Stefan, CJ; (2020) Endoplasmic reticulum–plasma membrane contacts: Principals of phosphoinositide and calcium signaling. Current Opinion in Cell Biology , 63 pp. 125-134. 10.1016/j.ceb.2020.01.010.

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Abstract

The endoplasmic reticulum (ER) forms an extensive network of membrane contact sites with intra-cellular organelles and the plasma membrane (PM). Interorganelle contacts have vital roles in membrane lipid and ion dynamics. In particular, ER–PM contacts are integral to numerous inter-cellular and intra-cellular signaling pathways including phosphoinositide lipid and calcium signaling, mechanotransduction, metabolic regulation, and cell stress responses. Accordingly, ER–PM contacts serve important signaling functions in excitable cells including neurons and muscle and endocrine cells. This review highlights recent advances in our understanding of the vital roles for ER–PM contacts in phosphoinositide and calcium signaling and how signaling pathways in turn regulate proteins that form and function at ER–PM contacts.

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