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)
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