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著作: [安友 康二]/Doyle C/Miele L/Fuchs C/Germain RN/The duration of antigen receptor signalling determines CD4+ versus CD8+ T-cell lineage fate/[Nature]

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EID
101377
EOID
656463
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LastModified
2012年8月31日(金) 18:04:05
Operator
大家 隆弘
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Owner
安友 康二
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種別 必須 学術論文(審査論文)
言語 必須 英語
招待 推奨
審査 推奨 Peer Review
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学究種別 推奨
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著者 必須
  1. 安友 康二([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.病理系.生体防御医学])
    役割 任意
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    学籍番号 推奨
  2. (英) Doyle C
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    貢献度 任意
    学籍番号 推奨
  3. (英) Miele L
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    貢献度 任意
    学籍番号 推奨
  4. (英) Fuchs C
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    貢献度 任意
    学籍番号 推奨
  5. (英) Germain RN
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    貢献度 任意
    学籍番号 推奨
題名 必須

(英) The duration of antigen receptor signalling determines CD4+ versus CD8+ T-cell lineage fate

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(英) Signals elicited by binding of the T-cell antigen receptor and the CD4/CD8 co-receptor to major histocompatibility complex (MHC) molecules control the generation of CD4+ (helper) or CD8+ (cytotoxic) T cells from thymic precursors that initially express both co-receptor proteins. These precursors have unique, clonally distributed T-cell receptors with unpredictable specificity for the self-MHC molecules involved in this differentiation process. However, the mature T cells that emerge express only the CD4 (MHC class II-binding) or CD8 (MHC class I-binding) co-receptor that complements the MHC class-specificity of the T-cell receptor. How this matching of co-receptor-defined lineage and T-cell-receptor specificity is achieved remains unknown, as does whether signalling by the T-cell receptors, co-receptors and/or general cell-fate regulators such as Notch-1 contributes to initial lineage choice, to subsequent differentiation processes or to both. Here we show that the CD4 versus CD8 lineage fate of immature thymocytes is controlled by the co-receptor-influenced duration of initial T-cell receptor-dependent signalling. Notch-1 does not appear to be essential for this fate determination, but it is selectively required for CD8+ T-cell maturation after commitment directed by T-cell receptors. This indicates that the signals constraining CD4 versus CD8 lineage decisions are distinct from those that support subsequent differentiation events such as silencing of co-receptor loci.

キーワード 推奨
  1. (英) Animals
  2. (英) Antigens, CD
  3. (英) Antigens, CD4
  4. (英) Antigens, CD8
  5. (英) Antigens, Differentiation, T-Lymphocyte
  6. (英) CD4-Positive T-Lymphocytes
  7. (英) CD8-Positive T-Lymphocytes
  8. (英) Cell Lineage
  9. (英) Cells, Cultured
  10. (英) Female
  11. (英) Lectins, C-Type
  12. (英) Leukopoiesis
  13. (英) Ligands
  14. (英) Major Histocompatibility Complex
  15. (英) Male
  16. (英) Membrane Proteins
  17. (英) Mice
  18. (英) Mice, Inbred C57BL
  19. (英) Mice, Transgenic
  20. (英) Models, Immunological
  21. (英) Receptor, Notch1
  22. (英) Receptors, Antigen, T-Cell
  23. (英) Receptors, Cell Surface
  24. (英) Signal Transduction
  25. (英) Thymus Gland
  26. (英) Time Factors
  27. (英) Transcription Factors
発行所 推奨
誌名 必須 Nature([Nature Publishing Group])
(pISSN: 0028-0836, eISSN: 1476-4687)
ISSN 任意 0028-0836
ISSN: 0028-0836 (pISSN: 0028-0836, eISSN: 1476-4687)
Title: Nature
Title(ISO): Nature
Publisher: Nature Portfolio
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
必須 404
必須 6777
必須 506 510
都市 任意
年月日 必須 2000年 3月 30日
URL 任意
DOI 任意 10.1038/35006664    (→Scopusで検索)
PMID 任意 10761920    (→Scopusで検索)
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指導教員 推奨
備考 任意
  1. (英) Article.Affiliation: Lymphocyte Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA.

  2. (英) Article.PublicationTypeList.PublicationType: Journal Article

  3. (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't

  4. (英) Article.PublicationTypeList.PublicationType: Research Support, U.S. Gov't, P.H.S.