A CMV-induced adaptive human Vδ1+ γδ T cell clone recognizes HLA-DR.
A CMV-induced adaptive human Vδ1+ γδ T cell clone recognizes HLA-DR.
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DOI:
10.1084/jem.20212525
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发表时间:
2022-09-05
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Deseke et al. use soluble γδ TCRs and CRISPR/Cas9-mediated screening to identify the MHC class II surface receptor HLA-DR as the cognate TCR ligand of a CMV-induced Vδ1+ γδ T cell clone, which is cross-recognizing leukemia cells. The innate and adaptive roles of γδ T cells and their clonal γδ T cell receptors (TCRs) in immune responses are still unclear. Recent studies of γδ TCR repertoire dynamics showed massive expansion of individual Vδ1+ γδ T cell clones during viral infection. To judge whether such expansion is random or actually represents TCR-dependent adaptive immune responses, information about their cognate TCR ligands is required. Here, we used CRISPR/Cas9-mediated screening to identify HLA-DRA, RFXAP, RFX5, and CIITA as required for target cell recognition of a CMV-induced Vγ3Vδ1+ TCR, and further characterization revealed a direct interaction of this Vδ1+ TCR with the MHC II complex HLA-DR. Since MHC II is strongly upregulated by interferon-γ, these results suggest an inflammation-induced MHC-dependent immune response of γδ T cells.
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影响因子:
6.7
作者:
Krey T;d'Alayer J;Kikuti CM;Saulnier A;Damier-Piolle L;Petitpas I;Johansson DX;Tawar RG;Baron B;Robert B;England P;Persson MA;Martin A;Rey FA
通讯作者:
Rey FA
影响因子:
46.9
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Doench JG;Fusi N;Sullender M;Hegde M;Vaimberg EW;Donovan KF;Smith I;Tothova Z;Wilen C;Orchard R;Virgin HW;Listgarten J;Root DE
通讯作者:
Root DE
影响因子:
5.4
作者:
DELFAU, MH;HANCE, AJ;GRANDCHAMP, B
通讯作者:
GRANDCHAMP, B
影响因子:
24.1
作者:
Deseke M;Prinz I
通讯作者:
Prinz I
影响因子:
6.7
作者:
Gonzalez-Motos, Victor;Juergens, Carina;Viejo-Borbolla, Abel
通讯作者:
Viejo-Borbolla, Abel