期刊
EXPERIMENTAL AND THERAPEUTIC MEDICINE
卷 26, 期 5, 页码 -出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/etm.2023.12206
关键词
Salidroside; renal ischemia/reperfusion injury; oxidative stress; ferroptosis; PI3K/AKT
This study demonstrates the protective effects of Salidroside against renal ischemia/reperfusion injury (RIRI), including mitigation of oxidative damage, reduction of reactive oxygen species accumulation, and inhibition of ferroptosis. The protective mechanism is mediated through the activation of the PI3K/AKT signaling pathway.
Renal ischemia/reperfusion injury (RIRI) represents the principal factor underlying acute kidney injury (AKI), which primarily stems from cellular injuries and ferroptosis caused by reactive oxygen species (ROS). Salidroside (SA), an antioxidant natural ester, has been attributed with the potential to protect against RIRI. In the present study, rats received daily SA doses (1, 10, or 100 mg/kg) by gavage for 7 consecutive days before surgery. The results revealed aggravated renal injury in the RIRI group, which was effectively prevented by SA pretreatment (10 and 100 mg/kg), with the 1 mg/kg dosage demonstrating lesser efficacy. Additionally, the results indicated that SA pretreatment mitigated the RIRI-related upregulation of antioxidative superoxide dismutase. In vitro studies corroborated SA's ability to maintain hypoxia/reoxygenation-treated NRK cell viability, with the protective effect being observed at SA concentrations >= 1 mu M and peaking at 100 mu M. Furthermore, the results showed that SA safeguarded renal tubular epithelial cells from oxidative damage, reduced ROS accumulation, and inhibited ferroptosis via activation of the PI3K/AKT signaling pathway. Therefore, the results of the present study highlight the promising therapeutic potential of SA as an effective intervention for RIRI via targeting of PI3K/AKT signaling pathway-mediated anti-oxidative and anti-ferroptotic mechanisms.
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