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  1. 教員研究業績
  2. 臨床薬剤学研究室
  3. 原著論文

Induction of Human-Lung-Cancer-A549-Cell Apoptosis by 4-Hydroperoxy-2-decenoic Acid Ethyl Ester through Intracellular ROS Accumulation and the Induction of Proapoptotic CHOP Expression

https://gifu-pu.repo.nii.ac.jp/records/13444
https://gifu-pu.repo.nii.ac.jp/records/13444
77190250-fa71-43ef-9816-432615013a24
Item type 研究室原著論文(1)
公開日 2019-03-04
タイトル
タイトル Induction of Human-Lung-Cancer-A549-Cell Apoptosis by 4-Hydroperoxy-2-decenoic Acid Ethyl Ester through Intracellular ROS Accumulation and the Induction of Proapoptotic CHOP Expression
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
抄録
値 Royal jelly, a natural product secreted by honeybees, contains several fatty acids, such as 10-hydroxy-2-decenoic acid (DE), and shows anti- and pro-apoptotic properties. 4-Hydroperoxy-2-decenoic acid ethyl ester (HPO-DAEE), a DE derivative, exhibits potent antioxidative activity; however, it currently remains unclear whether HPO-DAEE induces cancer-cell death. In the present study, treatment with HPO-DAEE induced human-lung-cancer-A549-cell death (52.7 ± 10.2%) that was accompanied by DNA fragmentation. Moreover, the accumulation of intracellular reactive oxygen species (ROS, 2.38 ± 0.1-fold) and the induction of proapoptotic CCAAT-enhancer-binding-protein-homologous-protein (CHOP) expression (18.4 ± 4.0-fold) were observed in HPO-DAEE-treated cells. HPO-DAEE-elicited CHOP expression and cell death were markedly suppressed by pretreatment with N-acetylcysteine (NAC), an antioxidant, by 2.40 ± 1.57-fold and 5.7 ± 1.6%, respectively. Pretreatment with 4-phenylbutyric acid (PBA), an inhibitor of endoplasmic reticulum stress, also suppressed A549-cell death (38.4 ± 1.1%). Furthermore, we demonstrated the involvement of extracellular-signal-regulated protein kinase (ERK) and p38-related signaling in HPO-DAEE-elicited cell-death events. Overall, we concluded that HPO-DAEE induces A549-cell apoptosis through the ROS-ERK-p38 pathway and, at least in part, the CHOP pathway.
書誌情報 Journal of Agricultural and Food Chemistry
en : Journal of Agricultural and Food Chemistry

巻 66, 号 41, p. 10741-10747, 発行日 2018
DOI
値 10.1021/acs.jafc.8b04424
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