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https://www.readbyqxmd.com/read/29149168/airway-expression-of-transient-receptor-potential-trp-vanniloid-1-and-ankyrin-1-channels-is-not-increased-in-patients-with-idiopathic-pulmonary-fibrosis
#1
Nicola-Xan Hutchinson, Allen Gibbs, Amanda Tonks, Benjamin D Hope-Gill
Dry cough is a common symptom described in patients with Idiopathic Pulmonary Fibrosis (IPF) and impairs quality of life. The exact mechanisms causing cough in IPF remain unclear, however evidence suggests altered cough neurophysiology and sensitisation plays a role; IPF patients have an enhanced cough reflex sensitivity to inhaled capsaicin. The Transient Receptor Potential Vanniloid-1 channel (TRPV-1) has a role in the cough reflex and airway expression is increased in patients with chronic cough. The Ankyrin-1 receptor (TRPA-1) is often co-expressed...
2017: PloS One
https://www.readbyqxmd.com/read/29148977/the-role-of-micrornas-in-chronic-respiratory-disease-recent-insights
#2
Lindsay R Stolzenburg, Ann Harris
Chronic respiratory diseases encompass a group of diverse conditions affecting the airways, which all impair lung function over time. They include cystic fibrosis, idiopathic pulmonary fibrosis, chronic obstructive pulmonary disease, and asthma, which together affect hundreds of millions of people worldwide. MicroRNAs (miRNAs), a class of small non-coding RNAs involved in post-transcriptional gene repression, are now recognized as major regulators in the development and progression of chronic lung disease. Alterations in miRNA abundance occur in lung tissue, inflammatory cells, and freely circulating in blood and are thought to function both as drivers and modifiers of disease...
November 27, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/29147917/recommendations-for-perioperative-management-of-lung-cancer-patients-with-comorbidities
#3
REVIEW
Hiroyoshi Tsubochi, Tomoki Shibano, Shunsuke Endo
OBJECTIVES: To improve surgical outcomes, clinicians must provide optimal perioperative care for comorbidities identified as significant factors in risk models for patients undergoing lung cancer surgery. METHODS: We reviewed trends in perioperative care for idiopathic pulmonary fibrosis, cardiovascular diseases, and end-stage renal diseases in patients undergoing lung cancer surgery, as large clinical databases indicate that these comorbidities are significant risk factors for lung cancer surgery...
November 16, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29146573/prostanoid-ep4-agonist-l-902-688-activates-ppar%C3%AE-and-attenuates-pulmonary-arterial-hypertension
#4
Hsin-Hsien Li, Hsao-Hsun Hsu, Gwo-Jyh Chang, I-Chen Chen, Wan-Jing Ho, Pei-Chen Hsu, Wei-Jan Chen, Jong-Hwei Su Pang, Chung-Chi Huang, Ying-Ju Lai
Prostacyclin agonists that bind the prostacyclin receptor (IP) to stimulate cyclic adenosine monophosphate (cAMP) synthesis are effective vasodilators for the treatment of idiopathic pulmonary arterial hypertension (IPAH) but this signaling may occur through nuclear peroxisome proliferator-activated receptor-gamma (PPARγ). There is evidence of scant IP and PPARγ expression but stable prostanoid EP4 receptor (EP4) expression in IPAH patients. Both IP and EP4 functionally couple with stimulatory G protein (Gs), which activate signal transduction...
November 16, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29146100/emerging-role-of-extracellular-vesicles-as-a-senescence-associated-secretory-phenotype-insights-into-the-pathophysiology-of-lung-diseases
#5
REVIEW
Tsukasa Kadota, Yu Fujita, Yusuke Yoshioka, Jun Araya, Kazuyoshi Kuwano, Takahiro Ochiya
Aging is a major risk factor for the development of chronic lung diseases such as chronic obstructive pulmonary disease (COPD), idiopathic pulmonary fibrosis (IPF), and lung cancer. A main aspect of aging is the impaired function of maintaining homeostasis in the organs and body, which is associated with cellular senescence. Cellular senescence is recognized as the state of irreversible cell cycle arrest in response to a variety of cellular stresses. Senescent cells are not simply cell cycle-arrested cells; they also affect bystander cells through the secretion of bioactive molecules, termed the senescence-associated secretory phenotype (SASP)...
