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Quality control of umbilical cord-derived mesenchymal stromal cells (UC-MSC). (A) Cell characterization; (B) Cell viability. (C) Cytogenetics test. The cells showed a high expression of CD29, CD73, CD90, and low expression of CD14, CD19, CD34, CD45, and HLA-DR markers (A). Cell viability analysis showed less than 8% of dead cells (7-AAD) and less than 1% of cells in apoptosis (Annexin-V) (B). The UC-MSC did not show any chromosomal aberrations. Ann: Annexin; 7-AAD: 7-amino actinomycin.
