Insulin-like growth factor binding protein-7 induces activation and transdifferentiation of hepatic stellate cells in vitro

Table 1 Immunocytochemistry staining and Western blotting analysis of IGFBPrP1 (mean ± SD)

	n	Immunohistochemistry (The value of IOD × 105)	n	Western blotting (The value of A× 105)
Control	6	3.70 ± 0.32	6	0.03 ± 0.01
TGFβ1 2 ng/mL	6	4.86 ± 0.27a	6	1.05 ± 0.03a
TGFβ1 4 ng/mL	6	6.45 ± 0.32a	6	1.16 ± 0.02a
TGFβ1 8 ng/mL	6	4.91 ± 0.30a	6	1.01 ± 0.02a
TGFβ1 16 ng/mL	6	4.31 ± 0.26a	6	1.06 ± 0.02a

IOD: Integrated optical density; A: Absorbance; IGFBP: Insulin-like growth factor binding proteins;

^aP < 0.05 vs control group.