Title : Geldanamycin and its analogue 17-allylamino-17-demethoxygeldanamycin lowers Bcr-Abl levels and induces apoptosis and differentiation of Bcr-Abl-positive human leukemic blasts.

Pub. Date : 2001 Mar 1

PMID : 11280726






6 Functional Relationships(s)
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1 Geldanamycin and its analogue 17-allylamino-17-demethoxygeldanamycin lowers Bcr-Abl levels and induces apoptosis and differentiation of Bcr-Abl-positive human leukemic blasts. geldanamycin ABL proto-oncogene 1, non-receptor tyrosine kinase Homo sapiens
2 Geldanamycin and its analogue 17-allylamino-17-demethoxygeldanamycin lowers Bcr-Abl levels and induces apoptosis and differentiation of Bcr-Abl-positive human leukemic blasts. geldanamycin ABL proto-oncogene 1, non-receptor tyrosine kinase Homo sapiens
3 Present studies demonstrate that treatment with ansamycin antibiotic geldanamycin (GA), or its less toxic analogue 17-allylamino-17-demethoxygeldanamycin (17-AAG), induces cytosolic accumulation of cytochrome c and cleavage and activities of caspase-9 and caspase-3, triggering apoptosis of HL-60/Bcr-Abl and K562 cells. geldanamycin ABL proto-oncogene 1, non-receptor tyrosine kinase Homo sapiens
4 Present studies demonstrate that treatment with ansamycin antibiotic geldanamycin (GA), or its less toxic analogue 17-allylamino-17-demethoxygeldanamycin (17-AAG), induces cytosolic accumulation of cytochrome c and cleavage and activities of caspase-9 and caspase-3, triggering apoptosis of HL-60/Bcr-Abl and K562 cells. geldanamycin ABL proto-oncogene 1, non-receptor tyrosine kinase Homo sapiens
5 GA or 17-AAG down-regulated intracellular Bcr-Abl and c-Raf protein levels, as well as reduced Akt kinase activity. geldanamycin ABL proto-oncogene 1, non-receptor tyrosine kinase Homo sapiens
6 These data establish the in vitro activity of GA and 17-AAG against Bcr-Abl-positive leukemic cells and support the in vivo investigation of 17-AAG against Bcr-Abl-positive leukemias. geldanamycin ABL proto-oncogene 1, non-receptor tyrosine kinase Homo sapiens