KHSRP and posterior cortical atrophy: The immunohistochemistry analysis with KHSRP antibody or homemade KHSRP‐acetyl‐K205 antibody revealed that KHSRP acetylation in tissues with Gleason score ≥ 7 was higher than that in tissues with Gleason score < 7 (Fig. 4D), suggesting that acetylated KHSRP is related to the malignancy of PCa.