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https://www.readbyqxmd.com/read/29792287/safety-tolerability-pharmacokinetics-and-pharmacodynamics-of-glpg1690-a-novel-autotaxin-inhibitor-to-treat-idiopathic-pulmonary-fibrosis-flora-a-phase-2a-randomised-placebo-controlled-trial
#1
Toby M Maher, Ellen M van der Aar, Olivier Van de Steen, Lisa Allamassey, Julie Desrivot, Sonia Dupont, Liesbeth Fagard, Paul Ford, Ann Fieuw, Wim Wuyts
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) causes irreversible loss of lung function. People with IPF have increased concentrations of autotaxin in lung tissue and lysophosphatidic acid (LPA) in bronchoalveolar lavage fluid and exhaled condensate. GLPG1690 (Galapagos, Mechelen, Belgium) is a novel, potent, selective autotaxin inhibitor with good oral exposure. We explored the effects of GLPG1690 in patients with IPF. METHODS: This was a randomised, double-blind, placebo-controlled phase 2a study done in 17 centres in Italy, Ukraine and the UK...
May 18, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29792201/cerium-dioxide-nanoparticles-exacerbate-house-dust-mite-induced-type-ii-airway-inflammation
#2
Kirsty Meldrum, Sarah B Robertson, Isabella Römer, Tim Marczylo, Lareb S N Dean, Andrew Rogers, Timothy W Gant, Rachel Smith, Terry D Tetley, Martin O Leonard
BACKGROUND: Nanomaterial inhalation represents a potential hazard for respiratory conditions such as asthma. Cerium dioxide nanoparticles (CeO2 NPs) have the ability to modify disease outcome but have not been investigated for their effect on models of asthma and inflammatory lung disease. The aim of this study was to examine the impact of CeO2 NPs in a house dust mite (HDM) induced murine model of asthma. RESULTS: Repeated intranasal instillation of CeO2 NPs in the presence of HDM caused the induction of a type II inflammatory response, characterised by increased bronchoalveolar lavage eosinophils, mast cells, total plasma IgE and goblet cell metaplasia...
May 23, 2018: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/29789582/the-concordance-between-upper-and-lower-respiratory-microbiota-in-children-with-mycoplasma-pneumoniae-pneumonia
#3
Wenkui Dai, Heping Wang, Qian Zhou, Xin Feng, Zhiwei Lu, Dongfang Li, Zhenyu Yang, Yanhong Liu, Yinhu Li, Gan Xie, Kunling Shen, Yonghong Yang, Yuejie Zheng, Shuaicheng Li
In recent years, the morbidity of Mycoplasma pneumoniae pneumonia (MPP) has dramatically increased in China. An increasing number of studies indicate that an imbalance in the respiratory microbiota is associated with respiratory infection. We selected 28 hospitalized patients infected with M. pneumoniae and 32 healthy children. Nasopharyngeal (NP) and oropharyngeal (OP) swabs were collected from healthy children, whereas NP, OP and bronchoalveolar lavage (BAL) specimens were collected from patients. Microbiota analysis was performed on all microbial samples using 16 S ribosomal RNA (16 S rRNA) sequencing...
May 23, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29789401/treatment-with-eucalyptol-mitigates-cigarette-smoke-induced-lung-injury-through-suppressing-icam-1-gene-expression
#4
Na Yu, Yi-Tian Sun, Xin-Ming Su, Miao He, Bing Dai, Jian Kang
Objectives : This study was conducted to investigate of the clinical significance of Eucalyptol in treating cigarette smoke-induced lung injury with the potential mechanism involved in the event. Methods : Rats were exposed to air (control) and cigarette smoke (smoking) after they were treated with Eucalyptol (260mg/kg) orally once a day for 12 weeks. Cell counts of bronchoalveolar lavage fluid (BALF), measurements of mean liner intercept (MLI) and mean alveolar number (MAN) and lung function test were executed in experimental animals...
May 22, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29787986/anti-inflammatory-effects-and-mechanism-of-the-total-flavonoids-from-artemisia-scoparia-waldst-et-kit-in-vitro-and-in-vivo
#5
Xue Wang, Hua Huang, Xueping Ma, Linlin Wang, Chong Liu, Biyu Hou, Shengqian Yang, Li Zhang, Guanhua Du
Artemisia scoparia Waldst. et Kit. is traditionally used for the treatment of jaundice urinary retention, itching wet sores, infectious icteric hepatitis and influenza in Uighur medicine. This study aimed to further illuminate the anti-inflammatory effects and mechanism of the total flavonoids (ASTF) from Artemisia scoparia Waldst. et Kit. In vitro, RAW 264.7 cells were pretreated with ASTF 1 h before stimulation with LPS (1 μg/mL) for 24 h. Then, the concentrations of NO, PGE2 , TNF-α, IL-6 and MCP-1 in the medium were determined...
