Cytofluorometric analysis of Survivin expression.

Staining with mAb anti-Survivin at day 0 (A) and after 3 days of culture (B) of cells from 3 B-CLL patients, representative of the following groups: CD40L nonresponders (patient 16, Table 1); CD40L responders (patient 3, Table 1); patients whose cells were already Survivin⁺ at day 0 (patient 5, Table 1).