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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.



Targeting the renin-angiotensin system as novel therapeutic strategy for pulmonary diseases. Imprimer Envoyer
Lundi, 01 Janvier 2018 12:44
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Targeting the renin-angiotensin system as novel therapeutic strategy for pulmonary diseases.

Curr Opin Pharmacol. 2017 Dec 27;40:9-17

Authors: Tan WSD, Liao W, Zhou S, Mei D, Wong WF

Abstract
The renin-angiotensin system (RAS) plays a major role in regulating electrolyte balance and blood pressure. RAS has also been implicated in the regulation of inflammation, proliferation and fibrosis in pulmonary diseases such as asthma, acute lung injury (ALI), chronic obstructive pulmonary disease (COPD), idiopathic pulmonary fibrosis (IPF) and pulmonary arterial hypertension (PAH). Current therapeutics suffer from some drawbacks like steroid resistance, limited efficacies and side effects. Novel intervention is definitely needed to offer optimal therapeutic strategy and clinical outcome. This review compiles and analyses recent investigations targeting RAS for the treatment of inflammatory lung diseases. Inhibition of the upstream angiotensin (Ang) I/Ang II/angiotensin receptor type 1 (AT1R) pathway and activation of the downstream angiotensin-converting enzyme 2 (ACE2)/Ang (1-7)/Mas receptor pathway are two feasible strategies demonstrating efficacies in various pulmonary disease models. More recent studies favor the development of targeting the downstream ACE2/Ang (1-7)/Mas receptor pathway, in which diminazene aceturate, an ACE2 activator, GSK2586881, a recombinant ACE2, and AV0991, a Mas receptor agonist, showed much potential for further development. As the pathogenesis of pulmonary diseases is so complex that RAS modulation may be used alone or in combination with existing drugs like corticosteroids, pirfenidone/nintedanib or endothelin receptor antagonists for different pulmonary diseases. Personalized medicine through genetic screening and phenotyping for angiotensinogen or ACE would aid treatment especially for non-responsive patients. This review serves to provide an update on the latest development in the field of RAS targeting for pulmonary diseases, and offer some insights into future direction.

PMID: 29288933 [PubMed - as supplied by publisher]

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Tuberculosis in the elderly: Why inflammation matters. Imprimer Envoyer
Lundi, 01 Janvier 2018 12:44
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Tuberculosis in the elderly: Why inflammation matters.

Exp Gerontol. 2017 Dec 26;:

Authors: Piergallini TJ, Turner J

Abstract
Growing old is associated with an increase in the basal inflammatory state of an individual and susceptibility to many diseases, including infectious diseases. Evidence is growing to support the concept that inflammation and disease susceptibility in the elderly is linked. Our studies focus on the infectious disease tuberculosis (TB), which is caused by Mycobacterium tuberculosis (M.tb), a pathogen that infects approximately one fourth of the world's population. Aging is a major risk factor for developing TB, and inflammation has been strongly implicated. In this review we will discuss the relationship between inflammation in the lung and susceptibility to develop and succumb to TB in old age. Further understanding of the relationship between inflammation, age, and M.tb will lead to informed decisions about TB prevention and treatment strategies that are uniquely designed for the elderly.

PMID: 29287772 [PubMed - as supplied by publisher]

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Pulmonary arterial hypertension associated with connective tissue diseases: A review focusing on distinctive clinical aspects. Imprimer Envoyer
Lundi, 01 Janvier 2018 12:43
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Pulmonary arterial hypertension associated with connective tissue diseases: A review focusing on distinctive clinical aspects.

Eur J Clin Invest. 2017 Dec 15;:

Authors: Kato M, Atsumi T

Abstract
Recent studies have clarified that pulmonary arterial hypertension associated with connective tissue diseases (CTD-PAH) has some distinctive clinical aspects from other PAH, such as high prevalence, venous and cardiac involvement, less favourable outcome, helpfulness of detection algorithm, response to immunosuppression, pre-PAH conditions in borderline pulmonary arterial pressure and coexistence of interstitial lung disease. In this review, by focusing on these distinctive aspects, we discuss how to provide an efficacious and safe management of CTD-PAH and garner attention to areas where further evidence is desired.

PMID: 29285766 [PubMed - as supplied by publisher]

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