Correlation between ratio of Nrf2/Keap1 and catalase gene expression in liver of hyperlipidemic rats after administration of 7-hydroxy-2-(4-hydroxy- 3-methoxyphenyl)-chromen-4-one
https://doi.org/10.19106/JMedScie/005101201903
. Prasetyastuti
(1*) , Dianandha Septiana Rubi
(2) , Abrory Agus Cahya Pramana
(3) , Ahmad Hamim Sadewa
(4)
(1) Department of Biochemistry, Faculty of Medicine, Public Health and Nursing,
Universitas Gadjah Mada, Yogyakarta
(2) Department of Biochemistry, Faculty of Medicine, Public Health and Nursing,
Universitas Gadjah Mada, Yogyakarta
(3) Department of Biochemistry, Faculty of Medicine, Public Health and Nursing,
Universitas Gadjah Mada, Yogyakarta
(4) Department of Biochemistry, Faculty of Medicine, Public Health and Nursing,
Universitas Gadjah Mada, Yogyakarta
(*) Corresponding Author
Abstract
Hyperlipidemia results in excessive superoxide anion radicals that are the cause of oxidative stress. Phytochemical compounds can reduce oxidative stress. The aim of this study was to investigate the correlations between ratio of Nrf2/Keap1 and catalase gene expression in livers of hyperlipidemic rats after administration of 7-hydroxy-2-(4-hydroxy- 3-methoxyphenyl)-chromen-4-one. Twenty-four Rattus norvegicus rats, aged 8 weeks and weighing an average of 200 g were randomly divided into 6 groups i.e. Group 1 was normal group (N), Group 2 was hyperlipidemic rats (HL), Group 3 was hyperlipidemic rats with simvastatin (HL+SV), and Groups 4-6 were hyperlipidemic rats with 7-hydroxy- 2-(4-hydroxy-3-methoxyphenyl)-chromen-4-one doses 10 mg (HL+10), 30 mg (HL+30) or 90 mg/200 g BW (HL+90), respectively, administered orally by gavages. At the end of the study, the rats were euthanized and the livers were used to analyze the ratio of Nrf2/ Keap 1 and catalase gene expression. Nrf2/Keap1 ratio and catalase gene expression between groups were analyzed by Kruskal Wallis test. Spearman’s correlation test was used to analyze the correlations between Nrf2/Keap1 ratio and catalase gene expression. The administration of 3 different doses of 7-hydroxy-2-(4-hydroxy-3-methoxyphenyl)- chromen-4-one on hyperlipidemic rats increased catalase gene expression. There was no correlation between ratio Nrf2/Keap1 and catalase gene expression. In conclusion, administration of 7-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-chromen-4-one can improve catalase gene expression in hyperlipidemic rats. However, there is no correlation between the ratio of Nrf2/Keap1 gene expression and the catalase gene expression.
Keywords
Keap1 - Nrf2 - catalase - hyperlipidemia - liver - gene expression
DOI:
https://doi.org/10.19106/JMedScie/005101201903
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Copyright (c) 2019 . Prasetyastuti, Dianandha Septiana Rubi, Abrory Agus Cahya Pramana, Ahmad Hamim Sadewa
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Creative Commons Attribution-NonCommercial 4.0 International License .
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