The long road to functional maturity for developing T cells

Immunology Today
E V Rothenberg

Abstract

The past two years have clarified the role of the thymus as a filter for T cells with appropriate recognition specificities. What remains a knottier problem is the role of the thymus as an inductive microenvironment for changes in the regulation of genes involved in effector function--that is, making T cells into competent elements in immune defenses. It is still uncertain to what extent the functional role of a T cell--as an interleukin 2 (IL-2)-producing helper, an IL-4-producing helper, or a killer expressing granzymes and perforin--is irreversibly determined by intrathymic events. Another, related question is whether the stimuli required by a cell to induce expression of any of its 'response' genes may also change in development, through maturation of specialized signal transduction pathways. If so, some differentiation events that profoundly affect the immunological role of T cells might be subtle and difficult to score.(ABSTRACT TRUNCATED AT 250 WORDS)

References

Dec 1, 1987·Proceedings of the National Academy of Sciences of the United States of America·D RamarliE L Reinherz
Aug 1, 1988·Immunological Reviews·E V RothenbergP D Boyer
Apr 24, 1987·Cell·J W KapplerP Marrack

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Citations

May 1, 1989·Research in Immunology·M W KieranA Israel
Jul 18, 2002·Proceedings of the National Academy of Sciences of the United States of America·Yongning HeMichael G Rossmann
Nov 9, 2000·The Journal of Immunology : Official Journal of the American Association of Immunologists·J M FengA T Campagnoni

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