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. 2019 Jan 13;2019:9671206. doi: 10.1155/2019/9671206

Figure 2.

Figure 2

In addition to direct immunosuppressive inhibition, T cells can induce Treg cells under the regulation of MSCs and vice versa. Blue arrow: cytokine secretion, dotted arrow: inhibition of MSCs and Treg, black arrow: positive promotion, and green arrow: differentiation of T cells to Treg.