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https://www.readbyqxmd.com/read/28806280/integrated-analysis-of-biopsies-from-inflammatory-bowel-disease-patients-identifies-saa1-as-a-link-between-mucosal-microbes-with-th17-and-th22-cells
#1
Mei San Tang, Rowann Bowcutt, Jacqueline M Leung, Martin J Wolff, Uma M Gundra, David Hudesman, Lisa B Malter, Michael A Poles, Lea Ann Chen, Zhiheng Pei, Antonio G Neto, Wasif M Abidi, Thomas Ullman, Lloyd Mayer, Richard A Bonneau, Ilseung Cho, Pʼng Loke
BACKGROUND: Inflammatory bowel diseases (IBD) are believed to be driven by dysregulated interactions between the host and the gut microbiota. Our goal is to characterize and infer relationships between mucosal T cells, the host tissue environment, and microbial communities in patients with IBD who will serve as basis for mechanistic studies on human IBD. METHODS: We characterized mucosal CD4 T cells using flow cytometry, along with matching mucosal global gene expression and microbial communities data from 35 pinch biopsy samples from patients with IBD...
August 9, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28801611/pseudolaric-acid-b-attenuates-atopic-dermatitis-like-skin-lesions-by-inhibiting-interleukin-17-induced-inflammation
#2
Zhen Yang, Meilun Liu, Wei Wang, Yiteng Wang, Bo Cao, Ying Gao, Hong Chen, Tan Li
Pseudolaric acid B (PB), isolated from the extract of the root bark of Pseudolarix kaempferi Gordon, has been used as a traditional remedy for the treatment of skin diseases. However, the information of PB on atopic dermatitis (AD) remains largely unknown. In the present study, oral administration with PB improved the severity scores of AD-like skin lesions dose-dependently in NC/Nga mice through reducing serum IgE, pro-inflammatory cytokines, and the infiltration of inflammatory cells. In addition, PB significantly attenuated the levels of IL-17 and IL-22, and the proportion of Th17 cells in NC/Nga mice, as well as decreased IL-17-induced inflammation in RAW264...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28791026/decrease-of-markers-related-to-bone-erosion-in-serum-of-patients-with-musculoskeletal-disorders-after-serial-low-dose-radon-spa-therapy
#3
Aljona Cucu, Kateryna Shreder, Daniela Kraft, Paul Friedrich Rühle, Gerhart Klein, Gerhard Thiel, Benjamin Frey, Udo S Gaipl, Claudia Fournier
Musculoskeletal disorders (MSDs) are the most frequent cause of disability in Europe. Reduced mobility and quality of life of the patients are often associated with pain due to chronic inflammation. The inflammatory process, accompanied by a destruction of the cartilage and bone tissue, is discussed as a result of (A) the infiltration of immune cells into the joints, (B) an altered homeostasis of the joint cavity (synovium) with a critical role of bone remodeling cells, and (C) release of inflammatory factors including adipokines in the arthritic joint...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28775276/chemotherapy-treatment-induces-an-increase-of-autophagy-in-the-luminal-breast-cancer-cell-mcf7-but-not-in-the-triple-negative-mda-mb231
#4
Christian Garbar, Corinne Mascaux, Jérôme Giustiniani, Yacine Merrouche, Armand Bensussan
Autophagy is one of the chemotherapy resistance mechanisms in breast cancer. The aim of this study was to determine the level of recruitment of the autophagy pathway in the triple-negative breast cancer (TNBC) cell line MDA-MB231 compared with that in the control luminal breast cancer cell line MCF7 before and after treatment with chemotherapy drugs. Furthermore, we investigated the relationship between autophagy and EGFR, MUC1 and IL17-receptors as activators of autophagy. Immunohistochemistry was performed in cell culture blocks using LC3b, MUC1-C, EGFR, IL17A, IL17-RA and IL17-RB antibodies...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28771607/il-25-induced-activation-of-nasal-fibroblast-and-its-association-with-the-remodeling-of-chronic-rhinosinusitis-with-nasal-polyposis
#5
Soo-Kyoung Park, Yong-De Jin, Yeong-Kyu Park, Sun-Hee Yeon, Jun Xu, Rui-Ning Han, Ki-Sang Rha, Yong-Min Kim
BACKGROUND AND OBJECTIVE: Interleukin (IL)-25 has been shown to play an important role in the pathogenesis of chronic rhinosinusitis with nasal polyps. Nasal polyps are associated with chronic inflammation of the mucous membranes in the paranasal sinuses and are involved in extracellular matrix (ECM) accumulation. The aim of this study is to evaluate the effects of IL-25 on myofibroblast differentiation, ECM production and the expression of matrix metalloproteinases in nasal polyp derived fibroblasts (NPDFs) and to determine the molecular mechanism underlying these processes...
