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. 2002 Jan 2;99(1):351–358. doi: 10.1073/pnas.231606698

Figure 4.

Figure 4

Potential sites for involvement of DCs in HIV pathogenesis. In the virologic pathway (Upper), emphasized in the past, DCs catalyze HIV replication in T cells. In the immunologic pathway (Lower) proposed here, immature DCs continually capture and even replicate HIV virions, which induces peripheral tolerance, including regulatory T cells, thereby blocking the effector or protective limbs of the immune response.