Table 2.

Effect of EMPs on rate of migration of HGF-1s cells

EMP added, µg/mL	Cell index value, mean ± standard deviation
	Time of incubation
	12-h	24-h	48-h	60-h	72-h
Control	0.26 ± 0.17	0.30 ± 0.20	0.39 ± 0.26	0.56 ± 0.38	0.86 ± 0.60
EMD, 12.5	0.29 ± 0.10	0.35 ± 0.10	0.45 ± 0.13	0.61 ± 0.18	0.88 ± 0.32
EMD, 25.0	0.17 ± 0.11	0.19 ± 0.13	0.24 ± 0.17	0.35 ± 0.27	0.54 ± 0.45
EMD, 50.0	0.26 ± 0.16	0.31 ± 0.19	0.38 ± 0.23	0.47 ± 0.30	0.62 ± 0.43
prAMEL, 12.5	0.28 ± 0.04	0.31 ± 0.02	0.48 ± 0.03	0.90 ± 0.06	1.59 ± 0.13
prAMEL, 25.0	0.35 ± 0.05	0.39 ± 0.01	0.57 ± 0.05	1.24 ± 0.15	1.84 ± 0.26
prAMEL, 50.0	0.19 ± 0.08	0.28 ± 0.12	0.43 ± 0.05	1.01 ± 0.14	1.80 ± 0.22
TRAP, 12.5	0.42 ± 0.06	0.48 ± 0.06	0.66 ± 0.06	1.07 ± 0.15	1.69 ± 0.16
TRAP, 25.0	0.37 ± 0.06	0.41 ± 0.06	0.51 ± 0.05	0.75 ± 0.06	1.09 ± 0.16
TRAP, 50.0	0.48 ± 0.06	0.54 ± 0.06	0.68 ± 0.06	0.95 ± 0.05	1.33 ± 0.10
P value	>0.05	>0.05	>0.05	0.0001	0.0001

Cell index values were monitoring using the xCELLigence system. Results are from five repeats

EMP enamel matrix protein, EMD enamel matrix derivative, prAMEL porcine recombinant amelogenin, TRAP tyrosine-rich amelogenin peptide