Abstract:
:Global transcriptional technologies have revolutionised the study of lymphoid cell populations, but human γδ T lymphocytes specific for phosphoantigens remain far less deeply characterised by these methods despite the great therapeutic potential of these cells. Here we analyse the transcriptome of circulating TCRVγ(+) γδ T cells isolated from healthy individuals, and their relation with those from other lymphoid cell subsets. We report that the gene signature of phosphoantigen-specific TCRVγ(+) γδ T cells is a hybrid of those from αβ T and NK cells, with more 'NK-cell' genes than αβ T cells have and more 'T-cell' genes than NK cells. The expression profile of TCRVγ(+) γδ T cells stimulated with phosphoantigen recapitulates their immediate physiological functions: Th1 cytokine, chemokine and cytotoxic activities reflect their high mitotic activity at later time points and do not indicate antigen-presenting functions. Finally, such hallmarks make the transcriptome of γδ T cells, whether resting or clonally expanding, clearly distinctive from that of NK/T or peripheral T-cell lymphomas of the γδ subtype.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Pont F,Familiades J,Déjean S,Fruchon S,Cendron D,Poupot M,Poupot R,L'faqihi-Olive F,Prade N,Ycart B,Fournié JJdoi
10.1002/eji.201141870subject
Has Abstractpub_date
2012-01-01 00:00:00pages
228-40issue
1eissn
0014-2980issn
1521-4141journal_volume
42pub_type
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