scholarly journals Molecular characteristic of activin receptor IIB and its functions in growth and nutrient regulation in Eriocheir sinensis

PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e9673
Author(s):  
Jingan Wang ◽  
Kaijun Zhang ◽  
Xin Hou ◽  
Wucheng Yue ◽  
He Yang ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Lipid Metabolism ◽  
Mrna Expression ◽  
Fatty Acid Synthase ◽  
Eriocheir Sinensis ◽  
Negative Regulator ◽  
Control Group ◽  
Molting Cycle ◽  
Activin Receptor ◽  
Activin Receptor Iib

Activin receptor IIB (ActRIIB) is a serine/threonine-kinase receptor binding with transforming growth factor-β (TGF-β) superfamily ligands to participate in the regulation of muscle mass in vertebrates. However, its structure and function in crustaceans remain unknown. In this study, the ActRIIB gene in Eriocheir sinensis (Es-ActRIIB) was cloned and obtained with a 1,683 bp open reading frame, which contains the characteristic domains of TGF-β type II receptor superfamily, encoding 560 amino acids. The mRNA expression of Es-ActRIIB was the highest in hepatopancreas and the lowest in muscle at each molting stage. After injection of Es-ActRIIB double-stranded RNA during one molting cycle, the RNA interference (RNAi) group showed higher weight gain rate, higher specific growth rate, and lower hepatopancreas index compared with the control group. Meanwhile, the RNAi group displayed a significantly increased content of hydrolytic amino acid in both hepatopancreas and muscle. The RNAi group also displayed slightly higher contents of saturated fatty acid and monounsaturated fatty acid but significantly decreased levels of polyunsaturated fatty acid compared with the control group. After RNAi on Es-ActRIIB, the mRNA expressions of five ActRIIB signaling pathway genes showed that ActRI and forkhead box O (FoxO) were downregulated in hepatopancreas and muscle, but no significant expression differences were found in small mother against decapentaplegic (SMAD) 3, SMAD4 and mammalian target of rapamycin. The mRNA expression s of three lipid metabolism-related genes (carnitine palmitoyltransferase 1β (CPT1β), fatty acid synthase, and fatty acid elongation) were significantly downregulated in both hepatopancreas and muscle with the exception of CPT1β in muscles. These results indicate that ActRIIB is a functionally conservative negative regulator in growth mass, and protein and lipid metabolism could be affected by inhibiting ActRIIB signaling in crustacean.

scholarly journals Central Resistin Regulates Hypothalamic and Peripheral Lipid Metabolism in a Nutritional-Dependent Fashion

Endocrinology ◽  
2008 ◽  
Vol 149 (9) ◽  
pp. 4534-4543 ◽  
Author(s):  
María J. Vázquez ◽  
C. Ruth González ◽  
Luis Varela ◽  
Ricardo Lage ◽  
Sulay Tovar ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Lipid Metabolism ◽  
Mrna Expression ◽  
Fatty Acid Synthase ◽  
De Novo ◽  
Acid Synthesis ◽  
Inhibitory Effect ◽  
De Novo Lipogenesis ◽  
Dependent Manner ◽  
Fed State

Evidence suggests that the adipocyte-derived hormone resistin (RSTN) directly regulates both feeding and peripheral metabolism through, so far, undefined hypothalamic-mediated mechanisms. Here, we demonstrate that the anorectic effect of RSTN is associated with inappropriately decreased mRNA expression of orexigenic (agouti-related protein and neuropeptide Y) and increased mRNA expression of anorexigenic (cocaine and amphetamine-regulated transcript) neuropeptides in the arcuate nucleus of the hypothalamus. Of interest, RSTN also exerts a profound nutrition-dependent inhibitory effect on hypothalamic fatty acid metabolism, as indicated by increased phosphorylation levels of both AMP-activated protein kinase and its downstream target acetyl-coenzyme A carboxylase, associated with decreased expression of fatty acid synthase in the ventromedial nucleus of the hypothalamus. In addition, we also demonstrate that chronic central RSTN infusion results in decreased body weight and major changes in peripheral expression of lipogenic enzymes, in a tissue-specific and nutrition-dependent manner. Thus, in the fed state central RSTN is associated with induced expression of fatty acid synthesis enzymes and proinflammatory cytokines in liver, whereas its administration in the fasted state does so in white adipose tissue. Overall, our results indicate that RSTN controls feeding and peripheral lipid metabolism and suggest that hepatic RSTN-induced insulin resistance may be mediated by central activation of de novo lipogenesis in liver.

