KSHV LANA and EBV LMP1 induce the expression of UCH-L1 following viral transformation.

KSHV LANA and EBV LMP1 induce the expression of UCH-L1 following viral transformation.
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DOI:
10.1016/j.virol.2013.10.018
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发表时间:
2014-01-05
期刊:
影响因子:
3.7
通讯作者:
Pagano, Joseph S.
Pagano, Joseph S.
中科院分区:
医学3区
文献类型:
--
作者:
Bentz, Gretchen L.;Bheda-Malge, Anjali;Wang, Ling;Shackelford, Julia;Damania, Blossom;Pagano, Joseph S.
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泛素 C 末端水解酶 L1 (UCH-L1) 具有致癌特性,并且在恶性肿瘤中高度表达。我们最近记录了 Epstein-Barr 病毒 (EBV) 感染诱导 uch-l1 表达。在这里,我们表明卡波西肉瘤相关疱疹病毒(KSHV)感染通过 KSHV 潜伏相关核抗原(LANA)和 RBP-Jκ 的配合以及 uch-l1 启动子的激活诱导 UCH-L1 表达。与仅感染 KSHV 的原发性渗出性淋巴瘤 (PEL) 细胞相比,在同时感染 KSHV 和 EBV 的原发性渗出性淋巴瘤 (PEL) 细胞中 UCH-L1 表达也有所增加,表明 EBV 增强了 LANA 对 uch-l1 的作用。 EBV 潜伏膜蛋白 1 (LMP1) 是 PEL 细胞中表达的少数 EBV 产物之一。结果表明,LMP1足以诱导uch-l1表达,并且LMP1和LANA共表达对uch-l1表达具有累加效应。这些结果表明,两种人类 γ-疱疹病毒的病毒潜伏产物都有助于 uch-l1 的表达,这可能有助于淋巴恶性肿瘤的进展。
Ubiquitin C-terminal Hydrolase L1 (UCH-L1) has oncogenic properties and is highly expressed during malignancies. We recently documented that Epstein-Barr virus (EBV) infection induces uch-l1 expression. Here we show that Kaposi's Sarcoma-associated herpesvirus (KSHV) infection induced UCH-L1 expression, via cooperation of KSHV Latency-Associated Nuclear Antigen (LANA) and RBP-Jκ and activation of the uch-l1 promoter. UCH-L1 expression was also increased in Primary Effusion Lymphoma (PEL) cells co-infected with KSHV and EBV compared with PEL cells infected only with KSHV, suggesting EBV augments the effect of LANA on uch-l1. EBV latent membrane protein 1 (LMP1) is one of the few EBV products expressed in PEL cells. Results showed that LMP1 was sufficient to induce uch-l1 expression, and co-expression of LMP1 and LANA had an additive effect on uch-l1 expression. These results indicate that viral latency products of both human γ-herpesviruses contribute to uch-l1 expression, which may contribute to the progression of lymphoid malignancies.
DOI: 10.1371/journal.pone.0005955
发表时间: 2009-06-18
期刊: PloS one
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潜伏相关的核抗原是Kaposi肉瘤相关的疱疹病毒潜伏期的多功能蛋白。
DOI: 10.2217/fmb.11.137
发表时间: 2011-12
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DOI: 10.4161/cc.9.5.10934
发表时间: 2010-03-01
期刊: Cell cycle (Georgetown, Tex.)
影响因子: --
作者:
Bheda A;Gullapalli A;Caplow M;Pagano JS;Shackelford J
通讯作者: Shackelford J