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An allospecific murine T helper clone which can help both T and B cell responses in vitro and in vivo

Academic Article
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Overview

authors

  • Crispe, I. N.
  • Gascoigne, Nicholas
  • Owens, T.

publication date

  • 1984

journal

  • Immunology  Journal

abstract

  • Both B lymphocytes and cytotoxic T lymphocytes respond to signals from the T helper (Th) compartment, and such signals are mediated by a number of biochemically distinct factors. This raises the question whether help for B cells and T cells is a function of one or several different kinds of Th cell. Here we describe an in vitro and in vivo study of this problem, using a Th clone, designated MTH-1. The clone carries the cell surface markers Thy-1 and L3T4a, but lacks Lyt-2. It recognizes a minor alloantigen shared by DBA/2, B10.D2 and NZB spleen cells, and such recognition is restricted by H-2Ed. Recognition of antigen in vitro is accompanied by secretion of IL-2. In vivo, both primary and secondary CTL responses to multiple minor alloantigens are enhanced by small numbers (less than or equal to 10(4] of MTH-1 cells. Recognition of alloantigen in a T-depleted B cell population results in the polyclonal activation and maturation of the B cells to secrete immunoglobulin; also, antigen-primed B cells are augmented in their in vivo synthesis of specific antibody to the Thy-1 X 1 alloantigen by around 10(5) MTH-1 cells. Taken together, these results suggest a single Th clone can help both B cells and T cells.

subject areas

  • Animals
  • B-Lymphocytes
  • Clone Cells
  • Female
  • Immunologic Memory
  • Lymphocyte Activation
  • Lymphocyte Cooperation
  • Mice
  • Mice, Inbred Strains
  • T-Lymphocytes, Cytotoxic
  • T-Lymphocytes, Helper-Inducer
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Identity

PubMed Central ID

  • PMC1454605

International Standard Serial Number (ISSN)

  • 0019-2805

PubMed ID

  • 6232208
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Additional Document Info

start page

  • 55

end page

  • 65

volume

  • 52

issue

  • 1

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