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https://www.readbyqxmd.com/read/28088781/mir-30c-5p-ameliorates-hepatic-steatosis-in-leptin-receptor-deficient-db-db-mice-via-down-regulating-fasn
#1
Jiahui Fan, Huaping Li, Xiang Nie, Zhongwei Yin, Yanru Zhao, Chen Chen, Dao Wen Wang
Approximately 15-40% of the general adult population suffers from non-alcoholic fatty liver disease (NAFLD) worldwide. However, no drug is currently licensed for its treatment. In this study, we observed a significant reduction of miR-30c-5p in the liver of leptin receptor-deficient (db/db) mice. Remarkably, recombinant adeno-associated virus (rAAV)-mediated delivery of miR-30c-5p was sufficient to attenuate triglyceride accumulation and hepatic steatosis in db/db mice. Through computational prediction, KEGG analysis and Ago2 co-immunoprecipitation, we identified that miR-30c-5p directly targeted fatty acid synthase, a key enzyme in fatty acid biosynthesis...
January 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088462/activation-of-the-hypoxia-inducible-factor-1-alpha-subunit-pathway-in-steatotic-liver-contributes-to-formation-of-cholesterol-gallstones
#2
Yoichiro Asai, Tetsuya Yamada, Sohei Tsukita, Kei Takahashi, Masamitsu Maekawa, Midori Honma, Masanori Ikeda, Keigo Murakami, Yuichiro Munakata, Yuta Shirai, Shinjiro Kodama, Takashi Sugisawa, Yumiko Chiba, Yasuteru Kondo, Keizo Kaneko, Kenji Uno, Shojiro Sawada, Junta Imai, Yasuhiro Nakamura, Hiroaki Yamaguchi, Kozo Tanaka, Hironobu Sasano, Nariyasu Mano, Yoshiyuki Ueno, Tooru Shimosegawa, Hideki Katagiri
BACKGROUND AND AIMS: Hypoxia inducible factor 1 alpha subunit (HIF1A) is a transcription factor that controls the cellular response to hypoxia and is activated in hepatocytes of patients with non-alcoholic fatty liver disease (NAFLD). NAFLD increases risk for cholesterol gallstone disease by unclear mechanisms. We studied the relationship between HIF1A and gallstone formation associated with liver steatosis. METHODS: We performed studies with mice with inducible disruption of Hif1a in hepatocytes, via a Cre adenoviral vector (iH-HIFKO mice), and mice without disruption of Hif1a (control mice)...
January 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28088461/changes-in-the-prevalence-of-hepatitis-c-virus-infection-non-alcoholic-steatohepatitis-and-alcoholic-liver-disease-among-patients-with-cirrhosis-or-liver-failure-on-the-waitlist-for-liver-transplantation
#3
David Goldberg, Ivo C Ditah, Kia Saeian, Mona Lalehzari, Andrew Aronsohn, Emmanuel C Gorospe, Michael Charlton
BACKGROUND & AIMS: Concurrent to development of more effective drugs for treatment of hepatitis C virus (HCV), infection, there has been an increase in the incidence of non-alcoholic fatty liver disease (NAFLD). Data indicate that liver transplantation prolongs survival times of patient with acute hepatitis associated with alcoholic liver disease (ALD). We compared data on disease prevalence in the population with data from liver transplantation waitlists to evaluate changes in the burden of liver disease in the United States...
January 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28088395/lactate-and-lactate-pyruvate-ratio-in-the-diagnosis-and-outcomes-of-pediatric-acute-liver-failure
#4
Amy G Feldman, Ronald J Sokol, Regina M Hardison, Estella M Alonso, Robert H Squires, Michael R Narkewicz
OBJECTIVES: To assess the accuracy of blood lactate and lactate: pyruvate molar ratio (L:P) as a screen for mitochondrial, respiratory chain, or fatty acid oxidation disorders in children with pediatric acute liver failure (PALF); to determine whether serum lactate ≥ 2.5 mmol/L or L:P  ≥ 25 correlated with biochemical variables of clinical severity; and to determine whether lactate or L:P is associated with clinical outcome at 21 days. STUDY DESIGN: Retrospective review of demographic, clinical, laboratory, and outcome data for PALF study group participants who had lactate and pyruvate levels collected on the same day...
