VEGF receptors expressed at different frequencies in acute and chronic leukemia samples (primary leukemias and cell lines)
Type of leukemia
.
FLT-1 positive, %
.
KDR positive, %
.
FLT-4 positive, %
.
CML (n = 30)
91
17.6
29.0
ALL (n = 23)
71
9.0
39.0
AML (n = 30)
78
28.0
2.8
Type of leukemia
.
FLT-1 positive, %
.
KDR positive, %
.
FLT-4 positive, %
.
CML (n = 30)
91
17.6
29.0
ALL (n = 23)
71
9.0
39.0
AML (n = 30)
78
28.0
2.8
Leukemia blasts were obtained from BM samples of patients with different types of acute and chronic leukemias, and FLT-1, KDR, and FLT-4 positivity was determined by RT-PCR as described in “Materials and methods.”