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  • Title: [Mechanism of Zhongfeng Xingnao Decoction in improving microcirculatory disorders in cerebral hemorrhage based on network pharmacology and molecular docking techniques].
    Author: Zhong XQ, Hu DF, Wang Y, Ning ZQ, Deng MZ.
    Journal: Zhongguo Zhong Yao Za Zhi; 2023 Nov; 48(22):6115-6127. PubMed ID: 38114219.
    Abstract:
    This study aimed to explore the mechanism of Zhongfeng Xingnao Decoction(ZFXN) in intervening microcirculatory di-sorders in cerebral hemorrhage by network pharmacology and molecular docking techniques. The information on the components of ZFXN was obtained through the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform(TCMSP) database, and the predicted targets of chemical components were obtained from PubChem and SwissTargetPrediction. The relevant targets of cerebral hemorrhage and microcirculatory disorders were collected from the GeneCards database, and the common targets of the components and diseases were analyzed by the Database for Annotation, Visualization, and Integrated Discovery(DAVID) for Gene Ontology(GO) and Kyoto Encyclopedia of Genes and Genomes(KEGG) enrichment analyses. Visualization of the correlation network was carried out using Cytoscape software to further screen important chemical components for molecular docking prediction with disease targets. The animal experiment validation was performed using modified neurological severity score(mNSS), enzyme-linked immunosorbent assay(ELISA), quantitative real-time polymerase chain reaction(qRT-PCR), immunofluorescence, and Western blot to detect the effects of ZFXN intervention in mice with cerebral hemorrhage. The results showed that there were 31 chemical components and 856 targets in the four drugs contained in ZFXN, 173 targets for microcirculatory disorders in cerebral hemorrhage, and 57 common targets for diseases and components. The enrichment analysis showed that common targets were mainly involved in biological processes, such as cell proliferation and apoptosis, and signaling pathways, such as tumor pathway, viral infection, phosphoinositide-3-kinase/protein kinase B(PI3K/AKT) signaling pathway, and mitogen-activated protein kinase(MAPK) signaling pathway. Molecular docking results revealed that the common components β-sitosterol of Rhei Radix et Rhizoma, Notoginseng Radix et Rhizoma, and Ginseng Radix et Rhizoma Rubra showed good docking with proto-oncogene tyrosine-protein kinase(SRC), signal transducer and activator of transcription 3(STAT3), phosphoinositide-3-kinase catalytic alpha polypeptide gene(PIK3CA), recombinant protein tyrosine phosphatase non receptor type 11(PTPN11), AKT1, epidermal growth factor receptor(EGFR), calcium adhesion-associated protein beta 1(CTNNB1), vascular endothelial growth factor A(VEGFA), and tumor protein p53(TP53). Moreover, sennoside E of Rhei Radix et Rhizoma showed good docking with MAPK1. The results revealed that the ZFXN relieved the neural injury in mice with cerebral hemorrhage, decreased the expression of S100 calcium-binding protein B(S100β), neuron specific enolase(NSE), matrix metalloproteinase 9(MMP9), tumor necrosis factor α(TNF-α), interleukin 1β(IL-1β), SRC, EGFR, CTNNB1, VEGFA, TP53, glial fibrillary acidic protein(GFAP), and leukocyte differentiation antigen 86(CD86), and increased the expression of p-PI3K, p-AKT, and zona occludens 1(ZO-1). The results indicate that ZFXN may inhibit neuronal apoptosis and inflammatory response through PI3K/AKT/p53 pathway to protect the blood-brain barrier, thereby slowing down microcirculatory impairment in cerebral hemorrhage.
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