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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 38 Issue 10
Oct.  2022
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Article Contents

Effect of serum containing Huangqi decoction on the proliferation, migration, and tubulogenesis of rat liver sinusoidal endothelial cells induced by vascular endothelial growth factor and its mechanism of action

DOI: 10.3969/j.issn.1001-5256.2022.10.015
Research funding:

National Natural Science Foundation of China (81774098);

The Project of Shanghai Pudong New Area Famous Chinese Medicine Studio Construction (PWRzm2020-14)

More Information
  • Corresponding author: CHENG Yang, drchengyang@126.com(ORCID: 0000-0001-7984-930)
  • Received Date: 2022-02-24
  • Accepted Date: 2022-03-26
  • Published Date: 2022-10-20
  •   Objective  To investigate the effect of serum containing Huangqi decoction on the proliferation, migration, and tubulogenesis of rat liver sinusoidal endothelial cells (LSECs) induced by vascular endothelial growth factor (VEGF) and its mechanism of action based on the protein kinase B (AKT)/mammalian target of rapamycin (mTOR) signaling pathway.  Methods  The serum containing Huangqi decoction was prepared, and rat LSECs were isolated and cultured in vitro. Then rat LSECs were randomly divided into blank group, VEGF group, serum control group, and low-, middle-, and high-dose serum containing Huangqi decoction groups. MTT colorimetry, Transwell assay, and tubulogenesis assay were used to measure the proliferation, migration, and tubulogenesis abilities of LSECs in each group, and Western Blot was used to measure the protein expression levels of platelet endothelial cell adhesion molecule-1 (CD31), endothelin-1 (ET-1), and endothelial nitric oxide synthase (eNOS), as well as AKT, phosphorylated-AKT (p-AKT), mTOR, and phosphorylated mTOR (p-mTOR) in the AKT/mTOR signaling pathway. A one-way analysis of variance was used for comparison of continuous data between multiple groups, and the Tukey's test was used for further comparison between two groups.  Results  Compared with the blank group, the VEGF group and the serum control group had significantly promoted proliferation, migration, and angiogenesis of rat LSECs (all P < 0.05), and Western Blot showed significant increases in the expression levels of CD31, ET-1, eNOS, and AKT/mTOR signaling pathway-related proteins (all P < 0.05). There were no significant differences in the above indices between the VEGF group and the serum control group (all P > 0.05). Compared with the serum group, the middle- and high-dose serum containing Huangqi decoction groups had significantly inhibited proliferation, migration, and angiogenesis of rat LSECs induced by VEGF (all P < 0.05), and Western Blot showed significant reductions in the expression levels of CD31, ET-1, eNOS, and AKT/mTOR signaling pathway-related proteins (all P < 0.01).  Conclusion  A relatively high dose of serum containing Huangqi decoction can significantly inhibit the proliferation, migration, and tubulogenesis of rat LSECs induced by VEGF, possibly by regulating the AKT/mTOR signaling pathway.

     

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