ATLL cell resistance to ionization–radiation-induced apoptosis.

Propidium iodide staining of cells from patients 9 (A) and 10 (E) after Ficoll purification; after 24 hours in culture (B, F), or 4 or 24 hours after ionizing treatment (C and D for patient 9, G and H for patient 10). The number refers to the percentage of cells in G1, S, or G2/M.