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Topic: Exocytosis

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	Exocytosis - Wikipedia, the free encyclopedia
		Exocytosis is the process of a biological cell's releasing substances into the extracellular fluid (its environment).
		Vesicles that contain the substances to be released are transported to the plasma membrane and fuse with it.
		Among many factors involved in exocytosis, the soluble NSF receptor (SNARE proteins) are the best-characterized as catalysts of the membrane fusion reaction.
	en.wikipedia.org /wiki/Exocytosis (217 words)

	Exocytosis (Site not responding. Last check: 2007-11-07)
		Example: the various components of the extracellular matrix are secreted by exocytosis.
		The exocytosis of lysosomes supplies the membrane needed to repair wounds in the plasma membrane.
		One is discharging its contents into the lumen by exocytosis (red arrow).
	users.rcn.com /jkimball.ma.ultranet/BiologyPages/E/Exocytosis.html (408 words)

	Tolbutamide stimulates exocytosis of glucagon by inhibition of a mitochondrial-like ATP-sensitive K+ (KATP) conductance ...
		Exocytosis was measured as increases in cell capacitance (Neher and Marty, 1982) using, except for Fig.
		To test whether the action of the sulphonylureas on exocytosis is confined to islet cells we investigated the effect of tolbutamide on exocytosis in rat pituitary somatotrophs.
		It is tempting to speculate that the PKC dependence of the stimulatory effect of tolbutamide on exocytosis is attributable to this mechanism.
	jp.physoc.org /cgi/content/full/527/1/109 (6393 words)

	Sequential exocytosis of insulin granules is associated with redistribution of SNAP25 -- Takahashi et al. 165 (2): 255 ...
		Sequential exocytosis of insulin granules is associated with redistribution of SNAP25 -- Takahashi et al.
		occurrence of sequential and multigranular exocytosis in ß
		for the increase in the proportion of sequential exocytosis,
	www.jcb.org /cgi/content/full/165/2/255 (4949 words)

	Listeria monocytogenes Stimulates Mucus Exocytosis in Cultured Human Polarized Mucosecreting Intestinal Cells through ...
		LLO-induced mucin exocytosis stimulation was observed after immunolabeling of secreted mucins at the HT29-MTX cell surface with the anti-mucin M1 MAb (not shown).
		that LLO-induced mucus exocytosis is not inhibited by pertussis
		Stimulation of mucin exocytosis from human epithelial cells by nitric oxide: evidence for a cGMP-dependent and a cGMP-independent pathway.
	iai.asm.org /cgi/content/full/66/8/3673 (5575 words)

	BIOdotEDU
		By using the processes of endocytosis and exocytosis, some specialized types of cells move large amounts of bulk material into and out of themselves.
		Solid particles are engulfed by phagocytosis ("cell eating"), a process that begins when solids make contact with the outer cell surface, triggering the movement of the membrane.
		During exocytosis a vacuole containing material to be excreated from the cell moves to the plasma membrane and fuses with it.
	www.brooklyn.cuny.edu /bc/ahp/LAD/C5/C5_Endocytosis.html (451 words)

	Regulation of exocytosis by purinergic receptors in pancreatic duct epithelial cells -- Jung et al. 286 (3): C573 -- ...
		ATP stimulates exocytosis in the presence of the PKA inhibitor H-89.
		Summary of relative exocytosis evoked by activation of purinergic receptors with 100 µM ATP or UTP in control cells or with ATP in cells treated with various inhibitors.
		Relative exocytosis was calculated as the ratio of average rates of exocytosis during and before ATP applications (+ATP).
	ajpcell.physiology.org /cgi/content/full/286/3/C573 (4059 words)

	Ca2+-independent and Ca2+/GTP-binding protein-controlled exocytosis in a plant cell -- Homann and Tester 94 (12): ...
		Exocytosis is a vital process in plant growth and development.
		To investigate the mechanisms involved in the regulation of exocytosis in plant cells, we have studied the role of Ca and GTP-binding proteins in exocytosis in protoplasts from barley
		Exocytosis was not prevented at very low cytosolic Ca activities, which is in contrast to earlier measurements by Zorec and
	www.pnas.org /cgi/content/full/94/12/6565 (3565 words)

