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Nonalcoholic steatohepatitis

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https://www.readbyqxmd.com/read/28432400/-the-intestinal-microbiome-and-metabolic-diseases-from-obesity-to-diabetes-and-nonalcoholic-steatohepatitis
#1
S C Bischoff
BACKGROUND: The intestinal microbiome consists of about 10 million genes, many of which encode digestive enzymes. This explains why animal and human experiments revealed that the intestinal microbiome adapts to food intake and optimizes energy harvest from food. This function is considered beneficial in states of lack of food, but following overnutrition, it might support the development of obesity. OBJECTIVES: The relevance of the intestinal microbiome for the pathogenesis of obesity and associated metabolic diseases such as fatty liver disease and type 2 diabetes mellitus and for the clinical management of such diseases shall be discussed...
April 21, 2017: Der Internist
https://www.readbyqxmd.com/read/28430371/evaluation-of-circulating-zonulin-as-a-potential-marker-in-the-pathogenesis-of-nonalcoholic-fatty-liver-disease
#2
Olfat M Hendy, Maha M Elsabaawy, Mona M Aref, Fatma M Khalaf, Abdel Moaty A Oda, Helmy M El Shazly
Nonalcoholic fatty liver disease (NAFLD) is a spectrum of liver disorders ranging from simple hepatic steatosis up to nonalcoholic steatohepatitis (NASH) evolving to cirrhosis and hepatocellular carcinoma (HCC). Liver biopsy is still the gold standard modality for diagnosing and staging NAFLD. The linkage between intestinal microbiota and NAFLD, might suggest a potential role of serum zonulin in NAFLD diagnosis. To appraise the role of circulating zonulin in NAFLD pathogenesis, 56 subjects with proved NAFLD by ultrasonography and liver biopsy, as well as 20 healthy controls were tested...
April 21, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28425467/hyperpolarized-13-c-spectroscopic-evaluation-of-oxidative-stress-in-a-rodent-model-of-steatohepatitis
#3
David M Wilson, Valentina Di Gialleonardo, Zhen J Wang, Valerie Carroll, Cornelius Von Morze, Andrew Taylor, Victor Sai, Mark VanCriekinge, Robert Bok, Michael A Ohliger, Kayvan R Keshari
Nonalcoholic fatty liver disease (NAFLD) has become highly prevalent, now considered the most common liver disease in the western world. Approximately one-third of patients with NASH develop non-alchoholic steatohepatitis (NASH), histologically defined by lobular and portal inflammation, and accompanied by marked oxidative stress. Patients with NASH are at increased risk for cirrhosis and hepatocellular carcinoma, and diagnosis currently requires invasive biopsy. In animal models of NASH, particularly the methionine-choline deficient (MCD) model, profound changes are seen in redox enzymes and key intracellular antioxidants...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424556/nonalcoholic-steatohepatitis-related-hepatocellular-carcinoma-is-there-a-role-for-the-androgen-receptor-pathway
#4
REVIEW
Mahmoud A Ali, Sahin Lacin, Reham Abdel-Wahab, Mark Uemura, Manal Hassan, Asif Rashid, Dan G Duda, Ahmed O Kaseb
The epidemic of insulin resistance, obesity, and metabolic syndrome has led to the emergence of nonalcoholic steatohepatitis (NASH) as the most common cause of liver disease in the US. Patients with NASH are at an increased risk for hepatic disease-related morbidity and death, and chronic inflammation in NASH patients can lead to hepatocellular carcinoma (HCC). The prevalence of HCC is higher in males than in females, and genetic studies have identified androgen and androgen receptors (ARs) as partially responsible for the gender disparity in the development of liver disease and HCC...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28422962/docosahexaenoic-acid-blocks-progression-of-western-diet-induced-nonalcoholic-steatohepatitis-in-obese-ldlr-mice
#5
Kelli A Lytle, Carmen P Wong, Donald B Jump
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is a major public health concern in western societies. Nonalcoholic steatohepatitis (NASH), the progressive form of NAFLD, is characterized by hepatic steatosis, inflammation, oxidative stress and fibrosis. NASH is a risk factor for cirrhosis and hepatocellular carcinoma. NASH is predicted to be the leading cause of liver transplants by 2020. Despite this growing public health concern, there remain no Food and Drug Administration (FDA) approved NASH treatments...
