
The mechanism of Danggui Buxue Decoction combined with Ginseng in improving renal interstitial fibrosis in rats with unilateral ureteral obstruction by regulating the Notch signaling pathway
QIU Saiyue, TANG Lu, LUO Meixiu, PIAO Songlan, WANG Yinghang, PAN Zhi
Chinese Journal of Hospital Pharmacy ›› 2025, Vol. 45 ›› Issue (2) : 128-134.
The mechanism of Danggui Buxue Decoction combined with Ginseng in improving renal interstitial fibrosis in rats with unilateral ureteral obstruction by regulating the Notch signaling pathway
OBJECTIVE To investigate the mechanism of Danggui Buxue Decoction combined with Ginseng in improving renal interstitial fibrosis (RIF) in rats with unilateral ureteral obstruction (UUO) by regulating the Notch signaling pathway. METHODS A total of 56 Wistar rats in the specific pathogen free (SPF) level were randomly divided into sham operation (Sham) group, UUO group, losartan potassium (RX) group, Danggui Buxue Decoction (DBD) group (3.75 g·kg–1, 7.5 g·kg–1), and Danggui Buxue Decoction combined with Ginseng (GDBD) group (4.4 g·kg–1, 8.8 g·kg–1). Rats in the Sham group were stripped of the ureter without ligation, and those in the remaining groups were subjected to unilateral ureteral ligation to construct a RIF model in rats with UUO. Serum blood urea nitrogen (BUN) and creatinine (Cr) were detected by biochemical analyzer. Serum TGF-β1, TNF-α and α-SMA in rats were detected by Enzyme-linked immunosorbent assay (ELISA). H&E and Masson’s trichrome staining were used to observe the pathological changes and collagen fiber deposition of the kidney tissue. polymerase chain reaction(PCR) and Western blot were applied to detect the mRNA and protein levels of Notch1, JAG1 and HES1 in rat kidney tissue, respectively. RESULTS Compared with Sham group, rats in the UUO group had abnormal renal function, increased serum levels of kidney injury and fibrosis markers (TGF-β1, TNF-α, α-SMA), and upregulated mRNA and protein levels of Notch1, JAG1 and HES1. Compared with the UUO group, opposite changing trends were observed in rats with drug administration. There were significant differences in the levels of BUN, Cr, α-SMA, Notch1, JAG1 and HES1 between DBD and GDBD groups. CONCLUSION Ginseng has a synergistic effect on DBD in delaying RIF. GDBD plays an important role in delaying RIF in UUO rats by downregulating TGF-β1 and regulating the Notch signaling pathway.
Danggui Buxue Decoction / ginseng / Notch signaling pathway / unilateral ureteral obstruction / renal interstitial fibrosis {{custom_keyword}} /
Tab 1 Primers used in real-time qPCR表1 实时qPCR引物 |
基因 | 正向引物序列 | 反向引物序列 |
---|---|---|
Notch1 | 5’-TGGACCAGATTGGGGAGTTC-3’ | 5’-GCACACTCGTCTGTGTTGAC-3’ |
JAG1 | 5’-GGGGCAACACCTTCAACCTC-3’ | 5’-CCAGGCGAAACTGAAAGGC-3’ |
HES1 | 5’-TCAACACGACACCGGATAAAC-3’ | 5’-GCCGCGAGCTATCTTTCTTCA-3’ |
β-actin | 5’-GTCGTACCACTGGCATTGTG-3’ | 5’-TCTCAGCTGTGGTGGTGAAG-3’ |
Fig 1 Effects of DBD and GDBD on body weight of UUO rats( |
Tab 2 Effects of DBD and GDBD on renal organ index and renal function indicators in UUO rats ( |
组别 | 脏器指数/% | BUN/ (mg·dL–1) | Cr/ (μmol·L–1) |
---|---|---|---|
Sham | 0.32±0.03 | 17.42±0.56 | 44.33±2.41 |
