ArticleBiological research2025
Targeting EGR1-ATF3 signaling mitigates paravertebral muscle degeneration by regulating cell death and inflammaging.
Article in Biological research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Single-cell transcriptomic analysis reveals age-related remodeling of brain endothelial cells.Aging brain · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
The paravertebral muscles play a critical role in maintaining dynamic spinal stability and physiological function. With aging, these muscles undergo senescence and degeneration, contributing to spinal instability and the development of low back pain. Age-related cellular death further accelerates chronic, low-grade inflammation termed “inflammaging” and disrupts the extracellular matrix (ECM), representing a key pathogenic mechanism driving paravertebral muscle degeneration (PMD). However, the core regulatory genes orchestrating inflammaging in this context have yet to be fully elucidated. The paravertebral muscles play an important role in supporting dynamic stability and physiological function of the spine. This study identified 409 differentially expressed genes (DEGs) through RNA sequencing. Subsequent bioinformatics analysis revealed 81 functionally relevant DEGs, with several hub genes such as Activating Transcription Factor 3 (ATF3), Cyclin-Dependent Kinase Inhibitor 1 A (CDKN1A/p21), and Interleukin-6 (IL-6) being significantly upregulated. These genes are associated with cellular death, ECM metabolic dysregulation, and inflammaging. Functional experiments demonstrated that silencing ATF3 attenuated cellular death, reduced inflammatory signaling, and preserved ECM integrity by modulating downstream effectors including CDKN1A/p21, IL6, Gasdermin E (GSDME), and Glutathione Peroxidase 4 (GPX4). Further network analysis identified the Early Growth Response 1 (EGR1)–ATF3 signaling axis, with EGR1 knockdown protecting against PMD through downregulation of ATF3. These genes may also exhibit high specificity and sensitivity for distinguishing PMD, suggesting their potential utility as diagnostic biomarkers. Overall, this study provides new insights into the molecular mechanisms underlying PMD and offers promising targets for therapeutic intervention.
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Registered trials
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