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Th2 biomarkers

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https://www.readbyqxmd.com/read/29328030/modern-approaches-to-fractional-exhaled-nitric-oxide-as-a-useful-biomarker-for-allergic-asthma-phenotyping-and-management
#1
N Mgaloblishvili, M Gotua
Asthma is a pathologically heterogeneous disease, consisting of several phenotypes. Different types of airway inflammation are the cornerstone feature of this condition. Fraction of nitric oxide in exhaled air (FENO) has been proposed as a noninvasive, specific biomarker for eosinophilic airway inflammation and has been shown to be elevated in patients with allergic asthma phenotype. More recent studies indicate that FeNO identifies T-helper cell type 2 (Th2)-mediated airway inflammation with a high predictive value for identifying inhaled corticosteroid (ICS) responsive airway inflammation...
December 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29318959/novel-biological-therapies-in-severe-asthma-targeting-the-right-trait
#2
Gilda Varricchi, Giancarlo Marone, Giuseppe Spadaro, Michele Russo, Francescopaolo Granata, Arturo Genovese, Gianni Marone
Asthma is a heterogeneous disease characterized by chronic airway inflammation that results in a wide spectrum of clinical manifestations. Patients with severe asthma represent a substantial share of consumption of healthcare resources and hospitalization. Moreover, these patients are at risk of increased morbidity and mortality. Recently, several phenotypes and endotypes of asthma have been identified. The identification of specific subtypes of asthma is fundamental for optimizing the clinical benefit of novel treatments...
January 9, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29311759/comparison-of-a-microsphere-based-platform-with-a-multiplex-flow-cytometric-assay-for-determination-of-circulating-cytokines-in-the-mouse
#3
Alain Stricker-Krongrad, Catherine Shoemake, Miao Zhong, Jason Liu, Guy Bouchard
Background: Measuring expression profiles of inflammatory biomarkers is important in monitoring the polarization of immune responses; therefore, results should be independent of quantitation methods if they are to be accepted as validated clinical pathology biomarkers. To evaluate effects of differing quantitation methods, the seven major circulating Th1/Th2/Th17 cytokines interleukin 2 (IL-2), interferon γ (IFN-γ), tumor necrosis factor α (TNF-α), IL-4, IL-6, IL-10 and IL-17A were quantified in plasma of lipopolysaccharide (LPS)-treated mice with two different multiplex platforms...
2018: BMC Clinical Pathology
https://www.readbyqxmd.com/read/29277513/risk-factors-treatment-and-immune-dysregulation-in-autoimmune-cytopenia-following-allogeneic-hematopoietic-stem-cell-transplantation-in-pediatric-patients
#4
Matthijs D Kruizinga, Maarten J D van Tol, Vincent Bekker, Tanja Netelenbos, Frans J Smiers, Dorine Bresters, Anja M Jansen-Hoogendijk, Monique M van Ostaijen-Ten Dam, Wouter J W Kollen, Jaap J Zwaginga, Arjan C Lankester, Robbert G M Bredius
Auto- or alloimmune cytopenia (AIC) is a known rare complication of hematopoietic stem cell transplantation (SCT). AIC after SCT is considered difficult to treat and associated with high morbidity and mortality. In this retrospective study in pediatric patients we evaluated incidence, outcome, potential risk factors and current treatment strategies. A nested matched case-control study was performed to search for biomarkers associated with AIC. Of 531 consecutive SCTs at our center between 2000 and 2016, 26 were complicated by the development of AIC (cumulative incidence 5...
December 19, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29248492/r-loops-cause-genomic-instability-in-wiskott-aldrich-syndrome-thelper-lymphocytes
#5
Koustav Sarkar, Seong-Su Han, Kuo-Kwang Wen, Hans D Ochs, Loïc Dupré, Michael M Seidman, Yatin M Vyas
BACKGROUND: Wiskott-Aldrich syndrome (WAS), X-linked thrombocytopenia (XLT), and X-linked neutropenia (XLN), caused by WAS mutations affecting WASp expression or activity, manifest in immunodeficiency, autoimmunity, genomic-instability, and lymphoid-cancer. WASp supports filamentous-actin formation in the cytoplasm and gene-transcription in the nucleus. Although the genetic basis for XLT/WAS has been clarified, the relationships between mutant forms of WASp and the diverse features of these disorders remain ill-defined...
