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Fig. 5 | Stem Cell Research & Therapy

Fig. 5

From: Biological impact of xeno-free chemically defined cryopreservation medium on amniotic epithelial cells

Fig. 5

Post-cryopreservation senescence marker activity. Cryopreserved human amniotic epithelial cells were cultured for 21 days and the influence of cryopreservation was evaluated by senescence-associated-beta-galactosidase (SA-βgal) activity, which is detectable in the cytoplasmic blue color staining (a). The ratio of SA-β-Gal-positive cells was calculated and demonstrated as mean ± standard error of the mean (b)

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