Evaluation of Cilia Function in Rat Trachea Reconstructed Using Collagen Sponge Scaffold Seeded with Adipose Tissue-Derived Stem Cells.

The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology
Koichi OmoriKoichi Omori

Abstract

The tracheal lumen is essential for conducting air to the lung alveoli and for voice production. However, patients with severe tracheal stenosis and malignant tumors invading the trachea often require tracheal resection. Recently, various reported tissue engineering methods for tracheal reconstruction show that regeneration of ciliated epithelium in the reconstructed areas, as well as preservation of the luminal structure is possible. However, only few studies report on the mucociliary transport function in reconstructed tracheae. We investigated mucociliary transport function within rat tracheal epithelium, reorganized after autologous adipose tissue-derived stem cell (ASC) transplantation. Rat ASCs were expanded in culture, and then seeded in a collagen sponge, which was physically supported with a polypropylene framework. The ASC-seeded collagen sponge was transplanted into the rat tracheal defect. We then examined the motility and transport function of cilia generated in the transplanted area using ciliary beat frequency (CBF) and microsphere movement analyses. Our data suggested that autologous ASC transplantation promoted ciliogenesis, consistent with previous reports. The CBF analysis revealed that motility of the cilia ...Continue Reading

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Citations

Jan 10, 2020·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Thomas R Van De Water
Aug 31, 2020·Laryngoscope Investigative Otolaryngology·Weston L NiermeyerTendy Chiang
Feb 9, 2021·Frontiers in Cell and Developmental Biology·Yunlang SheChang Chen

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