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https://www.readbyqxmd.com/read/28812210/increased-il-6-expression-on-thp-1-by-il-34-stimulation-up-regulated-rheumatoid-arthritis-th17-cells
#1
Bing Wang, Yawei Tang, Xiaotong Sun, Xunli Ouyang, Han Li, Jing Wei, Yan Zhang, Xia Li
IL-34 is a pleiotropic cytokine, which is a key regulator of monocytes/macrophages and might participate in the pathogenesis of RA. In this study, we aimed to explore the effect of IL-34 on the monocyte-like cell line THP-1 and the quantitative variation of Th17 cells in THP-1 and RA CD4(+)T cells coculture system. CD4(+)T cells were purified from RA PBMC using immunomagnetic beads. THP-1 were cultured with RA CD4(+)T cells. The frequency of Th17 cells was determined by FACS. Fluorscence indensity and expression of ROS were detected by FACS and cell staining, respectively...
August 15, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28811236/interleukin-26-is-overexpressed-in-beh%C3%A3-et-s-disease-and-enhances-th17-related-cytokines
#2
Wajih Kaabachi, Eya Bouali, Anissa Berraïes, Imen Ben Dhifallh, Besma Hamdi, Kamel Hamzaoui, Agnès Hamzaoui
Behçet's disease (BD) is a multi-systemic inflammatory disorder characterized by the "triple symptom complex". Several pro-inflammatory cytokines, mainly derived from the immune Th17 axis, seem to be involved in different pathogenic pathways leading to development of the clinical manifestations. Here, we have analyzed the expression and role of IL-26 in active BD patients, an inflammatory disorder characterized by bronchoalveolar lavage fluid (BAL) and in cerebrospinal fluid (CSF) inflammation. On this basis, the primary aim of our work was to study IL-26 levels in serum, BAL CSF) from active BD patients...
August 12, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28798047/mtor-regulates-metabolic-adaptation-of-apcs-in-the-lung-and-controls-the-outcome-of-allergic-inflammation
#3
Charles Sinclair, Gayathri Bommakanti, Luiz Gardinassi, Jens Loebbermann, Matthew Joseph Johnson, Paul Hakimpour, Thomas Hagan, Lydia Benitez, Andrei Todor, Deepa Machiah, Timothy Oriss, Anuradha Ray, Steven Bosinger, Rajesh Ravindran, Shuzhao Li, Bali Pulendran
Antigen-presenting cells (APCs) occupy diverse anatomical tissues, but their tissue-restricted homeostasis remains poorly understood. Here, working in mouse models of inflammation, we found that mTOR-dependent metabolic adaptation was required at discrete locations. mTOR was dispensable for DC homeostasis in secondary lymphoid tissues but necessary to regulate cellular metabolism and accumulation of CD103(+) DCs and alveolar macrophages in lung. Moreover, while numbers of mTOR-deficient lung CD11b(+) DCs were not changed, they were metabolically reprogrammed to skew allergic inflammation from eosinophilic Th2 to neutrophilic Th17 polarity...
August 10, 2017: Science
https://www.readbyqxmd.com/read/28792532/continuous-il-23-stimulation-drives-ilc3-depletion-in-the-upper-gi-tract-and-in-combination-with-tnf%C3%AE-induces-robust-activation-and-a-phenotypic-switch-of-ilc3
#4
Amanda M Schmidt Paustian, Jesus Paez-Cortez, Shaughn Bryant, Susan Westmoreland, Wendy Waegell, Gillian Kingsbury
Mutations in the Interleukin (IL)-23/IL-23 receptor loci are associated with increased inflammatory bowel disease (IBD) susceptibility, and IL-23 neutralization has shown efficacy in early clinical trials. To better understand how an excess of IL-23 affects the gastrointestinal tract, we investigated chronic systemic IL-23 exposure in healthy wildtype mice. As expected, IL-23 exposure resulted in early activation of intestinal type 3 innate lymphoid cells (ILC3), followed by infiltration of activated RORγt+ T helper cells...
2017: PloS One
https://www.readbyqxmd.com/read/28791896/biologics-that-inhibit-the-th17-pathway-and-related-cytokines-to-treat-inflammatory-disorders
#5
Anna Balato, Emanuele Scala, Nicola Balato, Giuseppina Caiazzo, Roberta Di Caprio, Giuseppe Monfrecola, Annunziata Raimondo, Serena Lembo, Fabio Ayala
Advances in the understanding of TNF-α and IL-17 synergistic functions have recently led to the concept that patients who do not respond or who respond inadequately to TNF-α inhibitors may have IL-17-driven diseases, opening up the way for a new class of therapeutic development: Th17-inhibitors. Areas covered: In this review, the authors discuss the central role that the IL-23/Th17 axis plays in the pathogenesis of several inflammatory diseases, such as psoriasis, highlighting its position as a relevant therapeutic target...
