Primary mouse hepatocytes were isolated from 3-month-old mice using a collagenase-based method and cultured as previously described47. Hepatocytes from preparations with a cell viability ≥90% were seeded in six-well plates at a density of 1 × 106 per well in a plating medium (M199 with GlutaMAXTM supplemented with 100 U/mL penicillin, 0.1 mg/mL streptomycin, 0.1% bovine serum albumin (BSA), 10% (v/v) foetal bovine serum, 10 nM insulin, 200 nM triiodothyronine, 500 nM dexamethasone) for 4 h and then incubated overnight (16 h) in a recovery medium (M199 with GlutaMAXTM supplemented with 100 U/mL penicillin, 0.1 mg/mL streptomycin and 10% (v/v) foetal bovine serum). The next morning, cells were used for transfection by plasmids with Lipofectamine-3000 (Thermo Fisher Scientific).
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