2017: PloS One
https://www.readbyqxmd.com/read/28420094/nonalcoholic-fatty-liver-disease-and-insulin-resistance-new-insights-and-potential-new-treatments
#6
REVIEW
Hironori Kitade, Guanliang Chen, Yinhua Ni, Tsuguhito Ota
Nonalcoholic fatty liver disease (NAFLD) is one of the most common chronic liver disorders worldwide. It is associated with clinical states such as obesity, insulin resistance, and type 2 diabetes, and covers a wide range of liver changes, ranging from simple steatosis to non-alcoholic steatohepatitis (NASH), liver cirrhosis, and hepatocellular carcinoma. Metabolic disorders, such as lipid accumulation, insulin resistance, and inflammation, have been implicated in the pathogenesis of NAFLD, but the underlying mechanisms, including those that drive disease progression, are not fully understood...
April 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28417561/population-pharmacokinetics-of-morphine-in-patients-with-nonalcoholic-steatohepatitis-nash-and-healthy-adults
#7
V Pierre, C K Johnston, B C Ferslew, Klr Brouwer, D Gonzalez
Altered expression and function of transporters in nonalcoholic steatohepatitis (NASH) patients may affect the pharmacokinetics (PK), efficacy, and safety of substrate drugs. A population pharmacokinetic (PopPK) analysis was performed to assess differences in morphine and morphine-3-glucuronide (M3G) disposition in NASH and healthy subjects. A total of 315 serum and 42 urine samples from 21 subjects (14 healthy; 7 NASH) were analyzed using NONMEM. Morphine and M3G PK were described by three- and one-compartment models, respectively...
April 18, 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28406477/mir-21-ablation-and-obeticholic-acid-ameliorate-nonalcoholic-steatohepatitis-in-mice
#8
Pedro M Rodrigues, Marta B Afonso, André L Simão, Catarina C Carvalho, Alexandre Trindade, António Duarte, Pedro M Borralho, Mariana V Machado, Helena Cortez-Pinto, Cecília Mp Rodrigues, Rui E Castro
microRNAs were recently suggested to contribute to the pathogenesis of nonalcoholic fatty liver disease (NAFLD), a disease lacking specific pharmacological treatments. In that regard, nuclear receptors are arising as key molecular targets for the treatment of nonalcoholic steatohepatitis (NASH). Here we show that, in a typical model of NASH-associated liver damage, microRNA-21 (miR-21) ablation results in a progressive decrease in steatosis, inflammation and lipoapoptosis, with impairment of fibrosis. In a complementary fast food (FF) diet NASH model, mimicking features of the metabolic syndrome, miR-21 levels increase in both liver and muscle, concomitantly with decreased expression of peroxisome proliferator-activated receptor α (PPARα), a key miR-21 target...
April 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28388904/effect-of-traditional-chinese-medicine-formula-sinisan-on-chronic-restraint-stress-induced-nonalcoholic-fatty-liver-disease-a-rat-study
#9
Fafeng Cheng, Chongyang Ma, Xueqian Wang, Changming Zhai, Guoli Wang, Xiaolin Xu, Jie Mu, Changxiang Li, Zisong Wang, Xiaoyu Zhang, Wenchao Yue, Xin Du, Yajun Lian, Wenxiang Zhu, Xiangjun Yin, Zhen Wei, Wenjie Song, Qingguo Wang
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) represents one of the most common forms of liver disease worldwide, and it is always regarded as a consequence of a sedentary, food-abundant lifestyle, sitting for an extended time, and a low physical activity level, which often coincide with chronic and long-lasting psychological stress. A Chinese medicine Sinisan (SNS) may be a potential formula for treating this kind of disease. METHODS: In this study, a long-term chronic restraint stress protocol was used to investigate the mechanism underlying stress-induced NALFD...
April 7, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28387617/oral-administration-of-%C3%AE-glucosylceramide-for-the-treatment-of-insulin-resistance-and-nonalcoholic-steatohepatitis-results-of-a-double-blind-placebo-controlled-trial
#10
Gadi Lalazar, Ehud Zigmond, Sarah Weksler-Zangen, Ami Ben Ya'acov, Miriam Sklair Levy, Nilla Hemed, Itamar Raz, Yaron Ilan
β-glucosylceramide (GC) is a naturally occurring glycosphingolipid that was shown to improve hepatic steatosis, steatohepatitis, and insulin resistance in animal models of nonalcoholic fatty liver disease. In this study, we evaluated the safety and efficacy of oral administration of GC in subjects with nonalcoholic steatohepatitis (NASH). Twenty-three patients with biopsy proven NASH were enrolled in a double-blind, placebo-controlled trial. Patients were orally administered daily with 7.5 mg of GC. Patients were followed for safety, liver enzymes, HbA1c, insulin sensitivity, lipid profile, hepatic fat content as measured by magnetic resonance imaging (MRI), and NASH score on liver biopsy...