August 9, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28782487/natalizumab-changes-the-peripheral-profile-of-the-th17-panel-in-ms-patients-new-mechanisms-of-action
#6
Rodica Ioana Bălașa, Simu Mihaela, Septimiu Voidăzan, Laura Iulia Bărcuțean, Zoltan Bajko, Adina Huțanu, Iunius Simu, Smaranda Maier
INTRODUCTION: Natalizumab (NAT) is an effective treatment for relapsing remitting multiple sclerosis (RRMS),as it makes the blood-brain-barrier impenetrable bybinding to the α4integrin subunit. The objectives of our study were to find new peripheral mechanisms of action of NAT and new biomarkers of treatment response. MATERIAL AND METHODS: We prospectively assessed the serum levels of 15 cytokines from the Th17 Cytokine Panelusing Bio-plex Pro Human in a group of 29 RRMS patients treated with NAT and 29 healthy subjects(HS) at inclusion and after 8 months of NAT treatment...
August 7, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28780985/9-19-cycloartenol-glycoside-g3-from-cimicifuga-simplex-regulates-immune-responses-by-modulating-th17-treg-ratio
#7
Yang Su, Lun Wu, Guangrui Mu, Qiuhong Wang, Bingyou Yang, Genhong Cheng, Haixue Kuang
Cimicifuga simplex is a medicinal herb which has a wide range of biological activities. We isolated seven 9,19-cycloartenol glycosides from the roots of C. simplex, and among the glycosides, G3 exhibited the strongest inhibitory effect on immune responses, including suppressing the differentiation of CD(4+) T cells and directly suppressing the cytokine-induced JAK/STAT signaling pathways. In the IL-23-induced mouse ear model of skin disease, G3 repressed disease development by inhibiting the expression of pro-inflammatory mediators in murine ear skin...
July 27, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28776360/biomarkers-imaging-and-disease-activity-indices-in-patients-with-early-axial-spondyloarthritis-the-italian-arm-of-the-spondyloarthritis-caught-early-space-study
#8
M Lorenzin, A Ortolan, S Vio, M Favero, F Oliviero, M Zaninotto, C Cosma, C Lacognata, L Punzi, R Ramonda
The study aimed to evaluate biomarkers facilitating early diagnosis of axial spondyloarthritis (axSpA) and correlations between them and disease activity parameters and imaging indexes. Patients with low back pain (LBP) (≥3 months, ≤2 years, onset ≤45 years) participating in the Italian arm of the SpondyloArthritis-Caught-Early SPACE study underwent a physical examination, questionnaires, laboratory tests, X-rays and MRI of the spine and sacroiliac joints (SIJ). An expert rheumatologist formulated axSpA diagnosis in accordance with Assessment of SpondyloArthritis International Society (ASAS) criteria...
August 3, 2017: Reumatismo
https://www.readbyqxmd.com/read/28770513/selective-interleukin-23-p19-inhibition-another-game-changer-in-psoriasis-focus-on-risankizumab
#9
Tiago Torres
The history of psoriasis treatment has been marked by several milestones. Corticosteroids, cyclosporine, tumor necrosis factor alpha (TNF-α) inhibitors and, more recently, interleukin (IL)-17A inhibitors have revolutionized the treatment of psoriasis, each in its own way and time. The IL-23/IL-17 axis is currently considered to be crucial in the pathogenesis of psoriasis and selective IL-23p19 inhibition may bring several advantages with respect to IL-12/23p40 inhibition, or distal blockade of IL-17A or its receptor...
