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Article

Ellagic Acid Affects Metabolic and Transcriptomic Profiles and Attenuates Features of Metabolic Syndrome in Adult Male Rats

1
Institute of Biology and Medical Genetics, The First Faculty of Medicine, Charles University and The General University Hospital, 121 08 Prague, Czech Republic
2
Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
*
Author to whom correspondence should be addressed.
Academic Editors: Cristiana Caliceti and Silvia Cetrullo
Nutrients 2021, 13(3), 804; https://doi.org/10.3390/nu13030804
Received: 29 January 2021 / Revised: 23 February 2021 / Accepted: 25 February 2021 / Published: 1 March 2021
Ellagic acid, a natural substance found in various fruits and nuts, was previously shown to exhibit beneficial effects towards metabolic syndrome. In this study, using a genetic rat model of metabolic syndrome, we aimed to further specify metabolic and transcriptomic responses to ellagic acid treatment. Adult male rats of the SHR-Zbtb16Lx/k.o. strain were fed a high-fat diet accompanied by daily intragastric gavage of ellagic acid (50 mg/kg body weight; high-fat diet–ellagic acid (HFD-EA) rats) or vehicle only (high-fat diet–control (HFD-CTL) rats). Morphometric and metabolic parameters, along with transcriptomic profile of liver and brown and epididymal adipose tissues, were assessed. HFD-EA rats showed higher relative weight of brown adipose tissue (BAT) and decreased weight of epididymal adipose tissue, although no change in total body weight was observed. Glucose area under the curve, serum insulin, and cholesterol levels, as well as the level of oxidative stress, were significantly lower in HFD-EA rats. The most differentially expressed transcripts reflecting the shift induced by ellagic acid were detected in BAT, showing downregulation of BAT activation markers Dio2 and Nr4a1 and upregulation of insulin-sensitizing gene Pla2g2a. Ellagic acid may provide a useful nutritional supplement to ameliorate features of metabolic syndrome, possibly by suppressing oxidative stress and its effects on brown adipose tissue. View Full-Text
Keywords: metabolic syndrome; ellagic acid; brown adipose tissue; insulin resistance; oxidative stress metabolic syndrome; ellagic acid; brown adipose tissue; insulin resistance; oxidative stress
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MDPI and ACS Style

Kábelová, A.; Malínská, H.; Marková, I.; Oliyarnyk, O.; Chylíková, B.; Šeda, O. Ellagic Acid Affects Metabolic and Transcriptomic Profiles and Attenuates Features of Metabolic Syndrome in Adult Male Rats. Nutrients 2021, 13, 804. https://doi.org/10.3390/nu13030804

AMA Style

Kábelová A, Malínská H, Marková I, Oliyarnyk O, Chylíková B, Šeda O. Ellagic Acid Affects Metabolic and Transcriptomic Profiles and Attenuates Features of Metabolic Syndrome in Adult Male Rats. Nutrients. 2021; 13(3):804. https://doi.org/10.3390/nu13030804

Chicago/Turabian Style

Kábelová, Adéla, Hana Malínská, Irena Marková, Olena Oliyarnyk, Blanka Chylíková, and Ondřej Šeda. 2021. "Ellagic Acid Affects Metabolic and Transcriptomic Profiles and Attenuates Features of Metabolic Syndrome in Adult Male Rats" Nutrients 13, no. 3: 804. https://doi.org/10.3390/nu13030804

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