Abstract
The efficiency network is a complicated network for revealing the efficient mechanism of traditional Chinese medicines (TCMs) and relations among efficiencies. The efficiency-property relations were used to establish a warm-pungent-liver efficiency network to explain the principle of treating hepatoma with medicines invigorating blood circulation and eliminating blood stasis. Safflower, a warm-pungent medicine distributing along the live meridian, was taken for example to discuss the efficiency network' s application in the identification of active ingredients of TCMs and the combination. In the early stage of this study, combined warm-pungent-liver medicines distributed along the liver meridian and invigorating blood circulation and eliminating blood stasis were taken as the study objects to collect the pharmacological effect data of warm-pungent-liver medicines and obtain the pharmacological effect combinations with the highest blood circulation-invigorating association by the association rules and the chi-square test. The pharmacological target data recorded in the DrugBank database is used to establish the warm-pungent-liver efficiency network according to the principle line of "efficiency-property-pharmacology-target-protein interaction" under the background of the protein interaction network. The blood circulation-invigorating medicines could directly treat hepatoma by impacting protooncogene, cancer suppressor gene, cell apoptosis and anti-inflammation, and indirectly treat hepatoma by resisting coagulation and adhesion, regulating local blood circulation, preventing cancer cell metastasis and enhancing the tissues' sensitivity to the anticancer drugs. Among the active ingredients of safflower screened based on the blood circulation-invigorating network targets, carthamin yellow, quercetin and luteolin have been proved to have the anti-hepatoma effect in literatures, which indicated the reliability of this study's results and the purpose of the efficiency network. The efficiency network is an effective method for revealing the TCM's mechanism, and lays a foundation for discovering key active ingredients of TCMs for treating specific diseases.
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