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https://www.readbyqxmd.com/read/28733574/metabolomic-characteristics-of-cholesterol-induced-non-obese-nonalcoholic-fatty-liver-disease-in-mice
#1
Lan N Tu, Megan R Showalter, Tomas Cajka, Sili Fan, Viju V Pillai, Oliver Fiehn, Vimal Selvaraj
Nonalcoholic fatty liver disease (NAFLD) in non-obese patients remains a clinical condition with unclear etiology and pathogenesis. Using a metabolomics approach in a mouse model that recapitulates almost all the characteristic features of non-obese NAFLD, we aimed to advance mechanistic understanding of this disorder. Mice fed high fat, high cholesterol, cholate (HFHCC) diet for three weeks consistently developed hepatic pathology similar to NAFLD and nonalcoholic steatohepatitis (NASH) without changes to body weight or fat pad weights...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28730512/nlrp3-deletion-inhibits-the-non-alcoholic-steatohepatitis-development-and-inflammation-in-kupffer-cells-induced-by-palmitic-acid
#2
Can Cai, Xiwen Zhu, Peizhi Li, Jinzheng Li, Jianping Gong, Wei Shen, Kun He
The cleavage and secretion of pro-inflammatory cytokines IL-1β and IL-18 is regulated by NLRP3 (NACHT, LRR, and PYD domain-containing protein 3) inflammasome activation. Kupffer cells (KCs) are implicated in the pathogenesis of various liver diseases, such as non-alcoholic fatty liver disease (NAFLD), alcoholic liver disease, and liver fibrosis. However, the role of NLRP3 played in the non-alcoholic steatohepatitis (NASH) has yet to be evaluated. In the present study, methionine-choline-deficient (MCD) diet was used to establish the mice NASH model...
July 20, 2017: Inflammation
https://www.readbyqxmd.com/read/28718838/phyllanthus-niruri-standardized-extract-alleviates-the-progression-of-non-alcoholic-fatty-liver-disease-and-decreases-atherosclerotic-risk-in-sprague-dawley-rats
#3
Raghdaa Hamdan Al Zarzour, Mariam Ahmad, Mohd Zaini Asmawi, Gurjeet Kaur, Mohammed Ali Ahmed Saeed, Majed Ahmed Al-Mansoub, Sultan Ayesh Mohammed Saghir, Nasiba Salisu Usman, Dhamraa W Al-Dulaimi, Mun Fei Yam
Non-alcoholic fatty liver disease (NAFLD) is one of the major global health issues, strongly correlated with insulin resistance, obesity and oxidative stress. The current study aimed to evaluate anti-NAFLD effects of three different extracts of Phyllanthus niruri (P. niruri). NAFLD was induced in male Sprague-Dawley rats using a special high-fat diet (HFD). A 50% methanolic extract (50% ME) exhibited the highest inhibitory effect against NAFLD progression. It significantly reduced hepatomegaly (16%) and visceral fat weight (22%), decreased NAFLD score, prevented fibrosis, and reduced serum total cholesterol (TC) (48%), low-density lipoprotein (LDL) (65%), free fatty acids (FFAs) (25%), alanine aminotransferase (ALT) (45%), alkaline phosphatase (ALP) (38%), insulin concentration (67%), homeostatic model assessment of insulin resistance (HOMA-IR) (73%), serum atherogenic ratios TC/high-density lipoprotein (HDL) (29%), LDL/HDL (66%) and (TC-HDL)/HDL (64%), hepatic content of cholesterol (43%), triglyceride (29%) and malondialdehyde (MDA) (40%) compared to a non-treated HFD group...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28718703/nanoliposome-improves-inhibitory-effects-of-naringenin-on-nonalcoholic-fatty-liver-disease-in-mice
#4
Cong Chen, Xu Jie, Yangjie Ou, Yini Cao, Lu Xu, Yunxia Wang, Rong Qi
AIM: To prepare naringenin nanoliposome (NRG-Nanolipo) and investigate its inhibitory effects on nonalcoholic fatty liver disease (NAFLD). MATERIALS & METHODS: NRG-Nanolipo was prepared by thin-film rehydration method. Its characterizations and effects on NAFLD in mice induced by methionine choline deficient diet were investigated. RESULTS: NRG-Nanolipo had high-drug loading percentage and showed a sustained release profile. The nanoliposome formulation significantly increased oral absorption of naringenin (NRG)...