Impacts of Dietary Protein from Fermented Cottonseed Meal on Lipid Metabolism and Metabolomic Profiling in the Serum of Broilers

2020 ◽  
Vol 21 (8) ◽  
pp. 812-820
Author(s):  
Cunxi Nie ◽  
Yongqiang Wang ◽  
Yanfeng Liu ◽  
Jiancheng Liu ◽  
Wenxia Ge ◽  
...  
Keyword(s):  
Enzyme Activity ◽  
Fatty Acid ◽  
Lipid Metabolism ◽  
Cottonseed Meal ◽  
Dietary Protein ◽  
Fatty Acid Synthase ◽  
Hormone Sensitive Lipase ◽  
Control Group ◽  
Essential Information ◽  
Fermented Cottonseed Meal

Dietary protein from fermented cottonseed meal (FCSM), widely used in poultry diets in China, had regulating effects on lipid metabolism. To understand the effects of FCSM on lipid metabolism in broilers, we analyzed the biochemical indexes, enzyme activity, hormone level and metabolites in serum responses to FCSM intake. One hundred and eighty 21-d-old Chinese yellow feathered broilers (536.07±4.43 g) were randomly divided into 3 groups with 6 replicates and 3 diets with 6 % supplementation of unfermented CSM (control group), FCSM by C. Tropicalis (Ct CSM) or C. tropicalis plus S. Cerevisae (Ct-Sc CSM). Result showed that: (1) FCSM intake decreased significantly the content of triglyceride (TAG), total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) (P<0.05) in serum; (2) FCSM intake could significantly increase enzyme activity of acetyl CoA carboxylase (ACC), lipoprotein lipase (LPL), fatty acid synthase (FAS) and hormone sensitive lipase (HSL) (P<0.05); (3) Ct-Sc CSM intake increased significantly the levels of adiponectin (ADP) (P<0.05); (4) FCSM intake caused significant metabolic changes involving glycolysis, TCA cycle, synthesis of fatty acid and glycogen, and metabolism of glycerolipid, vitamins B group and amino acids. Our results strongly suggested that FCSM intake could significantly affect lipid metabolism via multiple pathways. These findings provided new essential information about the effect of FCSM on broilers and demonstrated the great potential of nutrimetabolomics, through which the research complex nutrients are included in animal diet.

scholarly journals Astaxanthin lowers plasma TAG concentrations and increases hepatic antioxidant gene expression in diet-induced obesity mice

2014 ◽  
Vol 112 (11) ◽  
pp. 1797-1804 ◽  
Author(s):  
Yue Yang ◽  
Tho X. Pham ◽  
Casey J. Wegner ◽  
Bohkyung Kim ◽  
Chai Siah Ku ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Mrna Expression ◽  
Fatty Acid Synthase ◽  
Plasma Concentrations ◽  
Control Group ◽  
Related Factor ◽  
Mrna Levels ◽  
Alcoholic Fatty Liver ◽  
Antioxidant Genes ◽  
Endogenous Antioxidant

