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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 38 Issue 7
Jul.  2022
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Article Contents

Mechanism of Lingmao Formula in treatment of chronic hepatitis B based on network pharmacology and animal experiment

DOI: 10.3969/j.issn.1001-5256.2022.07.010
Research funding:

National Natural Science Foundation of China (81774256);

National Natural Science Foundation of China (81874436)

More Information
  • Corresponding author: GAO Yueqiu, gaoyueqiu@hotmail.com (ORCID: 0000-0001-7276-9810)
  • Received Date: 2021-10-29
  • Accepted Date: 2021-12-17
  • Published Date: 2022-07-20
  •   Objective  To investigate the association between Lingmao Formula and type Ⅰ interferon in the treatment of chronic hepatitis B.  Methods  TCMSP database was used to obtain the main active components of Lingmao Formula; Genecards database was used to obtain the targets of Lingmao Formula and chronic hepatitis B; Bioinformatics was used to obtain the intersection of drug targets and disease targets, plot Venn diagram, and perform GO enrichment analysis, and DAVID 6.8 was used for KEGG enrichment analysis; CytoScape 3.8.0 was used to obtain immune response-related pathways. A total of 30 specific pathogen-free male C57BL/6N mice were randomly divided into normal group, model group, and Lingmao Formula group, with 10 mice in each group. All mice except those in the normal group were used to establish a model of HBV replication in vivo by hydrodynamic transfection; the mice in Lingmao Formula group were given Lingmao Formula by gavage, twice a day for 3 days, and those in the model group and the normal group were given an equal volume of normal saline by gavage. Serum samples were collected after the experiment ended and ELISA was used to measure the changes in the levels of HBsAg, HBeAg, and type Ⅰ interferon. The independent samples t-test was used for comparison of continuous data between two groups, and one-way ANOVA combined with the least significant difference t-test was used for multiple comparisons between groups.  Results  Network pharmacology obtained 22 active components and 6059 action targets of Lingmao Formula, 481 targets associated with chronic hepatitis, and 387 drug-disease intersecting targets and proposed the hypothesis that Lingmao Formula participated in hepatitis B-related immune response by regulating type Ⅰ interferon. Animal experiments confirmed that compared with the model group, the Lingmao Formula group had significant reductions in HBsAg (t=2.227, P=0.043) and HBeAg (t=2.488, P=0.026), with significantly greater reductions in HBsAg (t=-4.603, P < 0.001) and HBeAg (t=-2.224, P=0.043); compared with the normal group, the model group had no significant changes in the levels of IFNα and IFNβ (P > 0.05), and the Lingmao Formula group had significant increases in the levels of IFNα and IFNβ (P < 0.001); compared with the model group, the Lingmao Formula group also had significant increases in the levels of IFNα and IFNβ (P < 0.001).  Conclusion  Lingmao Formula exerts an anti-HBV effect by regulating the secretion of type Ⅰ interferon.

     

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