https://www.selleckchem.com/pr....oducts/protac-tubuli
The glycerophospholipid phosphatidic acid (PA) is a key player in regulated exocytosis, but little is known about its localization at the plasma membrane. Here, we provide a protocol for precisely determining the spatial distribution of PA at exocytotic sites by electron microscopy. Using primary bovine chromaffin cells expressing a PA sensor (Spo20p-GFP), we describe the process for cell stimulation and detergent-free preparation of plasma membrane sheets. The protocol can be applied to other cell models and to distin
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