	Ca2+, Annexins, and GTP Modulate Exocytosis from Maize Root Cap Protoplasts -- Carroll et al. 10 (8): 1267 -- THE PLANT ...
		Pipette [Ca ] was buffered to 0.2 µM. The presence of annexins in the patch pipette (+ Annexin, closed histograms) elevated the rate of capacitance increase at [Ca ] in the submicromolar range.
		Burgoyne, R.D., and Handel, S.E. (1994) Activation of exocytosis by GTP analogues in adrenal chromaffin cells revealed by patch–clamp capacitance measurement.
		Roy, S., and Vian, B. (1991) Transmural exocytosis in maize root cap: Visualisation by simultaneous use of a cellulose-probe and a fucose-probe.
	www.plantcell.org /cgi/content/full/10/8/1267 (4611 words)

	The Relation of Exocytosis and Rapid Endocytosis to Calcium Entry Evoked by Short Repetitive Depolarizing Pulses in Rat ...
		The amount of exocytosis was calculated as the difference between the average of the last five membrane capacitance
		First we determined what types of exocytosis were evoked by the 40 msec step depolarizations.
		Exocytosis increases linearly with the amount of calcium influx at different pulse durations.
	www.jneurosci.org /cgi/content/full/18/1/81 (6555 words)

	Secretory Granule Exocytosis -- Burgoyne and Morgan 83 (2): 581 -- Physiological Reviews
		B: a granule core being released by exocytosis from a cell in the hamster adrenal medulla.
		409), synaptotagmin VII in lysosome exocytosis (464), synaptotagmin
		exocytosis is that overexpression of munc13-1 in chromaffin cells
	physrev.physiology.org /cgi/content/full/83/2/581 (9021 words)

	Granule-specific ATP requirements for Ca2+-induced exocytosis in human neutrophils. Evidence for substantial ...
		on the kinetics and amplitude of exocytosis in neutrophils.
		Relationship between the maximum rate of exocytosis, measured as the maximum value of the derivative of capacitance traces, and intracellular ATP at the time of patch rupture.
		Exocytosis was measured using the ß-glucuronidase release assay.
	jcs.biologists.org /cgi/content/full/115/14/2975 (5161 words)

	Regulation of Exocytosis by Protein Kinases and Ca2+ in Pancreatic Duct Epithelial Cells -- Koh et al. 116 (4): 507 -- ...
		The rate of exocytosis in Rp-8Br-cAMPS was measured during the last 2 min of application of the inhibitor.
		The rate of exocytosis in BIS was measured during the last 2 min of the 5-min application of the inhibitor.
		The rate of exocytosis was measured for 3 min in controls and 5 min for inhibitors or inhibitors with Ca Cells were loaded with dopamine.
	www.jgp.org /cgi/content/full/116/4/507 (7347 words)

	Purinergic and cholinergic agonists induce exocytosis from the same granule pool in HT29-Cl.16E monolayers -- Bertrand ...
		Exocytosis in Cl.16E monolayers was stimulated with the purinergic agonist ATP (25) or the cholinergic agonist carbachol
		As previously noted, the timing of exocytosis and endocytosis in single, patch-clamped cells (17) is significantly faster
		Protein kinase C- is the likely mediator of mucin exocytosis in human colonic cell lines.
	ajpcell.physiology.org /cgi/content/full/276/4/C907 (4254 words)

	Exocytosis and Endocytosis -- Battey et al. 11 (4): 643 -- THE PLANT CELL
		Exocytosis is a general term used to denote vesicle fusion at
		Because the primary function of exocytosis is secretion, not growth, plasma membrane recycling is presumably very active.
		Shown is a speculative diagram that incorporates the suggested pathways to and from the plasma membrane in plants.
	www.plantcell.org /cgi/content/full/11/4/643 (7306 words)

