STAT3-dependent transactivation of miRNA genes following Toxoplasma gondii infection in macrophage.
STAT3-dependent transactivation of miRNA genes following Toxoplasma gondii infection in macrophage.
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巨噬细胞中弓形虫感染后 STAT3 依赖性 miRNA 基因反式激活
DOI:
10.1186/1756-3305-6-356
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发表时间:
2013-12-16
影响因子:
3.2
通讯作者:
Shen J
中科院分区:
文献类型:
--
作者:
Cai Y;Chen H;Jin L;You Y;Shen J
The apicomplexan parasite Toxoplasma gondii can infect and replicate in virtually any nucleated cell in many species of warm-blooded animals; T. gondii has elaborate mechanisms to counteract host-cell apoptosis in order to maintain survival and breed in the host cells. Using microarray profiling and a combination of conventional molecular approaches, we investigated the levels of microRNAs (miRNAs ) in human macrophage during T. gondii infection. We used molecular tools to examine Toxoplasma-upregualted miRNAs to revealed potential signal transducers and activators of transcription 3(STAT3) binding sites in the promoter elements of a subset of miRNA genes. We analysed the apoptosis of human macrophage with the functional inhibition of the STAT3-binding miRNAs by flow cytometry. Our results demonstrated differential alterations in the mature miRNA expression profile in human macrophage following T. gondii infection. Database analysis of Toxoplasma-upregulated miRNAs revealed potential STAT3 binding sites in the promoter elements of a subset of miRNA genes. We demonstrated that miR-30c-1, miR-125b-2, miR-23b-27b-24-1 and miR-17 ~ 92 cluster genes were transactivated through promoter binding of the STAT3 following T. gondii infection. Importantly, functional inhibition of selected STAT3-binding miRNAs in human macropahges increased apoptosis of host cells. A panel of miRNAs is regulated through promoter binding of the STAT3 in human macrophage and these miRNAs are involved in anti-apoptosis in response to T. gondii infection.
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影响因子:
3.7
作者:
Wang L;Chen H;Liu D;Huo X;Gao J;Song X;Xu X;Huang K;Liu W;Wang Y;Lu F;Lun ZR;Luo Q;Wang X;Shen J
通讯作者:
Shen J
DOI:
10.3347/kjp.2012.50.1.1
发表时间:
2012-03
期刊:
The Korean journal of parasitology
影响因子:
--
作者:
Song KJ;Ahn HJ;Nam HW
通讯作者:
Nam HW
影响因子:
3.7
作者:
Xue X;Sun J;Zhang Q;Wang Z;Huang Y;Pan W
通讯作者:
Pan W
DOI:
10.1016/s0960-0760(02)00065-1
发表时间:
2002-07-01
影响因子:
4.1
作者:
Kramer, PR;Wray, S
通讯作者:
Wray, S
影响因子:
64.8
作者:
Saeij, J. P. J.;Coller, S.;Boothroyd, J. C.
通讯作者:
Boothroyd, J. C.