Dynamics Analysis and Transition Mechanism of Bursting Calcium Oscillations in Non-Excitable Cells
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Abstract
A one-pool model with Ca2+-activated inositol-trisphosphate-concentration degradation is considered. For complex bursting Ca2+ oscillation, point--cycle bursting of subHopf--subHopf type is found to be in the intermediate state from quasi-periodic bursting to point--point bursting of subHopf--subHopf type. The fast--slow burster analysis is used to study the transition mechanisms among simple periodic oscillation, quasi-periodic bursting, point--point and point--cycle burstings. The dynamics analysis of different oscillations provides better insight into the generation and transition mechanisms of
complex intra- and inter-cellular Ca2+ signalling.
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