Octylcaffeate induced apoptosis in human leukemia U937 cells

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Abstract

We found that octylcaffeate, a semisynthetic caffeic acid derivative, strongly inhibited the growth of human histiolytic lymphoma U937 cells in a dose- and time-dependent manner via apoptosis. Octylcaffeate induced the fragmentation of DNA into multiples of 180 bp (an apoptotic DNA ladder) and condensation of chromatin, and increased the percentage of hypodiploid cells detected with a flow cytometer. DNA fragmentation induced by octylcaffeate was inhibited by pretreatment with Z-DEVD-FMK and Z-Asp-CH2D-CB, an inhibitor of caspase, clearly showing that the mode of cell death is apoptotic. These findings suggest that the cytotoxicity of octylcaffeate involves the induction of apoptosis. © 2005 Pharmaceutical Society of Japan.

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Ujibe, M., Kanno, S. I., Osanai, Y., Koiwai, K., Ohtake, T., Kimura, K., … Ishikawa, M. (2005). Octylcaffeate induced apoptosis in human leukemia U937 cells. Biological and Pharmaceutical Bulletin, 28(12), 2338–2341. https://doi.org/10.1248/bpb.28.2338

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