May 19, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29785130/human-herpesvirus-6-pneumonitis-in-a-patient-with-follicular-lymphoma-following-immunochemotherapy-with-rituximab
#6
Saeko Kuwahara-Ota, Yoshiaki Chinen, Yoshimi Mizuno, Tomoko Takimoto-Shimomura, Yayoi Matsumura-Kimoto, Kazuna Tanba, Taku Tsukamoto, Shinsuke Mizutani, Yuji Shimura, Tsutomu Kobayashi, Shigeo Horiike, Junya Kuroda
Primary infection with human herpesvirus-6 (HHV-6) commonly occurs at an early age in children, most often at 3 years of age, and is associated with childhood diseases, such as exanthema subitum, hepatitis, febrile convulsions, or encephalitis. However, the virus occasionally reactivates from its latent state in immunosuppressed adults, especially post-transplant, resulting in serious disseminated, sometimes life-threatening end-organ complications. Herein, we report a case of a 68-year-old man with relapsed follicular lymphoma who developed HHV-6 pneumonitis...
2018: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29784852/plasma-and-intrapulmonary-concentrations-of-cefepime-and-zidebactam-following-intravenous-administration-of-wck-5222-to-healthy-adult-subjects
#7
Keith A Rodvold, Mark H Gotfried, Rakesh Chugh, Mugdha Gupta, Anasuya Patel, Rajesh Chavan, Ravindra Yeole, H David Friedland, Ashima Bhatia
WCK 5222 is a combination of cefepime and the novel beta-lactam enhancer zidebactam being developed for the treatment of serious Gram-negative infections. The objective of this study was to compare plasma (total), epithelial lining fluid (ELF), and alveolar macrophage (AM) concentrations of cefepime and zidebactam in healthy adult subjects. The WCK 5222 dosing regimen was 2 grams cefepime/1 gram zidebactam administered as a 1-hour intravenous infusion every 8 hours for a total of 7 doses. Subjects were assigned to one bronchoalveolar lavage (BAL) sampling time at 0...
May 21, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29784027/recommendations-for-application-of-haemophilus-influenzae-pcr-diagnostics-to-respiratory-specimens-for-children-living-in-northern-australia-a-retrospective-re-analysis
#8
Jemima Beissbarth, Michael J Binks, Robyn L Marsh, Anne B Chang, Amanda J Leach, Heidi C Smith-Vaughan
OBJECTIVE: Haemophilus haemolyticus can be misidentified as nontypeable Haemophilus influenzae (NTHi) due to their phenotypic similarities in microbiological culture. This study aimed to determine the prevalence of misidentified NTHi in respiratory specimens from children living in northern Australia. RESULTS: Among respiratory specimens collected in studies between 2010 and 2013, retrospective PCR analysis found that routine culture misidentified H. haemolyticus as NTHi in 0...
May 21, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29783820/-efficacy-of-bronchoalveolar-lavage-and-its-influence-factors-in-the-treatment-of-mycoplasma-pneumoniae-pneumonia-with-atelectasis
#9
M Yang, D H Yang, X Yang, Y S Wang, L Wu, Z M Chen
Objective: To investigate the efficacy of bronchoalveolar lavage (BAL) and its influence factors in the treatment of Mycoplasma pneumoniae pneumonia (MPP) with atelectasis. Methods: A retrospective case control study was performed on hospitalized MPP patients with atelectasis and received BAL in the Department of Pulmonology, Children's Hospital Zhejiang University School of Medicine from January 1, 2015 to July 31, 2017. Fever relieved in 48 hours and chest imaging improved in one week after BAL were considered effective...
