
Keywords: فنوتیپ سلولی; Cryopreservation; Liquid nitrogen; Long-term storage; Human thymus; Stromal-epithelial cell cultures; Cell phenotype; 7-AAD; 7-aminoactinomycin D; annexin V-EGFP; annexin V-enhanced green fluorescent protein; Abs; antibodies; CPM; cryoprotective medium; C