HLA-G and melanoma: Choriocarcinoma JEG-3 and melanoma FON+ cell lines were transfected, as previously described19, with pGL3-Basic vector constructions containing one of the ten most frequent HLA-G 5′URR haplotypes known as G0104a; G0104b; G010102a; G010101a; G010101b; G010101c; G010101d; G010101f; G0103a and G0103e.