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J Immunol. 1986 Jan;136(2):446-51.

Activation requirements of cloned inducer T cells. II. The failure of some clones to respond to antigen presented by activated B cells.

Journal of immunology (Baltimore, Md. : 1950)

R H Dekruyff, H Cantor, M E Dorf

PMID: 3484492

Abstract

Inducer/helper T cells recognize nominal antigen in association with Ia on the surface of the antigen-presenting cell (APC). Recent studies have shown that B cells can effectively function as APC. In the present study we have assessed the ability of cloned inducer T cells to discriminate between activated B cells or splenic macrophages as APC. We found that most of the clones tested demonstrated an equivalent response to antigen presented by activated B cells or splenic adherent cells. Some clones were very efficiently stimulated by antigen presented by activated B cells, whereas other clones failed to respond or responded very poorly when activated B cells were used to present antigen. We attempted to determine the mechanism responsible for the inability of certain clones to proliferate in response to antigen presented by activated B cells.

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