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Effect of Modified Shengjiangsan on Notch Signal Pathway and Podocyte Apoptosis in MN Rats / 中国实验方剂学杂志
Article in Chinese | WPRIM | ID: wpr-905829
Responsible library: WPRO
ABSTRACT

Objective:

The purpose of this article was to observe the effect of modified Shengjiangsan on podocyte apoptosis in membranous nephropathy (MN) rats, to explore the molecular mechanism of its treatment of MN and to provide experimental basis for its clinical application.

Method:

The MN rat model was established by injection of cationic bovine serum albumin into the tail vein of rats. The successfully modeled rats were then randomly divided into model group (equal volume of normal saline), modified Shengjiangsan group (27.3 g·kg<sup>-1</sup>) and benazepril group (10 mg·kg<sup>-1</sup>), with corresponding drug dosage once a day for 4 weeks of continuous intervention. After drug administration, the 24-hour urine proteinUTP) was detected. Real time fluorescent quantitative polymerase chain reactionReal-time PCR) and immunohistochemical (IHC) methods were used to detect Podocalyxin, Nephrin, Podocin, Synaptopodin mRNA and protein expression levels in rat kidney tissue. terninal-deoxynucleoitidyl transferase medsated nick and labeling (TUNELmethod was used to detect cell apoptosis rate in rat kidney tissue, and Western blot was used to detect Notch1, Hes1, B lymphoblastoma-2 (Bcl-2) associated X protein (Bax), and Bcl-2 protein expression levels in rat kidney tissue.

Result:

Compared with the normal group, UTP in the model group increased significantly, renal tissue cell apoptosis increased significantly, podocyte marker proteins podocalyxin, Nephrin, Podocin, Synaptopodin mRNA and protein expression levels decreased significantly, and Notch1, Hes1, Bax protein expression increased significantly, and Bcl-2 protein expression was significantly reduced(<italic>P</italic><0.05). Compared with the model group, UTP levels in MN rats were significantly reduced in modified Shengjiangsan and benazepril groups, with reduced rate of renal cell apoptosis, increased mRNA and protein expression levels of podocalyxin, Nephrin, Podocin, and Synaptopodin in renal tissue, decreased Notch1, Hes1, Bax protein expression, and increased Bcl-2 protein expression(<italic>P</italic><0.05).

Conclusion:

Modified Shengjiangsan can inhibit the Notch signaling pathway, reduce the apoptosis of rat kidney tissue podocytes, and reduce the kidney injury of MN rats.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2021 Type: Article