ArticleJournal of epidemiology2005
A case-control study exploring the role of serum manganese superoxide dismutase (MnSOD) levels in gastric cancer.
Article in Journal of epidemiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors at 1 institution in 1 country.
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Abstract
backgroundThe role of serum manganese superoxide dismutase (MnSOD) in the development of gastric cancer has not been clearly defined.
methodsWe conducted a case-control study to address the potential relationship between serum MnSOD levels and gastric cancer. Cases were 275 gastric cancer patients and controls were 275 sex and age-matched healthy persons. Serum MnSOD levels were determined by a commercially available enzyme-linked immunosorbent assay (ELISA).
resultsThe mean(+/-standard deviation) of serum MnSOD levels was 177.4 +/- 87.3 ng/mL among cases and 169.4 +/- 56.7 ng/mL among controls. Gastric cancer patients had slightly higher serum MnSOD levels than the controls. After adjustment for pack-years of cigarette smoking and Helicobacter pylori infection, the odds ratio was 1.54(95% confidence interval; 0.79-3.01) for subjects in the highest quartile versus the lowest quartile. No significant differences were observed for serum MnSOD levels in gastric cancer patients according to clinicopathological factors such as disease stage, histological type, venous invasion, and lymph node metastasis.
conclusionOur study suggested that serum MnSOD levels are not significantly associated with the increased risk of gastric cancer, although a weak association may exist.
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