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https://www.readbyqxmd.com/read/28526803/acute-exacerbations-of-idiopathic-pulmonary-fibrosis-tough-to-define-tougher-to-manage
#1
EDITORIAL
Nathan Hambly, Gerard Cox, Martin Kolb
No abstract text is available yet for this article.
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28526798/acute-exacerbations-in-the-inpulsis-trials-of-nintedanib-in-idiopathic-pulmonary-fibrosis
#2
Harold R Collard, Luca Richeldi, Dong Soon Kim, Hiroyuki Taniguchi, Inga Tschoepe, Maurizio Luisetti, Jesse Roman, Gregory Tino, Rozsa Schlenker-Herceg, Christoph Hallmann, Roland M du Bois
Time to first investigator-reported acute exacerbation was a key secondary end-point in the INPULSIS trials of nintedanib in patients with idiopathic pulmonary fibrosis (IPF).We used the INPULSIS trial data to investigate risk factors for acute exacerbation of IPF and to explore the impact of nintedanib on risk and outcome of investigator-reported and adjudicated confirmed/suspected acute exacerbations. Mortality following these events and events adjudicated as not acute exacerbations was analysed using the log rank test...
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28526615/lung-inflammation-after-bleomycin-treatment-in-mice-selection-of-an-accurate-normalization-strategy-for-gene-expression-analysis-in-an-ex-vivo-and-in-vitro-model
#3
Veronica Della Latta, Manuela Cabiati, Silvia Burchielli, Giada Frenzilli, Margherita Bernardeschi, Antonella Cecchettini, Federica Viglione, Maria-Aurora Morales, Silvia Del Ry
Pulmonary fibrosis (PF) is the most common and aggressive interstitial lung disease, characterized by a patchy development of fibrosis leading to progressive destruction of the normal lung architecture which is preceded by an inflammatory process. Gene expression studies are important to understand the development of PF but the accuracy and reproducibility of Real-Time PCR depend on appropriate normalization strategies. This study aimed to analyze the expression variability of eight commonly used reference genes during the initial inflammatory phase of bleomycin-induced PF in a mouse model and to verify whether the selected reference genes could be applied to an in-vitro model of BLM-treated primary murine lung fibroblasts...
May 16, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28524034/-value-of-preoperative-pulmonary-artery-diastolic-pressure-on-predicting-primary-graft-dysfunction-after-bilateral-lung-transplantation-for-patients-with-idiopathic-pulmonary-fibrosis
#4
Feng Zhang, Hongyang Xu, Shuyun Jiang, Jiaqiong Li, Shunmei Lu, Dapeng Wang, Zhidong Zang, Hong Pan, Jingyu Chen
OBJECTIVE: To analyze the value of the potential risk factors on predicting primary graft dysfunction (PGD) after bilateral lung transplantation for the patients with idiopathic pulmonary fibrosis (IPF). METHODS: A retrospective study was conducted. Fifty-eight patients with IPF who underwent the bilateral lung transplantation admitted to Wuxi People's Hospital Affiliated to Nanjing Medical University from June 2014 to March 2017 were enrolled. The grade 3 PGD happened within 72 hours after transplantation was taken as the outcome event, and these patients were divided into PGD and non-PGD groups...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28524028/-efficacy-of-20-albumin-infusion-on-coagulation-and-pulmonary-fibrosis-in-rabbits-with-ards
#5
Ling Yao, Bo Liu, Feng Shen
OBJECTIVE: To observe the efficacy of 20% albumin infusion on coagulation and pulmonary fibrosis in rabbits with acute respiratory distress syndrome (ARDS) induced by two-hit of intravenous infusion of oleid acid (OA) and lipopolysaccharide (LPS). METHODS: Forty healthy adult male rabbits were randomly divided into five groups, namely sham group, model group, albumin group (20% albumin), saline group (0.9% sodium chloride injection) and Ringer group (lactate Ringer solution), with 8 rabbits in each group...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28522797/protective-effects-of-hydrogen-rich-saline-against-lipopolysaccharide-induced-alveolar-epithelial-to-mesenchymal-transition-and-pulmonary-fibrosis
#6
Wen-Wen Dong, Yun-Qian Zhang, Xiao-Yan Zhu, Yan-Fei Mao, Xue-Jun Sun, Yu-Jian Liu, Lai Jiang
BACKGROUND Fibrotic change is one of the important reasons for the poor prognosis of patients with acute respiratory distress syndrome (ARDS). The present study investigated the effects of hydrogen-rich saline, a selective hydroxyl radical scavenger, on lipopolysaccharide (LPS)-induced pulmonary fibrosis. MATERIAL AND METHODS Male ICR mice were divided randomly into 5 groups: Control, LPS-treated plus vehicle treatment, and LPS-treated plus hydrogen-rich saline (2.5, 5, or 10 ml/kg) treatment. Twenty-eight days later, fibrosis was assessed by determination of collagen deposition, hydroxyproline, and type I collagen levels...
