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. 2019 Dec;51(6):393-402.
doi: 10.1007/s10863-019-09814-7. Epub 2019 Nov 25.

Effect of hydrogen-rich water on the Nrf2/ARE signaling pathway in rats with myocardial ischemia-reperfusion injury

Liangtong Li  1 , Tongtong Liu  2 , Li Liu  1 , Shaochun Li  1 , Zhe Zhang  1 , Ruisha Zhang  1 , Yujuan Zhou  3 , Fulin Liu  4
Affiliations

Effect of hydrogen-rich water on the Nrf2/ARE signaling pathway in rats with myocardial ischemia-reperfusion injury

Liangtong Li et al. J Bioenerg Biomembr. 2019 Dec.

Abstract

The effects of hydrogen-rich water on oxidative stress via the Nrf2/ARE signaling pathway were studied in rats with myocardial ischemia-reperfusion injury (MIRI). Sixty rats were randomly divided into a hydrogen-rich water group and a control group, with 30 rats in each group. The two groups were randomly divided into three groups: pre-ischemic period, ischemic period and reperfusion period. After the heart was removed, it was fixed in a Langendorff device and perfused with an oxygen-balanced 37 °C perfusate. The control group was perfused with Kreb's-Ringers (K-R) solution, and the hydrogen-rich water group was perfused with K-R solution + hydrogen-rich water. The levels of mRNA and protein of Nrf2, NQO1, HO-1 and SOD-1 in cardiomyocytes were detected by RT-qPCR, immunohistochemistry (IHC) and Western blot analysis. SOD activity and MDA content were determined. Hydrogen-rich water increased the activation of the Nrf2/ARE signaling pathway, and the levels of mRNA and protein Nrf2, NQO1, HO-1 and SOD-1 were significantly increased (P < 0.05) in the ischemia-reperfusion period compared with the ischemic period. In the control group, the levels of mRNA and protein of Nrf2, NQO1, HO-1 and SOD-1 were significantly decreased (P < 0.05) in the ischemia-reperfusion period compared with the ischemic period. Compared with the ischemic period, the ischemia-reperfusion phase showed significantly increased SOD activity and significantly decreased MDA content in the hydrogen-rich water group, while SOD activity was significantly decreased, and MDA content was significantly increased in the control group (P < 0.05). Hydrogen-rich water can activate the Nrf2/ARE signaling pathway, alleviate ischemia-reperfusion injury in isolated rat hearts and reduce the oxidative stress level of myocardial tissue.

Keywords: Hydrogen-rich water; MDA; Myocardial ischemia-reperfusion injury; Nrf2/ARE signaling pathway; Oxidative stress; SOD.

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