December 14, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29231896/differential-expression-of-serum-micrornas-supports-cd4%C3%A2-%C2%BA-t-cell-differentiation-into-th2-th17-cells-in-severe-equine-asthma
#6
Alicja Pacholewska, Matthias F Kraft, Vincent Gerber, Vidhya Jagannathan
MicroRNAs (miRNAs) regulate post-transcriptional gene expression and may be exported from cells via exosomes or in partnership with RNA-binding proteins. MiRNAs in body fluids can act in a hormone-like manner and play important roles in disease initiation and progression. Hence, miRNAs are promising candidates as biomarkers. To identify serum miRNA biomarkers in the equine model of asthma we investigated small RNA derived from the serum of 34 control and 37 asthmatic horses. These samples were used for next generation sequencing, novel miRNA identification and differential miRNA expression analysis...
December 12, 2017: Genes
https://www.readbyqxmd.com/read/29221580/mechanisms-of-allergen-immunotherapy-for-inhaled-allergens-and-predictive-biomarkers
#7
REVIEW
Mohamed H Shamji, Stephen R Durham
Allergen immunotherapy is effective in patients with IgE-dependent allergic rhinitis and asthma. When immunotherapy is given continuously for 3 years, there is persistent clinical benefit for several years after its discontinuation. This disease-modifying effect is both antigen-specific and antigen-driven. Clinical improvement is accompanied by decreases in numbers of effector cells in target organs, including mast cells, basophils, eosinophils, and type 2 innate lymphoid cells. Immunotherapy results in the production of blocking IgG/IgG4 antibodies that can inhibit IgE-dependent activation mediated through both high-affinity IgE receptors (FcεRI) on mast cells and basophils and low-affinity IgE receptors (FcεRII) on B cells...
December 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29197677/distinct-biomarker-profiles-in-ex-vivo-t-cell-depletion-graft-manipulation-strategies-cd34-selection-vs-cd3-19-depletion-in-matched-sibling-allogeneic-peripheral-blood-stem-cell-transplantation
#8
Caroline R Cantilena, Sawa Ito, Xin Tian, Prachi Jain, Fariba Chinian, Prathima Anandi, Keyvan Keyvanfar, Debbie Draper, Eleftheria Koklanaris, Sara Hauffe, Jeanine Superata, David Stroncek, Pawel Muranski, A John Barrett, Minoo Battiwalla
Various approaches have been developed for ex vivo T cell depletion in allogeneic stem cell transplantation to prevent graft versus host disease (GVHD). However, direct comparisons between T-cell depletion strategies have not been well studied. We evaluated cellular and plasma biomarkers in two different graft manipulation strategies: CD3+CD19+ cell depletion (CD3/19D) versus CD34+ selection (CD34S) and their association with clinical outcomes. Identical conditions including the myeloablative preparative regimen, HLA-identical sibling donor, GVHD prophylaxis, and graft source were used for each cohort...
November 29, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29185130/increased-lipid-and-protein-oxidation-and-lowered-anti-oxidant-defenses-in-systemic-lupus-erythematosus-are-associated-with-severity-of-illness-autoimmunity-increased-adhesion-molecules-and-th1-and-th17-immune-shift
#9
Bruna Miglioranza Scavuzzi, Andréa Name Colado Simão, Tatiana Mayumi Veiga Iriyoda, Marcell Alysson Batisti Lozovoy, Nicole Perugini Stadtlober, Lorena Flor da Rosa Franchi Santos, Tamires Flauzino, Fabiano Aparecido de Medeiros, Marcelo Cândido de Sá, Luana Consentin, Edna Maria Vissoci Reiche, Michael Maes, Isaias Dichi
This study investigated nitro-oxidative stress in patients with systemic lupus erythematosus (SLE) in association with disease activity, immune-inflammatory biomarkers, and adhesion molecules. Two-hundred-four patients with SLE and 256 healthy volunteers were enrolled in this case-control study, which measured nitro-oxidative stress biomarkers, including lipid peroxides (LOOH), advanced oxidation protein products (AOPPs), nitric oxide metabolites (NOx), sulfhydryl (-SH) groups, products of deoxyribonucleic acid (DNA)/ribonucleic acid (RNA) oxidative degradation, and total radical-trapping anti-oxidant parameter (TRAP)...
