Human neurotropic JC virus and its association with brain tumors.

Human neurotropic JC virus and its association with brain tumors.
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DOI:
10.1155/2001/423875
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发表时间:
2001
期刊:
影响因子:
--
通讯作者:
Khalili K
Khalili K
中科院分区:
医学4区
文献类型:
--
作者:
Khalili K

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JC病毒(JCV)是一种人类多瘤病毒,被称为致命性脱髓鞘疾病,进行性多灶性白质脑病(PML)的病原体。此外,在实验动物中,这种病毒引起广泛的中枢神经系统起源的肿瘤。最近的研究表明JCV与几种人类肿瘤相关,最显著的是儿童恶性脑肿瘤,髓母细胞瘤。JCV引起的肿瘤发展最有可能是通过涉及肿瘤抑制因子失活和病毒早期蛋白T抗原对Wnt等信号通路的失调的机制实现的。JCV的亲神经性质沿着其在实验室动物中致癌潜力的压倒性证据以及其在大量人髓母细胞瘤中的检测,促使重新评价JCV在人脑肿瘤发展中的作用。
JC virus (JCV) is a human polyomavirus known as the causative agent of the fatal demyelinating disease, Progressive Multifocal Leukoencephalopathy (PML). Further, in experimental animals this virus causes a broad range of tumors of central nervous system origin. Recent studies have suggested the association of JCV with several human tumors most notably malignant brain tumors of childhood, medulloblastoma. The development of tumors by JCV is most likely through mechanisms involving inactivation of tumor suppressors and de-regulation of signaling pathways such as Wnt by the viral early protein, T-antigen. The neurotropic nature of JCV along with the overwhelming evidence for its oncogenic potential in laboratory animals and its detection in significant numbers of human medulloblastomas invite the re-evaluation of the role for JCV in the development of human brain tumors.
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