ArticleEndocrinology2016
Deletion of IGF-1 Receptors in Cardiomyocytes Attenuates Cardiac Aging in Male Mice.
Article in Endocrinology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 61 papers.
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Who cites it
61 citing papers in PubMed.
- Chronic Senolytic Treatment and/or Aerobic Exercise Reduce Senescence and Improve Myocardial Function During Aging in the Heart.Aging cell · 2026Article
- AKT (Ser473) suppression mediates ceritinib cardiotoxicity through autophagic flux impairment and mitochondrial injury.Acta pharmacologica Sinica · 2026Article
- Article
- The longevity effects of reduced IGF-1 signaling depend on the stability of the mitochondrial genome.Science advances · 2026Article
- Interconnected Pathways and Therapeutic Implications for Cardiovascular Aging and Diseases.JACC. Asia · 2026Review
- Review
- Trajectories of cardiovascular ageing-from molecular mechanisms to clinical implementation.Cardiovascular research · 2025Review
- LIN-39 is a neuron-specific developmental determinant of longevity in Caenorhabditis elegans with reduced insulin signaling.Nature communications · 2025Article
- Obesity accelerates cardiovascular ageing.European heart journal · 2025Review
- A simplified in vitro disease-mimicking culture system can determine the angiogenic effect of medicines on vascular diseases.Cytotechnology · 2025Article
- Cardiac matrix-bound Nanovesicles provide insight into mechanisms of clinical heart disease progression to failure.International journal of cardiology · 2025Article
- Caloric restriction and its mimetics in heart failure with preserved ejection fraction: mechanisms and therapeutic potential.Cardiovascular diabetology · 2025Review
- Downregulation of MLF1 safeguards cardiomyocytes against senescence-associated chromatin opening.Nucleic acids research · 2025Article
- Mechanisms of aging in the cardiovascular system: challenges and opportunities.Frontiers in immunology · 2025Review
- SUMOylation of TP53INP1 is involved in miR-30a-5p-regulated heart senescence.Experimental & molecular medicine · 2024Article
- The role of CYP-sEH derived lipid mediators in regulating mitochondrial biology and cellular senescence: implications for the aging heart.Frontiers in pharmacology · 2024Review
- Hallmarks of cardiovascular ageing.Nature reviews. Cardiology · 2023Review
- Epigenomic signature of major congenital heart defects in newborns with Down syndrome.Human genomics · 2023Article
- Insulin-Like Growth Factor 1 Receptor Deficiency Alleviates Angiotensin II-Induced Cardiac Fibrosis Through the Protein Kinase B/Extracellular Signal-Regulated Kinase/Nuclear Factor-κB Pathway.Journal of the American Heart Association · 2023Article
- Epigenomic signature of major congenital heart defects in newborns with Down syndrome.medRxiv : the preprint server for health sciences · 2023Article
1 more citing papers are in PubMed but not listed here.
Corrections and comments
- Commented on byYoung at Heart.2016
Authors and funding
10 authors.
Funding
Abstract
IGF-1 receptor (IGF-1R) signaling is implicated in cardiac hypertrophy and longevity. However, the role of IGF-1R in age-related cardiac remodeling is only partially understood. We therefore sought to determine whether the deletion of the IGF-1R in cardiomyocytes might delay the development of aging-associated myocardial pathologies by examining 2-year-old male cardiomyocyte-specific IGF-1R knockout (CIGF1RKO) mice. Aging was associated with the induction of IGF-1R expression in hearts. Cardiomyocytes hypertrophied with age in wild-type (WT) mice. In contrast, the cardiac hypertrophic response associated with aging was blunted in CIGF1RKO mice. Concomitantly, fibrosis was reduced in aged CIGF1RKO compared with aged WT hearts. Expression of proinflammatory cytokines such as IL-1α, IL-1β, IL-6, and receptor activator of nuclear factor-κB ligand was increased in aged WT hearts, but this increase was attenuated in aged CIGF1RKO hearts. Phosphorylation of Akt was increased in aged WT, but not in aged CIGF1RKO, hearts. In cultured cardiomyocytes, IGF-1 induced senescence as demonstrated by increased senescence-associated β-galactosidase staining, and a phosphoinositide 3-kinase inhibitor inhibited this effect. Furthermore, inhibition of phosphoinositide 3-kinase significantly prevented the increase in IL-1α, IL-1β, receptor activator of nuclear factor-κB ligand, and p21 protein expression by IGF-1. These data reveal an essential role for the IGF-1-IGF-1R-Akt pathway in mediating cardiomyocyte senescence.
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