July 18, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28718215/usp18-protects-against-hepatic-steatosis-and-insulin-resistance-via-its-dub-activity
#5
Shimin An, Ling-Ping Zhao, Li-Jun Shen, Siyuan Wang, Kuo Zhang, Yu Qi, Jilin Zheng, Xiao-Jing Zhang, Xue-Yong Zhu, Rong Bao, Ling Yang, Yue-Xin Lu, Zhi-Gang She, Yi-Da Tang
Non-alcoholic fatty liver disease (NAFLD) is characterized by hepatic steatosis, impaired insulin sensitivity and chronic low-grade inflammation. However, the pathogenic mechanism of NAFLD is poorly understood, which hinders the exploration of possible treatments. Here, we first report that ubiquitin-specific protease 18 (USP18), a member of the deubiquitinating (DUB) enzyme family, plays regulatory roles in NAFLD progression. The expression of USP18 was down-regulated in the livers of non-alcoholic steatohepatitis (NASH) patients and high-fat diet (HFD) induced or genetically obese mice...
July 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28714900/a-nutrigenomic-approach-to-non-alcoholic-fatty-liver-disease
#6
REVIEW
Paola Dongiovanni, Luca Valenti
Following the epidemics of obesity due to the consumption of high-calorie diet and sedentary lifestyle, nonalcoholic fatty liver disease (NAFLD) is now the leading cause of liver disease in Western countries. NAFLD is epidemiologically associated with metabolic syndrome and insulin resistance, and in susceptible individuals it may progress to cirrhosis and hepatocellular carcinoma. Genetic factors play a key role in NAFLD predisposition by interacting with nutritional and other environmental factors. To date, there is no drug therapy for the treatment of NAFLD, and the main clinical recommendation is lifestyle modification...
July 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28711683/anti-obesogenic-effects-of-wy14643-ppar-alpha-agonist-hepatic-mitochondrial-enhancement-and-suppressed-lipogenic-pathway-in-diet-induced-obese-mice
#7
Flavia Maria Silva Veiga, Francielle Graus-Nunes, Tamiris Lima Rachid, Aline Barcellos Barreto, Carlos Alberto Mandarim-de-Lacerda, Vanessa Souza-Mello
Non-alcoholic fatty liver disease (NAFLD) presents with growing prevalence worldwide, though its pharmacological treatment remains to be established. This study aimed to evaluate the effects of a PPAR-alpha agonist on liver tissue structure, ultrastructure, and metabolism, focusing on gene and protein expression of de novo lipogenesis and gluconeogenesis pathways, in diet-induced obese mice. Male C57BL/6 mice (three months old) received a control diet (C, 10% of lipids, n = 10) or a high-fat diet (HFD, 50% of lipids, n = 10) for ten weeks...
July 12, 2017: Biochimie
https://www.readbyqxmd.com/read/28711489/time-course-microarrays-reveal-early-activation-of-the-immune-transcriptome-in-a-choline-deficient-mouse-model-of-liver-injury
#8
Koji Mitsumoto, Rina Watanabe, Katsuki Nakao, Hisaki Yonenaka, Takao Hashimoto, Norihisa Kato, Thanutchaporn Kumrungsee, Noriyuki Yanaka
AIMS: Choline-deficient diet is extensively used as a model of nonalcoholic fatty liver disease (NAFLD). In this study, we explored genes in the liver for which the expression changed in response to the choline-deficient (CD) diet. MAIN METHODS: Male CD-1 mice were divided into two groups and fed a CD diet with or without 0.2% choline bitartrate for one or three weeks. Hepatic levels of choline metabolites were analyzed by using liquid chromatography mass spectrometry and hepatic gene expression profiles were examined by DNA microarray analysis...
