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NAFLD diet

Su Jin Lee, Jeong Han Kang, Da Eun Lee, Min Jeong Nam, Hyun-Shik Lee, Oh-Shin Kwon
Chronic alcohol consumption causes hepatic steatosis, which is characterized by a considerable increase in free fatty acid (FFA) and triglyceride levels. To identify the possible proteins involved in the progression to alcoholic hepatosteatosis, we performed proteomic analysis on livers of mice exposed to alcohol. 2D-based proteomic analysis revealed that EtOH exposure in mice changed the expression of 43 proteins compared with that in mice fed a normal diet (ND). The most notable protein changes were proteins involved in Met metabolism and oxidative stress, most of which were significantly downregulated in alcohol-exposed animals...
October 20, 2016: Journal of Cellular Biochemistry
Yong Xie, Yi Zhang, Zebin Guo, Hongliang Zeng, Baodong Zheng
This study aimed to investigate the effects of total alkaloids from Nelumbinis Plumula (NPA) on insulin resistance (IR) of high-fat diet- (HFD-) induced nonalcoholic fatty liver disease (NAFLD). Rats were fed with HFD for 8 weeks to induce NAFLD. Then, the effect of NPA on ameliorating IR in HFD-induced NAFLD was evaluated. Fasting serum insulin was determined using an enzyme-linked immunosorbent assay (ELISA) kit for insulin following the manufacturer's protocol. Some inflammatory cytokines such as tumor necrosis factor alpha (TNF-α) and interleukin-6 (IL-6) were determined using ELISA kits to assess the inflammatory burden in rats...
2016: Journal of Diabetes Research
Michiyo Deushi, Mizuko Osaka, Kaku Nakano, Kyoichi Osada, Kensuke Egashira, Masayuki Yoshida
Oxidized cholesterol (oxysterols) plays an important and multifaceted role in lipid metabolism. Here we examined whether dietary oxysterols accelerate hepatic lipid accumulation and inflammation in nonhuman primates. We also examined the effect of the Niemann-Pick C1-like1 inhibitor, ezetimibe (Ez). Macaca fascicularis (5-year-old males) were fed either regular cholesterol + high-fat diet (control-HFD) or oxysterols + high-fat diet (ox-HFD; with 0.015% of oxysterols cholesterol) for 24 weeks. Compared with control-HFD, ox-HFD did not affect plasma lipid levels, but it did affect hepatic lipid levels [total cholesterol, 40...
October 2016: FEBS Open Bio
Jerrold J Heindel, Bruce Blumberg, Mathew Cave, Ronit Machtinger, Alberto Mantovani, Michelle A Mendez, Angel Nadal, Paola Palanza, Giancarlo Panzica, Robert Sargis, Laura N Vandenberg, Frederick Vom Saal
The recent epidemics of metabolic diseases, obesity, type 2 diabetes(T2D), liver lipid disorders and metabolic syndrome have largely been attributed to genetic background and changes in diet, exercise and aging. However, there is now considerable evidence that other environmental factors may contribute to the rapid increase in the incidence of these metabolic diseases. This review will examine changes to the incidence of obesity, T2D and non-alcoholic fatty liver disease (NAFLD), the contribution of genetics to these disorders and describe the role of the endocrine system in these metabolic disorders...
October 16, 2016: Reproductive Toxicology
Max C Petersen, Anila K Madiraju, Brandon M Gassaway, Michael Marcel, Ali R Nasiri, Gina Butrico, Melissa J Marcucci, Dongyan Zhang, Abudukadier Abulizi, Xian-Man Zhang, William Philbrick, Stevan R Hubbard, Michael J Jurczak, Varman T Samuel, Jesse Rinehart, Gerald I Shulman
Nonalcoholic fatty liver disease (NAFLD) is a risk factor for type 2 diabetes (T2D), but whether NAFLD plays a causal role in the pathogenesis of T2D is uncertain. One proposed mechanism linking NAFLD to hepatic insulin resistance involves diacylglycerol-mediated (DAG-mediated) activation of protein kinase C-ε (PKCε) and the consequent inhibition of insulin receptor (INSR) kinase activity. However, the molecular mechanism underlying PKCε inhibition of INSR kinase activity is unknown. Here, we used mass spectrometry to identify the phosphorylation site Thr1160 as a PKCε substrate in the functionally critical INSR kinase activation loop...
