Here, we highlight some emerging themes of antigen processing and presentation that we think merit further attention. Figure 1: Six steps for loading and trafficking of MHC class I molecules to ...

Antigen-presenting cells ... antigen-internalization stage by processing antigens extracellularly and loading peptides onto empty, surface class II molecules. Figure 1: Three pathways for loading ...

For analysis of the necessary complex antigen processing and transport processes in real time, a German team has developed a "cage" that is opened with light to release trapped antigens at a ...