(A) Representative images and (B) quantification of actin organization for freshly isolated stellate cells cultured for 7 days on soft hydrogels or glass. Blue: nuclei, Green: α-SMA, Red: F-actin. (C) Representative images and (D) quantification of actin organization for stellate cells cultured for 21 days total on soft hydrogels (soft static, dashed lines) or mechanically primed stellate cells cultured for an additional 14 days on soft, stiff, or stiff-to-soft hydrogels. Blue: nuclei, Green: α-SMA, Red: F-actin. (Dashed lines: soft static control). ***: P < 0.001. Scale bars: 100 μm. n > 26 cells per group.