ROBO1 and neoplasm: Although no mutations were identified in 1781T in the targeted analysis of tumour suppressor gene candidates ROBO1, GBE1 and VGLL3[22], [23], [25], miRNAs or other noncoding RNAs (ncRNAs), either located within this region or acting upon expression of genes in the region, may play a role in the development of these tumours.