<prompt> Non professional antigen presenting cell is AERed blood cellsEndothelial cellEpidermal cellFibroblasts  <response>: Non-professional antigen presenting cello A non-professional APC does not constitutively express the Major Histocompatibility Complex class IIMHC class II proteins required for interaction with naive T cells; these are expressed only uponStimulation of the non- professional APC by certain cytokines such as IFN-γ. All nucleated cells express the Major Histocompatibility Complex class I necessary to be considered aNon- professional APC. As erythrocytes do not have a nucleus, they are one of the few cells in the body that cannot displayAntigens. 