UUO | 0.56±0.02a | 34.07±0.83a | 68.02±2.77a |
RX | 0.47±0.02b | 25.98±1.27b | 49.35±1.18b |
DBD 3.75 g·kg–1 | 0.51±0.02c | 26.71±1.94b | 57.95±2.79b |
DBD 7.5 g·kg–1 | 0.49±0.03b | 25.83±1.74b | 54.40±0.87b |
GDBD 4.4 g·kg–1 | 0.49±0.02b | 24.20±0.71bd | 48.40±1.38bd |
GDBD 8.8 g·kg–1 | 0.47±0.03b | 21.70±0.24be | 47.53±1.05be |
注(note):与Sham组相比(vs. Sham group),aP<0.01;与UUO组比较(vs. UUO group),bP<0.01,cP<0.05;与DBD 3.75 g·kg–1组比较(vs. DBD 3.75 g·kg–1 groups),dP<0.01;与DBD 7.5 g·kg–1组比较(vs. DBD 7.5 g·kg–1 groups),eP<0.01。 |
Tab 3 Effects of DBD and GDBD on serum TGF-β1,TNF-α and α-SMA in UUO rats ( |
组别 | 剂量/(g·kg–1) | TGF-β/(ng·mL–1) | TNF-α/(pg·mL–1) | α-SMA/(pg·mL–1) |
---|---|---|---|---|
Sham | - | 50.89±6.46 | 232.00±11.08 | 183.61±11.98 |
UUO | - | 90.43±10.10a | 312.56±23.51a | 256.37±17.90a |
RX | 0.01 | 59.45±4.13b | 277.59±10.12b | 223.64±14.68b |
DBD 3.75 g·kg–1 | 3.75 | 73.14±4.23b | 293.42±13.58 | 229.59±11.06b |
DBD 7.5 g·kg–1 | 7.5 | 71.93±8.84b | 276.71±20.12b | 211.31±3.58b |
GDBD 4.4 g·kg–1 | 4.4 | 69.92±4.98b | 271.02±12.93b | 203.19±7.79bd |
GDBD 8.8 g·kg–1 | 8.8 | 61.29±3.22b | 255.84±5.32b | 201.44±2.99b |
注(note):与Sham组相比(vs. Sham group),aP<0.01;与UUO组比较(vs. UUO group),bP<0.01;与DBD 3.75 g·kg–1组比较(vs. DBD 3.75 g·kg–1 groups),dP<0.01。 |
Fig 3 H&E staining (×200) and Masson’s trichrome staining (×400) of renal interstitial tissue in UUO rats treated with DBD and GDBD (A-B),and the quantification of fibrotic rate (C) ( |
Tab 4 The mRNA levels of Notch1,JAG1 and HES1 in rats of each group ( |
组别 | Notch1 | JAG1 | HES1 |
---|---|---|---|
Sham | 0.60±0.05 | 0.66±0.03 | 0.31±0.03 |
UUO | 1.13±0.07a | 1.27±0.05a | 0.81±0.04a |
RX | 0.73±0.06b | 0.83±0.07b | 0.61±0.05b |
DBD 3.75 g·kg–1 | 0.79±0.04b | 1.02±0.06b | 0.50±0.03b |
DBD 7.5 g·kg–1 | 1.00±0.04 | 0.83±0.04b | 0.49±0.04b |
GDBD 4.4 g·kg–1 | 0.81±0.05b | 1.05±0.06b | 0.43±0.04b |
GDBD 8.8 g·kg–1 | 0.87±0.03b | 0.95±0.05b | 0.33±0.03be |
注(note):与Sham组相比(vs. Sham group),aP<0.01; 与UUO组比较(vs. UUO group),bP<0.01;与DBD 7.5 g·kg–1组比较(vs. DBD 7.5 g·kg–1 groups),eP<0.01。 |
Fig 4 Protein expressions of Notch1,JAG1 and HES1 in contralateral kidney of UUO rats detected by Western blot ( |
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The progression of various chronic kidney disease to a certain stage leads to renal fibrosis. Renal fibrosiscan be stimulated by a variety of factors, including kidney trauma, infection, blood circulation blockage or immuneresponse, etc. After renal tissue damage caused by these factors, a large number of collagen fibers deposited inthe stroma to form fibrous scars, which resulted in changes of renal structure and function and further led to renalfibrosis. So far, the mechanism of renal fibrosis remains not fully understood. The establishment of an ideal animalmodel is of great significance for the study of the mechanism of renal fibrosis. Numerous literatures reported theestablishment of animal models of renal fibrosis through surgery. Therefore, this article focused on the methods ofestablishment of animal model of renal fibrosis by sur gery and the pathogenesis of renal fibrosis in recent years.
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