Liu Bin, Song Guanhui, Wang Yaosheng, Song Changheng, Cao Yiping, Tong Jinlin, Wang Yuyao, Fan Xinrong, Shi Nannan, Zhao Hongyan, Fan Danping
Institute of Clinical Basic Medicine of Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
J Orthop Translat. 2025 Jun 5;53:38-51. doi: 10.1016/j.jot.2025.05.004. eCollection 2025 Jul.
UNLABELLED: Intervertebral disc (IVD) degeneration (IDD) is a progressive condition characterized by the deterioration of the intervertebral discs, which serve as cushions between the vertebrae in the spinal column. This degeneration is often associated with aging and can be influenced by various factors, including genetics, mechanical stress, and lifestyle choices. N-methyladenosine (mA) modification has emerged as a critical post-transcriptional regulatory mechanism that influences various biological processes, including cellular differentiation, proliferation, and response to stress. Recent studies suggest that mA modification play significant roles in the pathophysiology of IDD. The dysregulation of mA methylation is linked to the altered expression of genes involved in inflammation, oxidative stress, extracellular matrix remodeling, regulated cell death including apoptosis, autophagy, pyroptosis and ferroptosis, all of which contribute to the IDD. In this review, we summarize the advanced detection technology of mA and the roles of mA in pathological process of IDD, to provide new insights into the molecular mechanisms underlying IDD and identify novel therapeutic targets for intervention. THE TRANSLATIONAL POTENTIAL OF THIS ARTICLE: This work underscores the diagnostic and therapeutic potential of targeting mA mechanism in IDD. Clinically, m6A regulators may serve as biomarkers for early IDD detection or progression monitoring. Therapeutically, small-molecule modulators of mA writers/erasers or RNA-based strategies could restore ECM homeostasis, mitigate inflammation, and prevent IVD cell death. Furthermore, advanced mA mapping technologies may enable personalized interventions by decoding patient-specific epitranscriptomic profiles. These insights bridge molecular mechanisms to clinical innovation, offering novel avenues for IDD treatment and regenerative therapies.
未标注:椎间盘退变(IDD)是一种进行性疾病,其特征是椎间盘退变,椎间盘是脊柱椎体之间的缓冲结构。这种退变通常与衰老相关,并且可能受多种因素影响,包括遗传、机械应力和生活方式选择。N - 甲基腺苷(mA)修饰已成为一种关键的转录后调控机制,影响各种生物学过程,包括细胞分化、增殖和应激反应。最近的研究表明,mA修饰在IDD的病理生理学中起重要作用。mA甲基化失调与参与炎症、氧化应激、细胞外基质重塑、包括凋亡、自噬、焦亡和铁死亡在内的程序性细胞死亡等相关基因的表达改变有关,所有这些都促成了IDD。在本综述中,我们总结了mA的先进检测技术以及mA在IDD病理过程中的作用,以便为IDD潜在的分子机制提供新见解,并确定新的干预治疗靶点。 本文的转化潜力:这项工作强调了针对IDD中mA机制的诊断和治疗潜力。在临床上,m6A调节剂可作为早期IDD检测或病情进展监测的生物标志物。在治疗方面,mA写入器/擦除器的小分子调节剂或基于RNA的策略可以恢复细胞外基质稳态、减轻炎症并防止椎间盘细胞死亡。此外,先进的mA图谱技术可以通过解码患者特异性的表观转录组图谱实现个性化干预。这些见解将分子机制与临床创新联系起来,为IDD治疗和再生疗法提供了新途径。
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