Rab27 effector granuphilin promotes the plasma membrane targeting of insulin granules via interaction with syntaxin 1a.

Abstract excerpt

Secretory vesicle exocytosis is a highly regulated process involving vesicle targeting, priming, and membrane fusion. Rabs and SNAREs play a central role in executing these processes. We have shown recently that Rab27a and its effector, granuphilin, are involved in the exocytosis of insulin-containing secretory granules through a direct interaction with the plasma membrane syntaxin 1a in pancreatic beta cells....

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