Fig. 2.
Urea production of sandwich-cultured human hepatocytes (mean ± SEM, n = 7 batches, measured in triplicate) after 24 h and 48 h of incubation with either 0.2% dimethylsulfoxide (DMSO) or a 50× concentrated bile salt mixture. Statistical significance was evaluated using a Student's t-test (p<0.05).