October 17, 2016: Journal of Clinical Investigation
Gang Chen, Dongsheng Yu, Xue Nian, Junyi Liu, Ronald J Koenig, Bin Xu, Liang Sheng
Nonalcoholic fatty liver disease (NAFLD), the most common form of chronic liver disease, manifests as an over-accumulation of hepatic fat. We have recently shown that mice with genetic knockout of a long non-coding RNA (lncRNA) steroid receptor RNA activator (SRA) (SRAKO) are resistant to high fat diet-induced obesity with a phenotype that includes improved glucose tolerance and attenuated hepatic steatosis. The underlying mechanism was investigated in the present study. We found that hepatic levels of SRA and adipose triglyceride lipase (ATGL), a major hepatic triacylglycerol (TAG) hydrolase, were inversely regulated by fasting in mice, and the expression of liver ATGL was induced by SRAKO under normal and high fat diet (HFD) feeding...
October 19, 2016: Scientific Reports
Tsuyoshi Chiba, Keiko Noji, Shohei Shinozaki, Sachina Suzuki, Keizo Umegaki, Kentaro Shimokado
OBJECTIVES: Non-alcoholic fatty liver disease (NAFLD) is associated with impaired liver function, and resveratrol could suppress NAFLD progression. This study examined the effects of NAFLD on the expression of major cytochrome P450 (CYP) subtypes in the liver and whether the expression could be attenuated by resveratrol. METHODS: C57BL/6 mice (male, 10 weeks of age) were fed a high-fat and high-sucrose (HFHS) diet to induce NAFLD. Major Cyp subtype mRNA expression in the liver was measured by real-time RT-PCR...
October 19, 2016: Journal of Pharmacy and Pharmacology
Malleswarapu Mahesh, Munugala Bharathi, Mooli Raja Gopal Reddy, Manchiryala Sravan Kumar, Uday Kumar Putcha, Ayyalasomayajula Vajreswari, Shanmugam M Jeyakumar
Non-alcoholic fatty liver disease (NAFLD) is one of the most prevalent liver diseases associated with an altered lifestyle, besides genetic factors. The control and management of NAFLD mostly depend on lifestyle modifications, due to the lack of a specific therapeutic approach. In this context, we assessed the effect of carrot juice on the development of high fructose-induced hepatic steatosis. For this purpose, male weanling Wistar rats were divided into 4 groups, fed either a control (Con) or high fructose (HFr) diet of AIN93G composition, with or without carrot juice (CJ) for 8 weeks...
September 2016: Preventive Nutrition and Food Science
Enrique Jurado-Ruiz, Lourdes M Varela, Amparo Luque, Genoveva Berná, Gladys Cahuana, Enrique Martinez-Force, Rocío Gallego-Durán, Bernat Soria, Baukje de Roos, Manuel Romero Gómez, Franz Martín
SCOPE: We evaluated the protective effect of extra virgin olive oil (EVOO) in high-fat diets (HFDs) on the inflammatory response and liver damage in a non-alcoholic fatty liver disease (NAFLD) mouse model. METHODS AND RESULTS: C57BL/6J mice fed a standard diet or a lard-based HFD (HFD-L) for 12 weeks to develop NAFLD. HFD fed mice were then divided into four groups and fed for 24 weeks with: HFD-L; HFD-EVOO; HFD-OL (phenolics-rich EVOO) and R (reversion; standard diet)...
