NT5E and neoplasm: To evaluate the importance of the physical interaction between MGAT1 and CD73 for tumor growth, we overexpressed both MGAT1 and CD73 WT (MGAT1 OE + CD73WT) or MGAT1 and CD73-4NQ (MGAT1 OE + CD734NQ) in 4T1 and E0771 murine TNBC cell lines.