1484 An interplay between innate/adaptive/humoral immunity leads to increased immunogenicity of melanoma vs. non-melanoma derived brain metastases by Kim Margolin, Ludmila Danilova, Maria L Ascierto, Russell C Rockne, Alberto Mendoza Valderrey, Daria M Kessler, Douglas A Hanes, Ethan Dettmann, Kai Rau, Yueqin Quan, Stacey Stern, Daniel F Kelly, Garni Barkhoudarian, Steven E Kolker