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https://www.readbyqxmd.com/read/27581546/effect-of-memory-cd4-t-cells-signal-transducer-and-activator-of-transcription-stats-functional-shift-on-cytokine-releasing-properties-in-asthma
#1
Zhihong Chen, Jue Pan, Yi Jia, Dandan Li, Zhihui Min, Xiaoqiong Su, Honglei Yuan, Geng Shen, Shengxuan Cao, Lei Zhu, Xiangdong Wang
BACKGROUND: Recent data have demonstrated that long-lived memory T cells are present in the human lung and can play significant roles in the pathogenesis of specific allergic and autoimmune diseases. However, most evidence has been obtained from mouse studies, and the potential roles of memory T cells in human allergic diseases, such as asthma, remain largely unknown. METHODS: Thirty-three asthmatics, 26 chronic obstructive pulmonary disease (COPD) patients, and 22 healthy volunteers were enrolled in this study...
August 31, 2016: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/26727464/characterization-and-quantification-of-innate-lymphoid-cell-subsets-in-human-lung
#2
Katrien C De Grove, Sharen Provoost, Fien M Verhamme, Ken R Bracke, Guy F Joos, Tania Maes, Guy G Brusselle
BACKGROUND: Innate lymphoid cells (ILC) are a new family of innate immune cells that have emerged as important regulators of tissue homeostasis and inflammation. However, limited data are available concerning the relative abundance and characteristics of ILC in the human lung. METHODS: The aim of this study was to characterize and enumerate the different ILC subsets in human lung by multi-color flow cytometry. RESULTS: Within the CD45+ Lin- CD127+ pulmonary ILC population, we identified group 1 (ILC1), group 2 (ILC2) and group 3 (ILC3) innate lymphoid cells using specific surface markers (i...
2016: PloS One
https://www.readbyqxmd.com/read/25935115/computational-analysis-of-crth2-receptor-antagonist-a-ligand-based-comfa-and-comsia-approach
#3
Sathya Babu, Honglae Sohn, Thirumurthy Madhavan
CRTh2 receptor is an important mediator of inflammatory effects and has attracted much attention as a therapeutic target for the treatment of conditions such as asthma, COPD, allergic rhinitis and atopic dermatitis. In pursuit of better CRTh2 receptor antagonist agents, 3D-QSAR studies were performed on a series of 2-(2-(benzylthio)-1H-benzo[d]imidazol-1-yl) acetic acids. There is no crystal structure information available on this protein; hence in this work, ligand-based comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) were performed by atom by atom matching alignment using systematic search and simulated annealing methods...
June 2015: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/24900341/benzodiazepinone-derivatives-as-crth2-antagonists
#4
Jiwen Jim Liu, Alan C Cheng, H Lucy Tang, Julio C Medina
Multiple CRTH2 antagonists are currently evaluated in human clinical trials for asthma and chronic obstructive pulmonary disease (COPD). During our lead optimization for CRTH2 antagonists, an observation of an intramolecular hydrogen bond in ortho-phenylsulfonamido benzophenone derivatives led to the design and synthesis of conformationally constrained benzodiazepinones as potent CRTH2 antagonists. The benzodiazepinones are 2 orders of magnitude more potent than the original flexible bisaryl ethers in our binding assay...
July 14, 2011: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/24490845/discontinued-drug-projects-in-the-respiratory-therapeutic-area-during-2012
#5
REVIEW
Noel J C Snell
During 2012, a number of respiratory drug projects and individual agents were discontinued, for a variety of reasons, including toxicity, lack of efficacy, commercial re-evaluation and change in corporate focus. These included three antagonists of chemoattractant receptor-homologous molecule expressed on Th2 cells (CRTh2), which had been evaluated in allergic respiratory disease and (in one case) chronic obstructive pulmonary disease (COPD), and other agents intended for the treatment of asthma, COPD, pulmonary hypertension and lung fibrosis...
March 2014: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/23827726/efficacy-and-safety-of-azd1981-a-crth2-receptor-antagonist-in-patients-with-moderate-to-severe-copd
#6
RANDOMIZED CONTROLLED TRIAL
Noel Snell, Martyn Foster, Jørgen Vestbo
OBJECTIVE: To evaluate the efficacy and tolerability of the selective CRTh2 (DP2) receptor antagonist AZD1981 compared with placebo in patients with moderate to severe COPD. METHODS: In this multicentre, randomised, double-blind, parallel-group, phase IIa study (ClinicalTrials.gov identifier: NCT00690482) patients with moderate to severe COPD received either AZD1981 1000 mg twice daily or matching placebo for 4 weeks. Inhaled terbutaline was used as-needed as reliever medication throughout...
November 2013: Respiratory Medicine
https://www.readbyqxmd.com/read/20946089/novel-crth2-antagonists-a-review-of-patents-from-2006-to-2009
#7
REVIEW
Trond Ulven, Evi Kostenis
IMPORTANCE OF THE FIELD: The receptor CRTH2 (also known as DP₂) is an important mediator of the inflammatory effects of prostaglandin D₂ and has attracted much attention as a therapeutic target for the treatment of conditions such as asthma, COPD, allergic rhinitis and atopic dermatitis. AREAS COVERED IN THIS REVIEW: The validation of CRTH2 as a therapeutic target and the early antagonists are summarized, CRTH2 antagonists published in the patent literature from 2006 to 2009 are comprehensively covered and a general update on the recent progress in the development of CRTH2 antagonists for the treatment of inflammatory diseases is provided...
November 2010: Expert Opinion on Therapeutic Patents
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