May 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28521775/genome-wide-association-study-of-subclinical-interstitial-lung-disease-in-mesa
#7
Ani Manichaikul, Xin-Qun Wang, Li Sun, Josée Dupuis, Alain C Borczuk, Jennifer N Nguyen, Ganesh Raghu, Eric A Hoffman, Suna Onengut-Gumuscu, Emily A Farber, Joel D Kaufman, Dan Rabinowitz, Karen D Hinckley Stukovsky, Steven M Kawut, Gary M Hunninghake, George R Washko, George T O'Connor, Stephen S Rich, R Graham Barr, David J Lederer
BACKGROUND: We conducted a genome-wide association study (GWAS) of subclinical interstitial lung disease (ILD), defined as high attenuation areas (HAA) on CT, in the population-based Multi-Ethnic Study of Atherosclerosis Study. METHODS: We measured the percentage of high attenuation areas (HAA) in the lung fields on cardiac CT scan defined as voxels with CT attenuation values between -600 and -250 HU. Genetic analyses were performed in MESA combined across race/ethnic groups: non-Hispanic White (n = 2,434), African American (n = 2,470), Hispanic (n = 2,065) and Chinese (n = 702), as well as stratified by race/ethnicity...
May 18, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28515040/a-systematic-review-of-overlapping-microrna-patterns-in-systemic-sclerosis-and-idiopathic-pulmonary-fibrosis
#8
REVIEW
Gianluca Bagnato, William Neal Roberts, Jesse Roman, Sebastiano Gangemi
Lung fibrosis can be observed in systemic sclerosis and in idiopathic pulmonary fibrosis, two disorders where lung involvement carries a poor prognosis. Although much has been learned about the pathogenesis of these conditions, interventions capable of reversing or, at the very least, halting disease progression are not available. Recent studies point to the potential role of micro messenger RNAs (microRNAs) in cancer and tissue fibrogenesis. MicroRNAs are short non-coding RNA sequences (20-23 nucleotides) that are endogenous, evolutionarily conserved and encoded in the genome...
June 30, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28508572/clinical-characteristics-and-factors-associated-with-mortality-in-idiopathic-pulmonary-fibrosis-an-experience-from-a-tertiary-care-center-in-pakistan
#9
Ali Zubairi, Huzaifa Ahmad, Maryam Hassan, Sajjad Sarwar, Aamir Abbas, Talha Shahzad, Irfan Muhammad
INTRODUCTION: Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive interstitial lung disease (ILD) that predominantly affects older adults . IPF has the highest mortality burden of all ILDs. Data on mortality in patients with IPF is limited in developing countries. OBJECTIVES: To identify factors associated with mortality in patients with IPF at a tertiary care center in Pakistan. METHODS: A retrospective chart review was conducted at the Aga Khan University Hospital (AKUH) in Karachi, Pakistan from January 2005 to December 2015...
May 15, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28508494/high-dose-prednisolone-after-intravenous-methylprednisolone-improves-prognosis-of-acute-exacerbation-in-idiopathic-interstitial-pneumonias
#10
Toru Arai, Kazunobu Tachibana, Chikatoshi Sugimoto, Yasushi Inoue, Sayoko Tokura, Tomohisa Okuma, Masanori Akira, Masanori Kitaichi, Seiji Hayashi, Yoshikazu Inoue
BACKGROUND AND OBJECTIVE: Acute exacerbation (AE) of idiopathic pulmonary fibrosis (IPF) (AE-IPF) is a poor prognostic disorder. AE is also reported to occur in other idiopathic interstitial pneumonias (IIPs). There are limited data available regarding the effectiveness of treatment for AE-IIPs. The objective of this study was to clarify the prognostic impact of the initial dose of prednisolone (PSL) for treating AE-IIPs. METHODS: Eighty-five patients with AE-IIPs, diagnosed according to the criteria of the Japanese Respiratory Society, were enrolled in this study (IPF/non-IPF: 63/22 patients) from 2004 to 2013...
