Nevertheless, when pretreated with LDN57444, an inhibitor of UCHL1 [17], the expression of CXCL12, IL15 and TGF-β in normal DSCs was significantly decreased, as well as their ability to recruit and educate dNKs, which were similar to that of the abortion DSCs (Fig. 1E–H). This evidence concerns the gene TGFB1 and abortion.