July 12, 2017: Life Sciences
https://www.readbyqxmd.com/read/28710554/morphofunctional-changes-after-sleeve-gastrectomy-and-very-low-calorie-diet-in-an-animal-model-of-non-alcoholic-fatty-liver-disease
#9
Eider Talavera-Urquijo, Sarai Rodríguez-Navarro, Marc Beisani, Maria Teresa Salcedo-Allende, Aisha Chakkur, Marc Arús-Avilés, Manel Cremades, Salvador Augustin, María Martell, José M Balibrea
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is the most prevalent chronic liver disease and is found in 70% of obese people. The evidence available to date suggests that bariatric surgery could be an effective treatment by reducing weight and also by improving metabolic complications in the long term. This work aimed to compare, in a diet-induced NAFLD animal model, the effect of both sleeve gastrectomy (SG) and very-low calorie diet (VLCD). METHODS: Thirty-five Wistar rats were divided into control rats (n = 7) and obese rats fed a high-fat diet (HFD)...
July 15, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28706189/vertical-sleeve-gastrectomy-reverses-diet-induced-gene-regulatory-changes-impacting-lipid-metabolism
#10
Juan Du, Jingyan Tian, Lili Ding, Candi Trac, Brian Xia, Siming Sun, Dustin E Schones, Wendong Huang
Vertical sleeve gastrectomy (VSG) produces sustainable weight loss, remission of type 2 diabetes (T2D), and improvement of nonalcoholic fatty liver disease (NAFLD). However, the molecular mechanisms underlying the metabolic benefits of VSG have remained elusive. According to our previous results, diet-induced obesity induces epigenetic modifications to chromatin in mouse liver. We demonstrate here that VSG in C57BL/6J wild-type male mice can reverse these chromatin modifications and thereby impact the expression of key metabolic genes...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28699662/effects-of-calycosin-against-high-fat-diet-induced-nonalcoholic-fatty-liver-disease-in-mice
#11
Xingping Duan, Qiang Meng, Changyuan Wang, Zhihao Liu, Huijun Sun, Xiaokui Huo, Pengyuan Sun, Xiaodong Ma, Jinyong Peng, Kexin Liu
BACKGROUND AND AIM: Nonalcoholic fatty liver disease (NAFLD) has become a major health concern worldwide. The present study was designed to investigate the effects of calycosin against high fat diet (HFD)-induced NAFLD in mice. METHODS: C57BL/6J male mice were fed with HFD to induce NAFLD model and treated with or without calycosin for 12 weeks. The levels of ALT, AST, insulin and adiponectin were measured using biochemical methods. H&E staining and Oil Red O staining were used to determine the liver histopathology changes and measure the degree of lipid accumulation respectively...
July 12, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28698350/efficacy-of-nanocurcumin-supplementation-on-insulin-resistance-lipids-inflammatory-factors-and-nesfatin-among-obese-patients-with-non-alcoholic-fatty-liver-disease-nafld-a-trial-protocol
#12
Seyed Ali Jazayeri-Tehrani, Seyed Mahdi Rezayat, Siavash Mansouri, Mostafa Qorbani, Seyed Moayed Alavian, Milad Daneshi-Maskooni, Mohammad-Javad Hosseinzadeh-Attar
OBJECTIVES: Different studies have been conducted on the role of curcumin in health since having multiple properties, including antioxidant and anti-inflammatory effects. Due to the lack of studies regarding curcumin effects on obese patients with non-alcoholic fatty liver disease (NAFLD), our protocol was designed to assess nanocurcumin impacts on blood sugar, lipids, inflammatory indices, insulin resistance and liver function, especially by nesfatin. SETTING: This trial will be conducted in the Oil Company central hospital of Tehran, Iran with a primary level of care...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28695481/a-novel-rat-model-of-nonalcoholic-fatty-liver-disease-constructed-through-crispr-cas-based-hydrodynamic-injection
#13
Qin Yu, Rui-Zhi Tan, Quan Gan, Xia Zhong, You-Qiang Wang, Jing Zhou, Li Wang
CRISPR/Cas technology has been widely used in generating conventional and conditional gene knockout animals through germline mutation. A recent study has demonstrated that CRISPR/Cas system also worked on nongermline mutation in mice liver via hydrodynamic injection of vector plasmid to blood circulation. However, whether this is also applied to rat and what is the optimal concentration of vector plasmid still need to be studied. Here, we attempted to use pX330-Pten plasmid to knock down the expression of Pten in rat liver for generation of nonalcoholic fatty liver disease (NAFLD) rat model...
