Human immunodeficiency virus drug therapy and virus load

被引:150
作者
Bonhoeffer, S [1 ]
Coffin, JM [1 ]
Nowak, MA [1 ]
机构
[1] TUFTS UNIV, DEPT MOL BIOL & MICROBIOL, BOSTON, MA 02111 USA
基金
英国惠康基金;
关键词
D O I
10.1128/JVI.71.4.3275-3278.1997
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Analysis of the short-term dynamics of human immunodeficiencg virus (HIV) type 1 infection in response to drug therapy has elucidated crucial kinetic properties of viral dynamics in vivo (D. D. Ho et al., Nature 373:123-126, 1995; A. S. Perelson et al., Science 271:1582-1586, 1996; X. Wei et al., Nature 373:117-122, 1995). Here we investigated long-term changes in virus Load in patients treated with a combination of lamivudine and zidovudine to identify principal factors responsible for the observed 10- to 100-fold sustained suppression of virus load in vivo. Interestingly, most standard accounts of virus dynamics cannot explain a large sustained reduction without shifting the virus very close to extinction. The effect can be explained by taking into consideration either (i) the immune response against HIV, (ii) the killing of uninfected CD4 cells, or (iii) the differential efficacies of the drugs in different cell populations.
引用
收藏
页码:3275 / 3278
页数:4
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