“Radioresistant” intrathymic T cell precursors express T cell receptor Cγ4‐ and Cδ‐specific gene messages

Kenji Kishihara, Yasunobu Yoshikai, Goro Matsuzaki, Suguru Tomooka, Kikuo Nomoto

    Research output: Contribution to journalArticle

    19 Citations (Scopus)

    Abstract

    We have studied the expression and sequences of T cell receptor γ and δ chain gene messages in intrathymic T cell precursors of mice irradiated with 600 rads. On day 7 after irradiation a high level of expression of γ and δ chain messages was detected in thymocytes which were composed of a relatively high proportion of CD3+CD4CD8‐thymocytes. During further development of the precursors from day 7 to day 14 after irradiation, γ and δ chain messages fell to low levels and α and β mRNA levels increased. Nucleotide sequence analysis of 14 γ and 10 δ chain complementary DNA (cDNA) in the thymocytes on day 7 revealed that there were 7 functional γ chain transcripts composed of Vγ2‐Jγ2‐Cγ2 or Vγ1‐Jγ4‐gene segments, and only 1 functional δ chain transcript composed of the VδM23‐Dδ1‐Dδ2‐Jδl‐Cδ gene segments. The repertoire of γ chain and δ chain genes used in “radioresistant” intrathymic T cell precursors of adult mice appears to be limited.

    Original languageEnglish
    Pages (from-to)841-847
    Number of pages7
    JournalEuropean Journal of Immunology
    Volume18
    Issue number6
    DOIs
    Publication statusPublished - Jan 1 1988

    Fingerprint

    T-Lymphoid Precursor Cells
    Thymocytes
    T-Cell Antigen Receptor
    T-Cell Receptor Genes
    Genes
    Sequence Analysis
    Complementary DNA
    Messenger RNA

    All Science Journal Classification (ASJC) codes

    • Immunology and Allergy
    • Immunology

    Cite this

    “Radioresistant” intrathymic T cell precursors express T cell receptor Cγ4‐ and Cδ‐specific gene messages. / Kishihara, Kenji; Yoshikai, Yasunobu; Matsuzaki, Goro; Tomooka, Suguru; Nomoto, Kikuo.

    In: European Journal of Immunology, Vol. 18, No. 6, 01.01.1988, p. 841-847.

    Research output: Contribution to journalArticle

    Kishihara, Kenji ; Yoshikai, Yasunobu ; Matsuzaki, Goro ; Tomooka, Suguru ; Nomoto, Kikuo. / “Radioresistant” intrathymic T cell precursors express T cell receptor Cγ4‐ and Cδ‐specific gene messages. In: European Journal of Immunology. 1988 ; Vol. 18, No. 6. pp. 841-847.
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