Ferroptosis-related genes and immune cell estimates in Duchenne muscular dystrophy: an abstract-level molecular framework
In an abstract, two Duchenne muscular dystrophy gene-expression datasets yielded 35 ferroptosis-related genes and three hub genes; immune cell estimates differed, and mouse muscle showed higher HIF1A, CDKN1A and CD44. The authors frame this as possibly relevant to aging-related muscle degeneration, not as a demonstrated cause. [1]
Automatic summary · not editorially reviewed
The key findings
Duchenne muscular dystrophy is presented as sharing features with aging-related muscle degeneration, such as iron overload and oxidative stress. [1]
Integrating two DMD datasets yielded 35 ferroptosis-related genes and three hub genes: HIF1A, CDKN1A and CD44. [1]
In mdx mice, protein levels of HIF-1α and CD44 were significantly increased, and the authors call for validation in aged muscle models and sarcopenia cohorts. [1]
The source at a glance
- Study type / format
- Abstract of an integrative bioinformatics analysis with mouse expression validation.
- Population / context
- Two DMD transcriptomic datasets from GEO and mdx mice; no human sarcopenia cohort.
- Summary based on
- Study abstract
- Original publication
- October 14, 2026
Duchenne muscle as a model for aging-related muscle loss
The abstract starts from sarcopenia, the age-related loss of skeletal muscle mass and function, which it calls a major driver of frailty in older adults with an incompletely defined molecular basis. Ferroptosis is described as an iron-dependent regulated form of cell death linking iron dysregulation to muscle wasting in aging. The authors note that Duchenne muscular dystrophy (DMD) shares some molecular and pathological features with aging-related muscle degeneration, including iron overload, oxidative stress and impaired regenerative capacity. They therefore treat DMD as a disease-accelerated context for exploring ferroptosis-associated muscle pathology. This is a framing choice, not evidence that DMD and aging-related muscle loss are the same process.
Supporting source [1]
Two DMD datasets, three hub genes, estimated immune shifts
The authors integrated two DMD transcriptomic datasets from GEO and identified 35 ferroptosis-related differentially expressed genes. Protein-protein interaction analysis identified three hub genes: HIF1A, CDKN1A and CD44, linked in the abstract to hypoxic responses, cellular senescence and iron-associated cellular processes respectively. Receiver operating characteristic analysis showed high internal discriminatory performance within the integrated dataset. A CIBERSORT-based analysis suggested altered immune cell composition, with increased estimated proportions of γδ T cells and M2 macrophages and decreased regulatory T cells. Correlations between hub gene expression and estimated immune cell populations suggested a potential association between ferroptosis-related transcriptional changes and immune remodeling. These are estimates and associations, not proof of causation.
Supporting source [1]
Mouse protein checks and the authors' call for validation
Reverse transcription-quantitative PCR validated the upregulation of HIF1A, CDKN1A and CD44 mRNA, and western blotting confirmed significantly increased protein levels of HIF-1α and CD44 in mdx mice, a mouse model named in the abstract. The authors conclude that these findings suggest a ferroptosis-related and immune-associated transcriptional and expression-level signature in dystrophic muscle that may be relevant to aging-related muscle degeneration. They state that further validation is needed using direct ferroptosis assays, aged muscle models and clinical sarcopenia cohorts. The abstract does not report direct ferroptosis measurements, aged animals or human sarcopenia data, so the aging link remains a proposal.
Supporting source [1]
How to interpret this
Abstract only; the full text was not reviewed. No direct ferroptosis assays, aged muscle models or human sarcopenia cohorts are reported. Immune cell proportions were estimated, and gene-immune links are correlations. The aging relevance is proposed, not shown.
Based on the study abstract; the full paper, tables and supplementary data were not reviewed.
Source & supporting passages
Peng J, Hu J, Wu M, Xu H. · europepmc.org · October 14, 2026