ArticleOtolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery2024
Long-Term Chondrocyte Retention in Partially Decellularized Tracheal Grafts.
Article in Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Assessing the Impact of Partial Decellularization on Tracheal Chondrocytes and Extracellular Matrix in Airway Reconstruction.Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2025Article
- Bioengineered tracheal graft with enhanced vascularization and mechanical stability for functional airway reconstruction.Regenerative therapy · 2025Review
- A Contemporary Review of Trachea, Nose, and Ear Cartilage Bioengineering and Additive Manufacturing.Biomimetics (Basel, Switzerland) · 2024Review
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
objectiveDecellularized tracheal grafts possess the biological cues necessary for tissue regeneration. However, conventional decellularization approaches to target the removal of all cell populations including chondrocytes lead to a loss of mechanical support. We have created a partially decellularized tracheal graft (PDTG) that preserves donor chondrocytes and the mechanical properties of the trachea. In this study, we measured PDTG chondrocyte retention with a murine microsurgical model. STUDY
designMurine in vivo time-point study.
settingResearch Institute affiliated with Tertiary Pediatric Hospital.
methodsPDTG was created using a sodium dodecyl sulfate protocol. Partially decellularized and syngeneic grafts were orthotopically implanted into female C57BL/6J mice. Grafts were recovered at 1, 3, and 6 months postimplant. Pre- and postimplant grafts were processed and analyzed via quantitative immunofluorescence. Chondrocytes (SOX9+, DAPI+) present in the host and graft cartilage was evaluated using ImageJ.
resultsPartial decellularization resulted in the maintenance of gross tracheal architecture with the removal of epithelial and submucosal structures on histology. All grafts demonstrated SOX9+ chondrocytes throughout the study time points. Chondrocytes in PDTG were lower at 6 months compared to preimplant and syngeneic controls.
conclusionPDTG retained donor graft chondrocytes at all time points. However, PDTG exhibits a reduction in chondrocytes at 6 months. The impact of these histologic changes on cartilage extracellular matrix regeneration and repair remains unclear.
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