AS1411通过其平行结构与核素结合,并破坏了质瘤和星体细胞之间的外微RNA-27a介导的互动激活循环

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Xiaoming Sun¹, Wenzi Zhang¹, Changlong Gou²

¹School of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, China; Biomedical Research Institute, Hubei University of Medicine, Shiyan 442000, China; Hubei Key Laboratory of Embryonic Stem Cell Research, Hubei University of Medicine, Shiyan 442000, China.

Biochimica et biophysica acta. Molecular basis of disease

|May 3, 2024

概括

寡核酸AS1411破坏了质瘤细胞和星球细胞之间的通信循环,抑制了质瘤的扩散. 这种受体向核素,降低miRNA-27a的调节,并影响PI3K/AKT通路.

科学领域:

神经瘤学神经瘤学
分子生物学分子生物学
生物技术是生物技术.

背景情况:

质瘤细胞和天体细胞的相互作用促进瘤的生长.
星细胞衍生的外体和microRNAs (miRNAs) 都与质瘤的进展有关.
需要阐明由天体细胞外体介导的质瘤促进的精确机制.

研究的目的:

为了研究外体-miRNA-27a在天体细胞-质母细胞瘤交叉激活中的作用.
评估AS1411胺体在调节这种相互作用方面的治疗潜力.
阐明AS1411抑制质瘤增殖的分子机制.

主要方法:

利用AS1411的阿帕特马,通过其G-四重复结构准核.
研究了AS1411对星球细胞中miRNA-27a表达和外体细胞释放的影响.
分析了AS1411对质瘤细胞中NF-κB和PI3K/AKT信号通路的影响.
在小鼠 орто托普质瘤模型和人类质瘤样本中验证的发现.

主要成果:

AS1411与核结合抑制了NF-κB通路激活和P65.5的核转移.
AS1411降低了天体细胞外体介导的miRNA-27a,因此在质瘤细胞中调节了INPP4B.
AS1411抑制PI3K/AKT通路,导致质瘤扩散的减少.
在临床前质瘤模型中证实了AS1411的治疗疗效.

结论:

AS1411有效地破坏了由外体-miRNA-27a介导的星细胞-质瘤相互激活循环.
AS1411的G-四重体结构对于其核结合和抑制作用至关重要.
AS1411为调节质瘤微环境和抑制瘤生长提供了一个有前途的治疗策略.

关键词:

在AS1411中,使用的是AS1411.星球细胞是星球细胞.在外基因-miRNA-27a中.这是一个G-四重复式.质瘤是一种质瘤.INPP4B (伊诺西多酸-4-酸酶II型) 是一种核素核素是一种核素.

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