LINC01977 Promotes Breast Cancer Progression and Chemoresistance to Doxorubicin by Targeting miR-212-3p/GOLM1 Axis.

LINC01977 Promotes Breast Cancer Progression and Chemoresistance to Doxorubicin by Targeting miR-212-3p/GOLM1 Axis.
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Linc01977通过靶向miR-212-3p/golm1轴来促进乳腺癌的进展和对阿霉素的化学抗性。

DOI:
10.3389/fonc.2021.657094
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发表时间:
2021
影响因子:
4.7
通讯作者:
Yang Q
Yang Q
中科院分区:
医学3区
文献类型:
--
作者:
Li Z;Li Y;Wang X;Liang Y;Luo D;Han D;Li C;Chen T;Zhang H;Liu Y;Wang Z;Chen B;Wang L;Zhao W;Yang Q

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长链非编码RNA(lncRNA)在癌症的发生和发展中起着重要作用。然而,涉及乳腺癌的hub lncRNA仍然未被探索。在这项研究中,整合的生物信息学分析被用来定义LINC 01977作为一个关键的致癌驱动在乳腺癌。随后,体外试验显示LINC 01977可显著促进乳腺癌进展和对阿霉素的耐药性。为了进一步研究其生物学机制,我们进行了双荧光素酶报告基因分析,实时荧光定量PCR,RNA免疫沉淀(RIP),和救援试验。我们的研究结果表明LINC 01977可能作为ceRNA通过海绵状的miR-212- 3 p阻止GOLM 1基因被miRNA介导的抑制。总体而言,LINC 01977可以作为一种新的预后指标,并有助于为乳腺癌患者开发更有效的治疗方法。
Long non-coding RNAs(lncRNAs) play an important role in cancer initiation and progression. However, hub lncRNAs involved in breast cancer still remain underexplored. In this study, integrated bioinformatics analysis was used to define LINC01977 as a key oncogenic driver in breast cancer. Subsequently, in vitro assays showed that LINC01977 could significantly promote breast cancer progression and chemoresistance to doxorubicin. To further investigate its biological mechanism, we performed dual-luciferase reporter assay, real-time PCR, RNA immunoprecipitation (RIP), and rescue assay. Our results indicated that LINC01977 may function as ceRNA to prevent GOLM1 gene from miRNA-mediated repression by sponging miR-212-3p. Overall, LINC01977 can serve as a novel prognostic indicator, and help develop more effective therapeutic approaches for breast cancer patients.
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