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Fatty liver disease

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https://www.readbyqxmd.com/read/28817690/resveratrol-and-caloric-restriction-prevent-hepatic-steatosis-by-regulating-sirt1-autophagy-pathway-and-alleviating-endoplasmic-reticulum-stress-in-high-fat-diet-fed-rats
#1
Shibin Ding, Jinjin Jiang, Guofu Zhang, Yongjun Bu, Guanghui Zhang, Xiangmei Zhao
BACKGROUND: Studies have demonstrated that resveratrol (a natural polyphenol) and caloric restriction activate Sirtuin-1 (SIRT1) and induce autophagy. Furthermore, autophagy is induced by the SIRT1-FoxO signaling pathway and was recently shown to be a critical protective mechanism against non-alcoholic fatty liver disease (NAFLD) development. We aimed to compare the effects of resveratrol and caloric restriction on hepatic lipid metabolism and elucidate the mechanism by which resveratrol supplementation and caloric restriction alleviate hepatosteatosis by examining the molecular interplay between SIRT1 and autophagy...
2017: PloS One
https://www.readbyqxmd.com/read/28817659/resveratrol-improves-alcoholic-fatty-liver-disease-by-downregulating-hif-1%C3%AE-expression-and-mitochondrial-ros-production
#2
Zhenhua Ma, Yangmin Zhang, Qingchun Li, Meng Xu, Jigang Bai, Shengli Wu
Oxidative stress has been demonstrated to be involved in the etiology of alcoholic fatty liver disease (AFLD). Previous studies had demonstrated that resveratrol (RES) could reduce oxidative stress by different mechanisms. However, the effect of RES on alcohol-induced fatty liver remains unclear. In the present study, a total of 48 male SD rats were divided into three groups: Control, AFLD, and RES groups. Rats were administered with either nothing or 65% vol/vol alcohol (5 ml/kg/day in the first three days, and then 10 ml/kg/day in the following days) with or without RES supplementation (250 mg/kg/day) for 4 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28817367/nutrition-implications-for-long-term-survivors-of-pancreatic-cancer-surgery
#3
Maria Q B Petzel, Leah Hoffman
With slowly increasing survival rates in pancreatic cancer and international consensus guidelines recommending surgical resection of premalignant lesions, survival post-pancreatic resection is increasing. With longer survival time, the significant comorbidities of such major surgery have far-reaching effects on the nutrition status of the survivor of pancreatic cancer. This review describes the many nutrition-related side effects of pancreatic surgery, including the development of pancreatic enzyme insufficiency, micronutrient deficiencies, diabetes, fatty liver, and metabolic bone disease...
August 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28815718/a-potential-high-risk-for-fatty-liver-disease-was-found-in-mice-generated-after-assisted-reproductive-techniques
#4
Gu Ll, Zhang Jj, Zheng Mm, Dong Gy, Xu Jy, Zhang Wy, Yibo Wu, Yang Yang, Zhu H
Abnormal gametogenesis and embryonic development may lead to poor health status of the offspring. The operations involved in the assisted reproductive technologies (ARTs) occur during the key stage of gametogenesis and early embryonic development. To assess the potential risk of abnormal lipid metabolism in the liver of adult ARTs offspring, two ARTs mice models derived from preimplantation genetic diagnosis (PGD group) and in vitro cultured embryos without biopsy (IVEM group) were constructed. And control mice were from in vivo naturally conceived (Normal group)...
August 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28815679/-epigallocatechin-3-gallate-and-atorvastatin-treatment-down-regulates-liver-fibrosis-related-genes-in-non-alcoholic-fatty-liver-disease
#5
Le Ying, Feng Yan, Yueling Zhao, Hugh Gao, Bryan Rg Williams, Yiqun Hu, Xiaofang Li, Run Tian, Ping Xu, Yuefei Wang
Non-alcoholic fatty liver disease (NAFLD) and associated advanced liver diseases have become prevalent conditions in many countries and are associated with increased mortality. Gene expression profiles in NAFLD have been examined recently but changes in expression elicited by chemical compound treatments have not been investigated. Since (-)-Epigallocatechin-3-gallate (EGCG) and atorvastatin (ATST) exhibit similar efficacy in NAFLD models, we reasoned that some common key genes might alter after treatment of EGCG and ATST...
