ALDH1A3 and Familial prostate cancer: When it comes to ALDH1A3, as shown in Figure 3, the mRNA transcription level of ALDH1A3 was significantly higher in prostate cancer tissues than that in normal tissues in both TCGA datasets and GEO datasets (p = 1.63 × 10−12 and p = 4.33 × 10−2, respectively).