Human T-cell leukaemia virus type 1: parasitism and pathogenesis.

Human T-cell leukaemia virus type 1: parasitism and pathogenesis.
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DOI:
10.1098/rstb.2016.0272
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发表时间:
2017-10-19
期刊:
Philosophical transactions of the Royal Society of London. Series B, Biological sciences
影响因子:
--
通讯作者:
Matsuoka M
Matsuoka M
中科院分区:
其他
文献类型:
--
作者:
Bangham CRM;Matsuoka M

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人类T细胞白血病病毒1型(HTLV-1)不仅引起成人T细胞白血病-淋巴瘤(ATL),而且引起炎性疾病,包括HTLV-1相关的脊髓病/热带痉挛性下肢轻瘫。HTLV-1主要通过细胞间接触传播,并在宿主中产生大量感染细胞,以便存活并传播到新的宿主。由此产生的高前病毒载量与ATL和炎性疾病的发展密切相关。为了增加感染细胞的数量,HTLV-1通过两个病毒基因tax和HTLV-1 bZIP因子(HBZ)的协同作用改变感染细胞的免疫表型,诱导增殖并抑制凋亡。因此,受感染的细胞存活,增殖并渗透到组织中,这对病毒的传播至关重要。因此,这种病毒的策略与其发病机制密不可分,为预防和治疗HTLV-1诱导的疾病提供了线索。这篇文章是主题问题“人类致癌病毒”的一部分。
Human T-cell leukaemia virus type 1 (HTLV-1) causes not only adult T-cell leukaemia-lymphoma (ATL), but also inflammatory diseases including HTLV-1-associated myelopathy/tropical spastic paraparesis. HTLV-1 transmits primarily through cell-to-cell contact, and generates abundant infected cells in the host in order to survive and transmit to a new host. The resulting high proviral load is closely associated with the development of ATL and inflammatory diseases. To increase the number of infected cells, HTLV-1 changes the immunophenotype of infected cells, induces proliferation and inhibits apoptosis through the cooperative actions of two viral genes, tax and HTLV-1 bZIP factor (HBZ). As a result, infected cells survive, proliferate and infiltrate into the tissues, which is critical for transmission of the virus. Thus, the strategy of this virus is indivisibly linked with its pathogenesis, providing a clue for prevention and treatment of HTLV-1-induced diseases. This article is part of the themed issue ‘Human oncogenic viruses’.
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