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Respiratory disease

Denise F R Rawcliffe, Lennart Österman, Hans Lindsten, Monica Holmberg
Hereditary myopathy with lactic acidosis (HML) is an autosomal recessive disease caused by an intronic one-base mutation in the iron-sulfur cluster assembly (ISCU) gene, resulting in aberrant splicing. The incorrectly spliced transcripts contain a 100 or 86 bp intron sequence encoding a non-functional ISCU protein, which leads to defects in several Fe-S containing proteins in the respiratory chain and the TCA cycle. The symptoms in HML are restricted to skeletal muscle, and it has been proposed that this effect is due to higher levels of incorrectly spliced ISCU in skeletal muscle compared with other energy-demanding tissues...
2016: PloS One
Fernando J Martinez, David Mannino, Nancy Kline Leidy, Karen G Malley, Elizabeth D Bacci, R Graham Barr, Russ P Bowler, MeiLan K Han, Julia F Houfek, Barry Make, Catherine A Meldrum, Stephen Rennard, Byron Thomashow, John Walsh, Barbara P Yawn
OBJECTIVE: Develop a method for identifying undiagnosed COPD requiring treatment with currently available therapies (FEV1 <60% predicted and/or exacerbation risk). METHODS: Multi-site, cross-sectional, case-control study in U.S. pulmonary and primary care clinics that recruited subjects from primary care settings. CASES: COPD and ≥ 1 exacerbation past year or FEV1 <60% predicted without exacerbation past year. CONTROLS: No COPD or mild COPD (FEV1 ≥ 60% predicted, no exacerbation past year)...
October 26, 2016: American Journal of Respiratory and Critical Care Medicine
Michael P Platt, Christopher D Brook, Jacob Kuperstock, John H Krouse
IgE-mediated allergy plays a well-established role in both nasal and pulmonary diseases due to the common epithelium and shared mediator responses of the upper and lower airways. This "unified airway" concept has also been described in other sites within the head and neck that contain similar respiratory mucosa: the middle ear and the larynx. This review will highlight the data suggesting a role for IgE-mediated allergic disease in chronic laryngopharyngeal and middle ear disease and the role for allergy testing to aid in diagnosis and treatment of these disorders...
October 2016: Current Allergy and Asthma Reports
Paola Cipriani, Onorina Berardicurti, Francesco Masedu, Francesca D'Onofrio, Luca Navarini, Piero Ruscitti, Nicola Maruotti, Domenico Paolo Emanuele Margiotta, Vasiliki Liakouli, Paola Di Benedetto, Francesco Carubbi, Marco Valenti, Francesco Paolo Cantatore, Antonella Afeltra, Roberto Giacomelli
Since the introduction of biologics, many concerns about the increased risk of infections have been reported and, to date, the real impact of infections on the daily practice in the rheumatologic centers is still largely unknown. In this work, we evaluated the infection rates associated with the use of biologics in a large cohort of patients. A prospective study, between January 2010 and December 2013, enrolling 731 rheumatic patients, was performed. Demographic and disease characteristics, therapies, comorbidities, and infectious events were recorded and statistically analyzed by multivariate analysis...
October 25, 2016: Clinical Rheumatology
Elena Lopez-Rodriguez, Gemma Gay-Jordi, Adele Mucci, Nico Lachmann, Anna Serrano-Mollar
Lung surfactant is a complex mixture of lipids and proteins lining the alveolar epithelium. At the air-liquid interface, surfactant lowers surface tension, avoiding alveolar collapse and reducing the work of breathing. The essential role of lung surfactant in breathing and therefore in life, is highlighted by surfactant deficiency in premature neonates, which causes neonatal respiratory distress syndrome and results in early death after birth. In addition, defects in surfactant metabolism alter lung homeostasis and lead to disease...
October 25, 2016: Cell and Tissue Research
Alfonse T Masi, Azeem A Rehman, Laura C Jorgenson, Jean C Aldag
OBJECTIVES: This study aimed to critically investigate all-cause and major-cause mortality of incident rheumatoid arthritis (RA) cases versus matched non-RA comparison (CN) subjects in a long-term prospective cohort. METHODS: Baseline 1974 cohort entry demographic and serum biomarker data on 54 incident RA patients and 216 matched CN subjects were related to their mortality from 1995 through 2015. Mortality of RA patients was also analysed by 3 categories of course responses to therapy assigned by the sole community rheumatologist in 1995 (19 good, 23 fair, and 12 limited)...
October 26, 2016: Clinical and Experimental Rheumatology
Ronan F O'Toole, Shakti D Shukla, Eugene H Walters
Expression of the platelet-activating factor receptor is upregulated in the respiratory epithelium of smokers and chronic obstructive pulmonary disease patients. We have recently determined that increased expression of PAFr correlates with higher levels of adhesion to human bronchial epithelial cells by non-typable Haemophilus influenzae and Streptococcus pneumoniae which are major bacterial pathogens in acute exacerbations of COPD. In addition, we found that a PAFr antagonist decreased the adhesion of both respiratory bacterial pathogens to non-cigarette exposure control levels...
