Article Publish Status: FREE
Abstract Title:

Farnesiferol C Induces Apoptosis in Chronic Myelogenous Leukemia Cells as an Imatinib Sensitizer via Caspase Activation and HDAC (Histone Deacetylase) Inactivation.

Abstract Source:

Int J Mol Sci. 2019 Nov 6 ;20(22). Epub 2019 Nov 6. PMID: 31698777

Abstract Author(s):

Ji Hoon Jung, Ji Eon Park, Deok Yong Sim, Eunji Im, Woon Yi Park, Duckgue Lee, Bum-Sang Shim, Sung-Hoon Kim

Article Affiliation:

Ji Hoon Jung


Herein the underlying apoptotic mechanism of Farnesiferol C (FC) derived fromwas elucidated in chronic myelogenous leukemia (CML) K562 and KBM5 cells. FC showed significant cytotoxicity in K562 and KBM5 cells, more so than in U937 and UL-60 acute myeloid leukemia (AML) cells. Cleaved PARP and caspase 9/3 attenuated the expression of Bcl2 and induced G1 arrest in K562 and KBM5 cells. Also, FC effectively abrogated the expression of cell cycle related proteins, such as: Cyclin D1, Cyclin E, Cyclin B1 in K562, and KBM5 cells, but caspase 3 inhibitor Z-DEVD-FMK rescued the cleavages of caspase 3 and PARP induced by FC in K562 cells. Of note, FC decreased histone deacetylase 1 (HDAC1) and HDAC2, and enhanced histone H3 acetylation K18 (Ac-H3K18) in K562 and KBM5 cells. Furthermore, combination of FC and Imatinib enhanced the apoptotic effect of Imatinib as a potent Imatinib sensitizer in K562 cells. Overall, our findings provide scientific evidence that inactivation of HDAC and caspase activation mediate FC induced apoptosis in CML cells.

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