Non-alcoholic fatty liver disease (NAFLD) is significantly associated with hyperlipidaemia and oxidative stress. We have previously reported that astaxanthin (ASTX), a xanthophyll carotenoid, lowers plasma total cholesterol and TAG concentrations in apoE knockout mice. To investigate whether ASTX supplementation can prevent the development of NAFLD in obesity, male C57BL/6J mice (n 8 per group) were fed a high-fat diet (35 %, w/w) supplemented with 0, 0·003, 0·01 or 0·03 % of ASTX (w/w) for 12 weeks. The 0·03 % ASTX-supplemented group, but not the other groups, exhibited a significant decrease in plasma TAG concentrations, suggesting that ASTX at a 0·03 % supplementation dosage exerts a hypotriacylglycerolaemic effect. Although there was an increase in the mRNA expression of fatty acid synthase and diglyceride acyltransferase 2, the mRNA levels of acyl-CoA oxidase 1, a critical enzyme in peroxisomal fatty acid β-oxidation, exhibited an increase in the 0·03 % ASTX-supplemented group. There was a decrease in plasma alanine transaminase (ALT) and aspartate transaminase (AST) concentrations in the 0·03 % ASTX-supplemented group. There was a significant increase in the hepatic mRNA expression of nuclear factor erythroid 2-related factor 2 and its downstream genes, which are critical for endogenous antioxidant mechanism, in the 0·03 % ASTX-supplemented group. Furthermore, there was a significant decrease in the mRNA abundance of IL-6 in the primary splenocytes isolated from the 0·03 % ASTX-supplemented group upon lipopolysaccharide (LPS) stimulation when compared with that in the splenocytes isolated from the control group. In conclusion, ASTX supplementation lowered the plasma concentrations of TAG, ALT and AST, increased the hepatic expression of endogenous antioxidant genes, and rendered splenocytes less sensitive to LPS stimulation. Therefore, ASTX may prevent obesity-associated metabolic disturbances and inflammation.

Abstract P175: Chronic Exercise Attenuates Blood Pressure Elevation and Albuminuria With Improvement of Renal Lipid Metabolism in High Fructose-fed Rats

Hypertension ◽  
2017 ◽  
Vol 70 (suppl_1) ◽  
Author(s):  
Gaizun Hu ◽  
Osamu Ito ◽  
Lusi Xu
Keyword(s):  
Blood Pressure ◽  
Fatty Acid ◽  
Lipid Metabolism ◽  
Fatty Acid Synthase ◽  
Control Group ◽  
Chronic Exercise ◽  
Blood Pressure Elevation ◽  
Pressure Elevation ◽  
High Fructose ◽  
Renal Expression

High fructose diet (HFr) can lead to metabolic disorder, hypertension, and renal disease. Although chronic exercise (Ex) provides various beneficial effects on hypertension and kidney disease, the precise mechanism is not fully clarified. Thus, present study examined the effects of Ex on the blood pressure, renal function and renal lipid metabolism in rats fed with HFr. Sprague-Dawley rats were allocated to 3 groups. The HFr and Ex groups were fed with HFr (60%, w/w), the control group was fed with the diet in which fructose was replaced by starch. The Ex group underwent treadmill exercise at aerobic intensity. After 12 weeks, renal triglyceride (TG) content were measured, and expression of enzymes and regulators of fatty acid metabolism were analyzed by Western blot. HFr increased systolic blood pressure (SBP) and albuminuria and Ex decreased the HFr-increased SBP and albuminuria (85±4 vs. 122±9 vs. 91±4 mmHg, P<0.01, 326±67 vs. 534±79 vs. 176±54 mg/day, P<0.01). HFr increased plasma TG and uric acid (UA) and Ex decreased the HFr-increased TG and UA (124±20 vs. 474±35 vs. 238±23 mg/dL, P<0.01, 1.15±0.10 vs. 2.14±0.10 vs. 1.50±0.13 mg/dL, P<0.01), whereas HFr or Ex did not affect plasma creatinine. HFr increased renal TG content and Ex decreased the HFr-increased TG content (12.2±0.5 vs. 14.1±0.5 vs. 10.3±1.1 mg/100mg tissue, P<0.01). Among enzymes of fatty acid synthesis, HFr increased the renal expression of fatty acid synthase (FAS), and Ex decrease the expression of FAS (P<0.01). Among enzymes and regulators of fatty acid oxidation, HFr decreased the renal expression of PPARα, carnitine palmitoyltransferase I (CPTI), medium-chain acyl-CoA dehydrogenase (MCAD) (P<0.05), and Ex increased the expression of PPARα, CPTI, MCAD, and acyl-coenzyme A oxidase (ACOX). These results indicated that Ex attenuates blood pressure elevation, albuminuria with an improvement of renal lipid metabolism in the HFr-fed rats. These effects of Ex may relate to an improvement of the renal lipid metabolism.

