Primary 83,320 KPC cells have previously been isolated from end-stage Pdx1-Cre, LSL-KrasG12D/+, LSL-Trp53R172H/+ KPC mice (27 (link), 29 (link), 35 (link)). Telomerase-immortalized fibroblasts (TIFs) were also generated previously (18 (link), 28 (link), 76 (link)). KPC cells, TIFs, and human embryonic kidney (HEK) 239T cells were maintained in Dulbecco’s modified Eagle’s media (DMEM; high glucose, pyruvate; Gibco) supplemented with 10% fetal bovine serum (FBS; HyClone) and 10 mM Hepes (Gibco). TKCC05 cells were maintained in media consisting of DMEM/Ham’s F12 media (Gibco) supplemented with 7.5% FBS, 10 mM Hepes, 13.3 mM glucose, hydrocortisone (40 ng/ml), insulin (0.1 IU/ml), and human recombinant epidermal growth factor (EGF; 10 ng/ml). TKCC10 cells were maintained in 1:1 M199 media/Ham’s F12 medium (Gibco) supplemented with 7.5% FBS, 15 mM Hepes, 2 mM glutamine, 1× MEM vitamins, apotransferrin (25 ng/ml), insulin (0.2 IU/ml), 6.5 mM glucose, hydrocortisone (40 ng/ml), EGF (20 ng/ml), triiodothyronine (0.5 pg/ml), and O-phosphoryl ethanolamine (2 μg/ml). All cells were cultured in the presence of penicillin-streptomycin (100 U/ml and 100 mg/ml, respectively) and maintained at 37°C and 5% CO2. Experiments were conducted at 20% oxygen in a Heracell 150i CO2/O2 incubator for KPC, TIF, and TKCC05 cell lines and at 5% oxygen for TKCC10 lines. All cell lines were mycoplasma-free.
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