Table 6.

The mean optical density of the immunohistochemical staining of cells

	Mean optical density (AOD) ($\bar{x}$ ± S)
Group	HSC-3	HaCaT	P.Value
GDF15	0.4696 ± 0.0519	0.3345 ± 0.0454	<0.0001
MMP3	0.3911 ± 0.0385	0.2980 ± 0.0138	< 0.0001
AXL	0.5154 ± 0.0818	0.2762 ± 0.0102	< 0.0001
MCSF	0.4603 ± 0.1116	0.3245 ± 0.0405	0.0039
I309	0.2910 ± 0.0457	0.2910 ± 0.0458	< 0.0001
CTACK	0.4391 ± 0.0348	0.3247 ± 0.0490	< 0.0001