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Updated: Aug 9, 2026

Generation of Human CD40-activated B cells
13:27

Generation of Human CD40-activated B cells

Published on: October 17, 2009

Functions of CD40 and its ligand, gp39 (CD40L)

J D Laman1, E Claassen, R J Noelle

  • 1Division of Immunological and Infectious Diseases, TNO Prevention and Health (TNO-PG), Leiden, The Netherlands.

Critical Reviews in Immunology
|January 1, 1996
PubMed

Insights

The CD40-CD40L axis is vital for B cell immunity, regulating proliferation and antibody production. This interaction also plays roles in autoimmune diseases, cancer, and immune tolerance, highlighting its broad physiological and pathogenic significance.

Area of Science:

  • Immunology
  • Cellular Biology

Background:

  • The CD40-CD40L axis, initially recognized for its role in humoral immunity, is crucial for B cell activation, proliferation, immunoglobulin production, and isotype switching.
  • Defects in CD40L lead to hyper IgM syndrome and absence of germinal centers, underscoring its importance in adaptive immunity.

Purpose of the Study:

  • To provide a comprehensive overview of CD40L-CD40 interactions in physiological and pathogenic cellular responses.
  • To discuss the therapeutic implications of manipulating the CD40-CD40L axis.

Main Methods:

  • Review of existing literature on CD40-CD40L interactions.
  • Analysis of data from animal models and human studies.

Main Results:

  • CD40-CD40L interaction is essential for B cell memory formation and germinal center development.
  • Expanded roles of the CD40-CD40L axis include monocyte activation, autoimmune disease development, cancer growth regulation, and thymic selection.
  • Therapeutic strategies targeting CD40L show promise for antigen-specific T cell tolerization.

Conclusions:

  • The CD40-CD40L axis is a multifaceted signaling pathway with critical roles beyond antibody production.
  • Understanding these interactions offers significant therapeutic potential for various diseases, including autoimmune disorders and cancer.

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