GUO Shiyun,GUO Yuxuan,SUN Yi,et al.Exploration of Therapeutic Effect of Wujiwan on Inflammatory Bowel Disease in Rats Based on PPARγ Signaling Pathway and T-cell Immunoregulation[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(23):237-245.
GUO Shiyun,GUO Yuxuan,SUN Yi,et al.Exploration of Therapeutic Effect of Wujiwan on Inflammatory Bowel Disease in Rats Based on PPARγ Signaling Pathway and T-cell Immunoregulation[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(23):237-245. DOI: 10.13422/j.cnki.syfjx.20241644.
Exploration of Therapeutic Effect of Wujiwan on Inflammatory Bowel Disease in Rats Based on PPARγ Signaling Pathway and T-cell Immunoregulation
This study explores the efficacy and pharmacological mechanism of Wujiwan in rats with inflammatory bowel disease (IBD) from the perspectives of the peroxisome proliferator-activated receptor
γ
(PPAR
γ
) signaling pathway and T-cell immunity, providing reference for the treatment of IBD with traditional Chinese medicine.
Method
2
The study involved administering 2,4,6-trinitrobenzenesulfonic acid (TNBS) enemas to 35 rats to induce acute IBD. After 24 hours, the animals were divided into the following groups: normal group, model group, Wujiwan treatment group, and positive drug control group. Each group received gastric gavage for 8 consecutive days before the rats were dissected to compare the disease activity index (DAI) of the rat colon tissue, the colon mucosal damage index (CMDI), and the spleen index. Enzyme-linked immunosorbent assay (ELISA) was used to measure the levels of interleukin-1
β
(IL-1
β
), interleukin-10 (IL-10), and tumor necrosis factor-
α
(TNF-
α
) in the serum. Quantitative real-time polymerase chain reaction (Real-time PCR) was used to dete
rmine the mRNA expression levels of T-bet (T-box expressed in T cells) and Gata3 (Gata-binding protein-3) in the colon tissue. Western blot analysis was conducted to detect the protein expression levels of PPAR
γ
, T-bet, and nuclear factor
-κ
B p65 (NF-
κ
B p65) in the rat colon.
Result
2
The rat model of IBD was successfully established. Compared with the model group, the Wujiwan treatment group showed reduced DAI, CMDI, and spleen index, decreased content of TNF-
α
in the serum(
P
<
0.01), significantly increased content of IL-10(
P
<
0.01), and elevated mRNA content of T-bet and Gata3(
P
<
0.05) in the colon tissue. The expression of PPAR
γ
protein was augmented(
P
<
0.05), and the expression of T-bet and NF-
κ
B p65 protein was decreased(
P
<
0.05,
P
<
0.01).
Conclusion
2
Wujiwan activates or upregulates PPAR
γ
expression in IBD rats to inhibit the generation of pro-inflammatory factors, participates in the inflammatory immune process, and alleviates inflammatory reactions. Its mechanism may involve regulating the NF-
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Role of PPARγ in Ulcerative Colitis and Traditional Chinese Medicine Intervention: A Review
Effect of Compatibility of Wujiwan on Pharmacokinetics and Tissue Distribution of Representative Components
Effect and Mechanism of Total Saponins from Panax Japonicus on White Adipose Tissue Browning/Brown Adipose Tissue Activation in High-fat Diet-induced Mice
Difference Analysis of Pharmacokinetic Behavior of Active Ingredients in Wujiwan Between Normal Rats and Rats with Irritable Bowel Syndrome
Related Author
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Related Institution
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