October 17, 2016: Molecular Nutrition & Food Research
J E Nelson, P Handa, B Aouizerat, L Wilson, L A Vemulakonda, M M Yeh, K V Kowdley
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is a complex, multifactorial disease affected by diet, lifestyle and genetics. Proinflammatory cytokines like IL-1β and IL-6 have been shown to be elevated in non-alcoholic steatohepatitis (NASH). AIM: To investigate the relationship between IL1B and IL6 gene polymorphisms and histological features of NAFLD in the NASH CRN cohort. METHODS: A total of 604 adult (≥18 years) non-Hispanic Caucasians with biopsy-proven NAFLD were genotyped for the following SNPs: IL1B, rs16944, rs1143634; IL6, rs1800795, rs10499563...
October 11, 2016: Alimentary Pharmacology & Therapeutics
Tsuyoshi Chiba, Sachina Suzuki, Yoko Sato, Tatsuki Itoh, Keizo Umegaki
AIM: Non-alcoholic steatohepatitis (NASH) is a globally recognized liver disease. A methionine- and choline-deficient diet is used to induce NASH in mice; however, this diet also causes severe body weight loss. To resolve this issue, we examined the effects of methionine content in a high-fat and choline-deficient (HFCD) diet on body weight and the development of NASH in mice. METHODS: C57BL/6J mice (male, 10 weeks of age) were fed an L-amino acid rodent (control) diet, high-fat (HF) diet, or HFCD diet containing various amounts of methionine (0...
2016: PloS One
Ilaria Croci, Nuala M Byrne, Veronique S Chachay, Andrew P Hills, Andrew D Clouston, Trisha M O'Moore-Sullivan, Johannes B Prins, Graeme A Macdonald, Ingrid J Hickman
AIM: To investigate the independent effects of 6-mo of dietary energy restriction or exercise training on whole-body and hepatic fat oxidation of patients with non-alcoholic fatty liver disease (NAFLD). METHODS: Participants were randomised into either circuit exercise training (EX; n = 13; 3 h/wk without changes in dietary habits), or dietary energy restriction (ER) without changes in structured physical activity (ER; n = 8). Respiratory quotient (RQ) and whole-body fat oxidation rates (Fatox) were determined by indirect calorimetry under basal, insulin-stimulated and exercise conditions...
September 28, 2016: World Journal of Hepatology
Hamid Lorvand Amiri, Shahram Agah, Javad Tolouei Azar, Sharieh Hosseini, Farzad Shidfar, Seyedeh Neda Mousavi
BACKGROUND & AIMS: Despite evidence for beneficial effects of vitamin D, to our knowledge, no study has compared the effects of calcium supplementation with vitamin D on non-alcoholic fatty liver disease (NAFLD) regression during a hypo-energetic program. We compared the effect of the vitamin D supplementation with and without calcium on anthropometric measures and biochemical parameters in NAFLD patients during a weight-loss program. METHODS: A 12-week, randomized, controlled, double-blind trial was conducted in 120 NAFLD patients randomly assigned to receive 25 μg calcitriol (n = 37), 500 mg calcium carbonate + 25 μg calcitriol (n = 37), or placebo (n = 36) every day with their lunch meals while following a weight-loss program...
September 28, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Maryam Noori, Bahar Jafari, Azita Hekmatdoost
BACKGROUND: The effects of pomegranate juice (PJ) on the risk factors of Nonalcoholic Fatty Liver Disease (NAFLD)/Nonalcoholic Steatohepatitis (NASH) have been shown previously; however, its effects on NAFLD and its prevention has not yet been elucidated. Our objective was to evaluate the effects of PJ consumption on prevention of NAFLD/NASH development. Sprague-Dawley rats were fed either high-fat, high sugar diet (model group), or high-fat, high sugar diet plus PJ (model+PJ), or chow diet ad libitum for seven weeks...
September 22, 2016: Journal of the Science of Food and Agriculture
Andriana C Kaliora, Alexander Kokkinos, Anastacia Diolintzi, Maria Stoupaki, Aristea Gioxari, Panagiotis T Kanellos, George V Z Dedoussis, Jiannis Vlachogiannakos, Constantinos Revenas, Spiros D Ladas, Vaios T Karathanos
Aiming at investigating the potential effect of minimal dietary changes in NAFLD patients with non-significant fibrosis, 55 patients with NAFLD were enrolled in a randomized controlled clinical trial. Patients were assigned into two isocaloric dietary treatment groups for 24 weeks: (a) nutritional counseling (Control arm, N = 27), (b) nutritional counseling with currants included (two fruit servings, 36 g per day), substituting snacks of similar caloric content (Currant arm, N = 28). Clinical tests, anthropometrics, inflammatory and oxidative stress markers were conducted pre- and post-intervention...
