by Delthia Ricks, Medical Xpress In vitro characterization of in vivo / ex vivo-derived 4T1 metastatic cell lines. (A) Schematic representation of the procedure used to generate the 4T1-BM2 metastatic cell line. (N=2, n=10). (B) Lung and brain metastatic clones of 4T1-T2, 4T1-LM2 and 4T1-BM2 cells orthotopically injected in BALB/c mice. N=2-3, n=8-10. (C) Macroscopic...