Sotomayor et al77 found that SOX2 expression was detected in the OCT4A-expressing cell subpopulation within PCa tissues; however, these cells lacked proliferative capacity and did not express other stemness markers such as ATP binding cassette subfamily G member 2 (ABCG2), NANOG, or CD133.77 This evidence concerns the gene PROM1 and posterior cortical atrophy.