TheHuman Angiopoietin-2 ELISA is capable of recognizing both recombinant and naturally produced Human Angiopoietin-2 proteins. The antigens listed below were tested at 50 ng/ml and did not exhibit significant cross-reactivity or interference.? Human: Ang-1, FGF basic (146 aa), FGF basic (157 aa), Tie-1, Tie-2, TNF-alpha, VEGF121, VEGF165? Mouse: Ang-3, Tie-2