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基于生物网络探讨防治冠心病药物作用机制

Keywords: 冠心病,疾病网络,药物作用网络,网络特征,作用机制

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Abstract:

该文以冠心病疾病相关基因和靶点以及防治冠心病药物作用靶点为研究对象,分别构建冠心病疾病网络和防治冠心病药物作用网络,并对网络的度分布、特征路径长度、连通情况和异质性等网络拓扑特征参数进行分析,验证了网络的可靠性;在此基础上对2个网络取Intersection计算,对二者的交集子网络进行药物作用机制解析。所构建的冠心病疾病网络含有15221个节点和31177条边、防治冠心病药物作用网络含有15073个节点和32376条边,2个网络的拓扑特征参数表明均具有无标度和小世界的整体结构特性。本文以交集子网络中降钙素基因相关肽和IL-6激活JAK/STAT2个反应途径为例,探讨阐释了药物防治冠心病的间接作用机制。研究结果表明将疾病网络与药物作用网络相互结合的生物网络分析方法有助于进一步深入认识药物治疗的作用机制,对于疾病的预防和治疗具有重要价值。

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