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Copyright (c) 2023 Juan Ji, Chaoyu Bi, Ling Tian, Shufeng Hou, Qian Ji, Song Li
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The undersigned hereby assign all rights, included but not limited to copyright, for this manuscript to CMB Association upon its submission for consideration to publication on Cellular and Molecular Biology. The rights assigned include, but are not limited to, the sole and exclusive rights to license, sell, subsequently assign, derive, distribute, display and reproduce this manuscript, in whole or in part, in any format, electronic or otherwise, including those in existence at the time this agreement was signed. The authors hereby warrant that they have not granted or assigned, and shall not grant or assign, the aforementioned rights to any other person, firm, organization, or other entity. All rights are automatically restored to authors if this manuscript is not accepted for publication.Szechwan Lovage Rhizome Extract Improves Renal Function and Alleviates Inflammatory Responses in Pyelonephritis Rats Infected with Escherichia Coli via IL-6/STAT3 Axis
Corresponding Author(s) : Song Li
Cellular and Molecular Biology,
Vol. 69 No. 3: Issue 3
Abstract
The objective of this study was to probe the effect and mechanism of Szechwan Lovage Rhizome (Chuanxiong, CX) extract on renal function (RF) and inflammatory responses (IRs) in acute pyelonephritis (APN) rats infected with Escherichia coli (E. coli). Fifteen SD rats were randomized to intervention, model and control groups. Rats in the control were fed normally without treatment, rats in the APN model were infected with E. coli, and rats in the intervention group were intragastrically administered CX extract after infection with E. coli. HE staining detected pathological changes in the kidney tissues in rats. Levels of renal function indexes and inflammatory factors (IFs) were measured by ELISA and an automatic biochemical analyzer. Besides, levels of IL-6/signal transducer and activator of transcription 3 (STAT3) pathway-related genes in rat kidney tissue were detected by qRT-PCR and western blot. the experimental results showed that IL-1β, IL-8, TNF-α and RF levels were the highest in the model group and the lowest in the control group, with those of the intervention group in between (P<0.05). Besides, the IL-6/STAT3 axis was markedly activated in the model group but inhibited in the intervention group (P<0.05). Subsequently, activated IL-6/STAT3 signal promoted IFs (IL-1β, IL-8 and TNF-α) and RF (BUN, Scr, β2-MG and UA), but this effect was offset after CX treatment (P<0.05). In conclusion, CX extract could improve RF and inhibit IRs of APN rats infected with E. coli by inhibiting the IL-6/STAT3 axis, which may be a new choice for APN treatment in the future.
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