CH3 BioSystems) breast adenocarcinoma cell lines were maintained in
Dulbecco’s modified Eagle medium (DMEM, LM-D1109, Biosera)
and Roswell Park Memorial Institute medium (RPMI-1640, LM-R1637, Biosera),
respectively, and supplemented with 10% fetal bovine serum (FBS, FB-1001H,
Biosera) and 1% antibiotics (A5955, Sigma). Cell lines were preserved
in 5% CO2 at 37 °C. MCA205 fibrosarcoma cells (SCC173,
Millipore) were cultured in RPMI-1640 (LM-R1637, Biosera) containing
2 mM
pyruvate (TMS-005-C, Sigma-Aldrich), 10% FBS (FB-1001H, Biosera),
1× nonessential amino acids (TMS-001-C, Sigma-Aldrich), 1% antibiotics
(A5955, Sigma), and 1× β-mercaptoethanol (ES-007-E, Sigma).