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  • Title: Suppression of elevated plasma interleukin-8 levels due to total ischemia and reperfusion of the small intestine by luminal perfusion with fetal bovine serum.
    Author: Chen Y, Hung WT, Chen SM, Tseng SH.
    Journal: Pediatr Surg Int; 2002 Mar; 18(2-3):107-9. PubMed ID: 11956773.
    Abstract:
    A previous study demonstrated that continuous enteric luminal perfusion of fetal bovine serum (FBS) protects the small intestine from total ischemia/reperfusion injury (IRI) and increases the intestinal mass. In this study, we further investigated the changes in plasma interleukin-8 (IL-8) level caused by total ischemia/reperfusion of the small intestine and the effect of FBS on plasma IL-8 levels. A 3-h total ischemia was induced in a 15-cm segment of terminal ileum and then reperfusion was instituted. Luminal perfusion of FBS was conducted via an osmotic minipump connected to the stomach through a fine polyethylene tube, starting 3 days prior to total ischemia. The rats were killed after 10 and 30 min and 1 and 3 h of total ischemia, and 1, 6, and 12 h or 1, 2, and 3 days after initiation of reperfusion. Plasma IL-8 was measured by enzyme-linked immunosorbent assay. The results were compared among the FBS-treated and untreated groups. The plasma IL-8 level was elevated from 1 h of total ischemia to 6 h after initiation of reperfusion ( P< 0.05) with a peak of 641.5 +/- 36.9 pg/ml in the untreated group and 471.6 +/- 42.2 pg/ml in the treated group. Luminal perfusion of FBS significantly suppressed plasma IL-8 levels after 1 h of total ischemia and 1 h after initiation of reperfusion ( P< 0.05). The results suggest that FBS might play a role in the treatment of total IRI of the small intestine.
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