The function of TMEM18 (transmembrane protein 18, Ensembl gene identifier ENSG00000151353) is as follows. Transcription repressor. Sequence-specific ssDNA and dsDNA binding protein, with preference for GCT end CTG repeats. Cell migration modulator which enhances the glioma-specific migration ability of neural stem cells (NSC) and neural precursor cells (NPC). .