April 30, 2013

Human dendritic cell subsets


    The orchestration of effective immunity in vertebrates depends upon dendritic cells (DCs), a class of bone marrow-derived cells found in the blood, epithelia and lymphoid tissues. DCs are equipped with molecular sensors and antigen processing machinery to recognise pathogens, integrate chemical information and to guide the specificity, magnitude and polarity of immune responses. Recent advances have helped to define DCs as a distinct haematopoietic lineage and to establish functional specialization between different DC subsets. The aim of this review is to present a coherent framework for understanding human DC subsets and their functional roles in vivo.

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