TheHuman Fas Receptor ELISA is capable of recognizing both recombinant and naturally produced Human Fas Receptor proteins. The antigens listed below were tested at 50 ng/ml and did not exhibit significant cross reactivity or interference. ? Human: Fas-Ligand, RANTES, TGF-alpha, TNF-alpha? Mouse: FasR, Fas-Ligand, TNF-R1, TNF-R2