TGFB1 and abortion: Moreover, in addition to the treatment of GC‐Exo‐CD16Ab in abortion mice, administration of GC‐Exo‐CD16Ab before LPS treatment and the treatment of TGFβ‐Exo‐CD16Ab in LPS‐challenged mice showed a certain degree of suppression of decidual cell apoptosis and regulated immune homeostasis in vivo (Figures S15–S17, Supporting Information).