PECAM-independent thioglycollate peritonitis is associated with a locus on murine chromosome 2

Michael A. Seidman, Tina W. Chew, Alan R. Schenkel, William A. Muller

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


Background: Previous studies have demonstrated that knockout or inhibition of Platelet/Endothelial Cell Adhesion Molecule (PECAM, CD31) in a number of murine strains results in impaired inflammatory responses, but that no such phenotype is seen in the C57BL/6 (B6) murine background. Methodology/Principal Findings: We have undertaken a quantitative trait locus (QTL) mapping effort between FVB/n (FVB) and B6 mice deficient for PECAM to identify the gene or genes responsible for this unique feature of B6 mice. We have identified a locus on murine chromosome 2 at approximately 35.8 Mb that is strongly associated (LOD score = 9.0) with inflammatory responses in the absence of PECAM. Conclusions/Significance: These data potentiate further study of the diapedesis machinery, as well as potential identification of new components of this machinery. As such, this study is an important step to better understanding the processes of inflammation.

Original languageEnglish (US)
Article numbere4316
JournalPloS one
Issue number1
StatePublished - Jan 30 2009

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • General
  • Biochemistry, Genetics and Molecular Biology(all)


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