Article (Scientific journals)
Cartilaginous spheroid-assembly design considerations for endochondral ossification: towards robotic-driven biomanufacturing.
Nilsson Hall, Gabriella; Rutten, Iene; Lammertyn, Jeroen et al.
2021In Biofabrication, 13 (4)
Peer reviewed
 

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Keywords :
Bone Regeneration; Cartilage; Osteogenesis; Robotics; Spheroids, Cellular; Tissue Engineering; Tissue Scaffolds; bioassembly; biomanufacturing; cartilaginous spheroids; endochondral ossification; tissue engineering
Abstract :
[en] Spheroids have become essential building blocks for biofabrication of functional tissues. Spheroid formats allow high cell-densities to be efficiently engineered into tissue structures closely resembling the native tissues. In this work, we explore the assembly capacity of cartilaginous spheroids (d∼ 150µm) in the context of endochondral bone formation. The fusion capacity of spheroids at various degrees of differentiation was investigated and showed decreased kinetics as well as remodeling capacity with increased spheroid maturity. Subsequently, design considerations regarding the dimensions of engineered spheroid-based cartilaginous mesotissues were explored for the corresponding time points, defining critical dimensions for these type of tissues as they progressively mature. Next, mesotissue assemblies were implanted subcutaneously in order to investigate the influence of spheroid fusion parameters on endochondral ossification. Moreover, as a step towards industrialization, we demonstrated a novel automated image-guided robotics process, based on targeting and registering single-spheroids, covering the range of spheroid and mesotissue dimensions investigated in this work. This work highlights a robust and automated high-precision biomanufacturing roadmap for producing spheroid-based implants for bone regeneration.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Nilsson Hall, Gabriella ;  Prometheus Division of Skeletal Tissue Engineering, KU Leuven, O&N1, Herestraat  ; Skeletal Biology and Engineering Research Center, Department of Development and
Rutten, Iene;  Department of Biosystems, Biosensors Group, KU Leuven, Willem de Croylaan 42, Box
Lammertyn, Jeroen;  Department of Biosystems, Biosensors Group, KU Leuven, Willem de Croylaan 42, Box
Eberhardt, Jens;  ALS Automated Lab Solutions GmbH, Jena, Germany.
Geris, Liesbet  ;  Université de Liège - ULiège > GIGA > GIGA In silico medecine - Biomechanics Research Unit ; Prometheus Division of Skeletal Tissue Engineering, KU Leuven, O&N1, Herestraat  ; Biomechanics Section, KU Leuven, Celestijnenlaan 300C, PB 2419, 3001 Leuven
Luyten, Frank P;  Prometheus Division of Skeletal Tissue Engineering, KU Leuven, O&N1, Herestraat  ; Skeletal Biology and Engineering Research Center, Department of Development and
Papantoniou, Ioannis;  Prometheus Division of Skeletal Tissue Engineering, KU Leuven, O&N1, Herestraat  ; Skeletal Biology and Engineering Research Center, Department of Development and  ; Institute of Chemical Engineering Sciences, Foundation for Research and
Language :
English
Title :
Cartilaginous spheroid-assembly design considerations for endochondral ossification: towards robotic-driven biomanufacturing.
Publication date :
21 September 2021
Journal title :
Biofabrication
ISSN :
1758-5082
eISSN :
1758-5090
Publisher :
IOS Press, Nl
Volume :
13
Issue :
4
Peer reviewed :
Peer reviewed
Commentary :
Creative Commons Attribution license.
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since 29 June 2022

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