Independent Regulation of Cutaneous Lymphocyte-Associated Antigen Expression and Cytokine Synthesis Phenotype during Human CD4+ Memory T Cell Differentiation

Yuichi Teraki, Louis Picker

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67 Citations (Scopus)

Abstract

Although considerable attention has been paid to the development of cytokine synthesis heterogeneity during memory T cell differentiation, little information is available on how this function is coregulated with homing receptor expression. The development of skin-homing, CD4+ memory T cells in the human provides an excellent model for such investigation, since 1) the skin supports both Th1- and Th2-predominant responses in different settings, and 2) the skin-homing capability of human memory T cells correlates with and appears to depend on expression of the skin-selective homing receptor cutaneous lymphocyte-associated Ag (CLA). In this study, we used multiparameter FACS analysis to examine expression of CLA vs IFN-γ, IL-4, and IL-2 synthesis capabilities among fresh peripheral blood CD4+ memory T cells, and Th1 vs Th2 memory T cells generated in vitro from purified CD4+ naive precursors by cyclic activation in polarizing culture conditions. Among normal peripheral blood T cells, CLA expression was essentially identical among the IFN-γ- vs IL-4-producing CD4+ memory subsets, clearly indicating the existence of in vivo mechanisms capable of producing both Th1 vs Th2 skin-homing T cells. In vitro differentiation of naive CD4+ T cells confirmed the independent regulation of CLA and all three cytokines examined, regulation that allowed differential production of IFN-γ-, IL-4-, and IL-2-producing, CLA+ memory subsets. These studies also 1) demonstrated differences in regulatory factor activity depending on the differentiation status of the responding cell, and 2) revealed CLA expression to be much more rapidly reversible on established memory cells than cytokine synthesis capabilities.

Original languageEnglish (US)
Pages (from-to)6018-6029
Number of pages12
JournalJournal of Immunology
Volume159
Issue number12
StatePublished - Dec 15 1997
Externally publishedYes

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Cell Differentiation
Lymphocytes
Cytokines
T-Lymphocytes
Phenotype
Antigens
Skin
Interleukin-4
Interleukin-2
Lymphocyte Homing Receptors
Blood Cells

ASJC Scopus subject areas

  • Immunology

Cite this

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abstract = "Although considerable attention has been paid to the development of cytokine synthesis heterogeneity during memory T cell differentiation, little information is available on how this function is coregulated with homing receptor expression. The development of skin-homing, CD4+ memory T cells in the human provides an excellent model for such investigation, since 1) the skin supports both Th1- and Th2-predominant responses in different settings, and 2) the skin-homing capability of human memory T cells correlates with and appears to depend on expression of the skin-selective homing receptor cutaneous lymphocyte-associated Ag (CLA). In this study, we used multiparameter FACS analysis to examine expression of CLA vs IFN-γ, IL-4, and IL-2 synthesis capabilities among fresh peripheral blood CD4+ memory T cells, and Th1 vs Th2 memory T cells generated in vitro from purified CD4+ naive precursors by cyclic activation in polarizing culture conditions. Among normal peripheral blood T cells, CLA expression was essentially identical among the IFN-γ- vs IL-4-producing CD4+ memory subsets, clearly indicating the existence of in vivo mechanisms capable of producing both Th1 vs Th2 skin-homing T cells. In vitro differentiation of naive CD4+ T cells confirmed the independent regulation of CLA and all three cytokines examined, regulation that allowed differential production of IFN-γ-, IL-4-, and IL-2-producing, CLA+ memory subsets. These studies also 1) demonstrated differences in regulatory factor activity depending on the differentiation status of the responding cell, and 2) revealed CLA expression to be much more rapidly reversible on established memory cells than cytokine synthesis capabilities.",
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T1 - Independent Regulation of Cutaneous Lymphocyte-Associated Antigen Expression and Cytokine Synthesis Phenotype during Human CD4+ Memory T Cell Differentiation

AU - Teraki, Yuichi

AU - Picker, Louis

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N2 - Although considerable attention has been paid to the development of cytokine synthesis heterogeneity during memory T cell differentiation, little information is available on how this function is coregulated with homing receptor expression. The development of skin-homing, CD4+ memory T cells in the human provides an excellent model for such investigation, since 1) the skin supports both Th1- and Th2-predominant responses in different settings, and 2) the skin-homing capability of human memory T cells correlates with and appears to depend on expression of the skin-selective homing receptor cutaneous lymphocyte-associated Ag (CLA). In this study, we used multiparameter FACS analysis to examine expression of CLA vs IFN-γ, IL-4, and IL-2 synthesis capabilities among fresh peripheral blood CD4+ memory T cells, and Th1 vs Th2 memory T cells generated in vitro from purified CD4+ naive precursors by cyclic activation in polarizing culture conditions. Among normal peripheral blood T cells, CLA expression was essentially identical among the IFN-γ- vs IL-4-producing CD4+ memory subsets, clearly indicating the existence of in vivo mechanisms capable of producing both Th1 vs Th2 skin-homing T cells. In vitro differentiation of naive CD4+ T cells confirmed the independent regulation of CLA and all three cytokines examined, regulation that allowed differential production of IFN-γ-, IL-4-, and IL-2-producing, CLA+ memory subsets. These studies also 1) demonstrated differences in regulatory factor activity depending on the differentiation status of the responding cell, and 2) revealed CLA expression to be much more rapidly reversible on established memory cells than cytokine synthesis capabilities.

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