Table II.

Some Molecular Difference between Human and Mouse Endothelial Cells Relevant for Rejection

Molecule	Human	Mouse	Rel
Class II MHC	basal and inducible	absent	(114)
LFA-3	constitutive	absent	(114)
CD80	absent	constitutive and inducible	(114)
P-selectin	constitutive and mobilizable	cytokine inducible	(114)
IL-8	inducible	absent	(114)
Activation of CD4+ T cells	central and effector memory cells	regulatory cells only	(29, 32)
Activation of CD8+ T cells	memory cells only	naïve and memory cells	(4, 31)