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Nonalcoholic fatty liver

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https://www.readbyqxmd.com/read/28646856/the-imbalance-of-th17-treg-cells-is-involved-in-the-progression-of-nonalcoholic-fatty-liver-disease-in-mice
#1
Beihui He, Liyan Wu, Wei Xie, Yitong Shao, Jianping Jiang, Zhenzhong Zhao, Maoxiang Yan, Zhiyun Chen, Dawei Cui
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is a common, chronic liver disease worldwide. Recent studies have shown that T helper (Th) 17 and regulatory T (Treg) cells play critical roles in various disorders of liver inflammation. Here, we explored the value of polyene phosphatidylcholine capsules (PPC) for regulating the imbalance of Th17/Treg cells in the pathogenesis of mice with NAFLD. METHODS: C57BL/6 mice were randomly divided into three groups as follows:normal diet (ND), high-fat diet (HF),and HF plus PPC(HF + PPC)...
June 24, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28646531/morin-a-novel-lxr%C3%AE-%C3%AE-dual-antagonist-has-potent-therapeutic-efficacy-for-nonalcoholic-fatty-liver-diseases
#2
Ming Gu, Yu Zhang, Chuhe Liu, Dongshan Wang, Li Feng, Shengjie Fan, Baican Yang, Qingchun Tong, Guang Ji, Cheng Huang
BACKGROUND AND PURPOSE: Morin is a natural occurring flavonoid in many dietary plants and has a wide range of beneficial effects on metabolism; however, the mechanism underlying its action remains elusive. EXPERIMENTAL APPROACH: Reporter assay and the Time-Resolved Fluorescence Resonance Energy Transfer assay were used to identify morin as a dual antagonist of LXRα and LXRβ. High fat-diet mixed with morin (100 mg/100 g diet) was administrated to high-fat diet-induced obese or LXRβ(-/-) mice combining with Western blot and RT-PCR analysis to evaluate the pharmacological effect and mechanism of morin treatment...
June 23, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28645116/the-additive-effects-of-the-tm6sf2-e167k-and-pnpla3-i148m-polymorphisms-on-lipid-metabolism
#3
Lizhen Chen, Shuixian Du, Linlin Lu, Zhonghua Lin, Wenwen Jin, Doudou Hu, Xiangjun Jiang, Yongning Xin, Shiying Xuan
There is a genetic susceptibility for nonalcoholic fatty liver disease (NAFLD). To examine the role of genetic factors in the disease, a Bayesian analysis was performed to model gene relationships in NAFLD pathogenesis. The Bayesian analysis indicated a potential gene interaction between the TM6SF2 and PNPLA3 genes. Next, to explore the underlying mechanism at the cellular level, we evaluated the additive effects between the TM6SF2 E167K and PNPLA3 I148M polymorphisms on lipid metabolism. Hepa 1-6 cells were transfected with a control vector or with overexpression vectors for TM6SF2/PNPLA3-wild type, TM6SF2-mutant type, PNPLA3-mutant type, or TM6SF2/PNPLA3-mutant type...
June 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644356/low-hepatic-tissue-copper-in-pediatric-nonalcoholic-fatty-liver-disease
#4
Michael Mendoza, Shelley Caltharp, Ming Song, Lindsay Collin, Juna V Konomi, Craig J McClain, Miriam B Vos
OBJECTIVE: Animal models and studies in adults have demonstrated that copper restriction increases severity of liver injury in nonalcoholic fatty liver disease (NAFLD). This has not been studied in children. We aimed to determine if lower tissue copper is associated with increased NAFLD severity in children. METHODS: This was a retrospective study of pediatric patients who had a liver biopsy including a hepatic copper quantitation. The primary outcome compared hepatic copper concentration in NAFLD versus non-NAFLD...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28641784/ultrasonographic-fatty-liver-indicator-detects-mild-steatosis-and-correlates-with-metabolic-histological-parameters-in-various-liver-diseases
#5
Stefano Ballestri, Fabio Nascimbeni, Enrica Baldelli, Alessandra Marrazzo, Dante Romagnoli, Giovanni Targher, Amedeo Lonardo
BACKGROUND AND AIMS: Fatty liver is a common feature of different types of liver diseases. The sensitivity and specificity of ultrasonography for diagnosing fatty liver are variable. A semi-quantitative ultrasound score, i.e., the ultrasonographic fatty liver indicator (US-FLI), is closely associated with metabolic/histological variables in patients with nonalcoholic fatty liver disease (NAFLD). The main aims of this study were to assess the diagnostic performance of US-FLI in detecting varying degrees of histological steatosis, and to examine the association of US-FLI with metabolic/histological parameters in 352 biopsied patients with various chronic liver diseases (173 with hepatitis C [HCV], 23 with hepatitis B [HBV], 123 with NAFLD and 33 with other etiologies)...
