Mast cell histamine release induced by doxorubicin and the inhibitory effect of fructose 1,6-diphosphate.

Doxorubicin (DXR) (10(-4) mol/l) causes histamine release from isolated rat mast cells. At lower doses (range 10(-8) mol/l-10(-5) mol/l) the drug failed to evoke secretion. In the 10(-5) mol/l-10(-4) mol/l range there is a significant decrease of the ATP intracellular levels. Fructose 1,6-diphosphate (FDP) produced a sharp increase of the ATP content of the DXR treated cells. In particular, FDP pretreatment inhibited the DXR stimulated histamine release.