ArticleBMB reports2023
AMPK-induced mitochondrial biogenesis decelerates retinal pigment epithelial cell degeneration under nutrient starvation.
Article in BMB reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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Who cites it
10 citing papers in PubMed, 14 citations in OpenAlex.
- Organelle contact reorganization drives calcium-dependent autophagy under proteostatic stress.Autophagy · 2026Article
- Cardioprotective role of vincamine in cyclophosphamide-induced cardiotoxicity through modulation of AMPK/SIRT1, PI3K/Akt, and MAPK pathways.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
- Review
- The role of redox signaling in mitochondria and endoplasmic reticulum regulation in kidney diseases.Archives of toxicology · 2025Review
- Increased oxidative phosphorylation through pyruvate dehydrogenase kinase 2 deficiency ameliorates cartilage degradation in mice with surgically induced osteoarthritis.Experimental & molecular medicine · 2025Article
- Mitochondrial DNA Damage in the Retinal Pigmented Epithelium (RPE) and Its Role in RPE Pathobiology.Advances in experimental medicine and biology · 2025Review
- The anticancer effect of metformin targets VDAC1 via ER-mitochondria interactions-mediated autophagy in HCC.Experimental & molecular medicine · 2024Article
- Age-Related Macular Degeneration and Mitochondria-Associated Autoantibodies: A Review of the Specific Pathogenesis and Therapeutic Strategies.International journal of molecular sciences · 2024Review
- PCSK7, a potential target for the treatment of age-related macular degeneration: inhibition of retinal epithelial cell death.International journal of clinical and experimental pathology · 2024Article
- Regulatory factors of Nrf2 in age-related macular degeneration pathogenesis.International journal of ophthalmology · 2024Review
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The implications of nutrient starvation due to aging on the degeneration of the retinal pigment epithelium (RPE) is yet to be fully explored. We examined the involvement of AMPK activation in mitochondrial homeostasis and its relationship with the maintenance of a healthy mitochondrial population and epithelial characteristics of RPE cells under nutrient starvation. Nutrient starvation induced mitochondrial senescence, which led to the accumulation of reactive oxygen species (ROS) in RPE cells. As nutrient starvation persisted, RPE cells underwent pathological epithelial-mesenchymal transition (EMT) via the upregulation of TWIST1, a transcription regulator which is activated by ROS-induced NF-κB signaling. Enhanced activation of AMPK with metformin decelerated mitochondrial senescence and EMT progression through mitochondrial biogenesis, primed by activation of PGC1-α. Thus, by facilitating mitochondrial biogenesis, AMPK protects RPE cells from the loss of epithelial integrity due to the accumulation of ROS in senescent mitochondria under nutrient starvation. [BMB Reports 2023; 56(2): 84-89].
Indexed as
Identifiers
36195569PMC9978359W4302275334What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.