Results 201 to 210 of about 21,092 (247)
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Current Opinion in Neurobiology, 2006
The accepted theory of vesicular release of neurotransmitter posits that only a single vesicle per synapse can fuse with the membrane following action potential invasion, and this exocytotic event is limited to the ultrastructurally defined presynaptic active zone. Neither of these dictums is universally true.
Ko, Matsui, Craig E, Jahr
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The accepted theory of vesicular release of neurotransmitter posits that only a single vesicle per synapse can fuse with the membrane following action potential invasion, and this exocytotic event is limited to the ultrastructurally defined presynaptic active zone. Neither of these dictums is universally true.
Ko, Matsui, Craig E, Jahr
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Plant Molecular Biology, 1998
Exocytosis is the final event in the secretory pathway and requires the fusion of the secretory vesicle membrane with the plasma membrane. It results in the release to the outside of vesicle cargo from the cell interior and also the delivery of vesicle membrane and proteins to the plasma membrane.
G, Thiel, N, Battey
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Exocytosis is the final event in the secretory pathway and requires the fusion of the secretory vesicle membrane with the plasma membrane. It results in the release to the outside of vesicle cargo from the cell interior and also the delivery of vesicle membrane and proteins to the plasma membrane.
G, Thiel, N, Battey
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Journal of Neurochemistry, 2016
AbstractRegulated exocytosis is a multistage process involving a merger between the vesicle and the plasma membrane, leading to the formation of a fusion pore, a channel, through which secretions are released from the vesicle to the cell exterior. A stimulus may influence the pore by either dilating it completely (full‐fusion exocytosis) or mediating a
Marko, Kreft +3 more
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AbstractRegulated exocytosis is a multistage process involving a merger between the vesicle and the plasma membrane, leading to the formation of a fusion pore, a channel, through which secretions are released from the vesicle to the cell exterior. A stimulus may influence the pore by either dilating it completely (full‐fusion exocytosis) or mediating a
Marko, Kreft +3 more
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American Review of Respiratory Disease, 1991
Abstract Mucins produced by goblet cells of the respiratory mucosa are condensed while stored in secretory granules. Mucin condensation and its decondensation upon exocytosis can be explained by the theory of polymer gel phase transition. After the opening of a secretory pore, Ca2+ inside the granule is exchanged for extracellular Na+.
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Abstract Mucins produced by goblet cells of the respiratory mucosa are condensed while stored in secretory granules. Mucin condensation and its decondensation upon exocytosis can be explained by the theory of polymer gel phase transition. After the opening of a secretory pore, Ca2+ inside the granule is exchanged for extracellular Na+.
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1984
Neutrophils are short-lived, highly specialized phagocytes. Their main function is to defend the host organism against invading microbes. The properties required to perform this function are chemotactic responsiveness, mobility, and the ability to phagocytose. Microorganisms are sensed through the chemotactic signals they emit or induce; are approached
M, Baggiolini, B, Dewald
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Neutrophils are short-lived, highly specialized phagocytes. Their main function is to defend the host organism against invading microbes. The properties required to perform this function are chemotactic responsiveness, mobility, and the ability to phagocytose. Microorganisms are sensed through the chemotactic signals they emit or induce; are approached
M, Baggiolini, B, Dewald
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Science, 1992
The annexins are a group of homologous proteins that bind phospholipids in the presence of calcium. They may provide a major pathway for communication between cellular membranes and their cytoplasmic environment. Annexins have a characteristic "bivalent" activity in the sense that they can draw two membranes together when activated by calcium. This has
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The annexins are a group of homologous proteins that bind phospholipids in the presence of calcium. They may provide a major pathway for communication between cellular membranes and their cytoplasmic environment. Annexins have a characteristic "bivalent" activity in the sense that they can draw two membranes together when activated by calcium. This has
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Acta Physiologica, 2007
AbstractCatecholamines and peptides secreted from dense‐core vesicles (DCVs) of adrenal chromaffin cells regulate a wide variety of physiological processes. For instance, the release of noradrenaline and adrenaline plays a key role in regulating heart rate and blood pressure.
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AbstractCatecholamines and peptides secreted from dense‐core vesicles (DCVs) of adrenal chromaffin cells regulate a wide variety of physiological processes. For instance, the release of noradrenaline and adrenaline plays a key role in regulating heart rate and blood pressure.
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The Molecules of Sperm Exocytosis
2016Exocytosis is a fundamental process used by eukaryotic cells to release biological compounds and to insert lipids and proteins in the plasma membrane. Specialized secretory cells undergo regulated exocytosis in response to physiological signals. Sperm exocytosis or acrosome reaction (AR) is essentially a regulated secretion with special characteristics.
Belmonte, Silvia Alejandra +2 more
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Life Sciences, 1973
Publisher Summary This chapter elaborates a study analyzing mechanisms of exocytosis. Exocytosis is a method of discharge of secretory products in which there is selective release of granule-bound material. Other forms of secretion may cause nonselective release of cellular constituents.
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Publisher Summary This chapter elaborates a study analyzing mechanisms of exocytosis. Exocytosis is a method of discharge of secretory products in which there is selective release of granule-bound material. Other forms of secretion may cause nonselective release of cellular constituents.
openaire +1 more source