PECAM-Independent Thioglycollate Peritonitis Is Associated With a Locus on Murine Chromosome 2
2009

PECAM-Independent Inflammation in Mice

Sample size: 14 publication 10 minutes Evidence: high

Author Information

Author(s): Seidman Michael A., Chew Tina W., Schenkel Alan R., Muller William A.

Primary Institution: Weill Cornell Medical College

Hypothesis

What genetic factors allow B6 mice to exhibit PECAM-independent inflammatory responses?

Conclusion

A specific locus on murine chromosome 2 is associated with PECAM-independent inflammation in mice.

Supporting Evidence

  • A locus on chromosome 2 was identified with a LOD score of 9.0, indicating strong association with the phenotype.
  • F1 mice showed a phenotype consistent with B6 parents, indicating a dominant trait.
  • The study suggests that the identified locus may contain genes that regulate inflammatory responses.

Takeaway

This study found a special gene in certain mice that helps them respond to inflammation without a specific protein called PECAM.

Methodology

Quantitative trait locus (QTL) mapping was used to identify genetic differences between mouse strains.

Limitations

Further genetic dissection is limited by the power of linkage analysis and the mosaic structure of the murine genome.

Participant Demographics

C57BL/6 and FVB/n mice were used in the study.

Statistical Information

P-Value

0.045

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004316

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