Among them, we focalized our attention on the proteins involved in neuroblastoma development, namely, Ubiquitin specific protease 7 (i.e., USP-7), Nuclear RNA export factor 1 (i.e., NXF1), and Pescadillo homolog (i.e., PES1) [22,23,24]. The gene discussed is NXF1; the disease is neuroblastoma.