Jaagsiekte sheep retrovirus biology and oncogenesis.

Jaagsiekte sheep retrovirus biology and oncogenesis.
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DOI:
10.3390/v2122618
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发表时间:
2010-12
期刊:
Viruses
影响因子:
--
通讯作者:
Fan H
Fan H
中科院分区:
其他
文献类型:
--
作者:
Hofacre A;Fan H

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绵羊肺腺瘤病毒(Jaagsiekte sheep retrovirus,JSRV)是引起绵羊肺腺癌(ovine pulmonary adenocarcinoma,OPA)的病原体。该病已在世界各地的几个品种的绵羊和山羊中发现,JSRV感染通常对受影响的羊群产生严重影响。此外,对OPA的研究是人类肺癌发生的极好模型。JSRV的一个独特特征是其包膜蛋白(Env)作为癌基因发挥功能。已经在多种细胞系统和动物模型中研究了JSRV Env诱导的转化或肿瘤发生。此外,JSRV研究提供了对逆转录病毒基因组RNA输出/表达机制的见解。JSRV编码env基因内的反式作用因子(Rej),该因子是从未剪接的病毒RNA合成Gag蛋白所必需的。本文综述了有关JSRV的致病机制,Env的转化,以及JSRV生物学的其他方面的研究。
Jaagsiekte sheep retrovirus (JSRV) is the causative agent of a lung cancer in sheep known as ovine pulmonary adenocarcinoma (OPA). The disease has been identified around the world in several breeds of sheep and goats, and JSRV infection typically has a serious impact on affected flocks. In addition, studies on OPA are an excellent model for human lung carcinogenesis. A unique feature of JSRV is that its envelope (Env) protein functions as an oncogene. The JSRV Env-induced transformation or oncogenesis has been studied in a variety of cell systems and in animal models. Moreover, JSRV studies have provided insights into retroviral genomic RNA export/expression mechanisms. JSRV encodes a trans-acting factor (Rej) within the env gene necessary for the synthesis of Gag protein from unspliced viral RNA. This review summarizes research pertaining to JSRV-induced pathogenesis, Env transformation, and other aspects of JSRV biology.
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