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https://www.readbyqxmd.com/read/27909407/the-tlr4-active-morphine-metabolite-morphine-3-glucuronide-does-not-elicit-macrophage-classical-activation-in-vitro
#1
Samira Khabbazi, Nan Xie, Wenjun Pu, Yannick Goumon, Marie-Odile Parat
Macrophages are abundant in the tumor microenvironment where they adopt a pro-tumor phenotype following alternative polarization induced by paracrine factors from cancer and stromal cells. In contrast, classically activated macrophages have tumoricidal activities, such that the polarization of tumor-associated macrophages has become a novel therapeutic target. Toll-like receptor 4 engagement promotes classical activation of macrophages, and recent literature suggests TLR4 agonism to prevent metastasis and promote survival in experimental metastasis models...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27905482/pharmacologic-modulation-of-ror%C3%AE-t-translates-to-efficacy-in-preclinical-and-translational-models-of-psoriasis-and-inflammatory-arthritis
#2
Xiaohua Xue, Pejman Soroosh, Aimee De Leon-Tabaldo, Rosa Luna-Roman, Marciano Sablad, Natasha Rozenkrants, Jingxue Yu, Glenda Castro, Homayon Banie, Wai-Ping Fung-Leung, Luis Santamaria-Babi, Thomas Schlueter, Michael Albers, Kristi Leonard, Alison L Budelsky, Anne M Fourie
The IL-23/IL-17 pathway is implicated in autoimmune diseases, particularly psoriasis, where biologics targeting IL-23 and IL-17 have shown significant clinical efficacy. Retinoid-related orphan nuclear receptor gamma t (RORγt) is required for Th17 differentiation and IL-17 production in adaptive and innate immune cells. We identified JNJ-54271074, a potent and highly-selective RORγt inverse agonist, which dose-dependently inhibited RORγt-driven transcription, decreased co-activator binding and promoted interaction with co-repressor protein...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904530/blockade-of-il-23-ameliorates-allergic-lung-inflammation-via-decreasing-the-infiltration-of-tc17-cells
#3
Sheng Cheng, Huilong Chen, Aili Wang, Hansvin Bunjhoo, Yong Cao, Jungang Xie, Yongjian Xu, Weining Xiong
INTRODUCTION: Tc17 cells are interleukin (IL)-17-producing CD8(+) T cells and have been found to participate in the development of allergic asthma. Interleukin-23 is a cytokine that may be involved in modulating the IL-17 response via Th17 cells. This study aimed to investigate whether IL-23 also has immunomodulatory effects on Tc17 cells. MATERIAL AND METHODS: An allergic asthmatic mouse model was induced by sensitizing and challenging with ovalbumin (OVA). Anti-IL-23 antibody was administered intratracheally before challenge to the OVA-induced asthmatic mouse model...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27900676/functional-implications-of-the-il-23-il-17-immune-axis-in-schizophrenia
#4
REVIEW
Monojit Debnath, Michael Berk
The aetiology of schizophrenia seems to stem from complex interactions amongst environmental, genetic, metabolic, immunologic and oxidative components. Chronic low-grade inflammation has been persistently linked to schizophrenia, and this has primarily been based on the findings derived from Th1/Th2 cytokine balance. While the IL-23/IL-17 axis plays crucial role in the pathogenesis of several immune-mediated disorders, it has remained relatively unexplored in neuropsychiatric disorders. Altered levels of cytokines related to IL-23/IL-17 axis have been observed in schizophrenia patients in a few studies...
November 29, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27899095/effects-of-the-ayurved-siriraj-wattana-recipe-on-functional-and-phenotypic-characterization-of-cytokine-induced-killer-cells-and-dendritic-cells-in-vitro
#5
Adisak Wongkajornsilp, Nuntarak Numchaisermsuk, Khanit Sa-Ngiamsuntorn, Pravit Akarasereenont, Valla Wamanuttajinda, Kanda Kasetsinsombat, Sunisa Duangsa-Ard, Tawee Laohapan, Kittipong Maneechotesuwan
BACKGROUND: Ayurved Siriraj Wattana recipe (AVS073), has been prescribed as tonic, to increase appetite, and for pain relief. It also exhibits antioxidant, anti-inflammatory, immunomodulating and anti-cancer activities. However, the immunomodulatory effects on antigen-presenting cells and effector T cells remained elusive. We thus aimed to study the effects of AVS073 on differentiation, maturation, functions and proportions of CIK cells and monocyte-derived DCs. METHODS: CIK cells and monocyte-derived DCs were treated with AVS073, followed by the assessment of T-helper (Th) phenotypes using real-time RT-PCR and flow cytometry...
