Potential Stemness of Frozen-Thawed Testicular Biopsies without Sperm in Infertile Men Included into the In Vitro Fertilization Programme

Figure 3

Accumulation of lipid droplets in cells cultured in an ESC medium with added follicular fluid. (a, b, c, d) Cell culture before staining with Oil Red O. (e, f, g) Cell culture stained with Oil Red O (passage 3, day 68). (h) Negative control. (inverted microscope, Hoffman). Scale Bar: (a–d) 10 μm. (e, f) 100 μm. (g, h) 50 μm.

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