Hematopoietic recovery in lethally irradiated mice receiving transplanted bone marrow cells covered (+ PMPs) or not covered (control) with PMPs.

Shown are percentages of peripheral blood hematocrit (A), leukocyte counts (B), and platelet counts (C) in lethally irradiated mice receiving transplanted donor cells not covered (control) or covered with PMPs (+ PMP). Data are pooled from 2 independent experiments, each with 5 to 8 mice in the each of the 2 groups (control and experimental). *P < .0001.