Belatacept

Belatacept, sold under the brand name Nulojix, is a fusion protein composed of the Fc fragment of a human IgG1 immunoglobulin linked to the extracellular domain of CTLA-4,[1] which is a molecule crucial in the regulation of T cell costimulation, selectively blocking the process of T-cell activation. It is intended to provide extended graft and transplant[2] survival while limiting the toxicity generated by standard immune suppressing regimens, such as calcineur... [wikipedia]