The long non-coding RNA NONHSAT062994 inhibits colorectal cancer by inactivating Akt signaling.

The long non-coding RNA NONHSAT062994 inhibits colorectal cancer by inactivating Akt signaling.
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长非编码 RNA NONHSAT062994 通过失活 Akt 信号传导抑制结直肠癌

DOI:
10.18632/oncotarget.19827
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发表时间:
2017-09-15
期刊:
影响因子:
--
通讯作者:
Gan WJ
Gan WJ
中科院分区:
其他
文献类型:
--
作者:
He XS;Guo LC;Du MZ;Huang S;Huang RP;Zhan SH;Gu DM;Liu WS;Wang XM;Wu H;Gan WJ

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长链非编码RNA(lncRNA)的异常表达与癌症的发生和进展有关。然而,NONHSAT 062994调节结直肠癌(CRC)的临床意义和机制尚不清楚。我们在此报道了NONHSAT 062994在人结直肠癌组织和细胞系中显著下调。此外,其表达与CRC患者的肿瘤大小和总生存(OS)时间呈负相关。在CRC细胞中,NONHSAT 062994的过表达和敲低分别在体外和体内抑制和增强CRC细胞生长。从机制上讲,NONHSAT 062994通过灭活Akt信号传导而发挥肿瘤抑制剂的作用以抑制CRC细胞生长。值得注意的是,在临床CRC样本中,NONHSAT 062994表达状态与Akt下游靶点c-Myc和Cyclin D1呈负相关。目前的研究结果表明,NONHSAT 062994通过调节Akt信号在CRC的发展中起着关键作用,并确定了CRC患者的候选预后生物标志物或潜在治疗靶点。
The aberrant expression of long noncoding RNAs (lncRNAs) is implicated in cancer development and progression. However, the clinical significance and mechanism by which NONHSAT062994 regulates colorectal cancer (CRC) is unknown. We here reported that NONHSAT062994 was significantly downregulated in human CRC tissues and cell lines. Moreover, its expression was inversely correlated with tumor size and overall survival (OS) time in CRC patients. In CRC cells, the overexpression and knockdown of NONHSAT062994 inhibited and enhanced CRC cell growth, respectively, in vitro and in vivo. Mechanistically, NONHSAT062994 functioned as a tumor suppressor to inhibit CRC cell growth by inactivating Akt signaling. Notably, the NONHSAT062994 expression status was negatively correlated with the Akt downstream targets c-Myc and Cyclin D1 in clinical CRC samples. The current findings suggest that NONHSAT062994 plays a critical role in the development of CRC by regulating Akt signaling, and identified a candidate prognostic biomarker or potential therapeutic target for CRC patients.
OVOL2 是一种 WNT 信号传导抑制剂,可减少人类和小鼠癌细胞的侵袭活性,并在人类结直肠肿瘤中下调
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