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Atg5 regulates formation of MyD88 condensed structures and MyD88-dependent signal transduction.
https://asahi-u.repo.nii.ac.jp/records/1272
https://asahi-u.repo.nii.ac.jp/records/1272a7ca0fd5-5893-4550-971d-f0aee204c84b
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
0006291X_437_509514_2013 (627.4 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2015-01-07 | |||||
| タイトル | ||||||
| タイトル | Atg5 regulates formation of MyD88 condensed structures and MyD88-dependent signal transduction. | |||||
| タイトル | ||||||
| タイトル | Atg5 regulates formation of MyD88 condensed structures and MyD88-dependent signal transduction. | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Animals | |||||
| 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 | Fibroblasts | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Gene Expression Regulation | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | HEK293 Cells | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Humans | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Mice | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Mice, Knockout | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Microtubule-Associated Proteins | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Myeloid Differentiation Factor 88 | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Signal Transduction | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | TNF Receptor-Associated Factor 6 | |||||
| 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 |
INOMATA, MEGUMI
× INOMATA, MEGUMI× INTO, TAKESHI× Niida, Shumpei× Murakami, Yukitaka |
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| 所属 | ||||||
| Laboratory of Genomics and Proteomics, National Center for Geriatrics and Gerontology | ||||||
| 所属 | ||||||
| Department of Oral Microbiology, Division of Oral Infections and Health Sciences, Asahi University School of Dentistry |
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| 所属 | ||||||
| Laboratory of Genomics and Proteomics, National Center for Geriatrics and Gerontology | ||||||
| 所属 | ||||||
| Department of Oral Microbiology, Division of Oral Infections and Health Sciences, Asahi University School of Dentistry |
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| 書誌情報 |
en : Biochemical and biophysical research communications 巻 437, 号 4, p. 509-514, 発行日 2013-01-01 |
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| 出版者 | ||||||
| Elsevier | ||||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | MyD88 is known as an essential adaptor protein for Toll-like receptors (TLRs). Previous studies have shown that transfected MyD88 forms condensed structures in the cytoplasm. However, upon TLR stimulation, there is little formation of endogenous MyD88 condensed structures. Thus, the formation of MyD88 condensed structures is tightly suppressed, but the mechanism and significance of this suppression are currently unknown. Here we show that Atg5, a key regulatory protein of autophagy, inhibits the formation of MyD88 condensed structures. We found that endogenous MyD88 had already formed condensed structures in Atg5-deficient cells and that the formation of condensed structures was further enhanced by TLR stimulation. This suppressive effect of Atg5 may not be associated with autophagic processes because MyD88 itself was not degraded and because TLR stimulation did not induce LC3 punctate formation and LC3 conversion. Immunoprecipitation analysis revealed that Atg5 could interact with MyD88. Furthermore, Atg5 deficiency increased formation of the MyD88-TRAF6 signaling complex induced by TLR stimulation, and it enhanced activation of NF-κB signaling but not MAPKs and Akt. These findings indicate that Atg5 regulates the formation of MyD88 condensed structures through association with MyD88 and eventually exerts a modulatory effect on MyD88-dependent signaling. | |||||
| 内容記述 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | MyD88 is known as an essential adaptor protein for Toll-like receptors (TLRs). Previous studies have shown that transfected MyD88 forms condensed structures in the cytoplasm. However, upon TLR stimulation, there is little formation of endogenous MyD88 condensed structures. Thus, the formation of MyD88 condensed structures is tightly suppressed, but the mechanism and significance of this suppression are currently unknown. Here we show that Atg5, a key regulatory protein of autophagy, inhibits the formation of MyD88 condensed structures. We found that endogenous MyD88 had already formed condensed structures in Atg5-deficient cells and that the formation of condensed structures was further enhanced by TLR stimulation. This suppressive effect of Atg5 may not be associated with autophagic processes because MyD88 itself was not degraded and because TLR stimulation did not induce LC3 punctate formation and LC3 conversion. Immunoprecipitation analysis revealed that Atg5 could interact with MyD88. Furthermore, Atg5 deficiency increased formation of the MyD88-TRAF6 signaling complex induced by TLR stimulation, and it enhanced activation of NF-κB signaling but not MAPKs and Akt. These findings indicate that Atg5 regulates the formation of MyD88 condensed structures through association with MyD88 and eventually exerts a modulatory effect on MyD88-dependent signaling. | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1090-2104 | |||||
| PubMed番号 | ||||||
| 関連タイプ | isVersionOf | |||||
| 識別子タイプ | PMID | |||||
| 関連識別子 | 23831471 | |||||
| DOI | ||||||
| 関連タイプ | isVersionOf | |||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | info:doi/10.1016/j.bbrc.2013.06.094 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://www.sciencedirect.com/science/article/pii/S0006291X13010929# | |||||
| 関連名称 | 出版社版 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://www.elsevier.com/online-tools/sciencedirect | |||||
| 関連名称 | Elsevier | |||||
| 著者版フラグ | ||||||
| 出版タイプ | AM | |||||
| 出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
