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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Ann Allergy Asthma Immunol. 2017 Jan;118(1):21–27. doi: 10.1016/j.anai.2016.10.017

Figure 2.

Figure 2

Tolerance is an active immune process. Dendritic cells (DCs) present food antigens to naive T cells, promoting their differentiation into T-regulatory cells (Tregs). These cells secrete interleukin 10 (IL-10) and transforming growth factor β (TGF-β), which suppresses allergic response. IDO indicates indoleamine 2,3-dioxygenease.