NR4A1 promotes LEF1 expression in the pathogenesis of papillary thyroid cancer.

NR4A1 promotes LEF1 expression in the pathogenesis of papillary thyroid cancer.
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NR4A1在甲状腺乳头状癌发病机制中促进LEF1表达

DOI:
10.1038/s41420-022-00843-7
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发表时间:
2022-02-02
影响因子:
7
通讯作者:
Cheng J
Cheng J
中科院分区:
医学2区
文献类型:
--
作者:
Jiang C;He J;Xu S;Wang Q;Cheng J

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甲状腺乳头状癌(PTC)的发病率呈上升趋势,但其发病机制仍知之甚少。 NR4A1是一种转录因子,主要涉及广泛的病理生理反应,但其与PTC恶性肿瘤的关系仍不清楚。这项研究表明,NR4A1 高表达与 PTC 患者的不良生存结果密切相关。 NR4A1 的缺失通过消除 LEF1 介导的致癌改变来显着抑制 PTC 细胞的增殖。从机制上讲,NR4A1 直接与 LEF1 的启动子区域结合,并导致与组蛋白乙酰化和 DNA 去甲基化的串扰,从而转录上调 LEF1 的表达,随后促进 PTC 中下游生长相关基因的表达。根据我们的研究结果,NR4A1 可能是 PTC 发病机制和进展的一个新兴驱动因素。
The morbidity of papillary thyroid cancer (PTC) is on the rise, but its pathogenesis is still poorly understood. NR4A1 is a transcription factor primarily involving a wide range of pathophysiological responses, but its relationship with PTC malignancy remains unclear. This study demonstrates that high NR4A1 expression is strongly associated with poor survival outcomes in PTC patients. The depletion of NR4A1 significantly inhibited the proliferation of PTC cells by negating the LEF1-mediated oncogenic alteration. Mechanistically, NR4A1 directly binds to the promoter region of LEF1 and leads to crosstalk with histone acetylation and DNA demethylation to transcriptionally upregulate LEF1 expression, subsequently promoting downstream growth-related genes expressions in PTC. In the light of our findings, NR4A1 may be an emerging driving factor in PTC pathogenesis and progression.
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