CBS and neoplasm: In terms of PI3K expression, no differences were found in HPEpiC cell line; in LNCaP cell line, a reduction of gene expression was found in UC-MSC treatment in 4.8 ± 2.2% and in both tumor cell lines, a reduction in gene expression was observed in CBS treatment in 4.8 ± 3.1% in PC3 cell line and 6.2 ± 2.3% in LNCaP cell line (p < 0.05 vs. control group).