The elemental principles of calcium signaling
Article Abstract:
All-or-none Ca2+ pulses produce calcium (Ca) signals which control cellular processes, such as secretion and proliferation. Restriction and coordination of Ca2+ release units produces different physiological conditions. Most cellular processes use Ca2+ released from intracellular reserves. The receptors of ryanodine or inositol 1,4,5-trisphosphate control the release of Ca2+. The movement of Ca2+ into the cell by the opening of the voltage-dependent Ca2+ channels is seen in the squid giant synapse and Drosophila photoreceptors.
Publication Name: Cell
Subject: Biological sciences
ISSN: 0092-8674
Year: 1995
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Cooking with calcium: The recipes for composing global signals from elementary events
Article Abstract:
It is indicated that global intracellular Casuper2+ signals are caused by the summation and coordination of subcellular elementary release events. Casuper2+ transients from HeLa cells were imaged using confocal microscopy, to determine how cells use elementary Casuper2+ release events. The effect of the advancement in the three domains was to push ambient Casuper2+ concentration towards a regenerative signal, leading to a global Casuper2+ wave.
Publication Name: Cell
Subject: Biological sciences
ISSN: 0092-8674
Year: 1997
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