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Whole-Organ Decellularization of the Human Uterus and in Vivo Application of the Bio-Scaffolds in Animal Models Publisher Pubmed



Daryabari SS1 ; Fendereski K1 ; Ghorbani F2 ; Dehnavi M1 ; Shafikhani Y3 ; Omranipour A3 ; Zeraatiannejad Davani S3 ; Majidi Zolbin M1 ; Tavangar SM4 ; Kajbafzadeh AM1
Authors
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Authors Affiliations
  1. 1. Section of Tissue Engineering and Stem Cell Therapy, Pediatric Urology and Regenerative Medicine Research Center, Children’s Hospital Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, No. 62, Dr. Gharib’s Street, Keshavarz Boulevard, Tehran, Iran
  2. 2. Tracheal Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  3. 3. Hazrat-e Rasool General Hospital, Iran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Pathology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Assisted Reproduction and Genetics Published:2022


Abstract

Purpose: The aim of this investigation was to design a perfusion-based decellularization protocol to provide whole human uterine bio-scaffolds with preserved structural and componential characteristics and to investigate the in vivo properties of the decellularized tissues. Methods: Eight human uteri, donated by brain-dead patients, were decellularized by perfusion of sodium dodecyl sulfate (SDS) through the uterine arteries using a peristaltic pump. The bio-scaffolds were evaluated and compared with native human uterus regarding histological, immunohistochemical, structural, and bio-mechanical properties, in addition to CT angiographies to examine the preservation of the vascular networks. Subsequently, we obtained acellular patches and implanted them on uterine defects of female Wistar rats to investigate the bio-compatibility and regenerative potential of the bio-scaffolds. Finally, we performed immunostaining to investigate the potential role of circulating stem cells in recellularization of the implanted bio-scaffolds. Results: The outcomes of this investigation confirmed the efficacy of the proposed protocol to provide whole human uterine scaffolds with characteristics and extra-cellular matrix components similar to the native human uterus. Subsequent in vivo studies demonstrated the bio-compatibility and the regenerative potential of the scaffolds and suggested a signaling pathway as an underlying mechanism for the regenerative process. Conclusions: To the best of our knowledge, this investigation provides the first efficient perfusion-based decellularization protocol for the human uterus to obtain whole-organ scaffolds. The outcomes of this investigation could be employed in future human uterus tissue engineering studies which could ultimately result in the development of novel treatments for female infertile patients. © 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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