January 12, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28088290/could-post-weaning-dietary-chia-seed-mitigate-the-development-of-dyslipidemia-liver-steatosis-and-altered-glucose-homeostasis-in-offspring-exposed-to-a-sucrose-rich-diet-from-utero-to-adulthood
#5
M A Fortino, M E Oliva, S Rodriguez, Y B Lombardo, A Chicco
The present work analyzes the effects of dietary chia seeds during postnatal life in offspring exposed to a sucrose-rich diet (SRD) from utero to adulthood. At weaning, chia seed (rich in α-linolenic acid) replaced corn oil (rich in linoleic acid) in the SRD. At 150 days of offspring life, anthropometrical parameters, blood pressure, plasma metabolites, hepatic lipid metabolism and glucose homeostasis were analyzed. Results showed that chia was able to prevent the development of hypertension, liver steatosis, hypertriglyceridemia and hypercholesterolemia...
January 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28088289/effects-of-treatment-with-sucrose-in-drinking-water-on-liver-histology-lipogenesis-and-lipogenic-gene-expression-in-rats-fed-high-fiber-diet
#6
Tomislav Mašek, Natalija Filipović, Ana Vuica, Kristina Starčević
We studied the influence of sucrose in drinking water on liver histology, fatty acid profile and lipogenic genes expression in rats maintained on high-fiber. The experimental groups were: control group (water) and sucrose group (sucrose solution in drinking water, 30% w/v). Liver histology of sucrose treated rats revealed steatosis and increased number of αSMA immunoreactive cells without the signs of fibrosis. Sucrose treatment increased de novo lipogenesis, lipid peroxidation and MUFA content and decreased PUFA content, C18:2n6 and C20:4n6 content in total phospholipids and phosphatidylethanolamine and C18:2n6 content in cardiolipin...
January 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28086952/glucagon-like-peptide-1-analogues-an-efficient-therapeutic-option-for-the-severe-insulin-resistance-of-lipodystrophic-syndromes-two-case-reports
#7
Joana Oliveira, Eva Lau, Davide Carvalho, Paula Freitas
BACKGROUND: Lipodystrophic syndromes are uncommon medical conditions which are normally associated with metabolic disorders, such as diabetes mellitus, dyslipidemia, and fatty liver disease. These complications are generally difficult to treat, particularly diabetes, due to severe insulin resistance. We present two case reports of successful treatment of diabetes with glucagon-like peptide-1 analogues in patients with clinical features of lipodystrophic syndromes. CASE PRESENTATION: Two white women aged 49 and 60 years manifested marked central body fat deposition with severe lipoatrophy of their limbs and buttocks and pronounced acanthosis nigricans...
January 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28086886/biochemical-mechanism-underlying-hypertriglyceridemia-and-hepatic-steatosis-hepatomegaly-induced-by-acute-schisandrin-b-treatment-in-mice
#8
Yi Zhang, Jing Zhao, Shu-Feng Zhou, Zhi-Ling Yu, Xiao-Yan Wang, Pei-Li Zhu, Zhu-Sheng Chu, Si-Yuan Pan, Ming Xie, Kam-Ming Ko
BACKGROUND: It has been demonstrated that acute oral administration of schisandrin B (Sch B), an active dibenzocyclooctadiene isolated from Schisandrae Fructus (a commonly used traditional Chinese herb), increased serum and hepatic triglyceride (TG) levels and hepatic mass in mice. The present study aimed to investigate the biochemical mechanism underlying the Sch B-induced hypertriglyceridemia, hepatic steatosis and hepatomegaly. METHODS: Male ICR mice were given a single oral dose of Sch B (0...
January 13, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28086800/relevance-of-fxr-p62-sqstm1-pathway-for-survival-and-protection-of-mouse-hepatocytes-and-liver-especially-with-steatosis
#9
Sanae Haga, Yimin, Michitaka Ozaki
BACKGROUND: Liver injury and regeneration involve complicated processes and are affected by various physio-pathological conditions. Surgically, severe liver injury after surgical resection often leads to fatal liver failure, especially with some underlying pathological conditions such as steatosis. Therefore, protection from the injury of hepatocytes and liver is a serious concern in various clinical settings. METHODS: We studied the effects of the farnesoid X receptor (FXR) on cell survival and steatosis in mouse hepatocytes (AML12 mouse liver cells) and investigated their molecular mechanisms...
