Anti-pyroptosis effect of Albiziae Cortex-Tribuli Fructus combination on hepatic stellate cell line LX2: based on network pharmacology / 中国中药杂志

Based on network pharmacology, molecular docking, and in vitro experimental verification, this study aims to explore the effect of Albiziae Cortex-Tribuli Fructus combination on HSC-LX2 pyroptosis. Specifically, the targets of Albiziae Cortex, Tribuli Fructus, and hepatic fibrosis were retrieved from an online database and CNKI, and "drug-component-target" network and "drug-component-target-disease" network were constructed. Protein-protein interaction(PPI) network was established based on STRING. Metascape was employed for Gene Ontology(GO) term enrichment and Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment, and the mechanism of Albiziae Cortex-Tribuli Fructus combination against liver fibrosis was predicted. Molecular docking was used to verify some of the results of network pharmacology, and in vitro experiment was carried out to further verify the above conclusions. According to the results of network pharmacological analysis, 25 active components and 439 targets of Albiziae Cortex-Tribuli Fructus combination and 152 anti-liver fibrosis targets were screened out, including nucleotide-binding oligomerization domain and leucine-rich-repeat-and pyrin-domain-containing 3(NLRP3) and caspase-1. The key targets were involved in 194 KEGG pathways in which the NOD-like receptor signaling pathway topped. The binding common targets were related to pyroptosis. The results of in vitro experiment showed that the pair-containing serum reduced the proliferation rate of HSC-LX2 and the content of reactive oxygen species(ROS), interleukin-18(IL-18), and interleukin-1β(IL-1β)(P<0.05). Western blot and qRT-PCR suggested that the protein and gene expression of NLRP3, caspase-1, α-smooth muscle actin(α-SMA), and gasdermin D(GSDMD) in HSC-LX2 increased after AngⅡ stimulation, and the expression decreased after the intervention of pair-containing serum(P<0.05). In summary, the pair-containing serum can inhibit the classic pathway of pyroptosis, which may be the anti-liver fibrosis mechanism. This is consistent with the predicted results of network pharmacology.

Grade Evaluation of Albiziae Cortex Decoction Pieces Based on Quality Constant Method / 中国实验方剂学杂志

The quality constant evaluation method was applied to the grading evaluation of Albiziae Cortex decoction pieces. The morphological and component indexes of 12 batches of the decoction pieces were measured, their quality constants were calculated and graded. The results showed that the quality constant ranged from 0.041 to 0.167. If the percentage quality constant ≥ 80%was the first-grade decoction pieces, <80%and ≥ 50%was the second-grade decoction pieces, <50%was the third-grade decoction pieces; the quality constant of the first-grade decoction pieces was ≥ 0.133 6, the second-grade decoction pieces was ≥ 0.083 5 and <0.133 6, and the third-grade decoction pieces was <0.083 5. In this paper, the authors further applied the quality constant evaluation method of skin piece in the grading evaluation of Albiziae Cortex decoction pieces, which proved that the method was reasonable and scientific, and it can provide a reference for the quality grading of this decoction pieces.