Results 31 to 40 of about 166,649 (285)

New Spirometry Indices for Detecting Mild Airflow Obstruction. [PDF]

open access: yes, 2018
The diagnosis of chronic obstructive pulmonary disease (COPD) relies on demonstration of airflow obstruction. Traditional spirometric indices miss a number of subjects with respiratory symptoms or structural lung disease on imaging.
Barjaktarevic, Igor   +13 more
core   +2 more sources

The tobacco-specific carcinogen-operated calcium channel promotes lung tumorigenesis via IGF2 exocytosis in lung epithelial cells

open access: yesNature Communications, 2016
The binding of tobacco-specific carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) to nicotinic acetylcholine receptors (nAChRs) induces calcium signalling.
Hye-Jin Boo   +14 more
doaj   +1 more source

Differentiating Smoking-Related Interstitial Fibrosis (SRIF) from Usual Interstitial Pneumonia (UIP) with Emphysema Using CT Features Based on Pathologically Proven Cases. [PDF]

open access: yesPLoS ONE, 2016
To differentiate smoking-related interstitial fibrosis (SRIF) from usual interstitial pneumonia (UIP) with emphysema on CT in combined pulmonary fibrosis and emphysema (CPFE) patients.This study was approved by the institutional review board and informed
Kum Ju Chae   +7 more
doaj   +1 more source

Attitudes and access to lung volume reduction surgery for COPD: a survey by the British Thoracic Society. [PDF]

open access: yes, 2014
OBJECTIVE: Lung volume reduction surgery for emphysema leads to improved survival in appropriately selected individuals, and it is therefore recommended in national and international guidelines for this group of patients.
Hopkinson, NS, Jordan, S, McNulty, W
core   +1 more source

Current concepts on the role of inflammation in COPD and lung cancer [PDF]

open access: yes, 2009
Chronic obstructive pulmonary disease (COPD) and lung cancer are leading cause of death, and both are associated with cigarette smoke exposure. It has been shown that 50–70% of patients diagnosed with lung cancer suffer from COPD, and reduced lung ...
Abdel-Aziz   +51 more
core   +1 more source

S100A14: A novel negative regulator of cancer stemness and immune evasion by inhibiting STAT3‐mediated programmed death‐ligand 1 expression in colorectal cancer

open access: yesClinical and Translational Medicine, 2022
Background Programmed death‐ligand 1 (PD‐L1) has functional roles in cancer stem‐like cell (CSC) phenotypes and chemoresistance besides immune evasion.
Hye‐Young Min   +14 more
doaj   +1 more source

Current concepts on oxidative/carbonyl stress, inflammation and epigenetics in pathogenesis of chronic obstructive pulmonary disease [PDF]

open access: yes, 2011
Chronic obstructive pulmonary disease (COPD) is a global health problem, and current therapy for COPD is poorly effective and the mainstays of pharmacotherapy are bronchodilators.
Adenuga   +230 more
core   +1 more source

Tumor‐Derived Alpha‐1 Antitrypsin Promotes Liver Metastasis of Colorectal Cancer Through the Neutrophil Extracellular Traps–CCDC25 Pathway

open access: yesAdvanced Science, EarlyView.
ABSTRACT Liver metastasis is a leading cause of mortality in colorectal cancer (CRC), where the inflammatory tumor microenvironment, specifically neutrophil infiltration, significantly promotes metastatic colonization. This study reveals a pro‐metastatic role for alpha‐1 antitrypsin (A1AT) in CRC liver metastasis via a dual mechanism involving ...
Qian Fei   +11 more
wiley   +1 more source

The impact of emphysema on surgical outcomes of early-stage lung cancer: a retrospective study

open access: yesBMC Pulmonary Medicine, 2019
Background The presence of emphysema on computed tomography (CT) is associated with an increased frequency of lung cancer, but the postoperative outcomes of patients with pulmonary emphysema are not well known.
Seijiro Sato   +6 more
doaj   +1 more source

Reappraisal of Real‐World Management of Acute Cholecystitis in Elderly Patients Based on the Adherence to Tokyo Guidelines 2018 (TG18): A Multicenter Study on Anzu HPB Surgical Meeting

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
This multicenter retrospective study analyzes real‐world management of acute cholecystitis in patients aged ≥ 70 years across five institutions, focusing on adherence and intentional deviation from TG18 recommendations. By classifying treatment strategies as TG18‐accordant, more aggressive, or more conservative, we reappraise current practice patterns.
Yuta Kobayashi   +7 more
wiley   +1 more source

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