exocytosis


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exocytosis

[¦ek·sō·sī′tō·səs]
(cell and molecular biology)
The extrusion of material from a cell.
References in periodicals archive ?
The objective of this project is to elucidate presynaptic signalling cascades leading to NK cell exocytosis, and thus obtain a detailed map of the sub-cellular events leading to granule release.
TEHRAN (FNA)- Neuroscientists have uncovered the existence of loose coupling between calcium channels and release sensors of exocytosis at a mature central synapse in the rodent brain.
Note that NIRTOTORG, NIRSELORG, NIRREMORG, and NOAR are net measures, subject to metabolically derived material egested and assayed within feces, whether following ingestion of mucus involved in filtration and/or preingestive selection, or as a result of secretion, exocytosis, and/or abrasion in the gut (cf.
Actually, some authors recognize two types of MVBs, one in the degradative pathway and another in the exocytosis or recycling pathway (15).
2) Impaired exocytosis and release of neurotransmitter
These engulf and digest cellulose and other wood polysaccharides, and expel undigested lignin via exocytosis (Yoshimura, 1995).
The release of neurotransmitters is fulfilled via complex Ca+2-dependent, regulated exocytosis from specialized secretory organelles, called small synaptic vesicles (SVs), located in presynaptic nerve terminals.
In all, 5 genetic loci have been identified in FHL, and all known affected genes encode critical components of the granule exocytosis pathway, which is essential for the release of cytotoxic granules and proteases that are necessary for targeted cell death.
4-fold), while otoferlin, which is essential for glutamate exocytosis at the auditory ribbon synapse, showed a 1.
Botulinum toxin acts presynaptically at cholinergic nerve terminals by preventing acetylcholine exocytosis and release and causes muscle paresis which can last for two to three months (1,2).
More recent research has shown a further benefit of IP6 in type II diabetes, where loss of glucose-stimulated insulin exocytosis from the pancreatic beta-cell is an early pathogenetic event.
Because both the N- and C-termini are intracellular, these domains are unlikely to be exposed on the surface of the [beta] cell even with [beta]-cell exocytosis of insulin.