How p50 Regulates Inflammation in Liver Cells
Author Information
Author(s): Elsharkawy Ahmed M., Oakley Fiona, Lin Feng, Packham Graham, Mann Derek A.
Primary Institution: Institute of Cellular Medicine, Newcastle University
Hypothesis
The study aims to delineate p50 target genes in activated hepatic stellate cells and to outline mechanisms utilized in their repression.
Conclusion
Recruitment of HDAC-1 to inflammatory genes provides a widespread mechanism to explain the immunosuppressive properties of p50.
Supporting Evidence
- p50 is identified as a transcriptional repressor of multiple pro-inflammatory genes.
- Recruitment of HDAC-1 to the Mmp-13 promoter is dependent on p50.
- HDAC-1 binding was detected at regulatory sites of GM-CSF, CCL2, and CXCL10 genes.
Takeaway
This study found that a protein called p50 helps control inflammation in liver cells by working with another protein, HDAC-1, to turn off certain genes that cause inflammation.
Methodology
Hepatic stellate cells were isolated from nfkb1(p50)-deficient or wild type mice and gene expression compared using microarray and qRT-PCR.
Participant Demographics
Mice used in the study included nfkb1(p50)-deficient and wild type strains.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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