SLC34A2 and ovarian carcinoma: The monoclonal antibodies MX35 were generated from mice immunized with a cocktail of human ovarian carcinoma cells (Mattes et al., 1987), while L2 (20/3) mAbs were produced in mice immunized with the truncated recombinant NaPi2b protein (ECD, 188–361 aa) (Kiyamova R. et al., 2008).