Placental Accumulation of Triacylglycerols in Gestational Diabetes Mellitus and Its Association with Altered Fetal Growth are Related to the Differential Expressions of Proteins of Lipid Metabolism

2020 ◽  
Author(s):  
Manoharan Balachandiran ◽  
Zachariah Bobby ◽  
Gowri Dorairajan ◽  
Sajini Elizabeth Jacob ◽  
Victorraj Gladwin ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Fatty Acid ◽  
Lipid Metabolism ◽  
Gestational Diabetes ◽  
Gestational Diabetes Mellitus ◽  
Fetal Growth ◽  
Fatty Acid Synthase ◽  
Regulatory Element ◽  
Acid Oxidation ◽  
Placental Proteins

Abstract Introduction Gestational diabetes mellitus (GDM) exhibit altered placental lipid metabolism. The molecular basis of this altered metabolism is not clear. Altered placental expression of proteins of lipogenesis and fatty acid oxidation may be involved in the placental accumulation of triacylglycerols (TG). The present study was aimed at investigating the differential expressions of placental proteins related to lipid metabolism among GDM women in comparison with control pregnant women (CPW) and to correlate them with maternal and fetal lipid parameters as well as altered fetal growth. Materials and Methods Maternal blood, cord blood, and placental samples were collected from GDM and CPW. The biochemical parameters, glucose, lipid profile and free fatty acids (FFA) were measured. The placental TG content was measured. Differential placental expressions of proteins; phosphatidylinositol-3-kinase (PI3K) p85α, PI3K p110α,liver X receptor alpha (LXRα), sterol regulatory element binding protein1(SREBP1), fatty acid synthase (FAS), stearyl CoA desaturase1 (SCD1), lipoprotein lipase (LPL),Peroxisome proliferator-activated receptor (PPAR)α and PPARγ were analysed by western blotting and immunohistochemistry. Results Placental protein expressions of PI3K p110α, LXRα, FAS, SCD1, and LPL were found to be significantly higher, whereas PPARα and PPARγ were lower in GDM women compared with CPW. The placental TG content and cord plasma FFA were increased in GDM women compared with CPW. The placental TG content positively correlated with Ponderal index of GDM new-borns. Conclusion Differential expressions of placental proteins related to lipid metabolism in GDM might have led to placental TG accumulation. This might have contributed to the fetal overgrowth in GDM.

scholarly journals Diospyros kaki and Citrus unshiu Mixture Improves Disorders of Lipid Metabolism in Nonalcoholic Fatty Liver Disease

2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Mi-Rae Shin ◽  
Sung Ho Shin ◽  
Seong-Soo Roh
Keyword(s):  
Fatty Acid ◽  
Lipid Metabolism ◽  
Liver Disease ◽  
Fatty Liver ◽  
Nonalcoholic Fatty Liver Disease ◽  
Fatty Liver Disease ◽  
Fatty Acid Synthase ◽  
Diospyros Kaki ◽  
Citrus Unshiu ◽  
Nonalcoholic Fatty Liver

Nonalcoholic fatty liver disease (NAFLD) has been a major cause of a chronic liver disease over recent decades and increasing worldwide in parallel with the remarkable growth of obesity. In the present study, we investigate the ameliorative effects of PCM, a combination of Diospyros kaki fruit and Citrus unshiu peel mixture, on high-fat diet- (HFD-) induced NAFLD and clarify the potential mechanisms. PCM in HFD-fed mice was orally administered at a dose of 50 or 100 mg/kg subsequently for 2 months. Thereafter, lipid metabolism parameters and fat synthesis-related genes in the mouse liver were evaluated. Subsequently, body weight changes, liver weight, serum liver function and lipid profiles, and liver pathology were examined, and the relative levels of fatty acid synthesis and β-oxidation gene expression were evaluated by western blot. Serum AST, ALT, and TG levels in the HFD control mice were significantly higher than those of normal mice. Compared with HFD control mice, PCM supplementation increased phosphorylation of AMP-activated protein kinase (AMPK). Peroxisome proliferator-activated receptor (PPAR) α was significantly increased by PCM administration. Continuously, the activation of PPARα significantly elevated carnitine palmitoyltransferase 1 (CPT-1), a key enzyme in fatty acid β-oxidation, and mitochondrial uncoupling protein 2 (UCP-2), thermogenic regulatory genes, in PCM-treated mice compared with those of HFD control mice. Moreover, PCM inhibits lipogenesis and cholesterol synthesis via suppression of sterol regulatory element binding protein-1 (SREBP-1) and SREBP-2 and its target genes such as acetyl-CoA carboxylase (ACC), fatty acid synthase (FAS), stearoyl-CoA desaturase-1 (SCD-1), and 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCR). Taken together, these effects were mediated through activation of AMPK. In the conclusion, PCM improved liver damage in HFD-fed mice and attenuated NAFLD by the activation of PPARα and the inhibition of SREBPs expression via AMPK-dependent pathways.

