CD207 and Alzheimer disease: Our data may provide molecular insight into the association between AD and S. aureus from two different angles: on the immunological side, we show how langerin and LCs are involved in the immune response to S. aureus, while on the microbiological side, the involvement of langerin could explain the association of S. aureus but not CoNS species with AD and possibly also the overrepresentation of tarM-bearing CC1 strains in AD.