High quality repair of osteochondral defects in rats using the extracellular matrix of antler stem cells

Table 1 Comparisons in contents of three components between before and after decellularization

ECM sheet	DNA			GAG			Collagen
	Before (ng/mg)	After (ng/mg)	Retention rate (%)	Before (ng/mg)	After (ng/mg)	Retention rate (%)	Before (ng/mg)	After (ng/mg)	Retention rate (%)
aMSC	1287.36 ± 51.28	25.73 ± 3.61	1.9	472.73 ± 21.54	376.93 ± 11.83	79.83	756.93 ± 17.37	500.49 ± 9.13	66.18
APC	1017.78 ± 35.92	26.27 ± 1.6	2.2	559.21 ± 10.93	457.31 ± 5.13	81.79	874.71 ± 23.53	635.62 ± 29.61	72.67
RMC	1194.36 ± 64.37	23.22 ± 2.94	2.8	611.83 ± 14.29	550.78 ± 6.27	90.00	915.61 ± 27.37	740.08 ± 15.52	80.84

ECM: Extracellular matrix; aMSC: Adipocyte-derived mesenchymal stromal cell; APC: Antlerogenic periosteal cell; RMC: Antler reserve mesenchymal cell; GAG: Glycosaminoglycan.