	Regulation of platelet granule exocytosis by S-nitrosylation -- Morrell et al. 102 (10): 3782 -- Proceedings of the ...
		Human platelets were pretreated with ODQ for 10 min, then treated with 10 µM DEA-NONOate for 15 min and finally treated with control or 15 µM TRAP, and the amount of P-selectin on the surface was measured by FACS.
		granule exocytosis by S-nitrosylating NSF and inhibiting the
		granule exocytosis is a mechanism to regulate thrombosis.
	www.pnas.org /cgi/content/full/102/10/3782 (3485 words)

	A New Platform to Study the Molecular Mechanisms of Exocytosis -- Mezer et al. 24 (40): 8838 -- Journal of Neuroscience
		Exocytosis is thought to be mediated by a sequence of interactions
		of exocytosis in response to a stimulation (Fig.
		Richmond J, Broadie K (2002) The synaptic vesicle cycle: exocytosis and endocytosis in Drosophila and C.
	www.jneurosci.org /cgi/content/full/24/40/8838 (5864 words)

	Bradykinin B2-Receptor Activation Augments Norepinephrine Exocytosis From Cardiac Sympathetic Nerve Endings : Mediation ...
		Repeated exposure of the synaptosomal preparation to exogenous kallikrein abrogates the potentiation of norepinephrine (NE) exocytosis by the subsequent addition of the kininase II inhibitor enalaprilat (Enal).
		Notably, the EC for the facilitation of norepinephrine exocytosis
		exocytosis was blocked by Hoe 140 and by serine protease inhibitors.
	circres.ahajournals.org /cgi/content/full/81/5/774 (5626 words)

	Molecular mechanisms of platelet exocytosis: insights into the "secrete" life of thrombocytes -- Reed et al. 96 (10): ...
		The size and contents of vesicles, kinetics of exocytosis, secretory signals, Ca levels, magnitude of exocytosis, and role played by endocytosis in both cell types are shown.
		There is a marked difference in the kinetics of exocytosis and signal transduction between these 2 types of cells.
		Aunis D, Langley K. Physiological aspects of exocytosis in chromaffin cells of the adrenal medulla.
	www.bloodjournal.org /cgi/content/full/96/10/3334 (6007 words)

	Differential Actions of PAR2 and PAR1 in Stimulating Human Endothelial Cell Exocytosis and Permeability: The Role of ...
		S-induced exocytosis in permeabilized mast cells is inhibited
		exocytosis in basophilic leukemic cells and pancreatic ß-cells.
		Actin filament disassembly is a sufficient final trigger for exocytosis in nonexcitable cells.
	circres.ahajournals.org /cgi/content/full/92/3/272 (4245 words)

	Receptor mediated endocytosis II
		One should be able to recognize the cytological signs of both processes in the same cell.
		However, it is important to be able to distinguish them from exocytosis profiles associated with the plasma membrane.
		For example, this electron micrograph is showing the process of exocytosis.
	cellbio.utmb.edu /cellbio/recend2.htm (2596 words)

	[Ca2+]i oscillations regulate type II cell exocytosis in the pulmonary alveolus -- Ashino et al. 279 (1): 5 -- AJP - ...
		[Ca2+]i oscillations regulate type II cell exocytosis in the pulmonary alveolus -- Ashino et al.
		Pulmonary surfactant, a critical determinant of alveolar stability, is secreted by alveolar type II cells by exocytosis of
		The exocytosis rate correlated with the frequency of
	ajplung.physiology.org /cgi/content/short/279/1/L5 (1075 words)

	Molecular Analysis of SNAP-25 Function in Exocytosis -- GRAHAM et al. 971 (1): 210 -- Annals of the New York Academy of ...
		Molecular Analysis of SNAP-25 Function in Exocytosis -- GRAHAM et al.
		their regulators in physiological membrane fusion during exocytosis.
		cells, and to combine this with assay of exocytosis at high-time
	www.annalsnyas.org /cgi/content/abstract/971/1/210 (437 words)

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