An androgen reduced transcript of LncRNA GAS5 promoted prostate cancer proliferation.

An androgen reduced transcript of LncRNA GAS5 promoted prostate cancer proliferation.
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雄激素减少的 LncRNA GAS5 转录物促进前列腺癌增殖

DOI:
10.1371/journal.pone.0182305
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发表时间:
2017
期刊:
影响因子:
3.7
通讯作者:
Li Y
Li Y
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zhang Y;Su X;Kong Z;Fu F;Zhang P;Wang D;Wu H;Wan X;Li Y

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前列腺癌(PCa)是当今男性死亡的主要原因。近年来的研究表明,雄激素反应性长链非编码RNA在前列腺癌的发生、发展中起重要作用。在这项研究中,我们重点关注了GAS 5的一种特殊转录本(ENST00000456293.5,GAS 5 -007),据报道它是一种肿瘤抑制因子。在这里,我们证明了GAS 5 -007被雄激素处理减少并被AR抑制。接下来,我们探索了GAS的表达水平,发现在公共数据库和人体组织样本中,它在PCa组织中的表达高于正常组织。功能分析表明GAS 5与翻译延伸、蛋白质合成和转录调控有关。GAS 5 -007基因敲低可抑制PCa细胞增殖、细胞周期的变化,并促进细胞凋亡。我们还构建了一个GAS 5-miRNA网络来解释不同GAS 5转录本在PCa中的不同作用。本研究为临床治疗中识别潜在的前列腺癌诊断生物标志物和治疗靶点提供了新的见解。
Prostate cancer (PCa) becomes a leading cause of death in males nowadays. Recent reports showed that androgen-responsive long non-coding RNAs played important roles in tumorigenesis and progression of PCa. In this study, we focused on a special transcript of GAS5 (ENST00000456293.5, GAS5-007), which was reported as a tumor suppressor. Here, we demonstrated GAS5-007 was reduced by androgen treatment and inhibited by AR. Next, we explored the expression level of GAS, finding the expression of it in PCa tissue was higher than normal tissue in both public databases and human tissue samples. Functional analysis of GAS5 showed it was related to regulating translational elongation, protein biosynthesis, and transcription. Moreover, we observed GAS5-007 knockdown inhibited the proliferation, cell cycle and promoted cell apoptosis of PCa. We also constructed a GAS5-miRNA network to explain the different roles of different GAS5 transcripts in PCa. This study provides novel insights to identify potential diagnostic biomarker and therapy target for prostate cancer in clinical treatment.
长链非编码RNA GAS5表达降低提示预后不良,并通过调节波形蛋白促进肝细胞癌细胞增殖和侵袭。
DOI: 10.3892/mmr.2015.4716
发表时间: 2016-02
影响因子: 3.4
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DOI: 10.18632/oncotarget.3457
发表时间: 2015-05-10
期刊: Oncotarget
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将转录因子识别为单一的同源物2作为前列腺癌中潜在的生物标志物和免疫疗法靶标。
DOI: 10.1158/1078-0432.ccr-09-0911
发表时间: 2009-09-15
期刊: Clinical cancer research : an official journal of the American Association for Cancer Research
影响因子: --
作者:
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DOI: 10.1371/journal.pone.0122143
发表时间: 2015
期刊: PloS one
影响因子: 3.7
作者:
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DOI: 10.3390/genes6030484
发表时间: 2015-07-07
期刊: Genes
影响因子: 3.5
作者:
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通讯作者: Williams GT