Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Tumor sphere formation and drug sensitivity. A: Representative image of 4T1 tumor sphere (scale bar=100 μm). B: Numbers of primary and secondary 4T1 tumor spheres (n=3). C: Lapatinib reduced 4T1 tumor sphere formation. D: Inhibitor of activin-like kinase 4/5/7 receptor signaling SB-505124 had no effect on 4T1 tumor sphere formation. Data are presented as the mean±standard error. DMSO: Dimethyl sulfoxide; SFE: Sphere-forming efficiency.