November 13, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/29145311/pulmonary-hypertension-as-a-manifestation-of-mitochondrial-disease-a-case-report-and-review-of-the-literature
#6
Shan Xu, Xiaoling Xu, Jisong Zhang, Kejing Ying, Yuquan Shao, Ruifeng Zhang
BACKGROUND: Mitochondrial diseases are a group of multisystem heterogeneous diseases caused by pathologic dysfunction of the mitochondrial respiratory chain. A wide range of clinical expression has been described. However, pulmonary hypertension has rarely been described in association with mitochondrial disease until the past decade, and there is no currently recognized treatment for the pulmonary hypertension complicated with mitochondrial disorder. PATIENT CONCERNS: We reported the case of a 15-year-old boy who presented with shortness of breath and exercise limitation after a cold, and the diagnosis of pulmonary hypertension was confirmed by right heart catheter...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144435/dysregulated-collagen-homeostasis-by-matrix-stiffening-and-tgf-%C3%AE-1-in-fibroblasts-from-idiopathic-pulmonary-fibrosis-patients-role-of-fak-akt
#7
Alícia Giménez, Paula Duch, Marta Puig, Marta Gabasa, Antoni Xaubet, Jordi Alcaraz
Idiopathic pulmonary fibrosis (IPF) is an aggressive disease in which normal lung parenchyma is replaced by a stiff dysfunctional scar rich in activated fibroblasts and collagen-I. We examined how the mechanochemical pro-fibrotic microenvironment provided by matrix stiffening and TGF-β1 cooperates in the transcriptional control of collagen homeostasis in normal and fibrotic conditions. For this purpose we cultured fibroblasts from IPF patients or control donors on hydrogels with tunable elasticity, including 3D collagen-I gels and 2D polyacrylamide (PAA) gels...
November 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29140119/ct-features-of-the-usual-interstitial-pneumonia-pattern-differentiating-connective-tissue-disease-associated-interstitial-lung-disease-from-idiopathic-pulmonary-fibrosis
#8
Jonathan H Chung, Christian W Cox, Steven M Montner, Ayodeji Adegunsoye, Justin M Oldham, Aliya N Husain, Rekha Vij, Imre Noth, David A Lynch, Mary E Strek
OBJECTIVE: A substantial proportion of cases of usual interstitial pneumonia (UIP) are due to connective tissue disease (CTD)-associated interstitial lung disease (ILD). The purpose of this study was to determine whether specific CT findings can help differentiate a UIP pattern of CTD-ILD from a UIP pattern of idiopathic pulmonary fibrosis (IPF) and whether these signs are associated with survival. MATERIALS AND METHODS: Adults visiting an ILD clinic from 2006 to 2015 enrolled in a research registry with a multidisciplinary diagnosis of CTD-ILD or IPF and a UIP pattern at high-resolution CT were included in the study...
November 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29139354/-idiopathic-pulmonary-fibrosis-is-an-overlooked-disease
#9
EDITORIAL
Elisabeth Bendstrup, Sissel Kronborg-White, Thomas Skovhus Prior, Janne Møller, Charlotte Hyldgaard
Idiopathic pulmonary fibrosis is a chronic, progressive and fatal disease which primarily occurs in male patients over 60 years with a smoking history. Cryobiopsy is a new promising method for obtaining lung tissue for histologic analysis with fewer complications than surgical lung biopsy. Cryobiopsy allows more patients to be diagnosed. Antifibrotic treatment has shown to decrease progression and prolong survival time in both early and later stages of the disease. Early diagnosis and treatment are therefore of great importance to prevent disease progression and reduce mortality...
November 13, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29139195/phenotypic-characteristics-associated-with-slow-gait-speed-in-idiopathic-pulmonary-fibrosis
#10
Claire M Nolan, Matthew Maddocks, Toby M Maher, Jane L Canavan, Sarah E Jones, Ruth E Barker, Suhani Patel, Joseph Jacob, Paul Cullinan, William D-C Man
BACKGROUND AND OBJECTIVE: Usual gait speed over 4 m (4MGS) is an established functional performance measure in older adults that consistently predicts adverse health outcomes, but few data exist in idiopathic pulmonary fibrosis (IPF). We assessed the reliability of 4MGS, its relationship with established outcome measures and its responsiveness to pulmonary rehabilitation. METHODS: In four prospective IPF cohorts, 4MGS inter-observer (n = 46) and test-retest (n = 46) reliability, concurrent validity (n = 65 and n = 62) and responsiveness (n = 60) were determined...
