- Increased resistance to non-MHC-restricted cytotoxicity related to HLA A, B expression. Direct demonstration using beta 2-microglobulin-transfected Daudi cells. Quillet, A., Presse, F., Marchiol-Fournigault, C., Harel-Bellan, A., Benbunan, M., Ploegh, H., Fradelizi, D. J. Immunol. (1988)