May 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29783158/pirfenidone-ameliorates-lipopolysaccharide-induced-pulmonary-inflammation-and-fibrosis-by-blocking-nlrp3-inflammasome-activation
#10
Yi Li, Haitao Li, Shuai Liu, Pinhua Pan, Xiaoli Su, Hongyi Tan, Dongdong Wu, Lemeng Zhang, Chao Song, Minhui Dai, Qian Li, Zhi Mao, Yuan Long, Yongbin Hu, Chengping Hu
Acute respiratory distress syndrome(ARDS)is a severe clinical disorder characterized by its acute onset, diffuse alveolar damage, intractable hypoxemia, and non-cardiogenic pulmonary edema. Acute lung injury(ALI) can trigger persistent lung inflammation and fibrosis through activation of the NLRP3 inflammasome and subsequent secretion of mature IL-1β, suggesting that the NLRP3 inflammasome is a potential therapeutic target for ALI, for which new therapeutic approaches are needed. Our present study aims to assess whether pirfenidone,with anti-fibrotic and anti-inflammatory properties, can improve LPS-induced inflammation and fibrosis by inhibiting NLRP3 inflammasome activation...
May 18, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29781332/a-novel-phenolic-propanediamine-moiety-based-lung-targeting-therapy-for-asthma
#11
Jianbo Li, Yang Yang, Didi Wan, Youmei Peng, Jinjie Zhang
Asthma is one of the most prevalent chronic inflammatory diseases of lung. Current asthma therapy using inhaled corticosteroid often results in undesired treatment outcome due to poor compliance and drugs' lack of tissue specificity. N,N,N'-trimethyl-N'-(2-hydroxyl-3-methyl-5-123 Iiodobenzyl)-1,3-propanediamine (HIPD), a phenolic propanediamine derivative, has been used as an imaging agent for localized pulmonary diseases. Inspired by this, N,N,N'-trimethyl-N'-(4-hydroxyl-benzyl)-1,3-propanediamine (TPD), a new HIPD analog, was proposed as a lung-targeting ligand and covalently conjugated to an anti-inflammatory compound Rhein for asthma therapy...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29780629/performance-evaluation-of-detecting-circulating-tumor-cells-and-tumor-cells-in-bronchoalveolar-lavage-fluid-in-diagnosis-of-peripheral-lung-cancer
#12
Chang-Hao Zhong, Da Tong, Zi-Qing Zhou, Zhu-Quan Su, Yu-Long Luo, Jia Xing, Ya-Li Bai, Su-Jie Guo, Shi-Yue Li
Background: To evaluate the diagnostic performances of detecting circulating tumor cells (CTCs) and tumor cells in bronchoalveolar lavage fluid (BALF) for peripheral lung cancer. Methods: A total of 247 patients with lung cancer and 70 cases with benign lung disease were recruited in this study. Peripheral blood and BALF samples were collected, in which the tumor cells were enriched by negative immunomagnetic selection and detected by fluorescence in situ hybridization (FISH) of chromosome enumeration probe 8 (CEP8)...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29780024/the-neutrophil-mobilizing-cytokine-interleukin-26-in-the-airways-of-long-term-tobacco-smokers
#13
Karlhans Fru Che, Ellen Tufvesson, Sara Tengvall, Elisa Lappi-Blanco, Riitta Kaarteenaho, Bettina Levänen, Marie Ekberg, Annelie Brauner, Åsa M Wheelock, Leif Bjermer, C Magnus Sköld, Anders Lindén
Long-term tobacco smokers with chronic obstructive pulmonary disease (COPD) or chronic bronchitis display an excessive accumulation of neutrophils in the airways; an inflammation that responds poorly to established therapy. Thus, there is a need to identify new molecular targets for the development of effective therapy. Here, we hypothesized that the neutrophil-mobilizing cytokine interleukin (IL)-26 (IL-26) is involved in airway inflammation amongst long-term tobacco smokers with or without COPD, chronic bronchitis or colonization by pathogenic bacteria...
May 23, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29779781/tag-array-gene-chip-rapid-diagnosis-anti-tuberculosis-drug-resistance-in-pulmonary-tuberculosis-a-feasibility-study
#14
Wenjie Wu, Peng Cheng, Jingtong Lyu, Zehua Zhang, Jianzhong Xu
OBJECTIVE: We developed a Tag Array chip for detecting first- and second-line anti tuberculosis drug resistance in pulmonary tuberculosis and compared the analytical performance of the gene chip to that of phenotypic drug susceptibility testing (DST). METHODS: From November 2011 to April 2016.234 consecutive culture-confirmed, clinically and imaging diagnosed patients with pulmonary tuberculosis from Southwest Hospital, Chongqing were enrolled into the study. Specimens collected during sputum or bronchoalveolar lavage fluid from the pulmonary tuberculosis patients were subjected to M...
