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Infectious and inflammatory diseases have repeatedly shown strong genetic associations within the major histocompatibility complex (MHC); however, the basis for these associations remains elusive. To define host genetic effects on the outcome of a chronic viral infection, we performed genome-wide association analysis in a multiethnic cohort of HIV-1(More)
Functional defects in cytotoxic CD8(+) T cell responses arise in chronic human viral infections, but the mechanisms involved are not well understood. In mice, CD4 cell-mediated interleukin-21 (IL-21) production is necessary for the maintenance of CD8(+) T cell function and control of persistent viral infections. To investigate the potential role of IL-21 in(More)
The generation of adaptive immune responses occurs in the lymph node (LN) and requires that lymphocytes locate and interact with cognate antigen-bearing dendritic cells. This process requires the coordinated movement of both innate and adaptive immune cells, and is orchestrated by the chemokine family of chemotactic cytokines. Upon initiation of(More)
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