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il 17 inhibition

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https://www.readbyqxmd.com/read/27926535/high-salt-diet-stimulates-gut-th17-response-and-exacerbates-tnbs-induced-colitis-in-mice
#1
Yingfeng Wei, Chong Lu, Jianing Chen, Guangying Cui, Lin Wang, Tianming Yu, Yue Yang, Wei Wu, Yulong Ding, Lanjuan Li, Toshimitsu Uede, Zhi Chen, Hongyan Diao
This study focuses on characterizing the effect of a high salt diet (HSD) on intestinal immunity and the risk of inflammatory bowel diseases (IBD). We found that mice on a HSD had an increased frequency of IL-17A producing cells in the intestinal lamina propria (LP) compared to mice on a normal diet (ND). Furthermore, most intestinal IL-17A producing cells were CD4+TCRβ+ cells. A HSD increased the LP T helper 17 (Th17) responses in both the small and large intestines but did not increase the Th17 response of other gut-associated lymphoid organ...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27921246/investigation-of-selenium-pretreatment-in-the-attenuation-of-lung-injury-in-rats-induced-by-fine-particulate-matters
#2
Jie Liu, Yingying Yang, Xuejiao Zeng, Liang Bo, Shuo Jiang, Xihao Du, Yuquan Xie, Rongfang Jiang, Jinzhuo Zhao, Weimin Song
Selenium (Se) is vital for health because of its antioxidative and anti-inflammation functions. The aim of this study was to determine if dietary selenium could inhibit the rat lung injury induced by ambient fine particulate matter (PM2.5). Sprague-Dawley rats were randomly allocated in seven groups (n = 8). The rats in PM2.5 exposure group were intratracheally instilled with 40 mg/kg of body weight (b.w.) of PM2.5 suspension. The rats in Se prevention groups were pretreated with 17.5, 35, or 70 μg/kg b...
December 5, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27920272/mcpip1-regnase-1-restricts-il-17a-and-il-17c-dependent-skin-inflammation
#3
Leticia Monin, Johann E Gudjonsson, Erin E Childs, Nilesh Amatya, Xianying Xing, Akash H Verma, Bianca M Coleman, Abhishek V Garg, Meaghan Killeen, Alicia Mathers, Nicole L Ward, Sarah L Gaffen
The IL-17 family cytokines IL-17A and IL-17C drive the pathogenesis of psoriatic skin inflammation, and anti-IL-17A Abs were recently approved to treat human psoriasis. Little is known about mechanisms that restrain IL-17 cytokine-mediated signaling, particularly IL-17C. In this article, we show that the endoribonuclease MCP-1-induced protein 1 (MCPIP1; also known as regnase-1) is markedly upregulated in human psoriatic skin lesions. Similarly, MCPIP1 was overexpressed in the imiquimod (IMQ)-driven mouse model of cutaneous inflammation...
December 5, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27914455/mediators-and-biomarkers-of-inflammation-in-meningitis-cytokine-and-peptidome-profiling-of-cerebrospinal-fluid
#4
A A Belogurov, O M Ivanova, Y A Lomakin, R H Ziganshin, M I Vaskina, V D Knorre, E A Klimova, A G Gabibov, V T Ivanov, V M Govorun
Differential diagnosis of bacterial and viral meningitis is an urgent problem of the modern clinical medicine. Early and accurate detection of meningitis etiology largely determines the strategy of its treatment and significantly increases the likelihood of a favorable outcome for the patient. In the present work, we analyzed the peptidome and cytokine profiles of cerebrospinal fluid (CSF) of 17 patients with meningitis of bacterial and viral etiology and of 20 neurologically healthy controls. In addition to the identified peptides (potential biomarkers), we found significant differences in the cytokine status of the CSF of the patients...
