Gastric adenocarcinoma

Role of the IL-11/STAT3 signaling pathway in human chronic atrophic gastritis and gastric cancer

D. Q. Wang, Ding, X. P., Yin, S., Mao, Y. D., Wang, D. Q., Ding, X. P., Yin, S., Mao, Y. D., Wang, D. Q., Ding, X. P., Yin, S., and Mao, Y. D., Role of the IL-11/STAT3 signaling pathway in human chronic atrophic gastritis and gastric cancer, vol. 15, p. -, 2016.

The expression of interleukin-11 (IL-11) and its products STAT3 and phospho-STAT3 (p-STAT3) in patients with chronic superficial gastritis (CSG), chronic atrophic gastritis (CAG), and gastric cancer (GC) may provide insight into the diagnostic role of the IL-11/STAT3 signaling pathway in GC. Gastric mucosa specimens and serum samples were collected from 90 patients with CSG, CAG, and GC (30/group). The expression of IL-11, STAT3, and p-STAT3 was detected via immunohistochemistry and western blot. Additionally, serum levels of IL-11 were measured by enzyme-linked immunosorbent assay.

Thymidylate synthase and methylenetetrahy­drofolate reductase gene polymorphisms and gastric cancer susceptibility in a population of Northern Brazil

M. D. Araújo, Borges, B. N., Rodrigues-Antunes, S., Burbano, R. M. R., and Harada, M. L., Thymidylate synthase and methylenetetrahy­drofolate reductase gene polymorphisms and gastric cancer susceptibility in a population of Northern Brazil, vol. 14. pp. 10001-10006, 2015.

The folate metabolic pathway, which is involved in DNA synthesis and methylation, is associated with individual susceptibility to several diseases, including gastric tumors. In this study, we investigated four polymorphisms [thymidylate synthase enhancer region, single nucleotide polymorphism thymidylate synthase 5' (TS5'), TS3' untranslated region, and methylenetetrahydrofolate reductase (MTHFR) 677C> T] in 2 genes related to the folate pathway, TS and MTHFR, and their possible association with the risk gastric cancer development in a population from Pará state, Brazil.

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