November 14, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/29138212/bax-inhibiting-peptide-attenuates-bleomycin-induced-lung-injury-in-mice
#11
Kunihiro Suzuki, Toyoshi Yanagihara, Tetsuya Yokoyama, Takashige Maeyama, Saiko Ogata-Suetsugu, Masako Arimura-Omori, Hironori Mikumo, Naoki Hamada, Eiji Harada, Kazuyoshi Kuwano, Taishi Harada, Yoichi Nakanishi
Rationale: Bax is a pro-apoptotic member of the Bcl-2 family of proteins, and plays a central role in mitochondria-dependent apoptosis. Several lines of evidence have implied that Bax is involved in both epithelial apoptosis and fibroblast proliferation in idiopathic pulmonary fibrosis; however, the mechanisms remain unknown. Bax-inhibiting peptide V5 (BIP-V5) exhibits membrane permeability and inhibits the activation of Bax.Objective: The purpose of this study was to investigate whether the control of Bax activity by BIP-V5 reduces the degree of bleomycin-induced lung injury...
November 14, 2017: Biology Open
https://www.readbyqxmd.com/read/29135404/-bilateral-total-lung-lavage-in-a-patient-with-pulmonary-alveolar-proteinosis
#12
Müge Erbay, Yılmaz Bülbül, Funda Öztuna, Mehmet Kılıç, Neslihan Özçelik, Şafak Ersöz
Pulmonary alveolar proteinosis (PAP) is a rare pulmonary disease characterised by alveolar accumulation of surfactant composed of proteins and lipids. Three main categories of PAP have been defined depending on the aetiology: primer/idiopathic, neonatal/congenital, secondary and exogenous/environmental exposure. Radiologically diffuse ground glass opacities, interlobular and intralobular septal thickening is seen. Although open lung biopsy is accepted as the gold standard in diagnosis, it can be diagnosed by showing bronchoalveolar lavage (BAL) fluid with a milky appearance and periodic acid-schiff (PAS) positive globules in biopsy with clinical and radiological findings...
September 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/29135402/-schistosomiasis-and-pulmonary-hypertension
#13
Nazan Şen
Schistosomiasis is one of the most prevelant parazitic diseases in the world. It is endemic in more than 70 countries, and more than 200 million people worldwide are infected with Schistosoma. Pulmonary hypertension (PHT) is one of the chronic complications of schistosomiasis. The exact pathogenesis of schistosomiasis-associated pulmonary hypertension (S-PHT) remains unclear, although several mechanisms such as parazitic arterial embolisation, pulmonary arteriopathy, and portopulmonary hypertension have been suggested...
September 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/29135399/-investigation-of-parameters-related-to-prognosis-in-diffuse-parenchymal-lung-diseases-prognosis-in-interstitial-lung-diseases
#14
Coşkun Canıvar, Züleyha Bingöl, Zeki Kılıçaslan, Tülin Çağatay, N Gülfer Okumuş
Introduction: Parameters related to prognosis in diffuse parenchymal lung disease (DPLD) have a decisive influence on treatment and follow-up processes. We aimed to define baseline characteristics and factors that effect the mortality of the group of patients with DPLD and to determine distinctions between subgroups. Materials and Methods: Demographic characteristics, complaints, comorbidity, treatment, pulmonary function tests, echocardiographic findings, six minute walking test (6MWT), arterial blood gases analysis, radiological findings and survival time were collected from outpatient clinics database...
September 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/29133080/population-pharmacokinetics-of-nintedanib-in-patients-with-idiopathic-pulmonary-fibrosis
#15
Ulrike Schmid, Christiane Doege, Claudia Dallinger, Matthias Freiwald
BACKGROUND: Nintedanib is a potent intracellular inhibitor of tyrosine kinases, including the receptor kinases vascular endothelial growth factor, platelet-derived growth factor and fibroblast growth factor. A previous model assessed the population pharmacokinetics of nintedanib and its main metabolite BIBF 1202 in patients with non-small cell lung cancer and idiopathic pulmonary fibrosis (IPF). The objective of this analysis was to further characterise the population pharmacokinetics of nintedanib in patients with IPF by including data from the Phase III trials...
