Supplier Page from Biorbyt for Recombinant Human Osteoprotegerin
Biological Activity: Fully biologically active when compared to standard. The ED50 as determined by neutralizing the stimulation of U937 cells is less than 10 ng/ml, corresponding to a specific activity of > 1.0 �� 105 IU/mg in the presence of 10 ng/mL soluble rHuRANKL (sRANKL).