November 29, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29163510/the-equivocal-role-of-th17-cells-and-neutrophils-on-immunopathogenesis-of-leishmaniasis
#10
REVIEW
Suênia da C Gonçalves-de-Albuquerque, Rômulo Pessoa-E-Silva, Lays A M Trajano-Silva, Tayná Correia de Goes, Rayana C S de Morais, Cíntia N da C Oliveira, Virgínia M B de Lorena, Milena de Paiva-Cavalcanti
Advances in the understanding of leishmaniasis progression indicate that cellular interactions more complex than the Th1/Th2 paradigm define the course of infection. Th17 cells are a crucial modulator of adaptive immunity against Leishmania parasites acting mainly on neutrophil recruitment and playing a dual role at the site of infection. This review describes the roles of both these cell types in linking innate defense responses to the establishment of specific immunity. We focus on the Th17-neutrophil interaction as a crucial component of anti-Leishmania immunity, and the clinical evolution of cutaneous or visceral leishmaniasis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29137646/the-potential-of-interleukin-37-as-an-effective-therapeutic-agent-in-asthma
#11
REVIEW
Lina Zhang, Jie Zhang, Peng Gao
Interleukin (IL)-37 belongs to the IL-1 cytokine family. It binds to IL-18Rα and recruits the orphan decoy IL-1R8. Emerging evidence shows that IL-37 is a key player in the regulation of inflammation, cellular differentiation, and proliferation. Altered IL-37 expression has been demonstrated in many inflammatory disease conditions, including asthma. In rheumatoid arthritis, IL-37 is involved in the regulation of proliferation, production of inflammatory mediators, and activation of inflammatory cells. Furthermore, this cytokine acts as a negative regulator of inflammation in inflammatory bowel disease...
November 14, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29126764/stat5a-and-stat6-gene-expression-levels-in-multiple-sclerosis-patients
#12
Mahsa Hatami, Tayyebali Salmani, Shahram Arsang-Jang, Mir Davood Omrani, Mehrdokht Mazdeh, Soudeh Ghafouri-Fard, Arezou Sayad, Mohammad Taheri
Multiple sclerosis (MS) is a complex inflammatory, autoimmune disease of the central nervous system (CNS). The disease pathogenesis is not well defined yet. Cytokines have an important role in inflammation as characteristic feature of the disease. Janus kinase/signal transducers and activators of transcriptions (JAK/STAT) family promote cytokine-mediated cell activation. Failure in the JAK/STAT signaling pathway is associated with the pathological outcome in MS. In this study, we compared the expression levels of STAT5a and STAT6 genes in the blood of 50 relapsing-remitting MS (RR-MS) patients and 50 healthy controls by Taqman Quantitative Real-Time PCR in patients and healthy control group...
November 7, 2017: Cytokine
https://www.readbyqxmd.com/read/29122671/temporal-cytokine-and-lymphoid-responses-to-an-inhaled-tlr7-antedrug-agonist-in-the-cynomolgus-monkey-demonstrates-potential-safety-and-tolerability-of-this-approach
#13
John Bell, Mike Dymond, Mark Biffen, Stephen Delaney, David Keeling, Hui Zhang, Ian Robinson
AZD8848 is a TLR7 agonist antedrug developed for administration by inhalation dosing for the treatment of allergic diseases, such as asthma. Allergic asthma is associated with increased levels of Th2 cytokines which are suppressed for extended periods by TLR7 agonists in a number of preclinical models of allergic airway inflammation. However, TLRs form a central part of innate immunity and their activation often results in proinflammatory responses. Whilst AZD8848's antedrug mechanism is designed to restrict its pharmacological action beyond the lung, the effect of chronic, supramaximal dosing to the target tissue has yet to be defined...
November 6, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29083474/alopecia-areata-is-characterized-by-expansion-of-circulating-th2-tc2-th22-within-the-skin-homing-and-systemic-t-cell-populations
#14
Tali Czarnowicki, Helen Y He, Huei-Chi Wen, Peter W Hashim, John K Nia, Kunal Malik, Yeriel Estrada, Grace W Kimmel, Mark Taliercio, James G Krueger, Emma Guttman-Yassky
BACKGROUND: Characterizing blood profile of alopecia areata (AA) is not only important for treatment advancements, but also for possibly identifying peripheral biomarkers that will eliminate the need for scalp biopsies. We aimed to compare frequencies of skin homing (CLA(+) ) vs. systemic (CLA(-) ) "polar" CD4(+) and CD8(+) and activated T-cell subsets in AA vs. AD and control blood. METHODS: Flow cytometry was used to measure IFN-γ, IL-13, IL-9, IL-17, and IL-22 cytokines in CD4(+) and CD8(+) T-cells...
October 30, 2017: Allergy
https://www.readbyqxmd.com/read/29048509/plasma-but-not-cerebrospinal-fluid-interleukin-7-and-interleukin-5-levels-pre-antiretroviral-therapy-commencement-predict-cryptococcosis-associated-immune-reconstitution-inflammatory-syndrome
#15
Ngomu Akeem Akilimali, Christina C Chang, Daniel M Muema, Tarylee Reddy, Mahomed-Yunus S Moosa, Sharon R Lewin, Martyn A French, Thumbi Ndung'u
Background: Patients with human immunodeficiency virus/AIDS-associated cryptococcal meningitis (CM) frequently experience clinical deterioration, known as cryptococcosis-associated immune reconstitution inflammatory syndrome (C-IRIS), upon initiation of antiretroviral therapy (ART). The immunological mechanisms underlying C-IRIS are incompletely defined and no reliable predictive biomarkers exist. We investigated whether plasma or cerebrospinal fluid (CSF) levels of cytokines and chemokines predicted C-IRIS and are potential predictive biomarkers...
