Lian JY, Tuo BG, Wen GR, Jin H, Liang T. Role of estrogen receptors in digestive system tumors.
Shijie Huaren Xiaohua Zazhi 2015;
23:4227-4235. [DOI:
10.11569/wcjd.v23.i26.4227]
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Abstract
Estrogen receptors are steroid hormone receptors that modulate the expression of target genes when bound to ligand. Humans have two ligand-activated transcription factors that bind to estrogen, encoded by separate genes, estrogen receptor α (ERα) and estrogen receptor β (ERβ). In addition, the membrane localized G protein-coupled estrogen receptor 1 (GPER1) can be activated by estradiol and mediate non-genomic signaling. Many studies have described the role of estrogen receptors in human cancers. Digestive system tumors account for a large proportion of all the tumors, and the mortality is very high in many digestive system tumors, such as esophageal cancer, gastric cancer, hepatocellular carcinoma, colorectal cancer, cholangiocarcinoma and pancreatic carcinoma. This review summarizes the role of estrogen receptors in digestive system tumors, aiming at finding new routes for the rational design of targeted anticancer therapies for digestive system tumors.
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