August 16, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28814531/patients-with-nonalcoholic-fatty-liver-disease-have-a-low-response-rate-to-vitamin-d-supplementation
#6
Jaividhya Dasarathy, Rony Varghese, Abram Feldman, Amer Khiyami, Arthur J McCullough, Srinivasan Dasarathy
Background: Hypovitaminosis D is associated with an increased severity of nonalcoholic fatty liver disease (NAFLD), but reports on the response to cholecalciferol (vitamin D3) supplementation are conflicting.Objective: The objective of this study was to determine if standard vitamin D3 supplementation is effective in NAFLD with hypovitaminosis D.Methods: Sixty-five well-characterized adults [age (mean ± SD): 51.6 ± 12.3 y] with biopsy-proven NAFLD were screened. Forty-two patients (the ratio of men to women was 13:29) had hypovitaminosis D (plasma 25-hydroxyvitamin D [25(OH)D] <30 ng/mL)...
August 16, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28811715/sex-influenced-association-of-non-alcoholic-fatty-liver-disease-with-colorectal-adenomatous-and-hyperplastic-polyps
#7
Qin-Fen Chen, Xiao-Dong Zhou, Yang-Jie Sun, Dan-Hong Fang, Qian Zhao, Jun-Hua Huang, Yin Jin, Jian-Sheng Wu
AIM: To investigate the relationship between non-alcoholic fatty liver disease (NAFLD) and colorectal adenomatous and hyperplastic polyps. METHODS: A retrospective cross-sectional study was conducted on 3686 individuals undergoing health checkups (2430 males and 1256 females). All subjects underwent laboratory testing, abdominal ultrasonography, colonoscopy, and an interview to ascertain the baseline characteristics and general state of health. Multinomial logistic regression analysis was performed to examine the association between NAFLD and the prevalence of colorectal adenomatous and hyperplastic polyps...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811694/estimation-of-upper-limit-of-normal-for-serum-alanine-transaminase-in-healthy-south-indian-population
#8
Pazhanivel Mohan, Varun Sundar, Emmanuel Bhaskar, Syluvai Anthony
Alanine aminotransferase (ALT) is the most common and cost effective screening test for asymptomatic liver disease. There is paucity of data on normal ALT among healthy individuals in India. An observational cross sectional study was conducted from January to July 2013 to estimate the upper limit of normal for ALT in healthy south Indian population. Adults undergoing voluntary or pre-employment health screening were included. Those with current and past alcoholism or smoking, acute illness or hospitalization during preceding 12 months, non-steroidal anti-inflammatory or over the counter medication use within a month, current or past intake of herbal medications, any chronic medical illness, abnormal body mass index (BMI), fatty liver in ultrasound, abnormality in haemoglobin, platelet count, blood sugar, creatinine, lipid profile and thyroid function test and positive serology (Hepatitis B, C or HIV) were excluded...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811690/biochemical-profile-of-nonalcoholic-fatty-liver-disease-patients-in-eastern-india-with-histopathological-correlation
#9
Manorama Swain, Preetam Nath, Prasant Kumar Parida, Jimmy Narayan, Pradeep Kumar Padhi, Girish Kumar Pati, Ayaskanta Singh, Bijay Misra, Debasis Misra, Sanjib Kumar Kar, Manas Kumar Panigrahi, Chudamani Meher, Omprakash Agrawal, Niranjan Rout, Kaumudee Pattnaik, Pallavi Bhuyan, Pramila Kumari Mishra, Shivaram Prasad Singh
Aminotransferase assay is often used as a screening test as well as an endpoint for resolution of disease in nonalcoholic fatty liver disease (NAFLD). Aim of the study was to evaluate the relationship of transaminase level with metabolic variables and histology in NAFLD. Single center observational study was conducted in a gastroenterology clinic at Cuttack in coastal Odisha. Subjects were consecutive patients presenting with functional bowel disease and undergoing abdominal sonography. All participants were evaluated for the presence of metabolic syndrome (MS), insulin resistance, liver function test and lipid profile...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811651/inkt-cells-prevent-obesity-induced-hepatic-steatosis-in-mice-in-a-c-c-chemokine-receptor-7-dependent-manner
#10
H M Kim, R Lee, E S Lee, M H Kwon, J H Huh, B-E Kwon, E-K Park, S-Y Chang, M-N Kweon, P-H Kim, H-J Ko, C H Chung
Non-alcoholic fatty liver disease and non-alcoholic steatohepatitis are characterized by an increase in hepatic triglyceride content with infiltration of immune cells, which can cause steatohepatitis and hepatic insulin resistance. C-C chemokine receptor 7 (CCR7) is primarily expressed in immune cells, and CCR7 deficiency leads to the development of multi-organ autoimmunity, chronic renal disease, and autoimmune diabetes. Here, we investigated the effect of CCR7 on hepatic steatosis in a mouse model and its underlying mechanism...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28811294/dihydrocapsiate-improved-age-associated-impairments-in-mice-by-increasing-energy-expenditure
#11
Kana Ohyama, Katsuya Suzuki
Metabolic dysfunction is associated with aging and results in age-associated chronic diseases, including type 2 diabetes mellitus, cardiovascular disease, and stroke. Hence, there has been a focus on increasing energy expenditure in aged populations to protect them from age-associated diseases. Dihydrocapsiate (DCT) is a compound that belongs to the capsinoid family. Capsinoids are capsaicin analogs that are found in non-pungent peppers and increase whole-body energy expenditure. However, their effect on energy expenditure has been reported only in young populations, and to date the effectiveness of DCT in increasing energy expenditure in aged populations has not been investigated...
