Cell Fusion pp 45-68 | Cite as

The Roles of Ca2+Dependent Membrane-Binding Proteins in the Regulation and Mechanism of Exocytosis

  • Carl E. Creutz
  • William J. Zaks
  • Helen C. Hamman
  • William H. Martin


Exocytosis is the process of release of A. stored secretory product from A. cell by fusion of the membrane of the storage organelle (secretory vesicle) with the surface membrane of the cell. This process appears to have been almost universally adopted as the method for secretion of products that are stored and then suddenly released upon stimulation of the cell. For example, it is the basis for the release of neurotransmitters, such as norepinephrine and acetylcholine (ACH); hormones, such as insulin or other polypeptide hormones; and digestive enzymes, such as amylase and trypsin. Therefore, this is one of the most important membrane fusion events that occurs in mature, differentiated cells. Furthermore, some aspects of this process may provide A. model for other intracellular membrane fusion events that occur during regeneration of the plasma membrane, movement of secretory material between the stacks of the Golgi apparatus, fusion of phagosomes with lysosomes, or, in general, any intracellular transport process that involves membrane fusion.


Chromaffin Cell Membrane Fusion Secretory Vesicle Granule Membrane Chromaffin Granule 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1987

Authors and Affiliations

  • Carl E. Creutz
    • 1
  • William J. Zaks
    • 1
  • Helen C. Hamman
    • 1
  • William H. Martin
    • 1
  1. 1.Department of Pharmacology, Programs in Biophysics, Neuroscience, and Cell and Molecular Biology, and Center for Diabetes and Cancer Research and TrainingUniversity of VirginiaCharlottesvilleUSA

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