In particular, the activity of CD39 (witnessed by the conversion of ATP to ADP and AMP) and of CD73 (demonstrated by the ability to convert AMP to ADO) was higher in MV from NB patients than in those from controls, whereas the enzymatic functions of CD203a/PC-1 and CD38 were similar in these two groups [55]. Here, ENTPD1 is linked to neuroblastoma.