Long non-coding RNA Lnc-408 promotes invasion and metastasis of breast cancer cell by regulating LIMK1.

Long non-coding RNA Lnc-408 promotes invasion and metastasis of breast cancer cell by regulating LIMK1.
复制标题

长链非编码RNA Lnc-408通过调控LIMK1促进乳腺癌细胞侵袭和转移

DOI:
10.1038/s41388-021-01845-y
复制
发表时间:
2021-06
期刊:
影响因子:
8
通讯作者:
Hou Y
Hou Y
中科院分区:
医学1区
文献类型:
--
作者:
Qiao Y;Jin T;Guan S;Cheng S;Wen S;Zeng H;Zhao M;Yang L;Wan X;Qiu Y;Li Q;Liu M;Hou Y

文献摘要

参考文献

被引文献

相似文献

侵袭和转移是乳腺癌(BC)患者死亡的主要原因,而上皮-间质转化(EMT)在这一过程中发挥着至关重要的作用。在这里,我们发现Lnc-408,一种新的长链非编码RNA(lncRNA),在经历EMT的BC细胞和有淋巴转移的BC肿瘤中与没有淋巴转移的那些相比显著上调。Lnc-408可通过调节LIMK 1的表达增强乳腺癌的侵袭和转移。在机制上,Lnc-408充当miR-654- 5 p的海绵以减轻miR-654- 5 p对其靶LIMK 1的抑制。在侵袭性BC细胞中敲低或敲除Lnc-408明显降低LIMK 1水平,并且在MCF-7细胞中异位Lnc-408增加LIMK 1表达以促进细胞侵袭。Lnc-408介导的LIMK 1增强在细胞骨架稳定性中起关键作用,并通过p-切丝蛋白/F-肌动蛋白促进BC细胞中的侵袭足形成。此外,LIMK 1的增加还通过磷酸化CREB促进MMP 2、ITGB 1和COL 1A 1的表达。总之,我们的研究结果表明,Lnc-408通过Lnc-408/miR-654- 5 p/LIMK 1轴促进BC侵袭和转移,突出了BC诊断和治疗的新的有希望的靶点。
Invasion and metastasis are the leading causes of death in patients with breast cancer (BC), and epithelial-mesenchymal transformation (EMT) plays an essential role in this process. Here, we found that Lnc-408, a novel long noncoding RNA (lncRNA), is significantly upregulated in BC cells undergoing EMT and in BC tumor with lymphatic metastases compared with those without lymphatic metastases. Lnc-408 can enhance BC invasion and metastasis by regulating the expression of LIMK1. Mechanistically, Lnc-408 serves as a sponge for miR-654-5p to relieve the suppression of miR-654-5p on its target LIMK1. Knockdown or knockout of Lnc-408 in invasive BC cells clearly decreased LIMK1 levels, and ectopic Lnc-408 in MCF-7 cells increased LIMK1 expression to promote cell invasion. Lnc-408-mediated enhancement of LIMK1 plays a key role in cytoskeletal stability and promotes invadopodium formation in BC cells via p-cofilin/F-actin. In addition, the increased LIMK1 also facilitates the expression of MMP2, ITGB1, and COL1A1 by phosphorylating CREB. In conclusion, our findings reveal that Lnc-408 promotes BC invasion and metastasis via the Lnc-408/miR-654-5p/LIMK1 axis, highlighting a novel promising target for the diagnosis and treatment of BC.
DOI: 10.1002/jcb.27435
发表时间: 2019-04-01
影响因子: 4
作者:
Dong, Lifeng;Qian, Junbin;Long, Jingpei
通讯作者: Long, Jingpei
DOI: 10.1038/s41388-019-0860-0
发表时间: 2019-08-08
期刊: ONCOGENE
影响因子: 8
作者:
Majem, Blanca;Parrilla, Alfonso;Santamaria, Anna
通讯作者: Santamaria, Anna
DOI: 10.1002/jbt.21933
发表时间: 2017-09-01
影响因子: 3.6
作者:
Li, Zhen;Li, Yan;Wang, Jiaxiang
通讯作者: Wang, Jiaxiang
DOI: 10.1007/s00428-018-2298-0
发表时间: 2018-05-01
期刊: VIRCHOWS ARCHIV
影响因子: 3.5
作者:
Aggelou, Helen;Chadla, Panagiota;Bravou, Vasiliki
通讯作者: Bravou, Vasiliki
DOI: 10.3233/cbm-170874
发表时间: 2018-01-01
期刊: CANCER BIOMARKERS
影响因子: 3.1
作者:
Lu, Rongzhao;Zhang, Jie;Qu, Shaohua
通讯作者: Qu, Shaohua