2017: PloS One
https://www.readbyqxmd.com/read/28755038/experimental-autoimmune-encephalomyelitis-ameliorated-by-passive-transfer-of-polymerase-1-silenced-mog35-55-lymphatic-node-cells-verification-of-a-novel-therapeutic-approach-in-multiple-sclerosis
#6
R Zilkha-Falb, M Gurevich, A Achiron
In the current study, we present an innovative concept based on the knowledge that enhancing naturally occurring biological mechanisms is effective in preventing neuronal damage and maintaining low disease activity in about 15% of multiple sclerosis (MS) patients presenting the benign type of MS. Recently, we have demonstrated that low disease activity in benign MS is associated with suppression of RNA polymerase 1 (POL1) pathway; therefore, targeting POL1 transcription machinery as a strategy for suppressing active forms of MS is suggested...
July 28, 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/28753995/the-role-of-th17-cells-in-the-pathogenesis-of-behcet-s-disease
#7
REVIEW
Yuki Nanke, Toru Yago, Shigeru Kotake
Behcet's disease (BD) is a polysymptomatic and recurrent systemic vasculitis with a chronic course and unknown cause. The pathogenesis of BD has not been fully elucidated; however, BD has been considered to be a typical Th1-mediated inflammatory disease, characterized by elevated levels of Th1 cytokines such as IFN-γ, IL-2, and TNF-α. Recently, some studies reported that Th17-associated cytokines were increased in BD; thus, Th17 cells and the IL17/IL23 pathway may play important roles in the pathogenesis of BD...
July 21, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28751821/immunomodulation-of-ra-patients-pbmc-with-a-multiepitope-peptide-derived-from-citrullinated-autoantigens
#8
Smadar Gertel, Gidi Karmon, Sivan Vainer, Ora Shovman, Martin Cornillet, Guy Serre, Yehuda Shoenfeld, Howard Amital
Citrullinated peptides are used for measuring anticitrullinated protein antibodies (ACPA) in rheumatoid arthritis (RA). Accumulation of citrullinated proteins in the inflamed synovium suggests that they may be good targets for inducing peripheral tolerance. In view of the multiplicity of citrullinated autoantigens described as ACPA targets, we generated a multiepitope citrullinated peptide (Cit-ME) from the sequences of major citrullinated autoantigens: filaggrin, β-fibrinogen, vimentin, and collagen type II...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28749414/adjuvantation-of-pulmonary-administered-influenza-vaccine-with-gpi-0100-primarily-stimulates-antibody-production-and-memory-b-cell-proliferation
#9
Harshad P Patil, José Herrera Rodriguez, Jacqueline de Vries-Idema, Tjarko Meijerhof, Henderik W Frijlink, Wouter L J Hinrichs, Anke Huckriede
Adjuvants are key components in vaccines, they help in reducing the required antigen dose but also modulate the phenotype of the induced immune response. We previously showed that GPI-0100, a saponin-derived adjuvant, enhances antigen-specific mucosal and systemic antibody responses to influenza subunit and whole inactivated influenza virus (WIV) vaccine administered via the pulmonary route. However, the impact of the GPI-0100 dose on immune stimulation and the immune mechanisms stimulated by GPI-0100 along with antigen are poorly understood...
July 27, 2017: Vaccines
https://www.readbyqxmd.com/read/28713365/what-s-normal-immune-profiling-of-human-milk-from-healthy-women-living-in-different-geographical-and-socioeconomic-settings
#10
Lorena Ruiz, Irene Espinosa-Martos, Cristina García-Carral, Susana Manzano, Michelle K McGuire, Courtney L Meehan, Mark A McGuire, Janet E Williams, James Foster, Daniel W Sellen, Elizabeth W Kamau-Mbuthia, Egidioh W Kamundia, Samwel Mbugua, Sophie E Moore, Linda J Kvist, Gloria E Otoo, Kimberly A Lackey, Katherine Flores, Rossina G Pareja, Lars Bode, Juan M Rodríguez
Human milk provides a very wide range of nutrients and bioactive components, including immune factors, human milk oligosaccharides, and a commensal microbiota. These factors are essential for interconnected processes including immunity programming and the development of a normal infant gastrointestinal microbiome. Newborn immune protection mostly relies on maternal immune factors provided through milk. However, studies dealing with an in-depth profiling of the different immune compounds present in human milk and with the assessment of their natural variation in healthy women from different populations are scarce...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28709839/fungal-immunomodulatory-protein-fve-could-modulate-airway-remodel-through-by-affect-il17-cytokine
#11
Yu-Tzu Lee, Chia-Ta Wu, Hai-Lun Sun, Jiunn-Liang Ko, Ko-Haung Lue
BACKGROUND: Asthma is one of the most common allergic diseases. Our previous studies have reported that FIP-fve in acute allergic mouse model can reduce inflammation, improve the balance of the Th1/Th2 system. However, the effects of reducing airway remodeling on FIP-fve is still unknown. OBJECTIVE: We hypothesized that orally administrated FIP-fve should be able to reduce airway remodeling in chronic allergic models. METHODS: The chronic asthma animal model was established with 6-8 weeks female Balb/c mice...
