Migratory capacity of patient-derived PB CD34⁺ cells.

The migratory capacity of patient-derived PB CD34⁺ cells was determined by subtracting the percentage of migration induced by 100 ng/mL SDF-1 from the percentage of migration induced by 300 ng/mL SDF-1. A positive correlation (r = 0.5;P < .01) was observed between the increment in migration and the percentage migration induced by 100 ng/mL SDF-1 for a group of 27 patients.