Epigenetic mechanisms regulate MHC and antigen processing molecules in human embryonic and induced pluripotent stem cells. oleh Beatriz Suárez-Alvarez, Ramón M Rodriguez, Vincenzo Calvanese, Miguel A Blanco-Gelaz, Steve T Suhr, Francisco Ortega, Jesus Otero, Jose B Cibelli, Harry Moore, Mario F Fraga, Carlos López-Larrea