Protein kinase D enzymes are dispensable for proliferation, survival and antigen receptor-regulated NFκB activity in vertebrate B-cells
2007

The Role of Protein Kinase D in B-Cell Function

publication Evidence: moderate

Author Information

Author(s): Liu Ping, Scharenberg Andrew M., Cantrell Doreen A., Matthews Sharon A.

Primary Institution: University of Dundee

Hypothesis

Are protein kinase D enzymes essential for proliferation, survival, and NFκB activity in B-cells?

Conclusion

Protein kinase D enzymes are not critical for the proliferation, survival, or NFκB activity in DT40 B-cells.

Supporting Evidence

  • PKD-null DT40 B-cells proliferate normally and are viable.
  • Loss of PKD does not significantly affect oxidative stress responses in B-cells.
  • PKD kinases do not play an essential role in regulating NFκB transcriptional activity.

Takeaway

This study found that certain proteins called protein kinase D are not needed for B-cells to grow or survive, even though they help with some other functions.

Methodology

The study involved generating PKD-null DT40 B-lymphocyte cell lines and assessing their proliferation, survival, and signaling responses.

Limitations

The findings may not be applicable to all cell types as the study focused on DT40 B-cells.

Digital Object Identifier (DOI)

10.1016/j.febslet.2007.02.055

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