November 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27912911/hesperidin-ameliorates-immunological-outcome-and-reduces-neuroinflammation-in-the-mouse-model-of-multiple-sclerosis
#5
Dariush Haghmorad, Mohammad Bagher Mahmoudi, Zohreh Salehipour, Zoleikha Jalayer, Amir Abbas Momtazi Brojeni, Maryam Rastin, Parviz Kokhaei, Mahmoud Mahmoudi
Multiple sclerosis (MS) is the most abundant central nervous system (CNS) inflammatory disease, which is due to the reaction of auto reactive T cells with own myelin proteins, leading to physical disorder and paralysis among people suffering the disease. Hesperidin, a flavanone glycoside found abundantly in citrus fruits possesses a wide range of pharmacological properties including potential anti-inflammatory and anti-cancer effects. This study was designed to reveal the molecular and cellular mechanisms underlying the effect of hesperidin on MS alleviation...
November 26, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27909436/evaluation-of-anti-inflammatory-effects-of-steroids-and-arthritis-related-biotherapies-in-an-in-vitro-coculture-model-with-immune-cells-and-synoviocytes
#6
Mélissa Noack, Ndiémé Ndongo-Thiam, Pierre Miossec
BACKGROUND: During rheumatoid arthritis (RA), steroids and biotherapies are used alone and combined. Efficacy has been established in clinical trials but their differential effects at the cellular level are less documented. The aim was to study these cellular effects using an in vitro model with synoviocytes interacting with peripheral blood mononuclear cells (PBMC) to reproduce the interactions in the RA synovium. METHODS: Activated-PBMC were cocultured with RA synoviocytes during 48 h...
2016: Frontiers in Immunology
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
#7
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/27899095/effects-of-the-ayurved-siriraj-wattana-recipe-on-functional-and-phenotypic-characterization-of-cytokine-induced-killer-cells-and-dendritic-cells-in-vitro
#8
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/27897259/artemisinin-analogue-sm934-attenuate-collagen-induced-arthritis-by-suppressing-t-follicular-helper-cells-and-t-helper-17-cells
#9
Ze-Min Lin, Xiao-Qian Yang, Feng-Hua Zhu, Shi-Jun He, Wei Tang, Jian-Ping Zuo
SM934 is an artemisinin analogue with immunosuppressive properties and potent therapeutic activity against lupus-like diseases in autoimmune mice. In this report, the therapeutic efficacy and underlying mechanisms of SM934 on rheumatoid arthritis (RA) was investigated using collagen-induced arthritis (CIA) in DBA/1J mice. We demonstrated that SM934 treatment alleviate the severity of arthritis in CIA mice with established manifestations. The therapeutic benefits were associated with ameliorated joint swelling and reduced extent of bone erosion and destruction...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27893617/differential-role-of-b-cells-and-il-17-versus-ifn-%C3%AE-during-early-and-late-rejection-of-pig-islet-xenografts-in-mice
#10
Hee Kap Kang, Shusen Wang, Anil Dangi, Xiaomin Zhang, Amar Singh, Lei Zhang, James M Rosati, Wilma Suarez-Pinzon, Xuelian Deng, Xiaoyan Chen, Edward B Thorp, Bernhard J Hering, Stephen D Miller, Xunrong Luo
BACKGROUND: Xenogeneic islet transplantation is an emerging therapeutic option for diabetic patients. However, immunological tolerance to xenogeneic islets remains a challenge. METHODS: The current study used a pig-to-mouse discordant xenogeneic islet transplant model to examine anti-donor xenogeneic immune responses during early and late rejection, and to determine experimental therapeutic interventions that promote durable pig islet xenograft survival. RESULTS: We found that during early acute rejection of pig islet xenografts, the rejecting hosts exhibited a heavy graft infiltration with B220 B cells and a robust anti-pig antibody production...
