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idiopathic fibrosis pulmonary

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https://www.readbyqxmd.com/read/28731277/tnf-%C3%AE-induced-nf-%C3%AE%C2%BAb-activation-promotes-myofibroblast-differentiation-of-lr-mscs-and-exacerbates-bleomycin-induced-pulmonary-fibrosis
#1
Jiwei Hou, Tan Ma, Honghui Cao, Yabing Chen, Cong Wang, Xiang Chen, Zou Xiang, Xiaodong Han
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive, and irreversible lung disease of unknown cause. It has been reported that both lung resident mesenchymal stem cells (LR-MSCs) and tumor necrosis factor-α (TNF-α) play important roles in the development of pulmonary fibrosis. However, the underlying connections between LR-MSCs and TNF-α in the pathogenesis of pulmonary fibrosis are still elusive. In this study, we found that the pro-inflammatory cytokine TNF-α and the transcription factor nuclear factor kappa B (NF-κB) p65 subunit were both upregulated in bleomycin-induced fibrotic lung tissue...
July 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28729480/home-spirometry-for-idiopathic-pulmonary-fibrosis-ready-for-prime-time
#2
EDITORIAL
Toby M Maher
No abstract text is available yet for this article.
July 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28728146/chronic-kidney-disease-predicts-survival-in-patients-with-idiopathic-pulmonary-fibrosis
#3
Kohei Ikezoe, Tomohiro Handa, Kiminobu Tanizawa, Hideki Yokoi, Takeshi Kubo, Kensaku Aihara, Akihiko Sokai, Yoshinari Nakatsuka, Seishu Hashimoto, Kiyoshi Uemasu, Susumu Sato, Shigeo Muro, Sonoko Nagai, Motoko Yanagita, Kazuo Chin, Toyohiro Hirai, Yoshio Taguchi, Michiaki Mishima
BACKGROUND: The prevalence of chronic kidney disease (CKD) increases with age as with idiopathic pulmonary fibrosis (IPF). OBJECTIVES: We assessed the prevalence of CKD (stages 3-5) and investigated the relationship of CKD to clinical features and outcomes in patients with IPF. METHODS: This study comprised 123 patients with IPF; 61 subjects with chronic obstructive pulmonary disease (COPD), which was reportedly associated with CKD, were also enrolled as a disease control...
July 21, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28726637/microrna-101-attenuates-pulmonary-fibrosis-by-inhibiting-fibroblast-proliferation-and-activation
#4
Chaoqun Huang, Xiao Xiao, Ye Yang, Amarjit Mishra, Yurong Liang, Xiangming Zeng, Xiaoyun Yang, Dao Xu, Michael R Blackburn, Craig A Henke, Lin Liu
Aberrant proliferation and activation of lung fibroblasts contribute to the initiation and progression of idiopathic pulmonary fibrosis (IPF). However, the mechanisms responsible for the proliferation and activation of fibroblasts are not fully understood. The objective of the current study was to investigate the role of miR-101 in the proliferation and activation of lung fibroblasts. miR-101 expression was determined in lung tissues from patients with IPF and mice with bleomycin-induced pulmonary fibrosis...
July 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28722352/serpine-1-induces-alveolar-type-ii-cell-senescence-through-activating-p53-p21-rb-pathway-in-fibrotic-lung-disease
#5
Chunsun Jiang, Gang Liu, Tracy Luckhardt, Veena Antony, Yong Zhou, A Brent Carter, Victor J Thannickal, Rui-Ming Liu
Senescence of alveolar type 2 (ATII) cells, progenitors of the alveolar epithelium, is implicated in the pathogeneses of idiopathic pulmonary fibrosis (IPF), an aging-related progressive fatal lung disorder with unknown etiology. The mechanism underlying ATII cell senescence in fibrotic lung diseases, however, remains poorly understood. In this study, we report that ATII cells in IPF lungs express higher levels of serpine 1, also known as plasminogen activator inhibitor 1 (PAI-1), and cell senescence markers p21 and p16, compared to ATII cells in control lungs...