August 15, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28811064/evaluation-of-non-alcoholic-fatty-liver-disease-using-acoustic-radiation-force-impulse-imaging-elastography-in-rat-models
#12
Yanrong Guo, Changfeng Dong, Haoming Lin, Xinyu Zhang, Huiying Wen, Yuanyuan Shen, Tianfu Wang, Siping Chen, Yingxia Liu, Xin Chen
The aim of this study is to evaluate the utility of acoustic radiation force impulse (ARFI) elastography for assessing hepatic fibrosis stage and non-alcoholic fatty liver disease (NAFLD) severity, as well as the relationship among hepatic histologic changes using shear wave velocity (SWV). Animal models with various degrees of NAFLD were established in 110 rats. The right liver lobe was processed and embedded in a fabricated gelatin solution (porcine skin). Liver mechanics were measured using SWV induced by acoustic radiation force...
August 12, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28810615/detecting-serum-and-urine-metabolic-profile-changes-of-ccl4-liver-fibrosis-in-rats-at-12-weeks-based-on-gas-chromatography-mass-spectrometry
#13
Jiarong Gao, Xiu-Juan Qin, Hui Jiang, Jin-Feng Chen, Ting Wang, Ting Zhang, Shuang-Zhi Xu, Jun-Mei Song
Liver fibrosis is caused by liver injury induced by a number of chronic liver diseases, including schistosome infection, hepatitis infection, metabolic disease, alcoholism and cholestasis. The tissue damage occurring after injury or inflammation of the liver is a reversible lesion; however, liver fibrosis has become a worldwide problem and poses a threat to human health. The development of an effective drug for the prevention and treatment of liver fibrosis is ongoing and uses information from different occurrences of liver fibrosis...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809804/type-1-diabetes-and-non-alcoholic-fatty-liver-disease-when-should-we-be-concerned-a-nationwide-study-in-brazil
#14
Bianca Senger Vasconcelos Barros, Deborah Conte Santos, Marcela Haas Pizarro, Laura Gomes Nunes de Melo, Marilia Brito Gomes
Obesity is increasing worldwide, affecting even patients with type 1 diabetes (T1D). A higher prevalence of associated comorbidities is expected, such as non-alcoholic fatty liver disease (NAFLD). This paper reports a cross-sectional multicenter study on a population with T1D (n = 1662), which aimed to evaluate the prevalence of metabolic syndrome (MS), a known risk factor for NAFLD, and to investigate predisposing factors associated with MS, as well as factors associated with elevated alanine aminotransferase (ALT), as it correlates to liver fat content...