April 7, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28386626/-hepatocellular-carcinoma
#11
C Czauderna, J U Marquardt, P R Galle, M A Wörns
Hepatocellular carcinoma (HCC) is a highly malignant tumor and is the most common cause of death in patients with underlying liver cirrhosis. The main risk factor for development of HCC is liver cirrhosis. Because of the increasing frequency of nonalcoholic steatohepatitis, the incidence of HCC is also expected to considerably rise in Western countries in upcoming years. Identification and surveillance of patients at risk is crucial because curative treatment approaches can only be applied at early stages of the disease...
April 6, 2017: Der Internist
https://www.readbyqxmd.com/read/28385694/phosphatidylcholine-transfer-protein-stard2-promotes-microvesicular-steatosis-and-liver-injury-in-murine-experimental-steatohepatitis
#12
Hayley Tenielle Nicholls, Jason L Hornick, David E Cohen
Mice fed a methionine and choline deficient (MCD) diet develop steatohepatitis that recapitulates key features of nonalcoholic steatohepatitis (NASH) in humans. Phosphatidylcholine is the most abundant phospholipid in the surfactant monolayer that coats and stabilizes lipid droplets within cells, and choline is required for its major biosynthetic pathway. Phosphatidylcholine-transfer protein (PC-TP), which exchanges phosphatidylcholine among membranes, is enriched in hepatocytes. PC-TP also regulates fatty acid metabolism through interactions with thioesterase superfamily member 2...
April 6, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28375406/hot-topics-in-primary-care-diagnosis-of-cirrhosis-and-evaluation-of-hepatic-encephalopathy-common-errors-and-their-significance-for-the-pcp
#13
REVIEW
Steven L Flamm
Cirrhosis has become the focus of greater attention in recent years largely because of the increasing prevalence of 2 of its most common causes: chronic viral hepatitis and steatohepatitis (a subset of nonalcoholic fatty liver disease [NAFLD]). Cirrhosis is the result of progressive destruction and regeneration of the liver parenchyma due to chronic liver disease (CLD).
April 2017: Journal of Family Practice
https://www.readbyqxmd.com/read/28366357/low-and-high-birth-weights-are-risk-factors-for-nonalcoholic-fatty-liver-disease-in-children
#14
Kimberly P Newton, Haruna S Feldman, Christina D Chambers, Laura Wilson, Cynthia Behling, Jeanne M Clark, Jean P Molleston, Naga Chalasani, Arun J Sanyal, Mark H Fishbein, Joel E Lavine, Jeffrey B Schwimmer
OBJECTIVES: To examine the distribution of birth weight in children with nonalcoholic fatty liver disease (NAFLD) compared with the general US population, and to investigate the relationship between birth weight and severity of NAFLD. STUDY DESIGN: A multicenter, cross-sectional study of children with biopsy-proven NAFLD enrolled in the Nonalcoholic Steatohepatitis Clinical Research Network Database. Birth weight was categorized as low birth weight (LBW), normal birth weight (NBW), or high birth weight (HBW) and compared with the birth weight distribution in the general US population...
March 30, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28365916/pigment-epithelium-derived-factor-pedf-prevents-hepatic-fat-storage-inflammation-and-fibrosis-in-dietary-steatohepatitis-of-mice
#15
Takafumi Yoshida, Jun Akiba, Takanori Matsui, Kazuo Nakamura, Takao Hisamoto, Mitsuhiko Abe, Yu Ikezono, Fumitaka Wada, Hideki Iwamoto, Toru Nakamura, Hironori Koga, Sho-Ichi Yamagishi, Takuji Torimura
BACKGROUND AND AIMS: Pigment epithelium-derived factor (PEDF) has been shown to be a potent inhibitor of inflammation through its anti-oxidative property. Since oxidative response is considered to play the pivotal role of the development and progression of nonalcoholic steatohepatitis (NASH), it is conceivable that PEDF may play a protective role against NASH. In this study, we examined whether administration of PEDF slowed the progression of NASH in mice models. METHODS: Mice were fed methionine- and choline-deficient (MCD) diet with or without intramuscular administration of adenovirus-expressing PEDF (Ad-PEDF)...
