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Cell and Tissue Banking

, Volume 19, Issue 4, pp 629–636 | Cite as

Optimal number of chemical extraction treatments for maintaining the biological properties of an allogeneic tendon

  • Peng Chen
  • Changqing Jiang
  • Li Shen
  • Wentao Zhang
  • Lixin Zhu
Article
  • 18 Downloads

Abstract

The aim of this study was to explore the biological effects of the amount of chemical extraction treatments performed on an allogeneic tendon through histomorphology, biological mechanics testing, and an immunogenicity assay. Sixteen New Zealand rabbits (body weight 2.5–3.0 kg) were randomly divided into four groups: group A (chemical extraction once), group B (chemical extraction twice), group C (chemical extraction three times), and group D (blank control group), with four rabbits in each group. The Achilles tendons of each rabbit were separated and subjected to a chemical extraction process with Triton X-100 and sodium deoxycholate, followed by hematoxylin and eosin staining, electron microscopy observation, biomechanical testing, and mixed lymphocyte culture. There were no significant differences in the surface color and fiber bundles between groups A and B and the blank control group, whereas group C showed clear differences from the blank control group with a rough surface, loose fibers, and poor tension. There were no significant differences in the biomechanics among the four groups. The four groups showed significant differences in the lymphocyte conversion ratio, with reduced rates of lymphocyte conversion along with increasing treatment numbers. Two chemical extractions of the tendon allowed for retaining most of the integrity of the original tendon fiber while removing immunogenicity with good biological properties. These findings lay a foundation for application of this method to human tendons so as to provide a good tissue source for tendon transplantation.

Keywords

Allogeneic tendon Chemical extraction Biological properties Tissue engineering 

Notes

Acknowledgements

We are grateful to the valuable comments of the anonymous reviewers. This work is partly supported by Health and Family Science Foundation of Shenzhen under Grant Numbers. 201606007 and Sanming Project of Medicine in Shenzhen (No. SZSM201612078).

Compliance with ethical standards

Conflict of interest

The author’s declare that they have no conflicts of interest.

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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.ZhuJiang Hospital of Southern Medical UniversityGuangzhouChina
  2. 2.Peking University Shenzhen HospitalShenzhenChina
  3. 3.Pingshan Women and Children’s HospitalShenzhenChina

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