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Anti Th/To antibodies

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https://www.readbyqxmd.com/read/29773890/intraperitoneal-administration-of-the-anti-il-23-antibody-prevents-the-establishment-of-intestinal-nematodes-in-mice
#1
M Gomez-Samblas, D Bernal, A Bolado-Ortiz, S Vilchez, F Bolás-Fernández, A M Espino, M Trelis, A Osuna
Previous studies have established that an increased Th-9 response creates a hostile environment for nematode parasites. Given that IL-23, a cytokine required for maintenance of the IL-17-secreting phenotype, has inhibitory effects on IL-9 production, we hypothesized that reducing circulating IL-23 by treatment with anti-IL-23 antibodies would reduce the establishment and development of parasitic intestinal nematodes. In this study, we show that animals treated with anti-IL-23 monoclonal antibodies showed a drastic reduction in the number of mouse pinworms (Aspiculuris tetraptera) recovered from the intestine (p < 0...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29740348/could-sodium-chloride-be-an-environmental-trigger-for-immune-mediated-diseases-an-overview-of-the-experimental-and-clinical-evidence
#2
REVIEW
Eric Toussirot, Matthieu Béreau, Charline Vauchy, Philippe Saas
Immune mediated diseases (IMDs) are complex chronic inflammatory diseases involving genetic and environmental factors. Salt intake has been proposed as a diet factor that can influence the immune response. Indeed, experimental data report the influence of sodium chloride on the differentiation of naive CD4+ T cells into IL-17 secreting T helper (Th) cells (Th17 cells), by a mechanism involving the serum glucocorticoid kinase-1 (SGK1) that promotes the expression of the IL-23 receptor (IL-23R). The IL-23/IL-23R is critical for pathogenic inflammatory Th17 cell differentiation...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29731755/expression-and-function-of-il12-23-related-cytokine-subunits-p35-p40-and-p19-in-giant-cell-arteritis-lesions-contribution-of-p40-to-th1-and-th17-mediated-inflammatory-pathways
#3
Georgina Espígol-Frigolé, Ester Planas-Rigol, Ester Lozano, Marc Corbera-Bellalta, Nekane Terrades-García, Sergio Prieto-González, Ana García-Martínez, Jose Hernández-Rodríguez, Josep M Grau, Maria C Cid
Background: Giant-cell arteritis (GCA) is considered a T helper (Th)1- and Th17-mediated disease. Interleukin (IL)-12 is a heterodimeric cytokine (p35/p40) involved in Th1 differentiation. When combining with p19 subunit, p40 compose IL-23, a powerful pro-inflammatory cytokine that maintains Th17 response. Objectives: The aims of this study were to investigate p40, p35, and p19 subunit expression in GCA lesions and their combinations to conform different cytokines, to assess the effect of glucocorticoid treatment on subunit expression, and to explore functional roles of p40 by culturing temporal artery sections with a neutralizing anti-human IL-12/IL-23p40 antibody...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29694256/associations-of-circulating-cxcr3-pd-1-cd4-t-cells-with-disease-activity-of-systemic-lupus-erythematosus
#4
Han Lei, Yang Xue, Yu Yiyun, Wan Weiguo, Lv Ling, Hejian Zou
OBJECTIVES: Which helper CD4+ T cell subset contributes to autoantibodies generation and severity of end-organ involvement in lupus patients remains to be explored. Our research aims to investigate the roles of circulating Tfh (cTfh) cell subsets and corresponding CXCR5- Th cells in lupus patients and their correlation with SLEDAI. METHODS: Peripheral blood mononuclear cells (PBMCs) were isolated from blood of SLE patients as well as healthy donors. The proportion of Th cell Subsets classified from cell surface markers (CD45RO, CXCR5, CXCR3, CCR6, PD-1, ICOS, and CCR7) is detected by flow cytometry...
April 25, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29665658/effect-of-the-anti-il-17-antibody-on-allergic-inflammation-in-an-obesity-related-asthma-model
#5
Lin Liang, Jung Hur, Ji Young Kang, Chin Kook Rhee, Young Kyoon Kim, Sook Young Lee
Background/Aims: The co-occurrence of obesity aggravates asthma symptoms. Diet-induced obesity increases helper T cell (TH) 17 cell differentiation in adipose tissue and the spleen. The 3-hydroxy-3-methylglutaryl-coenzyme A reductase inhibitor pravastatin can potentially be used to treat asthma in obese patients by inhibiting interleukin 17 (IL-17) expression. This study investigated the combined effects of pravastatin and anti-IL-17 antibody treatment on allergic inflammation in a mouse model of obesity-related asthma...
