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In vitro NAFLD

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https://www.readbyqxmd.com/read/29775890/triterpenic-acids-enriched-fraction-from-cyclocarya-paliurus-attenuates-non-alcoholic-fatty-liver-disease-via-improving-oxidative-stress-and-mitochondrial-dysfunction
#1
Meng-Ge Zhao, Xue-Ping Sheng, Ya-Ping Huang, Yi-Ting Wang, Cui-Hua Jiang, Jian Zhang, Zhi-Qi Yin
The effects of triterpenic acids-enriched fraction from Cyclocarya paliurus (CPT) on nonalcoholic fatty liver disease (NAFLD) were investigated using in vivo and in vitro models. In high fat diet-induced Wister rats, CPT significantly increased superoxide dismutase (SOD) activity and glutathione/oxidized glutathione (GSH/GSSG) ratio, reduced malondialdehyde (MDA) and protein carbonyl (PCO) levels. Moreover, CPT restored mitochondrial membrane potential dysfunction, decreased cytochrome P450 enzyme 2E1 (CYP2E1) activity, improved nuclear factor erythroid 2-related factor 2 (Nrf2) and Nrf2-mediated antioxidant enzyme heme oxygenase1 (HO-1) expression...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29759071/metformin-attenuates-triglyceride-accumulation-in-hepg2-cells-through-decreasing-stearyl-coenzyme-a-desaturase-1-expression
#2
Xiaopeng Zhu, Hongmei Yan, Mingfeng Xia, Xinxia Chang, Xi Xu, Liu Wang, Xiaoyang Sun, Yan Lu, Hua Bian, Xiaoying Li, Xin Gao
BACKGROUND: The prevalence of nonalcoholic fatty liver disease (NAFLD) has increased worldwide. Metformin decreases triglyceride (TG) accumulation in hepatocytes in vivo and in vitro. Stearyl-coenzyme A desaturase 1 (SCD1) knockout mice also show decreased liver TG accumulation; however, whether SCD1 plays a role in the effect of metformin on TG accumulation is unknown. Therefore, the aim of this study was to investigate whether SCD1 mediated the effect of metformin on TG accumulation...
May 14, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29757947/membrane-remodeling-as-a-key-player-of-the-hepatotoxicity-induced-by-co-exposure-to-benzo-a-pyrene-and-ethanol-of-obese-zebrafish-larvae
#3
Muhammad Imran, Odile Sergent, Arnaud Tête, Isabelle Gallais, Martine Chevanne, Dominique Lagadic-Gossmann, Normand Podechard
The rise in prevalence of non-alcoholic fatty liver disease (NAFLD) constitutes an important public health concern worldwide. Including obesity, numerous risk factors of NAFLD such as benzo[a]pyrene (B[a]P) and ethanol have been identified as modifying the physicochemical properties of the plasma membrane in vitro thus causing membrane remodeling-changes in membrane fluidity and lipid-raft characteristics. In this study, the possible involvement of membrane remodeling in the in vivo progression of steatosis to a steatohepatitis-like state upon co-exposure to B[a]P and ethanol was tested in obese zebrafish larvae...
May 14, 2018: Biomolecules
https://www.readbyqxmd.com/read/29743929/neonatal-overfeeding-induced-glucocorticoid-overexposure-accelerates-hepatic-lipogenesis-in-male-rats
#4
Fan Yang, Yanyan Dai, Cuiting Min, Xiaonan Li
Background: Postnatal overfeeding activates tissue glucocorticoid (GC) activity by up-regulating 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1) and increasing sensitivity to high-fat (HF) diet-induced non-alcoholic fatty liver disease (NAFLD). The present study aimed to evaluate the effects of postnatal overfeeding on GC regulation and lipogenesis in the liver and to observe the impact of GC on hepatocyte lipid metabolism. Methods: In vivo , Male Sprague-Dawley rat pup litters were adjusted to litter sizes of three (small litter, SL) or ten (normal litter, NL) on postnatal day 3 and then given standard chow from postnatal week 3 (W3) to W13...
2018: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29743187/the-effects-of-farnesoid-x-receptor-activation-on-arachidonic-acid-metabolism-nf-kb-signaling-and-hepatic-inflammation
#5
Zhibo Gai, Michele Visentin, Ting Gui, Lin Zhao, Wolfgang E Thasler, Stephanie Hausler, Ivan Hartling, Alessio Cremonesi, Christian Hiller, Gerd A Kullak-Ublick
Inflammation has a recognized role in non-alcoholic fatty liver disease (NAFLD) progression. The present work studied the effect of high fat diet (HFD) on arachidonic acid metabolism in the liver and investigated the role of the farnesoid X receptor (FXR, NR1H4) in eicosanoid biosynthetic pathways and NF-kB signaling, major modulators of the inflammatory cascade. Mice were fed a HFD to induce NAFLD, then, treated with the FXR ligand obeticholic acid (OCA). Histology and gene expression analysis were performed on liver tissue...
