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Related Experiment Videos

Idiotype-dependent repertoire generation in the network system

H Yamamoto1

  • 1Department of Immunology, National Center of Neurology and Psychiatry, Tokyo, Japan.

Critical Reviews in Immunology
|January 1, 1993
PubMed
Summary

The immune system shapes B and T lymphocyte repertoires through gene rearrangement and selection by antigens. Immunoglobulin idiotypes play a significant role in this selection process, influencing immune responses.

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Area of Science:

  • Immunology
  • Molecular Biology

Background:

  • Lymphocyte receptor diversity arises from V gene and D-J segment rearrangement, creating a potential repertoire.
  • This potential repertoire is refined into an available repertoire through selection by host antigens in the periphery.
  • T-lymphocyte selection occurs primarily in the thymus to eliminate self-reactive cells.

Purpose of the Study:

  • To review the role of immunoglobulin idiotypes in shaping B and T lymphocyte repertoires.
  • To discuss how the host idiotype repertoire influences immune cell selection.

Main Methods:

  • This review synthesizes existing literature on lymphocyte repertoire selection.
  • It focuses on the impact of immunoglobulin idiotypes on this process.

Main Results:

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  • The available lymphocyte repertoire is a selected subset of the potential repertoire.
  • Host antigens and immunoglobulin idiotypes are key factors in repertoire selection.
  • The thymus plays a critical role in initial T-lymphocyte selection.

Conclusions:

  • Immunoglobulin idiotypes significantly influence the selection of both B and T lymphocyte repertoires.
  • Understanding idiotype-mediated selection is crucial for comprehending immune system regulation and potential therapeutic strategies.