Abstract:
:Exacerbations of asthma are the main cause of asthma morbidity. They induce acute respiratory failure, and sometimes death. Two immunological signals acting in synergy are necessary for inducing asthma exacerbations. The first, triggered by allergens and/or unknown agents leads to the chronic Th2 inflammation characteristic of asthma. The second, caused by either viral infection, allergens, pollutants or a combination of these, results in an acute Th1 and Th2 inflammation precipitating symptoms. In both, innate and adaptive immunities are involved, providing a series of potential targets for therapy. Molecules associated to the first, chronic inflammation constitute targets for preventing therapies, when these related to the second, acute signal provide the rationale for curative treatments. Toll like receptors and bronchial epithelial cell-derived cytokines, engaged upstream of inflammation constitute interesting candidates for future treatments. The great heterogeneity of asthma has to be taken into account when considering targets for therapy to identify clusters of responders and nonresponders, and an integrative system biology approach will be necessary to go further.
journal_name
Pharmacol Therjournal_title
Pharmacology & therapeuticsauthors
Botturi K,Langelot M,Lair D,Pipet A,Pain M,Chesne J,Hassoun D,Lacoeuille Y,Cavaillès A,Magnan Adoi
10.1016/j.pharmthera.2011.03.010subject
Has Abstractpub_date
2011-07-01 00:00:00pages
114-29issue
1eissn
0163-7258issn
1879-016Xpii
S0163-7258(11)00076-3journal_volume
131pub_type
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