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- W2091778594 abstract "Aplicar las técnicas de cultivo in vitro de queratinocitos así como los principios de la ingeniería tisular al epitelio urinario humano, con el fin de reconstruir tridimensionalmente una mucosa vesical humana in vitro, apta para trasplantar Se obtuvieron muestras de mucosa vesical de pacientes programados para cirugía abierta de próstata, previo consentimiento de los mismos, las cuales fueron cultivadas in vitro, para proceder posteriormente al estudio histomorfológico de los tejidos obtenidos Se obtuvo un tejido tridimensional compuesto por una submucosa bioartificial a base de un gel de fibrina y fibroblastos, sobre la que descansan las células uroepiteliales, pudiendo utilizar una malla de ácido poliglicólico, que facilite la manipulación de la mucosa y el posterior injerto de la misma. El tejido obtenido tenía el aspecto de un epitelio inmaduro con muy escasa reacción a citoqueratinas, sin poderse demostrar inmunohistoquímicamente el desarrollo de una membrana basal Las técnicas de cultivo in vitro de queratinocitos son aplicables a otros epitelios, entre ellos el urotelio humano. En un periodo de tiempo relativamente corto se puede obtener un tejido in vitro tridimensional apto para trasplantar, precisando posiblemente de las interacciones con el lecho receptor para poder madurar The purpose of this study is to apply the in vitro keratinocyte culture techniques and the tissue engineering principles to human urothelium, to reconstruct an in vitro three-dimensional human bladder mucosa, suitable for grafting Biopsy specimens of human bladder mucosa were obtained from patients undergoing suprapubic prostatectomy, in vitro cultured and finally, an immunohistochemical study was made A three-dimensional in vitro tissue was obtained, composed of a bio-artificial submucosa (fibrin gel and fibroblast) where the uroepithelial cells were seeding. We used a biodegradable polyglycolic acid mesh to facilitate the tissue manipulation and implantation. An immature epithelium was obtained with a weak immunostaining to cytokeratins. The immunohistochemical study could not demonstrate the development of basement membrane In vitro keratinocyte culture techniques could be applied to other epithelial tissues like the urothelium. We obtained a three-dimensional in vitro tissue suitable for grafting in a relatively short time, which needs the matrix interactions in order to mature" @default.
- W2091778594 created "2016-06-24" @default.
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- W2091778594 date "2006-01-01" @default.
- W2091778594 modified "2023-10-16" @default.
- W2091778594 title "Reconstrucción tridimensional in vitro de mucosa vesical humana" @default.
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- W2091778594 doi "https://doi.org/10.1016/s0210-4806(06)73423-4" @default.
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