April 1, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28364816/de-novo-and-recurrence-of-nonalcoholic-steatohepatitis-after-liver-transplantation
#16
REVIEW
Matthew Kappus, Manal Abdelmalek
Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease in developing countries. Approximately 25% of patients with NAFLD develop nonalcoholic steatohepatitis (NASH). NASH-related cirrhosis is now a leading listing indication for liver transplantation in the United States. Although posttransplant survival for NASH-related cirrhosis is comparable with that of other liver diseases, many patients have features of metabolic syndrome, which can contribute to a recurrence of NAFLD or NASH...
May 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/28362682/genetic-determinants-of-circulating-lipoproteins-in-nonalcoholic-fatty-liver-disease
#17
Zhenghui G Jiang, Elliot B Tapper, Misung Kim, Margery A Connelly, Sarah A Krawczyk, Eric U Yee, Mark A Herman, Kenneth J Mukamal, Michelle Lai
BACKGROUND: Recent genome-wide association studies have identified 2 genetic polymorphisms in association with nonalcoholic fatty liver disease (NAFLD): patatin-like phospholipase domain containing 3 (PNPLA3) and transmembrane 6 superfamily member 2 (TM6SF2), both of which appear to influence the production of very low density lipoprotein (VLDL). The impact of these genetic variations on lipoprotein metabolism in the setting of nonalcoholic steatohepatitis and liver fibrosis are not fully characterized...
March 30, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28359548/serum-cytokeratin-18-fragment-levels-as-noninvasive-marker-of-nonalcoholic-steatohepatitis-in-the-chilean-population
#18
Juan Pablo Arab, Cristián Hernández-Rocha, Carolina Morales, José Ignacio Vargas, Nancy Solís, Margarita Pizarro, Camila Robles, Daniela Sandoval, Simon Ponthus, Carlos Benítez, Francisco Barrera, Alejandro Soza, Arnoldo Riquelme, Marco Arrese
Nonalcoholic steatohepatitis (NASH) is the most aggressive form of nonalcoholic fatty liver disease (NAFLD) and involves the risk of progression to more advanced stages of liver disease. Non-invasive methods are needed to identify patients with NASH. OBJECTIVE: To evaluate the diagnostic performance of the determination of serum levels of cytokeratin-18 (CK-18) as a non-invasive marker of NASH in the Chilean population. METHODS: Serum CK-18 levels were determined in a group of 41 patients with biopsy-proven NAFLD...
March 27, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28359088/sex-hormone-binding-globulin-reduction-in-metabolic-disorders-may-play-a-role-in-nafld-development
#19
Cristina Saez-Lopez, Anna Barbosa-Desongles, Cristina Hernandez, Roger A Dyer, Sheila M Innis, Rafael Simó, David M Selva
Low plasma sex hormone-binding globulin (SHBG) levels are a hallmark in chronic metabolic diseases, including nonalcoholic fatty liver disease (NAFLD), which represents a spectrum of disease ranging from hepatocellular steatosis through steatohepatitis to fibrosis and irreversible cirrhosis. The functional link between altered SHBG production and NAFLD development and progression remains unclear. We investigated the effects of overexpressing human SHBG in 2 mouse models of NAFLD: a genetically induced double transgenic mouse and a diet-induced model...
March 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28358620/daily-coffee-intake-inhibits-pancreatic-beta-cell-damage-and-nonalcoholic-steatohepatitis-in-a-mouse-model-of-spontaneous-metabolic-syndrome-tsumura-suzuki-obese-diabetic-mice
#20
Syunsuke Watanabe, Tetsuyuki Takahashi, Hirohisa Ogawa, Hisanori Uehara, Takaaki Tsunematsu, Hayato Baba, Yuki Morimoto, Koichi Tsuneyama
BACKGROUND: Metabolic syndrome is one of the most important health issues worldwide. Obesity causes insulin resistance, hyperlipidemia, diabetes, and various diseases throughout the body. The liver phenotype, which is called nonalcoholic steatohepatitis (NASH), frequently progresses to hepatocellular carcinoma. We recently established a new animal model, Tsumura-Suzuki obese diabetic (TSOD) mice, which spontaneously exhibit obesity, diabetes, hyperlipidemia, and NASH with liver nodules...
March 30, 2017: Metabolic Syndrome and related Disorders
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