Dose-dependent selective priming of Th1 and Th2 immune responses is achieved only by an antigen with an affinity over a certain threshold level

Tai Hyoung Cho, Sun Hwa Chang, Yong Suk Jang

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Helper CD4+ T lymphocytes can be divided into two subsets, Th1 and Th2. The types of Th subsets activated during the adaptive immune response inductiondetermine the efficacy of immune responses against thee antigens introduced. Selective differentiation of subsets of CD4+ T lymphocytes has been known to be influenced by several factors, such as the cytokine environment around the T cells, the specificity of antigen recognition bythe T cell receptor, the expression of costimulatory molecules, and/ or the dose of the antigen applied to stimulate the T cells. In this study, we tried to determine the influence of the antigen dose on the selective priming of T lymphocytes when an inefficient antigen was applied since all the conclusions drawn from previous experiments were based on experiments with immune systems which responded well against the antigens introduced. When the recombinant hen egg-white lysozyme (HEL) was used too stimulate immune responses in HEL low-responder C57B3L/6 mice, dose-dependent selective priming of immune responses was not observed. However, when the variant antigen, which had been characterized as an efficientantigen in anti-HEL immune response induction in the low-responder mice, was applied, dose-dependent selective priming of Th immune responses was clearly demonstrated. These results suggested that dose-dependent selective priming of Th immune responses could be achieved only by the antigens with an affinity over a certain level.

Original languageEnglish
Pages (from-to)695-704
Number of pages10
JournalMolecules and Cells
Volume10
Issue number6
DOIs
Publication statusPublished - 2000 Dec 31

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Antigens
Egg White
Costimulatory and Inhibitory T-Cell Receptors
T-Cell Antigen Receptor Specificity
T-Lymphocytes
T-Lymphocyte Subsets
Adaptive Immunity
Helper-Inducer T-Lymphocytes
Immune System
Cytokines
hen egg lysozyme

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Dose-dependent selective priming of Th1 and Th2 immune responses is achieved only by an antigen with an affinity over a certain threshold level. / Cho, Tai Hyoung; Chang, Sun Hwa; Jang, Yong Suk.

In: Molecules and Cells, Vol. 10, No. 6, 31.12.2000, p. 695-704.

Research output: Contribution to journalArticle

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