In direct ELISAs, less than 5% cross-reactivity with recombinant human (rh) APRIL, rhBAFF, rhCD27 Ligand, rhCD30 Ligand, rhCD40 Ligand, rhFas Ligand, rhTNF-alpha, rhTRAIL, rhTRANCE, and recombinant mouse GITR Ligand is observed. Reconstitute at 0.2 mg/mL