JGH Open
Department of Medicine, Dunedin School of Medicine University of Otago Dunedin New Zealand.
Published: April 2018
Non-alcoholic fatty liver disease (NAFLD) is an increasingly common and potentially serious condition, which has emerged with the obesity epidemic. This disease can progress to cirrhosis and hepatocellular cancer. Associated comorbidities, such as cardiovascular disease and type 2 diabetes, are common. Obesity is the key risk factor and diet appears to be a critical factor in the pathogenesis of NAFLD. We reviewed studies undertaken on human subjects investigating which dietary components initiate excess hepatic triglyceride deposition. Most experimental diets used high-calorie excesses, or extreme proportions of fat or carbohydrate, not typical of current dietary patterns. Hypercaloric diets, where the additional calories were predominantly either fat or carbohydrates, increased intrahepatocellular lipids. The type of fat appeared important, with diets high in saturated fatty acids favoring hepatic fat accumulation which was substantially lower with polyunsaturated fatty acids. The effect of dietary fructose on markers of NAFLD did not appear to be worse than that of glucose. The initiation of excess hepatic triglycerides is likely to be a complex interaction of energy and nutrients with more than one dietary factor involved. It was not possible to disentangle the hepatic effects of excess energy from that of different macronutrient distributions in current literature. Further investigation is needed to determine the type of diet that is likely to lead to the development of NAFLD. A better understanding of the contribution of diet to pathogenesis of NAFLD would better inform prevention strategies.
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http://dx.doi.org/10.1002/jgh3.12040 | DOI Listing |
Eur J Prev Cardiol
January 2025
Department of Clinical Sciences and Community Health, University of Milan, Via Commenda 19, Milan 20122, Italy.
Liver Int
February 2025
Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, China.
Background: Metabolic associated fatty liver disease (MAFLD), previously defined as non-alcoholic fatty liver disease (NAFLD), has been shown to be closely related to many environmental pollutants. Lately, we found methyl tert-butyl ether (MTBE), a new environmental pollutant, could increase NAFLD risk in American adults, which still needs more population epidemiological studies to verify, and its pathogenic mechanism is not yet clear.
Methods: We conducted a cross-sectional study among petrol station workers, diagnosed their MAFLD according to internationally recognised diagnostic criteria, assessed the potential association of MTBE exposure with MAFLD risk, and explored the miR-18a-5p/PXR/SREBP2 pathway as possible pathogenic mechanisms in male Wistar rats and HepaRG cells treated with MTBE.
JAMA Netw Open
January 2025
Center for Value-Based Care Research, Cleveland Clinic, Cleveland, Ohio.
Importance: Metabolic dysfunction-associated steatotic liver disease (MASLD) is the most common cause of chronic liver disease and is projected to become the leading indication for liver transplant (LT) in the US. Understanding its clinical burden can help to identify opportunities for prevention and treatment.
Objective: To project the burden of MASLD in US adults from 2020 to 2050.
Nutr Rev
January 2025
Faculty of Medicine, Pelita Harapan University, Tangerang, Banten 15811, Indonesia.
The demonization of seed oils "campaign" has become stronger over the decades. Despite the dietary guidelines provided by nutritional experts recommending the limiting of saturated fat intake and its replacement with unsaturated fat-rich food sources, some health experts ignore the dietary guidelines and the available human research evidence, suggesting the opposite. As contrarians, these individuals could easily shift public opinion so that dietary behavior moves away from intake of unsaturated fat-rich food sources (including seed oils) toward saturated fats, which is very concerning.
View Article and Find Full Text PDFNaunyn Schmiedebergs Arch Pharmacol
January 2025
Department of Pharmacology and Toxicology, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11651, Cairo, Egypt.
The clinical use of dexamethasone (DXM) is associated with the development of non-alcoholic fatty liver disease (NAFLD). However, the mechanisms by which DXM-induced NAFLD is still incompletely known. Therefore, the current study aims to test the hypothesis that DXM-induced NAFLD is mediated by dysregulation of key genes involved in lipid metabolism and liraglutide (LG) can ameliorate these effects.
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