Figure 1From: EGF increases expression and activity of PAs in preimplantation rat embryos and their implantation rateImmunolocalization of uPA and tPA in preimplantation developing rat embryos grown in-vitro with and without the presence of 10 ng/ml EGF in the medium. (A, F, K, P), 2-cells. (B, G, L, Q), 4-cells. (C, H, M, R), 8-cells. (D, I, N, S), Morula. (E, J, O, T), Blastocyst. (A-E), uPA -EGF. (F-J), uPA +EGF. (K-O), tPA -EGF. (P-T), tPA +EGF.Back to article page