August 2, 2017: Drugs
https://www.readbyqxmd.com/read/28769538/cytokine-kinetics-in-febrile-neutropenic-children-insights-on-the-usefulness-as-sepsis-biomarkers-influence-of-filgrastim-and-behavior-of-the-il-23-il-17-pathway
#10
Orlei Ribeiro de Araujo, Reinaldo Salomão, Milena Karina Coló Brunialti, Dafne Cardoso Bourguignon da Silva, Andreza Almeida Senerchia, Fabianne Altruda de Moraes Costa Carlesse, Antonio Sergio Petrilli
BACKGROUND: The study aimed to describe the kinetics of various cytokines from day 1 to day 14 of the onset of fever in neutropenic children and to evaluate their performances as discriminators of sepsis in the first 24 hours of fever, the possible influence of filgrastim, and the functioning of the IL-23/IL-17 axis. METHODS: IL-1β, TNF-α, IL-10, IL-12/23p40, IL-21, IL-6, IL-8, IL-17, G-CSF, and GM-CSF were measured in plasma on days 1, 2, 3, 5, and 14 from the onset of fever in 35 patients...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28769536/the-clinical-significance-of-increased-serum-proinflammatory-cytokines-c-reactive-protein-and-erythrocyte-sedimentation-rate-in-patients-with-hidradenitis-suppurativa
#11
D Jiménez-Gallo, R de la Varga-Martínez, L Ossorio-García, C Albarrán-Planelles, C Rodríguez, M Linares-Barrios
OBJECTIVES: To assess inflammatory serum markers including serum proinflammatory cytokines, C-reactive protein (CRP), and erythrocyte sedimentation rate (ESR) according to the clinical inflammatory activity of patients with hidradenitis suppurativa (HS). PATIENTS AND METHODS: Seventy-four patients with HS were studied based on the Hidradenitis Suppurativa-Physician Global Assessment (HS-PGA) score and Hurley staging system. Proinflammatory cytokines were measured using a multiplex cytokine assay...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28762472/absence-of-notch1-in-murine-myeloid-cells-attenuates-the-development-of-experimental-autoimmune-encephalomyelitis-by-affecting-th1-and-th17-priming
#12
Miriam Fernández, Eva M Monsalve, Susana López-López, Almudena Ruiz-García, Susana Mellado, Elena Caminos, José Javier García-Ramírez, Jorge Laborda, Pedro Tranque, María José M Díaz-Guerra
Inhibition of Notch signalling in T cells attenuates the development of experimental autoimmune encephalomyelitis (EAE), a mouse model of multiple sclerosis. Growing evidence indicates that myeloid cells are also key players in autoimmune processes. Thus, the present study evaluates the role of the Notch1 receptor in myeloid cells on the progression of myelin oligodendrocyte glycoprotein (MOG)35-55 -induced EAE, using mice with a myeloid-specific deletion of the Notch1 gene (MyeNotch1KO). We found that EAE progression was less severe in the absence of Notch1 in myeloid cells...
August 1, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28761880/therapeutic-effects-of-methanol-extract-from-euphorbia-kansui-radix-on-imiquimod-induced-psoriasis
#13
Soo Jeong Kim, Ye Won Jang, Kyung Eun Hyung, Da Kyoung Lee, Kee Hyeob Hyun, So-Young Park, Eon-Sub Park, Kwang Woo Hwang
The roots of Euphorbia kansui, which belong to the family Euphorbiaceae, have been used as a traditional medicine for the treatment of various diseases such as diabetes, ascites, and leukemia. Recently, it was reported that the methylene chloride fraction of E. kansui radix (EKC) regulated the differentiation of Th17 cells and alleviated the symptoms of Th17-related inflammatory bowel disease. Imiquimod (IMQ), a TLR7/8 agonist, has been used to induce psoriasis in a mouse model. In this study, we evaluated the effect of EKC in an IMQ-induced psoriasis model...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28760387/the-role-of-th17-cells-in-auto-inflammatory-neurological-disorders
#14
REVIEW
Foozhan Tahmasebinia, Arash Pourgholaminejad
The role of T helper 17 (Th17) cells in auto-inflammatory neurological disorders such as Multiple Sclerosis (MS), Alzheimer's disease (AD), Parkinson's disease (PD) and schizophrenia has not been clarified completely. Th17-derived pro-inflammatory cytokines including IL-17, IL-21, IL-22, IL-23, GM-CSF, and IFN-γ have a critical role in the pathogenesis of these disorders. In this review, we demonstrate the role of Th17 cells and their related cytokines in the immunopathology of above-mentioned disorders to get a better understanding of neuroinflammatory mechanisms mediated by Th17 cells associated with events leading to neurodegeneration...
July 29, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28759565/low-doses-of-cholera-toxin-and-its-mediator-camp-induce-ctla-2-secretion-by-dendritic-cells-to-enhance-regulatory-t-cell-conversion
#15
Cinthia Silva-Vilches, Katrien Pletinckx, Miriam Lohnert, Vladimir Pavlovic, Diyaaeldin Ashour, Vini John, Emilia Vendelova, Susanne Kneitz, Jie Zhou, Rena Chen, Thomas Reinheckel, Thomas D Mueller, Jochen Bodem, Manfred B Lutz
Immature or semi-mature dendritic cells (DCs) represent tolerogenic maturation stages that can convert naive T cells into Foxp3+ induced regulatory T cells (iTreg). Here we found that murine bone marrow-derived DCs (BM-DCs) treated with cholera toxin (CT) matured by up-regulating MHC-II and costimulatory molecules using either high or low doses of CT (CThi, CTlo) or with cAMP, a known mediator CT signals. However, all three conditions also induced mRNA of both isoforms of the tolerogenic molecule cytotoxic T lymphocyte antigen 2 (CTLA-2α and CTLA-2β)...