November 23, 2016: Transplantation
https://www.readbyqxmd.com/read/27890794/target-regulation-of-pi3k-akt-mtor-pathway-by-cannabidiol-in-treatment-of-experimental-multiple-sclerosis
#11
Sabrina Giacoppo, Federica Pollastro, Gianpaolo Grassi, Placido Bramanti, Emanuela Mazzon
This study was aimed to investigate whether treatment with purified cannabidiol (CBD) may counteract the development of experimental multiple sclerosis (MS), by targeting the PI3K/Akt/mTOR pathway. Although the PI3K/Akt/mTOR pathway was found to be activated by cannabinoids in several immune and non-immune cells, currently, there is no data about the effects of CBD in the PI3K/Akt/mTOR activity in MS. Experimental Autoimmune Encephalomyelitis (EAE), the most common model of MS, was induced in C57BL/6 mice by immunization with myelin oligodendroglial glycoprotein peptide (MOG)35-55...
November 25, 2016: Fitoterapia
https://www.readbyqxmd.com/read/27883186/lactate-at-the-crossroads-of-metabolism-inflammation-and-autoimmunity
#12
Valentina Pucino, Michele Bombardieri, Costantino Pitzalis, Claudio Mauro
For a long time after its discovery at the beginning of the 20th century, lactate was considered a waste product of cellular metabolism. Starting in the early '90s, however, lactate has begun to be recognised as an active molecule capable of modulating the immune response. Inflammatory sites, including in rheumatoid arthritis synovitis, are characterised by the accumulation of lactate, which is partly responsible for the establishment of an acidic environment. We have recently reported that T cells sense lactate via the expression of specific transporters, leading to inhibition of their motility...
November 24, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27883019/17-oxo-dha-displays-additive-anti-inflammatory-effects-with-fluticasone-propionate-and-inhibits-the-nlrp3-inflammasome
#13
Chiara Cipollina, Serena Di Vincenzo, Liboria Siena, Caterina Di Sano, Mark Gjomarkaj, Elisabetta Pace
Chronic obstructive pulmonary disease (COPD) is characterized by reduced lung function associated with increased local and systemic inflammatory markers, such as TNFα and IL-1β. Glucocorticoids are used to treat this chronic disease, however their efficacy is low and new drugs are very much required. 17-oxo-DHA is a cyclooxygenase-2-dependent, electrophilic, α,β-unsaturated keto-derivative of docosahexaenoic acid with anti-inflammatory properties. We evaluated the action of 17-oxo-DHA alone or in combination with the steroid fluticasone propionate (FP) in peripheral blood mononuclear cells (PBMCs) from COPD patients and healthy individuals exposed to lipopolysaccharide...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27881147/p53-predominantly-regulates-il-6-production-and-suppresses-synovial-inflammation-in-fibroblast-like-synoviocytes-and-adjuvant-induced-arthritis
#14
Ting Zhang, Huihua Li, Juan Shi, Sha Li, Muyuan Li, Lei Zhang, Leting Zheng, Dexian Zheng, Fulin Tang, Xuan Zhang, Fengchun Zhang, Xin You
BACKGROUND: Dominant-negative somatic mutations of p53 has been identified in the synovium of patients with rheumatoid arthritis (RA), in which interleukin (IL)-6 has been established as a pivotal inflammatory cytokine. The aim of this study was to clarify the significance of p53 in the longstanding inflammation in RA by modulating IL-6. METHODS: We established adjuvant-induced arthritis (AIA) in Lewis rats and treated them with p53 activator, and then analyzed the histopathology of the synovium and IL-6 expression...
November 24, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27878687/aptamers-against-pro-and-anti-inflammatory-cytokines-a-review
#15
REVIEW
Maryam Boshtam, Seddigheh Asgary, Shirin Kouhpayeh, Laleh Shariati, Hossein Khanahmad
Inflammatory disorders result from continuous inflammation in injured sites. Many molecules are involved in this process; the inhibition of which could prevent the inflammation. Chemokines are a group of these biological mediators which are categorized into pro-, anti-, and pro-/anti-inflammatory. Thus, targeting these essential molecules can be an effective way for prevention and control of inflammatory diseases. Various therapeutic agents have been developed for primary and secondary prevention of these disorders, but each of them has its own limitations...
