HSPA5 and posterior cortical atrophy: It has been proven that the simultaneous silencing of GRP78 and GRP94 expression with the use of small interfering RNAs (siRNAs) in PCa cells, increases the apoptosis process, by increasing the expression of the Bax protein and significantly inhibiting the migration of tested cancer cells, as a result of a significant inhibition of vimentin expression [110].