LIU Hongcun,ZHU Zhenxin,LU Yue,et al.Derris eriocarpa Extract Treats Gout via TLR4/NF-κB/NLRP3 Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(23):72-80.
LIU Hongcun,ZHU Zhenxin,LU Yue,et al.Derris eriocarpa Extract Treats Gout via TLR4/NF-κB/NLRP3 Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(23):72-80. DOI: 10.13422/j.cnki.syfjx.20230509.
Derris eriocarpa Extract Treats Gout via TLR4/NF-κB/NLRP3 Pathway增强出版
extract by network pharmacological analysis combined with
in vivo
and
in vitro
experimental verification.
Method
2
The chemical components and candidate targets of
D. eriocarpa
were obtained from the database. The key targets and potential active components of
D. eriocarpa
in the treatment of gout were screened by the protein-protein interaction analysis, and then the Gene Ontology (GO) functional annotation and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment were performed for the key targets. A mouse model of hyperuricemia was established by intraperitoneal injection of hypoxanthine to observe the effect of
D. eriocarpa
alcohol extract on hyperuricemia. A rat model of gouty inflammation induced by the injection of microcrystalline sodium urate crystals into the foot and plantar was used to observe the effect of
D. eriocarpa
alcohol extract on gouty inflammation. A xylene-induced acute inflammation model was established to observe the anti-inflammatory effect of
D. eriocarpa
alcohol extract. The hot plate test and twisting test were performed to observe the pain-relieving effect of
D. eriocarpa
. The lipopolysaccharide (LPS)-induced RAW264.7 cells were used to study the anti-gout effect and mechanism of
D. eriocarpa
alcohol extract.
Result
2
A total of 12 key targets and 15 potential active components were obtained from the
D. eriocarpa
-component-gout target network. The emodin, betulinic acid, and medicarpin
endowed
D. eriocarpa
with anti-hyperuricemia, anti-inflammatory, and pain-relieving effects by acting on Toll-like receptor 4 (TLR4), NOD-like reception protein 3 (NLRP3), and nuclear factor (NF)-
κ
B. Compared with the control group, the model groups showed elevated serum uric acid level in mice (
P
<
0.01), increased swelling degree of rats (
P
<
0.05,
P
<
0.01), alleviated the auricular swelling of mice (
P
<
0.05), reduced the twisting times of mice (
P
<
0.05,
P
<
0.01), and increased the hot plate pain threshold (
P
<
0.05). Moreover, the model group showed up-regulated mRNA level of TLR4 and protein levels of TLR4, NF-
κ
B, and NLRP3 in cells (
P
<
0.01), and elevated levels of TLR4 and NF-
κ
B in the cell supernatant (
P
<
0.05,
P
<
0.01). Compared with the model group, the alcoholic extracts (20, 10, 5 g·kg
-1
) of
D. eriocarpa
lowered the serum uric acid level in hyperuricemic mice (
P
<
0.01), inhibited foot and plantar swelling in rats (
P
<
0.05,
P
<
0.01), down-regulated the mRNA level of TLR4 and the protein levels of TLR4, NF-
κ
B, NLRP3 in cells, and lowered the levels of TLR4, TNF-α, NF-
κ
B, and IL-6 in cell supernatants (
P
<
0.05,
P
<
0.01).
Conclusion
2
D. eriocarpa
alcohol extract may exert the anti-gout, anti-inflammatory, and pain-relieving effects by regulating the TLR4/NF-
κ
B/NLRP3 signaling pathway.
关键词
毛果鱼藤痛风Toll样受体4(TLR4)NOD样受体蛋白3(NLRP3)炎症
Keywords
Derris eriocarpagoutToll-like receptor 4 (TLR4)NOD-like reception protein 3 (NLRP3)inflammation
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