Impact of Gag sequence variability on level, phenotype, and function of anti-HIV Gag-specific CD8(+) cytotoxic T lymphocytes in untreated chronically HIV-infected patients.

Abstract excerpt

The role of cytotoxic T lymphocyte responses in controlling viral replication during chronic HIV infection remains controversial. Viral escape mutations driven by immune pressure have been postulated to be an important mechanism contributing to the evasion of CD8(+) T cell responses. To explore this issue in more detail, HIV-1 p17 sequence variability was examined in chronically HIV-infected patients, in parallel...

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