FIGURE 5.

TGF‐β1 and TGF‐β2, except TGF‐β3, promote hepatic stellate cell activation. LX‐2 cells were stimulated with 0.5 nmol/L TGF‐β isoforms for 24 h and COL1A1 and α‐SMA mRNA was quantified with qRT‐PCR. Data represent the mean ± SD of three independent experiments. ANOVA analysis followed by the Student’s t test method was used. **P < 0.01 vs solvent control