Bioinformatics analysis of shared calorie-restriction and endurance-exercise gene features in older skeletal muscle
A bioinformatics analysis of older-adult skeletal muscle reported 101 genes overlapping between calorie restriction and endurance exercise, enriched in longevity-related pathways, plus 10 key genes, 4 transcription factors and 4 microRNAs; carotuximab was flagged only as a compound for future investigation. [1]
Automatic summary · not editorially reviewed
The key findings
Bioinformatics analysis identified 101 overlapping differentially expressed genes involved in both calorie restriction and endurance exercise in older-adult skeletal muscle. [1]
The overlapping genes were mainly enriched in longevity, Apelin, AMPK, FoxO and cGMP-PKG signaling pathways, and 10 key genes, 4 transcription factors and 4 microRNAs were identified. [1]
Drug-gene interaction analysis identified carotuximab as a compound with potential relevance for future investigation in muscle aging. [1]
The source at a glance
- Study type / format
- Bioinformatics analysis reported in an abstract
- Population / context
- Older adults, studied via skeletal muscle transcriptomic data in a bioinformatics analysis.
- Summary based on
- Study abstract
- Original publication
- March 5, 2026
Shared genes of calorie restriction and endurance exercise
The study set out to find shared transcriptomic features of calorie restriction and endurance exercise in skeletal muscle among older adults. Using bioinformatics analysis, the authors identified 101 overlapping differentially expressed genes involved in both calorie restriction and endurance exercise. The abstract frames this against age-related muscle atrophy as a common issue of functional decline in older people. These are computational gene-expression comparisons, not measurements of muscle function or strength in people.
Supporting source [1]
Pathways, key genes and interacting regulators
The overlapping genes were reported as mainly enriched in pathways related to longevity, Apelin signaling, AMPK signaling, FoxO signaling and cGMP-PKG signaling. The authors also identified 10 key genes, naming LPL, PPARGC1A and IGF1 as examples, 4 transcription factors (FOXC1, POU2F2, GATA2 and STAT3) and 4 microRNAs (miR-155-5p, miR-124-3p, miR-1-3p and miR-16-5p) that interact with these genes. Pathway enrichment and regulator prediction describe associations in the analysis; they do not show that calorie restriction or exercise causes these changes or extends lifespan.
Supporting source [1]
Carotuximab as a proposed target, not a tested drug
A drug-gene interaction analysis identified carotuximab as a compound with potential relevance for future investigation in the context of muscle aging. The abstract presents this as a proposed target for intervention development, not as a tested or approved treatment. The findings are described as new insights into molecular mechanisms of muscle functional decline in older people. The abstract does not report a study population size, an intervention trial, muscle outcomes or any clinical testing, so the results remain exploratory bioinformatics.
Supporting source [1]
How to interpret this
This explainer is based only on the abstract; the full text was not reviewed. The abstract reports a bioinformatics analysis without a stated sample size, participant details, follow-up or measured muscle outcomes. Pathway enrichment, regulator prediction and the carotuximab drug-gene result are exploratory associations, not evidence of cause, clinical benefit or lifespan effects.
Based on the study abstract; the full paper, tables and supplementary data were not reviewed.
Source & supporting passages
Zhu D, Chen X. · europepmc.org · March 5, 2026