alexa Unlocking the allergenic structure of the major house dust mite allergen der f 2 by elimination of key intramolecular interactions.


Journal of Allergy & Therapy

Author(s): Takai T, Ichikawa S, Yokota T, Hatanaka H, Inagaki F,

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Abstract We report on the structural background of the remarkable reduction of allergenicity in engineering of the major house dust mite allergen Der f 2. Disruption of intramolecular disulfide bonds in Der f 2 caused extensive conformational change that was monitored by circular dichroism and gel-filtration analysis. The degree of conformational change correlated well with the degree of reductions in the capacity to bind IgE and to induce histamine release from basophils in mite-allergic patients. Loosening the rigid tertiary structure by elimination of key intramolecular interactions is an effective strategy to reduce the number of high affinity IgE epitopes of allergen vaccine.
This article was published in FEBS Lett and referenced in Journal of Allergy & Therapy

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