He Min, Xie Lei, Huang Jiayi, Su Han, Hu Jiahua, Xie Liuping, Li Mengqin, Zeng Xin, Tang Jianhong
Department of Pharmacy, The Second Affiliated Hospital of Guilin Medical University, Guilin, China.
College of Pharmacy, Guilin Medical University, Guilin, China.
Front Pharmacol. 2025 Jul 18;16:1573408. doi: 10.3389/fphar.2025.1573408. eCollection 2025.
Long non-coding RNAs (lncRNAs) are dysregulated in nasopharyngeal carcinoma (NPC), yet their interplay with pharmacological agents like aloe-emodin (AE) remains unclear. This study explores AE's anti-NPC mechanisms via lncRNA D63785 and the PI3K/Akt/mTOR pathway.
NPC cells (CNE1, C666-1) were treated with AE, followed by qRT-PCR and Western blotting to assess lncRNA D63785 and PI3K/Akt/mTOR pathway proteins. siRNA-mediated lncRNA D63785 knockdown combined with functional assays (CCK-8, EdU, colony/wound-healing) evaluated AE's effects on proliferation, migration, and pathway activity. validation used nude mouse xenografts.
LncRNA D63785 was overexpressed in NPC cells (p < 0.01). AE suppressed lncRNA D63785 expression, concurrently reducing PI3K/Akt/mTOR phosphorylation (p < 0.05). siRNA knockdown partially reversed AE's inhibition of NPC cell viability, proliferation, and migration. , AE attenuated tumor growth (p < 0.05), correlating with lncRNA D63785 downregulation and PI3K/Akt/mTOR dephosphorylation.
AE exerts anti-NPC effects by targeting the lncRNA D63785-PI3K/Akt/mTOR axis, offering a novel therapeutic strategy. These findings bridge AE's pharmacological activity with lncRNA regulatory networks in NPC pathogenesis.
长链非编码RNA(lncRNAs)在鼻咽癌(NPC)中表达失调,但其与芦荟大黄素(AE)等药物的相互作用仍不清楚。本研究通过lncRNA D63785和PI3K/Akt/mTOR通路探索AE的抗鼻咽癌机制。
用AE处理NPC细胞(CNE1、C666-1),然后进行qRT-PCR和蛋白质印迹法评估lncRNA D63785和PI3K/Akt/mTOR通路蛋白。siRNA介导的lncRNA D63785敲低结合功能试验(CCK-8、EdU、集落/伤口愈合)评估AE对增殖、迁移和通路活性的影响。通过裸鼠异种移植进行验证。
lncRNA D63785在NPC细胞中过表达(p<0.01)。AE抑制lncRNA D63785表达,同时降低PI3K/Akt/mTOR磷酸化水平(p<0.05)。siRNA敲低部分逆转了AE对NPC细胞活力、增殖和迁移的抑制作用。此外,AE减弱肿瘤生长(p<0.05),这与lncRNA D63785下调和PI3K/Akt/mTOR去磷酸化相关。
AE通过靶向lncRNA D63785-PI3K/Akt/mTOR轴发挥抗鼻咽癌作用,提供了一种新的治疗策略。这些发现将AE的药理活性与NPC发病机制中的lncRNA调控网络联系起来。