Blood DC numbers at the time of stem cell mobilization in 20 subjects. (A) Mean DC percent of blood MNC before, during, and after stem cell harvest. (B) Paired (pre- and during or during and post) percent DC of blood MNC in individual patients. (C) Paired (pre- and during or during and post) absolute DC counts. The differences in DC counts before and during the harvest are statistically significant (see text).