CPEB4 and central nervous system cancer: However, the inhibitory effect of si-MSC-AS1-1 on CPEB4 expression was counteracted by miR-373-3p inhibitor in LN229/TR and SHG-44/TR cells, suggesting that MSC-AS1 could regulate CPEB4 expression by binding to miR-373-3p in TMZ-resistant glioma cells.