Induction of the specific allergic immune response is independent of proteases from the fungus Alternaria alternata.

Last updated on 22-11-2022 by Anonymous (not verified)

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Peer reviewed scientific article



We have analyzed the importance of proteases for the induction of allergic responses against the mold Alternaria alternata. Responses induced in vivo with untreated or heat treated (protease inactivated) extracts were compared in BALB/c, C57BL/6, TLR4 KO, and MyD88 KO mice. In BALB/c mice, both extracts induced similar lung inflammation, upregulation of inflammatory mediators, Th2 cytokines, and Alternaria-specific antibodies. However heat inactivation abrogated polyclonal IgE production. Similar results were obtained in C57BL/6 albeit lung expression of some Th2 mediators was decreased in …

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