January 13, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28086768/probiotic-mixture-improves-fatty-liver-disease-by-virtue-of-its-action-on-lipid-profiles-leptin-and-inflammatory-biomarkers
#10
Hessah Mohammed Al-Muzafar, Kamal Adel Amin
BACKGROUND: A high fat diet has an essential role in the pathogenesis of non-alcoholic fatty liver disease (NAFLD). This condition is characterized by hepatic fat accumulation (steatosis) and is associated with obesity, diabetes, and fibrosis or cirrhosis of the liver. Probiotics may be useful in the treatment of steatosis. This study examined the effects of an ingested probiotic formulation on the lipid profiles, liver functions, leptin levels, and inflammatory marker levels of rats with NAFLD that had been induced via high fat and sucrose diet (HFSD)...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28081221/dietary-lipid-sources-influence-fatty-acid-composition-in-tissue-of-large-yellow-croaker-larmichthys-crocea-by-regulating-triacylglycerol-synthesis-and-catabolism-at-the-transcriptional-level
#11
Hong Qiu, Min Jin, Yi Li, You Lu, Yingmei Hou, Qicun Zhou
An 8-week feeding trial was conducted to evaluate the effects of dietary lipid sources on growth performance, fatty acid composition, rate-limiting enzyme activities and gene expression related to lipid metabolism in large yellow croaker (Larmichthys crocea). Five iso-nitrogenous and iso-lipidic experimental diets were formulated to contain different lipid sources, such as fish oil (FO), soybean oil (SO), linseed oil (LO), rapeseed oil (RO) and peanut oil (PO), respectively. Triplicate groups of 50 fish (initial weight 13...
2017: PloS One
https://www.readbyqxmd.com/read/28081181/aronia-melanocarpa-extract-ameliorates-hepatic-lipid-metabolism-through-ppar%C3%AE-2-downregulation
#12
Chung-Hwa Park, Jung-Hee Kim, Eun Byul Lee, Wonhee Hur, Oh-Joo Kwon, Hyoung-Jin Park, Seung Kew Yoon
Nonalcoholic fatty liver disease (NAFLD) is a hepatic manifestation of metabolic syndrome. Studies have demonstrated that anthocyanin-rich foods may improve hyperlipidemia and ameliorate hepatic steatosis. Here, effects of Aronia melanocarpa (AM), known to be rich of anthocyanins, on hepatic lipid metabolism and adipogenic genes were determined. AM was treated to C57BL/6N mice fed with high fat diet (HFD) or to FL83B cells treated with free fatty acid (FFA). Changes in levels of lipids, enzymes and hormones were observed, and expressions of adipogenic genes involved in hepatic lipid metabolism were detected by PCR, Western blotting and luciferase assay...
2017: PloS One
https://www.readbyqxmd.com/read/28080913/liver-ultrasonography-in-dolphins-use-of-ultrasonography-to-establish-a-technique-for-hepatobiliary-imaging-and-to-evaluate-metabolic-disease-associated-liver-changes-in-bottlenose-dolphins-tursiops-truncatus
#13
Kelsey E Seitz, Cynthia R Smith, Stanley L Marks, Stephanie K Venn-Watson, Marina Ivančić
The objective of this study was to establish a comprehensive technique for ultrasound examination of the dolphin hepatobiliary system and apply this technique to 30 dolphins to determine what, if any, sonographic changes are associated with blood-based indicators of metabolic syndrome (insulin greater than 14 μIU/ml or glucose greater than 112 mg/dl) and iron overload (transferrin saturation greater than 65%). A prospective study of individuals in a cross-sectional population with and without elevated postprandial insulin levels was performed...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28079806/the-relationship-of-nonalcoholic-fatty-liver-disease-and-metabolic-syndrome-for-colonoscopy-colorectal-neoplasm
#14
Shuang Pan, Wandong Hong, Wenzhi Wu, Qinfen Chen, Qian Zhao, Jiansheng Wu, Yin Jin
Colorectal neoplasm is considered to have a strong association with nonalcoholic fatty liver disease (NAFLD) and metabolic syndrome (MetS), respectively. The relationship among NAFLD, MetS, and colorectal neoplasm was assessed in 1793 participants. Participants were divided into 4 groups based on the status of NAFLD and MetS. Relative excess risks of interaction (RERI), attributable proportion (AP), and synergy index (SI) were applied to evaluate the additive interaction. NAFLD and MetS were significantly correlated with colorectal neoplasm and colorectal cancer (CRC), respectively...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079599/steatohepatitis-like-changes-in-focal-nodular-hyperplasia-a-finding-to-distinguish-from-steatohepatitic-variant-of-hepatocellular-carcinoma
#15
Kemal Deniz, Roger K Moreira, Matthew M Yeh, Linda D Ferrell
Steatohepatitis-like change has not been described in focal nodular hyperplasia (FNH). Steatohepatitis-like change in FNH may show overlapping features with steatohepatitic variant of hepatocellular carcinoma (HCC). This problem can be compounded if seen in FNH with widened cell plates or hepatocyte rosettes, other features that can also be seen in HCC. This study examined steatotic FNHs for the frequency of steatohepatitis-like change, especially in the setting of FNH with rosettes and/or widened cell plates...
