ArticleFrontiers in physiology2025
Aerobic exercise improves inflammation and insulin resistance in skeletal muscle by regulating miR-221-3p via JAK/STAT signaling pathway.
Article in Frontiers in physiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Comparative effects of aerobic exercise in early versus late middle age on skeletal muscle function and miRNA profiling in mice.Molecular biology reports · 2026Article
- Occupational-circadian disruption and physical inactivity conjointly amplify fatty liver risk: based on liver ultrasound transient elastography.International journal of occupational medicine and environmental health · 2026Article
- Article
- Role of systemic and epicardial adipose tissue in cardiometabolic disease.Nature reviews. Cardiology · 2026Review
- Exercise-associated microRNA programs as candidate modulators and biomarkers in glioblastoma: a narrative review.Discover oncology · 2026Review
- RNA cargo profiling of muscle extracellular vesicles identifies candidate biomarkers of disease activity and muscle degeneration in FSHD.Journal of translational medicine · 2026Article
- Insulin Resistance and Inflammation.International journal of molecular sciences · 2026Review
- [Aerobic exercise regulates macrophage polarization and improves insulin resistance in mice: the mediating role of miR-221-3p].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2026Article
- BDH1 Mediates Aerobic Exercise-Induced Improvement in Skeletal Muscle Metabolic Remodeling in Type 2 Diabetes Mellitus.Biomolecules · 2026Article
- Branched-chain amino acid metabolism and macrophage polarization: potential regulatory nodes and therapeutic targets in diabetes-associated metabolic inflammation.Frontiers in cellular and infection microbiology · 2026Review
- Resistance Exercise Counteracts Skeletal Muscle Atrophy in T2DM Mice by Upregulating FGF21 and Activating PI3K/Akt Pathway.Biomolecules · 2025Article
- The impact of miR-221-3p modification by the m6A demethylase ALKBH5 on the inflammatory response in spinal tuberculosis and its diagnostic significance.Journal of orthopaedic surgery and research · 2025Article
- miR-221-3p Exacerbates Obesity-Induced Insulin Resistance by Targeting SOCS1 in Adipocytes.Metabolites · 2025Article
- Review
- Effects of 8 weeks of moderate physical training on body composition, lipid profile, inflammatory markers, and physical activity in middle aged females.Frontiers in endocrinology · 2025Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Exercise improves insulin sensitivity and lipid metabolism while the mechanisms remain unclear. MicroRNAs (miRNAs) have been linked to the development of type 2 diabetes mellitus (T2DM) and served as a potential therapeutic target. The study aimed to explore how aerobic exercise prevents chronic inflammation and insulin resistance (IR) in skeletal muscle. Methods: Fifty C57BL/6J male mice were divided into a normal (CON) or high-fat diet (HFD) for 12 weeks, followed by treadmill training for 8 weeks. Glucose levels were evaluated by glucose tolerance test, insulin tolerance test and kits. Chronic inflammatory states were evaluated by enzyme-linked immunosorbent assay and immunofluorescence stain. The role of miR-221-3p was determined using miRNA sequencing and dual luciferase reporter gene assays. Metabolic alterations in skeletal muscle were investigated by Real-time PCR and Western blot. Results: Aerobic exercise reduced body weight, fasting blood glucose gain, and improved insulin sensitivity. It suppressed inflammation by altering IL-1β, IL-10 levels, and macrophage polarization in the skeletal muscle. Moreover, exercise prevented chronic inflammation by diminished miR-221-3p and downstream JAK/STAT pathways. Conclusion: Aerobic exercise improved chronic inflammation and IR in the skeletal muscle, with miR-221-3p as a key modulator of macrophage polarization.
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