scholarly journals Supplementing calcium salts of soybean oil to beef steers early in life to enhance carcass development and quality1

2019 ◽  
Vol 97 (10) ◽  
pp. 4182-4192 ◽  
Author(s):  
Kelsey M Schubach ◽  
Reinaldo F Cooke ◽  
Alice P Brandão ◽  
Osvaldo A de Sousa ◽  
Thiago F Schumaher ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Soybean Oil ◽  
Mrna Expression ◽  
Fatty Acid Synthase ◽  
Carcass Traits ◽  
Plasma Concentrations ◽  
Beef Steers ◽  
Creep Feeding ◽  
Fatty Acid Binding ◽  
Ppar Γ

Abstract This study evaluated the effects of supplementing Ca salts of soybean oil (CSSO) to beef steers at 2 mo of age via creep-feeding, and/or during a 40-d preconditioning period on performance and carcass development responses. A total of 64 steers were enrolled in this study over 2 yr (32 steers per year), with 4 periods each year: creep-feeding (CF; day 0 to 60), preweaning (day 61 to weaning on day 124 and 127 of year 1 and 2, respectively), preconditioning (PC; day 132 to 172 in year 1 and day 135 to 175 of year 2), and feedlot (feedlot arrival to slaughter, day 173 to 378 in year 1 and day 176 to 385 in year 2). On day 0 steers were ranked by body weight (BW) and age (114 ± 4 kg of BW; 66.1 ± 0.9 d of age) and allocated to 1 of 16 pens. Pens were randomly assigned to receive CSSO during CF (80 g/d per steer) and/or PC (150 g/d per steer) in a 2 × 2 factorial arrangement of treatments. During CF and PC, nonsupplemented steers (CON) were provided an isolipidic prilled saturated fat supplement. Steer BW was recorded on day 0, 60, at weaning, and prior to feedlot shipping. Carcass traits were recorded upon slaughter. On day 0, 60, at weaning, prior to feedlot shipping, and during the feedlot period, blood samples were collected and longissimus muscle (LM) biopsies were collected. On day 60, steers that received CSSO during CF had greater (P < 0.01) plasma concentrations of linoleic and ω-6 compared with CON (CF treatment × day; P ≤ 0.05). Steers that received CSSO during PC had greater (P < 0.01) plasma concentrations of linoleic, ω-6, and total fatty acids compared with CON at feedlot shipping (PC treatment × day; P ≤ 0.05). A PC treatment × day interaction was also detected (P = 0.04) for mRNA expression of peroxisome proliferator-activated receptor gamma (PPAR-γ), which was greater (P = 0.04) at feedlot shipping for steers receiving CSSO during PC. Interactions between CF treatment × day were detected (P ≤ 0.01) for mRNA expression of adipocyte fatty acid-binding protein, fatty acid synthase, PPAR-γ, and stearoyl-CoA desaturase, which were greater (P ≤ 0.02) in the feedlot in steers receiving CSSO during CF. No treatment differences were detected for (P ≥ 0.18) performance or carcass traits, including marbling and backfat thickness. Results from this study suggest that supplementing CSSO to suckled beef steers via creep-feeding upregulated mRNA expression of the adipogenic genes investigated herein later in life. These outcomes, however, were not translated into improved carcass quality.

scholarly journals Effect of Breed on Transcriptional and Protein Expression of Lipogenic Enzymes in Tail and Subcutaneous Adipose Tissue from Two Grazing Breeds of Lambs

Animals ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 64
Author(s):  
María Gallardo ◽  
Luis Arias-Darraz ◽  
Juan Cárcamo
Keyword(s):  
Fatty Acid ◽  
Protein Expression ◽  
Mrna Expression ◽  
Fatty Acid Synthase ◽  
Regulatory Element ◽  
Subcutaneous Fat ◽  
Human Consumption ◽  
Meat Industry ◽  
Lipogenic Enzymes ◽  
Expression Levels