February 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28078997/lipoprotein-a-and-cardiovascular-risk-the-show-must-go-on
#16
Niki Katsiki, Khalid Al-Rasadi, Dimitri P Mikhailidis
Lipoprotein (a) [Lp(a)] is an independent but moderate, predictor for coronary heart disease (CHD) prevalence and severity. Several established and emerging cardiovascular (CV) risk factors including age, gender, ethnicity, smoking, dyslipidemia, hypertension, obesity, type 2 diabetes mellitus, alcohol consumption, arterial stiffness and hyperuricemia have been linked to Lp(a) metabolism. Apart from CHD, Lp(a) has been also associated with non-cardiac vascular diseases and diseases associated with increased CV risk such as chronic kidney disease, metabolic syndrome, non-alcoholic fatty liver disease, erectile dysfunction, obstructive sleep apnea syndrome, inflammatory bowel diseases and human immunodeficiency virus infection...
January 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28077898/quality-improvement-of-liver-ultrasound-images-using-fuzzy-techniques
#17
Azadeh Bayani, Mostafa Langarizadeh, Amir Reza Radmard, Ahmadreza Farzaneh Nejad
BACKGROUND: Liver ultrasound images are so common and are applied so often to diagnose diffuse liver diseases like fatty liver. However, the low quality of such images makes it difficult to analyze them and diagnose diseases. The purpose of this study, therefore, is to improve the contrast and quality of liver ultrasound images. METHODS: In this study, a number of image contrast enhancement algorithms which are based on fuzzy logic were applied to liver ultrasound images - in which the view of kidney is observable - using Matlab2013b to improve the image contrast and quality which has a fuzzy definition; just like image contrast improvement algorithms using a fuzzy intensification operator, contrast improvement algorithms applying fuzzy image histogram hyperbolization, and contrast improvement algorithms by fuzzy IF-THEN rules...
December 2016: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28077863/what-have-human-experimental-overfeeding-studies-taught-us-about-adipose-tissue-expansion-and-susceptibility-to-obesity-and-metabolic-complications
#18
REVIEW
D J Cuthbertson, T Steele, J P Wilding, J C G Halford, J A Harrold, M Hamer, F Karpe
Overfeeding experiments, in which we impose short-term positive energy balance, help unravel the cellular, physiological and behavioural adaptations to nutrient excess. These studies mimic longer-term mismatched energy expenditure and intake. There is considerable inter-individual heterogeneity in the magnitude of weight gain when exposed to similar relative caloric excess reflecting variable activation of compensatory adaptive mechanisms. Significantly, given similar relative weight gain, individuals may be protected from/predisposed to metabolic complications (insulin resistance, dyslipidaemia, hypertension), non-alcoholic fatty liver disease and cardiovascular disease...
January 12, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28077733/identification-of-potential-plasma-biomarkers-for-nonalcoholic-fatty-liver-disease-by-integrating-transcriptomics-and-proteomics-in-laying-hens
#19
Meng-Tsz Tsai, Yu-Jen Chen, Ching-Yi Chen, Mong-Hsun Tsai, Chia-Li Han, Yu-Ju Chen, Harry J Mersmann, Shih-Torng Ding
BACKGROUND: Prevalent worldwide obesity is associated with increased incidence of nonalcoholic fatty liver disease (NAFLD) and metabolic syndrome. The identification of noninvasive biomarkers for NAFLD is of recent interest. Because primary de novo lipogenesis occurs in chicken liver as in human liver, adult chickens with age-associated steatosis resembling human NAFLD is an appealing animal model. OBJECTIVE: The objective of this study was to screen potential biomarkers in the chicken model for NAFLD by transcriptomic and proteomic analysis...
January 11, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28077390/reversible-temperature-dependent-differences-in-brown-adipose-tissue-respiration-during-torpor-in-a-mammalian-hibernator
#20
Sarah Victoria McFarlane, Katherine E Mathers, James F Staples
While seasonal modifications of brown adipose tissue (BAT) in hibernators are well documented, we know little about functional regulation of BAT in different phases of hibernation. In the 13-lined ground squirrel, liver mitochondrial respiration is suppressed by up to 70% during torpor. This suppression is reversed during arousal an°°d interbout euthermia (IBE), and corresponds with patterns of maximal activities of electron transport system (ETS) enzymes. Uncoupling of BAT mitochondria is controlled by free-fatty acid release stimulated by sympathetic activation of adipocytes, so we hypothesized that further regulation at the level of the ETS would be of little advantage...
January 11, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
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