ELAVL1 and malignant peripheral nerve sheath tumor: Given the profound antitumor effects of HuR in MPNST cells, and the identification of epithelial-mesenchymal transition signature as one of the top enriched categories of HuR targets from GSEA analysis (Figure 2, B and C), we decided to examine whether HuR could be important for MPNST metastasis, using a surrogate model of lung metastasis.