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Table 1 Experimental groups. Five groups of antigens, based on specific steps performed during processing

From: Immunologic testing of xeno-derived osteochondral grafts using peripheral blood mononuclear cells from healthy human donors

Processing steps Bovine Group Porcine Group Ovine Group Equine Group
Group 1 – untreated B1 P1 O1 E1
Group 2 – after cleaning in increasing strengths of ethanol B2 P2 O2 N/A
Group 3 – after cleaning in ethanol and methylene chloride B3 P3 O3 N/A
Group 4 – after photooxidation process B4 P4 O4 N/A
Group 5 – after sterilization with Gamma radiation B5 P5 O5 E5