<italic style="font-style: italic">Codonopsis pilosula</italic> polysaccharide inhibits the proliferation of keloid fibroblasts and induces cell cycle arrest through PI3K/AKT signaling pathway: an experimental study

Tian Yan; Zhu Fei; Song Caiying; Zhu Qiuxuan; Cheng Shengrong; Chen Wendong

doi:10.13406/j.cnki.cyxb.003580

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Codonopsis pilosula polysaccharide inhibits the proliferation of keloid fibroblasts and induces cell cycle arrest through PI3K/AKT signaling pathway: an experimental study

Basic research | 更新时间：2025-10-21

- Codonopsis pilosula polysaccharide inhibits the proliferation of keloid fibroblasts and induces cell cycle arrest through PI3K/AKT signaling pathway: an experimental study
- Journal of Chongqing Medical University Vol. 49, Issue 9, Pages: 1142-1146(2024)
- 作者机构：
  
  安徽医科大学第一附属医院整形外科，合肥 230022
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.003580
  CLC： R739
- Received：02 January 2024，
  
  Revised：2024-02-26，
  
  Accepted：07 March 2024，
  
  Published：28 September 2024
- 稿件说明：
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田艳,朱飞,宋采滢,等.党参多糖通过PI3K/AKT信号通路抑制瘢痕疙瘩成纤维细胞增殖和诱导细胞周期阻滞的实验研究[J].重庆医科大学学报,2024,49(9):1142-1146.

Tian Yan,Zhu Fei,Song Caiying,et al.Codonopsis pilosula polysaccharide inhibits the proliferation of keloid fibroblasts and induces cell cycle arrest through PI3K/AKT signaling pathway: an experimental study[J].Journal of Chongqing Medical University,2024,49(9):1142-1146.
田艳,朱飞,宋采滢,等.党参多糖通过PI3K/AKT信号通路抑制瘢痕疙瘩成纤维细胞增殖和诱导细胞周期阻滞的实验研究[J].重庆医科大学学报,2024,49(9):1142-1146. DOI： 10.13406/j.cnki.cyxb.003580.

Tian Yan,Zhu Fei,Song Caiying,et al.Codonopsis pilosula polysaccharide inhibits the proliferation of keloid fibroblasts and induces cell cycle arrest through PI3K/AKT signaling pathway: an experimental study[J].Journal of Chongqing Medical University,2024,49(9):1142-1146. DOI： 10.13406/j.cnki.cyxb.003580.

摘要

目的

探讨党参多糖对人瘢痕疙瘩成纤维细胞增殖和细胞周期进程的影响及其分子机制。

方法

四唑盐比色测定法［3-（4，5-Dimethylthazol-2-yl）-2，5-diphenyltetrazolium bromide，MTT］检测党参多糖对细胞存活率的影响，筛选党参多糖加药浓度，采用平板克隆实验检测瘢痕疙瘩成纤维细胞的克隆形成能力，流式细胞术检测细胞周期比例和细胞凋亡，蛋白免疫印迹法（Western blot）分析增殖细胞核抗原（proliferating cell nuclear antigen，PCNA）、细胞周期蛋白D1（Cyclin D1）、Ⅰ型胶原蛋白（Collagen Ⅰ）、Ⅲ型胶原蛋白（Collagen Ⅲ）、磷脂酰肌醇-3 激酶（phosphoinositide 3-kinase，PI3K）和丝苏氨酸蛋白激酶（protein kinase B，AKT）蛋白磷酸化水平。

结果

当党参多糖浓度小于80 μmol/L时对瘢痕疙瘩成纤维细胞无明显毒性作用，本实验选择浓度为10、20、40 μmol/L的党参多糖作为后续实验加药标准浓度；与0 μmol/L组相比，10、20和40 μmol/L组瘢痕疙瘩成纤维细胞克隆形成能力降低，细胞周期阻滞于G

期，PCNA、Cyclin D1、Collagen I和Collagen Ⅲ的表达下调，细胞凋亡率升高，PI3K和AKT磷酸化水平降低（

0.05）。

结论

党参多糖能够抑制瘢痕疙瘩成纤维细胞增殖和细胞周期进程，其分子机制可能与抑制PI3K/AKT信号通路的激活有关。

Abstract

Objective

To investigate the effects of

Codonopsis pilosula

polysaccharide on the proliferation and cell cycle progression of human keloid fibroblasts，and the possible molecular mechanisms.

Methods

The 3-（4，5-Dimethylthazol-2-yl）-2，5-diphenyltetrazolium bromide assay was used to determine the effect of

pilosula

polysaccharide on cell survival rate and select the concentration of

pilosula

polysaccharide. The clone-forming ability of keloid fibroblasts was determined by plate cloning experiment. The cell cycle distribution and apoptosis were determined by flow cytometry. Western blot was used to analyze proliferating cell nuclear antigen，cyclin D1，collagen I，collagen Ⅲ，and the phosphorylation levels of phosphatidylinositol 3-kinase and protein kinase B.

Results

When the concentration of

pilosula

polysaccharide was less than 80 μmol/L，there was no obvious toxic effect on keloid fibroblasts. In this experiment，

pilosula

polysaccharide was added at the concentrations of 10，20，and 40 μmol/L. Compared with the 0 μmol/L group，the clone-forming ability of keloid fibroblasts decreased in the 10，20，and 40 μmol/L groups； cell cycle was arrested at the G

phase； the expression of proliferating cell nuclear antigen，cyclin D1，collagen Ⅰ，and collagen Ⅲ was down-regulated； cell apoptosis was increased； the phosphorylation levels of PI3K and AKT

decreased （

0.05）.

Conclusion

Codonopsis

pilosula

polysaccharide can inhibit the proliferation and cell cycle progression of keloid fibroblasts，and the molecular mechanisms may be related to the inhibition of the PI3K/AKT signal pathway.

关键词

Keywords

references

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Codonopsis pilosula polysaccharide inhibits the proliferation of keloid fibroblasts and induces cell cycle arrest through PI3K/AKT signaling pathway: an experimental study

DOI：10.13406/j.cnki.cyxb.003580

摘要

Abstract

关键词

Keywords

references