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Abstract Title:

[Effects of blueberry on hepatic fibrosis and expression of nuclear transcription factor-кB in rats].

Abstract Source:

Zhonghua Gan Zang Bing Za Zhi. 2018 Aug 20 ;26(8):590-595. PMID: 30317790

Abstract Author(s):

B F Zhang, M L Cheng, Y P Wang, Q Zhang, L Yu, X K Zhao, M Mu, Y Liu

Article Affiliation:

B F Zhang

Abstract:

To observe the effects of blueberry and nuclear expression of transcription factor-кb (NF-кb) p65 in an experimental rat model of liver fibrosis.Forty-five Sprague-Dawley rats were randomly divided into isotonic saline control group (A); model group (B); blueberry juice prevention group (C, 15 g/kg); dan-shao-hua-xian capsule prevention group (D, 1 g/kg); and blueberry juice + dan-shao-hua-xian capsule prevention group (E). Rat liver fibrosis model was established by covalent compound carbon tetrachloride (CCl(4)). Each prevention group was given the corresponding dose of blueberry juice or (and) dan-shao-hua-xian capsule, and the rats were sacrificed after 8 weeks. The degree of liver fibrosis was evaluated by hematoxylin and eosin stain. A liver tissue of NF-κBp65 was detected by immunohistochemical method. The NF-κBp65 protein expression of liver tissue and transforming growth factor (TGF) β1 was detected by Western blot. Data of multiple groups were compared by one-way analysis of variance, and rank sum test.Immunohistochemistry detected that TGFβ1 protein was mainly expressed in mesenchymal origin of hepatic stellate cells. The expression level of group A (3.75 ± 1.67) was low, while those of group B (9.00 ± 2.07), C (7.33 ± 1.00), D (6.00 ± 1.51), and E (3.5 ± 1.41) were high. However, the expression level of TGF-β1 protein in hepatic tissues of group B was significantly higher than that of group C, D and E [group E: 3.5 ± 1.41,= 18.350,<0.05]. In addition, group D was higher than group E (<0.05). The expression of NF- kappa Bp65 protein was very complex, and the expression patterns in different groups were different (Statistical calculation of experimental data were based on expression of liver cells). Compared with group B (4.37± 2.13), the relative expression levels of NF-κBp65 protein in-group A (0.46 ± 0.25), group C (2.76 ± 1.01), group D (2.13 ± 1.51), group E (1.88 ± 0.99) were significantly decreased (= 27.490,<0.05), and the expression trend was consistent with TGFβ1 protein. Western blot detected NF-κBp65 protein in liver tissues of rats. Compared with group A, levels in groups B, C, D and E were significantly increased (= 96.983,<0.05), and groups C, D and E were significantly lower. The E group was significantly lower than the C group (= 96.983,<0.05), and the degree of hepatic fibrosis was lower in each prevention group than in the B group (= 24.1,<0.05).Blueberries have preventive effect on CCl4-induced hepatic fibrosis in rats, and its preventive mechanism may inhibit the expression and activation of NF-κBp65 in hepatocytes, thereby reducing TGFβ1- mediated production or activation.

Study Type : Animal Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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