Activated lymphocytes derived from cord blood are excellently effective for
preventing and treating various types of tumors and various types of
infection. With interleukin 2 and/or anti-CD3 antibody, the lymphocytes
derived from the cord blood is prepared by segregating lymphocytes from
the cord blood and proliferating the segregated lymphocytes directly in
vitro or segregating monocytes from cord blood and proliferating the
monocytes in vitro. Also, the cord blood-derived activated lymphocytes can
be effectively used for preventing recurrence of the diseases and
promoting the take of stem cells or other organs.
