LHX2 and posterior cortical atrophy: For instance, circMBOAT2 sponged miR-1271-5p to promote PCa progression (Shi et al., 2020); circSMAD2 restrained miR-9 to govern PCa migration (Han et al., 2019); circFMN2 accelerated PCa tumorigenesis via a miR-1238/LHX2 axis (Shan et al., 2020).