October 26, 2016: Journal of Translational Medicine
Yang He, Qu Wen, Fangfang Yao, Dong Xu, Yuancheng Huang, Junshuai Wang
Gut microbiota interacts with host immune system in ways that influence the development of disease. Advances in respiratory immune system also broaden our knowledge of the interaction between host and microbiome in the lung. Increasing evidence indicated the intimate relationship between the gastrointestinal tract and respiratory tract. Exacerbations of chronic gut and lung disease have been shown to share key conceptual features with the disorder and dysregulation of the microbial ecosystem. In this review, we discuss the impact of gut and lung microbiota on disease exacerbation and progression, and the recent understanding of the immunological link between the gut and the lung, the gut-lung axis...
October 26, 2016: Critical Reviews in Microbiology
Yukihiro Yoshimura, Nobuyuki Miyata, Makiko Miyajima, Yohei Sakamoto, Yuichiro Amano, Natsuo Tachikawa
The number of patients returning from or staying abroad is likely to increase in the future. We performed a retrospective study of patients returning from abroad in our travel clinic in Japan. All patients presenting within 6 months of traveling abroad between 2004 and 2014 were included in the present study. A total of 2374 (mean age, 35 years) patients were seen by doctors specializing in treating infectious diseases. Of these, 918 were females and 87 of them lived abroad. Diagnoses and exposure regions were recorded for all patients...
October 22, 2016: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
M K Win, A Chow, H J Ho, S Y Tay, Y S Leo
Since the emergence of Middle East respiratory syndrome coronavirus (MERS-CoV), Singapore has enhanced its national surveillance system to detect the potential importation of this novel pathogen. Using the guidelines from the Singapore Ministry of Health, a suspect case was defined as a person with clinical signs and symptoms suggestive of pneumonia or severe respiratory infection with breathlessness, and with an epidemiological link to countries where MERS-CoV cases had been reported within the preceding 14 days...
October 26, 2016: Epidemiology and Infection
Deepthi Alapati, Edward E Morrisey
While our understanding of the genetics and pathology of congenital lung diseases such as surfactant protein deficiency, cystic fibrosis and alpha 1 antitrypsin deficiency is extensive, treatment options are lacking. Since the lung is a barrier organ in direct communication with the external environment, targeted delivery of gene corrective technologies to the respiratory system via intra-tracheal or intranasal routes is an attractive option for therapy. CRISPR/Cas9 gene editing technology is a promising approach to repair or inactivate disease causing mutations...
October 25, 2016: American Journal of Respiratory Cell and Molecular Biology
Jennifer R Honda, Nabeeh A Hasan, Rebecca M Davidson, Myra D Williams, L Elaine Epperson, Paul R Reynolds, Terry Smith, Elena Iakhiaeva, Matthew J Bankowski, Richard J Wallace, Edward D Chan, Joseph O Falkinham, Michael Strong
Lung disease caused by nontuberculous mycobacteria (NTM) is an emerging infectious disease of global significance. Epidemiologic studies have shown the Hawaiian Islands have the highest prevalence of NTM lung infections in the United States. However, potential environmental reservoirs and species diversity have not been characterized. In this cross-sectional study, we describe molecular and phylogenetic comparisons of NTM isolated from 172 household plumbing biofilms and soil samples from 62 non-patient households and 15 respiratory specimens...
October 2016: PLoS Neglected Tropical Diseases
Małgorzata Sadkowska-Todys, Andrzej Zieliński, Mirosław P Czarkowski
PURPOSE of the STUDY: The aim of the study is to assess epidemiological situation of infectious and parasitic diseases in Poland in 2014, and an indication of the potential health risks from communicable diseases occurring in other areas of the globe. MATERIAL AND METHODS: This paper is a summary of the analysis and evaluation of the results of epidemiological surveillance of infectious diseases in Poland in 2014, and those elements of European and global epidemiological background, which in this period had an impact on the epidemiological situation in Poland or constituted a threat...
2016: Przegla̧d Epidemiologiczny
Cristina Jácome, Alda Marques
PURPOSE: Pulmonary rehabilitation (PR) is effective in patients with moderate to severe chronic obstructive pulmonary disease (COPD). However, the effects of PR in patients with mild COPD have not yet been established. Thus, this study investigated the short- and long-term effects of PR in patients with mild COPD in comparison with patients with moderate to severe disease. METHODS: A total of 32 patients with mild (group 1) and 29 with moderate to severe (group 2) COPD completed the study...