July 19, 2017: Aging Cell
https://www.readbyqxmd.com/read/28718917/proliferation-of-elastic-fibers-in-idiopathic-pulmonary-fibrosis-a-whole-slide-image-analysis-and-comparison-with-pleuroparenchymal-fibroelastosis
#6
Yoshiaki Kinoshita, Kentaro Watanabe, Hiroshi Ishii, Hisako Kushima, Masaki Fujita, Kazuki Nabeshima
BACKGROUND: We occasionally encounter patients with idiopathic pulmonary fibrosis (IPF) who have similar imaging patterns to pleuroparenchymal fibroelastosis (PPFE) in the upper lung fields but are not diagnosed as PPFE clinically. The clinicopathological features and intrapulmonary distribution of elastic fibers and collagen fibers in these patients have not been fully elucidated. METHODS: We retrospectively reviewed the medical records of patients with a clinical diagnosis of IPF and selected the consecutive patients who received autopsy or pneumonectomy for lung transplantation...
July 18, 2017: Histopathology
https://www.readbyqxmd.com/read/28717640/lung-microbiome-and-host-immune-tone-in-subjects-with-idiopathic-pulmonary-fibrosis-treated-with-inhaled-interferon-%C3%AE
#7
Jing Wang, Melissa Lesko, Michelle H Badri, Bianca C Kapoor, Benjamin G Wu, Yonghua Li, Gerald C Smaldone, Richard Bonneau, Zachary D Kurtz, Rany Condos, Leopoldo N Segal
Therapies targeting inflammation reveal inconsistent results in idiopathic pulmonary fibrosis (IPF). Aerosolised interferon (IFN)-γ has been proposed as a novel therapy. Changes in the host airway microbiome are associated with the inflammatory milieu and may be associated with disease progression. Here, we evaluate whether treatment with aerosolised IFN-γ in IPF impacts either the lower airway microbiome or the host immune phenotype. Patients with IPF who enrolled in an aerosolised IFN-γ trial underwent bronchoscopy at baseline and after 6 months...
July 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28717083/pirfenidone-induced-eosinophilic-pleurisy
#8
Isano Hase, Bunpei Yamaguchi, Hidenori Takizawa, Hiroaki Arakawa, Hideo Sakuma, Koichi Fujiu, Hideaki Miyamoto, Yoshiki Ishii
The patient was a 69-year-old man with idiopathic pulmonary fibrosis who was taking pirfenidone. After 7 weeks of treatment, he suffered from left-sided eosinophilic pleurisy. Medical thoracoscopy was performed and the histopathological examination of the parietal pleura revealed the massive infiltration of eosinophils and lymphoid follicles. After stopping pirfenidone therapy, the patient's pleural effusion disappeared without additional treatment, and never recurred. This is the first case report of pirfenidone-induced pleurisy...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28714804/cellular-proliferation-and-differentiation-induced-by-single-layer-molybdenum-disulfide-and-mediation-mechanisms-of-proteins-via-the-akt-mtor-p70s6k-signaling-pathway
#9
Wei Zou, Xingli Zhang, Mengyang Zhao, Qixing Zhou, Xiangang Hu
Single-layer molybdenum disulfide (SLMoS2) is a novel kind of 2D nanosheet that has attracted great attention regarding its use in biosensors, drug delivery, tissue engineering and therapy. However, our results demonstrated that SLMoS2 accelerated proliferation and promoted myogenic differentiation and epithelial-mesenchymal transition (EMT) in human embryonic lung fibroblasts (HELFs). The abnormal proliferation and differentiation of HELFs contribute to idiopathic pulmonary fibrosis. Specifically, SLMoS2 significantly stimulated the expression of myofibroblast- and mesenchymal-associated genes and proteins...
