HB cell line HUH6 was obtained from Japanese Collection of Research Bioresources Cell Bank (Osaka, Japan). Cells were maintained in Dulbecco’s modified Eagle’s medium (DMEM)-glutaMAX (Gibco) supplemented with 10% FBS (Gibco), 100 U/mL penicillin (Gibco), and 100 μg/mL streptomycin sulfate (Gibco, Waltham, MA, United States). HB cell line HB-243 from patient-derived xenograft (PDX) was provided by XenTech (Evry, France) (Kats et al., 2019 (link)). HB-243 cells were cultured in Advanced DMEM/F12 (Gibco, Waltham, MA, United States) supplemented with 8% fetal bovine serum (FBS) (Gibco), 2 mM glutaMAX (Gibco), 100 U/mL penicillin (Gibco), 100 μg/mL streptomycin sulfate (Gibco) and 20 μM rock kinase inhibitor Y-27632 (S1049; SelleckChem, Houston, TX, United States). Absence of mycoplasma was regularly confirmed with PCR-based method (PromoCell, Heidelberg, Germany).
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