Kp7-6, a Fas mimetic peptide, is a Fas/FasL antagonist. Kp7-6 protects cells from Fas-mediated apoptosis, and protects mice from Fas-mediated hepatic injury.
References:
[1]. Zhang S, et al. Fas-associated death receptor signaling evoked by human amylin in islet beta-cells. Diabetes. 2008 Feb;57(2):348-56.
[2]. Hasegawa A, et al. Fas-disabling small exocyclic peptide mimetics limit apoptosis by an unexpected mechanism. Proc Natl Acad Sci U S A. 2004 Apr 27;101(17):6599-604.