Lineage restriction analysis of the Flt3/ITD.

Diagnostic bone marrow specimens from Flt3/ITD-AML patients were flow sorted for lymphocyte and blast fractions and assayed for the presence of the Flt3/ITD. Result of the assay from 4 representative patients is shown. NL, normal bone marrow control; C, non-nucleic acid control; L, lymphocyte fraction; B, myeloblast fraction.