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Inhibition of H3K9 methyltransferase G9a ameliorates methylglyoxal-induced peritoneal fibrosis

https://hiroshima.repo.nii.ac.jp/records/2007965
https://hiroshima.repo.nii.ac.jp/records/2007965
ec488502-f737-4b33-b28d-131ec61ac014
名前 / ファイル ライセンス アクション
PLoSONE_12_e0173706.pdf PLoSONE_12_e0173706.pdf (1.3 MB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Inhibition of H3K9 methyltransferase G9a ameliorates methylglyoxal-induced peritoneal fibrosis
言語 en
作成者 Maeda, Kazuya

× Maeda, Kazuya

en Maeda, Kazuya

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Doi, Shigehiro

× Doi, Shigehiro

en Doi, Shigehiro

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Nakashima, Ayumu

× Nakashima, Ayumu

en Nakashima, Ayumu

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Nagai, Takuo

× Nagai, Takuo

en Nagai, Takuo

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Irifuku, Taisuke

× Irifuku, Taisuke

en Irifuku, Taisuke

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Ueno, Toshinori

× Ueno, Toshinori

en Ueno, Toshinori

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Masaki, Takao

× Masaki, Takao

en Masaki, Takao

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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
権利情報
権利情報 © 2017 Maeda et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
内容記述
内容記述 Activity of H3K9 histone methyltransferase G9a is reportedly induced by transforming growth factor-β1 (TGF-β1) and plays an important role in the progression of cancer and fibrosis. In this study, we investigated whether inhibition of G9a-mediated H3K9 methylation attenuates peritoneal fibrosis in mice and human peritoneal mesothelial cells (HPMCs). Nonadherent cells of peritoneal dialysis (PD) patients were isolated from PD effluent to examine expression of G9a. Peritoneal fibrosis was induced by peritoneal injection of methylglyoxal (MGO) in male C57/B6 mice for 3 weeks. BIX01294, a G9a inhibitor, was administered by subcutaneous injection. Effects of BIX01294 on MGO-induced pathological and functional changes in mice were evaluated by immunohistochemistry and a peritoneal equilibration test. HPMCs were isolated from human omentum, and the inhibitory effect of BIX01294 on TGF-β1-induced fibrotic changes was investigated in the HPMCs by western blotting. G9a was upregulated in nonadherent cells of human PD effluent, the peritoneum of MGO-injected mice, and TGF-β1-stimulated HPMCs. BIX01294 significantly reduced the submesothelial zone thickness and cell density in MGO-injected mice. Immunohistochemical staining revealed that BIX01294 treatment decreased not only mono-methylation of H3K9 (H3K9me1), but also the number of mesenchymal cells, accumulation of collagen, and infiltration of monocytes. In addition to the pathological changes, BIX01294 reduced the level of TGF-β1 in peritoneal fluid and improved peritoneal functions. Furthermore, BIX01294 inhibited TGF-β1-induced fibrotic changes along with suppression of H3K9me1 in HPMCs. Therefore, inhibition of H3K9 methyltransferase G9a suppresses peritoneal fibrosis through a reduction of H3K9me1.
言語 en
内容記述
内容記述タイプ Other
内容記述 This work was supported by the Hiroshima University Education and Research Support Foundation, grants-in-aid for kidney failure and hemodialysis research from the Japanese Association of Dialysis Physicians(Award Number:270805) and a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology of Japan (Award Number:16K09618).
出版者
出版者 Public Library of Science
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
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
識別子タイプ DOI
関連識別子 10.1371/journal.pone.0173706
関連情報
識別子タイプ DOI
関連識別子 https://doi.org/10.1371/journal.pone.0173706
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 1932-6203
開始ページ
開始ページ e0173706
書誌情報 PLoS ONE
PLoS ONE

巻 12, 号 3, p. e0173706, 発行日 2017-03-09
旧ID 47659
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