REDUCED RATE OF DISEASE DEVELOPMENT AFTER HIV-2 INFECTION AS COMPARED TO HIV-1

REDUCED RATE OF DISEASE DEVELOPMENT AFTER HIV-2 INFECTION AS COMPARED TO HIV-1
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DOI:
10.1126/science.7915856
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发表时间:
1994-09-09
期刊:
影响因子:
56.9
通讯作者:
ESSEX, M
ESSEX, M
中科院分区:
综合性期刊1区
文献类型:
--
作者:
MARLINK, R;KANKI, P;ESSEX, M

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人类免疫缺陷病毒 2 型 (HIV-2) 是原型获得性免疫缺陷综合症 (AIDS) 病毒 HIV-1 的近亲。 HIV-2 在生物学上与 HIV-1 相似,但缺乏有关 HIV-2 感染者临床结果的信息。从 1985 年到 1993 年,对感染 HIV-2 和 HIV-1 的女性进行了一项前瞻性临床研究,以确定和比较疾病发生率。感染 HIV-1 的女性在血清转化后 5 年内无艾滋病生存的可能性为 67%,而感染 HIV-2 的女性则为 100%。与 HIV-1 参与者相比,HIV-2 参与者的 HIV 相关疾病结果显着减少,HIV-2 感染者出现异常 CD4(+) 淋巴细胞计数的比率也显着降低。这项自然史研究表明,与 HIV-1 相比,HIV-2 的毒力较低。
Human immunodeficiency virus type-2 (HIV-2) is a close relative of the prototype acquired immunodeficiency syndrome (AIDS) virus, HIV-1. HIV-2 is biologically similar to HIV-1, but information is lacking concerning clinical outcomes of HIV-2-infected individuals. From 1985 to 1993, a prospective clinical study was conducted in women with HIV-2 and HIV-1 infection to determine and compare rates of disease development. HIV-1-infected women had a 67% probability of AIDS-free survival 5 years after seroconversion in contrast with 100% for HIV-2-infected women. In addition to having significantly less HIV-related disease outcome in HIV-2 enrollees compared to HIV-1 enrollees, the rate of developing abnormal CD4(+) lymphocyte counts with HIV-2 infection was also significantly reduced. This natural history study demonstrates that HIV-2 has a reduced virulence compared to HIV-1.