Fig. 5.
LoCD2b antibody titers in B156 (Baboon 1). This animal had low levels of IgG and IgM anti-LoCD2b antibody prior to BM transplant, but developed elevated IgG titers by day 12 following transplant. High IgG titers persisted until day 28, when the animal expired following a third dose of LoCD2b. Suspicion of an anaphylactic reaction to LoCD2b prompted the retrospective analysis of anti-ATG and anti-LoCD2b serum antibody titers.