May 9, 2018: Molecular Pharmacology
https://www.readbyqxmd.com/read/29727630/theacrine-protects-against-nonalcoholic-fatty-liver-disease-by-regulating-acylcarnitine-metabolism
#6
Guo-En Wang, Yi-Fang Li, Yu-Jia Zhai, Lian Gong, Jing-Yu Tian, Mo Hong, Nan Yao, Yan-Ping Wu, Hiroshi Kurihara, Rong-Rong He
OBJECTIVE: Acylcarnitine metabolism disorder contributes significantly to the pathogenesis of nonalcoholic fatty liver disease (NAFLD). There are, however, few ideal medications for NAFLD, which work by targeting acylcarnitine metabolism. The aim of this study was to investigate the protective effects of theacrine, a rare purine alkaloid isolated from Camellia assamica var. kucha, against acylcarnitine metabolism disorder in NAFLD. METHODS: The pharmacological activities of theacrine were studied using high-fat diet (HFD)-fed ApoE-/- and C57BL/6 J mice models...
May 1, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29717162/growth-differentiation-factor-15-ameliorates-nonalcoholic-steatohepatitis-and-related-metabolic-disorders-in-mice
#7
Kook Hwan Kim, Seong Hun Kim, Dai Hoon Han, Young Suk Jo, Yong-Ho Lee, Myung-Shik Lee
Growth differentiation factor 15 (GDF15) is an endocrine hormone belonging to the TGFβ superfamily member. GDF15 administration or GDF15 overexpression has been reported to have anti-obesity and anti-diabetic effects. Although non-alcoholic fatty liver disease (NAFLD)/non-alcoholic steatohepatitis (NASH) is frequently associated with obesity and insulin resistance, the functional role of endogenous GDF15 and therapeutic effect of GDF15 overexpression in NASH and related metabolic deterioration have not been evaluated...
May 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29702089/oxyresveratrol-ameliorates-nonalcoholic-fatty-liver-disease-by-regulating-hepatic-lipogenesis-and-fatty-acid-oxidation-through-liver-kinase-b1-and-amp-activated-protein-kinase
#8
Ju-Hee Lee, Su Youn Baek, Eun Jeong Jang, Sae Kwang Ku, Kyu Min Kim, Sung Hwan Ki, Chang-Eop Kim, Kwang Il Park, Sang Chan Kim, Young Woo Kim
Oxyresveratrol (OXY) is a naturally occurring polyhydroxylated stilbene that is abundant in mulberry wood (Morus alba L.), which has frequently been supplied as a herbal medicine. It has been shown that OXY has regulatory effects on inflammation and oxidative stress, and may have potential in preventing or curing nonalcoholic fatty liver disease (NAFLD). This study examined the effects of OXY on in vitro model of NAFLD in hepatocyte by the liver X receptor α (LXRα)-mediated induction of lipogenic genes and in vivo model in mice along with its molecular mechanism...
April 24, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29701903/impact-of-mir-140-deficiency-on-non-alcoholic-fatty-liver-disease
#9
Benjamin Wolfson, Pang-Kuo Lo, Yuan Yao, Linhao Li, Hongbing Wang, Qun Zhou
SCOPE: Loss of miR-140 has a pro-fibrotic effect in the mammary gland. This study aimed to investigate whether miR-140 loss and obesity act synergistically to promote non-alcoholic fatty liver disease, and to identify the underlying mechanisms. METHODS AND RESULTS: Liver tissues were isolated from lean-fat diet and high-fat diet fed wild-type and miR-140 knockout mice. Using molecular staining and immunohistochemistry techniques we identified increased development of non-alcoholic fatty liver disease (NAFLD) and fibrotic indicators in miR-140 knockout mice...
April 27, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29690903/ccl20-is-up-regulated-in-non-alcoholic-fatty-liver-disease-fibrosis-and-is-produced-by-hepatic-stellate-cells-in-response-to-fatty-acid-loading
#10
Xin Chu, Qunyan Jin, Hui Chen, G Craig Wood, Anthony Petrick, William Strodel, Jon Gabrielsen, Peter Benotti, Tooraj Mirshahi, David J Carey, Christopher D Still, Johanna K DiStefano, Glenn S Gerhard
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is a prevalent complication of extreme obesity. Loading of the liver with fat can progress to inflammation and fibrosis including cirrhosis. The molecular factors involved in the progression from simple steatosis to fibrosis remain poorly understood. METHODS: Gene expression profiling using microarray, PCR array, and RNA sequencing was performed on RNA from liver biopsy tissue from patients with extreme obesity...
