Circular RNA GRB10 as a competitive endogenous RNA regulating nucleus pulposus cells death in degenerative intervertebral disk.

Circular RNA GRB10 as a competitive endogenous RNA regulating nucleus pulposus cells death in degenerative intervertebral disk.
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DOI:
10.1038/s41419-017-0232-z
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发表时间:
2018-02-23
影响因子:
9
通讯作者:
Li YJ
Li YJ
中科院分区:
生物学1区
文献类型:
--
作者:
Guo W;Zhang B;Mu K;Feng SQ;Dong ZY;Ning GZ;Li HR;Liu S;Zhao L;Li Y;Yu BB;Duan HQ;Sun C;Li YJ

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椎间盘退变(IDD)是导致下腰痛的重要因素,但其潜在机制仍知之甚少。与正常髓核(NP)组织相比,IDD组织中circ-GRB 10表达下调。此外,过表达circ-GRB 10抑制NP细胞凋亡。circ-GRB 10可以螯合miR-328- 5 p,这可能通过ErbB途径导致与细胞增殖相关的靶基因上调。综上所述,本研究揭示了circ-GRB 10/miR-328- 5 p/ERBB 2信号通路参与IDD的发生发展,提示circ-GRB 10可能成为IDD治疗的新靶点。
Intervertebral disc degeneration (IDD) is an important factor leading to low back pain, but the underlying mechanisms remain poorly understood. Compared with normal nucleus pulposus (NP) tissues, the expression of circ-GRB10 was downregulated in IDD. Furthermore, overexpression of circ-GRB10 inhibited NP cell apoptosis. circ-GRB10 could sequester miR-328-5p, which could potentially lead to the upregulation of target genes related to cell proliferation via the ErbB pathway. In conclusion, the present study revealed that circ-GRB10/miR-328-5p/ERBB2 signaling pathway is involved in IDD development, suggesting that circ-GRB10 might be a novel therapeutic target for IDD.
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