November 29, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27895169/critical-role-of-ltb4-blt1-in-il-23-induced-synovial-inflammation-and-osteoclastogenesis-via-nf-%C3%AE%C2%BAb
#6
Laura Bouchareychas, Eva M Grössinger, Mincheol Kang, Hong Qiu, Iannis E Adamopoulos
IL-23 activates the synthesis and production of leukotriene B4 (LTB4) in myeloid cells, which modulate inflammatory arthritis. In this study we investigated the role of LTB4 and its receptor LTB4R1 (BLT1) in synovial inflammation and osteoclast differentiation. Specifically, we used IL-23 in vivo gene transfer to induce arthritis in mice and showed that elevated serum LTB4 and synovial expression of 5-lipoxygenase correlated with increased disease severity by histological evaluation and paw swelling compared with GFP gene transfer controls...
November 28, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27892456/il-12-protects-from-psoriasiform-skin-inflammation
#7
Paulina Kulig, Stephanie Musiol, Sandra Nicole Freiberger, Bettina Schreiner, Gabor Gyülveszi, Giancarlo Russo, Stanislav Pantelyushin, Kenji Kishihara, Francesca Alessandrini, Thomas Kündig, Federica Sallusto, Günther F L Hofbauer, Stefan Haak, Burkhard Becher
Neutralization of the common p40-subunit of IL-12/23 in psoriasis patients has led to a breakthrough in the management of moderate to severe disease. Aside from neutralizing IL-23, which is thought to be responsible for the curative effect, anti-p40 therapy also interferes with IL-12 signalling and type 1 immunity. Here we dissect the individual contribution of these two cytokines to the formation of psoriatic lesions and understand the effect of therapeutic co-targeting of IL-12 and IL-23 in psoriasis. Using a preclinical model for psoriatic plaque formation we show that IL-12, in contrast to IL-23, has a regulatory function by restraining the invasion of an IL-17-committed γδT (γδT17) cell subset...
November 28, 2016: Nature Communications
https://www.readbyqxmd.com/read/27891128/immune-imbalances-in-non-alcoholic-fatty-liver-disease-from-general-biomarkers-and-neutrophils-to-interleukin-17-axis-activation-and-new-therapeutic-targets
#8
REVIEW
Feliciano Chanana Paquissi
Non-alcoholic fatty liver disease (NAFLD) is an increasing problem worldwide and is associated with negative outcomes such as cirrhosis, hepatocellular carcinoma, insulin resistance, diabetes, and cardiovascular events. Current evidence shows that the immune response has an important participation driving the initiation, maintenance, and progression of the disease. So, various immune imbalances, from cellular to cytokines levels, have been studied, either for better compression of the disease pathophysiology or as biomarkers for severity assessment and outcome prediction...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27889761/cilostazol-suppresses-il-23-production-in-human-dendritic-cells-via-an-ampk-dependent-pathway
#9
Quanxing Shi, Zhao Yin, Peilin Liu, Bei Zhao, Zhong Zhang, Shuai Mao, Tengfei Wei, Mengmeng Rao, Liguo Zhang, Shouli Wang
BACKGROUND/AIMS: Cilostazol has been previously demonstrated to inhibit IL-23 production in human synovial macrophages via a RhoA/ROCK-dependent pathway. However, whether cilostazol affects IL-23 production in human dendritic cells remains largely unknown. The present study was designed to investigate this question and elucidate the possible underlying mechanisms. METHODS: Human monocyte-derived dendritic cells (mo-DCs) were pretreated with or without cilostazol and then incubated with zymosan...
November 25, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27883001/psoriasis
#10
Jacqueline E Greb, Ari M Goldminz, James T Elder, Mark G Lebwohl, Dafna D Gladman, Jashin J Wu, Nehal N Mehta, Andrew Y Finlay, Alice B Gottlieb
Psoriasis is a chronic, immune-mediated disorder with cutaneous and systemic manifestations and substantial negative effects on patient quality of life. Psoriasis has a strong, albeit polygenic, genetic basis. Whereas approximately half of the accountable genetic effect of psoriasis maps to the major histocompatibility complex, >70 other loci have been identified, many of which implicate nuclear factor-κB, interferon signalling and the IL-23-IL-23 receptor axis. Psoriasis pathophysiology is characterized by abnormal keratinocyte proliferation and immune cell infiltration in the dermis and epidermis involving the innate and adaptive immune systems, with important roles for dendritic cells and T cells, among other cells...
