Objective: To optimize the condition for chromosome flaking of mesenchymal stem cells to ensure the cytogenetic quality control of expanding production and clinical application.
Methods: Chromosomal flaking methods were optimized from current chromosome preparation techniques from the aspects of MSCs cell culture concentration, colchicine treatment time and low permeability time.
Results: By repeated pre-experiments, the optimal MSCS chromosome flaking condition of MSCs was determined as cell culture concentration of (1-2)× 10 cells per T25 cell culture bottle, and the colchicines processing time was determined as 2 hours and 10 minutes, and the low permeability was 1 hour.
Conclusion: The optimized chromosome flaking condition can fulfill the requirement of cytogenetic quality control for MSCs.
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| http://dx.doi.org/10.3760/cma.j.issn.1003-9406.2019.02.012 | DOI Listing |
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