May 15, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28507181/fli1-deficiency-induces-cxcl6-expression-in-dermal-fibroblasts-and-endothelial-cells-contributing-to-the-development-of-fibrosis-and-vasculopathy-in-systemic-sclerosis
#11
Takashi Taniguchi, Yoshihide Asano, Kouki Nakamura, Takashi Yamashita, Ryosuke Saigusa, Yohei Ichimura, Takehiro Takahashi, Tetsuo Toyama, Ayumi Yoshizaki, Shinichi Sato
OBJECTIVE: CXCL6, a chemokine with proangiogenic property, is reported to be involved in vasculopathy associated with systemic sclerosis (SSc). We investigated the contribution of CXCL6 to SSc development by focusing on the association of friend leukemia virus integration 1 (Fli1) deficiency, a potential predisposing factor of SSc, with CXCL6 expression and clinical correlation of serum CXCL6 levels. METHODS: mRNA levels of target genes and the binding of Fli1 to the CXCL6 promoter were evaluated by quantitative reverse transcription-PCR and chromatin immunoprecipitation, respectively...
May 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28507166/matrix-stiffness-regulates-migration-of-human-lung-fibroblasts
#12
Shuichi Asano, Satoru Ito, Kota Takahashi, Kishio Furuya, Masashi Kondo, Masahiro Sokabe, Yoshinori Hasegawa
In patients with pulmonary diseases such as idiopathic pulmonary fibrosis and severe acute respiratory distress syndrome, progressive pulmonary fibrosis is caused by dysregulated wound healing via activation of fibroblasts after lung inflammation or severe damage. Migration of fibroblasts toward the fibrotic lesions plays an important role in pulmonary fibrosis. Fibrotic tissue in the lung is much stiffer than normal lung tissue. Emerging evidence supports the hypothesis that the stiffness of the matrix is not only a consequence of fibrosis, but also can induce fibroblast activation...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28506908/effects-of-the-fibroblast-activation-protein-inhibitor-pt100-in-a-murine-model-of-pulmonary-fibrosis
#13
Christine Egger, Catherine Cannet, Christelle Gérard, Thomas Suply, Iwona Ksiazek, Elizabeth Jarman, Nicolau Beckmann
Bleomycin (BLM) induced lung injury is detectable in C57BL/6 mice using magnetic resonance imaging (MRI). We investigated the effects of the fibroblast activation protein (FAP) inhibitor, PT100, in this model. BLM (0.5 mg/kg/day) was administered on days -7, -6, -5, -2, -1, 0 in the nostrils of male mice. PT100 (40 µg/mouse) or vehicle (0.9%NaCl) was dosed per os twice daily from day 1 to 14. MRI was performed before BLM and at days 0, 7 and 14. After the last MRI acquisition, animals were euthanised and the lungs harvested for histological and quantitative real-time polymerase chain reaction (qRT-PCR) analyses...
May 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28502950/colitis-associated-with-nintedanib-therapy-for-idiopathic-pulmonary-fibrosis-ipf
#14
Keishi Oda, Takafumi Matsunaga, Konomi Sennari, Kazuhiro Yatera
No abstract text is available yet for this article.
2017: Internal Medicine
https://www.readbyqxmd.com/read/28502419/the-performance-of-the-gap-model-in-patients-with-rheumatoid-arthritis-associated-interstitial-lung-disease
#15
Julie Morisset, Eric Vittinghoff, Bo Young Lee, Roberto Tonelli, Xiaowen Hu, Brett M Elicker, Jay H Ryu, Kirk D Jones, Stefania Cerri, Andreina Manfredi, Marco Sebastiani, Andrew J Gross, Brett Ley, Paul J Wolters, Talmadge E King, Dong Soon Kim, Harold R Collard, Joyce S Lee
BACKGROUND: Rheumatoid arthritis-associated interstitial lung disease (RA-ILD) is associated with significant morbidity and mortality. Similarities have been observed between patients with idiopathic pulmonary fibrosis (IPF) and the UIP (usual interstitial pneumonia) form of RA-ILD. The GAP (gender, age, physiology) model has been shown to predict mortality in patients with IPF, but its ability to predict mortality in RA-ILD is not known. METHODS: We identified 309 patients with RA-ILD at 4 academic centers with ongoing longitudinal cohorts of patients with ILD...
June 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28502413/understanding-the-determinants-of-health-related-quality-of-life-in-rheumatoid-arthritis-associated-interstitial-lung-disease
#16
Jake G Natalini, Jeff J Swigris, Julie Morisset, Brett M Elicker, Kirk D Jones, Aryeh Fischer, Harold R Collard, Joyce S Lee
RATIONALE: Health-related quality of life (HRQL) is impaired among patients with interstitial lung disease (ILD). Little is understood about HRQL in specific subtypes of ILD. OBJECTIVES: The aim of this study was to characterize and identify clinical determinants of HRQL among patients with rheumatoid arthritis-associated interstitial lung disease (RA-ILD) and compare them to patients with idiopathic pulmonary fibrosis (IPF). METHODS: We identified patients with a diagnosis of RA-ILD and IPF from an ongoing longitudinal cohort of ILD patients...
