The advantage of early recognition of HIV-infected cells by cytotoxic T lymphocytes.

Accumulating evidence indicates that cytotoxic T-lymphocytes (CTL) play an important role in the clearing of primary and control of chronic human immunodeficiency virus (HIV) infection. Here, we discuss recent findings that indicate that the timing of target cell recognition critically contributes to CTL effectiveness. In this light several problems that have troubled CTL research are discussed. The use of early proteins like Tat and Rev is proposed for future vaccines design

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