LI Yi-shui,CHU Xin-qiao,BIAO Ya-ning,et al.Effect of Danggui Shaoyaosan on TLR4/MyD88/JNK Signaling Pathway on Rats with Nonalcoholic Fatty Liver Disease[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(17):24-31.
LI Yi-shui,CHU Xin-qiao,BIAO Ya-ning,et al.Effect of Danggui Shaoyaosan on TLR4/MyD88/JNK Signaling Pathway on Rats with Nonalcoholic Fatty Liver Disease[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(17):24-31. DOI: 10.13422/j.cnki.syfjx.20211737.
Effect of Danggui Shaoyaosan on TLR4/MyD88/JNK Signaling Pathway on Rats with Nonalcoholic Fatty Liver Disease
the efficacy and mechanism of Danggui Shaoyaosan on rats of nonalcoholic fatty liver disease (NAFLD).
Method
2
Sixrty SPF SD male rats were randomly divided into normal group, model group,essentiale (0.144 g·kg
-1
) and low, middle and high-dose of Danggui Shaoyaosan groups (2.44, 4.88, 9.76 g·kg
-1
). High fat diet were fed to bulid the NAFLD model, and each treatment group was given corresponding drugs at the same time. After 8 weeks, the serum and liver tissue were collected to detect the contents or activities of total cholesterol (TC), triglyceride (TG), alanine aminotransferase (ALT), aspartic acid aminotransferase (AST), tumor necrosis factor-
α
(TNF-
α
) and interleukin-10 (IL-10) in serum, the contents of TC, TG and free fatty acid (FFA) in liver tissue, Real-time fluorescence quantitative polymerase chain reaction(Real-time PCR) and Western blot were used to observe the gene and protein expressions of Toll-like receptor 4 (TLR4), myeloid different factory 88 (MyD88) and c-Jun n-terminal kinase (JNK) and the protein expression of phosphorylation JNK(p-JNK) in liver tissue. Hematoxylin-eosin (HE) staining and Oil red staining to observe the pathological morphological changes of liver.
Result
2
Compared with control group, the contents or activities of TC, TG, ALT, AST and TNF-
α
in serum, the contents of TC, TG and FFA in liver and the gene and protein expressions of TLR4, MyD88, JNK, and the protein expression of p-JNK in liver tissue of model group were distinctly increased (
P
<
0.01), the content of IL-10 was significantly decreased (
P
<
0.01). Compared with model group, the contents or activities of TC, TG, ALT, AST and TNF-
α
in serum, the contents of TC, TG and FFA in liver and the mRNA and protein expressions of TLR4, MyD88 and JNK, and the protein expression of p-JNK in liver tissue of Danggui Shaoyaosan groups were significantly reduced (
P
<
0.05,
P
<
0.01), the content of IL-10 in serum of Danggui Shaoyaosan groups was distinctly increased(
P
<
0.05,
P
<
0.01), HE staining and Oil red staining show that the degree of liver steatosis was alleviated obviously by Danggui Shaoyaosan.
Conclusion
2
Danggui Shaoyaosan has a better treatment on NAFLD by inhibiting TLR4/MyD88/JNK pathway and alleviating the inflammation response.
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