November 24, 2016: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/27882014/expression-of-treg-th17-cells-as-well-as-related-cytokines-in-patients-with-inflammatory-bowel-disease
#11
Xianhui Geng, Jie Xue
OBJECTIVE: To investigate the expressions of peripheral regulatory T cells (Treg) and T helper cells (Th17) as well as related cytokines in peripheral blood of patients with inflammatory bowel disease (IBD). METHODS: One hundred four cases of IBD patients admitted in our hospital were selected for this study. One hundred cases of people receiving healthy physical examination were included in the control group in the corresponding period. The levels of CD4(+)CD25(+)Treg and Th17 subsets were analyzed in peripheral blood of two groups using flow cytometry...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27881862/rheumatoid-arthritis-il-23-assists-the-transition-from-autoimmunity-to-inflammatory-disease
#12
M Teresa Villanueva
No abstract text is available yet for this article.
November 24, 2016: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/27881076/clustering-of-disulfide-rich-peptides-provides-scaffolds-for-hit-discovery-by-phage-display-application-to-interleukin-23
#13
David T Barkan, Xiao-Li Cheng, Herodion Celino, Tran T Tran, Ashok Bhandari, Charles S Craik, Andrej Sali, Mark L Smythe
BACKGROUND: Disulfide-rich peptides (DRPs) are found throughout nature. They are suitable scaffolds for drug development due to their small cores, whose disulfide bonds impart extraordinary chemical and biological stability. A challenge in developing a DRP therapeutic is to engineer binding to a specific target. This challenge can be overcome by (i) sampling the large sequence space of a given scaffold through a phage display library and by (ii) panning multiple libraries encoding structurally distinct scaffolds...
November 23, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/27878721/evaluation-in-vitro-of-immunoregulatory-cytokines-secretion-by-dendritic-cells-in-mountain-skiers
#14
V S Evstratova, D B Nikityuk, N A Riger, N V Fedyanina, R A Khanferyan
In vitro production of immunoregulatory cytokines (IFN-α, IL-31, TNF-β, IL-17A, IL-7, IL-1RA, IL-1α, IL-10, IL-15, IL-21, IL-22, IL-23, IL-27, and IL-9) by dendritic cell cultures was compared in ski athletes and healthy donors. Effect of prolonged intense physical exercise on secretory activity of immune cells was investigated. In both groups, secretion of IL-1RA, IL-10, IL-1α by dendritic cells was revealed, but there were significant differences in IL-1RA, IL-1α content (p<0.05) with lower level in the group of athletes...
November 23, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27878497/role-of-tissue-specific-stem-and-progenitor-cells-in-the-regeneration-of-the-pancreas-and-testicular-tissue-in-diabetic-disorders
#15
E G Skurikhin, A V Pakhomova, N N Ermakova, O V Pershina, V A Krupin, E S Pan, A I Kudryashova, L A Ermolaeva, A M Dygai
Using the model of hypogonadism in C57Bl/6 male mice, we showed that injection of streptozotocin to newborn animals and high-fat diet induced serum IFN-γ and IL-17 elevation, glucose metabolism disturbances, insulin resistance, destructive changes of the Langerhans islets (deficit of PDX1(+)β cells), while the number of oligopotent β cell precursors (CD45(-)TER119(-)CD133(+)CD49f(low)) increased. Diabetes played the role of an inducer of testicular tissue inflammation (pan-hemopoietic cell infiltration, increase of IL-2, IL-17, and IL-23 content) and reproductive system disturbances in mice (decrease in free testosterone concentration, suppression of spermatogenesis, and infertility)...
November 23, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27873479/cytokine-and-chemokine-tear-levels-in-patients-with-uveitis
#16
Ester Carreño, Alejandro Portero, José M Herreras, Carmen García-Vázquez, Scott M Whitcup, Michael E Stern, Margarita Calonge, Amalia Enríquez-de-Salamanca
PURPOSE: To determine whether the levels of cytokines and chemokines in tears differ in uveitis patients and healthy subjects. METHODS: Ninety-two uveitis patients (mean age 46.4 years) and 157 control healthy subjects (mean age 49.5 years) were recruited. Subjects with ocular surface diseases such as dry eye were excluded from the study. Using multiplex bead-based assays, tears (4 μl) were analysed for the concentration of interleukin (IL)-1β, IL-1RA, IL-2, IL-6, IL-7, IL-8/CXCL8, IL-10, IL-12p70, IL-15, IL-17A, IL-23, epidermal growth factor (EGF), fractalkine/CX3CL1, interferon-γ, IP-10/CXCL10, monocyte chemo-attractant protein (MCP)-1/CCL2, tumour necrosis factor-α, vascular endothelial growth factor (VEGF), transforming growth factor (TGF)-β1, TGF-β2 and TGF-β3...
