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Related Experiment Video

Updated: Jun 21, 2026

Measuring the Strength of Mice
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Measuring the Strength of Mice

Published on: June 2, 2013

Mighty mouse.

Amy J Johnson1

  • 1Ohio State University, Ohio, USA.

Blood
|July 4, 2009
PubMed
Summary
This summary is machine-generated.

SV40 T antigen expression in mouse B cells leads to normal development but aging causes monoclonal CD5(+) B cell accumulation and a chronic lymphocytic leukemia-like phenotype.

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Area of Science:

  • Immunology
  • Oncology
  • Virology

Background:

  • Mature B cells in mice were engineered to express Simian Virus 40 (SV40) T antigen.
  • This study investigates the long-term effects of T antigen expression on B cell development and phenotype.

Discussion:

  • SV40 T antigen expression in mature B cells does not impede normal B cell development.
  • Aging in these mice results in the accumulation of monoclonal CD5(+) B cells.
  • The observed phenotype closely resembles chronic lymphocytic leukemia (CLL) in humans.

Key Insights:

  • Targeted expression of oncogenic viral proteins can reveal pathways to B cell malignancies.
  • CD5(+) B cell accumulation is a hallmark of aging in SV40 T antigen-expressing mice.
  • This model provides insights into the pathogenesis of chronic lymphocytic leukemia.

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Published on: June 2, 2013

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Outlook:

  • Further research can explore the specific mechanisms driving monoclonal expansion.
  • Investigating therapeutic strategies targeting these specific B cell populations.
  • Understanding the role of SV40 T antigen in B cell transformation and CLL development.