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J Interferon Cytokine Res. 2015 Apr;35(4):302-12. doi: 10.1089/jir.2014.0031. Epub 2014 Nov 19.

Laparotomy in mice induces blood cell expression of inflammatory and stress genes.

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1
1 Brookdale Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai , New York, New York.

Abstract

Surgical trauma induces immune and stress responses although its effects on postsurgical inflammatory and stress gene expression remain poorly characterized. This study sought to improve current scientific knowledge by investigating the effects of laparotomy on mouse blood cell inflammatory and stress gene expression. Three-month-old male C57BL/6J mice were subjected to 2% isoflurane or 2% isoflurane with laparotomy and sacrificed 4 h postintervention. Blood was collected and blood cell expression of 158 genes central to inflammatory and stress responses was assayed using quantitative polymerase chain reaction arrays. Mice subjected to isoflurane with laparotomy, compared with mice receiving isoflurane alone, had >2-fold upregulation of genes in inflammation (Osm, IL1rn, IL1b, and Csf1), oxidative stress (Hmox1), heat shock (Hspa1b), growth arrest (Cdkn1a), and DNA repair (Ugt1a2). These genes demonstrated similar expression patterns by Pearson correlation and cluster analysis. Thus, laparotomy induces coordinated, postsurgical blood cell expression of unique inflammatory and stress genes whose roles in influencing surgical outcomes need further investigation.

PMID:
25406893
PMCID:
PMC4390206
DOI:
10.1089/jir.2014.0031
[Indexed for MEDLINE]
Free PMC Article

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