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https://www.readbyqxmd.com/read/28489721/tear-cytokine-levels-in-contact-lens-wearers-with-acanthamoeba-keratitis
#1
Nicole Carnt, Vicente M Montanez, Grazyna Galatowicz, Neyme Veli, Virginia Calder
PURPOSE: To determine differences in key tear film cytokines between mild and severe cases of acanthamoeba keratitis (AK) and control contact lens (CL) wearers. METHODS: This was a prospective study of CL wearers with AK attending Moorfields Eye Hospital and control CL wearers from the Institute of Optometry, London. Basal tear specimens were collected by 10-μL capillary tubes (BLAUBRAND intraMark, Wertheim, Germany), and tear protein levels were measured with a multiplex magnetic bead array (Luminex 100; Luminex Corporation, Austin, TX) for cytokines interleukin (IL)-1β, IL-6, IL-8, IL-10, IL-17A, IL-17E, IL-17F, IL-22, and interferon gamma and with enzyme-linked immunosorbent assay (Abcam, Cambridge, United Kingdom) for CXCL2...
May 9, 2017: Cornea
https://www.readbyqxmd.com/read/28352347/one-mechanism-of-glucocorticoid-action-in-asthma-may-involve-the-inhibition-of-il-25-expression
#2
Wei Lu, Chao Lu, Chengming Zhang, Chenghao Zhang
While the mechanism of action of classic cytokines in asthma has received increased attention from researchers, certain non-classical cytokines, such as IL-25, also participate in this mechanism. The present study was performed to investigate the changes in IL-25 (IL-17E) mRNA and protein in bronchial asthma and to further characterize the mechanism underlying the action of glucocorticoids in asthma. A total of 96 specific pathogen-free BALB/c male mice were randomly divided into three normal groups (after the first allergization, after the second allergization and after excitation), three asthma groups (with the same three subgroups), a dexamethasone group and a budesonide group (n=12/group)...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28099429/vitamin-d-insufficiency-in-neonatal-hypoxic-ischemic-encephalopathy
#3
Danielle W Lowe, Bruce W Hollis, Carol L Wagner, Thomas Bass, David A Kaufman, Michael J Horgan, Laurence M Givelichian, Koravangatta Sankaran, Jerome Y Yager, Lakshmi D Katikaneni, Don Wiest, Dorothea Jenkins
BACKGROUND: Vitamin D has neuroprotective and immunomodulatory properties, and deficiency is associated with worse stroke outcomes. Little is known about effects of hypoxia-ischemia or hypothermia treatment on vitamin D status in neonates with hypoxic-ischemic encephalopathy (HIE). We hypothesized vitamin D metabolism would be dysregulated in neonatal HIE altering specific cytokines involved in Th17 activation, which might be mitigated by hypothermia. METHODS: We analyzed short term relationships between 25(OH) and 1,25(OH)2 vitamin D, vitamin D binding protein, and cytokines related to Th17 function in serum samples from a multicenter randomized controlled trial of hypothermia 33(0)C for 48h after HIE birth versus normothermia in 50 infants with moderate to severe HIE...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/27979026/il-17rb-granulocytes-are-associated-with-airflow-obstruction-in-asthma
#4
Lin Li, Nicholas W Lukacs, Matthew A Schaller, Bryan Petersen, Alan P Baptist
BACKGROUND: Interleukin (IL)-25 (IL-17E) is a proinflammatory cytokine that plays an important role in the T-helper type 2 cell pathway. The effects of IL-25 are mediated by its specific receptor, IL-17RB. Previous studies have defined an IL-17RB(+) granulocyte population known as type 2 myeloid (T2M) cells that express T-helper type 2 cell cytokines. The correlation of IL-17RB(+) granulocytes, T2M cells, and asthma parameters is unknown. OBJECTIVE: To investigate the relation of IL-17RB(+) granulocytes (and its subset, T2M cells) in patients with asthma with clinical parameters including spirometric values and the Asthma Control Test (ACT)...
