Stimulus secretion coupling
Stimulus secretion coupling in the neurohypophysis of the jerboa Jaculus orientalis
... 1991) and another high-threshold channel type has been described (Llinas, 1988). In view of recent pharmacological and electrophysiological studies, one could simply classify the high-threshold channels as ‘L’ ...
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Diminished agonist stimulated inositol trisphosphate generation blocks stimulus secretion coupling in mouse pancreatic acini during diet induced experimental pancreatitis
... Young female mice fed a choline-deficient, ethionine-supplemented (CDE) diet rapidly develop acute hemorrhagic pancreatitis. We have observed that pancreatic acini prepared from these mice are unable to secrete amylase ...
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Stimulus Secretion Coupling: A Perspective Highlighting the Contributions of Peter Baker
... Electropermeabilized platelets Although early experiments with electropermeabilized blood platelets yielded results that were very similar to those obtained from the chromaffin cell Knig[r] ...
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Enhanced stimulus secretion coupling in polyamine depleted rat insulinoma cells An effect involving increased cytoplasmic Ca2+, inositol phosphate generation, and phorbol ester sensitivity
... insulin secretion and the increase in cytoplasmic free Ca2+ concentration ([Ca2+]i) after K(+)- induced depolarization were markedly enhanced in DFMO-treated ...insulin secretion, despite an unaltered ...
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The stimulus secretion coupling of glucose induced insulin release Metabolic and functional effects of NH4+ in rat islets
... NH4+ caused a dose-related, rapid, and reversible inhibition of glucose-stimulated insulin release by isolated rat islets. It also inhibited glyceraldehyde-, Ba2+-, and sulfonylurea- stimulated insulun secretion. ...
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Investigation of stimulus secretion coupling in equine sweat gland epithelia using cell culture techniques
... These cell lines therefore provide a potentially inexhaustible source of experimental material. Physiological studies of some other such ‘immortal’ epithelial cell lines have provided valuable insights into the mechanism ...
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The role of calcium in stimulus secretion coupling in excitable and non excitable cells
... Activation of protein kinaseC through phorbol esters has been reported to augment transmitter release at the neuromuscular junction Shapira, Silberberg, Ginsburg & Rahamimoff, 1987, to i[r] ...
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The Stimulus Secretion Coupling of Glucose Induced Insulin Release VII A PROPOSED SITE OF ACTION FOR ADENOSINE 3′,5′ CYCLIC MONOPHOSPHATE
... However, at higher glucose concentrations, no significant effect of either theophylline or db-cAMP upon glucose-induced calcium uptake could be detected Table II, suggesting that the mar[r] ...
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Stimulus secretion coupling in excitable cells: a central role for calcium
... stimulus in a chromaffin cell and its co-localisation with the endoplasmic reticulum/nuclear envelope organelle. (A) The cell was stained with an antibody to the major endoplasmic reticulum glycoprotein, ...
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Possible role for calmodulin in insulin release Studies with trifluoperazine in rat pancreatic islets
... insulin secretion from rat pancreatic islets has been examined by the use of trifluoperazine, an inhibitor of calmodulin-Ca++-directed ...glucose stimulus-secretion coupling appears to be ...
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Increased islet apoptosis in Pdx1+/– mice
... insulin secretion by complex mechanisms that include islet apoptosis and disrupted islet archi- tecture, but not a ubiquitous or cell-autonomous defect in β cell stimulus-secretion ...
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The Geometry of Stimulus Control
... of stimulus control that can bring together a number of different phenomena, and also allow a comparison between data from the field and the ...of stimulus-response associations to novel stimuli, and we ...
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Discovery of Active Cis Regulatory Elements and Transcription Factor Footprints in Nematodes Using Functional Genomics Approaches
... signal transduction cellular response to stimulus regulation of cellular process regulation of biological process response to chemical stimulus response to stimulus signalling localizati[r] ...
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LEARNING STYLES AND STUDY HABITS OF VISUALLY IMPAIRED AND ORTHOPEDICALLY CHALLENGED COLLEGE GOING STUDENTS
... 1. It was found that there is significant mean difference between visually impaired and orthopedically challenged students on environmental stimulus dimension of learning style. Orthopedically challenged students ...
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Type IV secretion in Gram negative and Gram positive bacteria
... 2013). Secretion of ssDNA is also required for the initial stages of biofilm formation, presumably helping during colonization (Zweig et ...DNA secretion (Pachulec et ...
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The Time Course of Pacemaker Inhibition in the Hydroid Tubularia
... The degree of inhibition in the few seconds following a stimulus is considerably greater at higher stimulus frequencies, indicating that the inhibitory effects of a stimulus can sum with[r] ...
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Flammersfeld, Lisa (2005): Operationalization of the dimensions of a classification of mental functions. Dissertation, LMU München: Medizinische Fakultät
... between two different stimuli which are presented either to the right or to the left ear. These two auditory stimuli are randomized for each condition. In addition to the randomization of stimulus presentation ...
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Tracing Putative Trafficking of the Glycolytic Enzyme Enolase via SNARE-Driven Unconventional Secretion
... G lycolytic enzymes play various roles inside and outside the cell (53). Although they are cytosolic proteins, numerous large-scale analyses have revealed their extracellular existence, in both unicellular and ...
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Quantitative analysis of sex pheromone coding in the antennal lobe of the moth Agrotis ipsilon: a tool to study network plasticity
... the stimulus intensity and duration affected the excitatory phase but not the inhibitory phase ...The stimulus intensity was shown to be encoded in the firing frequency, the number of spikes and the latency ...
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Coupling the Kolmogorov diffusion : maximality and efficiency considerations
... finite-look-ahead coupling for a Kolmogorov diffusion. The coupling described in Theorem 6 has a horizon which extends at a geometric rate over successive blocks: as noted after the proof of Theorem 6, the ...
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