Fig. 5From: A Secreted Tumor-Suppressor, mac25, with Activin-Binding Activity Morphology of mac25-treated cells (10 −7 M mac25). (A) Saos-2 cells cultured for 3 days. (B) mac25-treated Saos-2 cells. (C) HeLa cells. (D) mac25-treated HeLa cells. (E) P19 cells. (F) No viable P19 cells were observed after treatment with mac25 for 3 days. Cells were photographed at 100 × magnification.Back to article page