This experiment was carried out to determine the effect of breed on mRNA and protein expression levels of lipogenic enzymes acetyl-CoA carboxylase α (ACC), fatty acid synthase (FAS), stearoyl-CoA desaturase 1 (SCD1) plus sterol regulatory element binding transcription factor 1c (SREBP1c) in the subcutaneous fat (SCF) from the back of the animal, and tail fat (TF) of both Chilota and Suffolk Down lambs grazing Calafatal. Eight Chilota and six Suffolk Down 2-month-old male lambs were allocated to graze a “Calafatal”, a typical secondary succession of Chiloé Archipelago, Chile. After 62 d, lambs were slaughtered according to Chile’s meat industry standards. Fatty acid profile, RT-qPCR, and Western blot analyses from SCF and TF samples were performed. Although the mRNA expression levels of ACC, FAS, SCD1 and SREBP1c in SCF did not differ significantly between breeds (p > 0.05), a trend to higher mRNA expression of FAS and SREBP1c in TF from Chilota lambs was observed (p = 0.06). On the other hand, FAS levels in SCF were higher in Chilota than in Suffolk Down lambs (p < 0.02), although Suffolk Down showed higher fat contents and saturated fatty acid (SFA) proportions than Chilota lambs (p < 0.01). The FAS protein expression in TF was similar in both breeds (p > 0.05). Although the fat content was higher in Suffolk Down than in Chilota lambs (p < 0.01), the SFA proportions were similar in both breeds. Finally, it can be concluded that although mRNA expression of enzymes was similar in both breeds, there were differences in some protein levels in the SCF, partially related with the fatty acid profiles, thus affecting the selection of lamb breed either for human consumption or experimental purposes.

scholarly journals Fisetin Protects Against Hepatic Steatosis Through Regulation of the Sirt1/AMPK and Fatty Acid β-Oxidation Signaling Pathway in High-Fat Diet-Induced Obese Mice

2018 ◽  
Vol 49 (5) ◽  
pp. 1870-1884 ◽  
Author(s):  
Chian-Jiun Liou ◽  
Ciao-Han Wei ◽  
Ya-Ling Chen ◽  
Ching-Yi Cheng ◽  
Chia-Ling Wang ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Lipid Metabolism ◽  
Hepatic Steatosis ◽  
Lipid Accumulation ◽  
High Fat Diet ◽  
Fatty Acid Synthase ◽  
Epididymal Adipose Tissue ◽  
Obese Mice ◽  
High Fat

Background/Aims: Fisetin is a naturally abundant flavonoid isolated from various fruits and vegetables that was recently identified to have potential biological functions in improving allergic airway inflammation, as well as anti-oxidative and anti-tumor properties. Fisetin has also been demonstrated to have anti-obesity properties in mice. However, the effect of fisetin on nonalcoholic fatty liver disease (NAFLD) is still elusive. Thus, the present study evaluated whether fisetin improves hepatic steatosis in high-fat diet (HFD)-induced obese mice and regulates lipid metabolism of FL83B hepatocytes in vitro. Methods: NAFLD was induced by HFD in male C57BL/6 mice. The mice were then injected intraperitoneally with fisetin for 10 weeks. In another experiment, FL83B cells were challenged with oleic acid to induce lipid accumulation and treated with various concentrations of fisetin. Results: NAFLD mice treated with fisetin had decreased body weight and epididymal adipose tissue weight compared to NAFLD mice. Fisetin treatment also reduced liver lipid droplet and hepatocyte steatosis, alleviated serum free fatty acid, and leptin concentrations, significantly decreased fatty acid synthase, and significantly increased phosphorylation of AMPKα and the production of sirt-1 and carnitine palmitoyltransferase I in the liver tissue. In vitro, fisetin decreased lipid accumulation and increased lipolysis and β-oxidation in hepatocytes. Conclusion: This study suggests that fisetin is a potential novel treatment for alleviating hepatic lipid metabolism and improving NAFLD in mice via activation of the sirt1/AMPK and β-oxidation pathway.

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