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Related Experiment Video

Updated: Mar 22, 2026

Epithelial Cell Repopulation and Preparation of Rodent Extracellular Matrix Scaffolds for Renal Tissue Development
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[A perfusion system for preparing canine ureteral acellular matrix].

Shu-Wei Xiao1, Peng-Chao Wang, Wei-Jun Fu

  • 1Department of Urology, Hainan Branch of General Hospital of PLA, Sanya 572013, China.E-mail: xiaoshuwei00@163.com.

Nan Fang Yi Ke Da Xue Xue Bao = Journal of Southern Medical University
|April 12, 2016
PubMed
Summary

Preparing ureteral acellular matrix (UAM) via perfusion with SDS and TritonX-100 is feasible. This method effectively removes nuclei while preserving the ureter's structure and bioactive components for potential reconstruction.

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • Ureteral reconstruction often requires suitable scaffolds.
  • Acellular matrices offer promising biocompatible materials.
  • Developing efficient methods for scaffold preparation is crucial.

Purpose of the Study:

  • To assess the feasibility of creating ureteral acellular matrix (UAM) using perfusion systems.
  • To evaluate the efficacy of different perfusion agents (SDS, TritonX-100) in decellularization.
  • To characterize the structural and biochemical integrity of the prepared UAM.

Main Methods:

  • Canine ureters were decellularized using perfusion with SDS, TritonX-100, or a combination.
  • Residual nuclei were assessed via HE staining, DAPI staining, DNA quantification, and gel electrophoresis.
  • Ultrastructure, bioactive components (collagen, GAGs), and toxicity were evaluated using Masson's trichrome, Alcian Blue, SEM, and toxicity assays.

Main Results:

  • Combined SDS and TritonX-100 perfusion effectively removed nuclear material, confirmed by multiple assays.
  • The decellularization process preserved the ureter's three-dimensional ultrastructure and essential bioactive components.
  • Scanning electron microscopy revealed a porous surface structure, and toxicity tests confirmed the UAM was non-toxic.

Conclusions:

  • Perfusion with SDS and TritonX-100 is a viable method for preparing ureteral acellular matrix (UAM).
  • The resulting UAM retains structural integrity and bioactive elements, indicating its potential for ureteral reconstruction applications.