The Common γ-Chain of Cytokine Receptors Regulates Intrathymic T Cell Development at Multiple Stages

You Wen He, Hiroshi Nakajima, Warren J. Leonard, Rebecca D Adkins, Thomas Malek

Research output: Contribution to journalArticle

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Abstract

Signaling through the common γ chain (γc), a subunit of the receptors for IL-2, -4, -7, -9, and -15, is critical for lymphocyte development, with the IL-7/IL-7R representing one important interaction. To investigate the stages of intrathymic T cell development that are dependent on γc and to determine whether γc controls T cell development solely as a component of the IL-7R, intrathymic T cell development was compared in IL-7R α-deficient mice and anti-γc-treated chimeric mice reconstituted with bone marrow and purified pro-T cells. In the presence of anti-γc, each of four phenotypically distinguishable stages of CD4-CD8- thymocytes failed to reconstitute T cell development, suggesting that each of these subsets of pro-T cells required γc for their differentiation and/or growth. Reconstitution of anti-γc-treated chimeric mice with bone marrow from IL-7R α-deficient mice indicated that IL-7R only partially contributed to intrathymic T cell development. Furthermore, when compared with IL-7R-deficient mice, anti-γc chimeric and γc-deficient mice exhibited a distinct phenotypic pattern of pro-T cell development. Collectively, these results indicate that several γc-sharing cytokines may contribute to T cell development in the thymus and suggest that one of these cytokines may be novel.

Original languageEnglish
Pages (from-to)2592-2599
Number of pages8
JournalJournal of Immunology
Volume158
Issue number6
StatePublished - Mar 15 1997

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Cytokine Receptors
T-Lymphocytes
Bone Marrow
Interleukin-4 Receptors
Cytokines
Interleukin-7
Interleukin-2 Receptors
T-Lymphocyte Subsets
Thymocytes
Thymus Gland
Lymphocytes
Growth

ASJC Scopus subject areas

  • Immunology

Cite this

The Common γ-Chain of Cytokine Receptors Regulates Intrathymic T Cell Development at Multiple Stages. / He, You Wen; Nakajima, Hiroshi; Leonard, Warren J.; Adkins, Rebecca D; Malek, Thomas.

In: Journal of Immunology, Vol. 158, No. 6, 15.03.1997, p. 2592-2599.

Research output: Contribution to journalArticle

He, You Wen ; Nakajima, Hiroshi ; Leonard, Warren J. ; Adkins, Rebecca D ; Malek, Thomas. / The Common γ-Chain of Cytokine Receptors Regulates Intrathymic T Cell Development at Multiple Stages. In: Journal of Immunology. 1997 ; Vol. 158, No. 6. pp. 2592-2599.
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