Semen Brassicae ameliorates hepatic fibrosis by regulating transforming growth factor-β1/Smad, nuclear factor-κB, and AKT signaling pathways in rats.
Abstract | PURPOSE: METHODS: Rats were injected intraperitoneally with 4% thioacetamide aqueous solution (5 mL·kg-1) at a dose of 200 mg·kg-1 twice a week for 8 consecutive weeks to establish the liver fibrosis model and were then treated with different concentrations of Semen Brassicae extract. After Semen Brassicae treatment, the morphology of the liver tissue was analyzed using hematoxylin and eosin and Masson's trichrome staining, and liver index and liver fibrosis grade were calculated. Thereafter, the levels of collagen-I, collagen-III, α-SMA, transforming growth factor (TGF)-β1, p-Smad 2/3, Smad 2/3, Smad4, NF-κB-p65, p-NF-κB-p65, IL-1β, IL-6, AKT, and p-AKT were determined using Western blotting. RESULTS: Compared with the untreated model group, the Semen Brassicae-treated group showed significantly decreased liver function indices; expression levels of collagen-I, collagen-III, and α-SMA; and hepatic fibrosis. Further studies also showed that the expression of TGF-β1, Smad4, p-Smad 2/3/Smad 2/3, p-NF-κB-p65/NF-κB-p65, IL-1β, IL-6, and p-AKT/AKT significantly decreased after the treatment. CONCLUSION: These results indicate that Semen Brassicae exhibits an anti-hepatic fibrosis effect, and the underlying mechanism of action may be related to the regulation of TGF-β1/Smad, NF-κB, and AKT signaling pathways and the reduction of extracellular matrix deposition.
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Authors | Si Cao, Baoping Zheng, Tao Chen, Xinfeng Chang, Bao Yin, Zhihua Huang, Ping Shuai, Limin Han |
Journal | Drug design, development and therapy
(Drug Des Devel Ther)
Vol. 12
Pg. 1205-1213
( 2018)
ISSN: 1177-8881 [Electronic] New Zealand |
PMID | 29785090
(Publication Type: Journal Article)
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Chemical References |
- Drugs, Chinese Herbal
- NF-kappa B
- Smad Proteins
- Transforming Growth Factor beta1
- Proto-Oncogene Proteins c-akt
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Topics |
- Animals
- Brassica
(chemistry)
- Disease Models, Animal
- Drugs, Chinese Herbal
(administration & dosage, pharmacology)
- Liver Cirrhosis
(drug therapy, metabolism, pathology)
- Male
- Medicine, Chinese Traditional
- NF-kappa B
(metabolism)
- Proto-Oncogene Proteins c-akt
(metabolism)
- Rats
- Rats, Sprague-Dawley
- Signal Transduction
(drug effects)
- Smad Proteins
(metabolism)
- Transforming Growth Factor beta1
(metabolism)
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