May 2018: Tuberculosis
https://www.readbyqxmd.com/read/29778524/posttranscriptional-regulation-of-interleukin-33-expression-by-microrna-200-in-bronchial-asthma
#15
Xin Tang, Feng Wu, Jinshuo Fan, Yang Jin, Jianjun Wang, Guanghai Yang
The importance of understanding how interleukin-33 (IL-33) is regulated (particularly by miRs) is critical in IL-33 biology, and evidence of this in asthma pathology is limited. MicroRNA profiling of cells isolated from bronchoalveolar lavage of 14 asthmatic patients and 11 healthy controls revealed miR-200b and miR-200c were significantly reduced in asthmatic patients compared with healthy controls. The reduction was validated in two independent models of allergen-induced allergic airway inflammation and further demonstrated to be inversely correlated with asthma severity, as well as increased IL-33 production in asthmatic patients...
April 25, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29778403/the-cf-sputum-induction-trial-cf-spit-to-assess-lower-airway-bacterial-sampling-in-young-children-with-cystic-fibrosis-a-prospective-internally-controlled-interventional-trial
#16
Katherine Ronchetti, Jo-Dee Tame, Christopher Paisey, Lena P Thia, Iolo Doull, Robin Howe, Eshwar Mahenthiralingam, Julian T Forton
BACKGROUND: Pathogen surveillance is challenging but crucial in children with cystic fibrosis-who are often non-productive of sputum even if actively coughing-because infection and lung disease begin early in life. The role of sputum induction as a diagnostic tool for infection has not previously been systematically addressed in young children with cystic fibrosis. We aimed to assess the pathogen yield from sputum induction compared with that from cough swab and single-lobe, two-lobe, and six-lobe bronchoalveolar lavage...
May 16, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29777096/the-first-isolate-of-candida-auris-in-china-clinical-and-biological-aspects
#17
Xiaojuan Wang, Jian Bing, Qiushi Zheng, Feifei Zhang, Jingbo Liu, Huizhen Yue, Li Tao, Han Du, Yina Wang, Hui Wang, Guanghua Huang
The emerging human fungal pathogen Candida auris has been recognized as a multidrug resistant species and is associated with high mortality. This fungus was first described in Japan in 2009 and has been reported in at least 18 countries on five continents. In this study, we report the first isolate of C. auris from the bronchoalveolar lavage fluid (BALF) of a hospitalized woman in China. Interestingly, this isolate is susceptible to all tested antifungals including amphotericin B, fluconazole, and caspofungin...
May 18, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29776812/preservation-with-%C3%AE-1-antitrypsin-improves-primary-graft-function-of-murine-lung-transplants
#18
Jessica Götzfried, Natalia F Smirnova, Carmela Morrone, Brice Korkmaz, Ali Önder Yildirim, Oliver Eickelberg, Dieter E Jenne
BACKGROUND: Vascular damage and primary graft dysfunction increase with prolonged preservation times of transplanted donor lungs. Hence, storage and conservation of donated lungs in protein-free, dextran-containing electrolyte solutions, like Perfadex, is limited to about 6 hours. We hypothesized that transplanted lungs are protected against neutrophil-mediated proteolytic damage by adding α1 -anti-trypsin (AAT), a highly abundant human plasma proteinase inhibitor, to Perfadex. METHODS: A realistic clinically oriented murine model of lung transplantation was used to simulate the ischemia-reperfusion process...
March 30, 2018: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29773665/hypersensitivity-pneumonitis-and-acute-respiratory-distress-syndrome-from-e-cigarette-use
#19
Casey G Sommerfeld, Daniel J Weiner, Andrew Nowalk, Allyson Larkin
Electronic cigarette (e-cigarette) use, or "vaping," is gaining widespread popularity as an alternative to conventional cigarettes among adolescents. Little is known of the health risks of e-cigarette use, especially in children and adolescents. We present a Case Report of a previously healthy 18-year-old woman who presented with dyspnea, cough, and pleuritic chest pain after e-cigarette use. She developed respiratory failure with hypoxia and was intubated, and ultimately met diagnostic criteria for acute respiratory distress syndrome...
May 17, 2018: Pediatrics
https://www.readbyqxmd.com/read/29772026/correction-bronchoalveolar-lavage-bal-cells-in-idiopathic-pulmonary-fibrosis-express-a-complex-pro-inflammatory-pro-repair-angiogenic-activation-pattern-likely-associated-with-macrophage-iron-accumulation
#20
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