December 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27930337/genetic-immunological-and-clinical-features-of-patients-with-bacterial-and-fungal-infections-due-to-inherited-il-17ra-deficiency
#5
Romain Lévy, Satoshi Okada, Vivien Béziat, Kunihiko Moriya, Caini Liu, Louis Yi Ann Chai, Mélanie Migaud, Fabian Hauck, Amein Al Ali, Cyril Cyrus, Chittibabu Vatte, Turkan Patiroglu, Ekrem Unal, Marie Ferneiny, Nobuyuki Hyakuna, Serdar Nepesov, Matias Oleastro, Aydan Ikinciogullari, Figen Dogu, Takaki Asano, Osamu Ohara, Ling Yun, Erika Della Mina, Didier Bronnimann, Yuval Itan, Florian Gothe, Jacinta Bustamante, Stéphanie Boisson-Dupuis, Natalia Tahuil, Caner Aytekin, Aicha Salhi, Saleh Al Muhsen, Masao Kobayashi, Julie Toubiana, Laurent Abel, Xiaoxia Li, Yildiz Camcioglu, Fatih Celmeli, Christoph Klein, Suzan A AlKhater, Jean-Laurent Casanova, Anne Puel
Chronic mucocutaneous candidiasis (CMC) is defined as recurrent or persistent infection of the skin, nails, and/or mucosae with commensal Candida species. The first genetic etiology of isolated CMC-autosomal recessive (AR) IL-17 receptor A (IL-17RA) deficiency-was reported in 2011, in a single patient. We report here 21 patients with complete AR IL-17RA deficiency, including this first patient. Each patient is homozygous for 1 of 12 different IL-17RA alleles, 8 of which create a premature stop codon upstream from the transmembrane domain and have been predicted and/or shown to prevent expression of the receptor on the surface of circulating leukocytes and dermal fibroblasts...
December 20, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27909985/il-25-blockade-inhibits-metastasis-in-breast-cancer
#6
Zhujun Jiang, Jingtao Chen, Xuemei Du, Hang Cheng, Xiaohu Wang, Chen Dong
Metastasis is the leading cause of death in breast cancer patients. However, the mechanisms underlying metastasis are not well understood and there is no effective treatment in the clinic. Here, we demonstrate that in MMTV-PyMT, a highly malignant spontaneous breast tumor model, IL-25 (also called IL-17E) was expressed by tumor-infiltrating CD4(+) T cells and macrophages. An IL-25 neutralization antibody, while not affecting primary tumor growth, substantially reduced lung metastasis. Inhibition of IL-25 resulted in decreased type 2 T cells and macrophages in the primary tumor microenvironments, both reported to enhance breast tumor invasion and subsequent metastasis to the lung...
March 2017: Protein & Cell
https://www.readbyqxmd.com/read/27871325/impact-of-placental-plasmodium-falciparum-malaria-infection-on-the-cameroonian-maternal-and-neonate-s-plasma-levels-of-some-cytokines-known-to-regulate-t-cells-differentiation-and-function
#7
Jean Claude Djontu, Stalone Siewe Siewe, Yolande Delphine Mpeke Edene, Benderli Christine Nana, Edwige Vanessa Chomga Foko, Jude Daiga Bigoga, Rose F G Leke, Rosette Megnekou
BACKGROUND: The impact of placental malaria (PM) infection on the expression profile of some cytokines known to regulate T cell differentiation and function and their influence on birth weight remain unclear. Moreover, there are no reports showing the relationship between PM and IL-27 or IL-28A. This study therefore sought to investigate whether placental P. falciparum infection alters the expression profile of the cytokines IL-28A, IL-27, IL-17E and IL-6 in mothers and their new born...
