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https://www.readbyqxmd.com/read/28239659/hsp90-regulation-of-fibroblast-activation-in-pulmonary-fibrosis
#1
Vishwaraj Sontake, Yunguan Wang, Rajesh K Kasam, Debora Sinner, Geereddy B Reddy, Anjaparavanda P Naren, Francis X McCormack, Eric S White, Anil G Jegga, Satish K Madala
Idiopathic pulmonary fibrosis (IPF) is a severe fibrotic lung disease associated with fibroblast activation that includes excessive proliferation, tissue invasiveness, myofibroblast transformation, and extracellular matrix (ECM) production. To identify inhibitors that can attenuate fibroblast activation, we queried IPF gene signatures against a library of small-molecule-induced gene-expression profiles and identified Hsp90 inhibitors as potential therapeutic agents that can suppress fibroblast activation in IPF...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28237967/heterozygous-vangl2-looptail-mice-reveal-novel-roles-for-the-planar-cell-polarity-pathway-in-adult-lung-homeostasis-and-repair
#2
Thanushiyan Poobalasingam, Laura L Yates, Simone A Walker, Miguel Pereira, Nina Y Gross, Akmol Ali, Maria Kolatsi-Joannou, Marjo-Riitta Jarvelin, Juha Pekkanen, Eugenia Papakrivopoulou, David A Long, Mark Griffiths, Darcy Wagner, Melanie Königshoff, Matthew Hind, Cosetta Minelli, Clare M Lloyd, Charlotte H Dean
Lung diseases impose a huge economic and health burden worldwide. A key aspect of several adult lung diseases, such as Idiopathic pulmonary fibrosis (IPF) and Chronic Obstructive pulmonary Disease (COPD), including emphysema, is aberrant tissue repair, which leads to an accumulation of damage and impaired respiratory function. Currently, there are few effective treatments available for these diseases and their incidence is rising.The Planar Cell Polarity (PCP) pathway is critical for the embryonic development of many organs, including kidney and lung...
February 24, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28237372/severe-thrombophilia-in-idiopathic-fatal-pulmonary-embolism
#3
Irene Martínez-Martínez
No abstract text is available yet for this article.
February 20, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28236024/molecular-imaging-of-the-human-pulmonary-vascular-endothelium-in-pulmonary-hypertension-a-phase-ii-safety-and-proof-of-principle-trial
#4
François Harel, David Langleben, Steve Provencher, Alain Fournier, Vincent Finnerty, Quang T Nguyen, Myriam Letourneau, Xavier Levac, Gad Abikhzer, Jean Guimond, Asmaa Mansour, Marie-Claude Guertin, Jocelyn Dupuis
PURPOSE: The adrenomedullin receptor is densely expressed in the pulmonary vascular endothelium. PulmoBind, an adrenomedullin receptor ligand, was developed for molecular diagnosis of pulmonary vascular disease. We evaluated the safety of PulmoBind SPECT imaging and its capacity to detect pulmonary vascular disease associated with pulmonary hypertension (PH) in a human phase II study. METHODS: Thirty patients with pulmonary arterial hypertension (PAH, n = 23) or chronic thromboembolic PH (CTEPH, n = 7) in WHO functional class II (n = 26) or III (n = 4) were compared to 15 healthy controls...
February 24, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28231584/characteristics-of-sarcoidosis-in-patients-with-previous-malignancy-causality-or-coincidence
#5
Nissim Arish, Rottem Kuint, Eli Sapir, Liran Levy, Avraham Abutbul, Zvi Fridlender, Uri Laxer, Neville Berkman
BACKGROUND: The association between sarcoidosis and malignancy is poorly defined. Sarcoidosis can precede, be diagnosed concurrently with, or follow malignancy. OBJECTIVES: We describe the clinical and radiological features of patients with sarcoidosis following malignancy to determine whether this association is causal or coincidental. METHODS: We performed a search for all patients with confirmed sarcoidosis following malignancy in our institution during 2001-2015...
