Network physiology reveals relations between network topology and physiological function.

Network physiology reveals relations between network topology and physiological function.
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DOI:
10.1038/ncomms1705
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发表时间:
2012-02-28
影响因子:
16.6
通讯作者:
--
中科院分区:
综合性期刊1区
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--
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人体是一个综合网络,其中复杂的生理系统,每个系统都有自己的调节机制,不断相互作用,其中一个系统的故障可能引发整个网络的崩溃。识别和量化具有不同类型相互作用的不同系统的动态网络是一项挑战。在这里,我们开发了一个框架来探测不同系统之间的相互作用,我们确定了一个生理网络。我们发现,每个生理状态的特点是一个特定的网络结构,展示了强大的网络拓扑结构和功能之间的相互作用。跨生理状态,网络经历拓扑转换与快速重组的生理相互作用的时间尺度上的几分钟,表明高的网络灵活性,以响应扰动。所提出的系统范围的整合方法可能会促进一个新的领域,网络生理学的发展。
The human organism is an integrated network where complex physiological systems, each with its own regulatory mechanisms, continuously interact, and where failure of one system can trigger a breakdown of the entire network. Identifying and quantifying dynamical networks of diverse systems with different types of interactions is a challenge. Here we develop a framework to probe interactions among diverse systems, and we identify a physiological network. We find that each physiological state is characterized by a specific network structure, demonstrating a robust interplay between network topology and function. Across physiological states, the network undergoes topological transitions associated with fast reorganization of physiological interactions on time scales of a few minutes, indicating high network flexibility in response to perturbations. The proposed system-wide integrative approach may facilitate the development of a new field, Network Physiology.
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