July 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28641031/treatment-options-for-nonalcoholic-steatohepatitis-a-safety-evaluation
#6
Danny Issa, Julia Wattacheril, Arun J Sanyal
Introduction There is an urgent as yet unmet need to develop highly effective and safe therapeutics for nonalcoholic fatty liver disease (NAFLD). The remarkable progress in understanding NAFLD pathogenesis allowed the identification of injury pathways which may be recruited as therapy targets. Areas covered This article reviews the safety and tolerability data of the NAFLD therapies and explains the mechanistic basis for each of the established and investigational drugs. Treatment targets include: weight loss, anti-metabolic agents such as lipid lowering and anti-diabetic drugs, inflammation, fibrosis and others such as targeting gut microbiota, immune modulation and apoptosis...
June 22, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28639970/hyperuricemia-is-associated-with-nonalcoholic-fatty-liver-disease-activity-score-in-patients-with-nonalcoholic-fatty-liver-disease-a-systematic-review-and-meta-analysis
#7
Veeravich Jaruvongvanich, Wasin Ahuja, Kamonkiat Wirunsawanya, Karn Wijarnpreecha, Patompong Ungprasert
BACKGROUND: Hyperuricemia is a significant risk factor for nonalcoholic fatty liver disease (NAFLD). It may also have an impact on the histologic severity of NAFLD. However, data on this association are limited. We conducted this meta-analysis to investigate the relationship of serum uric acid with liver histologic severity as determined by NAFLD activity score (NAS) in patients with NAFLD. PATIENTS AND METHODS: MEDLINE and EMBASE databases were searched through August 2016 for studies that investigated the association between hyperuricemia and NAS among patients with biopsy-proven NAFLD...
June 21, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28639757/-ketogenic-diets-the-miraculous-solution
#8
Christophe Kosinski, François R Jornayvaz
The treatment of obesity and cardiovascular diseases is one of the most difficult and important challenges nowadays. Weight loss is frequently offered and aimed at improving some of the components of the metabolic syndrome. Among various diets, carbohydrate restriction is popular, specifically ketogenic diets, which are very low in carbohydrates and usually high in fats and /or proteins. Results are controversial, but some benefits such as weight loss and improved glycemic control have been described. Nevertheless, these effects seem to be limited in time...
May 31, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28632732/fructo-oligosaccharides-and-intestinal-barrier-function-in-a-methionine-choline-deficient-mouse-model-of-nonalcoholic-steatohepatitis
#9
Kotaro Matsumoto, Mayuko Ichimura, Koichi Tsuneyama, Yuki Moritoki, Hiromichi Tsunashima, Katsuhisa Omagari, Masumi Hara, Ichiro Yasuda, Hiroshi Miyakawa, Kentaro Kikuchi
Impairments in intestinal barrier function, epithelial mucins, and tight junction proteins have been reported to be associated with nonalcoholic steatohepatitis. Prebiotic fructo-oligosaccharides restore balance in the gastrointestinal microbiome. This study was conducted to determine the effects of dietary fructo-oligosaccharides on intestinal barrier function and steatohepatitis in methionine-choline-deficient mice. Three groups of 12-week-old male C57BL/6J mice were studied for 3 weeks; specifically, mice were fed a methionine-choline-deficient diet, a methionine-choline-deficient diet plus 5% fructo-oligosaccharides in water, or a normal control diet...