November 22, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27869179/interleukins-17-and-23-in-patients-with-gastric-neoplasms
#17
Wojciech Błogowski, Anna Madej-Michniewicz, Natalia Marczuk, Barbara Dołęgowska, Teresa Starzyńska
Recently there has been heightened interest in the potential significance of interleukin (IL)-17 and IL-23 in the development/progression of human malignancies. Here, we analyzed the systemic levels of these cytokines in 75 patients with different types of gastric neoplasms (carcinoma, gastrointestinal stromal tumors, neuroendocrine neoplasms, and lymphomas) and 42 healthy volunteers. We found that patients with all types of gastric neoplasms have significantly lower IL-23 levels. However, in comparison to the levels in healthy individuals, IL-17 concentrations were lower only in patients with types of gastric neoplasms other than carcinoma...
November 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27869103/th-17-cytokines-and-interstitial-lung-involvement-in-systemic-sclerosis
#18
G Rolla, E Fusaro, S Nicola, C Bucca, C Peroni, S Parisi, M C Cassinis, A Ferraris, F Angelino, E Heffler, M Boita, L Brussino
The two phenotypes of both limited and diffuse systemic sclerosis (SSc) have different forms of pulmonary involvement: pulmonary arterial hypertension (limited phenotype) or interstitial lung disease (ILD) (diffuse phenotype). We aimed to investigate whether Th17-related cytokines, as measured in exhaled breath condensate (EBC) and in serum were connected to ILD in diffuse SSc patients. We found that for both limited and diffuse SSc, the EBC levels of all cytokines and most of the cytokine serum levels were significantly higher in patients than in controls, while, the EBC levels of Th-17 cytokines and the serum levels of IL-10 and TNF-α were significantly higher in diffuse than in limited SSc...
November 21, 2016: Journal of Breath Research
https://www.readbyqxmd.com/read/27868150/clinical-efficiency-of-topical-calcipotriol-betamethasone-treatment-in-psoriasis-relies-on-suppression-of-the-inflammatory-tnf%C3%AE-il-23-il-17-axis
#19
Minna E Kubin, Nina Kokkonen, Riitta Palatsi, Päivi M Hägg, Juha P Väyrynen, Virpi Glumoff, Kirsi-Maria Haapasaari, Tiina Hurskainen, Kaisa Tasanen
The effects of topical calcipotriol/betamethasone combination therapy and betamethasone monotherapy on inflammatory T cell numbers and molecular markers were compared in patients with psoriasis. Combination therapy down-regulated the expression of tumour necrosis factor (TNF)-α, interleukin (IL)-23A, IL-17A, S100A7, CCL-20 and interferon (IFN)-γ in skin and TNF-α, IL-6, IL-23A, T-bet and IFN-γ in peripheral blood mononuclear cells (PBMCs). Betamethasone monotherapy had less effect. Expression of FoxP3 in both skin and PBMCs was down-regulated by calcipotriol/betamethasone, but not by betamethasone...
November 21, 2016: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/27867385/expanding-diversity-in-molecular-structures-and-functions-of-the-il-6-il-12-heterodimeric-cytokine-family
#20
REVIEW
Hideaki Hasegawa, Izuru Mizoguchi, Yukino Chiba, Mio Ohashi, Mingli Xu, Takayuki Yoshimoto
The interleukin (IL)-6/IL-12 family cytokines have pleiotropic functions and play critical roles in multiple immune responses. This cytokine family has very unique characteristics in that they comprise two distinct subunits forming a heterodimer and each cytokine and receptor subunit shares with each other. The members of this cytokine family are increasing; currently, there are more than six cytokines, including the tentatively named cytokines IL-Y (p28/p40), IL-12 (p35/p40), IL-23 (p19/p40), IL-27 [p28/Epstein-Barr virus-induced protein 3 (EBI3)], IL-35 (p35/EBI3), and IL-39 (p19/EBI3)...
2016: Frontiers in Immunology
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