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https://www.readbyqxmd.com/read/28631887/thymic-stromal-lymphopoietin-is-expressed-in-human-corneal-stromal-cells-and-secreted-upon-protease-activated-receptor-1-activation
#1
Hongbo Yin, Yan Tian, Rongying Luo, Yingping Deng
Thymic stromal lymphopoietin (TSLP) is an interleukin-7 (IL-7) like cytokine that triggers inflammatory responses through activating dendritic cell. It is demonstrated to be involved in a number of disorders, including cancer, gastrointestinal diseases, and autoimmune diseases. In addition, TSLP is also found to be able to induce itch sensation by directly activating the itch sensory neurons. The expression of human TSLP is detected in various tissues such as heart, liver, testis, and prostate. In this study, we report that TSLP was expressed in the human corneal stromal cells, the highly specialized cells that are critical for the function of the cornea...
June 20, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28630020/transumbilical-multi-port-laparoscopic-pyeloplasty-versus-transumbilical-single-site-laparoscopic-pyeloplasty-for-ureteropelvic-junction-obstruction-in-children-a-retrospectively-comparative-study
#2
Dehong Liu, Huixia Zhou, Lifei Ma, Huawei Xie, Tian Tao, Hualin Cao, Xiaoguang Zhou, Xiaolong Luo, Shaojun Chen
INTRODUCTION: Laparoscopic pyeloplasty has achieved good cosmetic and functional outcomes. Both transumbilical single-site and transumbilical multi-port approaches are currently being used. No comparison of transumbilical single-site laparoscopic pyeloplasty (TSLP) and transumbilical multi-port laparoscopic pyeloplasty (TMLP) has been reported in the literature. OBJECTIVES: We present a retrospective comparison study to evaluate clinical outcomes of TSLP and TMLP for children with ureteropelvic junction obstruction (UPJO)...
June 3, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28629743/association-study-of-childhood-food-allergy-with-gwas-discovered-loci-of-atopic-dermatitis-and-eosinophilic-esophagitis
#3
Tomomitsu Hirota, Tsuguhisa Nakayama, Sakura Sato, Noriyuki Yanagida, Teruaki Matsui, Shiro Sugiura, Yuri Takaoka, Nobuyuki Hizawa, Shigeharu Fujieda, Akihiko Miyatake, Takashi Sasaki, Masayuki Amagai, Satoru Doi, Komei Ito, Motohiro Ebisawa, Mayumi Tamari
We found associations between FA and 14 GWAS-identified loci of AD and EoE: C11orf30/LRRC32, TMEM232/SLC25A46, TNFRSF6B/ZGPAT, OVOL1, KIF3A/IL13, GLB1, CCDC80, ZNF365, OR10A3/NLRP10, IL2/IL21, CLEC16A/DEXI, ZNF652, TSLP/WDR36 and STAT6. These findings improve our understanding of the complex heterogeneity of FA.
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28620098/cytokine-signaling-in-the-development-and-homeostasis-of-regulatory-t-cells
#4
Kevin H Toomer, Thomas R Malek
Cytokine signaling is indispensable for regulatory T-cell (Treg) development in the thymus, and also influences the homeostasis, phenotypic diversity, and function of Tregs in the periphery. Because Tregs are required for establishment and maintenance of immunological self-tolerance, investigating the role of cytokines in Treg biology carries therapeutic potential in the context of autoimmune disease. This review discusses the potent and diverse influences of interleukin (IL)-2 signaling on the Treg compartment, an area of knowledge that has led to the use of low-dose IL-2 as a therapy to reregulate autoaggressive immune responses...
June 15, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28617540/analysis-of-mechanism-of-pm2-5-and-house-dust-mite-antigen-der-p1-in-attack-stage-of-child-asthma
#5
Q Cheng, C-Y Yang, B-Y Guo, X Wei, M Liu
OBJECTIVE: We analyzed the influence of PM2.5 and house dust mite antigen Der p1 on the treatment of child asthma attack. PATIENTS AND METHODS: A total of 96 children with asthma attack were included into the study. The patients were randomly divided into the PM2.5 group, the house dust mite antigen group, the synergistic group and the control group (n= 24 in each group). RESULTS: The PM2.5 concentration in the PM2.5 group was twice higher than standard level (≤ the average value of PM2...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28615416/il-17-receptor-a-maintains-and-protects-the-skin-barrier-to-prevent-allergic-skin-inflammation
#6
Achilleas Floudas, Sean P Saunders, Tara Moran, Christian Schwartz, Emily Hams, Denise C Fitzgerald, James A Johnston, Graham S Ogg, Andrew N McKenzie, Patrick T Walsh, Padraic G Fallon
Atopic dermatitis (AD) is a common inflammatory skin disease affecting up to 20% of children and 3% of adults worldwide and is associated with dysregulation of the skin barrier. Although type 2 responses are implicated in AD, emerging evidence indicates a potential role for the IL-17A signaling axis in AD pathogenesis. In this study we show that in the filaggrin mutant mouse model of spontaneous AD, IL-17RA deficiency (Il17ra(-/-) ) resulted in severe exacerbation of skin inflammation. Interestingly, Il17ra(-/-) mice without the filaggrin mutation also developed spontaneous progressive skin inflammation with eosinophilia, as well as increased levels of thymic stromal lymphopoietin (TSLP) and IL-5 in the skin...