2017: PloS One
https://www.readbyqxmd.com/read/28630632/erchen-decoction-and-linguizhugan-decoction-ameliorate-hepatic-insulin-resistance-by-inhibiting-irs-1ser307-phosphorylation-in-vivo-and-in-vitro
#10
Huicun Zhang, Na Ta, Pengmin Chen, Hongbing Wang
Erchen decoction (ECD) and Linguizhugan decoction (LGZGD), both are Chinese herbal formula, have been used clinically for the treatment of nonalcoholic fatty liver disease (NAFLD). However, their therapeutic mechanisms are still unclear. Because insulin resistance (IR) is a key etiological factor in the pathology of high-fat diet- (HFD-) induced NAFLD, in this study, the protective effects of ECD and LGZGD on HFD-induced insulin resistance in rats were evaluated and their mechanisms were investigated by OGTT and Western blot...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28628909/nonalcoholic-fatty-liver-disease-impairs-the-cytochrome-p-450-dependent-metabolism-of-%C3%AE-tocopherol-vitamin-e
#11
Desirée Bartolini, Pierangelo Torquato, Carolina Barola, Angelo Russo, Chiara Rychlicki, Danilo Giusepponi, Guido Bellezza, Angelo Sidoni, Roberta Galarini, Gianluca Svegliati-Baroni, Francesco Galli
This study aims to investigate in in vivo and in vitro models of nonalcoholic fatty liver disease (NAFLD) the enzymatic metabolism of α-tocopherol (vitamin E) and its relationship to vitamin E-responsive genes with key role in the lipid metabolism and detoxification of the liver. The experimental models included mice fed a high-fat diet combined or not with fructose (HFD+F) and HepG2 human hepatocarcinoma cells treated with the lipogenic agents palmitate, oleate or fructose. CYP4F2 protein, a cytochrome P-450 isoform with proposed α-tocopherol ω-hydroxylase activity, decreased in HFD and even more in HFD+F mice liver; this finding was associated with increased hepatic levels of α-tocopherol and decreased formation of the corresponding long-chain metabolites α-13-hydroxy and α-13-carboxy chromanols...
June 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28628263/insulin-resistance-increases-the-risk-of-incident-type-2-diabetes-mellitus-in-patients-with-nonalcoholic-fatty-liver-disease
#12
Yuya Seko, Yoshio Sumida, Saiyu Tanaka, Kojiroh Mori, Hiroyoshi Taketani, Hiroshi Ishiba, Tasuku Hara, Akira Okajima, Atsushi Umemura, Taichiro Nishikawa, Kanji Yamaguchi, Michihisa Moriguchi, Kazuyuki Kanemasa, Kohichiroh Yasui, Shunsuke Imai, Keiji Shimada, Yoshito Itoh
BACKGROUND: Type 2 diabetes mellitus (T2DM) is a major complication of patients with nonalcoholic fatty liver disease (NAFLD). The aim of this retrospective study is to determine the risk factor for development of T2DM in patients with biopsy proven NAFLD. METHODS: Consecutive 162 patients with biopsy-proven NAFLD patients who received 75g oral glucose tolerance test (OGTT) were enrolled as the total cohort. Among them, we analyzed 89 patients without T2DM diagnosed by OGTT to estimate the cumulative rate for development of T2DM as the follow-up cohort...
June 19, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28628040/lipogenic-transcription-factor-chrebp-mediates-fructose-induced-metabolic-adaptations-to-prevent-hepatotoxicity
#13
Deqiang Q Zhang, Xin Tong, Kyle VanDommelen, Neil Gupta, Kenneth Stamper, Graham F Brady, Zhuoxian Meng, Jiandie D Lin, Liangyou Y Rui, M Bishr Omary, Lei Yin
Epidemiologic and animal studies implicate overconsumption of fructose in the development of nonalcoholic fatty liver disease, but the molecular mechanisms underlying fructose-induced chronic liver diseases remain largely unknown. Here, we have presented evidence supporting the essential function of the lipogenic transcription factor carbohydrate response element-binding protein (ChREBP) in mediating adaptive responses to fructose and protecting against fructose-induced hepatotoxicity. In WT mice, a high-fructose diet (HFrD) activated hepatic lipogenesis in a ChREBP-dependent manner; however, in Chrebp-KO mice, a HFrD induced steatohepatitis...
June 19, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28628039/chrebp-refines-the-hepatic-response-to-fructose-to-protect-the-liver-from-injury
#14
Angela M Hall, Brian N Finck
Overconsumption of fructose and other sugars has been linked to nonalcoholic fatty liver disease (NAFLD); however, the sugar-associated effects that lead to disease are poorly defined. In this issue of the JCI, Zhang and colleagues show that the carbohydrate response element-binding protein (ChREBP) coordinates an adaptive response to a high-fructose diet in mice and that loss of this transcription factor leads to hepatic inflammation and early signs of fibrosis. Intriguingly, ChREBP-dependent effects were due to an exaggerated activation of the proapoptotic arms of the endoplasmic reticulum stress response that is probably secondary to inappropriate derepression of cholesterol biosynthesis...