November 21, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27716046/immune-analysis-of-expression-of-il-17-relative-ligands-and-their-receptors-in-bladder-cancer-comparison-with-polyp-and-cystitis
#8
Yanbo Liu, Wanguo Yang, Lijing Zhao, Zuowen Liang, Weigao Shen, Qinlong Hou, Zhenjiang Wang, Jing Jiang, Sun Ying
BACKGROUND: Bladder cancer, cystitis and bladder polyp are the most common urinary system diseases all over the world. Our former research results show that IL-17A and IL-17 F contribute to the pathogenesis of benign prostatic hyperplasia (BPH) and prostate cancer (Pca) while IL-17E interacting with IL-17RB might have an anti-tumor effect. RESULTS: Using imunohistochemistry, we systemically compared immunoreactivity of ligands (IL-17A, E and F) and receptors (IL-17RA, IL-17RB and IL-17RC) of IL-17 family, infiltration of inflammatory cells and changes of structural cells (fibroblast cells, smooth muscle and vascular endothelial cells) in sections of bladder tissues from subjects with bladder cancer, cystitis and bladder polyp...
October 3, 2016: BMC Immunology
https://www.readbyqxmd.com/read/27594509/a-heterodimeric-cytokine-consisting-of-il-17a-and-il-17f-promotes-migration-and-capillary-like-tube-formation-of-human-vascular-endothelial-cells
#9
Muneo Numasaki, Hiroki Tsukamoto, Yoshihisa Tomioka, Yasuhiko Nishioka, Takashi Ohrui
The interleukin (IL)-17 family, consisting of six homodimeric cytokines IL-17A, IL-17B, IL-17C, IL-17D, IL-17E/IL-25, and IL-17F, mediates a variety of biological activities including regulation of chemokine secretion and angiogenesis. Among the IL-17 family members, IL-17A and IL-17E/IL-25 are angiogenesis stimulators, while IL-17B and IL-17F are angiogenesis inhibitors. Recently, IL-17A/F heterodimer, comprised of the IL-17A and IL-17F subunits, was found as another member of the IL-17 cytokine family. However, to date, it has been unknown whether IL-17A/F has biological actions to affect the angiogenesis-related vascular endothelial functions...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27591988/il17a-and-il17f-gene-polymorphism-association-with-psoriasis-risk-and-response-to-treatment-in-a-polish-population
#10
Monika Białecka, Roksana Ostasz, Mateusz Kurzawski, Adam Klimowicz, Honorata Fabiańczyk, Piotr Bojko, Violetta Dziedziejko, Krzysztof Safranow, Anna Machoy-Mokrzyńska, Marek Droździk
BACKGROUND: Recent studies have revealed the pivotal role of Th17 cells and interleukin-17 (IL-17) in plaque psoriasis development and treatment outcome. The IL-17 family consists of 6 structurally related cytokines (IL-17A, IL-17B, IL-17C, IL-17D, IL-17E, IL-17F), of which IL-17A and IL-17F mediate similar biological effects. OBJECTIVES: The aim of this study was to evaluate an association between the IL17A (-197G>A; rs2275913) and IL17F (rs763780: T>C; rs11465553: G>A; rs2397084: T>C) polymorphisms with psoriasis susceptibility as well as response to topical and combined topical with narrow-band ultraviolet B (NB-UVB) therapy in a Polish population...
2016: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/27589729/targeting-the-tumor-microenvironment-the-protumor-effects-of-il-17-related-to-cancer-type
#11
REVIEW
Joseph Fabre, Jerome Giustiniani, Christian Garbar, Frank Antonicelli, Yacine Merrouche, Armand Bensussan, Martine Bagot, Reem Al-Dacak
The inflammatory process contributes to immune tolerance as well as to tumor progression and metastasis. By releasing extracellular signals, cancerous cells constantly shape their surrounding microenvironment through their interactions with infiltrating immune cells, stromal cells and components of extracellular matrix. Recently, the pro-inflammatory interleukin 17 (IL-17)-producing T helper lymphocytes, the Th17 cells, and the IL-17/IL-17 receptor (IL-17R) axis gained special attention. The IL-17 family comprises at least six members, IL-17A, IL-17B, IL-17C, IL-17D, IL-17E (also called IL-25), and IL-17F...
