- Functional CD5+ B cells develop predominantly in the spleen of NOD/SCID/gammac(null) (NOG) mice transplanted either with human umbilical cord blood, bone marrow, or mobilized peripheral blood CD34+ cells. Matsumura, T., Kametani, Y., Ando, K., Hirano, Y., Katano, I., Ito, R., Shiina, M., Tsukamoto, H., Saito, Y., Tokuda, Y., Kato, S., Ito, M., Motoyoshi, K., Habu, S. Exp. Hematol. (2003)