Table 1.

Reduced recovery of bone marrow-derived, Syk-deficient macrophages after culture on plastic petri dishesa

ExptNo. of wild-type macrophages recovered/106 bone marrow cellsNo. of Syk−/− macrophages recovered/106 bone marrow cells
13.5 × 105 7.1 × 104
22.6 × 105 1.1 × 105
34.2 × 105 3.1 × 104
43.7 × 105 7.1 × 104
59.2 × 105 1.6 × 105
Mean ± SD4.7 × 105 ± 2.6 × 105 8.8 × 104 ± 4.8 × 104
  • a The values represent the recovery of macrophages after a 10- to 12-day culture period in the presence of M-CSF.