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Analysis of calcium oscillations in pancreatic acinar cells.
Digestion. 1997;58 Suppl 2:69-74.
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Abstract
Since they were first reported in hepatocytes in 1986, agonist-evoked oscillations in intracellular free calcium ([Ca2+]i) have been described in numerous cell types, including pancreatic exocrine and endocrine cells. Pancreatic acinar cells show both 'sinusoidal' [Ca2+]i oscillations (when stimulated with muscarinic agonists) and so-called 'baseline [Ca2+]i spiking' (when stimulated with cholecystokinin, bombesin or analogues of either peptide). These agonist-evoked [Ca2+]i oscillations present novel problems to the investigator, particularly since they show considerable cell-to-cell variability. In this review, we discuss the various approaches available for analysing [Ca2+]i oscillations, particularly with respect to assessing whether drugs or other experimental interventions alter the oscillation pattern.