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UCP1-dependent and UCP1-independent metabolic changes induced by acute cold exposure in brown adipose tissue of mice

https://tokushima-u.repo.nii.ac.jp/records/2009500
https://tokushima-u.repo.nii.ac.jp/records/2009500
0a10a9ae-34c7-4751-9e70-45dcf1b998af
名前 / ファイル ライセンス アクション
metabol_113_154396.pdf metabol_113_154396.pdf (1.45 MB)
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Item type 文献 / Documents(1)
公開日 2022-01-24
アクセス権
アクセス権 open access
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
出版社版DOI
関連識別子 https://doi.org/10.1016/j.metabol.2020.154396
関連名称 10.1016/j.metabol.2020.154396
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
タイトル
タイトル UCP1-dependent and UCP1-independent metabolic changes induced by acute cold exposure in brown adipose tissue of mice
著者 オカマツ オグラ, ユウコ

× オカマツ オグラ, ユウコ

ja オカマツ オグラ, ユウコ

ja-Kana オカマツ オグラ, ユウコ

en Okamatsu-Ogura, Yuko

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黒田, 雅士

× 黒田, 雅士

WEKO 864
徳島大学 教育研究者総覧 323761/profile-ja.html

ja 黒田, 雅士
ISNI

ja-Kana クロダ, マサシ

en Kuroda, Masashi

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堤, 理恵

× 堤, 理恵

WEKO 428
徳島大学 教育研究者総覧 207524/profile-ja.html
e-Rad 80510172

ja 堤, 理恵
ISNI

ja-Kana ツツミ, リエ

en Tsutsumi, Rie

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ツボタ, アユミ

× ツボタ, アユミ

ja ツボタ, アユミ

ja-Kana ツボタ, アユミ

en Tsubota, Ayumi

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サイトウ, マサユキ

× サイトウ, マサユキ

ja サイトウ, マサユキ

ja-Kana サイトウ, マサユキ

en Saito, Masayuki

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キムラ, カズヒロ

× キムラ, カズヒロ

ja キムラ, カズヒロ

ja-Kana キムラ, カズヒロ

en Kimura, Kazuhiro

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阪上, 浩

× 阪上, 浩

WEKO 365
徳島大学 教育研究者総覧 186826/profile-ja.html
e-Rad 60372645

ja 阪上, 浩
ISNI

ja-Kana サカウエ, ヒロシ

en Sakaue, Hiroshi

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抄録
内容記述 Background: Brown adipose tissue (BAT) is a site of metabolic thermogenesis mediated by mitochondrial uncoupling protein 1 (UCP1) and represents a target for a therapeutic intervention in obesity. Cold exposure activates UCP1-mediated thermogenesis in BAT and causes drastic changes in glucose, lipid, and amino acid metabolism; however, the relationship between these metabolic changes and UCP1-mediated thermogenesis is not fully understood.
Methods: We conducted metabolomic and GeneChip array analyses of BAT after 4-h exposure to cold temperature (10 °C) in wild-type (WT) and UCP1-KO mice.
Results: Cold exposure largely increased metabolites of the glycolysis pathway and lactic acid levels in WT, but not in UCP1-KO, mice, indicating that aerobic glycolysis is enhanced as a consequence of UCP1-mediated thermogenesis. GeneChip array analysis of BAT revealed that there were 2865 genes upregulated by cold exposure in WT mice, and 838 of these were upregulated and 74 were downregulated in UCP1-KO mice. Pathway analysis revealed the enrichment of genes involved in fatty acid (FA) β oxidation and triglyceride (TG) synthesis in both WT and UCP1-KO mice, suggesting that these metabolic pathways were enhanced by cold exposure independently of UCP1-mediated thermogenesis. FA and cholesterol biosynthesis pathways were enhanced only in UCP1-KO mice. Cold exposure also significantly increased the BAT content of proline, tryptophan, and phenylalanine amino acids in both WT and UCP1-KO mice. In WT mice, cold exposure significantly increased glutamine content and enhanced the expression of genes related to glutamine metabolism. Surprisingly, aspartate was almost completely depleted after cold exposure in UCP1-KO mice. Gene expression analysis suggested that aspartate was actively utilized after cold exposure both in WT and UCP1-KO mice, but it was replenished from intracellular N-acetyl-aspartate in WT mice.
Conclusions: These results revealed that cold exposure induces UCP1-mediated thermogenesis-dependent glucose utilization and UCP1-independent active lipid metabolism in BAT. In addition, cold exposure largely affects amino acid metabolism in BAT, especially UCP1-dependently enhances glutamine utilization. These results contribute a comprehensive understanding of UCP1-mediated thermogenesis-dependent and thermogenesis-independent metabolism in BAT.
キーワード
主題 Brown adipose tissue
キーワード
主題 Uncoupling protein 1
キーワード
主題 Cold exposure
キーワード
主題 Metabolomics
キーワード
主題 GeneChip array
書誌情報 en : Metabolism: Clinical and Experimental

巻 113, p. 154396, 発行日 2020-10-14
収録物ID
収録物識別子タイプ ISSN
収録物識別子 00260495
収録物ID
収録物識別子タイプ NCID
収録物識別子 AA0073583X
収録物ID
収録物識別子タイプ NCID
収録物識別子 AA1153483X
出版者
出版者 Elsevier
権利情報
権利情報 This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
EID
識別子 380324
言語
言語 eng
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