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Stem Cell Res Ther ; 13(1): 317, 2022 07 16.
Artículo en Inglés | MEDLINE | ID: mdl-35842689

RESUMEN

One of the severe complications occurring because of the patient's intubation is tracheal stenosis. Its incidence has significantly risen because of the COVID-19 pandemic and tends only to increase. Here, we propose an alternative to the donor trachea and synthetic prostheses-the tracheal equivalent. To form it, we applied the donor trachea samples, which were decellularized, cross-linked, and treated with laser to make wells on their surface, and inoculated them with human gingiva-derived mesenchymal stromal cells. The fabricated construct was assessed in vivo using nude (immunodeficient), immunosuppressed, and normal mice and rabbits. In comparison with the matrix ones, the tracheal equivalent samples demonstrated the thinning of the capsule, the significant vessel ingrowth into surrounding tissues, and the increase in the submucosa resorption. The developed construct was shown to be highly biocompatible and efficient in trachea restoration. These results can facilitate its clinical translation and be a base to design clinical trials.


Asunto(s)
COVID-19 , Ingeniería de Tejidos , Animales , Humanos , Rayos Láser , Ratones , Pandemias , Conejos , Ingeniería de Tejidos/métodos , Andamios del Tejido , Tráquea
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