Abstract
The risk of developing anaphylactic reactions to medications introduces additional difficulties for effective pharmacotherapy. Using a model of systemic anaphylaxis in mice, we showed that preventive administration of a preparation containing technologically processed antibodies (TPA) to MHC II induces an anti-anaphylactic effect comparable to that of dexamethasone (when assessing the severity of systemic anaphylaxis 30 and 60 min after challenge injection of the model antigen ovalbumin). The revealed activity may be related to the ability of TPA to MHC II to regulate the antigen presentation system and shift the immune response towards the production of IgG instead of IgE typical of anaphylactic reaction.
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