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L'essentiel de la littérature réçente en Pneumologie

Dans cette rubrique on vous propose une revue de la littérature à travers une sélection d'abstracts d'articles originaux.
On essaiera de vous tenir informé des dernières nouveautés de recherche en matière de Pneumologie. On ne vous fournit que le résumé de l'article et le lien correspondant, pour accéder à l'article en full text vous devez être inscrits à la revue correspondante.
Cliquez ici pour consulter la liste des revues de Pneumologie disponibles en libre accès.

Gene editing as a promising approach for respiratory diseases. Imprimer Envoyer
Lundi, 08 Janvier 2018 06:57
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Gene editing as a promising approach for respiratory diseases.

J Med Genet. 2018 Jan 04;:

Authors: Bai Y, Liu Y, Su Z, Ma Y, Ren C, Zhao R, Ji HL

Respiratory diseases, which are leading causes of mortality and morbidity in the world, are dysfunctions of the nasopharynx, the trachea, the bronchus, the lung and the pleural cavity. Symptoms of chronic respiratory diseases, such as cough, sneezing and difficulty breathing, may seriously affect the productivity, sleep quality and physical and mental well-being of patients, and patients with acute respiratory diseases may have difficulty breathing, anoxia and even life-threatening respiratory failure. Respiratory diseases are generally heterogeneous, with multifaceted causes including smoking, ageing, air pollution, infection and gene mutations. Clinically, a single pulmonary disease can exhibit more than one phenotype or coexist with multiple organ disorders. To correct abnormal function or repair injured respiratory tissues, one of the most promising techniques is to correct mutated genes by gene editing, as some gene mutations have been clearly demonstrated to be associated with genetic or heterogeneous respiratory diseases. Zinc finger nucleases (ZFN), transcription activator-like effector nucleases (TALEN) and clustered regulatory interspaced short palindromic repeats/CRISPR-associated protein 9 (CRISPR/Cas9) systems are three innovative gene editing technologies developed recently. In this short review, we have summarised the structure and operating principles of the ZFNs, TALENs and CRISPR/Cas9 systems and their preclinical and clinical applications in respiratory diseases.

PMID: 29301855 [PubMed - as supplied by publisher]

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Fungi in Bronchiectasis: A Concise Review. Imprimer Envoyer
Lundi, 08 Janvier 2018 06:57
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Fungi in Bronchiectasis: A Concise Review.

Int J Mol Sci. 2018 Jan 04;19(1):

Authors: Máiz L, Nieto R, Cantón R, Gómez G de la Pedrosa E, Martinez-García MÁ

Although the spectrum of fungal pathology has been studied extensively in immunosuppressed patients, little is known about the epidemiology, risk factors, and management of fungal infections in chronic pulmonary diseases like bronchiectasis. In bronchiectasis patients, deteriorated mucociliary clearance-generally due to prior colonization by bacterial pathogens-and thick mucosity propitiate, the persistence of fungal spores in the respiratory tract. The most prevalent fungi in these patients are Candida albicans and Aspergillus fumigatus; these are almost always isolated with bacterial pathogens like Haemophillus influenzae and Pseudomonas aeruginosa, making very difficult to define their clinical significance. Analysis of the mycobiome enables us to detect a greater diversity of microorganisms than with conventional cultures. The results have shown a reduced fungal diversity in most chronic respiratory diseases, and that this finding correlates with poorer lung function. Increased knowledge of both the mycobiome and the complex interactions between the fungal, viral, and bacterial microbiota, including mycobacteria, will further our understanding of the mycobiome's relationship with the pathogeny of bronchiectasis and the development of innovative therapies to combat it.

PMID: 29300314 [PubMed - in process]

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The relationship of depression in asthma-chronic obstructive pulmonary disease overlap syndrome. Imprimer Envoyer
Lundi, 08 Janvier 2018 06:57
Related Articles

The relationship of depression in asthma-chronic obstructive pulmonary disease overlap syndrome.

PLoS One. 2017;12(12):e0188017

Authors: Yeh JJ, Lin CL, Hsu WH, Kao CH

PURPOSE: To clarify the relationship between asthma-chronic obstructive pulmonary disease overlap syndrome (ACOS) and depression.
METHODS: We identified 10,911 patients who received an ACOS diagnosis and concurrent treatment between January 2000 and December 2009. Subjects without ACOS were included in the non-ACOS cohort (n = 10,911). Cox proportional hazard regression analysis was performed to compare the risk of depression between the ACOS and non-ACOS cohorts.
RESULTS: The risk of depression was higher in the ACOS cohort than in the non-ACOS cohort (adjusted hazard ratios (aHRs) = 1.67, 95% confidence interval [CI] = 1.48-1.88). In the ACOS cohort, the aHRs for depression were [2.44 (95% CI = 1.45-4.11); 2.36 (95% CI = 1.58-3.52)] in patients [aged 20-39 years; without comorbidity]. In the ACOS cohort, the aHRs for depression were 1.70 (95% CI = 1.51-1.93) and 1.84 (95% CI = 1.55-2.19) in patients without inhaled corticosteroids (ICSs) and oral steroids (OSs) use, respectively. Moreover, the aHRs for the risk of depression were 1.16 (95% CI = 0.95-1.41) and 1.12 (95% CI = 0.96-1.29) in patients with ICSs and OSs use, respectively.
CONCLUSION: The risk of depression is higher in ACOS patients, even in those without comorbidities or in young adults. The events of the depression were not significant difference in patients receiving the ICSs/OSs between the ACOS and the non-ACOS cohorts.

PMID: 29232717 [PubMed - indexed for MEDLINE]

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