July 17, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28710188/leucocytoclastic-vasculitis-following-influenza-vaccination
#10
Sissi Cao, Dongmei Sun
BACKGROUND: Influenza vaccinations are commonly administered and effectively prevent influenza. Most vaccine reactions are mild and self-limiting with few reported cases of vasculitis. We present a case of vasculitis post-vaccination unique for its dramatic visual presentation and rapid response to treatment with the aim to emphasise possible causation and timely treatment. CASE PRESENTATION: This is a case of a 60-year-old man with chronic idiopathic pulmonary fibrosis, with fever, arthralgias and rash characterised by extensive erythematous plaques on his limbs and trunk 5 days after influenza vaccination...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28709421/health-related-quality-of-life-in-patients-with-idiopathic-pulmonary-fibrosis-in-clinical-practice-insights-ipf-registry
#11
Michael Kreuter, Jeff Swigris, David Pittrow, Silke Geier, Jens Klotsche, Antje Prasse, Hubert Wirtz, Dirk Koschel, Stefan Andreas, Martin Claussen, Christian Grohé, Henrike Wilkens, Lars Hagmeyer, Dirk Skowasch, Joachim F Meyer, Joachim Kirschner, Sven Gläser, Felix J F Herth, Tobias Welte, Claus Neurohr, Martin Schwaiblmair, Matthias Held, Thomas Bahmer, Marion Frankenberger, Jürgen Behr
BACKGROUND: The INSIGHTS-IPF registry provides one of the largest data sets of clinical data and self-reported patient related outcomes including health related quality of life (QoL) on patients with idiopathic pulmonary fibrosis (IPF). We aimed to describe associations of various QoL instruments between each other and with patient characteristics at baseline. METHODS: Six hundred twenty-three IPF patients with available QoL data (St George's Respiratory Questionnaire SGRQ, UCSD Shortness-of-Breath Questionnaire SoB, EuroQol visual analogue scale and index EQ-5D, Well-being Index WHO-5) were analysed...
July 14, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28707969/ipf-moving-from-idiopathic-to-infectious-pulmonary-fibrosis
#12
Gisli Jenkins
No abstract text is available yet for this article.
July 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28706918/the-respiratory-microbiome-in-idiopathic-pulmonary-fibrosis
#13
REVIEW
Richard J Hewitt, Philip L Molyneaux
Idiopathic pulmonary fibrosis (IPF) is a progressive and fatal disease of unknown cause. Current evidence suggests that it arises in genetically susceptible individuals as a consequence of an aberrant wound-healing response following repetitive alveolar injury. Overt respiratory infection and immunosuppression carry a high mortality, while polymorphisms in genes related to epithelial integrity and host defence predispose to IPF. Recent advances in sequencing technologies have allowed the use of molecular microbial technologies to characterise the respiratory microbiota in patients with IPF...
June 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28705305/clinical-characteristics-of-japanese-candidates-for-lung-transplant-for-interstitial-lung-disease-and-risk-factors-for-early-death-while-on-the-waiting-list
#14
Hisao Higo, Takeshi Kurosaki, Eiki Ichihara, Toshio Kubo, Kentaroh Miyoshi, Shinji Otani, Seiichiro Sugimoto, Masaomi Yamane, Nobuaki Miyahara, Katsuyuki Kiura, Shinichiro Miyoshi, Takahiro Oto
BACKGROUND: Lung transplants have produced very favorable outcomes for patients with interstitial lung disease (ILD) in Japan. However, because of the severe donor lung shortage, patients must wait approximately 2.5 years before they can undergo transplantation and many candidates die before allocation. We reveal the clinical characteristics of Japanese patients with ILD who are candidates for lung transplants and the risk factors for early death while on the waiting list. METHODS: We retrospectively reviewed the clinical data of patients registered in the Japan Organ Transplant Network from Okayama University Hospital who are candidates for cadaveric lung transplants for ILD between 1999 and 2015...
July 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28704913/treatment-of-connective-tissue-disease-associated-interstitial-lung-disease-the-pulmonologist-s-point-of-view
#15
REVIEW
So-My Koo, Soo-Taek Uh
Interstitial lung disease (ILD) occurs in 15% of patients with collagen vascular disease (CVD), referred to as connective tissue disease (CTD). Despite advances in management strategies, ILD continues to be a significant cause of mortality in patients with CVD-associated ILD (CTD-ILD). There is a lack of randomized, clinical trials assessing pharmacological agents for CTD-ILD, except in cases of ILD-associated systemic sclerosis (SSc). This may be due to the lack of CTD cases available, the difficulty of histological confirmation of ILD, and the various types of CTD and ILD...
