生物
逆转录病毒
热带痉挛性截瘫
转录因子
病毒复制
细胞生长
病毒
抄写(语言学)
白血病
T细胞白血病
病毒学
基因
癌症研究
细胞生物学
遗传学
语言学
脊髓
脊髓病
神经科学
哲学
出处
期刊:Annual Review of Immunology
[Annual Reviews]
日期:2001-04-01
卷期号:19 (1): 475-496
被引量:457
标识
DOI:10.1146/annurev.immunol.19.1.475
摘要
The human T cell leukemia virus-1 (HTLV-1) is a retrovirus that causes adult T cell leukemia (ATL) and neurological disorder, the tropical spastic paraparesis (HAM/TSP). The pathogenesis apparently results from the pleiotropic function of Tax protein, which is a key regulator of viral replication. Tax exerts (a) trans-activation and -repression of transcription of different sets of cellular genes through binding to groups of transcription factors and coactivators, (b) dysregulation of cell cycle through binding to inhibitors of CDK4/6, and (c) inhibition of some tumor suppressor proteins. These effects on a wide variety of cellular targets seem to cooperate in promoting cell proliferation. This is an effective viral strategy to amplify its proviral genome through replication of infected cells; ultimately it results in cell transformation and leukemogenesis.
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