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(A) Smad7 protein under delayed implantation and activation by Western blot; (B) Quantification from data in (A); (C) Smad7 protein in mouse uterus on day 5 of pregnancy by Western blot; (D) Quantification from the data in (C); (E) In situ hybridization of Smad7 mRNA expression in mouse uterus under delayed implantation (Delay) and activation. le: luminal epithelium; myo: myometrium; st: Stroma; *: the implanting blastocyst. Bar = 60 µm.