June 14, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28615347/thymic-stromallymphopoietin-induced-hotair-activation-promotes-endothelial-cellproliferation-and-migrationin-atherosclerosis
#7
Yudong Peng, Kai Meng, Lili Jiang, Yucheng Zhong, Yong Yang, Yin Lan, Qiuyang Zeng, Longxian Cheng
Endothelial cells (EC) injury is a major step for the pathological progression of atherosclerosis. Recent study demonstrated that thymic stromal lymphopoietin (TSLP) exerts a protective role in atherosclerosis. However, the effect of TSLP and the exact molecular mechanism involved in EC remains unknown. In the present study, we found that long noncoding RNA (lncRNA) HOTAIR was much lower in EC from atherosclerotic plaque. Functional assays showed that HOTAIR facilitated cell proliferation and migration, and suppressed apoptosis in EC...
June 14, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28613415/composition-and-functionality-of-the-intrahepatic-innate-lymphoid-cell-compartment-in-human-non-fibrotic-and-fibrotic-livers
#8
Marianne Forkel, Lena Berglin, Eliisa Kekäläinen, Adrian Carlsson, Emma Svedin, Jakob Michaëlsson, Maho Nagasawa, Jonas S Erjefält, Michiko Mori, Malin Flodström-Tullberg, Annika Bergquist, Hans-Gustaf Ljunggren, Magnus Westgren, Ulrik Lindforss, Danielle Friberg, Carl Jorns, Ewa Ellis, Niklas K Björkström, Jenny Mjösberg
Human innate lymphoid cells have been described to exist in different organs, with functional deregulation of these cells contributing to several disease states. Here, we performed the first detailed characterization of the phenotype, tissue-residency properties and functionality of ILC1s, ILC2s and ILC3s in the human adult and fetal liver. In addition, we investigated changes in the ILC compartment in liver fibrosis. A unique composition of tissue-resident ILCs was observed in non-fibrotic livers as compared with that in mucosal tissues, with NKp44(-) ILC3s accounting for the majority of total intrahepatic ILCs...
June 14, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28597545/cimifugin-suppresses-allergic-inflammation-by-reducing-epithelial-derived-initiative-key-factors-via-regulating-tight-junctions
#9
Xiaoyu Wang, Xiaoyan Jiang, Xi Yu, Hailiang Liu, Yu Tao, Guorong Jiang, Min Hong
Cimifugin is a bioactive component of Saposhnikovia divaricata, a Chinese herb for treating allergy. Our previous studies demonstrated that cimifugin inhibited allergic inflammation efficiently. This study aims to determine the mechanism of cimifugin on epithelial cells in allergic inflammation. Mice were sensitized and challenged with FITC to establish type 2 atopic dermatitis (AD) model. The initial stage of AD model, in which mice were just sensitized with FITC, was established in vivo and immortalized human epidermal (HaCaT) cells were utilized in vitro...
June 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28596293/the-uncoupling-of-autophagy-and-zinc-homeostasis-in-airway-epithelial-cells-as-a-fundamental-contributor-to-copd
#10
Eugene Roscioli, Hai Bac Tran, Hubertus Jersmann, Phan Tien Nguyen, Emily Hopkins, Susan Elizabeth Lester, Nigel Farrow, Peter D Zalewski, Paul N Reynolds, Sandra Hodge
The proper regulation of Zinc (Zn) trafficking proteins and the cellular distribution of Zn is critical for the maintenance of autophagic processes. However, there have been no studies which have examined Zn dyshomeostasis and the disease-related modulation of autophagy observed in the airways afflicted with COPD. We hypothesized that dysregulated autophagy in airway epithelial cells (AEC) is related to Zn dysregulation in cigarette smoke (CS)-induced COPD. We applied a human ex vivo air-liquid interface model, a murine model of smoke-exposure, and human lung tissues, and investigated Zn, ZIP1 and ZIP2 Zn-influx proteins, autophagy (Microtubule-associated 1A/1B-light chain-3 (LC3), Beclin-1), autophagic flux (Sequestosome), apoptosis (Bcl2; X-Linked Inhibitor of Apoptosis (XIAP), Poly (ADP)-ribose Polymerase (PARP)), and inflammation (TSLP, RANTES, and IL-1β)...
