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Am J Physiol Cell Physiol. 2010 Jan;298(1):C1-C10. doi: 10.1152/ajpcell.00478.2009. Epub 2009 Nov 4.

Revisiting the parietal cell.

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Dept. of Surgery, Yale School of Medicine, BML 265, 310 Cedar St., New Haven, CT 06511.


The parietal cell is responsible for secreting concentrated hydrochloric acid into the gastric lumen. To fulfill this task, it is equipped with a broad variety of functionally coupled apical and basolateral ion transport proteins. The concerted scientific effort over the last years by a variety of researchers has provided us with the molecular identity of many of these transport mechanisms, thereby contributing to the clarification of persistent controversies in the field. This article will briefly review the current model of parietal cell physiology and ion transport in particular and will update the existing models of apical and basolateral transport in the parietal cell.

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