To explore the relationship between the expression level of MATN1‐AS1, miR‐200b/c/429 and CHD1, we detected their expression in glioma tissues and cell lines, and the downregulation of miR‐200b/c/429 and the upregulation of CHD1 were observed in glioma tissues and cell lines (Figure S2A,B). This evidence concerns the gene MATN1 and glioma.