June 19, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28628033/nonalcoholic-fatty-liver-disease-with-cirrhosis-increases-familial-risk-for-advanced-fibrosis
#15
Cyrielle Caussy, Meera Soni, Jeffrey Cui, Ricki Bettencourt, Nicholas Schork, Chi-Hua Chen, Mahdi Al Ikhwan, Shirin Bassirian, Sandra Cepin, Monica P Gonzalez, Michel Mendler, Yuko Kono, Irine Vodkin, Kristin Mekeel, Jeffrey Haldorson, Alan Hemming, Barbara Andrews, Joanie Salotti, Lisa Richards, David A Brenner, Claude B Sirlin, Rohit Loomba
BACKGROUND: The risk of advanced fibrosis in first-degree relatives of patients with nonalcoholic fatty liver disease and cirrhosis (NAFLD-cirrhosis) is unknown and needs to be systematically quantified. We aimed to prospectively assess the risk of advanced fibrosis in first-degree relatives of probands with NAFLD-cirrhosis. METHODS: This is a cross-sectional analysis of a prospective cohort of 26 probands with NAFLD-cirrhosis and 39 first-degree relatives. The control population included 69 community-dwelling twin, sib-sib, or parent-offspring pairs (n = 138), comprising 69 individuals randomly ascertained to be without evidence of NAFLD and 69 of their first-degree relatives...
June 19, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28627213/nonalcoholic-fatty-liver-disease-nafld-pathophysiology-in-obese-children-and-adolescents-update
#16
Silvana Neves Ferraz de Assunção, Ney Christian Boa Sorte, Crésio Dantas Alves, Patricia S Almeida Mendes, Carlos Roberto Brites Alves, Luciana Rodrigues Silva
OBJECTIVE: Although the nonalcoholic fatty liver disease was first identified in 1980, it presents multifactorial and unclear pathophysiology. In this review, we intend to update the pathophysiological mechanisms of a high morbidity and mortality associated disease that is affecting obese children worldwide. DATA SOURCES: The PubMed and the Cochrane Library databases were used in the search strategy for articles related to nonalcoholic fatty liver disease and published in the last three decades...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28623272/exosomes-derived-from-palmitic-acid-treated-hepatocytes-induce-fibrotic-activation-of-hepatic-stellate-cells
#17
Young-Sun Lee, So Yeon Kim, Eunjung Ko, Jun-Hee Lee, Hyon-Seung Yi, Yang Jae Yoo, Jihye Je, Sang Jun Suh, Young Kul Jung, Ji Hoon Kim, Yeon Seok Seo, Hyung Joon Yim, Won-Il Jeong, Jong Eun Yeon, Soon Ho Um, Kwan Soo Byun
Non-alcoholic fatty liver disease (NAFLD) is a dominant cause of chronic liver disease, but the exact mechanism of progression from simple steatosis to nonalcoholic steatohepatitis (NASH) remains unknown. Here, we investigated the role of exosomes in NAFLD progression. Exosomes were isolated from a human hepatoma cell line treated with palmitic acid (PA) and their miRNA profiles examined by microarray. The human hepatic stellate cell (HSC) line (LX-2) was then treated with exosome isolated from hepatocytes...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28623125/chronic-intermittent-hypoxia-induces-liver-fibrosis-in-mice-with-diet-induced-obesity-via-tlr4-myd88-mapk-nf-kb-signaling-pathways
#18
Hyeon Hui Kang, In Kyoung Kim, Hye In Lee, Hyonsoo Joo, Jeong Uk Lim, Jongmin Lee, Sang Haak Lee, Hwa Sik Moon
Obstructive sleep apnea (OSA) is associated with nonalcoholic fatty liver disease (NAFLD), and causes chronic intermittent hypoxia (CIH) during sleep. Inflammation is associated with the development of metabolic complications induced by CIH. Research suggests that innate immune mechanisms are involved in the pro-inflammatory pathways of liver fibrosis. The purpose of this study was to investigate whether innate immune responses induce liver fibrosis, and to evaluate mechanisms underlying hepatic inflammation related to CIH in a murine diet-induced obesity (DIO) model...
June 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28622253/the-rising-incidence-of-nonalcoholic-fatty-liver-disease
#19
(no author information available yet)
No abstract text is available yet for this article.
July 15, 2017: Nurse Practitioner
https://www.readbyqxmd.com/read/28622190/are-exercise-benefits-in-nonalcoholic-fatty-liver-disease-due-to-increased-autophagy
#20
Srinivasan Dasarathy
No abstract text is available yet for this article.
July 2017: Exercise and Sport Sciences Reviews
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