Abstract
Background
Baicalin has anti-inflammatory, antibacterial, blood platelet aggregation-inhibiting, free oxygen radical-clearing, and endotoxin-decreasing properties. However, its molecular mechanism involved in the treatment of Adriamycin-induced nephrotic syndrome (NS) is still unclear.
Objective
This study aimed to explore the effects of baicalin on Adriamycin-induced nephrotic syndrome (NS) and to characterize the genes involved in this progression.
Methods
We established Adriamycin-induced NS model in 32 rats and used six rats in Sham group. Urinary total protein content and creatinine serum were assessed as physiological indicators. H&E staining was used to observe the pathological changes. We determined gene expression profiles using transcriptome sequencing in the rat kidney tissues from Sham, Adriamycin, and Adriamycin + baicalin groups. KEGG was carried out to analyze the enriched pathways of differentially expressed genes among these groups.
Results
Baicalin treatment relieved renal injury in NS rats. Expression of 363 genes was significantly different between the Adriamycin and Adriamycin + baicalin M groups. Most of the differentially expressed genes were enriched in pathways involved in epithelial-mesenchymal transition (EMT), fibrosis, apoptosis, and inflammation.
Conclusions
Overall, these data suggest that Adriamycin-induced NS can be attenuated by baicalin through the suppression of fibrosis-related genes and inflammatory reactions. Baicalin is a potential drug candidate for the treatment of NS, and the identified genes represent potential therapeutic targets.




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Funding
This work was supported by the [Guangdong Science and Technology Research Project] under Grant [Number 2017A020215129]; [Shenzhen Scientific Techology Basic Research Projects] under Grant [Number JCYJ20160429183052202]; [Shenzhen Health and Family Planning Research Project] under Grant [Number 201606050]; and [Shenzhen Nanshan District Scientific Research Project] under Grant [Number 2015021].
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NT and S-DH made substantial contributions to the conception or design of the manuscript. NT, C-XS, H-JZ, D-YL, S-GH, and S-DH participated in the completion of the experiment. All authors were involved in drafting the manuscript or revising it critically for important intellectual content. All author gave final approval of manuscript and were accountable for all aspects of the work in ensuring the accuracy and integrity of this manuscript.
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Ning Tan, Chen-Xia Sun, Hui-Jun Zhu, De-Yu Li, Sheng-Guang Huang, and Shou-Di He declare that they have no conflict of interest.
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All experimental procedures performed on SD rats were approved by Traditional Chinese Medicine Department of Rheumatism, Huazhong University of Science and Technology Union Shenzhen Hospital (Nanshan Hospital).
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Tan, N., Sun, CX., Zhu, HJ. et al. Baicalin attenuates adriamycin-induced nephrotic syndrome by regulating fibrosis procession and inflammatory reaction. Genes Genom 43, 1011–1021 (2021). https://doi.org/10.1007/s13258-021-01107-x
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DOI: https://doi.org/10.1007/s13258-021-01107-x