April 24, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29666185/hepatocyte-nuclear-receptor-shp-suppresses-inflammation-and-fibrosis-in-a-mouse-model-of-nonalcoholic-steatohepatitis
#11
An Zou, Nancy Magee, Fengyan Deng, Sarah Lehn, Cuncong Zhong, Yuxia Zhang
Nonalcoholic fatty liver disease (NAFLD) is a burgeoning health problem worldwide, ranging from nonalcoholic fatty liver (NAFL, steatosis without hepatocellular injury) to the more aggressive nonalcoholic steatohepatitis (NASH, steatosis with ballooning, inflammation, or fibrosis). Although many studies have greatly contributed to the elucidation of NAFLD pathogenesis, the disease progression from NAFL to NASH still remains incompletely understood. Nuclear receptor small heterodimer partner (Nr0b2, SHP) is a transcriptional regulator critical for the regulation of bile acid, glucose, and lipid metabolism...
April 17, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29663549/ostreolysin-induces-browning-of-adipocytes-and-ameliorates-hepatic-steatosis
#12
Lili Nimri, Katerina Staikin, Irena Peri, Einav Yehuda-Shnaidman, Betty Schwartz
BACKGROUND AND AIM: Non-alcoholic fatty liver disease (NAFLD) is associated with all features of the metabolic syndrome. Deposition of excess triglycerides in liver cells, a hallmark of NAFLD, is associated with loss of insulin sensitivity. Ostreolysin (Oly) is a 15-kDa fungal protein known to interact with cholesterol-enriched raft-like membrane domains. We aim to test whether a recombinant version of Oly (rOly) can induce functional changes in vitro in adipocytes or in vivo in mice fed a high-fat diet (HFD)...
April 16, 2018: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29660503/high-circulatory-leptin-mediated-nox-2-peroxynitrite-mir21-axis-activate-mesangial-cells-and-promotes-renal-inflammatory-pathology-in-nonalcoholic-fatty-liver-disease
#13
Firas Alhasson, Ratanesh Kumar Seth, Sutapa Sarkar, Diana A Kimono, Muayad S Albadrani, Diptadip Dattaroy, Varun Chandrashekaran, Geoffrey I Scott, Samir Raychoudhury, Mitzi Nagarkatti, Prakash Nagarkatti, Anna Mae Diehl, Saurabh Chatterjee
High circulatory insulin and leptin followed by underlying inflammation are often ascribed to the ectopic manifestations in non-alcoholic fatty liver disease (NAFLD) but the exact molecular pathways remain unclear. We have shown previously that CYP2E1-mediated oxidative stress and circulating leptin in NAFLD is associated with renal disease severity. Extending the studies, we hypothesized that high circulatory leptin in NAFLD causes renal mesangial cell activation and tubular inflammation via a NOX2 dependent pathway that upregulates proinflammatory miR21...
April 7, 2018: Redox Biology
https://www.readbyqxmd.com/read/29655677/an-in-vitro-and-in-vivo-study-of-a-4-herb-formula-on-the-management-of-diet-induced-metabolic-syndrome
#14
Elaine Wat, Yanping Wang, Ken Chan, Hon Wai Law, Chi Man Koon, Kit Man Lau, Ping Chung Leung, Choly Yan, Clara Bik San Lau
BACKGROUND: Metabolic syndrome is the cluster of risk factors that leads to increased episodes of cardiovascular disease (CVD). These risk factors include but are not limited to obesity, non-alcoholic fatty liver (NAFLD), dyslipidemia, and type 2 diabetes. Since the pathogenesis of metabolic syndrome has multiple metabolic origins, there is no single treatment for it. Pharmacological approaches consist of separate drugs which target at individual risk factors which pose various side effects...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29649907/farnesoid-x-receptor-modulators-2014-present-a-patent-review
#15
Valentina Sepe, Eleonora Distrutti, Stefano Fiorucci, Angela Zampella
The nuclear receptor FXR regulates the expression of genes involved in bile acids, glucose and lipid homeostasis. For its role as guardian of metabolism, FXR has been identified a promising pharmacological target in liver bile acid and lipid accumulation, such as cholestasis and non-alcoholic fatty liver disease (NAFLD). The field of FXR research is extremely competitive with a large number of patents and articles published in the last decades identifying promising hit compounds. Areas covered. The present review summarizes recent patent activity (2014-to date) filing for synthetic and natural FXR ligands, including bile acid derivatives and non-steroidal compounds, alongside their in vitro and in vivo efficacy as well as their therapeutic applications...
