The MK proliferation is not affected by the presence of SDF-1α.

Proliferation of HPCs along the megakaryocytic lineage in the presence of TPO (100 ng/mL) alone (●) or in combination with SDF-1α (1 μg/mL, ○). Data are expressed as the mean ± SEM of 9 separate experiments. No significant differences were observed when statistical analysis was performed by means of the Student t test for paired data.