A stochastic model of intracellular calcium oscillations is analytically studied. The governing master equation is expanded under the linear noise approximation and a closed prediction for the power spectrum of fluctuations analytically derived. A peak in the obtained power spectrum profile signals the presence of stochastic, noise induced, oscillations which extend also outside the region where a deterministic limit cycle is predicted to occur.
Linear noise approximation for stochastic oscillations of intracellular calcium / Laura Cantini; Claudia Cianci; Duccio Fanelli; Emma Massi; Luigi Barletti. - In: JOURNAL OF THEORETICAL BIOLOGY. - ISSN 0022-5193. - STAMPA. - 349:(2014), pp. 92-99. [10.1016/j.jtbi.2014.01.035]
Linear noise approximation for stochastic oscillations of intracellular calcium
CIANCI, CLAUDIA;FANELLI, DUCCIO;BARLETTI, LUIGI
2014
Abstract
A stochastic model of intracellular calcium oscillations is analytically studied. The governing master equation is expanded under the linear noise approximation and a closed prediction for the power spectrum of fluctuations analytically derived. A peak in the obtained power spectrum profile signals the presence of stochastic, noise induced, oscillations which extend also outside the region where a deterministic limit cycle is predicted to occur.File | Dimensione | Formato | |
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