Regulatory Roles and Therapeutic Potential of miR-122-5p in Hypoxic-Ischemic Brain Injury: Comprehensive Review.

IF 1.8 4区 生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY Cell Biochemistry and Biophysics Pub Date : 2025-02-28 DOI:10.1007/s12013-025-01686-6
Abdulaziz S Bamahel, Xun Sun, Wei Wu, Chenxi Mu, Jia Liu, Sheng Bi, Hui Xu
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Abstract

In the regulation of gene expression, epigenetic factors, including non-coding RNAs (ncRNAs) play a role in genetics. Among the ncRNA family, microRNAs (miRNAs) have gained significant attention for their involvement in post-transcriptional gene regulation, with profound implications for both normal and pathological processes including neurological diseases such as hypoxic-ischemic brain injury. A specific miRNA, called miR-122-5p, has gained attention in hypoxic-ischemic conditions, where it modulates critical pathways such as inflammation, oxidative stress, and neuronal survival. The purpose of this review is to highlight recent advances in the biogenesis, expression, and regulation of miR-122-5p, focusing on its role in hypoxic-ischemic conditions and its potential as a therapeutic target. We first studied the therapeutic strategies and potential clinical applications of miR-122-5p, our research showing it interacts with key transcription factors, such as HIF-1α and NF-κB, influencing cellular responses to low oxygen levels. Our findings revealed that miR-122-5p plays a vital role in hypoxic-ischemic brain injury, with its abnormal levels strongly associated with increased brain damage and neuroinflammation, suggesting its potential as a promising therapeutic target. Furthermore, miR-122-5p influences various biological processes in the brain, such as metabolism and blood vessel formation. The use of miR-122-5p inhibitor has been shown to increase autophagy, reduce apoptosis, and decrease oxidative stress and inflammation, thereby protecting neurons and improving outcomes in hypoxic encephalopathy by targeting multiple genes related to these processes. Conversely, miR-122-5p mimics exacerbate oxidative stress and reduce autophagy. These findings highlight the therapeutic potential of miR-122-5p inhibition in reducing brain injury and promoting recovery in hypoxic-ischemic encephalopathy through enhanced neuroprotective mechanisms and the suppression of harmful cellular processes. However, further experimental studies are needed to fully understand the therapeutic potential of targeting miR-122-5p and its related genes in hypoxic-ischemic encephalopathy.

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来源期刊
Cell Biochemistry and Biophysics
Cell Biochemistry and Biophysics 生物-生化与分子生物学
CiteScore
4.40
自引率
0.00%
发文量
72
审稿时长
7.5 months
期刊介绍: Cell Biochemistry and Biophysics (CBB) aims to publish papers on the nature of the biochemical and biophysical mechanisms underlying the structure, control and function of cellular systems The reports should be within the framework of modern biochemistry and chemistry, biophysics and cell physiology, physics and engineering, molecular and structural biology. The relationship between molecular structure and function under investigation is emphasized. Examples of subject areas that CBB publishes are: · biochemical and biophysical aspects of cell structure and function; · interactions of cells and their molecular/macromolecular constituents; · innovative developments in genetic and biomolecular engineering; · computer-based analysis of tissues, cells, cell networks, organelles, and molecular/macromolecular assemblies; · photometric, spectroscopic, microscopic, mechanical, and electrical methodologies/techniques in analytical cytology, cytometry and innovative instrument design For articles that focus on computational aspects, authors should be clear about which docking and molecular dynamics algorithms or software packages are being used as well as details on the system parameterization, simulations conditions etc. In addition, docking calculations (virtual screening, QSAR, etc.) should be validated either by experimental studies or one or more reliable theoretical cross-validation methods.
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