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

Figure 8

Differentiation of pancreatic-like cells. (a) Dithizone-positive (red) cell cluster. (b) Dithizone-positive (red) single cell. (c, d) C-peptide-positive cell clusters. (e, f) Insulin-positive cell clusters. (g, h) Negative controls. (inverted microscope, Hoffman). Scale Bar: (a) 50 μm, (b) 10 μm, (a–h) 50 μm.

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