Human lung cancer cells (H460, H1703, A549, and H358) were purchased from the Korean Cell Line Bank (Seoul, Korea). H1703 cells were cultured in RPMI-1640 (WelGENE, Gyeongsan, Korea) supplemented with 10% FBS (JR Scientific, CA, USA), 1% penicillin/streptomycin solution (WelGENE, Korea), 4500 mg/L d-glucose, 2 mM l-glutamine, and 10 mM HEPES. The other cancer cells were maintained in RPMI-1640 medium containing 10% Fetal Bovine Serum (FBS), 1% antibiotics, and 2.05 mM l-glutamine (Additional files 1, 2).
Docetaxel and orotate (Sigma-Aldrich Inc., MO, USA) were dissolved in DMSO. UMP (Sigma, USA) and uridine (Thermo Fisher Scientific, USA) were dissolved in D.W. SH003 was provided by Hanpoong Pharm and Foods Company (Jeonju, Republic of Korea). The extraction method for SH003 was as previously described [15].
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