June 8, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28584210/atopic-dermatitis-like-graft-versus-host-disease-and-lichen-planus-like-graft-versus-host-disease-alterations-in-skin-barrier-function-and-related-molecules
#11
Kun Li, Zhang-Lei Mu, Xue Chen, Guang-Dong Wen, Yan Zhao, Jian-Zhong Zhang
BACKGROUND: Graft-versus-host disease (GVHD) is a common complication of hematopoietic stem cell transplantation. Skin barrier disruption could induce thymic stromal lymphopoietin (TSLP) expression, and the expression of TSLP was increased in lesions of atopic dermatitis (AD)-like GVHD and lichen planus (LP)-like GVHD. This study attempted to investigate the skin barrier function of AD-like GVHD and LP-like GVHD and possible mechanisms. METHODS: Eighteen AD-like GVHD patients, 12 LP-like GVHD patients, and 14 healthy volunteers were enrolled in this study...
June 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28583618/new-anti-eosinophil-drugs-for-asthma-and-copd-targeting-the-trait
#12
REVIEW
Elisabeth H Bel, Anneke Ten Brinke
Asthma and chronic obstructive airways disease (COPD) are prevalent chronic inflammatory airway diseases that are responsible for a large global disease burden. Both diseases are complex and heterogeneous, and are increasingly recognized as overlapping syndromes that may share similar pathophysiologic mechanisms and treatable traits. Eosinophilic airway inflammation is considered the most influential treatable trait of chronic airway disease, and over the last decade several monoclonal antibodies and small molecule therapies have been developed to target this trait...
June 2, 2017: Chest
https://www.readbyqxmd.com/read/28577221/concentration-dependent-effects-of-pm2-5-mass-on-expressions-of-adhesion-molecules-and-inflammatory-cytokines-in-nasal-mucosa-of-rats-with-allergic-rhinitis
#13
Ya-Lin Wang, Wei Gao, Yue Li, Yin-Feng Wang
Allergic rhinitis (AR) represents a clinical health issue affecting approximately 500 million people worldwide. This study aimed to explore the effects of airborne fine particulate matter (PM2.5) on the nasal mucosa of rats with AR. Seventy-five healthy male SD rats were included and randomly divided into the normal, model, low-concentration, middle-concentration, and high-concentration groups (15 rats each group). AR rat models were established using sensitized mixture and were stimulated using different concentrations of PM2...
June 2, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28562645/characterization-of-single-cell-derived-cultures-of-periosteal-progenitor-cells-to-ensure-the-cell-quality-for-clinical-application
#14
Stefan Stich, Alexander Loch, Su-Jin Park, Thomas Häupl, Jochen Ringe, Michael Sittinger
For clinical applications of cells and tissue engineering products it is of importance to characterize the quality of the used cells in detail. Progenitor cells from the periosteum are already routinely applied in the clinics for the regeneration of the maxillary bone. Periosteal cells have, in addition to their potential to differentiate into bone, the ability to develop into cartilage and fat. However, the question arises whether all cells isolated from periosteal biopsies are able to differentiate into all three tissue types, or whether there are subpopulations...
2017: PloS One
https://www.readbyqxmd.com/read/28552763/prevention-of-food-allergy-development-and-suppression-of-established-food-allergy-by-neutralization-of-tslp-il-25-and-il-33
#15
Marat V Khodoun, Sunil Tomar, Joel E Tocker, Yui Hsi Wang, Fred D Finkelman
BACKGROUND: Food allergy (FA) is an increasing problem that has no approved treatment. The pro-Th2 cytokines, IL-25, IL-33 and TSLP, are associated with FA and monoclonal antibodies (mAbs) to these cytokines are reported to suppress murine FA development. OBJECTIVE: Determine whether anti-pro-Th2 cytokine mAbs can block both FA maintenance and induction. METHODS: IgE-mediated FA was induced in BALB/c mice by oral gavage (o.g.) with medium chain triglycerides plus egg white (MCT/EW) and was characterized by increased numbers of lamina propria Th2 cells, mast cells shock, and eosinophils, shock (hypothermia), mast cell degranulation (increased serum MMCP1), increased serum IgG1 anti-EW and IgE, and increased IL-4 and IL-13 secretion following MCT/EW challenge...