April 13, 2018: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/29629027/ethanol-extract-of-allium-fistulosum-inhibits-development-of-non-alcoholic-fatty-liver-disease
#16
Jin-Taek Hwang, Eun Ju Shin, Min-Yu Chung, Jae Ho Park, Sangwon Chung, Hyo-Kyoung Choi
BACKGROUND/OBJECTIVES: Non-alcoholic fatty liver disease (NAFLD) is a leading cause of chronic liver disease and is closely associated with metabolic syndrome. In the present study, we observed the effect of ethanol extract of Allium fistulosum (EAF) on NAFLD and have suggested the possibility of using EAF as a natural product for application in the development of a treatment for NAFLD. MATERIALS/METHODS: The preventive effect on hepatic lipid accumulation was estimated by using an oleic acid (OA)-induced NAFLD model in vitro and a Western diet (high-fat high-sucrose; WD)-induced obese mouse model...
April 2018: Nutrition Research and Practice
https://www.readbyqxmd.com/read/29620197/identification-of-key-genes-in-non%C3%A2-alcoholic-fatty-liver-disease-progression-based-on-bioinformatics-analysis
#17
Lin Li, Huabao Liu, Xiaoyu Hu, Yi Huang, Yanan Wang, Yansha He, Qingsong Lei
Due to economic development and lifestyle changes, the incidence of non‑alcoholic fatty liver disease (NAFLD) has gradually increased in recent years. However, the pathogenesis of NAFLD is not yet fully understood. To identify candidate genes that contribute to the development and progression of NAFLD, two microarray datasets were downloaded from the Gene Expression Omnibus database. The differentially expressed genes (DEGs) were identified and functional enrichment analyses were performed. A protein‑protein interaction network was constructed and modules were extracted using the Search Tool for the Retrieval of Interacting Genes and Cytoscape...
April 5, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29575055/microrna-190b-regulates-lipid-metabolism-and-insulin-sensitivity-by-targeting-igf-1-and-adamts9-in-non-alcoholic-fatty-liver-disease
#18
Min Xu, Xi-Ming Zheng, Fang Jiang, Wei-Qiang Qiu
Nonalcoholic fatty liver disease (NAFLD) is characterized by ectopic lipid accumulation and insulin resistance, yet the underlying molecular mechanisms are poorly understood. MiR-190b is thought to play a role in hepatocellular carcinoma by modulating insulin resistance; however, its role in NAFLD remains unknown. Here, we found that miR-190b expression was significantly increased in the liver tissues of patients with NAFLD, compared to normal tissues. Moreover, miR-190b was upregulated in a high-fat diet NAFLD mouse model and a free fatty acid-induced NAFLD cellular model...
March 25, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29574225/dioscin-alleviates-non-alcoholic-fatty-liver-disease-through-adjusting-lipid-metabolism-via-sirt1-ampk-signaling-pathway
#19
Hong Yao, Xufeng Tao, Lina Xu, Yan Qi, Lianhong Yin, Xu Han, Youwei Xu, Lingli Zheng, Jinyong Peng
Dioscin, one natural product, has active effect against non-alcoholic fatty liver disease (NAFLD) in our previous work. However, the pharmacological data are insufficient and the mechanisms have not been reported. Thus, this study aims to comprehensively investigate the effects and molecular mechanisms of dioscin against NAFLD. The primary cultured hepatocytes, AML-12 and HepG-2 cells were treated with palmic acid (PA) after dioscin treatment. The mice and rats were induced by high fat diet to establish the in vivo models of NAFLD...
March 21, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29555473/long-noncoding-rna-lncarsr-promotes-hepatic-lipogenesis-via-akt-srebp-1c-pathway-and-contributes-to-the-pathogenesis-of-nonalcoholic-steatohepatitis
#20
Ming Zhang, Xiaoming Chi, Na Qu, CongYing Wang
Non-alcoholic fatty liver disease and steatohepatitis (NAFLD and NASH) account for the majority of liver disease in industrialized countries. However, the pathogenesis still unclear. Long non-coding RNAs (lncRNAs) has been reported to be involved in various pathophysiological processes. Here, we reported a novel role of lncARSR in hepatic lipogenesis in NAFLD. The expression of lncARSR was induced both in NAFLD patients and mouse model, as well as in hepatocytes treated with fatty acid. Moreover, overexpression of lncARSR enhanced while knockdown of lncARSR ameliorated hepatic lipid accumulation in vivo and in vitro...
March 16, 2018: Biochemical and Biophysical Research Communications
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