n/a
Abstract Title:

[Saikosaponin D inhibits proliferation and collagen production of human embryonic lung fibroblasts by regulating TGF-β1/Smads signaling pathway].

Abstract Source:

Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi. 2019 Mar ;35(3):256-261. PMID: 31030720

Abstract Author(s):

Jinling Sun, Jinxu Zheng, Xiaodong Shi, Hai Qian, Chengji Jin, Lili Xu

Article Affiliation:

Jinling Sun

Abstract:

Objective To investigate the effect of saikosaponin D (SSD) on the proliferation and transformation of human embryonic lung fibroblasts (HELFs) induced by transforming growth factor-beta 1 (TGF-β1) and the regulation of signal pathway of TGF-β1/Smads family. Methods HELFs were cultured in vitro and divided into 5 groups: a control group, 1 ng/mL TGF-β1-induced group, 1 ng/mL TGF-β1 combined with 0.5 μmol/L SSD treatment group, 1 ng/mL TGF-β1 combined with 1 μmol/L SSD treatment group, and 1 ng/mL TGF-β1 combined with 2 μmol/L SSD treatment group. Cell viability of HELFs was detected by CCK-8 assay. The expression of Smad2, Smad3 and Smad7 mRNA were detected by real-time fluorescence quantitative PCR. The protein levels of α-smooth muscle actin (α-SMA), type 1 collagen (Col1), Smad2, Smad3, phosphorylated Smad2 (p-smad2), p-smad3 and Smad7 were assessed by Western blot analysis. Results Compared with the control group, TGF-β1-induced group showed the apparently increased proliferation ability, the increased protein levels of Col1 and α-SMA, the significantly increased mRNA and protein phosphorylation levels of Smad2 and Smad3, and the significantly decreased mRNA and protein expression of Smad7. Compared with the TGF-β1-induced group, the cell proliferation of HELFs in different concentrations of SSD treatment groups was reduced, which could reverse the changes of the above indicators in a dose-dependent manner. Conclusion SSD plays an important role in anti-pulmonary fibrosis by regulating TGF-β1/Smads signaling pathway.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Anti-Fibrotic : CK(924) : AC(463)

Print Options


Key Research Topics

Sayer Ji
Founder of GreenMedInfo.com

Subscribe to our informative Newsletter & get Nature's Evidence-Based Pharmacy

Our newsletter serves 500,000 with essential news, research & healthy tips, daily.

Download Now

500+ pages of Natural Medicine Alternatives and Information.

This website is for information purposes only. By providing the information contained herein we are not diagnosing, treating, curing, mitigating, or preventing any type of disease or medical condition. Before beginning any type of natural, integrative or conventional treatment regimen, it is advisable to seek the advice of a licensed healthcare professional.

© Copyright 2008-2021 GreenMedInfo.com, Journal Articles copyright of original owners, MeSH copyright NLM.