M5542, a bifunctional fusion protein targeting CD80, CD86, and OX40L that modulates excessive T-cell activity: a preclinical proof-of-concept study
BackgroundChronically activated T-effector (Teff) cells can play a pivotal role in T-cell-mediated diseases including systemic lupus erythematosus subsets, lupus nephritis and graft-vs-host disease (GvHD). Since T cells require diverse costimulation si…