Signal requirements in the step-wise functional maturation of cytotoxic T lymphocytes
Signal requirements in the step-wise functional maturation of cytotoxic T lymphocytes
复制标题
细胞毒性 T 淋巴细胞逐步功能成熟的信号要求
作者:
G. Gromo;R. Geller;L. Inverardi;F. Bach
The generation of effector cytotoxic T lymphocytes from resting precursors proceeds through a series of steps in a pathway that, in aggregate, involves both proliferation and development of cytotoxicity1–7. To understand the relationship of the various signals (mitogens and/or lymphokines) that bring about progress along this pathway, it is desirable to define a series of 'minimal signals', each of which stimulates the cell to proceed to a further stage in this process of differentiation. Stimulation of lymphocytes with two different monoclonal antibodies directed against the CD2 surface molecule induces a proliferative response8; we report here that both CD4+ and CD8+ cells proliferate in response to such a stimulus but do not develop cytotoxicity. Addition of recombinant γ-interferon (rIFN-γ) or recombinant IL-2 (rIL-2) to the activated cells leads to acquisition of cytotoxic status by the CD8+ cells but not the CD4+ cells. The availability, in addition to precursors and effectors, of an apparently intermediate stage in the form of proliferating CD8+ cells that are non-cytotoxic should facilitate both cellular and molecular studies of this maturation pathway; the differences between CD4+ and CD8+ cells in development of cytotoxicity under these experimental conditions is a valuable model for understanding differentiation of T lymphocytes.
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DOI:
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发表时间:
1983
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
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作者:
Martin,PJ;Longton,G;Ledbetter,JA;Newman,W;Braun,MP;Beatty,PG;Hansen,JA
通讯作者:
Hansen,JA
DOI:
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发表时间:
1983
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
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作者:
Orosz,CG;Roopenian,DC;Bach,FH
通讯作者:
Bach,FH
影响因子:
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作者:
Ochoa,AC;Gromo,G;Wee,SL;Bach,FH
通讯作者:
Bach,FH
DOI:
--
发表时间:
1987
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Gromo,G;Geller,RL;Inverardi,L;Wee,SL;Bach,FH
通讯作者:
Bach,FH