April 19, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29627530/an-enriched-environment-restores-hepatitis-b-vaccination-mediated-impairments-in-synaptic-function-through-ifn-%C3%AE-arginase1-signaling
#6
Fangfang Qi, Zejie Zuo, Saisai Hu, Yucen Xia, Dan Song, Jiechen Kong, Yang Yang, Yingying Wu, Xiao Wang, Junhua Yang, Dandan Hu, Qunfang Yuan, Juntao Zou, Kaihua Guo, Jie Xu, Zhibin Yao
Activation of the neonatal immune system may contribute to deficits in neuronal plasticity. We have reported that neonatal vaccination with a hepatitis B vaccine (HBV) transiently impairs mood status and spatial memory involving a systemic T helper (Th) 2 bias and M1 microglial activation. Here, an EE induced microglial anti-inflammatory M2 polarization, as evidenced by selectively enhanced expression of the Arginase1 gene (Arg-1) in the hippocampus. Interestingly, knock-down of the Arg-1 gene prevented the effects of EE on restoring the dendritic spine density...
April 5, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29627423/a-jagged1-notch4-molecular-switch-mediates-airway-inflammation-by-ultrafine-particles
#7
Mingcan Xia, Hani Harb, Arian Saffari, Constantinos Sioutas, Talal A Chatila
BACKGROUND: Exposure to traffic-related particulate matter (PM) promotes asthma and allergic diseases. However, the precise cellular and molecular mechanisms by which PM exposure acts to mediate these effects remain unclear. OBJECTIVE: We sought to elucidate the cellular targets and signaling pathways critical for the augmentation of allergic airway inflammation induced by ambient ultra fine particles (UFP). METHODS: We employed in vitro cell culture assays using lung-derived antigen presenting cells and allergen-specific T cells, and in vivo mouse models of allergic airway inflammation that employed myeloid lineage-specific gene deletions, cellular reconstitution approaches and antibody inhibition studies...
April 5, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29616680/comparison-of-t-helper-cell-patterns-in-primary-open-angle-glaucoma-and-normal-pressure-glaucoma
#8
Chunyu Guo, Ningbo Wu, Xiaoyin Niu, Yue Wu, Dongfeng Chen, Wenyi Guo
BACKGROUND HSP60-related immunological activities are found in normal-pressure glaucoma (NPG) patients, in whom an elevated intraocular pressure (IOP) found in primary open-angle glaucoma (POAG) is not observed. HSP60 was found in POAG and NPG patients, while anti-HSP60 level was mainly found to be higher in NPG patients. The purpose of this study was to compare the percentages of Th cells and levels of related cytokines, attempting to provide evidence to explain this discrepancy. MATERIAL AND METHODS Blood samples from POAG, NPG, and normal control (NC) groups were collected and peripheral blood monocytes were isolated and cultured with or without the stimulation of HSP60...
April 4, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29594632/voltammetric-sandwich-immunoassay-for-cronobacter-sakazakii-using-a-screen-printed-carbon-electrode-modified-with-horseradish-peroxidase-reduced-graphene-oxide-thionine-and-gold-nanoparticles
#9
Fanjun Zhu, Guangying Zhao, Wenchao Dou
The authors describe a sandwich-type of electrochemical immunoassay for rapid determination of the foodborne pathogen Cronobacter sakazakii (C. sakazakii). Polyclonal antibody against C. sakazakii (anti-C. sakazakii) and horseradish peroxidase were immobilized on a nanocomposite consisting of reduced graphene oxide, thionine and gold nanoparticles (AuNPs) that was placed on a screen-printed carbon electrode (SPCE). Thionine acts as an electron mediator which also shortens the electron transfer pathway from the conjugated HRP to the electrode surface and amplifies the electrochemical signal...
December 9, 2017: Mikrochimica Acta
https://www.readbyqxmd.com/read/29588152/generation-and-characterization-of-a-potent-fully-human-monoclonal-antibody-against-the-interleukin-23-receptor
#10
Haruna Sasaki-Iwaoka, Makoto Ohori, Akira Imasato, Katsunari Taguchi, Kyoko Minoura, Tetsu Saito, Kiyoshi Kushima, Emiko Imamura, Satoshi Kubo, Shigetada Furukawa, Tatsuaki Morokata
Interleukin (IL)-12 and IL-23 share a common subunit (p40) and function in T-helper (Th) 1 and Th17 immunity, respectively. Anti-IL-12/23p40 and specific anti-IL-23 antibodies are currently in clinical use for psoriasis and undergoing trials for autoimmune diseases. Since expression levels of the IL-23 receptor are likely to be much lower than those of IL-23, an anti-IL-23 receptor antibody might offer greater promise in inhibiting the IL-23-IL-17 pathways involved in inflammatory disorders. To our knowledge, no anti-IL-23 receptor antibody has been trialed in clinical studies to date...
