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Nature. 1985 Aug 22-28;316(6030):744-6.

T cells with receptors for IgD.

Abstract

The role of IgD in the immune response has been elusive, although its predominance on the cell surface suggests a receptor function. We have shown previously that euthymic but not athymic BALB/c mice, injected with IgD before antigen, exhibit enhanced antibody responses which can be transferred by T cells. Isotype-specific T cells have been reported to have both upward and downward immunoregulatory effects. Here we demonstrate the existence of T cells with receptors for IgD, and show that exposure to IgD in vivo or in vitro significantly increases the number of T delta cells in the spleen and lymph nodes but not in the thymus. The kinetics of T delta-cell appearance in vivo parallels that of the immunoenhancing effect which occurs after injection of IgD. These T delta cells are of the Lyt 1+2- T-cell phenotype.

PMID:
3875799
DOI:
10.1038/316744a0
[Indexed for MEDLINE]

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