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. 2021 Oct 29;12:744324. doi: 10.3389/fimmu.2021.744324

Figure 3.

Figure 3

Different mechanisms in pregnancy and transplant tolerance. Pregnancy has a spontaneous tolerance while transplant tolerance is based on suppressive agents. Although there are still many speculated tolerance mechanisms among pregnancy, HLA-G interaction with its receptors may contribute to maternal-fetal interface and reward to organ transplant.