Dendritic cells (DCs) are central to the initiation and regulation of an immune response. Why are DCs tolerogenic?

Question

Answer

Because they can take up extracellular fluid by macropinocytosis

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Because they are professional antigen-presenting cells

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Because they are involved in negative selection in the thymus and peripheral tolerance

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Because they are present in the lymph node

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Because they are expressing CD4 molecules

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