直近一年間の累計
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ID 115228
著者
Cowan, Jennifer E. National Institutes of Health
Malin, Justin National Institutes of Health
Zhao, Yongge National Institutes of Health
Seedhom, Mina O. National Institutes of Health
Harly, Christelle National Institutes of Health
Kelly, Michael National Institutes of Health
Yewdell, Jonathan W. National Institutes of Health
Cam, Maggie National Institutes of Health
Bhandoola, Avinash National Institutes of Health
資料タイプ
学術雑誌論文
抄録
Interactions between thymic epithelial cells (TEC) and developing thymocytes are essential for T cell development, but molecular insights on TEC and thymus homeostasis are still lacking. Here we identify distinct transcriptional programs of TEC that account for their age-specific properties, including proliferation rates, engraftability and function. Further analyses identify Myc as a regulator of fetal thymus development to support the rapid increase of thymus size during fetal life. Enforced Myc expression in TEC induces the prolonged maintenance of a fetal-specific transcriptional program, which in turn extends the growth phase of the thymus and enhances thymic output; meanwhile, inducible expression of Myc in adult TEC similarly promotes thymic growth. Mechanistically, this Myc function is associated with enhanced ribosomal biogenesis in TEC. Our study thus identifies age-specific transcriptional programs in TEC, and establishes that Myc controls thymus size.
掲載誌名
Nature Communications
ISSN
20411723
cat書誌ID
AA12645905
出版者
Springer Nature
10
開始ページ
5498
発行日
2019-12-02
権利情報
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
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出版社版DOI
出版社版URL
フルテキストファイル
言語
eng
著者版フラグ
出版社版
部局
先端酵素学研究所