Indeed, the blood–testis barrier does not protect the entire testicular parenchyma, so while accumulation of nanoparticles is likely to occur in these unprotected areas, this does not infer a crossing of the blood–testis barrier, as we have shown in our previously cited study [149]. ...
The different patterns of staining allowed us to identify the three different cell populations: viable cells (FITC negative and PI negative); cells in early apoptosis with cytoplasmic membrane still intact (FITC positive and PI negative); and cells in late apoptosis (FITC positive and PI-positive...