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The phenomena of an intracellular calcium oscillation system with non-Gaussian noises

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  • Lin, Ling
  • Duan, Wei-Long

Abstract

An intracellular calcium oscillation (ICO) system with non-Gaussian noises in transmission processes of intracellular Ca2+ is studied by means of a second-order stochastic Runge–Kutta type algorithm. The normalized autocorrelation function (NAF) and the characteristic correlation time (CCT) of cytosolic and calcium store’s Ca2+ concentration are simulated. The results exhibit that both NAFs of cytosolic and calcium store’s Ca2+ concentration show almost periodic oscillation when the non-Gaussian noises are weak or the correlation time of non-Gaussian noises is long, but the oscillations of both NAFs decrease when the non-Gaussian noises are strong or the correlation time is short. Moreover, both CCTs of cytosolic and calcium store’s Ca2+ concentration demonstrate that noises enhance stability, reverse resonance, and coherence resonance occur in the ICO system.

Suggested Citation

  • Lin, Ling & Duan, Wei-Long, 2015. "The phenomena of an intracellular calcium oscillation system with non-Gaussian noises," Chaos, Solitons & Fractals, Elsevier, vol. 77(C), pages 132-137.
    • Handle: RePEc:eee:chsofr:v:77:y:2015:i:c:p:132-137
    DOI: 10.1016/j.chaos.2015.05.018
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    Cited by:

    1. Duan, Wei-Long & Zeng, Chunhua, 2017. "Signal power amplification of intracellular calcium dynamics with non-Gaussian noises and time delay," Applied Mathematics and Computation, Elsevier, vol. 292(C), pages 400-405.
    2. Duan, Wei-Long & Zeng, Chunhua, 2017. "Statistics for anti-synchronization of intracellular calcium dynamics," Applied Mathematics and Computation, Elsevier, vol. 293(C), pages 611-616.

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