Estrogen and estrogen receptors in the modulation of gastrointestinal epithelial secretion
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Xin Yang1, Yanjun Guo1, Jialin He1, Fenglian Zhang1, Xuemei Sun1, Shiming Yang1 and Hui Dong1,2
1Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, P.R. China
2Division of Gastroenterology, Department of Medicine, School of Medicine, University of California, San Diego, California, USA
Hui Dong, email: [email protected]
Keywords: estrogen, estrogen receptors, HCO3 - secretion, Cl- secretion
Received: April 15, 2017 Accepted: May 22, 2017 Published: May 31, 2017
Gastrointestinal (GI) epithelial ion transport is physiologically important in many aspects of humans, such as in maintaining fluid balance of whole body, and also plays a role in the development and progression of common GI disease. Estrogen and estrogen receptors have been shown to modulate the activity of epithelial ion secretion in GI tract. This review aims to address the current state of knowledge about the role of estrogen and estrogen receptors in modulation of GI epithelial secretion and to elucidate the underlying mechanisms. We highlight the recent findings regarding the importance of estrogen and estrogen receptors in GI epithelia protection and body fluid balance by modulation of gastrointestinal epithelial HCO3 - and Cl- secretion, especially current information about the regulatory mechanisms of duodenal HCO3 - secretion based on our study in this field. Since there are no reviews on this topic but only few papers to address the main issues, we hope to timely provide new perspectives for the association between estrogen and GI disease.
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