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Transition in complex calcium bursting induced by IP3 degradation

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  • Zhang, Feng
  • Lu, Qishao
  • Su, Jianzhong

Abstract

Complex intracellular Ca2+ oscillations are systematically investigated in a mathematical model based on the mechanism of Ca2+-induced Ca2+ release (CICR), taking account of the Ca2+-stimulated degradation of inositol 1,4,5-trisphosphate (IP3) by a 3-kinase. Periodic, quasi-periodic and chaotic bursting oscillations exist in a wide range of parameter values and occur alternatively as the parameters change slightly. The transition among them can be observed by the evidence in their interspike interval and the Lyapunov exponent. These results reveal the role of agonist-stimulated of IP3 degradation as a possible source for complex patterns in Ca2+ signaling.

Suggested Citation

  • Zhang, Feng & Lu, Qishao & Su, Jianzhong, 2009. "Transition in complex calcium bursting induced by IP3 degradation," Chaos, Solitons & Fractals, Elsevier, vol. 41(5), pages 2285-2290.
    • Handle: RePEc:eee:chsofr:v:41:y:2009:i:5:p:2285-2290
    DOI: 10.1016/j.chaos.2008.09.006
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    1. Wen-hong Li & Juan Llopis & Michael Whitney & Gregor Zlokarnik & Roger Y. Tsien, 1998. "Cell-permeant caged InsP3 ester shows that Ca2+ spike frequency can optimize gene expression," Nature, Nature, vol. 392(6679), pages 936-941, April.
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    Cited by:

    1. Xing, Miaomiao & Song, Xinlin & Wang, Hengtong & Yang, Zhuoqin & Chen, Yong, 2022. "Frequency synchronization and excitabilities of two coupled heterogeneous Morris-Lecar neurons," Chaos, Solitons & Fractals, Elsevier, vol. 157(C).
    2. Danjin Zhang & Youhua Qian, 2023. "Bursting Oscillations in General Coupled Systems: A Review," Mathematics, MDPI, vol. 11(7), pages 1-16, April.

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