May 25, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28545868/ameliorative-effect-of-atractylenolide-iii-in-the-mast-cell-proliferation-induced-by-tslp
#16
Myoung-Schook Yoou, Sun-Young Nam, Mu Hyun Jin, So Young Lee, Mi-Sun Kim, Seok Seon Roh, In Hwa Choi, Nariyah Woo, SeokWon Lim, Dong Hyun Kim, Jae-Bum Jang, Hyung-Min Kim, Hyun-Ja Jeong
Atractylenolide III (ATL-III) is an active compound of Atractylodes lancea, which has been widely used for the treatment of cancer. Cancer is closely connected with inflammation, and many anti-inflammatory agents are also used to treat cancer. We investigated the influence of ATL-III on thymic stromal lymphopoietin (TSLP)-induced inflammatory reactions. Pretreatment with ATL-III suppressed murine double minute 2 levels and promoted p53 levels in TSLP-treated human mast cell, HMC-1 cells. Mast cell proliferation increased by TSLP or IL-3 stimulation was significantly decreased by ATL-III pretreatment...
May 22, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28545810/thymic-stromal-lymphopoietin-and-apocynin-alter-the-expression-of-airway-remodeling-factors-in-human-rhinovirus-infected-cells
#17
Joanna Wieczfinska, Rafal Pawliczak
Airway remodeling is a characteristic of bronchial asthma. The process involves the expression of many genes, such as transforming growth factor-beta (TGF-β), tissue inhibitors of metalloproteinases (TIMP-1), MMP and arginase. Human rhinovirus (HRV) is known to cause asthma exacerbations, and viral infections might be involved in the development of airway remodeling. Therefore, the aim of this study was to determine the influence of HRV on the genes involved in airway remodeling and to examine the impact of thymic stromal lymphopoietin (TSLP) and contribution of oxidative stress on airway remodeling in the context of HRV infection...
August 2017: Immunobiology
https://www.readbyqxmd.com/read/28530223/tweak-mediates-inflammation-in-experimental-atopic-dermatitis-and-psoriasis
#18
Daniel Sidler, Ping Wu, Rana Herro, Meike Claus, Dennis Wolf, Yuko Kawakami, Toshiaki Kawakami, Linda Burkly, Michael Croft
Atopic dermatitis (AD) and psoriasis are driven by alternate type 2 and type 17 immune responses, but some proteins might be critical to both diseases. Here we show that a deficiency of the TNF superfamily molecule TWEAK (TNFSF12) in mice results in defective maintenance of AD-specific T helper type 2 (Th2) and psoriasis-specific Th17 cells in the skin, and impaired expression of disease-characteristic chemokines and cytokines, such as CCL17 and TSLP in AD, and CCL20 and IL-19 in psoriasis. The TWEAK receptor, Fn14, is upregulated in keratinocytes and dermal fibroblasts, and TWEAK induces these cytokines and chemokines alone and in synergy with the signature T helper cytokines of either disease, IL-13 and IL-17...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28518123/expression-of-exogenous-cytokine-in-patient-derived-xenografts-via-injection-with-a-cytokine-transduced-stromal-cell-line
#19
Jacqueline S Coats, Ineavely Baez, Cornelia Stoian, Terry-Ann M Milford, Xiaobing Zhang, Olivia L Francis, Ruijun Su, Kimberly J Payne
Patient-derived xenograft (PDX) mice are produced by transplanting human cells into immune deficient mice. These models are an important tool for studying the mechanisms of normal and malignant hematopoiesis and are the gold standard for identifying effective chemotherapies for many malignancies. PDX models are possible because many of the mouse cytokines also act on human cells. However, this is not the case for all cytokines, including many that are critical for studying normal and malignant hematopoiesis in human cells...
May 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28497916/emerging-endotypes-of-chronic-rhinosinusitis-and-its-application-to-precision-medicine
#20
REVIEW
Dae Woo Kim, Seong H Cho
Chronic rhinosinusitis (CRS) is a heterogeneous inflammatory disease with various underlying pathophysiologic mechanisms which translate to endotypes, in contrast to clinical phenotypes or histological subtypes. Defining endotypes can help clinicians predict disease prognosis, select subjects suitable for a specific therapy, and assess risks for comorbid conditions, including asthma. Therefore, with recent advancement of biologicals in CRS clinical trials, endotyping can be a breakthrough in treating recalcitrant CRS...
July 2017: Allergy, Asthma & Immunology Research
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