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Article Dans Une Revue Bio-protocol Année : 2024

Method for Large-scale Production of hIPSC Spheroids

Résumé

Stem cell spheroids are rapidly becoming essential tools for a diverse array of applications ranging from tissue engineering to 3D cell models and fundamental biology. Given the increasing prominence of biotechnology, there is a pressing need to develop more accessible, efficient, and reproducible methods for producing these models. Various techniques such as hanging drop, rotating wall vessel, magnetic levitation, or microfluidics have been employed to generate spheroids. However, none of these methods facilitate the easy and efficient production of a large number of spheroids using a standard 6-well plate. Here, we present a novel method based on pellet culture (utilizing U-shaped microstructures) using a silicon mold produced through 3D printing, along with a detailed and illustrated manufacturing protocol. This technique enables the rapid production of reproducible and controlled spheroids (for 1 × 106 cells, spheroids = 130 ± 10 μm) from human induced pluripotent stem cells (hIPSCs) within a short time frame (24 h). Importantly, the method allows the production of large quantities (2 × 104 spheroids for 1 × 106 cells) in an accessible and cost-effective manner, thanks to the use of a reusable mold. The protocols outlined herein are easily implementable, and all the necessary files for the method replication are freely available.
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Origine : Publication financée par une institution

Dates et versions

hal-04536259 , version 1 (08-04-2024)

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Lucas Lemarié, Edwin-Joffrey Courtial, Jérôme Sohier. Method for Large-scale Production of hIPSC Spheroids. Bio-protocol , 2024, 14 (1342), ⟨10.21769/BioProtoc.4965⟩. ⟨hal-04536259⟩
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