PMID: 12760801May 23, 2003Paper

Relationship between mitochondrial DNA instability and interleukin-8 activity in gastric mucosa

Zhonghua bing li xue za zhi Chinese journal of pathology
Xian-Long LingYuan-hui Luo

Abstract

To evaluate the relationship between mitochondrial DNA instability (mtMSI) and interleukin-8 (IL-8) activity in gastric mucosa of various lesions. IL-8 level in gastric mucosa was assayed using ELISA method. The mtMSI was detected by PCR-SSCP techniques. mtMSI was observed in 11 out of 30 (36.7%) gastric cancers, 2 of 15 (13.3%) intestinal metaplasia, 2 of 10 dysplasia and 1 of 10 chronic atrophic gastritis. IL-8 level in mtMSI+ group [(76.8 +/- 3.8) pg/mg] was significantly higher than that in mtMSI- group [(48.3 +/- 3.6) pg/mg, P < 0.05]. mtMSI closely correlates with IL-8 level in gastric mucosa and is involved in gastric carcinogenesis.

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