June 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28501566/dna-methylation-regulated-gene-expression-in-organ-fibrosis
#17
REVIEW
Xiangyu Zhang, Min Hu, Xing Lyu, Chun Li, Victor J Thannickal, Yan Y Sanders
DNA methylation is a major epigenetic mechanism to regulate gene expression. Epigenetic regulation, including DNA methylation, histone modifications and RNA interference, results in heritable changes in gene expression independent of alterations in DNA sequence. Epigenetic regulation often occurs in response to aging and environment stimuli, including exposures and diet. Studies have shown that DNA methylation is critical in the pathogenesis of fibrosis involving multiple organs sytems, contributing to significant morbidity and mortality...
May 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28501346/il-13-and-idiopathic-pulmonary-fibrosis-possible-links-and-new-therapeutic-strategies
#18
REVIEW
Giovanni Passalacqua, Marcello Mincarini, Daniele Colombo, Giuseppe Troisi, Marta Ferrari, Diego Bagnasco, Francesco Balbi, Annamaria Riccio, Giorgio Walter Canonica
The recent advances in the knowledge of immunological aspects of many pulmonary diseases, allowed to identify cells, biological functions, cytokines, and receptors that are preferentially involved in each disease. This is the case of asthma, where IL-13 (together with IL-4) is recognized as a central mediator. The role of IL-13 is strictly related, via complex signaling pathways, to eosinophil recruitment and activation, to mucus secretion, periostin generation and to fibrogenic processes (which are part of the remodeling process)...
May 10, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28498407/respiratory-syncytial-virus-infection-accelerates-lung-fibrosis-through-the-unfolded-protein-response-in-a-bleomycin-induced-pulmonary-fibrosis-animal-model
#19
Lina Wang, Wei Cheng, Zhimin Zhang
Emerging evidence has demonstrated that endoplasmic reticulum stress (ER) is involved in the pathogenesis of idiopathic pulmonary fibrosis, however, the underlying mechanism remains unclear. Viral infection often triggers a hyperinflammatory response by an expansion of the ER. The present study was designed to observe the role of respiratory syncytial virus infection (RSV)‑induced ER stress on lung fibrosis. In order to determine the role of ER stress on the onset and progression of pulmonary fibrosis, mice received an intratracheal combined injection of RSV and bleomycin on day 0...
May 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28495692/shared-genetic-predisposition-in-rheumatoid-arthritis-interstitial-lung-disease-and-familial-pulmonary-fibrosis
#20
Pierre-Antoine Juge, Raphaël Borie, Caroline Kannengiesser, Steven Gazal, Patrick Revy, Lidwine Wemeau-Stervinou, Marie-Pierre Debray, Sébastien Ottaviani, Sylvain Marchand-Adam, Nadia Nathan, Gabriel Thabut, Christophe Richez, Hilario Nunes, Isabelle Callebaut, Aurélien Justet, Nicolas Leulliot, Amélie Bonnefond, David Salgado, Pascal Richette, Jean-Pierre Desvignes, Huguette Lioté, Philippe Froguel, Yannick Allanore, Olivier Sand, Claire Dromer, René-Marc Flipo, Annick Clément, Christophe Béroud, Jean Sibilia, Baptiste Coustet, Vincent Cottin, Marie-Christophe Boissier, Benoit Wallaert, Thierry Schaeverbeke, Florence Dastot le Moal, Aline Frazier, Christelle Ménard, Martin Soubrier, Nathalie Saidenberg, Dominique Valeyre, Serge Amselem, Catherine Boileau, Bruno Crestani, Philippe Dieudé
Despite its high prevalence and mortality, little is known about the pathogenesis of rheumatoid arthritis-associated interstitial lung disease (RA-ILD). Given that familial pulmonary fibrosis (FPF) and RA-ILD frequently share the usual pattern of interstitial pneumonia and common environmental risk factors, we hypothesised that the two diseases might share additional risk factors, including FPF-linked genes. Our aim was to identify coding mutations of FPF-risk genes associated with RA-ILD.We used whole exome sequencing (WES), followed by restricted analysis of a discrete number of FPF-linked genes and performed a burden test to assess the excess number of mutations in RA-ILD patients compared to controls...
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
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