Abstract:
:Human thymic stromal lymphopoietin (TSLP) promotes CD4(+) T-cell proliferation both directly and indirectly through dendritic cell (DC) activation. Although human TSLP-activated DCs induce CD8(+) T-cell proliferation, it is not clear whether TSLP acts directly on CD8(+) T cells. In this study, we show that human CD8(+) T cells activated by T-cell receptor stimulation expressed TSLP receptor (TSLPR), and that TSLP directly enhanced proliferation of activated CD8(+) T cells. Although non-stimulated human CD8(+) T cells from peripheral blood did not express TSLPR, CD8(+) T cells activated by anti-CD3 plus anti-CD28 did express TSLPR. After T-cell receptor stimulation, TSLP directly enhanced the expansion of activated CD8(+) T cells. Interestingly, using monocyte-derived DCs pulsed with a cytomegalovirus (CMV)-specific pp65 peptide, we found that although interleukin-2 allowed expansion of both CMV-specific and non-specific CD8(+) T cells, TSLP induced expansion of only CMV-specific CD8(+) T cells. These results suggest that human TSLP directly enhances expansion of CD8(+) T cells and that the direct and indirect action of TSLP on expansion of target antigen-specific CD8(+) T cells may be beneficial to adoptive cell transfer immunotherapy.
journal_name
Clin Exp Immunoljournal_title
Clinical and experimental immunologyauthors
Akamatsu T,Watanabe N,Kido M,Saga K,Tanaka J,Kuzushima K,Nishio A,Chiba Tdoi
10.1111/j.1365-2249.2008.03731.xsubject
Has Abstractpub_date
2008-10-01 00:00:00pages
98-106issue
1eissn
0009-9104issn
1365-2249pii
CEI3731journal_volume
154pub_type
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abstract::Serum inhibition factors (SIF) that suppress phytohaemagglutinin-induced blast transformation of normal lymphocytes, and lymphocyte E-rosette inhibitory factors (RIF) that inhibit the T cell-specific property of E-rosette formation were determined in sixty-five patients before and after cardiac surgery. SIF was found ...
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journal_title:Clinical and experimental immunology
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journal_title:Clinical and experimental immunology
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journal_title:Clinical and experimental immunology
pub_type: 杂志文章
doi:
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