November 10, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29130562/the-prognostic-significance-of-pneumothorax-in-patients-with-idiopathic-pulmonary-fibrosis
#16
Koji Nishimoto, Tomoyuki Fujisawa, Katsuhiro Yoshimura, Yasunori Enomoto, Noriyuki Enomoto, Yutaro Nakamura, Naoki Inui, Hiromitsu Sumikawa, Takeshi Johkoh, Thomas V Colby, Takafumi Suda
BACKGROUND AND OBJECTIVE: Pneumothorax is a co-morbidity in patients with idiopathic pulmonary fibrosis (IPF). However, its incidence, risk factors and prognostic significance in IPF remain unclear. The aim of this study was to clarify the incidence and prognostic significance of pneumothorax in patients with IPF, and to further investigate the risk factors for its onset. METHODS: Eighty-four consecutive patients with IPF based on the consensus guideline were included in this study...
November 12, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/29129842/association-of-perioperative-redox-balance-on-long-term-outcome-in-patients-undergoing-lung-resection
#17
Osamu Araki, Yuji Matsumura, Takashi Inoue, Yoko Karube, Sumiko Maeda, Satoru Kobayashi, Masayuki Chida
PURPOSE: We examined whether redox balance during the perioperative period is associated with long-term survival of patients after undergoing lung resection. METHODS: Patients who underwent surgery for lung cancer from January to June 2013 at our institution were investigated. Serum was collected during the operation, and on postoperative day (POD) 3 and 7, and the levels of derivatives of reactive oxygen metabolites (d-ROMs) and biologic antioxidant potential (BAP) were measured...
November 10, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29128012/noninfectious-acute-lung-injury-syndromes-early-after-hematopoietic-stem-cell-transplantation
#18
REVIEW
Vivek N Ahya
Noninfectious acute lung injury syndromes are major causes of respiratory failure and early mortality after hematopoietic stem cell transplantation (HSCT). Pulmonary edema and transfusion-related acute lung injuries are important respiratory complications seen after HSCT and in the nontransplant setting. Early transplant-specific causes of lung injury, such as idiopathic pneumonia syndrome, are reviewed. Several complications, such as drug-induced pneumonitis and cryptogenic organizing pneumonia, that occur in both the early and later time periods after HSCT are also briefly discussed...
December 2017: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/29126829/palliative-care-in-diffuse-interstitial-lund-disease-results-of-a-spanish-survey
#19
Silvia Barril, Ana Alonso, José Antonio Rodríguez-Portal, Margarita Viladot, Jordi Giner, Francisco Aparicio, Ana Romero-Ortiz, Orlando Acosta, Diego Castillo
INTRODUCTION: Interstitial lung diseases (ILD) and, in particular, idiopathic pulmonary fibrosis, may have a significant impact on patient survival. Recent studies highlight the need for palliative care (PC) in the management of ILD patients. The aim of this study was to determine the current situation of PC in patients in Spain. METHODS: A 36-question survey addressing the main aspects of PC in ILD patients was designed. The survey was sent via email to all members of the Spanish Society of Pulmonology and Thoracic Surgery...
November 7, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/29125826/lysyl-oxidases-regulate-fibrillar-collagen-remodelling-in-idiopathic-pulmonary-fibrosis
#20
Gavin Tjin, Eric S White, Alen Faiz, Delphine Sicard, Daniel J Tschumperlin, Annabelle Mahar, Eleanor P W Kable, Janette K Burgess
Idiopathic pulmonary fibrosis (IPF) is a progressive scarring disease of the lung with few effective therapeutic options. Structural remodelling of the extracellular matrix [i.e. collagen cross-linking mediated by the lysyl oxidase (LO) family of enzymes (LOX, LOXL1-4)] might contribute to disease pathogenesis and represent a therapeutic target. This study aimed to further our understanding of the mechanisms by which LO inhibitors might improve lung fibrosis. Lung tissues from IPF and non-IPF subjects were examined for collagen structure (second harmonic generation imaging) and LO gene (microarray analysis) and protein (immunohistochemistry and western blotting) levels...
November 1, 2017: Disease Models & Mechanisms
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