Chavez et al., "Identification, detection, and in vitro characterization of cynomolgus monkey natural killer cells in delayed xenograft rejection of hDAF transgenic porcine renal xenografts," Transplantation Proceedings, vol.
Hancock et al., "Prolonged discordant xenograft survival and delayed xenograft rejection in a pig-to-baboon orthotopic cardiac xenograft model," The Journal of Thoracic and Cardiovascular Surgery, vol.
Neethling et al., "Delayed xenograft rejection of pig-to-babbon cardiac transplants after cobra venom factor therapy," Transplantation, vol.
An equally destructive immune response, known as delayed xenograft rejection, can occur in the days after a transplant.
Investigators now report that delayed xenograft rejection appears to begin when macrophages and natural killer cells infiltrate the organ.