PMID: 7543415Aug 1, 1995Paper

The effect of basic and acidic fibroblast growth factors (bFGF and aFGF) on the growth of leukemic blast progenitors in acute myelogenous leukemia

Experimental Hematology
N NaraS Tanikawa

Abstract

The effect of basic and acidic fibroblast growth factors on leukemic blast progenitors was studied in 14 patients with acute myelogenous leukemia and in one patient with chronic myelocytic leukemia in myeloid crisis. bFGF and aFGF stimulated blast-colony formation by leukemic blast progenitors cultured in methylcellulose in two patients. In the other 13 patients, no significant effect of either FGF on blast-colony formation was noted. The combination of bFGF or a FGF and G-CSF, GM-CSF, interleukin-3, or stem cell factor (SCF) had a synergistic effect on blast-colony formation in three patients. In the other patients, however, synergism between FGF and CSF was not detected. In fact, bFGF was found to suppress the stimulation of blast-colony formation due to GM-CSF in one of 10 patients and that due to SCF in four of eight patients. aFGF suppressed the stimulation of blast-colony formation due to GM-CSF in two of 11 patients and that due to SCF in four of eight patients. The results show that bFGF and aFGF do not directly play a major role in leukemic hematopoiesis but that they may modulate the cytokine network affecting leukemic cell growth.

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