E2F1 and glioma: It has been previously reported that SNHG18 is transactivated by megakaryocytic leukaemia 1 in non-small cell lung cancers33 and E2F transcription factor 1 in glioma.75 However, our unpublished data showed that none of these were impacted in serum-starved VSMCs by TGFβ1 treatment.