On model of angiogenesis and the mechanism in porous silk fibroin films

  • Lun Bai
  • Dongping Wu
  • Janmei Xu
  • Huifeng Liu
  • Min Xie
  • Guoping Guan
  • Ziling Sun
  • Xiaoyan Tan
Article

Abstract

The purpose of this paper is to explore the mechanism of the angiogenesis modes in the biomaterials implanted in vivo. By means of experimental observation and analysis of the capillary growing state in the porous silk fibroin film implanted into rats, we intended to develop a modeling expression on the growth mode of the capillaries in the biomaterials. Additionally, we proposed the response model of endothelial cells (ECs) resulting from vascular endothelial growth factor’s concentrations at different stages after the implantation. With the implantation experiment, it was identified that angiogenesis developed in the way of capillary sprouting at the early stage of implantation and of intussusception at the late stage. Based on the response model of ECs, experimental results are explained.

Notes

Acknowledgments

We are grateful to Yongqin Mao, Jiwen Yang, Jiantao Niu for their excellent assistance. This work was supported by the national key basic research and developing project of China: Basic Research of the Tissue Inducing biomaterial Used in Medicine (Project No. 2005CB623906).

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Lun Bai
    • 1
    • 2
  • Dongping Wu
    • 1
  • Janmei Xu
    • 1
  • Huifeng Liu
    • 1
  • Min Xie
    • 1
  • Guoping Guan
    • 1
  • Ziling Sun
    • 1
  • Xiaoyan Tan
    • 1
  1. 1.College of Textile and Clothing EngineeringSoochow UniversitySuzhouChina
  2. 2.Faculty of Textile Science and TechnologyShinshu UniversityUeda, NaganoJapan

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