Fig. 3From: Relative safety of various spermatogenic stem cell purification methods for application in spermatogenic stem cell transplantationCD20 and CD38 verification and validation of independent markers in SSCs by immunofluorescence and flow cytometry. CD20 (a–c) and CD38 (d–f) were not expressed in SSCs. DAPI indicates the cell nucleus. This finding was confirmed via the conducted flow cytometry analysis. Scale bar = 100 μmBack to article page