November 23, 2016: Inflammation
https://www.readbyqxmd.com/read/27872514/the-role-of-interleukin-17-in-lung-cancer
#16
REVIEW
Feng Wu, Juanjuan Xu, Qi Huang, Jieli Han, Limin Duan, Jinshuo Fan, Zhilei Lv, Mengfei Guo, Guorong Hu, Lian Chen, Shuai Zhang, Xiaonan Tao, Wanli Ma, Yang Jin
Tumour-associated inflammation is a hallmark of malignant carcinomas, and lung cancer is a typical inflammation-associated carcinoma. Interleukin-17 (IL-17) is an important inflammatory cytokine that plays an important role in chronic inflammatory and autoimmune diseases and in inflammation-associated tumours. Numerous studies have shown that IL-17 directly or indirectly promotes tumour angiogenesis and cell proliferation and that it inhibits apoptosis via the activation of inflammatory signalling pathways...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27867385/expanding-diversity-in-molecular-structures-and-functions-of-the-il-6-il-12-heterodimeric-cytokine-family
#17
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
https://www.readbyqxmd.com/read/27865564/pneumococcal-pep27-mutant-immunization-stimulates-cytokine-secretion-and-confers-long-term-immunity-with-a-wide-range-of-protection-including-against-non-typeable-strains
#18
Gyu-Lee Kim, Sang-Yoon Choi, Seung-Han Seon, Seungyeop Lee, Sang-Sang Park, Joon Young Song, David E Briles, Dong-Kwon Rhee
Streptococcus pneumoniae is comprised of more than 90 serotypes and is the major causative agent of pneumonia, which results in over 1million deaths worldwide every year. Currently available injectable vaccines can protect against only 13-23 serotypes, and result in decrease of colonization against vaccine serotypes. However, they are neither effective for inhibition of non-vaccine serotypes colonization nor inhibition against initial colonization in the nasopharynx against various serotypes. Thus, development of a vaccine conveying broader protection at the colonization stage is required...
December 12, 2016: Vaccine
https://www.readbyqxmd.com/read/27863335/il-6-trans-signaling-is-another-pathway-to-upregulate-osteopontin
#19
Takaaki Uchibori, Kazuyuki Matsuda, Takahiro Shimodaira, Mitsutoshi Sugano, Takeshi Uehara, Takayuki Honda
BACKGROUND: Osteopontin (OPN) is a pro-fibrotic molecule upregulated by pro-inflammatory cytokines. Interleukin (IL)-6 functions downstream of IL-1β and has unique signal pathways: classic- or trans-signaling via membrane-bound IL-6R or soluble IL-6R (sIL-6R). We investigated the effect of IL-6 trans-signaling on the upregulation of OPN. METHODS: We used THP-1 cells and THP-1 macrophages differentiated from THP-1 cells using phorbol 12-myristate 13-acetate (PMA)...
November 15, 2016: Cytokine
https://www.readbyqxmd.com/read/27863299/study-on-the-physicochemical-properties-and-anti-inflammatory-effects-of-paeonol-in-rats-with-tnbs-induced-ulcerative-colitis
#20
Shi-Yu Zong, Yi-Qiong Pu, Ben-Liang Xu, Tong Zhang, Bing Wang
Paeonol, an active component from Paeonia suffruticosa Andr., has a variety of biological activities, such as vascular endothelial cell protection, anti-oxidation, and anti-inflammation. The aim of this study was to investigate the basic physicochemical properties of paeonol, including solubility, oil-water partition coefficient, and permeability. Then evaluated the anti-inflammatory effects of paeonol were evaluated on 2,4,6-trinitrobenzenesulfonic acid-induced ulcerative colitis in rats. The rats were divided randomly into 6 groups, namely, normal, model, paeonol-treated (100, 200, and 400mg/kg), and positive...
November 15, 2016: International Immunopharmacology
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