Table III.

Grayscales vs. GAPDH as detected by western blot analysis in 7 days (mean ± standard deviation, n=3).

	1% AP/PLGA alone	PLGA with stimuli	0.5% AP/PLGA with stimuli	1% AP/PLGA with stimuli	5% AP/PLGA with stimuli
BMP-2	9.83±0.87	39.31±3.17	54.46±3.22	66.57±4.37	71.35±2.14
Phospho-Smad4	14.25±3.27	21.13±1.42	30.27±2.17	87.35±3.24	93.28±3.11
Collagen I	35.69±1.17	64.21±3.75	86.69±4.57	91.57±3.61	95.45±4.51
Osteonectin	25.89±4.79	53.74±3.57	79.00±3.97	94.23±3.19	92.36±3.26
GAPDH	100.1±6.31	99.25±3.29	101.1±3.47	100.4±3.11	100.3±2.59

AP, aniline pentamer; PLGA, poly(lactic-co-glycolic acid).