Abstract

Although double negative T (DNT) cells (CD3+CD4-CD8-) share some characteristics with T regulatory cells, the relationship between DNT cells and disease progression in HIV infection is unclear. In this study, we analyzed the relationship between DNT cells and disease progression during the first 2 years of HIV infection. We found that DNT cell numbers tended to decrease with disease progression. There was a positive correlation between DNT cells and CD4 counts. The DNT cell numbers were significantly lower in the high viral load group compared with the low viral load group. Therefore, we conclude that DNT cells correlated with disease progression in HIV infection. These data provide valuable information for further understanding of the role of DNT cells during HIV infection.

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