February 24, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28230086/classification-of-idiopathic-interstitial-pneumonias-using-anti-myxovirus-resistance-protein-1-autoantibody
#6
Yoshimasa Hamano, Hiroshi Kida, Shoichi Ihara, Akihiro Murakami, Masahiro Yanagawa, Ken Ueda, Osamu Honda, Lokesh P Tripathi, Toru Arai, Masaki Hirose, Toshimitsu Hamasaki, Yukihiro Yano, Tetsuya Kimura, Yasuhiro Kato, Hyota Takamatsu, Tomoyuki Otsuka, Toshiyuki Minami, Haruhiko Hirata, Koji Inoue, Izumi Nagatomo, Yoshito Takeda, Masahide Mori, Hiroyoshi Nishikawa, Kenji Mizuguchi, Takashi Kijima, Masanori Kitaichi, Noriyuki Tomiyama, Yoshikazu Inoue, Atsushi Kumanogoh
Chronic fibrosing idiopathic interstitial pneumonia (IIP) can be divided into two main types: idiopathic pulmonary fibrosis (IPF), a steroid-resistant and progressive disease with a median survival of 2-3 years, and idiopathic non-specific interstitial pneumonia (INSIP), a steroid-sensitive and non-progressive autoimmune disease. Although the clinical courses of these two diseases differ, they may be difficult to distinguish at diagnosis. We performed a comprehensive analysis of serum autoantibodies from patients definitively diagnosed with IPF, INSIP, autoimmune pulmonary alveolar proteinosis, and sarcoidosis...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230051/cellular-senescence-mediates-fibrotic-pulmonary-disease
#7
Marissa J Schafer, Thomas A White, Koji Iijima, Andrew J Haak, Giovanni Ligresti, Elizabeth J Atkinson, Ann L Oberg, Jodie Birch, Hanna Salmonowicz, Yi Zhu, Daniel L Mazula, Robert W Brooks, Heike Fuhrmann-Stroissnigg, Tamar Pirtskhalava, Y S Prakash, Tamara Tchkonia, Paul D Robbins, Marie Christine Aubry, João F Passos, James L Kirkland, Daniel J Tschumperlin, Hirohito Kita, Nathan K LeBrasseur
Idiopathic pulmonary fibrosis (IPF) is a fatal disease characterized by interstitial remodelling, leading to compromised lung function. Cellular senescence markers are detectable within IPF lung tissue and senescent cell deletion rejuvenates pulmonary health in aged mice. Whether and how senescent cells regulate IPF or if their removal may be an efficacious intervention strategy is unknown. Here we demonstrate elevated abundance of senescence biomarkers in IPF lung, with p16 expression increasing with disease severity...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28229900/interleukin-6-572c-g-polymorphism-is-associated-with-serum-interleukin-6-levels-and-risk-of-idiopathic-pulmonary-arterial-hypertension
#8
Ming Fang, Yueye Huang, Yuan Zhang, Zhongping Ning, Luoning Zhu, Xinming Li
Interleukin 6 (IL-6) is a multifunctional proinflammatory cytokine that is elevated in patients with pulmonary arterial hypertension (PAH). Single nucleotide polymorphisms in the promoter region of IL-6 have been reported to transcriptional regulate the expression of IL-6. The aim of the present study is to investigate the roles of two common polymorphisms (-572C/G [rs1800796] and -6331T/C [rs10499563]) of IL-6 in idiopathic PAH (IPAH). A total of 338 IPAH patients and 352 age- and gender-matched healthy controls were enrolled...
February 3, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28229501/comparison-between-sedation-and-general-anesthesia-for-high-resolution-computed-tomographic-characterization-of-canine-idiopathic-pulmonary-fibrosis-in-west-highland-white-terriers
#9
Elodie Roels, Thierry Couvreur, Frédéric Farnir, Cécile Clercx, Johny Verschakelen, Géraldine Bolen
Canine idiopathic pulmonary fibrosis is a progressive interstitial lung disease mainly affecting West Highland white terriers. Thoracic high-resolution computed tomographic (T-HRCT) findings for Canine idiopathic pulmonary fibrosis acquired under general anesthesia have been described previously. However, the use of general anesthesia may be contraindicated for some affected dogs. Sedation may allow improved speed and safety, but it is unknown whether sedation would yield similar results in identification and grading of Canine idiopathic pulmonary fibrosis lesions...
February 23, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28228295/idiopathic-dilatation-of-pulmonary-artery-a-review
#10
REVIEW
Amit Malviya, Pravin K Jha, Jyoti P Kalita, Manuj K Saikia, Animesh Mishra
The diagnosis of idiopathic dilatation of pulmonary artery is challenging because its clinical recognition is difficult and various other causes of dilated pulmonary artery need to be excluded. The clinical findings mimic various common cardiac disorders and both invasive and non-invasive investigations should be done to arrive at the diagnosis. It is a known clinical entity but etiology and pathophysiology are largely unknown. The current echocardiographic and catheterization based diagnostic criteria, may not be satisfied completely in a particular patient and need to be revisited in view of newer imaging modalities...