July 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28701304/hif1a-up-regulates-the-adora2b-receptor-on-alternatively-activated-macrophages-and-contributes-to-pulmonary-fibrosis
#16
Kemly Philip, Tingting Weng Mills, Jonathan Davies, Ning-Yuan Chen, Harry Karmouty-Quintana, Fayong Luo, Jose G Molina, Javier Amione-Guerra, Neeraj Sinha, Ashrith Guha, Holger K Eltzschig, Michael R Blackburn
Idiopathic pulmonary fibrosis (IPF) is a deadly chronic lung disease. Extracellular accumulation of adenosine and subsequent activation of the ADORA2B receptor play important roles in regulating inflammation and fibrosis in IPF. Additionally, alternatively activated macrophages (AAMs) expressing ADORA2B have been implicated in mediating adenosine's effects in IPF. Although hypoxic conditions are present in IPF, hypoxia's role as a direct modulator of macrophage phenotype and identification of factors that regulate ADORA2B expression on AAMs in IPF is not well understood...
July 12, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28701252/idiopathic-pulmonary-fibrosis-a-case-discussion
#17
Meghan K Felton, Brian Bautista, Lee E Morrow, Mark Malesker
OBJECTIVE: The purpose of this report is to describe the case of a 68-year-old man who was treated for idiopathic pulmonary fibrosis (IPF), a chronic and fatal lung disease that is characterized by progressive deterioration of pulmonary function. He was initially prescribed pirfenidone and developed significant gastric distress. The treatment was transitioned to nintedanib. This article will provide the pharmacist with a therapeutic overview of IPF, as well as review the unique process involved with drug acquisition, dosing, patient education, and monitoring of pirfenidone and nintedanib...
July 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28700255/disease-progression-in-idiopathic-pulmonary-fibrosis-fvc-is-not-enough
#18
Jürgen Behr
No abstract text is available yet for this article.
July 12, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28699195/model-based-meta-analysis-on-the-efficacy-of-pharmacological-treatments-for-idiopathic-pulmonary-fibrosis
#19
Phyllis Chan, Leon Bax, Chunlin Chen, Nancy Zhang, Shu-Pang Huang, Holly Soares, Glenn Rosen, Malaz AbuTarif
Recently the FDA approved the first two drugs (pirfenidone and nintedanib) indicated for the treatment of idiopathic pulmonary fibrosis (IPF). The purpose of this analysis was to leverage publicly available data to quantify comparative efficacy of compounds that are approved or in development. An analysis-ready database was developed, and the analysis dataset is composed of summary-level data from 43 arms in 20 trials, with treatment durations ranging from 8 to 104 weeks. A hierarchical multivariable regression model with non-parametric placebo estimation was used to fit the longitudinal profile of change from baseline of percent predicted forced vital capacity (%predicted FVC) data...
July 11, 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28696800/effect-of-nintedanib-on-airway-inflammation-and-remodeling-in-a-murine-chronic-asthma-model
#20
Hwa Young Lee, Jung Hur, In Kyoung Kim, Ji Young Kang, Hyoung Kyu Yoon, Sook Young Lee, Soon Suk Kwon, Young Kyoon Kim, Chin Kook Rhee
INTRODUCTION: Nintedanib is a multi-tyrosine kinase receptor inhibitor recently approved for treatment of idiopathic pulmonary fibrosis. Although angiogenesis is a key process involved in airway structural changes in patients with bronchial asthma, the effect of nintedanib targeting the angiokinase pathway on airway inflammation and remodeling has not been evaluated. METHODS: We used a 3-month ovalbumin (OVA) challenge mouse model of airway remodeling. Nintedanib was orally administrated during the challenge period, and the effects were examined based on the percentage of airway inflammatory cells, airway hyper-reactivity (AHR), peribronchial goblet cell hyperplasia, total lung collagen and smooth muscle area...
July 11, 2017: Experimental Lung Research
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