Publisert 2023

Les på engelsk


Tidsskrift : Frontiers in Nutrition , vol. 10 , p. 1–14–13 , 2023

Utgiver : Frontiers Media S.A.

Internasjonale standardnummer :
Trykt : 2296-861X
Elektronisk : 2296-861X

Publikasjonstype : Vitenskapelig artikkel

Bidragsytere : Tzimorotas, Dimitrios; Solberg, Nina; Andreassen, R. Christel; Moutsatsou, Panagiota; Bodiou, Vincent; Pedersen, Mona Elisabeth; Rønning, Sissel



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Kjetil Aune


Introduction: Successful long-term expansion of skeletal muscle satellite cells (MuSCs) on a large scale is fundamental for cultivating animal cells for protein production. Prerequisites for efficient cell expansion include maintaining essential native cell activities such as cell adhesion, migration, proliferation, and differentiation while ensuring consistent reproducibility. Method: This study investigated the growth of bovine MuSC culture using low-volume spinner flasks and a benchtop stirred-tank bioreactor (STR). Results and discussion: Our results showed for the first time the expansion of primary MuSCs for 38 days in a bench-top STR run with low initial seeding density and FBS reduction, supported by increased expression of the satellite cell marker PAX7 and reduced expression of differentiation-inducing genes like MYOG, even without adding p38-MAPK inhibitors. Moreover, the cells retained their ability to proliferate, migrate, and differentiate after enzymatic dissociation from the microcarriers. We also showed reproducible results in a separate biological benchtop STR run.


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