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  1. 医学科
  2. 内科学講座 消化器・血液
  3. 学術雑誌掲載論文等(内科学講座 消化器・血液)
  1. 附属病院
  2. 消化器内科
  3. 学術雑誌掲載論文等(消化器内科)

Targeted deletion of Atg5 in intestinal epithelial cells promotes dextran sodium sulfate-induced colitis.

http://hdl.handle.net/10422/00012938
http://hdl.handle.net/10422/00012938
82358c7a-cf6c-46db-98e3-e8fbc0f5d84f
名前 / ファイル ライセンス アクション
jcbn.20-90.pdf jcbn.20-90 (1.4 MB)
This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License.
https://creativecommons.org/licenses/by-nc-nd/4.0/
Item type 学術雑誌論文 / Journal Article(1)
公開日 2021-04-07
タイトル
タイトル Targeted deletion of Atg5 in intestinal epithelial cells promotes dextran sodium sulfate-induced colitis.
言語
言語 eng
キーワード
言語 en
主題Scheme Other
主題 autophagy
キーワード
言語 en
主題Scheme Other
主題 IRE1α
キーワード
言語 en
主題Scheme Other
主題 IBD
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
著者 NISHINO, Kyohei

× NISHINO, Kyohei

WEKO 7565

NISHINO, Kyohei

Search repository
NISHIDA, Atsushi

× NISHIDA, Atsushi

WEKO 7639
e-Rad 90719915
ORCID 0000-0002-1288-3272

NISHIDA, Atsushi

Search repository
INATOMI, Osamu

× INATOMI, Osamu

WEKO 706
e-Rad 70530351
ORCID 0000-0002-5837-6575

INATOMI, Osamu

Search repository
IMAI, Takayuki

× IMAI, Takayuki

WEKO 7638
ORCID 0000-0002-9170-4075

IMAI, Takayuki

Search repository
KUME, Shinji

× KUME, Shinji

WEKO 1869
e-Rad 00452235
ORCID 0000-0001-6937-9715

KUME, Shinji

Search repository
KAWAHARA, Masahiro

× KAWAHARA, Masahiro

WEKO 7509
e-Rad 80617449
ORCID 0000-0002-2721-7571

KAWAHARA, Masahiro

Search repository
MAEGAWA, Hiroshi

× MAEGAWA, Hiroshi

WEKO 538
e-Rad 00209363
ORCID 0000-0002-4611-8149

MAEGAWA, Hiroshi

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ANDOH, Akira

× ANDOH, Akira

WEKO 644
e-Rad 90252395
ORCID 0000-0001-8533-2669

ANDOH, Akira

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著者別名 西野, 恭平

× 西野, 恭平

WEKO 7565

西野, 恭平

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西田, 淳史

× 西田, 淳史

WEKO 7639
e-Rad 90719915
ORCID 0000-0002-1288-3272

西田, 淳史

Search repository
稲富, 理

× 稲富, 理

WEKO 706
e-Rad 70530351
ORCID 0000-0002-5837-6575

稲富, 理

Search repository
今井, 隆行

× 今井, 隆行

WEKO 7638
ORCID 0000-0002-9170-4075

今井, 隆行

Search repository
久米, 真司

× 久米, 真司

WEKO 1869
e-Rad 00452235
ORCID 0000-0001-6937-9715

久米, 真司

Search repository
河原, 真大

× 河原, 真大

WEKO 7509
e-Rad 80617449
ORCID 0000-0002-2721-7571

河原, 真大

Search repository
前川, 聡

× 前川, 聡

WEKO 538
e-Rad 00209363
ORCID 0000-0002-4611-8149

前川, 聡

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安藤, 朗

× 安藤, 朗

WEKO 644
e-Rad 90252395
ORCID 0000-0001-8533-2669

安藤, 朗

Search repository
抄録
内容記述タイプ Abstract
内容記述 Autophagy-associated genes have been identified as susceptible loci for inflammatory bowel disease. We investigated the role of a core autophagy factor, Atg5, in the development of dextran sodium sulfate (DSS)-induced colitis. Intestinal epithelial cell (IEC)-specific Atg5 gene deficient mice (Atg5ΔIEC mice) were generated by cross of Atg5-floxed mice (Atg5fl/fl) with transgenic mice expressing Cre-recombinase driven by the villin promotor. Mice were given three cycles of 1.5% DSS in drinking water for 5 days and regular water for 14 days over a 60-day period. The dysfunction of autophagy characterized by a marked accumulation of p62 protein, a substrate for autophagy degradation, was detected in epithelial cells in the non-inflamed and inflamed mucosa of inflammatory bowel disease patients. DSS-colitis was exacerbated in Atg5ΔIEC mice compared to control Atg5fl/fl mice. Phosphorylation of inositol-requiring transmembrane kinase/endonuclease1α (IRE1α), a sensor for endoplasmic reticulum stress, and c-Jun N-terminal kinase, a downstream target of IRE1α, were significantly enhanced in IECs in DSS-treated Atg5ΔIEC mice. Accumulation of phosphorylated IRE1α was enhanced by the treatment with chloroquine, an autophagy inhibitor. Apoptotic IECs were more abundant in DSS-treated Atg5ΔIEC mice. These findings suggest that Atg5 suppresses endoplasmic reticulum stress-induced apoptosis of IECs via the degradation of excess p-IRE1α.
書誌情報 en : Journal of Clinical Biochemistry and Nutrition

巻 68, 号 2, p. 156-163, 発行日 2021
出版者
出版者 一般社団法人 日本酸化ストレス学会
別言語の出版者
出版者 SOCIETY FOR FREE RADICAL RESEARCH JAPAN
ISSN
収録物識別子タイプ ISSN
収録物識別子 0912-0009
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 https://doi.org/10.3164/jcbn.20-90
関連名称 10.3164/jcbn.20-90
権利
権利情報 © 2021 JCBN
フォーマット
内容記述タイプ Other
内容記述 pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
NAID
関連タイプ isIdenticalTo
識別子タイプ NAID
関連識別子 130007993417
資源タイプ
内容記述タイプ Other
内容記述 Journal Article
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