March 24, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29568889/treatment-of-experimental-autoimmune-myasthenia-gravis-rats-with-fty720-and-its-effect-on-th1-th2-cells
#11
Jiankang Huang, Ting Zhang, Hongmei Wang, Yuwu Zhao
Myasthenia gravis (MG) is an autoimmune neurological disease that is characterized by the expression of anti-acetylcholine receptor (AChR) antibodies. The immune response at AChRs of neuromuscular junction is disrupted in patients with MG, which manifests as skeletal muscle fatigue and is aggravated following periods of activity and alleviated following rest. Although a novel immune suppressant FTY720 drug, which exhibits strong immune suppression efficacy and minor adverse effects, is available, its role and mechanism in MG have not been elucidated...
March 16, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29567318/hmgb1-regulates-t-helper-2-and-t-helper17-cell-differentiation-both-directly-and-indirectly-in-asthmatic-mice
#12
Ruiting Li, Jing Wang, Fangfang Zhu, Ruifang Li, Bing Liu, Wenjuan Xu, Guangzhen He, Huan Cao, Yimin Wang, Jiong Yang
The Th (T helper) 2 response is characteristic of allergic asthma, and Th17 cells are involved in more severe asthma. Recent studies demonstrated that HMGB1 (High mobility group box 1 protein) regulates airway inflammation and the Th2, Th17 inflammatory response in asthma. HMGB1 can interact with Toll-like receptors (TLR) 2 and 4, and the receptor for advanced glycation end products (RAGE), activating the NF-κB (nuclear factor kappa B) signaling pathway and inducing the release of downstream inflammatory mediators...
March 19, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29560621/distribution-of-interleukin-22-secreting-immune-cells-in-conjunctival-associated-lymphoid-tissue
#13
Chang Ho Yoon, Daeseung Lee, Hyun Jeong Jeong, Jin Suk Ryu, Mee Kum Kim
PURPOSE: Interleukin (IL)-22 is a cytokine involved in epithelial cell regeneration. Currently, no research studies have analyzed the distribution of the three distinct IL-22-secreting cell populations in human or mouse conjunctiva. This study investigated the distribution of the three main populations of IL-22-secreting immune cells, αβ Th cells, γδ T cells, or innate cells (innate lymphoid cells [ILCs] or natural killer cells), in conjunctival associated lymphoid tissues (CALTs) in human and mouse models...
March 19, 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29554934/ox40l-induces-helper-t-cell-differentiation-during-cell-immunity-of-asthma-through-pi3k-akt-and-p38-mapk-signaling-pathway
#14
Li Huang, Meijuan Wang, Yongdong Yan, Wenjing Gu, Xinxing Zhang, Jiahong Tan, Huiming Sun, Wei Ji, Zhengrong Chen
BACKGROUND: The aim of this study was to investigate the mechanisms of OX40L in regulating helper T (Th) cells differentiation through phosphoinositide 3-kinase (PI3K)/AKT and p38 mitogen-activated protein kinase signaling pathway in vitro and in vivo experiments. METHODS: Serum samples of patients with asthma and healthy controls were used to explore the association between OX40L and Th cells. Enzyme-linked immunosorbent assay (ELISA) was used to measure the serum concentrations of OX40L, IL-4, IFN-γ, IL-17 and TGF-β...
March 20, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29526637/clinical-and-experimental-evidence-for-targeting-cd6-in-immune-based-disorders
#15
REVIEW
Marta Consuegra-Fernández, Feng Lin, David A Fox, Francisco Lozano
CD6 is a cell surface glycoprotein expressed by most T cells and a subset of B cells that has incompletely-defined roles in regulation of lymphocyte development, selection, activation and differentiation. The two main known mammalian CD6 ligands, CD166/ALCAM and the very recently reported CD318, are widely expressed by both immune cells and a wide range of other cell types, including various epithelial and mesenchymal cell types, as well as many neoplasms. Moreover, CD6 is also a receptor for several pathogen- and damage-associated molecular patterns...
May 2018: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29524262/interleukin-31-and-interleukin-31-receptor-new-therapeutic-targets-for-atopic-dermatitis
#16
REVIEW
Chisa Nakashima, Atsushi Otsuka, Kenji Kabashima
Atopic dermatitis (AD) is characterized by chronic, eczematous, severe pruritic skin lesions caused by skin barrier dysfunction and T helper (Th)2 cell-mediated immunity. Interleukin (IL)-31 is a potent pruritogenic cytokine primarily produced by Th2 cells. Both IL-31 transgenic mice and wild-type mice treated with IL-31 exhibit AD-like skin lesions and scratching behaviour. IL-31 receptor α-chain (IL-31RA) is also expressed in peripheral nerves and epidermal keratinocytes, and the roles of IL-31 on pruritus and skin barrier have been investigated...
