Δευτέρα 13 Απριλίου 2020

The Mechanisms of the Herbal Components of CRSAS on HK-2 Cells in a Hypoxia/Reoxygenation Model Based on Network Pharmacology

The Mechanisms of the Herbal Components of CRSAS on HK-2 Cells in a Hypoxia/Reoxygenation Model Based on Network Pharmacology:

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Background. Acute kidney injury is a global problem, which brings a great burden to the society and family. The component of rhubarb, Salvia miltiorrhiza, Astragalus membranaceus, and safflower (CRSAS) has been proved as an useful agent to treat acute kidney injury (AKI) patients in China. Objective. To assess the effect of CRSAS on human renal tubular epithelial cells (HK-2) after the hypoxia/reoxygenation (H/R) and investigate the potential mechanisms. Methods. Network pharmacology was used to predict the potential pathways shared by CRSAS and AKI. Cell counting kit-8 (CCK-8) was used to assess the HK-2 vitality. Apoptosis of HK-2 cells was detected by carboxyfluorescein succinimidyl ester/propidium iodide (CFSF/PI) staining. Expression of GRP78, CHOP, caspase-3, and Bax was detected by western blot and quantitative real-time RT-PCR. Result. CRSAS and AKI shared the endoplasmic reticulum stress (ERS) pathway based on network pharmacology analysis. CRSAS increases the vitality of HK-2 cells and reduces the apoptosis of HK-2 cells induced by H/R injury. The expression of GRP78 and CHOP in CRSAS groups was lower than that of control groups. Conclusions. H/R can induce HK-2 cell apoptosis and ERS. CRSAS can reduce HK-2 cell apoptosis by inhibiting the ERS. Therefore, CRSAS might be able to treat kidney disease due to I/R injury. Animal experiment should be done to further prove our finding.


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