The effects of alkyl-lysophospholipids on leukemic cell lines. I.
Differential action on two human leukemic cell lines, HL60 and K562
T Tidwell, G Guzman and WR Vogler
The action of an alkyl-lysophospholipid (ALP), ET180CH3, on clonogenicity,
3H-TdR uptake, and cell numbers was tested in two human leukemic cell
lines, HL60 and K562, and short-term human leukemic bone marrow cultures.
ALP eliminated clonogenicity in HL60 but not in K562 cultures; 3H-TdR
uptake and cell numbers were depressed at low concentrations of ET180CH3 in
HL60, but not K562 cultures. The action of the lysophospholipid analog on
human leukemic bone marrow short-term cultures at low concentrations was
similar to its action on HL60 cultures; clonogenicity and 3H-TdR uptake
were depressed, but cell numbers were not significantly affected. The
demonstration of differential action of ALP on two cell lines should
significantly simplify the investigation of the mechanism of the reported
differential action of ET180CH3 on normal and leukemic cell membranes.
Volume 57,
Issue 4,
pp. 794-797,
04/01/1981
Copyright © 1981 by The American Society of Hematology