November 2016: Journal of Cardiopulmonary Rehabilitation and Prevention
Inmaculada Doña, María Salas, James R Perkins, Esther Barrionuevo, Francesco Gaeta, Jose A Cornejo-García, Paloma Campo, Maria José Torres
Non-steroidal anti-inflammatory drugs (NSAIDs) are one of the leading causes of hypersensitivity reactions to drugs, and they are classified in two groups: those induced by non-specific immunological mechanisms (non-allergic or cross-intolerance (CI) reactions), or by specific immunological mechanisms (allergic or selective reactions (SR)). The pathogenesis of CI is associated with their pharmacological activity (COX-1 inhibition), with symptoms due to an imbalance in the arachidonic acid pathway, independently of their chemical structure...
September 28, 2016: Current Pharmaceutical Design
Raquel Barbosa-Lorenzo, Alberto Ruano-Ravina, Rebeca Ramis, Nuria Aragonés, Karl T Kelsey, Consuelo Carballeira Roca, Alberto Fernández-Villar, Gonzalo López-Abente, Juan M Barros-Dios
PURPOSE: Radon is a human lung carcinogen but it might be linked with other respiratory diseases. We aimed to assess the relationship between residential radon exposure and COPD (Chronic Obstructive Pulmonary Disease) prevalence and hospital admissions at a municipal level. MATERIALS AND METHODS: We designed an ecological study where we included those municipalities with at least 3 radon measurements. Using mixed Poisson regression models we calculated the relative risk (RR) for COPD for each 100 Bq/m(3) of increase in radon concentration and also the relative risk for COPD using a cutpoint of 50 Bq/m(3)...
October 25, 2016: International Journal of Radiation Biology
Eleonora Farinella, Adonis Safar, Haydar A Nasser, Fikri Bouazza, Gabriele Liberale, Marianne Paesmans, Raphael Marechal, Jean-Luc Van Laethem, Alain Hendlisz, Paul VanHoutte, Issam El Nakadi
BACKGROUND: Definitive radiochemotherapy (dRCT) in locally advanced esophageal cancer is associated with a high rate of loco-regional recurrence. In this condition, salvage esophagectomy may be considered as a therapeutic option. The aim of this analysis is to evaluate the feasibility and the morbi-mortality of this strategy. METHODS: Between January 2006 and April 2014, 208 patients underwent esophagectomy for esophageal cancer at ULB-Erasme-Bordet. Thirty-two patients received a preoperative radiochemotherapy (pRCT) followed by planned esophagectomy (Group 1) for locally advanced disease...
October 25, 2016: Journal of Surgical Oncology
Shao-Hua Xie, Jesper Lagergren
The Chinese famine in 1958-1962 was one of the worst in human history, but its potential influence on cancer risks is uncertain. Using cancer incidence data in Shanghai, China, during 1983-2007, we calculated age-specific incidence rates of gastrointestinal cancers in birth cohorts exposed to the Chinese famine in different periods of life and a non-exposed reference cohort. Age-period-cohort regressions estimated the overall relative risks of gastrointestinal cancers in each birth cohort. A total of 212,098 new cases of gastrointestinal cancer were identified during the study period (129,233 males and 82,865 females), among whom 18,146 had esophageal cancer, 71,011 gastric cancer, 55,864 colorectal cancer, 42,751 liver cancer, 9,382 gallbladder cancer, and 14,944 had pancreatic cancer...
October 25, 2016: International Journal of Cancer. Journal International du Cancer
Hasan M Al-Dorzi, Abdulaziz S Aldawood, Raymond Khan, Salim Baharoon, John D Alchin, Amal A Matroud, Sameera M Al Johany, Hanan H Balkhy, Yaseen M Arabi
BACKGROUND: Middle East respiratory syndrome coronavirus (MERS-CoV) has caused several hospital outbreaks, including a major outbreak at King Abdulaziz Medical City, a 940-bed tertiary-care hospital in Riyadh, Saudi Arabia (August-September 2015). To learn from our experience, we described the critical care response to the outbreak. METHODS: This observational study was conducted at the Intensive Care Department which covered 5 ICUs with 60 single-bedded rooms. We described qualitatively and, as applicable, quantitatively the response of intensive care services to the outbreak...
December 2016: Annals of Intensive Care
Xiu-Li Zheng, Yu Yang, Bao-Jia Wang, Ju Wang, Hong-Qu Tang
OBJECTIVE: To investigate the mechanism of the Chinese medicine theory that Fei (Lung) and Dachang (Large Intestine) are exteriorly and interiorly related via synchronous observation on the dynamic changes of the respiratory and intestinal microflora. METHODS: Forty specific pathogen free Sprague-Dawley rats were selected and randomly divided into blank (10 rats) and chronic bronchitis model groups (30 rats). The blank group rats were put into the smoke-free environment and the model group rats were put into the smoke environment in order to establish pulmonary disease (chronic bronchitis) model...
October 24, 2016: Chinese Journal of Integrative Medicine
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