期刊
JOURNAL OF VIROLOGY
卷 81, 期 22, 页码 12666-12669出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JVI.01450-07
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- ICREA Funding Source: Custom
Human immunodeficiency virus type 1 (HIV-1) cytotoxic T-lymphocyte escape mutations represent both a major reason for loss of HIV immune control and a considerable challenge for HIV-1 vaccine design. Previous data suggest that initial HIV-1-specific CD8(+) T-cell responses are determined largely by viral and host genetics, but the mechanisms influencing the subsequent viral evolution are unclear. Here, we show a random recruitment of T-cell receptor (TCR) alpha and beta clonotypes of the initial HIV-1-specific CD8(+) T cells during primary infection in two genetically identical twins infected simultaneously with the same virus, suggesting that stochastic TCR recruitment of HIV-1-specific CD8(+) T cells contributes to the diverse and unpredictable HIV-1 sequence evolution.
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