July 10, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28694658/anti-steatotic-and-anti-fibrotic-effects-of-the-kca3-1-channel-inhibitor-senicapoc-in-non-alcoholic-liver-disease
#14
Latha Paka, David E Smith, Dawoon Jung, Siobhan McCormack, Ping Zhou, Bin Duan, Jing-Song Li, Jiaqi Shi, Yong-Jie Hao, Kai Jiang, Michael Yamin, Itzhak D Goldberg, Prakash Narayan
AIM: To evaluate a calcium activated potassium channel (KCa3.1) inhibitor attenuates liver disease in models of non-alcoholic fatty liver disease (NAFLD). METHODS: We have performed a series of in vitro and in vivo studies using the KCa3.1 channel inhibitor, Senicapoc. Efficacy studies of Senicapoc were conducted in toxin-, thioacetamide (TAA) and high fat diet (HFD)-induced models of liver fibrosis in rats. Efficacy and pharmacodynamic effects of Senicapoc was determined through biomarkers of apoptosis, inflammation, steatosis and fibrosis...
June 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28691019/fish-oil-feeding-modulates-the-expression-of-hepatic-micrornas-in-a-western-style-diet-induced-nonalcoholic-fatty-liver-disease-rat-model
#15
Hualin Wang, Yang Shao, Fahu Yuan, Han Feng, Na Li, Hongyu Zhang, Chaodong Wu, Zhiguo Liu
Nonalcoholic fatty liver disease (NAFLD) is one of the most prevalent chronic liver diseases worldwide. Recent studies have indicated that fish oil supplementation has benefits against NAFLD. Our previous transcriptomic study has validated the effect of fish oil supplementation on altering hepatic gene expression in a NAFLD rat model. In the current study, we examined the effects of fish oil on the expression of hepatic microRNAs. Male Sprague-Dawley rats were fed with a lab chow (CON), high-fat high-cholesterol diet (WD), or WD supplemented with fish oil (FOH), respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28687713/tlr9-is-upregulated-in-human-and-murine-nash-pivotal-role-for-inflammatory-recruitment-and-cell-survival
#16
Auvro R Mridha, Fahrettin Haczeyni, Matthew M Yeh, W Geoffrey Haigh, George N Ioannou, Vanessa Barn, Hussam Ajamieh, Leon Adams, Jeffrey M Hamdorf, Narci C Teoh, Geoffrey C Farrell
Background & Aims: TLR9 deletion protects against steatohepatitis due to choline-amino acid depletion and high-fat diet. We measured TLR9 in human NASH livers, and tested whether TLR9 mediates inflammatory recruitment in three murine models of NAFLD. Methods: We assayed TLR mRNA in liver biopsies from bariatric surgery patients. Wildtype (Wt) , appetite-dysregulated Alms1 mutant (foz/foz),Tlr9(-/-), and Tlr9(-/-).foz/foz C57BL6/J mice and bone marrow (BM) chimeras were fed 0.2% cholesterol, high-fat, high sucrose (atherogenic[Ath]) diet or chow, and NAFLD activity score (NAS)/NASH pathology, macrophage/neutrophil infiltration, cytokines/chemokines and cell death markers measured in livers...
