ALDH1A1 and central nervous system cancer: (5) To address the question of whether or not TRPM7 will significantly affect ALDH1, another GSC marker (Rasper et al., 2010; Liu et al., 2014; Sullivan et al., 2017), we chose a similar model of glioma cells as described above, in which TRPM7 is either underexpressed or overexpressed by siTRPM7 or TRPM7-related constructs.