Background:The complex etiology of Ischemia-Reperfusion Injury (IRI) induced by liver transplantation (LT) and the “one-target-focused” method limit the development of effective therapeutic interventions. We aimed to reveal the specific active ingredients and mechanisms involved in the Chinese herb Scutellaria baicalensis Georgi (SBG) in alleviating IRI in LT.Methods:The active ingredients and potential macromolecular targets of SBG were screened through related databases. The differentially expressed genes of LT were obtained from GSE151648. The protein-protein interaction network was constructed by the STRING database, and Cytoscape 3.7.1 was used to construct a compound-target-disease network. GO and KEGG enrichment analyses were performed on the DAVID database. Finally, the main active components of SBG and the corresponding mechanisms were verified in a donation after circulatory death (DCD) rat LT model.Results:Thirty-two active ingredients of SBG and their targets were identified, and a total of 38 intersection targets were obtained. GO function and KEGG pathway enrichment analyses demonstrated that the plasma membrane and its components play an important role. Molecular docking showed baicalein, the core component of SBG, had a strong binding ability to all hub targets. Next, in DCD rats, baicalein was proven to improve liver function, alleviate pathological injury and apoptosis, and increase the survival rate. Baicalein also significantly affected the expression of 7 hub genes. Furthermore, baicalein could inhibit ferroptosis by inhibiting phospholipid peroxidation.Conclusion:Baicalein, the main component of SBG, could alleviate IRI, affect the expression of hub genes, and inhibit ferroptosis in LT.

20 May 2021·Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology

[Protective effect of baicalein on high fat-induced hepatocytes oxidative damage].

Article

Author: Zhang, L Y ; Yao, C J ; Jiang, P ; Zhu, X H

Objective: To investigate the effect of baicalein in improving non-alcoholic fatty liver disease caused by high fat-induced oxidative damage in mice. Methods: Male C57BL/6J mice weighing 18-20 g were randomly divided into 4 groups: normal control group (C, 10% fat for energy), high-fat group (H, 60% fat for energy), high-fat + scutellaria baicalein group (H+B, baicalein: 400 mg·kg(-1)·bw(-1)), and baicalein control group (B, baicalein: 400 mg·kg(-1)·bw(-1)). After 12 weeks, mice were sacrificed, and the tissue samples were collected. Liver pathological changes were observed by hematoxylin and eosin staining. Mitochondrial morphology was examined by ultramicropathology. Malondialdehyde (MDA), superoxide dismutase (SOD), glutathione (GSH) and mitochondrial membrane potential (MMP) changing levels in the liver were determined by kit. Sestrin2 and protein carbonylation (PCOS) levels were detected by Western blotting. Small interfering RNA (siRNA) was used to knock-down the Sestrin2 protein expression in HepG2 cells. Intramyocellular lipid changes in HepG2 cells was detected by fluorescent dye BODIPY493/503. One way ANOVA was used LSD pairwise comparison method was used to test the statistical difference. Results: Compared with the normal control group, high-fat fed caused significant fatty degeneration, decreased GSH and SOD levels (P < 0.05), increased MDA and protein carbonylation levels, and increased Sestrin2 expression (P < 0.05) in mice. Mitochondrial shape changes, swelling, lack of cristae, and MMP was down-regulated by 33.3% (t = 13.456, P < 0.001). Baicalein intervention had effectively inhibited hepatic steatosis and oxidative damage caused by high-fat fed, and further up-regulated Sestrin2 expression, MMP (t = 10.104, P < 0.001), and significantly alleviated liver damage in mice. Sestrin2 expression knock-down had further increased the intracellular lipid deposition and PCOs expression (P < 0.05), and reduced baicalein ability to antagonize lipid deposition and antioxidant capacity in Hep2 cells. Conclusion: Baicalein alleviate non-alcoholic fatty liver by regulating Sestrin2 expression and high-fat fed-induced liver oxidative damage.

01 Jun 2018·Journal of Natural MedicinesQ4 · MEDICINE

Scutellaria baicalensis regulates FFA metabolism to ameliorate NAFLD through the AMPK-mediated SREBP signaling pathway

Q4 · MEDICINE

Article

Author: Wang, Tao ; Wang, Sijian ; Qiu, Feng ; Zhang, Yi ; Liu, Mengyang ; Chen, Qian ; Yu, Haiyang ; Li, Jian

Scutellaria baicalensis has been reported to improve the lipid metabolism of high-fat diet-induced liver dysfunction, but direct evidence is rare. This study aimed to explore the effects and mechanisms of S. baicalensis and its major constituent baicalin on hepatic lipotoxicity. KK-A^y mice and orotic acid (OA)-induced nonalcoholic fatty liver disease (NAFLD) rats were used to evaluate lipid metabolism regulatory effects. Sodium oleate-induced triglyceride-accumulated HepG2 cells were used for the mechanism study, pretreated with or without compound C or STO-609 or transfected with liver kinase B1 (LKB1) siRNA. In KK-A^y mice, S. baicalensis extract showed a decreased effect on serum and hepatic triglycerides, total cholesterols, and free fatty acid (FFA) levels after 8 weeks of treatment. In OA-induced NAFLD rats, 18 days of treatment with baicalin significantly inhibited hepatic lipid accumulation, attenuating hepatocyte hypertrophy, vacuolization and necrosis. S. baicalensis and baicalin treatment significantly suppressed the sterol regulatory element binding protein-1c (SREBP-1c) transcriptional program with downregulation of gene and protein expression of SREBP-1c (both precursor and mature fraction) and acetyl-CoA carboxylase, fatty acid synthase and stearoyl-CoA desaturase, and upregulation of AMP-activated protein kinase (AMPK), carnitine palmitoyl transferase 1 and nuclear respiratory factor 2 in the liver. Furthermore, activation of AMPK by baicalin was observed to be relative to the increase in phosphorylation of calmodulin-dependent protein kinase kinase. Taken together, S. baicalensis conferred preventive effects against FFA-induced lipotoxicity through the AMPK-mediated SREBP signaling pathway.

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Indication	Highest Phase	Country/Location	Organization	Date
Ovarian Cancer	Preclinical	US	Uniformed Services University of the Health Sciences	01 Jan 2017

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