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Condition: Liver Disease

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Total 328 results found since Jan 2013.

Erythropoietin alleviates hepatic Steatosis by activating SIRT1-mediated autophagy
Publication date: Available online 6 March 2018 Source:Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids Author(s): Ting Hong, Zhijuan Ge, Ran Meng, Hongdong Wang, Pengzi Zhang, Sunyinyan Tang, Jing Lu, Tianwei Gu, Dalong Zhu, Yan Bi Erythropoietin (EPO), besides its stimulatory effect on erythropoiesis, is beneficial to insulin resistance and obesity. However, its role in hepatic steatosis remains unexplored. Activating autophagy seems a promising mechanism for improving fatty liver disease. The present study investigated the role of EPO in alleviating hepatic steatosis and sought to determine wh...
Source: Biochimica et Biophysica Acta (BBA) Molecular and Cell Biology of Lipids - March 7, 2018 Category: Lipidology Source Type: research

Erythropoietin alleviates hepatic Steatosis by activating SIRT1-mediated autophagy.
Abstract Erythropoietin (EPO), besides its stimulatory effect on erythropoiesis, is beneficial to insulin resistance and obesity. However, its role in hepatic steatosis remains unexplored. Activating autophagy seems a promising mechanism for improving fatty liver disease. The present study investigated the role of EPO in alleviating hepatic steatosis and sought to determine whether its function is mediated by the activation of autophagy. Here, we show that EPO decreased hepatic lipid content significantly in vivo and in vitro. Furthermore, EPO/EPO receptor (EPOR) signalling induced autophagy activation in hepatocy...
Source: Biochimica et Biophysica Acta - March 6, 2018 Category: Biochemistry Authors: Hong T, Ge Z, Meng R, Wang H, Zhang P, Tang S, Lu J, Gu T, Zhu D, Bi Y Tags: Biochim Biophys Acta Source Type: research

Caffeic acid inhibits HCV replication via induction of IFN α antiviral response through p62-mediated Keap1/Nrf2 signaling pathway
In this study, we showed that CA could notably inhibit HCV replication. Mechanism study demonstrated that CA could induce HO-1 expression, which would trigger the IFNα antiviral response, and the antiviral effect of CA was attenuated when HO-1 activity was inhibited by SnPP (an HO-1 inhibitor). CA could also increase erythroid 2-related factor 2 (Nrf2) expression. When Nrf2 was knocked down by specific siRNA, HO-1 expression was concomitantly decreased while HCV expression was restored. Further study indicated that kelch-like ECH-associated protein 1 (Keap1) expression was decreased by CA in a p62/Sequestosome1 (p62)-depe...
Source: Antiviral Therapy - April 14, 2018 Category: Virology Source Type: research

Caffeic acid inhibits HCV replication via induction of IFN α antiviral response through p62-mediated Keap1/Nrf2 signaling pathway.
In this study, we showed that CA could notably inhibit HCV replication. Mechanism study demonstrated that CA could induce HO-1 expression, which would trigger the IFNα antiviral response, and the antiviral effect of CA was attenuated when HO-1 activity was inhibited by SnPP (an HO-1 inhibitor). CA could also increase erythroid 2-related factor 2 (Nrf2) expression. When Nrf2 was knocked down by specific siRNA, HO-1 expression was concomitantly decreased while HCV expression was restored. Further study indicated that kelch-like ECH-associated protein 1 (Keap1) expression was decreased by CA in a p62/Sequestosome1 (p62)-depe...
Source: Antiviral Research - April 12, 2018 Category: Virology Authors: Shen J, Wang G, Zuo J Tags: Antiviral Res Source Type: research

Increasing Upstream Chromatin Long –Range Interactions May Favor Induction of Circular RNAs in LysoPC-Activated Human Aortic Endothelial Cells
We examined the sponging potential of all significantly changed circRNAs using the CircInteractome database (Montefiori et al., 2018), recording two miRNAs with four or more predicted binding sites in a single circRNA transcript, a threshold above which meaningful sponging activity is likely to occur Memczak et al. (2013). Another four significantly changed circRNAs are experimentally shown to sponge miRNAs (Dudekula et al., 2016; Chen et al., 2017; Yan et al., 2017; Wang et al., 2018), for six total circRNAs with miRNA sponging activity including miR125, miR143, miR1272, miR153, miR515-5p, and miR196a-5p (Table 4). In Fig...
Source: Frontiers in Physiology - April 17, 2019 Category: Physiology Source Type: research

