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. 1993 Sep;34(9):1203–1206. doi: 10.1136/gut.34.9.1203

Neutrophil mucosal involvement is accompanied by enhanced local production of interleukin-8 in ulcerative colitis.

Y Raab 1, B Gerdin 1, S Ahlstedt 1, R Hällgren 1
PMCID: PMC1375454  PMID: 8406154

Abstract

The concentration of myeloperoxidase, a neutrophil granule constituent, was measured in the perfusion fluid from sigmoid and rectal segments in patients with ulcerative colitis. The concentrations of myeloperoxidase were increased severalfold in the patients with ulcerative colitis compared with healthy controls pointing to an enhanced neutrophil activity. The release of myeloperoxidase correlated to an enhanced local release of the neutrophil activating peptide interleukin-8 (IL-8). Increased values of tumour necrosis factor (TNF-alpha) were also found during intestinal perfusion of the patients and correlated with those of IL-8. The results obtained are compatible with the hypothesis that local mucosal recruitment/activation of neutrophils in ulcerative colitis is mediated by an enhanced IL-8 synthesis. TNF-alpha may be one relevant factor as a stimulus to IL-8 synthesis.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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