August 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28809727/models-of-non-alcoholic-fatty-liver-disease-and-potential-translational-value-the-effects-of-3-5-l-diiodothyronine
#15
Elena Grasselli, Laura Canesi, Piero Portincasa, Adriana Voci, Laura Vergani, Ilaria Demori
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disorder in industrialized countries and is associated with increased risk of cardiovascular, hepatic and metabolic diseases. Molecular mechanisms on the root of the disrupted lipid homeostasis in NAFLD and potential therapeutic strategies can benefit of in vivo and in vitro experimental models of fatty liver. Here, we describe the high fat diet (HFD)-fed rat in vivo model, and two in vitro models, the primary cultured rat fatty hepatocytes or the FaO rat hepatoma fatty cells, mimicking human NAFLD...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28808418/emerging-roles-of-sirt1-in-fatty-liver-diseases
#16
REVIEW
Ren-Bo Ding, Jiaolin Bao, Chu-Xia Deng
Fatty liver diseases, which are commonly associated with high-fat/calorie diet, heavy alcohol consumption and/or other metabolic disorder causes, lead to serious medical concerns worldwide in recent years. It has been demonstrated that metabolic homeostasis disruption is most likely to be responsible for this global epidemic. Sirtuins are a group of conserved nicotinamide adenine dinucleotide (NAD(+)) dependent histone and/or protein deacetylases belonging to the silent information regulator 2 (Sir2) family...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28808064/obesity-and-aging-diminish-sirt1-mediated-deacetylation-of-sirt3-leading-to-hyperacetylation-and-decreased-activity-and-stability-of-sirt3
#17
Sanghoon Kwon, Sunmi Seok, Peter Yau, Xiaoling Li, Byron Kemper, Jongsook Kim Kemper
Sirtuin 3 (SIRT3) deacetylates and regulates many mitochondrial proteins to maintain health, but its functions are depressed in aging and obesity. The best-studied sirtuin, SIRT1, counteracts aging- and obesity-related diseases by deacetylating many proteins, but whether SIRT1 has a role in deacetylating and altering the function of SIRT3 is unknown. Here we show that SIRT3 is reversibly acetylated in the mitochondria and unexpectedly is a target of SIRT1 deacetylation. SIRT3 is hyperacetylated in aged and obese mice, in which SIRT1 activity is low, and SIRT3 acetylation at K57 inhibits its deacetylase activity and promotes protein degradation...
August 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28807878/sex-dependent-changes-in-lipid-metabolism-ppar-pathways-and-micrornas-that-target-ppars-in-the-fetal-liver-of-rats-with-gestational-diabetes
#18
Daiana Fornes, Verónica White, Romina Higa, Florencia Heinecke, Evangelina Capobianco, Alicia Jawerbaum
Gestational diabetes mellitus (GDM) is a prevalent disease that impairs fetal metabolism and development. We have previously characterized a rat model of GDM induced by developmental programming. Here, we analyzed lipid content, the levels of the three PPAR isotypes and the expression of microRNAs that regulate PPARs expression in the liver of male and female fetuses of control and GDM rats on day 21 of pregnancy. We found increased levels of triglycerides and cholesterol in the livers of male fetuses of GDM rats compared to controls, and, oppositely, reduced levels of triglycerides, cholesterol, phospholipids and free fatty acids in the livers of female fetuses of GDM rats compared to controls...
August 11, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28807841/racial-disparity-in-gastrointestinal-cancer-risk
#19
REVIEW
Hassan Ashktorab, Sonia S Kupfer, Hassan Brim, John M Carethers
Cancer from the gastrointestinal tract and its associated excretory organs will occur in over 300,000 Americans in 2017, with colorectal cancer responsible for over forty percent of that burden; there will be over 150,000 deaths from this group of cancers in the same time period. Disparities among subgroups related to these cancers' incidence and mortality exist. The epidemiology and risk factors associated with each cancer bear out differences for racial groups in the United States. Esophageal adenocarcinoma is more frequent in Non-Hispanic Whites, whereas esophageal squamous cell carcinoma with risk factors of tobacco and alcohol is more frequent among Blacks...
August 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28807102/bitter-melon-powder-protects-against-obesity-associated-fatty-liver-disease-by-improving-colonic-microenvironment-in-rats-with-high-fat-diet-induced-obesity
#20
Juan Bai, Ying Zhu, Ying Dong
This study explored how bitter melon powder (BMP) alters the colonic microenvironment during the development of obesity-associated fatty liver in rats. We observed that BMP effectively inhibited the body weight gain and lipid accumulation in the liver, ameliorated glucose intolerance, and increased the colon weight after an 8-week treatment compared to that in the high-fat diet (HFD) group. BMP significantly decreased fecal water toxicity towards HT-29 cells, as revealed by the cell counting kit (CCK)-8 assay results, and the mRNA expression of Toll-like receptor 4 (TLR4) in colon mucosa...
August 2017: Biomedical and Environmental Sciences: BES
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