controlled. Certainly, adherence to therapy and the education of patients remain the primary objective, but the increasingly detailed knowledge about the pathogenic mechanisms and new biotechnologies offer the opportunity to better address and treat the disease. Interleukin (IL)-13 and IL-4 appear as the most suitable targets to treat the T helper 2 (TH2)-mediated forms (endotypes) of asthma...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/27613653/novel-biologicals-for-the-treatment-of-allergic-diseases-and-asthma
#16
REVIEW
Hern-Tze Tina Tan, Kazunari Sugita, Cezmi A Akdis
PURPOSE OF REVIEW: The development of biological therapies has rapidly progressed during the last few years, and major advances were reported for the treatment of allergic diseases, such as atopic dermatitis, allergic rhinitis, urticaria, food allergy, and asthma. Here, we review biologicals targeting the type 2 immune response involving Th2 cells, type 2 innate lymphoid cells, natural killer T cells, mast cells, basophils, and epithelial cells, such as IL-4, IL-5, IL-13, IL-31, tumor necrosis factor alpha (TNF-α), and thymic stromal lymphopoietin (TSLP)...
October 2016: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/27499539/characterization-of-asthma-endotypes-implications-for-therapy
#17
REVIEW
Jeffrey R Stokes, Thomas B Casale
OBJECTIVE: To describe the concept of precision medicine in treating severe asthma and the utility of relevant biomarkers. DATA SOURCES: PubMed was searched for published articles on human clinical trials using biologics for T-helper type 2 cell (TH2)-low and TH2-high asthma. STUDY SELECTIONS: Studies were selected if they were double-masked, randomized, placebo-controlled trials published in peer-reviewed journals and relevant to the topic...
August 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27467143/thymic-stromal-lymphopoietin-neutralization-inhibits-the-immune-adjuvant-effect-of-di-2-ethylhexyl-phthalate-in-balb-c-mouse-asthma-model
#18
Huihui You, Rui Li, Chenxi Wei, Shaohui Chen, Lin Mao, Zhenye Zhang, Xu Yang
Di-(2-ethylhexyl) phthalate (DEHP), a commonly used plasticizer, has an adjuvant effect in combination with ovalbumin (OVA). The adjuvant effect of DEHP has already been verified in our previous studies. In this study, to further investigate whether thymic stromal lymphopoietin (TSLP) was involved in the DEHP-adjuvant effect, DEHP was administered through a daily gavage exposure route. Mice were sensitized with ovalbumin (OVA) to trigger allergic responses, and an anti-TSLP monoclonal antibody was used to neutralize the effect of TSLP...
2016: PloS One
https://www.readbyqxmd.com/read/27459348/biologics-targeting-il-5-il-4-or-il-13-for-the-treatment-of-asthma-an-update
#19
Garry M Walsh
INTRODUCTION: The development of monoclonal antibody-based biologics targeted at inhibition of the Th2 cytokines IL-4, IL-5 and IL-13 represent potentially effective treatments for patients with the glucocorticoid refractory eosinophilic asthma phenotype. AREAS COVERED: Asthma exhibits marked heterogeneity both clinically and at the molecular phenotypic level, requiring specifically targeted treatments to block the key pathways of the disease. It is becoming apparent that significant clinical effects with anti-cytokine-based biologic therapies are more likely in carefully selected patient populations that take asthma phenotypes into account...
August 2, 2016: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/27390072/predictive-cytokine-biomarkers-of-clinical-response-to-glatiramer-acetate-therapy-in-multiple-sclerosis
#20
R M Valenzuela, M Kaufman, K E Balashov, K Ito, S Buyske, S Dhib-Jalbut
A prospective study of 62 patients with relapsing-remitting multiple sclerosis (RRMS) treated with Glatiramer acetate (GA) was conducted to evaluate the value of baseline and treatment-modulated cytokines in predicting the clinical response to the drug after 2years of therapy. There were 32 responders and 30 non-responders. GA upregulated Th2/regulatory cytokines and inhibited Th1 cytokines in sera or PBMC supernatants 3 and 6months into treatment. We found two prognostic models with clinical utility. A model based on IL-18 at baseline, the change in TNFa from baseline to 3months, the change in IL-4 from baseline to 6months, and the change in the log of the ratio of TNFa/IL-4 from baseline to 6months had an area under the curve (AUC) of 0...
July 2, 2016: Journal of Neuroimmunology
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