Farnesoid X receptor (FXR) activation induces the antioxidant protein metallothionein 1 expression in mouse liver.
Abstract Farnesoid X receptor (FXR) is a metabolic nuclear receptor, which protects liver from many endogenous and exogenous injuries. Metallothioneins (MTs) belong to a low-molecular-weight protein family involved in metal homeostasis and the regulation of hepatic oxidative stress. In the present study, we aimed to investigate the effect of FXR on hepatic MT1 expression and the underlying mechanism. C57BL/6 mice or primary cultured mouse hepatocytes were treated with the synthetic FXR ligand GW4064 or natural ligand CDCA. RNA-Sequencing (RNA-seq) analysis was performed to identify gene expression profile in the l...
Source: Experimental Cell Research - March 3, 2020 Category: Cytology Authors: Wang B, Zhang H, Luan Z, Xu H, Wei Y, Zhao X, Xing M, Huo X, Zhang J, Su W, Guan Y, Zhang X Tags: Exp Cell Res Source Type: research

Changes of flavin-containing monooxygenases and trimethylamine-N-oxide may be involved in the promotion of non-alcoholic fatty liver disease by intestinal microbiota metabolite trimethylamine
Conclusion, high fat and TMA could induce the expression of FMO1 and its metabolite TMAO. When FMO1 is silenced, the effects of high fat and TMA on TMAO are blocked. And the role of TMAO in NAFLD may be through the activation of UPR.PMID:35065293 | DOI:10.1016/j.bbrc.2022.01.060
Source: Biochemical and Biophysical Research communications - January 22, 2022 Category: Biochemistry Authors: Chunxia Shi Maohua Pei Yao Wang Qian Chen Pan Cao Luyi Zhang Jin Guo Wei Deng Luwen Wang Xun Li Zuojiong Gong Source Type: research

Valdecoxib attenuates lipid-induced hepatic steatosis through autophagy-mediated suppression of endoplasmic reticulum stress
This study investigated the effects of VAL on lipid accumulation and lipogenesis in human primary hepatocytes. Treatment with VAL suppressed lipid accumulation and expressions of lipogenic genes, such as processed sterol regulatory element binding proteins (SREBP1) and stearoyl-CoA desaturase-1 (SCD1) in palmitate-treated hepatocytes. Furthermore, VAL ameliorated dose-dependently palmitate-induced ER stress markers. Treatment of hepatocytes with VAL increased AMPK phosphorylation and SIRT6 expression. siRNA-mediated suppression of AMPK or SIRT6 abolished the effects of VAL on lipid accumulation, lipogenesis, and endoplasmi...
Source: Biochemical Pharmacology - March 31, 2022 Category: Drugs & Pharmacology Authors: Seung Yeon Park Wonjun Cho A M Abd El-Aty Ahmet Hacimuftuoglu Ji Hoon Jeong Tae Woo Jung Source Type: research

Caveolin-1 ameliorates acetaminophen-aggravated inflammatory damage and lipid deposition in non-alcoholic fatty liver disease via the ROS/TXNIP/NLRP3 pathway
Int Immunopharmacol. 2023 Jan;114:109558. doi: 10.1016/j.intimp.2022.109558. Epub 2022 Dec 21.ABSTRACTThe overuse of acetaminophen (APAP) may cause more severe hepatotoxicity in patients with non-alcoholic fatty liver disease (NAFLD). Caveolin-1 (CAV1), is an essential regulator of metabolic function, which can alleviate liver damage by scavenging reactive oxygen species (ROS). Evidence suggests that the NOD-like receptor family pyrin domain-containing 3 (NLRP3) -mediated pyroptosis is involved in the development of NAFLD. Moreover, thioredoxin-interactive protein (TXNIP) activation is a key event linking ROS to NLRP3 infl...
Source: International Immunopharmacology - January 26, 2023 Category: Allergy & Immunology Authors: Xiangfu Jiang Yu Li Dongdong Fu Tingyu You Shuai Wu Jiao Xin Jiagen Wen Yan Huang Chengmu Hu Source Type: research

GSE225616 Hepatocyte mARC1 Promotes Fatty Liver Disease
Conclusions: Collectively, our findings from human genetics, and in vitro and in vivo hepatocyte-specific mARC1 knockdown support the potential efficacy of hepatocyte-specific targeting of mARC1 for treatment of NAFLD.
Source: GEO: Gene Expression Omnibus - February 20, 2023 Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Mus musculus Source Type: research