Connexin 32 and 43 promoter methylation in Helicobacter pylori-associated gastric tumorigenesis

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AIM: To explore the mechanism of abnormal Connexin(Cx) 32 and Cx43 expression in the gastric mucosa after Helicobacter pylori(H. pylori) infection.METHODS: Biopsy specimens of gastric mucosa in different gastric carcinogenesis stages with H. pylori infect
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