Involvement of LOC66273 isoform 2, a novel Mth938 containing protein, in MAPK pathway.

Involvement of LOC66273 isoform 2, a novel Mth938 containing protein, in MAPK pathway.
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LOC66273 亚型 2(一种包含 Mth938 的新型蛋白)参与 MAPK 途径。

DOI:
10.2741/e327
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发表时间:
2011
期刊:
Frontiers in bioscience (Elite edition)
影响因子:
--
通讯作者:
Zang J.
Zang J.
中科院分区:
其他
文献类型:
--
作者:
Wang H.;Zhang H.;Hu S.;Li D.;Ma X.;Zang J.

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利用双荧光素酶报告系统,我们先前的研究表明,LI2显著提高了AP-1的转录活性。亚细胞定位显示,GFP-LI2融合蛋白弥漫分布于细胞质中,胞核周围有一些高度集中的斑点,提示LI2蛋白在细胞质中具有生理功能。LI2过表达显著增加AP-1的转录活性。此外,LI2显著促进ELK1和c-Jun的转录活性,这可能至少部分与激活ERK1/2和JNK/SAPK信号通路有关。这些数据表明LI2是一种新的MAPK调节蛋白。
Using dual-luciferase reporter assay system, our previous study showed that LI2, significantly increased AP-1 transcriptional activity. Sub-cellular localization showed that GFP-LI2 fusion protein is diffusely distributed in the cytoplasm, with some highly concentrated spots around the nucleus, suggesting that LI2 protein has a physiological role in cytoplasm. Overexpression of LI2 significantly increased AP-1 transcriptional activity. Moreover, LI2 significantly promoted transcriptional activity of Elk1 and c-jun, which might, at least partly, be associated with activated ERK1/2 and JNK/SAPK signaling pathway. These data suggest that LI2 is a novel MAPK regulating protein.
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