January 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28225205/greater-endurance-capacity-and-improved-dyspnoea-with-acute-oxygen-supplementation-in-idiopathic-pulmonary-fibrosis-patients-without-resting-hypoxaemia
#11
Leona M Dowman, Christine F McDonald, Steven Bozinovski, Ross Vlahos, Rebecca Gillies, Dodie Pouniotis, Catherine J Hill, Nicole S L Goh, Anne E Holland
BACKGROUND AND OBJECTIVE: Supplemental oxygen is commonly prescribed in patients with idiopathic pulmonary fibrosis (IPF), although its benefits have not been proven. The aims of this study were to investigate the effect of oxygen on oxidative stress, cytokine production, skeletal muscle metabolism and physiological response to exercise in IPF. METHODS: Eleven participants with IPF received either oxygen, at an FiO2 of 0.50, or compressed air for 1 h at rest and during a cycle endurance test at 85% of peak work rate...
February 22, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28223154/idiopathic-and-systemic-sclerosis-associated-pulmonary-arterial-hypertension-a-comparison-of-demographic-haemodynamic-and-magnetic-resonance-imaging-characteristics-and-outcomes
#12
Sheila Ramjug, Nehal Hussain, Judith Hurdman, Catherine Billings, Athanasios Charampopoulos, Charlie A Elliot, David G Kiely, Ian Sabroe, Smitha Rajaram, Andrew J Swift, Robin Condliffe
BACKGROUND: Previous studies have identified survival in systemic sclerosis (SSc)-associated pulmonary arterial hypertension (SSc-PAH) to be worse than in idiopathic pulmonary arterial hypertension (IPAH). We investigated differences between these conditions by comparing demographic, haemodynamic and radiological characteristics and outcomes in a large cohort of incident patients. METHODS: 651 patients diagnosed with IPAH or SSc-associated pre-capillary pulmonary hypertension were included...
February 18, 2017: Chest
https://www.readbyqxmd.com/read/28218840/drug-repurposing-of-histone-deacetylase-inhibitors-that-alleviate-neutrophilic-inflammation-in-acute-lung-injury-and-idiopathic-pulmonary-fibrosis-via-inhibiting-leukotriene-a4-hydrolase-and-blocking-ltb4-biosynthesis
#13
Weiqiang Lu, Xue Yao, Ping Ouyang, Ningning Dong, Dang Wu, Xingwu Jiang, Zengrui Wu, Chen Zhang, Zhongyu Xu, Yun Tang, Shien Zou, Mingyao Liu, Jian Li, Ming-Hua Zeng, Ping Lin, Feixiong Cheng, Jin Huang
Acute lung injury (ALI) and idiopathic pulmonary fibrosis (IPF) are both serious public health problems with high incidence and mortality rate in adults, and with few drugs available for the efficient treatment in clinic. In this study, we identified that two known histone deacetylase (HDAC) inhibitors, suberanilohydroxamic acid (SAHA, 1) and its analog 4-(dimethylamino)-N-[7-(hydroxyamino)-7-oxoheptyl]benzamide (2), are effective inhibitors of Leukotriene A4 hydrolase (LTA4H), a key enzyme in the biosynthesis of leukotriene B4 (LTB4), across a panel of 18 HDAC inhibitors, using enzymatic assay, thermofluor assay, and X-ray Crystallographic investigation...
February 20, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28217618/recurrent-first-trimester-abortion-in-a-young-female-rare-presentation-of-takayasu-arteritis
#14
Suruchi Gupta, Puneet Chhabra, Nikhil Gupta, Parul Aggarwal
Takayasu arteritis (TA) is a chronic, progressive, autoimmune, idiopathic, and large-vessel vasculitis that usually affects young adults, especially females. TA primarily affects the aorta and its major branches, the coronary arteries, and the pulmonary arteries. Recurrent pregnancy loss is usually defined as three or more consecutive losses occurring at <20 weeks' gestation of a clinically recognized pregnancy. Common causes of recurrent fetal loss include anatomic, chromosomal, hormonal, infectious, or antiphospholipid antibody syndrome...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28215586/role-of-human-bocavirus-in-idiopathic-pulmonary-fibrosis
#15
EDITORIAL
Wolfram Windisch, Verena Schildgen, Oliver Schildgen
No abstract text is available yet for this article.
