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Related Experiment Videos

Burkitt lymphoma in the mouse.

A L Kovalchuk1, C F Qi, T A Torrey

  • 1Laboratory of Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA.

The Journal of Experimental Medicine
|October 18, 2000
PubMed
Summary

Researchers developed a mouse model for Burkitt lymphoma (BL) by manipulating the MYC gene. This model mimics human BL, offering new insights into B cell lymphoma pathogenesis.

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Area of Science:

  • Oncology
  • Genetics
  • Immunology

Background:

  • Burkitt lymphoma (BL) is characterized by MYC protooncogene translocations with immunoglobulin genes.
  • Deregulated MYC expression is a key driver in BL pathogenesis.

Purpose of the Study:

  • To develop a novel mouse model for studying Burkitt lymphoma pathogenesis.
  • To investigate the role of MYC dysregulation and regulatory elements in B cell lymphoma development.

Main Methods:

  • Engineered mice with a mutated human MYC gene controlled by a reconstructed immunoglobulin lambda locus.
  • Observed lymphoma development and characterized tumor phenotypes.

Main Results:

  • Mice developed lymphomas with striking similarities to human BL, including a starry sky appearance.

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  • Monoclonal B cell lymphomas (IgM(+)CD5(-)CD23(-)) arose from polyclonal populations.
  • Tumor development was independent of positional effects.

    • Conclusions:

    • MYC dysregulation cooperates with regulatory elements to determine B cell lymphoma phenotype.
    • This mouse model provides a new system for investigating BL pathogenesis.