The Influence of the Preservation Method and Gamma Irradiation Sterilization on TGF-β and bFGF Levels in Freeze-Dried Amnion Membrane (FD-AM) and Amnion Sponge

Table 4

TGF-β levels in the freeze-dried amnion membrane (FD-AM) and amnion sponge before and after radiation sterilization.

Donor	Freeze-dried amnion membrane (FD-AM)				Amnion sponge
	Preirradiated (ng/L)	Postirradiated 15 kGy (ng/L)	Postirradiated 25 kGy (ng/L)	Δ preirradiated postirradiated 25 kGy (%)	Preirradiated (ng/L)	Postirradiated 15 kGy (ng/L)	Postirradiated 25 kGy (ng/L)	Δ preirradiated postirradiated 25 kGy (%)
A	1316	465	451	65.7	870	532	252	71.0
B	2592	503	395	84.7	1030	324	241	76.6
C	2967	562	452	84.8	1200	360	294	75.5
D	2980	590	420	85.9	1230	390	310	74.8
E	2989	610	343	88.5	1270	410	340	73.2
F	2999	650	360	88.0	1320	450	370	72.0
G	3010	680	478	84.1	1340	560	395	70.5
H	3015	720	690	77.1	1380	620	310	77.5
Mean	2733.5 ± 589.9	597.5 ± 86.6	448.6 ± 108.1	82.35 ± 7.58	1205 ± 173.1	455.8 ± 104.6	314 ± 53.4	73.89 ± 2.61