2017: PloS One
https://www.readbyqxmd.com/read/28757426/emerging-role-of-interleukins-il-23-il-17-axis-and-biochemical-markers-in-the-pathogenesis-of-type-2-diabetes-association-with-age-and-gender-in-human-subjects
#16
Naureen Fatima, Syed Mohd Faisal, Swaleha Zubair, Sheelu Shafiq Siddiqui, Shagufta Moin, Mohammad Owais
Chronic hyperglycaemia in type 2 diabetes (T2D) is associated with increased oxidative stress and inflammation. Keeping the above fact into consideration we analyse the effect of age and gender on oxidative stress biomarkers and pro-inflammatory cytokines in T2D patients. The study included 148 diabetic and 110 healthy subjects, grouped on the basis of age and gender. Plasma malondialdehyde, protein carbonyl content and nitric oxide levels were elevated significantly in diabetic patients, with significant decrease in Ferric reducing ability of plasma, vitamin C, reduced glutathione, erythrocyte thiol groups and erythrocyte antioxidant enzyme activity and these changes were even more pronounced as age progressed...
July 27, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28757397/low-utility-of-serum-25-hydroxyvitamin-d3-and-1-25-dihydroxyvitamin-d3-in-predicting-peripheral-treg-and-th17-cell-counts-in-esrd-and-renal-transplant-patients
#17
Mostafa G Aly, Li Zhu, Rolf Weimer, Gerhard Opelz, Christian Morath, Ruben Kuon, Mohammed Tohamy, Gamal Saadi, Mona Soliman, Walaa Ibrahim, Volker Daniel
BACKGROUND: Vitamin D has shown an immune-modulatory effect in different studies. Vitamin D stimulates Tregs and inhibits Th17 cells. The immune-modulatory role of vitamin D in chronic kidney disease (CKD) and renal transplant patients is unclear. We measured whether different serum levels of vitamin D were associated with an increased or decreased presence of lymphocyte subsets including Treg and Th17 cells in end-stage renal disease (ESRD) and renal transplant recipients. METHODS: Eighty-seven renal transplant recipients and 53 end-stage renal disease (ESRD) patients were enrolled in this study...
July 27, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28757198/dissecting-the-immune-pathways-stimulated-following-injection-vaccination-of-rainbow-trout-oncorhynchus-mykiss-against-enteric-redmouth-disease-erm
#18
Eakapol Wangkahart, Christopher J Secombes, Tiehui Wang
Enteric redmouth disease (ERM or yersiniosis) is one of the most important diseases of salmonids and leads to significant economic losses. It is caused by the Gram-negative bacterium Yersinia ruckeri but can be controlled by bacterin vaccination. The first commercial ERM vaccine was licenced in 1976 and is one of the most significant and successful health practices within the aquaculture industry. Although ERM vaccination provides complete protection, knowledge of the host immune response to the vaccine and the molecular mechanisms that underpin the protection elicited is limited...
July 27, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28756243/cytokine-profiles-of-pre-engraftment-syndrome-after-single-unit-cord-blood-transplantation-for-adult-patients
#19
Takaaki Konuma, Chisato Kohara, Eri Watanabe, Motoko Mizukami, Etsuko Nagai, Maki Oiwa-Monna, Susumu Tanoue, Masamichi Isobe, Seiko Kato, Arinobu Tojo, Satoshi Takahashi
Clinical manifestation of high grade fever and skin rash prior to neutrophil engraftment, which is called pre-engraftment syndrome (PES) or pre-engraftment immune reaction, has been frequently observed after cord blood transplantation (CBT). The pathophysiology of PES is poorly understood, but cytokine storm during the early phase of CBT is thought to be one of the main cause of PES. However, the cytokine profiles of PES after CBT are unclear. Therefore, we examined the relationship between serum cytokine profiles and PES in 44 adult patients who received CBT in our institute between February 2013 and June 2016...
July 26, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28747343/the-development-of-steady-state-activation-hubs-between-adult-lti-ilc3s-and-primed-macrophages-in-small-intestine
#20
Adam K Savage, Hong-Erh Liang, Richard M Locksley
Group 3 innate lymphoid cells (ILC3s) are important for intestinal health, particularly in controlling inflammation in response to epithelial dysregulation, but their role during homeostasis remains less well understood. We generated IL-22 reporter mice to assess production of this key cytokine by ILC3s in the small intestine during development and under basal conditions. Although IL-22 is produced by a variety of lymphocyte populations, constitutively high IL-22 expression was limited to lymphoid-tissue inducer (LTi) cells residing in lymph node-like structures in the gut called solitary intestinal lymphoid tissues (SILT)...
July 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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