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(A and B) Phase contrast photomicrographs of 3D cultures of either (A) mIMCD cells or (B) ureteric bud (UB) cells grown for 48 hr. The cells were grown in the presence of either 3t3 cell conditioned medium (A—source of HGF) or BSN cell conditioned medium supplemented with 0.5% FBS (Bar = 25 µm). (From ref. 39).
