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mavis

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  1. Both dendritic cell and B cells have B7. B7-CD28 interaction is a co-stimulatory signal for the activation of Naive T cells instead of memory cells. When antigen is internized into B cells, then expressed to MHC II and presented to Th cells. The B7-CD28 costimularoty signals are needed too. http://www.ask4biology.com
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