June 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28697061/elevation-of-circulating-th17-th22-cells-exposed-to-low-level-formaldehyde-and-its-relevance-to-formaldehyde-induced-occupational-allergic-contact-dermatitis
#12
Weihua Mai, Xingwei Liu, Guangxiao Su, Wenying Zhou, Ziping Wen, Dongqing Lu
OBJECTIVES: The aim of this study was to investigate the effects of formaldehyde exposure on Th17 and Th22 cells and its relevance to human occupational allergic contact dermatitis (OACD). METHODS: Circulating IL17-/IL22-secreting cells and serum IL17/IL22 levels in formaldehyde-exposed workers at Occupational Exposure Limit and nonexposed controls were assessed. RESULTS: The IL17 and IL22 cell population were detected in both CD3CD8 and CD3CD8 cells...
July 10, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28681115/-psoriatic-arthritis-drugs-of-the-near-future
#13
REVIEW
D Redelstein, M Fleck
The treatment of psoriatic arthritis (PsA) necessitates different and highly effective treatment strategies due to the diverse clinical manifestations. Drugs that exhibit efficacy for most of the musculoskeletal (e.g. arthritis, dactylitis, enthesitis and spondyloarthritis) and extra-articular manifestations (e.g. skin and nail lesions) are therefore of special interest. This review presents a selection of drugs for the treatment of PsA, which might be available within the (near) future. Based on an improved understanding of the pathopysiology of psoriasis as well as PsA, novel therapeutic approaches are under development...
July 5, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28664285/-psoriasis-vs-psoriatic-arthritis-similarities-and-differences-in-the-pathophysiology
#14
T Pap, C Sunderkötter
Psoriasis is a chronic inflammatory skin disease with genetic and (auto)immunological backgrounds. Up to 30% of patients with psoriasis also develop a mostly oligoarticular arthritis with spinal involvement that is termed psoriatic arthritis (PsA) and shows a specific joint pattern which differs from that of rheumatoid arthritis (RA). Both Psa and psoriasis share a common main axis, the interleukin (IL) 23/IL17 pathway as well as major overlaps in the functions of tumor necrosis factor alpha (TNFalpha)...
June 29, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28650331/expression-of-th17-and-cd4-cd25-t-regulatory-cells-in-peripheral-blood-of-acute-leukemia-patients-and-their-prognostic-significance
#15
Mingli Xiang, Li Guo, Yan Ma, Yi Li
To discuss the expression of T helper cell 17 (Th17) cells and CD4+ CD25+ Foxp3+ regulatory T cells (Treg) in peripheral blood (PB) of patients with acute leukemia (AL), and to explore the relationship between them and disease prognosis. 40 patients diagnosed with acute leukemia in The First Affiliated Hospital of Zhengzhou University from July 2012 to August 2014 were selected as the observation group. Meanwhile, 40 healthy people were taken as the control group. Flow Cytometry Method (FCM) was used to detect the level of Th17 cells and CD4(+) CD25(+) Foxp3(+) cells in peripheral blood of the two groups, and enzyme-linked immuno sorbent assay (ELISA) method was used to test the level of IL17 and TGF-β in peripheral blood of two groups; reverse transcription-polymerase chain reaction (RT-PCR) was adopted to analyze the mRNA levels of RORγT and Foxp3 in peripheral blood...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28617945/microrna-cluster-106a-363-is-involved-in-t-helper-17-th17-cell-differentiation
#16
Marc Kaestle, Sabine Bartel, Kerstin Geillinger-Kästle, Martin Irmler, Johannes Beckers, Bernhard Ryffel, Oliver Eickelberg, Susanne Krauss-Etschmann
T-helper cell 17 (Th17) mediated inflammation is associated with various diseases including autoimmune encephalitis, inflammatory bowel disease and lung diseases such as chronic obstructive pulmonary disease and asthma. Differentiation into distinct Th subtypes needs to be tightly regulated to ensure an immunological balance. As microRNAs (miRNAs) are critical regulators of signaling pathways, we aimed to identify specific miRNAs implicated in controlling Th17 differentiation. We were able to create a regulatory network model of murine Th cell differentiation by combining Affymetrix mRNA and miRNA arrays and in-silico analysis...
