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Optimizing decellularization protocols for human thyroid tissues: a step towards tissue engineering and
Özge Karabıyık Acar1,2, Gülnihal Bozdağ2, Ezgi Hacıhasanoğlu3
1Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Okan University, Istanbul, Türkiye.
Biomedical Materials (Bristol, England)
|June 10, 2024
Summary
Researchers optimized decellularization for human thyroid tissue, preserving its structure for potential transplantation. This tissue engineering approach supports cell adhesion and viability, paving the way for new hypothyroidism treatments.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Regenerative Medicine
Background:
- Hypothyroidism necessitates novel treatments due to limitations in thyroid transplantation.
- Decellularization preserves tissue structure for transplants, promoting cell integration.
Purpose of the Study:
- To optimize decellularization of human thyroid tissue using a structure-preserving strategy.
- To evaluate the recellularization potential of decellularized thyroid scaffolds.
Main Methods:
- Employed nine physical and chemical decellularization methods.
- Performed quantitative, immunohistochemical, and biomechanical analyses.
- Assessed papillary thyroid cancer (PTC) cell viability on decellularized scaffolds.
Main Results:
- Decellularized tissues showed significantly reduced DNA content while preserving key extracellular matrix components like collagen and glycosaminoglycans.
- Laminin and fibronectin were well-preserved; Young's modulus increased with SDS inclusion.
- Decellularized scaffolds supported PTC cell attachment and sustained metabolic activity, indicating successful recellularization potential.
Conclusions:
- An optimized decellularization method for human thyroid tissue was successfully established.
- The resulting scaffolds exhibit excellent 3D structural integrity and cell adhesion properties.
- Further research will focus on recellularization with thyroid follicular cells and in vivo transplantation studies.
