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Related Experiment Video

Updated: Apr 30, 2026

The bm12 Inducible Model of Systemic Lupus Erythematosus SLE in C57BL/6 Mice
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Rationale for B cell targeting in SLE.

Iñaki Sanz1

  • 1Division of Rheumatology, Lowance Center for Human Immunology, Georgia Research Alliance Eminent Scholar in Human Immunology, 247 Whitehead Research Bldg. 615 Michael St., Atlanta, GA, 30322, USA, Ignacio.sanz@emory.edu.

Seminars in Immunopathology
|April 26, 2014
PubMed
Summary

B cells play a dual role in autoimmune diseases like lupus, acting as both drivers and regulators. Understanding B cell subsets is key to developing effective targeted therapies.

Area of Science:

  • Immunology
  • Rheumatology
  • Autoimmune Diseases

Background:

  • B cells are implicated in the pathogenesis of systemic lupus erythematosus (SLE) and other autoimmune conditions.
  • Both antibody-dependent and independent functions of B cells contribute to disease.
  • B cells also possess regulatory functions that can protect against autoimmunity, highlighting a complex role.

Purpose of the Study:

  • To explore the multifaceted role of different B cell populations in autoimmune diseases.
  • To analyze how B cell-targeted therapies inform our understanding of disease mechanisms.
  • To discuss the potential for improving B cell-directed therapies for SLE.

Main Methods:

  • Review of clinical data from patients treated with B cell-targeting agents.

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  • Analysis of B cell subsets and their correlation with clinical response.
  • Discussion of existing literature on B cell function in autoimmunity.

    • Main Results:

    • B cell depletion therapies (e.g., anti-CD20, anti-BLyS) show efficacy in treating human autoimmunity.
    • Patient data provides insights into the correlates of clinical response to B cell therapies.
    • Different B cell subsets may have distinct roles in disease pathogenesis and regulation.

    Conclusions:

    • Targeting B cells is a validated therapeutic strategy for autoimmune diseases.
    • Understanding B cell heterogeneity is crucial for optimizing treatment outcomes in SLE.
    • Further research into B cell subsets can guide the rational design of novel therapies.