June 15, 2017: Immunology
https://www.readbyqxmd.com/read/28611508/correlation-between-il36%C3%AE-and-il17-and-activity-of-the-disease-in-selected-autoimmune-blistering-diseases
#17
Agnieszka Żebrowska, Anna Woźniacka, Katarzyna Juczyńska, Kamila Ociepa, Elżbieta Waszczykowska, Izabela Szymczak, Rafał Pawliczak
Dermatitis herpetiformis (DH), bullous pemphigoid (BP), and pemphigus vulgaris (PV) are autoimmune bullous skin conditions with eosinophilic and neutrophilic infiltrations. While cytokines are crucial for the affinity and activation of different leukocyte cells in the inflammation and blister formation, there are no studies concerning a role of IL-36. The goal of the study was to analyze whether interleukin 36 is involved in pathogenesis of DH, BP, and PV. And the second aim of the study was the estimation of correlation between Il-36 and IL-17 and titers of specific antibodies in these diseases...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28611056/igf1-potentiates-the-pro-inflammatory-response-in-human-peripheral-blood-mononuclear-cells-via-mapk
#18
Thalijn Liliana Catharina Wolters, Mihai Gheorghe Netea, Ad R Hermus, Jan Wa Smit, Romana T Netea-Maier
Introduction: Acromegaly is characterized by growth hormone (GH) and Insulin-like Growth Factor 1 (IGF1) excess and is accompanied by an increased cardiovascular diseases (CVD) risk. As innate immune responses are crucial in CVD development, and IGF1 is linked to subclinical inflammation, we hypothesized that GH/IGF1 excess contributes to CVD development via potentiating systemic inflammation. We aimed to assess the effects of GH/IGF1 on inflammatory cytokine production. Methods: Whole blood from acromegaly patients and healthy volunteers, and peripheral blood mononuclear cells (PBMC) from healthy volunteers were stimulated with Toll-like receptor (TLR) ligands, with or without adding GH or IGF1 (in PBMC)...
June 13, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28605874/the-pharmacological-efficacy-of-the-anti-il17-scfv-and-stnfr1-bispecific-fusion-protein-in-inflammation-mouse-stimulated-by-lps
#19
Yongbi Yang, Teng Zhang, Hongxue Cao, Dan Yu, Tong Zhang, Shaojuan Zhao, Xiaohui Jing, Liying Song, Yunye Liu, Ruixiang Che, Xin Liu, Deshan Li, Guiping Ren
Acute lung injury (ALI) is still a leading cause of morbidity and mortality in critically ill patients. Recently, our study found that a bispecific fusion protein treatment can ameliorate the lung injury induced by LPS. However, the molecular mechanisms which bispecific fusion protein ameliorates acute lung injury remain unclear. In this study, we found that the bispecific fusion protein treatment inhibited the nuclear transcription of NF-κB in confocal laser scanning fluorescence microscopy, the bispecific fusion protein exert protective effects in the cell model of ALI induced by lipopolysaccharide (LPS) via inhibiting the nuclear factor κB (NF-κB) signaling pathway and mediate inflammation...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28603222/bovine-embryo-induces-an-anti-inflammatory-response-in-uterine-epithelial-cells-and-immune-cells-in-vitro-possible-involvement-of-interferon-tau-as-an-intermediator
#20
Anup K Talukder, Mohamed S Yousef, Mohammad B Rashid, Kensuke Awai, Tomas J Acosta, Takashi Shimizu, Kiyoshi Okuda, Masayuki Shimada, Kazuhiko Imakawa, Akio Miyamoto
Recent observations suggest that the bovine uterus starts to react to the early embryo immediately after its arrival from the oviduct. The present study aimed to investigate the effect of the early developing embryo on the immune-related gene profile in bovine uterine epithelial cells (BUECs) in vitro, and to further examine the impact of conditioned media (CM), either from embryo-BUEC co-culture or embryo culture alone, on gene expression in peripheral blood mononuclear cells (PBMCs). First, BUECs were co-cultured with morulae (n = 10) for D5-D9 (D0 = IVF), and gene expression in BUECs was analyzed...
June 10, 2017: Journal of Reproduction and Development
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