miR-17-92簇在中风中的复杂作用:机制见解与生物标志物潜力

The Complex Role of the miR-17-92 Cluster in Stroke: Mechanistic Insights and Biomarker Potential.

作者信息

Braicu Cornelia, Molnar Mihaela, Isachesku Ekaterina, Pană Adrian, Mureșanu Dafin, Strilciuc Stefan

机构信息

Department of Genomics, MEDFUTURE Institute for Biomedical Research, Iuliu Hațieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania.

Department of Neuroscience, Iuliu Haţieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania.

出版信息

Genes (Basel). 2025 May 29;16(6):665. doi: 10.3390/genes16060665.

Abstract

Stroke is a leading cause of morbidity and mortality worldwide, with ischemic stroke (IS) accounting for approximately 85% of cases. Recent research has highlighted the critical role of microRNAs (miRNAs), a class of small non-coding RNA molecules, in the pathogenesis of stroke. Among these, the miR-17-92 cluster and its paralogs have emerged as key regulators in the development of stroke pathology and the subsequent recovery processes. We emphasize their regulatory roles in key pathological processes, including inflammation, apoptosis, neuroprotection, and tissue repair. We provide an overview of these mechanisms to support the identification of novel miRNA-based therapeutic targets and to improve stroke diagnosis, treatment, and recovery strategies. Specific miRNAs, such as miR-19a, miR-18a, and miR-92a, contribute to processes including neurogenesis, axonal growth, and a reduction in neuronal apoptosis. The miR-17-92 cluster also offers potential therapeutic applications by targeting injury-induced pathways, such as modulating apoptosis, promoting axonal elongation, or inhibiting neurodegeneration. Preclinical studies have suggested their potential to enhance neural regeneration and promote functional recovery. Future research should further elucidate the regulatory mechanisms of the miR-17-92 members and their therapeutic potential to enhance stroke treatment strategies.

摘要

中风是全球发病和死亡的主要原因,其中缺血性中风(IS)约占病例的85%。最近的研究强调了微小RNA(miRNA),一类小的非编码RNA分子,在中风发病机制中的关键作用。其中,miR-17-92簇及其旁系同源物已成为中风病理发展和随后恢复过程中的关键调节因子。我们强调它们在关键病理过程中的调节作用,包括炎症、凋亡、神经保护和组织修复。我们概述了这些机制,以支持基于miRNA的新型治疗靶点的识别,并改善中风的诊断、治疗和恢复策略。特定的miRNA,如miR-19a、miR-18a和miR-92a,参与包括神经发生、轴突生长和神经元凋亡减少等过程。miR-17-92簇还通过靶向损伤诱导的途径提供潜在的治疗应用,如调节凋亡、促进轴突伸长或抑制神经退行性变。临床前研究表明它们具有增强神经再生和促进功能恢复的潜力。未来的研究应进一步阐明miR-17-92成员的调节机制及其增强中风治疗策略的治疗潜力。

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