Effect of sepsis or cytokine administration on release of gut peptides

Oded Zamir, Per Olof Hasselgren, Takashi Higashiguchi, Janice A. Frederick, Josef E. Fischer

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The effect of sepsis on plasma levels of various gut peptides was studied in rats. Sepsis was induced by cecal ligation and puncture (CLP); control animals underwent sham operation. Sixteen hours after CLP or sham operation, portal and systemic blood was drawn, and plasma levels of gastrin, vasoactive intestinal peptide (VIP), secretin, peptide YY (PYY), gastrin-releäsing peptide (GRP), and substance P were determined by radioimmunoassay. Plasma levels of gastrin, VIP, PYY, and secretin were elevated in septic rats compared with nonseptic animals, with the highest levels noted in portal blood. There was no effect of sepsis on GRP or substance P levels. In other experiments, human recombinant interleukin 1α (IL-1α) or recombinant tumor necrosis factor α (TNFα) was injected intraperitoneally (300 μg/kg body weight in 3 divided doses over 16 hours). There was no change in plasma levels of gut peptides after IL-1α injection. TNFα induced elevation of PYY levels in portal plasma with no change in other gut peptide levels. The results suggest that sepsis stimulates release of certain gut peptides and that TNF, but not IL-1, may be partly responsible for this response. The mechanism of the release of gut peptides and its significance in the pathophysiologic changes induced by sepsis remain to be determined.

Original languageEnglish
Pages (from-to)181-185
Number of pages5
JournalThe American Journal of Surgery
Volume163
Issue number1
DOIs
Publication statusPublished - 01-01-1992
Externally publishedYes

Fingerprint

Gastrins
Sepsis
Peptide YY
Cytokines
Peptides
Interleukin-1
Secretin
Tumor Necrosis Factor-alpha
Vasoactive Intestinal Peptide
Substance P
Punctures
Ligation
Radioimmunoassay
Body Weight
Injections
peptide P

All Science Journal Classification (ASJC) codes

  • Surgery

Cite this

Zamir, Oded ; Hasselgren, Per Olof ; Higashiguchi, Takashi ; Frederick, Janice A. ; Fischer, Josef E. / Effect of sepsis or cytokine administration on release of gut peptides. In: The American Journal of Surgery. 1992 ; Vol. 163, No. 1. pp. 181-185.
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Effect of sepsis or cytokine administration on release of gut peptides. / Zamir, Oded; Hasselgren, Per Olof; Higashiguchi, Takashi; Frederick, Janice A.; Fischer, Josef E.

In: The American Journal of Surgery, Vol. 163, No. 1, 01.01.1992, p. 181-185.

Research output: Contribution to journalArticle

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