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The Effect of rhGM-CSF/IL-3 Fusion Protein on Apoptosis of HL-60 Cells Mediated by Ara-C
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Abstract:
The effect of rhGM-CSF/IL-3 on apoptosis of Ara-C-induced myeloid leukemic cell line HL- 60 was investigated. The results indicated that treatment with rhGM-CSF/IL-3 in combination with Ara-C significantly inhibited the colony growth of HL-60 and enhanced the oligonucleosomal DNA fragmentation as compared with Ara-C alone. The Ara-C mediated apoptosis rates of HL-60 cells treated with rhGM-CSF/IL-3 fusion protein alone were markablely improved compared with treatment with rhIL-3 plus rhGM-CSF, it was noted that the Ara-C mediated of apoptosis normal peripheral white blood cells was less affected by rhGM-CSF/IL-3. It suggested that rhGM-CSF/IL-3 could be used as a possible curing drug during the phase of induced remission of leukemia.
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Clc Number:
R733.705 R73－36
