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  • Title: Hydroxyethyl starch inhibits intestinal production of cytokines and activation of transcription factors in endotoxaemic rats.
    Author: Lv R, Zhou W, Yang JJ, Jin Y, Xu JG.
    Journal: J Int Med Res; 2005; 33(4):379-88. PubMed ID: 16104441.
    Abstract:
    We studied the effect of hydroxyethyl starch (HES) on intestinal production of cytokines and activation of transcription factors in sepsis. Septic rats, induced by intraperitoneal lipopolysaccharide (LPS) (5 mg/kg), were treated with intravenous HES (16 ml/kg) or saline (64 ml/kg). Rat ileal tissues were collected at 2 h, 3 h or 6 h after LPS challenge. Levels of tumour necrosis factor alpha (TNF-alpha), interleukin (IL) 1beta, IL-6, IL-8 and IL-10, cytokine mRNAs, activities of nuclear factor kappa-B (NF-KB) and activator protein-1 (AP-1), and the number of ileal myeloperoxidase (MPO)-positive cells were determined for each group. HES significantly reduced the LPS-induced increase in intestinal levels of TNF-alpha, IL-1beta, IL-6, IL-8 and their corresponding mRNAs. HES also decreased the number of MPO-positive cells induced by LPS and inhibited activation of NF-kappaB and AP-1. The results suggest that in sepsis, HES may down-regulate intestinal pro-inflammatory cytokine production via suppression of NF-kappaB and AP-1 activation.
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