August 30, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27462789/il-17e-synergizes-with-egf-and-confers-in-vitro-resistance-to-egfr-targeted-therapies-in-tnbc-cells
#12
Yacine Merrouche, Joseph Fabre, Herve Cure, Christian Garbar, Camille Fuselier, Jeremy Bastid, Frank Antonicelli, Reem Al-Daccak, Armand Bensussan, Jerome Giustiniani
Estrogen receptor-, progesterone receptor- and HER2-negative breast cancers, also known as triple-negative breast cancers (TNBCs), have poor prognoses and are refractory to current therapeutic agents, including epidermal growth factor receptor (EGFR) inhibitors. Resistance to anti-EGFR therapeutic agents is often associated with sustained kinase phosphorylation, which promotes EGFR activation and translocation to the nucleus and prevents these agents from acting on their targets. The mechanisms underlying this resistance have not been fully elucidated...
August 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27329229/keratinocyte-derived-il-17e-contributes-to-inflammation-in-psoriasis
#13
Luisa Senra, Romaine Stalder, David Alvarez Martinez, Carlo Chizzolini, Wolf-Henning Boehncke, Nicolò Costantino Brembilla
Psoriasis is a chronic inflammatory skin disorder effectively treated by blocking IL-17RA, a receptor chain used by several IL-17 family members, including IL-17E. Although IL-17A is critically involved in the pathogenesis of psoriasis, the contribution of IL-17E remains unknown. Here we show that IL-17E(+) cells are more abundant than IL-17A(+) cells in lesional psoriatic skin. IL-17E synthesis is increased in keratinocytes within psoriatic plaques, and macrophages having a mixed M1/M2 phenotype represent an important proportion of the IL-17E(+) cells infiltrating the dermis...
October 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27269887/il-17a-synergistically-stimulates-tnf-%C3%AE-induced-il-8-production-in-human-airway-epithelial-cells-a-potential-role-in-amplifying-airway-inflammation
#14
Kojiro Honda, Hiroo Wada, Masuo Nakamura, Keitaro Nakamoto, Toshiya Inui, Mitsuru Sada, Takashi Koide, Saori Takata, Takuma Yokoyama, Takeshi Saraya, Daisuke Kurai, Haruyuki Ishii, Hajime Goto, Hajime Takizawa
BACKGROUND: Recent reports have suggested an involvement of neutrophilic inflammation driven by interleukin (IL)-17 from Th17 cells, especially in severe, refractory asthma. It remains unknown about the possible interactions of this cytokine and other proinflammatory cytokines to direct neutrophilic airway inflammation. MATERIALS AND METHODS: We evaluated the effects of IL-17A, IL-17E, and IL-17F in combination with other stimuli such as tumor necrosis factor (TNF) -α on the production and expression of IL-8 in human bronchial epithelial cells...
May 2016: Experimental Lung Research
https://www.readbyqxmd.com/read/27028890/effect-of-gingival-inflammation-on-the-inflammatory-response-in-patients-with-idiopathic-uveitis
#15
Aliye Akcalı, Suzan Güven Yılmaz, David F Lappin, Sait Eğrilmez, Nurcan Buduneli
OBJECTIVES: This study aimed to investigate the levels of 11 oral species in plaque samples and cytokine levels in biofluid samples of patients with idiopathic uveitis (IU) and systemically healthy individuals (H) with or without gingival inflammation. MATERIAL & METHODS: Twenty-one patients with IU (n = 21), and 22 systemically healthy individuals (n = 22) were enrolled in the study. Clinical periodontal measurements were recorded. Cytokine levels in the biofluid samples were determined by ELISA...
August 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27000993/non-cscs-nourish-cscs-through-interleukin-17e-mediated-activation-of-nf-%C3%AE%C2%BAb-and-jak-stat3-signaling-in-human-hepatocellular-carcinoma
#16
Yongli Luo, Zhi Yang, Li Su, Juanjuan Shan, Huailong Xu, Yanmin Xu, Limei Liu, Wei Zhu, Xuejiao Chen, Chungang Liu, Jun Chen, Chao Yao, Feifei Cheng, Chengcheng Zhang, Qinghua Ma, Junjie Shen, Cheng Qian
Within the cancer stem cell (CSC) niche, non-CSCs play an indispensable role in facilitating a microenvironment capable of maintaining CSC properties. Non-CSCs contribute to not only the structure and topology of the tumor microenvironment but also the maintenance of the dynamic state of CSCs. Interleukin-17E (IL-17E/IL-25) is important in allergic inflammation and protection against parasitic infection. Moreover, it has also been demonstrated that IL-17E takes part in different cancers recently. Here, for the first time we demonstrate that discrepant expression of IL-17E and the IL-17 receptor B (IL-17RB) exists in Nanog positive (Nanog(Pos)) CSCs and Nanog negative (Nanog(Neg)) non-CSCs in hepatocellular carcinoma (HCC)...
