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

Figure 7

Differentiation of neuronal-like cells. (a–d) S100-positive cells. (e) Single nestin-positive elongated cell (arrow). (f–h) Negative controls with present small round cells (arrows) with diameters of up to 5 μm. (inverted microscope, Hoffman). Scale Bar: 50 μm.

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