Role of natriuretic peptide signaling in modulating asthma and inflammation

Author: Mohapatra, Shyam S.

Source: Canadian Journal of Physiology and Pharmacology, Volume 85, Number 7, July 2007 , pp. 754-759(6)

Publisher: NRC Research Press

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Abstract:

Atrial natriuretic peptide (ANP), the C-terminal peptide comprising residues 99-126 of the pro-ANP hormone, has been studied for 3 decades for its cardiovascular effects. Recent reports suggest that it plays a significant role in modulation of the immune system. Immune cells, including macrophages, dendritic cells, and T lymphocytes, express receptors for ANP. ANP plays a significant role in shaping the early immune response to environmental antigens and may play a critical role in the interaction between cells of the innate and adaptive immune systems; it also appears to be involved in polarizing the immune response to allergens. Thus, ability to alter the magnitude of natriuretic peptide receptor A (NPRA) signaling could be exploited to develop therapeutics for several allergic diseases, including asthma. This report will review and critically evaluate the role of the ANP pathway in asthma and inflammation.

Le peptide natriurétique auriculaire (ANP), le peptide C-terminal comprenant les résidus 99-126 de l'hormone pro-ANP, a été étudié pendant trois décennies pour ses effets cardiovasculaires. De récents articles donnent à penser qu'il joue un rôle important dans la modulation du système immunitaire. Les cellules immunitaires, telles que les macrophages, les cellules dendritiques et les lymphocytes T, expriment des récepteurs de l'ANP. L'ANP joue aussi un rôle important en influençant les réponses immunitaires précoces aux antigènes environnementaux et pourrait jouer un rôle primordial dans l'interaction entre les cellules de la réponse immunitaire innée et adaptative; elle semble de plus participer à la polarisation de la réponse immunitaire aux allergènes. Ainsi, la capacité de modifier l'amplitude de la signalisation du NPRA pourrait être exploitée pour mettre au point des stratégies thérapeutiques pour traiter plusieurs maladies allergiques, y compris l'asthme. Cet article présentera une synthèse et une évaluation critique du rôle de la voie de l'ANP dans l'asthme et l'inflammation.

Document Type: Research article

Publication date: 2007-07-01

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