Saint Marys Hospital Luodongyilan

Saint, Taiwan

Saint Marys Hospital Luodongyilan

Saint, Taiwan
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Perng D.-S.,ou UniversityKaohsiung | Tsai Y.-H.,Sierra College | Cherng J.,Medical University of Lublin | Kuo C.-W.,Saint Marys Hospital Luodongyilan | And 2 more authors.
Journal of Drug Targeting | Year: 2016

Cinnamomum verum has been used as a traditional Chinese herbal medicine. We evaluated the anticancer effect of 2-methoxycinnamaldehyde (2-MCA), a constituent of the bark of the plant, in hepatocellular carcinoma Hep 3B cells. The results show that 2-MCA suppressed proliferation and induced apoptosis as indicated by an up-regulation of pro-apoptotic bax and bak genes and down-regulation of anti-apoptotic bcl-2 and bcl-XL genes, mitochondrial membrane potential loss, cytochrome c release, activation of caspase 3 and 9, increase in the DNA content in sub G1, and morphological characteristics of apoptosis. 2-MCA also induced lysosomal vacuolation with increased volume of acidic compartments (VAC), suppressions of nuclear transcription factors NF-κB, cyclooxygenase-2 (COX-2), prostaglandin E2 (PGE2), and both topoisomerase I and II activities in a dose-dependent manner. Further study reveals the growth-inhibitory effect of 2-MCA was also evident in a nude mice model. Taken together, the data suggest that the growth-inhibitory effect of 2-MCA against Hep 3B cells is accompanied by downregulations of NF-κB binding activity, inflammatory responses involving COX-2 and PGE2, and proliferative control involving apoptosis, both topoisomerase I and II activities, together with an upregulation of lysosomal vacuolation and VAC. Our data suggest that 2-MCA could be a potential agent for anticancer therapy. © 2016 Taylor & Francis.

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