Limiting dilution analysis of CD45Rhi and CD45Rlo T cells: Further evidence that CD45Rlo cells are memory cells

William T. Lee, Ellen S. Vitetta

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Murine CD4+ T cells can be separated into two distinct populations on the basis of their levels of expression of the CD45RB antigen (CD45Rhi and CD45Rlo). Murine CD45Rlo cells arise from CD45Rhi cells after antigenic exposure and provide antigen-specific help to B cells in a secondary immune response. In the present study, the ability of CD45Rhi and CD45Rlo cells to proliferate in response to either soluble antigen or allogeneic cells was examined by limiting dilution analysis. CD45Rhi cells were the major responding cells in unprimed animals; priming caused a large increase in the frequencies of responding CD45Rlo cells and this increase was evident 11 months later. These results further support the notion that CD4+ CD45Rlo cells are long-term memory cells.

Original languageEnglish (US)
Pages (from-to)459-471
Number of pages13
JournalCellular Immunology
Volume130
Issue number2
DOIs
StatePublished - Oct 15 1990

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T-Lymphocytes
CD45 Antigens
Antigens
Aptitude
Long-Term Memory
B-Lymphocytes
Population

ASJC Scopus subject areas

  • Cell Biology
  • Immunology

Cite this

Limiting dilution analysis of CD45Rhi and CD45Rlo T cells : Further evidence that CD45Rlo cells are memory cells. / Lee, William T.; Vitetta, Ellen S.

In: Cellular Immunology, Vol. 130, No. 2, 15.10.1990, p. 459-471.

Research output: Contribution to journalArticle

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