April 2018: Experimental Dermatology
https://www.readbyqxmd.com/read/29522519/role-of-heme-in-lung-bacterial-infection-after-trauma-hemorrhage-and-stored-red-blood-cell-transfusion-a-preclinical-experimental-study
#17
Brant M Wagener, Parker J Hu, Joo-Yeun Oh, Cilina A Evans, Jillian R Richter, Jaideep Honavar, Angela P Brandon, Judy Creighton, Shannon W Stephens, Charity Morgan, Randal O Dull, Marisa B Marques, Jeffrey D Kerby, Jean-Francois Pittet, Rakesh P Patel
BACKGROUND: Trauma is the leading cause of death and disability in patients aged 1-46 y. Severely injured patients experience considerable blood loss and hemorrhagic shock requiring treatment with massive transfusion of red blood cells (RBCs). Preclinical and retrospective human studies in trauma patients have suggested that poorer therapeutic efficacy, increased severity of organ injury, and increased bacterial infection are associated with transfusion of large volumes of stored RBCs, although the mechanisms are not fully understood...
March 2018: PLoS Medicine
https://www.readbyqxmd.com/read/29514998/t-follicular-helper-like-cells-contribute-to-skin-fibrosis
#18
Devon K Taylor, Nanette Mittereder, Ellen Kuta, Tracy Delaney, Timothy Burwell, Karma Dacosta, Weiguang Zhao, Lily I Cheng, Charles Brown, Anmarie Boutrin, Xiang Guo, Wendy I White, Jie Zhu, Huifang Dong, Michael A Bowen, Jia Lin, Changshou Gao, Li Yu, Madhu Ramaswamy, Marie-Claude Gaudreau, Rob Woods, Ronald Herbst, Gianluca Carlesso
Systemic sclerosis (SSc) is a debilitating inflammatory and fibrotic disease that affects the skin and internal organs. Although the pathophysiology of SSc remains poorly characterized, mononuclear cells, mainly macrophages and T cells, have been implicated in inflammation and fibrosis. Inducible costimulator (ICOS), which is expressed on a subset of memory T helper (TH ) and T follicular helper (TFH ) cells, has been shown to be increased in SSc and associated with disease pathology. However, the identity of the relevant ICOS+ T cells and their contribution to inflammation and fibrosis in SSc are still unknown...
March 7, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29490676/pharmacological-characterisation-of-cr6086-a-potent-prostaglandin-e-2-receptor-4-antagonist-as-a-new-potential-disease-modifying-anti-rheumatic-drug
#19
Gianfranco Caselli, Albino Bonazzi, Marco Lanza, Flora Ferrari, Daniele Maggioni, Cristian Ferioli, Roberto Giambelli, Eleonora Comi, Silvia Zerbi, Marco Perrella, Ornella Letari, Elena Di Luccio, Milena Colovic, Stefano Persiani, Tiziano Zanelli, Laura Mennuni, Tiziana Piepoli, Lucio Claudio Rovati
BACKGROUND: Prostaglandin E2 (PGE2 ) acts via its EP4 receptor as a cytokine amplifier (e.g., interleukin [IL]-6) and induces the differentiation and expansion of inflammatory T-helper (Th) lymphocytes. These mechanisms play a key role in the onset and progression of rheumatoid arthritis (RA). We present the pharmacological characterisation of CR6086, a novel EP4 receptor antagonist, and provide evidence for its potential as a disease-modifying anti-rheumatic drug (DMARD). METHODS: CR6086 affinity and pharmacodynamics were studied in EP4-expressing HEK293 cells by radioligand binding and cyclic adenosine monophosphate (cAMP) production, respectively...
March 1, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29485009/oral-submucous-fibrosis-as-an-overhealing-wound-implications-in-malignant-transformation
#20
Mohit Sharma, Smitha Sammith Shetty, Raghu Radhakrishnan
BACKGROUND: Oral submucous fibrosis is an oral potentially malignant disorder with high incidence of malignant transformation and rising global prevalence. However, the genesis of oral submucous fibrosis is still unclear despite superfluity of literature. In the background of ineffective treatment, it is necessary to decode its onset and progression before designing customized treatment regimens. OBJECTIVE: The objective of this article is to decipher the pathogenesis of oral submucous fibrosis in order to identify novel drug targets...
February 26, 2018: Recent Patents on Anti-cancer Drug Discovery
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