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Title: Network pharmacology strategy for revealing the pharmacological mechanism of pharmacokinetic target components of San-Ye-Tang-Zhi-Qing formula for the treatment of type 2 diabetes mellitus.
Author: Liu W, Chen X, Ge Y, Wang H, Phosat C, Li J, Mao HP, Gao XM, Chang YX.
Journal: J Ethnopharmacol; 2020 Oct 05; 260():113044. PubMed ID: 32535242.
Abstract:
ETHNOPHARMACOLOGICAL RELEVANCE: San-Ye-Tang-Zhi-Qing formula (SYTZQ) is an effective prescription for the treatment of pre-diabetes disorders of glycolipid metabolism in type 2 diabetes mellitus (T2DM). It consists of five Chinese herbs including Mori Folium, Nelumbinis Folium, Crataegi Folium, Salviae Miltiorrhizae Radix et Rhizoma and Paeoniae Radix Rubra. AIM OF THE STUDY: This study was aimed to reveal the pharmacological mechanism of pharmacokinetic target components of SYTZQ for the treatment of T2DM. MATERIALS AND METHODS: A rapid, precise and sensitive ultra-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was developed to quantify simultaneously nuciferin, vitexin-4″-O-glucoside, vitexin-2″-O-rhamnoside, paeoniflorin and rosmarinic acid in rat plasma after oral administration of SYTZQ. The network pharmacology was used to analyze the effect of the compounds absorbed into the blood of SYTZQ on T2DM. The effects of paeoniflorin, nuciferine and rosmarinic acid on adipogenic differentiation were validated in vitro experiments. RESULTS: The separation was performed on an ACQUITY UHPLC HSS T3 column (2.1 mm × 100 mm, 1.7 μm) using acetonitrile and 0.1% (v/v) formic acid in water as the mobile phase in gradient elution. The calibration curves of five analytes showed good linearity (r ≥ 0.9991) with the lower limits of quantification (LLOQ) between 0.3 and 5.0 ng/mL. The recoveries and matrix effects of five analytes ranged from 81.1% to 113%. The RSDs of inter-day and intra-day precision were all within 13.7%. The validated method was successfully applied to the pharmacokinetic study of five ingredients after oral administration of SYTZQ to rat. 39 major targets and 22 candidate pathways of five compounds absorbed into the blood of rats after administration of SYTZQ were identified and successfully constructed a compound-target-disease-pathway network. It was confirmed that paeniforin, nuciferine and rosmarinic acid could decrease the adipogenicity differentiation in vitro experiments. CONCLUSIONS: The pharmacokinetic parameters indicated that the five components (nuciferin, vitexin-4″-O-glucoside, vitexin-2″-O-rhamnoside, paeoniflorin and rosmarinic acid) were absorbed and eliminated quickly in vivo. These five absorbed components were associated with 22 pathways, including insulin resistance, regulation of lipolysis in adipocytes, PI3k/AKT-, TNF-, cAMP- and cGMP-PKG-signaling pathway. Paeoniflorin, nuciferine and rosmarinic acid have the effect of inhibiting adipocyte differentiation. This study could provide more reference for quality control, and provide a firm basis for evaluating the clinical efficiency of SYTZQ.

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