HR-1 cell line induced with TPA for 72 hours then cells were stained live with monoclonal antibody to gp 110 (Cat#: E-EG-P202). The viral envelop protein gp 110 is expressed on the cell surface.
For Reference; See Toussirot, E., Wendling, D., Tiberghien, Luka, J., P., Roudier, J.: Annals of the Rheumatic Diseases. 59: 533-538. 2000