Abstract
The past year has witnessed progress in identifying late steps in exocytosis that are so short-lived as to be difficult to study biochemically. Recent studies have also revealed a novel and surprisingly fast mechanism of endocytosis that may be triggered by a rise in the intracellular concentration of Ca2+ and that retrieves exocytosed membrane in seconds.
MeSH terms
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Animals
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Calcium / metabolism
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Clathrin / physiology
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Coated Pits, Cell-Membrane / physiology
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Dynamins
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Electric Conductivity
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Endocrine Glands / cytology
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Endocrine Glands / physiology*
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Endocytosis*
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Exocytosis*
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GTP Phosphohydrolases / physiology
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Humans
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Intracellular Membranes / metabolism
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Time Factors
Substances
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Clathrin
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GTP Phosphohydrolases
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Dynamins
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Calcium