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Nature Cell Biology 4, E213 (1 September 2002) | doi:10.1038/ncb0902-e213

Taking the easy way out?

Alison Schuldt

Immature dendritic cells (DCs) in our immune system continuously sample the environment for rogue antigens, ready to alert the body to any foreign invaders. These antigens accumulate in the lysosomes of DCs together with antigen-presenting major histocompatability complex class-II (MHC-II) molecules.