Plasmacytoid dendritic cells drive acute exacerbations of asthma

Although acute exacerbations, mostly triggered by viruses, account for the majority of hospitalizations in asthma, there is still very little known about the pathophysiological mechanisms involved. Plasmacytoid DCs (pDCs), prominent cells of antiviral immunity, exhibit pro-inflammatory or tolerogenic functions depending on the context, yet their involvement in asthma exacerbations remains unexplored.

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