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B Cell Immunity in Solid Organ Transplantation.

Gonca E Karahan1, Frans H J Claas1, Sebastiaan Heidt1

  • 1Department of Immunohaematology and Blood Transfusion, Leiden University Medical Center , Leiden , Netherlands.

Frontiers in Immunology
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Summary
This summary is machine-generated.

B cells play diverse roles in alloimmune responses beyond antibody production, including antigen presentation and cytokine secretion. Understanding these functions is crucial for developing new strategies in organ transplantation.

Keywords:
HLAantigen presentationcognate T–B interactionsdonor-specific antibodiesmemory B cellsrejection

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Area of Science:

  • Immunology
  • Transplantation Immunology

Background:

  • B cells are increasingly recognized for their multifaceted roles in alloimmune responses.
  • Their functions extend beyond antibody production, impacting immune memory and inflammation.

Purpose of the Study:

  • To review the diverse functions of B cells in alloimmune responses.
  • To explore therapeutic strategies targeting B cell activation in transplantation.

Main Methods:

  • Literature review of B cell involvement in alloimmunity.
  • Analysis of B cell functions including differentiation, antigen presentation, and cytokine secretion.

Main Results:

  • B cells contribute to alloimmune responses through antibody production, immune memory, antigen presentation, tertiary lymphoid organ formation, and cytokine secretion.
  • The cross-talk between B cells and T cells underpins these varied functions.

Conclusions:

  • B cells are critical players in alloimmune responses, with roles extending far beyond antibody production.
  • Targeting B cell activation presents a promising avenue for improving organ transplant outcomes.