Renal ischemia-reperfusion (I/R), an important cause of acute kidney injury, is unavoidable during various types of operations, including renal transplantation, surgical revascularization of the renal artery, partial nephrectomy, and treatment of suprarenal aortic aneurysms. Exacerbation of I/R injury is mediated by reactive oxygen species (ROS). A recent study has shown that hydrogen has antioxidant properties. In this study, we tested …
Hydrogen protects against nephrotoxicity and early tumor promotional events in rats
The aim of this work was to test whether consumption with hydrogen-rich water (HW) alleviated renal injury and inhibited early tumor promotional events in Ferric nitrilotriacetate (Fe-NTA)-treated rats. Rats were injected with Fe-NTA solution (7.5mg Fe/kg body weight) intraperitoneally to induce renal injury and simultaneously treated with HW (1.3±0.2mg/l). We found that consumption with HW ameliorated Fe-NTA-induced renal injuries including …
Protective effect of hydrogen-rich water against gentamicin-induced nephrotoxicity
Authors assessed intrarenal oxygenation in gentamicin-induced nephrotoxicity (GIN) and the protective effect of hydrogen-rich water (HW) against GIN using blood oxygenation level-dependent magnetic resonance (MR) imaging. They acquired T(2)*-weighted images (T(2)*WI) of 21 rats on Days 0, 2, 4, and 7 using a 1.5-tesla MR imaging system. The rats were divided into 3 groups of seven each: control rats had …
Mechanism of the protective effect of hydrogen-rich water against nephrotoxicity in rats
The aim of this study was to assess the mechanism of the protective effect of hydrogen-rich water (HW) against cisplatin (CP)-induced nephrotoxicity in rats using blood oxygenation level-dependent (BOLD) magnetic resonance imaging (MRI). Apparent transverse relaxation time-weighted images (T2 WI) were acquired in 28 rats. The control group (n = 7) had free access to standard water (SW) and no …
Hydrogen inhibits glucose-induced reactive oxygen species production in the rat kidney
Reactive oxygen species (ROS) production induced by α,β-dicarbonyl compounds and advanced glycation end products causes renal dysfunction in patients with type 2 diabetes and metabolic syndrome. Hydrogen-rich water (HRW) increases the H2 level in blood and tissues, thus reducing oxidative stress in animals as well as humans. In this study, authors investigated the effects of HRW on glucose- and α,β-dicarbonyl …
Hydrogen-rich saline protects against renal ischemia/reperfusion injury in rats
Recently it has been demonstrated that hydrogen, as a novel antioxidant, can selectively reduce hydroxyl radicals (·OH) and peroxynitrite anion (ONOO-) in vitro and exert therapeutic antioxidant activity in many diseases. This study was designed to investigate the effect of hydrogen-rich saline on renal ischemia/reperfusion (I/R) injury in rats. A rat model of renal I/R injury was induced by 45-min …
Water with dissolved hydrogen suppresses ischemia-induced cardio-renal injury in rats
Hydrogen (H(2)) reportedly produces an antioxidative effect by quenching cytotoxic oxygen radicals. We studied the biological effects of water with dissolved H(2) on ischemia-induced cardio-renal injury in a rat model of chronic kidney disease (CKD). Dahl salt-sensitive rats (7 weeks old) were allowed ad libitum drinking of filtered water (FW: dissolved H(2), 0.00 ± 0.00 mg/L) or water with dissolved …
Protective effect of hydrogen-rich water against cisplatin-induced nephrotoxicity
The aim of this study was to assess the protective effect of hydrogen-rich water against cisplatin-induced nephrotoxicity in rats using dynamic contrast-enhanced CT (DCE-CT). DCE-CT studies were performed in 30 rats (8 weeks old) on days 0, 2, 4 and 7 using multidetector row CT. The rats were divided into three groups: a control group (n = 6) with free …
Oral hydrogen water prevents chronic allograft nephropathy
Reactive oxygen species (ROS) contribute to the development of interstitial fibrosis and tubular atrophy seen in chronic allograft nephropathy (CAN). As molecular hydrogen gas can act as a scavenger of ROS, we tested the effect of treatment with hydrogen water (HW) in a model of kidney transplantation, in which allografts from Lewis rats were orthotopically transplanted into Brown Norway recipients …
Molecular hydrogen alleviates nephrotoxicity induced by an anti-cancer drug
Cisplatin is a widely used anti-cancer drug in the treatment of a wide range of tumors; however, its application is limited by nephrotoxicity, which is affected by oxidative stress. We have reported that molecular hydrogen (H(2)) acts as an efficient antioxidant (Ohsawa et al. in Nat Med 13:688-694, 2007). Here we show that hydrogen efficiently mitigates the side effects of …
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