ArticleMolecular medicine reports2023
Resveratrol improves palmitic acid‑induced insulin resistance via the DDIT4/mTOR pathway in C2C12 cells.
Article in Molecular medicine reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.
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Who cites it
14 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.
- Pooled it
- Transcriptomic Profiling of Monozygotic Twins with Type 1 Gaucher Disease.Life (Basel, Switzerland) · 2026Article
- Hydroalcoholic Extracts ofMolecules (Basel, Switzerland) · 2026Article
- Persistent perinatal protein malnutrition and post-weaning high-fat diet induce metabolic syndrome and hepatic UCP2 overexpression in IUGR offspring.Frontiers in nutrition · 2026Article
- The Multi-Dimensional Action Map of Resveratrol Against Alzheimer's Disease: Mechanism Integration and Treatment Strategy Optimization.Nutrients · 2025Review
- Protection Strategies Against Palmitic Acid-Induced Lipotoxicity in Metabolic Syndrome and Related Diseases.International journal of molecular sciences · 2025Review
- miR-199a Knockdown Alleviates Insulin Resistance and Inflammation by Targeting DDIT4 via the PI3K/AKT Pathway in vitro and in vivo.Diabetes, metabolic syndrome and obesity : targets and therapy · 2025Article
- Article
- mTOR Dysregulation, Insulin Resistance, and Hypertension.Biomedicines · 2024Review
- Effect of mTORC Agonism via MHY1485 with and without Rapamycin on C2C12 Myotube Metabolism.International journal of molecular sciences · 2024Article
- Syrah Grape Polyphenol Extracts Protect Human Skeletal Muscle Cells from Oxidative and Metabolic Stress Induced by Excess of Palmitic Acid: Effect of Skin/Seed Ripening Stage.Antioxidants (Basel, Switzerland) · 2024Article
- Exploring the Anti-Diabetic Potential of Quercetagitrin through Dual Inhibition of PTPN6 and PTPN9.Nutrients · 2024Article
- Experimental cell models of insulin resistance: overview and appraisal.Frontiers in endocrinology · 2024Review
- DDIT4/mTOR signaling pathway mediates cantharidin-induced hepatotoxicity and cellular damage.Frontiers in pharmacology · 2024Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The present study aimed to establish a model of palmitic acid (PA)‑induced insulin resistance (IR) in C2C12 cells and to determine the mechanism underlying how resveratrol (RSV) improves IR. C2C12 cells were divided into the control (CON), PA, PA + RSV, PA + RSV + DNA damage‑inducible transcript 4 (DDIT4)‑small interfering (si)RNA and PA + RSV + MHY1485 (mTOR agonist) groups. Glucose contents in culture medium and triglyceride contents in cells were determined. Oil red O staining was performed to observe the pathological changes in the cells. Reverse transcription‑quantitative PCR and western blotting were conducted to evaluate the mRNA and protein expression levels, respectively, of DDIT4, mTOR, p70 ribosomal protein S6 kinase (p70S6K), insulin receptor substrate (IRS)‑1, PI3K, AKT and glucose transporter 4 (GLUT4). Compared with in the CON group, glucose uptake was decreased, cellular lipid deposition was increased, phosphorylated (p)‑IRS‑1, p‑mTOR and p‑p70S6K protein expression levels were increased, and p‑PI3K, p‑AKT, GLUT4 and DDIT4 protein expression levels were decreased in the PA group. By contrast, compared with in the PA group, culture medium glucose content and cellular lipid deposition were decreased, p‑PI3K, p‑AKT, GLUT4 and DDIT4 protein expression levels were increased, p‑IRS‑1 protein expression levels were decreased, and mTOR and p70S6K mRNA and protein expression levels were decreased in the PA + RSV group. Compared with in the PA + RSV group, DDIT4 protein and mRNA expression levels were reduced in the PA + RSV + DDIT4‑siRNA group, but showed no change in the PA + RSV + MHY1485 group. Following transfection with DDIT4‑siRNA or treatment with MHY1485, the effects of RSV on improving IR and lipid metabolism were weakened, mTOR and p70S6K protein expression levels were upregulated, p‑PI3K, p‑AKT and GLUT4 protein expression levels were down‑regulated, p‑IRS‑1 protein expression levels were upregulated, and culture medium glucose content and cellular lipid deposition were increased. In conclusion, RSV may improve PA‑induced IR in C2C12 cells through the DDIT4/mTOR/IRS‑1/PI3K/AKT/GLUT4 signaling pathway, as well as via improvements in glucose and lipid metabolism.
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Registered trials
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