Hematopoietic reconstitution by cells cultured for 14 days in the presence of FL and IL-11. Nucleated cells of the peripheral blood were analyzed using flow cytometry 6 months after transplantation. Thy-1⁺ cells, B220⁺ cells, and Mac-1⁺, Gr-1⁺ cells of donor (Ly5.1) origin are seen in the peripheral blood of the recipient. Analyses of additional samples are presented in Table 3.