Silencing of RTVP-1 in the two human glioma cell lines, U251 and U87 resulted in downregulation of the mesenchymal markers FN, α-SMA and CTGF (Fig. 3E-3F) and in the inhibition of U87 glioma cell migration (Fig. 3G). This evidence concerns the gene GLIPR1 and central nervous system cancer.