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T-cell responses to minor histocompatibility antigens

Academic Article
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Overview

authors

  • Lai, P. K.
  • Waterfield, J. D.
  • Gascoigne, Nicholas
  • Sharrock, C. E. M.
  • Mitchison, N. A.

publication date

  • 1982

journal

  • Immunology  Journal

abstract

  • We have investigated the helper and cytotoxic T-cell response to minor histocompatibility antigens and generated long term antigen-specific cell lines to them. Antigen-specific activity was selected for by regular restimulation with irradiated cells bearing the antigens in the presence of interleukin 2, so that alloreactivity to other cell surface antigens was gradually lost. Helper T cells cultured over several months were active in vivo and in vitro, but the culturing method eventually selected for cytotoxic T cells at the expense of helper T cells, with concomitant changes in the proportions of cells expressing the Lyt phenotypes. Individual long term cultures of cytotoxic T cells specific for minor histocompatibility antigens were restricted by either H2K or D but not both. Helper T cells to minor histocompatibility antigens derived directly from primed F1 mice did not show restriction to the priming parental haplotype. This is consistent with antigen reprocessing by the F1 antigen presenting cells such that populations of helper T cells restricted by both parental H-2 haplotypes were primed. F1 cytotoxic T cells were restricted to the parental H-2 haplotype used for in vitro boosting, irrespective of which H-2 was used for in vivo priming.

subject areas

  • Animals
  • Cell Line
  • Cytotoxicity, Immunologic
  • H-Y Antigen
  • Histocompatibility Antigens
  • Immunization, Passive
  • Lymphocyte Activation
  • Mice
  • Mice, Inbred Strains
  • Minor Histocompatibility Loci
  • Spleen
  • T-Lymphocytes
  • T-Lymphocytes, Cytotoxic
  • T-Lymphocytes, Helper-Inducer
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Identity

PubMed Central ID

  • PMC1555461

International Standard Serial Number (ISSN)

  • 0019-2805

PubMed ID

  • 6214502
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Additional Document Info

start page

  • 371

end page

  • 381

volume

  • 47

issue

  • 2

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