October 16, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28975100/impact-of-%C3%AE-h1-and-%C3%AE-h2-cytokines-in-the-progression-of-idiopathic-nephrotic-syndrome-due-to-focal-segmental-glomerulosclerosis-and-minimal-change-disease
#16
Maria Stangou, Μichael Spartalis, Dimitra-Vasilia Daikidou, Theodora Kouloukourgiotou, Erasmia Sampani, Ioanna-Theologia Lambropoulou, Afroditi Pantzaki, Αikaterini Papagianni, George Efstratiadis
BACKGROUND: Differential diagnosis between primary focal segmental glomerulosclerosis (FSGS) and minimal change disease (MCD) is sometimes difficult as nephrotic syndrome is the main clinical symptom in both diseases. OBJECTIVES: This study has attempted to evaluate the urinary excretion of Th1 and Th2 cytokines as potential biomarkers in distinguishing the two types of nephrotic syndrome, and predicting outcome of renal function. PATIENTS AND METHODS: Thirty-six patients with FSGS (M/F 22/14, Age; 41...
July 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28968786/influence-of-leishmania-rna-virus-1-on-proinflammatory-biomarker-expression-in-a-human-macrophage-model-of-american-tegumentary-leishmaniasis
#17
Ruwandi Kariyawasam, Jugvinder Grewal, Rachel Lau, Andrew Purssell, Braulio M Valencia, Alejandro Llanos-Cuentas, Andrea K Boggild
Backgound: Species of the Leishmania Viannia (L. V.) subgenus harbor the double-stranded Leishmania RNA virus 1 (LRV-1), previously identified in isolates from Brazil and Peru. Higher levels of LRV-1 in metastasizing strains of L. V. guyanensis have been documented in both human and murine models, and correlated to disease severity. Methods: Expression of proinflammatory biomarkers, including interleukin (IL) 1β, tumor necrosis factor alpha (TNF-α), CXCL10, CCL5, IL-6, and superoxide dismutase, in human macrophages infected with 3 ATCC and 5 clinical isolates of L...
October 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28918442/the-role-of-periostin-in-lung-fibrosis-and-airway-remodeling
#18
REVIEW
David N O'Dwyer, Bethany B Moore
Periostin is a protein that plays a key role in development and repair within the biological matrix of the lung. As a matricellular protein that does not contribute to extracellular matrix structure, periostin interacts with other extracellular matrix proteins to regulate the composition of the matrix in the lung and other organs. In this review, we discuss the studies exploring the role of periostin to date in chronic respiratory diseases, namely asthma and idiopathic pulmonary fibrosis. Asthma is a major health problem globally affecting millions of people worldwide with significant associated morbidity and mortality...
December 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28887947/therapeutic-pipeline-for-atopic-dermatitis-end-of-the-drought
#19
REVIEW
Amy S Paller, Kenji Kabashima, Thomas Bieber
Until the past year, our therapeutic armamentarium for treating atopic dermatitis (AD) was still primarily topical corticosteroids and, for more severe disease, systemic immunosuppressants. The pipeline of more targeted topical and systemic therapies is expanding based on our growing understanding of the mechanism for AD and is particularly focused on suppressing the skewed immune activation. Most agents are in phase 2 clinical trials. Crisaborole, a topical phosphodiesterase 4 (PDE4) inhibitor, became available in late 2016 in the United States for mild-to-moderate AD, with other PDE4 inhibitors, an agonist of the aryl hydrocarbon receptor, Janus kinase inhibitors, and commensal organisms also in trials for topical application...
September 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28863927/the-role-of-non-invasive-modalities-for-assessing-inflammation-in-patients-with-non-cystic-fibrosis-bronchiectasis
#20
Stamatoula Tsikrika, Katerina Dimakou, Andriana I Papaioannou, Georgios Hillas, Loukas Thanos, Kostantinos Kostikas, Stelios Loukides, Spyros Papiris, Nickolaos Koulouris, Petros Bakakos
INTRODUCTION: Bronchiectasis is a heterogeneous entity, taking into account clinical characteristics, inflammatory response, effectiveness of treatment and frequency of exacerbations. In stable state non-cystic fibrosis (non-CF) bronchiectasis, little is known about non-invasive techniques used for evaluating airway inflammation in obstructive airway diseases. OBJECTIVES: We sought to evaluate the associations between induced sputum and clinical/radiologic characteristics, and the differences between biomarkers expressing Th1 and Th2 response in patients with non-CF bronchiectasis and to compare our findings with a previously studied population of patients with asthma and COPD...
August 29, 2017: Cytokine
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