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The anticancer effect of chaetocin is enhanced by inhibition of autophagy

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Author(s)
H-J JungI SeoF CascielloS JacquelinSW LaneS-Il SuhM-H SuhJS LeeW-K Ba다
Keimyung Author(s)
Suh, Seong IlBaek, Won KiSuh, Min Ho
Department
Dept. of Microbiology (미생물학)
Institute for Cancer Research (암연구소)
Journal Title
Cell Death and Disease
Issued Date
2016
Volume
7
Abstract
Chaetocin is a fungal metabolite that possesses a potent antiproliferative activity in solid tumors by inducing cell death. Although
recent studies have extended the role of chaetocin in tumors, the underlying molecular mechanisms such as the downstream
cascade that induces cell death has not clearly been elucidated. In this study, we show that chaetocin is able to induce both
apoptosis and autophagy in several hepatoma cell lines including HepG2, Hep3B and Huh7 cell lines. Moreover, we found that the
inhibition of caspase-3/7 activity by z-VAD-fmk treatment was able to block chaetocin-mediated cell death, whereas blocking
autophagy by Bafilomycin A1 or the knockdown of autophagy protein 5 enhanced cell death mediated by chaetocin. These
findings suggest that chaetocin has a potent anticancer effect against hepatoma. Inhibition of autophagy may potentiate
anticancer effects of chaetocin thus providing evidence that combined treatment with chaetocin and autophagy inhibitors will be
an effective strategy for treating cancer.
Keimyung Author(s)(Kor)
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Publisher
School of Medicine
Citation
H-J Jung et al. (2016). The anticancer effect of chaetocin is enhanced by inhibition of autophagy. Cell Death and Disease, 7, e2098–e2098. doi: 10.1038/cddis.2016.15
Type
Article
ISSN
2041-4889
DOI
10.1038/cddis.2016.15
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/33303
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Microbiology (미생물학)
3. Research Institutues (연구소) > Institute for Cancer Research (암연구소)
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