Enforced Expression of the Transcriptional Coactivator OBF1 Impairs B Cell Differentiation at the Earliest Stage of Development
2008

How OBF1 Affects Early B Cell Development

Sample size: 10 publication 15 minutes Evidence: high

Author Information

Author(s): Bordon Alain, Bosco Nabil, Du Roure Camille, Bartholdy Boris, Kohler Hubertus, Matthias Gabriele, Rolink Antonius G., Matthias Patrick

Primary Institution: Friedrich Miescher Institute for Biomedical Research, Novartis Research Foundation, Basel, Switzerland

Hypothesis

Does enforced expression of OBF1 impair B cell differentiation at early stages?

Conclusion

Overexpression of OBF1 in early B cell development leads to reduced numbers of follicular B cells and impaired immune responses.

Supporting Evidence

  • Transgenic mice overexpressing OBF1 showed reduced numbers of follicular B cells.
  • Impaired T-dependent immune responses were observed in BCS mice.
  • Transcriptome analysis revealed upregulation of Id2 and Id3 in transgenic mice.

Takeaway

When a protein called OBF1 is made too much in early B cells, it makes it hard for those cells to grow up and do their job in the immune system.

Methodology

Transgenic mice were created to overexpress OBF1, and various B cell populations were analyzed using flow cytometry and immunological assays.

Potential Biases

Potential bias in interpreting results from a single genetic model without broader validation.

Limitations

The study primarily focuses on a specific genetic model, which may not fully represent all aspects of B cell development.

Participant Demographics

Mice used in the study were of specific strains (C57BL/6 and B6CF1×C57BL/6).

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0004007

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