Figure S1 Analysis of Der P1 (45–145) glycoprotein derived from rice seed.

Figure S2 Southern blot analysis of Der p 1 (45–145) was performed in EcoRI (E)- and HindIII (H)-digested genomic DNA of the non-transgenic control and transgenic rice seeds.

Figure S3 The localization of 13 kD prolamin in the Tg rice seeds was determined by immunohistochemical electron microscopy.

Figure S4 Potential of antigen-specific immune suppression by fed with purified rDer P1 dissolved in PBS.

Figure S5 The production of suppressive cytokine TGF-β and IL-10.

Figure S6 The frequency of CD4+CD25+Foxp3+ regulatory T cells.

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