July 7, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28686624/adverse-effects-of-chronic-exposure-to-nonylphenol-on-non-alcoholic-fatty-liver-disease-in-male-rats
#17
Jie Yu, Xuesong Yang, Ya Luo, Xuefeng Yang, Mengxue Yang, Jin Yang, Jie Zhou, Feng Gao, Liting He, Jie Xu
Endocrine-disrupting chemical (EDC) has been thought to play a role in non-alcoholic fatty liver disease (NAFLD). However, the toxic effects of Nonylphenol (NP), an EDC, on non-alcoholic fatty liver disease have never been elaborated. This study aimed to investigate whether exposure to NP could induce NAFDL, a promoting effect of high-sucrose-high-fat diet (HSHFD) on the adverse effects caused by NP was evaluated. Fourth eight male rats were assigned to four groups and each group was treated with a specific testing sample: normal-diet (ND) control group (C-ND); normal diet plus NP (180mg/kg/day) group (NP-ND); high-sucrose-high-fat-diet control group (C-HSHFD); HSHFD plus NP (180mg/kg/day) group (NP-HSHFD)...
2017: PloS One
https://www.readbyqxmd.com/read/28678821/a-casein-hydrolysate-based-formulation-attenuates-obesity-and-associated-non-alcoholic-fatty-liver-disease-and-atherosclerosis-in-ldlr-leiden-mice
#18
Marieke H Schoemaker, Robert Kleemann, Martine C Morrison, Joanne Verheij, Kanita Salic, Eric A F van Tol, Teake Kooistra, Peter Y Wielinga
BACKGROUND: Obesity frequently associates with the development of non-alcoholic fatty liver disease (NAFLD) and atherosclerosis. Chronic inflammation in white adipose tissue (WAT) seems to be an important driver of these manifestations. OBJECTIVE: This study investigated a combination of an extensively hydrolyzed casein (eHC), docosahexaenoic acid (DHA), arachidonic acid (ARA), and Lactobacillus Rhamnosus GG (LGG) (together referred to as nutritional ingredients, NI) on the development of obesity, metabolic risk factors, WAT inflammation, NAFLD and atherosclerosis in high-fat diet-fed LDLr-/-...
2017: PloS One
https://www.readbyqxmd.com/read/28676973/chronic-consumption-of-fructose-in-combination-with-trans-fatty-acids-but-not-with-saturated-fatty-acids-induces-nonalcoholic-steatohepatitis-with-fibrosis-in-rats
#19
Sugeedha Jeyapal, Uday Kumar Putcha, Venkata Surekha Mullapudi, Sudip Ghosh, Anil Sakamuri, Suryam Reddy Kona, Sai Santosh Vadakattu, Chandana Madakasira, Ahamed Ibrahim
PURPOSE: Consumption of Western diet high in fat and fructose has been attributed to the recent epidemic of nonalcoholic fatty liver disease (NAFLD). However, the impact of specific fatty acids on the progression of NAFLD to nonalcoholic steatohepatitis (NASH) is poorly understood. In the present study, we investigated the chronic effects of consumption of fructose in combination with saturated fatty acids (SFA) or trans fatty acids (TFA) on the development of NAFLD. METHODS: Male Sprague-Dawley rats were randomly assigned to six isocaloric starch/high fructose (44% of calories), high fat (39% calories) diet containing either starch-peanut oil, fructose-peanut oil, fructose-palmolein, fructose-clarified butter, fructose-coconut oil or fructose-partially hydrogenated vegetable oil and fed for 24 weeks...
July 4, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28674352/a-customized-online-nutrition-guidance-system-is-effective-for-treating-patients-with-nonalcoholic-fatty-liver-disease-by-supporting-continuity-of-diet-therapy-at-home-a-pilot-study
#20
Tomonori Aoyama, Hidekatsu Takada, Akira Uchiyama, Kazuyoshi Kon, Shunhei Yamashina, Kenichi Ikejima, Hideyuki Ban, Sumio Watanabe
Continuity is required for diet therapy, but it depends on patients. We examined the utility of a new tool, the customized online nutrition guidance system, in patients with nonalcoholic fatty liver disease (NAFLD). Seven patients plotted their body weight (BW) and marked a customized task card on completion for 90 days on a website. The instructors encouraged them by e-mail. BW, serum transaminase levels, and system usage were evaluated. The results showed that BW and serum alanine aminotransferase levels were significantly lower than at baseline...
2017: Internal Medicine
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