Home General Physiology and Biophysics 2022 General Physiology and Biophysics Vol.41, No.5, p. 431–446, 2022

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Quarterly, 80 pp. per issue
Founded: 1982
ISSN  1338-4325 (online)

Published in English

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General Physiology and Biophysics Vol.41, No.5, p. 431–446, 2022

Title: Cerium oxide nanoparticles modulate liver X receptor and short heterodimer partner, and attenuate liver steatosis and steatohepatitis in a rat model of postmenopausal obesity
Author: Fatma M. Lebda, Sahar M. El Agaty, Radwa H. Ali, Ghada Galal Hamam, Aliaa M. Abd El-Monem, Noha N. Lasheen

Abstract:  This study aimed to investigate the effect of cerium oxide nanoparticles (CeO2-NPs) on non-alcoholic fatty liver disease in postmenopausal obesity and the underlying mechanisms.64 adult female rats were allocated into Sham, ovariectomized (OVX), high-fat high-fructose diet-fed-OVX (HFHF-OVX), and HFHF-OVX-CeO2-NPs-treated (CeO2-HFHF-OVX) groups. OVX and HFHF-OVX rats presented a significant increase in overall and visceral obesity, dyslipidemia, liver enzymes, serum malondialdehyde, liver TNF-α, TGF-β1 and free fatty acids, liver X receptor (LXR) expression associated with decreased serum total antioxidant capacity and liver short heterodimer partner (SHP) expression vs. Sham group. Also, histomorphometric studies displayed a significant higher scores of liver steatosis, inflammation and fibrosis. All these parameters were significantly improved by CeO2-NPs treatment in CeO2-HFHF-OVX vs. HFHF-OVX rats. Thus, CeO2-NPs treatment ameliorates liver steatosis, steatohepatitis, and fibrosis in postmenopausal obese rats via alleviation of obesity, dyslipidemia, modulating liver genes involved in lipid metabolism (LXR and SHP), decreasing liver lipogenesis besides its antioxidant and anti-inflammatory effects.

Keywords: Cerium — Liver X receptors — Nanoparticles — Non-alcoholic fatty liver disease — Obesity — Postmenopause
Published online: 27-Sep-2022
Year: 2022, Volume: 41, Issue: 5 Page From: 431, Page To: 446

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