NLGN1 and neoplasm: The analysis on TMA (Fig. 1D-F) showed that NLGN1 was expressed by tumor cells as follow: about half of the TMA’s cores (75, 52%) were positive for NLGN1: 5 with score 3 (3,3%), 21 with score 2 (14%) and 49 with score 1 (32,7%).