OBJECTIVE:To investigate the mechanism underpinning the effeicay of Shugan Sanjie decoction(疏肝散结汤,SGSJD)on plasma cell mastitis(PCM)based on network pharmacology,and to verify it through in vitro.METHODS:Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform and Bioinformatics Analysis Tool for Molecular mechanism of Traditional Chinese Medicine were used to screen effective compounds and drug targets;Online Mendelian Inheritance in Man and GeneCards were used to search for PCM targets.The potential targets of SGSJD in treating PCM were obtained after the drug targets and disease targets were crossed.Cytoscape software was used to establish and analyze the network of Chinese medicines-active compounds-targets-disease;STRING database platform was used to analyze Protein Protein Interaction network;Bioconductor software package was used to perform Gene ontology and Kyoto Encyclopedia of Genes and Genomes enrichment for potential targets.Western blot analysis was used to verify the janus kinase/signal transducer and activator of transcription(JAK-STAT)pathway in vitro.RESULTS:(a)47 potential pharmacological components of SGSJD treatment of PCM were screened including quercetin,luteolin,kaempferol and others;20 common targets were obtained,including interleukin-6(IL-6),epidermal growth factor receptor,estrogen receptor 1,nitric oxide synthase 3 and others;a number of signal pathways were available,of which advanced glycation end product/receptor for advanced glycation end products signaling pathway in diabetic complications,hypoxia-inducible factor 1 signaling pathway and janus tyrosine kinase-signal transducer and transcription activator(JAK-STAT)signaling pathway were the main signal pathways related to PCM.(b)Compared with the Blank group,the expressions of p-JAK2/JAK2,p-STAT3/STAT3 and IL-6 protein in the Model group were significantly increased(P＜0.01);Compared with the Model group,the expression of p-JAK2/JAK2,p-STAT3/STAT3,and IL-6 protein in the treatment group were significantly reduced in a dose-dependent manner(P＜0.05).Compared with the Model group,the dexamethasone significantly reduced the expression of p-JAK2/JAK2,p-STAT3/STAT3,and IL-6(P＜0.01).CONCLUSIONS:The SGSJD may regulate the JAK-STAT signaling pathway to achieve the effect of treating PCM by reducing the expression of p-JAK2/JAK2,p-STAT3/STAT3 and IL-6 in a dose-dependent manner.

QIAO Nan;WANG Qinnan;MA Chaoqun;CHEN Dexuan;CHEN Haidong;LU Yaoyao

Department of general surgery,Nantong Hospital Affiliated to Nanjing University of Chinese Medicine,Nantong 226001,China;Department of science and education,Affiliated Nantong Hospital of Shanghai University,Nantong 226000,China;Department of general surgery,Affiliated Hospital to Nanjing University of Chinese Medicine,Nanjing 210029,China

中医杂志（英文版）

[1]QIAO Nan;WANG Qinnan;MA Chaoqun;CHEN Dexuan;CHEN Haidong;LU Yaoyao-.Mechanism underlying efficacy of Shugan Sanjie decoction(疏肝散结汤)on plasma cell mastitis,based on network pharmacology and experimental verification)[J].中医杂志（英文版）,2022(03):400-407

Sanjie,effeicay,SGSJD

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