| Dynamics Analysis and Transition Mechanism of Bursting Calcium Oscillations in Non-Excitable Cells |
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| 作者姓名： | 张凤 陆启韶 段利霞 |
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| 作者单位： | [1]School of Science, Beijing University of Aeronautics and Astronautics, Beijing 100083 [2]Institute of Systems Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100080 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 10432010 and 10702002. |
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| 摘 要： | A one-pool model with Ca^2＋-activated inositol-trisphosphate-concentration degradation is considered. For complex bursting Ca^2＋ 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 Ca^2＋ signalling.
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| 关 键 词： | 动态分析 转换机制 振荡 非激励状态 |
| 收稿时间： | 2007-03-03 |
Dynamics Analysis and Transition Mechanism of Bursting Calcium Oscillations in Non-Excitable Cells |
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| ZHANG Feng,LU Qi-Shao,DUAN Li-Xia.Dynamics Analysis and Transition Mechanism of Bursting Calcium Oscillations in Non-Excitable Cells[J].Chinese Physics Letters,2007,24(12):3344-3346. |
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| Authors: | ZHANG Feng LU Qi-Shao DUAN Li-Xia |
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| Affiliation: | School of Science, Beijing University of Aeronautics and Astronautics, Beijing 100083Institute of Systems Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100080 |
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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 ofcomplex intra- and inter-cellular Ca2+ signalling. |
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| Keywords: | 05 45 -a 82 40 Bj |
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