BDCA2/FcɛRIγ complex signals through a novel BCR-like pathway in human plasmacytoid dendritic cells
2007

BDCA2/FcɛRIγ Complex Signals through a Novel BCR-Like Pathway in Human Plasmacytoid Dendritic Cells

publication Evidence: moderate

Author Information

Author(s): Cao Wei, Zhang Li, Rosen David B, Bover Laura, Watanabe Gokuran, Bao Musheng, Lanier Lewis L, Liu Yong-Jun

Primary Institution: University of Texas M. D. Anderson Cancer Center

Hypothesis

How does BDCA2 transduce signals in human plasmacytoid dendritic cells?

Conclusion

BDCA2 activates a novel BCR-like signaling pathway that regulates the immune functions of plasmacytoid dendritic cells.

Supporting Evidence

  • BDCA2 forms a complex with FcɛRIγ, which activates a BCR-like signaling pathway.
  • BDCA2 crosslinking suppresses type I interferon production in response to TLR ligands.
  • Human pDCs express signaling molecules involved in BCR activation.

Takeaway

BDCA2 is a special protein on certain immune cells that helps them respond to infections, but it can also stop them from overreacting.

Methodology

The study involved signaling pathway analysis and co-immunoprecipitation experiments to investigate the interaction between BDCA2 and FcɛRIγ.

Digital Object Identifier (DOI)

10.1371/journal.pbio.0050248

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication