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Article Dans Une Revue Advanced Science Année : 2021

Bio‐assembling Macro‐Scale, Lumenized Airway Tubes of Defined Shape via Multi‐Organoid Patterning and Fusion

Ye Liu
Catherine Dabrowska
  • Fonction : Auteur
Antranik Mavousian
  • Fonction : Auteur
Bernhard Strauss
  • Fonction : Auteur
Fanlong Meng
  • Fonction : Auteur
Corrado Mazzaglia
  • Fonction : Auteur
Karim Ouaras
Callum Macintosh
  • Fonction : Auteur
Eugene Terentjev
  • Fonction : Auteur
Joo‐hyeon Lee
Yan Yan Shery Huang

Résumé

Epithelial, stem-cell derived organoids are ideal building blocks for tissue engineering, however, scalable and shape-controlled bio-assembly of epithelial organoids into larger and anatomical structures is yet to be achieved. Here, a robust organoid engineering approach, Multi-Organoid Patterning and Fusion (MOrPF), is presented to assemble individual airway organoids of different sizes into upscaled, scaffold-free airway tubes with predefined shapes. Multi-Organoid Aggregates (MOAs) undergo accelerated fusion in a matrix-depleted, free-floating environment, possess a continuous lumen, and maintain prescribed shapes without an exogenous scaffold interface. MOAs in the floating culture exhibit a well-defined three-stage process of inter-organoid surface integration, luminal material clearance, and lumina connection. The observed shape stability of patterned MOAs is confirmed by theoretical modelling based on organoid morphology and the physical forces involved in organoid fusion. Immunofluorescent characterization shows that fused MOA tubes possess an unstratified epithelium consisting mainly of tracheal basal stem cells. By generating large, shape-controllable organ tubes, MOrPF enables upscaled organoid engineering towards integrated organoid devices and structurally complex organ tubes.
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Dates et versions

hal-03421405 , version 1 (09-11-2021)

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Ye Liu, Catherine Dabrowska, Antranik Mavousian, Bernhard Strauss, Fanlong Meng, et al.. Bio‐assembling Macro‐Scale, Lumenized Airway Tubes of Defined Shape via Multi‐Organoid Patterning and Fusion. Advanced Science, 2021, 8 (9), pp.2003332. ⟨10.1002/advs.202003332⟩. ⟨hal-03421405⟩
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