MTOR and posterior cortical atrophy: This phenomenon is particularly evident in the AA PCa cell lines RC77 T/E and MDA PCa 2b, where the high nuclear pmTOR/mTOR signals in NS transfected cells but exclusively cytoplasmic pmTOR/mTOR signals in miR-99b-5p transfected cells were observed (merged images, RC77 T/E and MDA PCa 2b transfected with NS vs. miR-99b-5p mimic, Figure 3A).