- Non-CD34+ cells, especially CD8+ cytotoxic T cells and CD56+ natural killer cells, rather than CD34 cells, predict early engraftment and better transplantation outcomes in patients with hematologic malignancies after allogeneic peripheral stem cell transplantation. Kim, D.H., Won, D.I., Lee, N.Y., Sohn, S.K., Suh, J.S., Lee, K.B. Biol. Blood Marrow Transplant. (2006)