Glucocorticoid counteracts cellular mechanoresponses by LINC01569-dependent glucocorticoid receptor-mediated mRNA decay.

Glucocorticoid counteracts cellular mechanoresponses by LINC01569-dependent glucocorticoid receptor-mediated mRNA decay.
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糖皮质激素通过 LINC01569 依赖性糖皮质激素受体介导的 mRNA 衰减来抵消细胞机械反应

DOI:
10.1126/sciadv.abd9923
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发表时间:
2021-03
期刊:
影响因子:
13.6
通讯作者:
Hu D
Hu D
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zhu H;Li J;Li Y;Zheng Z;Guan H;Wang H;Tao K;Liu J;Wang Y;Zhang W;Li C;Li J;Jia L;Bai W;Hu D

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糖皮质激素通过一种新的lncrna依赖的mRNA衰变机制来抵消细胞机械反应。对细胞的机械刺激和机械转导在许多生物和病理过程中是必不可少的。糖皮质激素是一种重要的激素,其在细胞机械转导中的作用和机制尚不清楚。在这里,我们报道了糖皮质激素依赖于一种新的长链非编码RNA (lncRNA) LINC01569来抵消细胞的机械反应。此外,LINC01569介导的糖皮质激素通过破坏包括早期生长反应蛋白1 (EGR1)、Cbp/ p300相互作用反激活因子2 (CITED2)和骨形态发生蛋白7 (BMP7)在内的机械传感器信使RNA (mRNA)的稳定,以糖皮质激素受体介导的mRNA衰变(GMD)方式对机械转导产生影响。在机制上,LINC01569直接与GMD因子y -box结合蛋白1 (YBX1)结合。然后,LINC01569-YBX1复合物通过特异性的LINC01569-mRNA相互作用被引导到EGR1、CITED2和BMP7的mrna上,从而促进GMD复合物的成功组装并引发GMD。我们的研究结果揭示了糖皮质激素在细胞机械转导和新型lncrna依赖性GMD机制中的作用,并为机械紊乱相关疾病的早期干预提供了潜在的策略。
Glucocorticoid counteracts cellular mechanoresponses by a novel lncRNA-dependent mRNA decay machinery. Mechanical stimuli on cells and mechanotransduction are essential in many biological and pathological processes. Glucocorticoid is an important hormone, roles, and mechanisms of which in cellular mechanotransduction remain unknown. Here, we report that glucocorticoid counteracted cellular mechanoresponses dependently on a novel long noncoding RNA (lncRNA), LINC01569. Further, LINC01569 mediated glucocorticoid effects on mechanotransduction by destabilizing messenger RNA (mRNA) of mechanosensors including early growth response protein 1 (EGR1), Cbp/P300-interacting transactivator 2 (CITED2), and bone morphogenic protein 7 (BMP7) in glucocorticoid receptor–mediated mRNA decay (GMD) manner. Mechanistically, LINC01569 directly bound to the GMD factor Y-box–binding protein 1 (YBX1). Then, the LINC01569-YBX1 complex was guided to the mRNAs of EGR1, CITED2, and BMP7 through specific LINC01569-mRNA interaction, thereby contributing to the successful assembly of GMD complex and triggering GMD. Our results uncovered roles of glucocorticoid in cellular mechanotransduction and novel lncRNA-dependent GMD machinery and provided potential strategy for early intervention in mechanical disorder–associated diseases.
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