BI-1950 is a highly potent lymphocyte function associated antigen-1 (LFA-1) inhibitor and the LFA-1 is an essential component in normal immune system function and a target for drug discovery[1].
XVA143, an α β I-like allosteric antagonist, inhibits LFA-1 dependent firm adhesion, while at the same time it enhances adhesion in shear flow and rolling both in vitro and in vivo. XVA143 is an antagonist of both mouse and human CR3, inhibits the ability of P. gingivalis to persist in the mouse host and cause periodontal bone loss.