February 16, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28215519/repeatability-of-computerized-tomography-based-anthropomorphic-measurements-of-frailty-in-patients-with-pulmonary-fibrosis-undergoing-lung-transplantation
#16
Taylor McClellan, Brian C Allen, Matthew Kappus, Lubna Bhatti, Randa A Dafalla, Laurie D Snyder, Mustafa R Bashir
PURPOSE: To determine interreader and intrareader repeatability and correlations among measurements of computerized tomography-based anthropomorphic measurements in patients with pulmonary fibrosis undergoing lung transplantation. METHODS: This was an institutional review board-approved, Health Insurance Portability and Accountability Act-compliant retrospective study of 23 randomly selected subjects (19 male and 4 female; median age = 69 years; range: 66-77 years) with idiopathic pulmonary fibrosis undergoing pulmonary transplantation, who had also undergone preoperative thoracoabdominal computerized tomography...
December 29, 2016: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28213592/the-evidence-of-benefits-of-exercise-training-in-interstitial-lung-disease-a-randomised-controlled-trial
#17
Leona M Dowman, Christine F McDonald, Catherine J Hill, Annemarie L Lee, Kathryn Barker, Claire Boote, Ian Glaspole, Nicole S L Goh, Anne M Southcott, Angela T Burge, Rebecca Gillies, Alicia Martin, Anne E Holland
BACKGROUND: Uncertainty exists regarding the clinical relevance of exercise training across the range of interstitial lung diseases (ILDs). OBJECTIVE: To establish the impact of exercise training in patients with ILDs of differing aetiology and severity. METHODS: 142 participants with ILD (61 idiopathic pulmonary fibrosis (IPF), 22 asbestosis, 23 connective tissue disease-related ILD (CTD-ILD) and 36 with other aetiologies) were randomised to either 8 weeks of supervised exercise training or usual care...
February 17, 2017: Thorax
https://www.readbyqxmd.com/read/28213468/microencapsulation-of-lefty-secreting-engineered-cells-for-pulmonary-fibrosis-therapy-in-mice
#18
Hongge Ma, Shupei Qiao, Zeli Wang, Shuai Geng, Yufang Zhao, Xiaolu Hou, Weiming Tian, Xiongbiao Chen, Lifen Yao
Idiopathic pulmonary fibrosis (IPF) is a progressive disease that causes unremitting deposition of extracellular matrix proteins, thus resulting in distortion of the pulmonary architecture and impaired gas exchange. Associated with high morbidity and mortality, IPF is generally refractory to current pharmacological therapies. Lefty A, a potent inhibitor of transforming growth factor (TGF)-β signaling, has been shown to have promising antifibrotic ability in vitro for the treatment of renal fibrosis and other potential organ fibroses...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28205373/pulmonary-hypertension-in-connective-tissue-diseases-an-update
#19
REVIEW
Ramya Aithala, Anoop G Alex, Debashish Danda
Pulmonary hypertension (PH) is a relatively commoner complication of systemic sclerosis (SSc) with estimated prevalence ranging between 8% and 12% as compared to much lower figures in other connective tissue diseases (CTD). It is a major cause of morbidity and mortality in CTDs. PH is classified into five major groups. CTD-associated PH belongs to group 1 PH, also known as pulmonary arterial hypertension (PAH). Around 30% of scleroderma-related deaths are due to PAH. Underlying pathogenesis is related to pulmonary vasculopathy involving small vessels...
February 16, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28203411/development-of-a-non-infectious-rat-model-of-acute-exacerbation-of-idiopathic-pulmonary-fibrosis
#20
Shan-Shan Chen, Zhao-Fang Yin, Tao Chen, Hui Qiu, Ya-Ru Wei, Shan-Shan Du, Yue-Ping Jin, Meng-Meng Zhao, Qin Wu, Dong Weng, Hui-Ping Li
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a chronic progressive interstitial lung disease with severe pulmonary fibrosis. The main cause of IPF-associated death is acute exacerbation of IPF (AE-IPF). This study aims to develop a rat model of AE-IPF by two intratracheal perfusions with bleomycin (BLM). METHODS: Ninety male Sprague Dawley (SD) rats were randomized into three groups: an AE-IPF model group (BLM + BLM group), an IPF model group (BLM group), and a normal control group...
January 2017: Journal of Thoracic Disease
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