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  1. C100 医学部/医学系研究科
  2. C100a 雑誌掲載論文
  3. 学術雑誌

Non-thermal plasma induces a stress response in mesothelioma cells resulting in increased endocytosis, lysosome biogenesis and autophagy

http://hdl.handle.net/2237/26969
http://hdl.handle.net/2237/26969
051e4822-3716-464f-8a50-23d108417d2d
名前 / ファイル ライセンス アクション
Lei_Shi_FRBM_Plasma_2017_Repository.pdf Lei_Shi_FRBM_Plasma_2017_Repository.pdf ファイル公開:2018/07/01 (5.0 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-09-06
タイトル
タイトル Non-thermal plasma induces a stress response in mesothelioma cells resulting in increased endocytosis, lysosome biogenesis and autophagy
言語 en
著者 Shi, Lei

× Shi, Lei

WEKO 73506

en Shi, Lei

Search repository
Ito, Fumiya

× Ito, Fumiya

WEKO 73507

en Ito, Fumiya

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Wang, Yue

× Wang, Yue

WEKO 73508

en Wang, Yue

Search repository
Okazaki, Yasumasa

× Okazaki, Yasumasa

WEKO 73509

en Okazaki, Yasumasa

Search repository
Tanaka, Hiromasa

× Tanaka, Hiromasa

WEKO 73510

en Tanaka, Hiromasa

Search repository
Mizuno, Masaaki

× Mizuno, Masaaki

WEKO 73511

en Mizuno, Masaaki

Search repository
Hori, Masaru

× Hori, Masaru

WEKO 73512

en Hori, Masaru

Search repository
Hirayama, Tasuku

× Hirayama, Tasuku

WEKO 73513

en Hirayama, Tasuku

Search repository
Nagasawa, Hideko

× Nagasawa, Hideko

WEKO 73514

en Nagasawa, Hideko

Search repository
Richardson, Des R.

× Richardson, Des R.

WEKO 73515

en Richardson, Des R.

Search repository
Toyokuni, Shinya

× Toyokuni, Shinya

WEKO 73516

en Toyokuni, Shinya

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
抄録
内容記述 Non-thermal plasma (NTP) is a potential new therapeutic modality for cancer. However, its mechanism of action remains unclear. Herein, we studied the effect of NTP on mesothelioma cells and fibroblasts to understand its anti-proliferative efficacy. Interestingly, NTP demonstrated greater selective anti-proliferative activity against mesothelioma cells relative to fibroblasts than cisplatin, which is used for mesothelioma treatment. The anti-proliferative effect of NTP was enhanced by pre-incubation with the cellular iron donor, ferric ammonium citrate (FAC), and inhibited by iron chelation using desferrioxamine (DFO). Three oxidative stress probes (CM-H2DCFDA, MitoSOX and C11-BODIPY) demonstrated reactive oxygen species (ROS) generation by NTP, which was inhibited by DFO. Moreover, NTP decreased transferrin receptor-1 and increased ferritin-H and -L chain expression that was correlated with decreased iron-regulatory protein expression and RNA-binding activity. This regulation was potentially due to increased intracellular iron in lysosomes, which was demonstrated via the Fe(II)-selective probe, HMRhoNox-M, and was consistent with autophagic-induction. Immunofluorescence using LysoTracker and Pepstatin A probes demonstrated increased cellular lysosome content, which was confirmed by elevated LAMP1 expression. The enhanced lysosomal biogenesis after NTP could be due to the observed increase in fluid-phase endocytosis and early endosome formation. These results suggest NTP acts as a stressor, which results in increased endocytosis, lysosome content and autophagy. In fact, NTP rapidly increased autophagosome formation, as judged by increased LC3B-II expression, which co-localized with LAMP1, indicating autophagolysosome formation. Autophagic-induction by NTP was confirmed using electron microscopy. In summary, NTP acts as a cellular stressor to rapidly induce fluid-phase endocytosis, lysosome biogenesis and autophagy.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.freeradbiomed.2017.04.368
ISSN
収録物識別子タイプ PISSN
収録物識別子 0891-5849
書誌情報 en : Free Radical Biology and Medicine

巻 108, p. 904-917, 発行日 2017-07
著者版フラグ
値 author
URI
識別子 https://doi.org/10.1016/j.freeradbiomed.2017.04.368
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/26969
識別子タイプ HDL
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