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Expression of CCL19 and CCL21 in human antrum mucosa. Biopsy specimens were collected from 9 uninfected (Hp−) and 10 H. pylori-infected (Hp+) individuals and used for mRNA and protein purification. Relative expression of CCL19 (A) and CCL21 (B) mRNA was determined by real-time PCR. (C) The CCL19 protein concentration in relation to the total amount of protein was determined by ELISA. Symbols represent individual values, and lines indicate the median. **, P < 0.01; ***, P < 0.001.