October 6, 2016: Food & Function
Caroline Duval, Fatima Teixeira-Clerc, Alix F Leblanc, Sothea Touch, Claude Emond, Michèle Guerre-Millo, Sophie Lotersztajn, Robert Barouki, Martine Aggerbeck, Xavier Coumoul
BACKGROUND: Exposure to persistent organic pollutants (POPs) has been associated with the progression of chronic liver diseases, yet the contribution of POPs to the development of fibrosis in non-alcoholic fatty liver disease (NAFLD), a condition closely linked to obesity, remains poorly documented. OBJECTIVES: We investigated the effects of subchronic exposure to low-doses of the POP 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), an aryl hydrocarbon receptor ligand, on NAFLD progression in diet-induced obese C57BL/6J mice...
October 7, 2016: Environmental Health Perspectives
Stergios A Polyzos, Jannis Kountouras, Christos S Mantzoros
The association of obesity with nonalcoholic fatty liver disease (NAFLD) has been established. Obesity has been linked not only to initial stages of the disease, i.e., simple steatosis (SS), but also to its severity. Form an epidemiologic point of view, both diseases has an increasing prevalence worldwide. From a pathogenetic point of view, obesity and its associate IR contribute to the initial fat accumulation in the hepatocyte (SS), but also to the progression of SS to nonalcoholic steatohepatitis (NASH), NASH-related cirrhosis and hepatocellular carcinoma (HCC)...
October 6, 2016: Minerva Endocrinologica
Nirvair S Kelley
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is a major risk factor for type 2 diabetes, cardiovascular disease, and liver failure. Treatment with n-3 long-chain polyunsaturated fatty acids (n-3 LCPUFAs) produced variable success in improving NAFLD. The purpose of this review is to determine if n-3 LCPUFA will decrease markers of NAFLD, compare the efficacies of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), and identify factors that contribute to discrepancies in results...
October 6, 2016: Metabolic Syndrome and related Disorders
Wenhui Yang, Yan He, Shijie Liu, Lulu Gan, Zhiguo Zhang, Jun Wang, Jie Liang, Yang Dong, Qing Wang, Zongliu Hou, Li Yang
Dysregulation of metabolism in hepatocytes leads to hepatic diseases such as hepatitis and non-alcoholic fatty liver disease (NAFLD). NAFLD represents a spectrum of liver diseases ranging from simple steatosis to nonalcoholic steatohepatitis (NASH). NASH is likely to progress to cirrhosis, liver failure and hepatocellular carcinoma, which lead to poor long-term prognosis. However, the exact mechanism of development of NAFLD is not well elucidated. In order to better understand the pathogenesis of NAFLD, we have performed an integrative analysis to livers from NAFLD rat models in a global view of the transcriptome...
September 30, 2016: Gene
Nesrine Semiane, Fabienne Foufelle, Pascal Ferré, Isabelle Hainault, Souad Ameddah, Aicha Mallek, Ali Khalkhal, Yasmina Dahmani
A high intake of sugars has been linked to diet-induced health problems. The aim of this study was to assess whether the long-term consumption of a high-carbohydrate diet (HCD) would cause the hepatic histopathological and metabolic abnormalities that characterize nonalcoholic steatohepatitis (NASH) in a desert gerbil, Gerbillus gerbillus. Compared to natural diet, HCD leads to several metabolic disorders including adiposity, dyslipidemia, insulin resistance, ectopic fat deposition in the liver, which were associated with higher levels of transcripts of genes involved with fat synthesis, endoplasmic reticulum (ER) stress, and fibrosis...
September 30, 2016: Comptes Rendus Biologies
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