June 1, 2016: Cancer Letters
https://www.readbyqxmd.com/read/26888221/the-effect-of-periodontal-scaling-and-root-polishing-on-serum-il-17e-concentrations-and-the-il-17a-il-17e-ratio
#17
C J Nile, D A Apatzidou, R A Awang, M P Riggio, D F Kinane, D F Lappin
OBJECTIVES: The serum IL-17A:IL-17E ratio has previously been demonstrated to be a clinical marker of periodontitis. The aim of this study was to determine the effects of non-surgical periodontal treatment on the serum IL-17A:IL-17E ratio. MATERIALS AND METHODS: Forty chronic periodontitis patients completed this study and received periodontal treatment comprising scaling and root planing plus ultrasonic debridement. Clinical data were recorded at baseline, 6 weeks (R1) after treatment completion (full-mouth or quadrant-scaling and root planing) and 25 weeks after baseline (R2)...
December 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/26721231/characterization-of-six-il-17-family-genes-in-miiuy-croaker-and-evolution-analysis-of-vertebrate-il-17-family
#18
Qiong Yang, Yuena Sun, Xiurong Su, Taiwu Li, Tianjun Xu
Interleukin-17 (IL-17) family is a cytokine family which is one of the major signaling molecules family involved in immunity. Six member of IL-17 family cytokines (IL-17A-F) were found in mammals. In fish, all IL-17 family genes except IL-17B and IL-17E have been isolated and identified. Besides, IL-17N is uniquely found from teleosts. IL-17 family genes are widely studied in mammals, but have not been widely reported in lower vertebrates. In this study, we identify six IL-17 family genes (IL-17A/F1-3, IL-17C, IL-17D, IL-17N) from miiuy croaker, using LPS and poly (I:C) to infect miiuy croaker in order to analyze the expression response to bacteria and virus and expression in normal tissues...
February 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/26699081/interleukin-il-25-pleiotropic-roles-in-asthma
#19
REVIEW
Xiujuan Yao, Yongchang Sun, Wei Wang, Ying Sun
IL-25, also named IL-17E, is a distinct member of the IL-17 cytokine family, which can promote and augment T helper type 2 (Th2) responses locally or systemically. Growing evidence from experimental and clinical studies indicates that the expression of IL-25 and its cognate receptor, IL-17RB/RA, is markedly upregulated in asthmatic conditions. It has also been found that IL-25 induces not only typical eosinophilic inflammation and airway hyperresponsiveness (AHR), but also airway remodelling, manifested by goblet cell hyperplasia, subepithelial collagen deposition and angiogenesis...
May 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/26547109/brodalumab-a-human-anti-interleukin-17-receptor-antibody-in-the-treatment-of-japanese-patients-with-moderate-to-severe-plaque-psoriasis-efficacy-and-safety-results-from-a-phase-ii-randomized-controlled-study
#20
RANDOMIZED CONTROLLED TRIAL
Hidemi Nakagawa, Hiroaki Niiro, Kenji Ootaki
BACKGROUND: Brodalumab (KHK4827 or AMG 827) is a human monoclonal antibody that binds to the human interleukin (IL)-17 receptor A and blocks the biological activities of IL-17A, IL-17F, IL-17A/F, and IL-17E also known as IL-25. A 12-week phase 2 trial in the USA, Europe, and other countries showed the good efficacy of brodalumab in treating patients with moderate to severe plaque psoriasis. However, with the exception of a phase 1 study, a clinical trial of brodalumab in psoriasis has not been undertaken in Japan...
January 2016: Journal of Dermatological Science
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