Intracellular calcium dynamics--sparks of insight. 2000

D Kraus, and S Khoury, and A Fendyur, and S G Kachalsky, and T Abu-Hatoum, and R Rahamimoff
Department of Physiology and the Bernard Katz Minerva Centre for Cell Biophysics, The Hebrew University--Hadassah Medical School, Jerusalem, Israel.

Calcium ions are of key importance in a large number of cellular functions. In the past decade a large variety of cells have been found to show localized increases in the intracellular calcium concentration named calcium sparks. In this brief review, the methodology of detecting calcium sparks by confocal microscopy is summarized. Some of the properties of calcium sparks in muscle (cardiac, skeletal and smooth muscles), neurons, nerve terminals and oocytes aredescribed. Speculations are put forward regarding their possible role in microcontrol of cell function.

UI MeSH Term Description Entries
D002118 Calcium A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D020013 Calcium Signaling Signal transduction mechanisms whereby calcium mobilization (from outside the cell or from intracellular storage pools) to the cytoplasm is triggered by external stimuli. Calcium signals are often seen to propagate as waves, oscillations, spikes, sparks, or puffs. The calcium acts as an intracellular messenger by activating calcium-responsive proteins. Calcium Oscillations,Calcium Waves,Calcium Puffs,Calcium Sparks,Calcium Spikes,Calcium Oscillation,Calcium Puff,Calcium Signalings,Calcium Spark,Calcium Spike,Calcium Wave,Oscillation, Calcium,Oscillations, Calcium,Puff, Calcium,Puffs, Calcium,Signaling, Calcium,Signalings, Calcium,Spark, Calcium,Sparks, Calcium,Spike, Calcium,Spikes, Calcium,Wave, Calcium,Waves, Calcium

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