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题目:: Dual function of Drosophila cells as APCs for naive CD8+ T cells: implications for tumor immunotherapy.
作者:: Sun(S),Cai(Z),Langlade-Demoyen(P),Kosaka(H),Brunmark(A),Jackson(M R),Peterson(P A),Sprent(J)
状态:: 发布时间1996-08-09 , 更新时间 2007-11-14
期刊:: Immunity
摘要:: With unseparated mouse spleen cells as responders, Drosophila cells expressing MHC class I (L(d)) molecules alone lead to peptide-specific responses of CD8+ cells in the absence of exogenous cytokines. Under these conditions, DNA released from dying cells stimulates the B cells in spleen to up-regulate costimulatory molecules; these activated B cells then provide bystander costimulation for CD8+ cells responding to class I-peptide complexes on the Drosophila APCs. By stimulating B cells and presenting antigen to T cells, Drosophila cells thus serve two different functions in promoting primary responses of CD8+ cells in vitro. With this system, we show that Ld-transfected Drosophila cells are able to induce autologous spleen cells to respond to a tumor-specific peptide in vitro and, after transfer, cause tumor rejection in vivo.
语言:: eng
DOI:

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