ArticleInternational journal of molecular sciences2020
Pigment Epithelium-Derived Factor (PEDF) Fragments Prevent Mouse Cone Photoreceptor Cell Loss Induced by Focal Phototoxicity In Vivo.
Article in International journal of molecular sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 21 citations in OpenAlex.
- Mechanistic insights into the role of PEDF-R (PNPLA2) in photoreceptors.Bioscience reports · 2026Review
- Gene-Agnostic Therapeutic Strategies for Inherited Retinal Diseases: Neuroprotection and Immunomodulation.Genes · 2026Review
- Pigment Epithelium-Derived Factor (PEDF)-Based Therapy Induced Photoreceptor Survival by Stabilizing Choroidal Neovessels in a VEGF Overexpression CNV Rat Model.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025Article
- Rabbit model of oxidative stress-induced retinal degeneration.Free radical biology & medicine · 2025Article
- H105A peptide eye drops promote photoreceptor survival in murine and human models of retinal degeneration.Communications medicine · 2025Article
- Functional Roles of Pigment Epithelium-Derived Factor in Retinal Degenerative and Vascular Disorders: A Scoping Review.Investigative ophthalmology & visual science · 2024Article
- H105A peptide eye drops promote photoreceptor survival in murine and human models of retinal degeneration.bioRxiv : the preprint server for biology · 2024Article
- Dose-Related Side Effects of Intravitreal Injections of Humanized Anti-Vascular Endothelial Growth Factor in Rats: Glial Cell Reactivity and Retinal Ganglion Cell Loss.Investigative ophthalmology & visual science · 2024Article
- Dose-Related Side Effects of Intravitreal Injections of Humanized Anti-Vascular Endothelial Growth Factor in Rats: Glial Cell Reactivity and Retinal Ganglion Cell Loss.Investigative ophthalmology & visual science · 2024Article
- Potential therapeutic strategies for photoreceptor degeneration: the path to restore vision.Journal of translational medicine · 2022Review
- Bone marrow-derived mononuclear stem cells in the treatment of retinal degenerations.Neural regeneration research · 2022Review
- Pigment Epithelium-Derived Factor Protects Retinal Neural Cells and Prevents Pathological Angiogenesis in anOxidative medicine and cellular longevity · 2022Article
- Effect of NK-5962 on Gene Expression Profiling of Retina in a Rat Model of Retinitis Pigmentosa.International journal of molecular sciences · 2021Article
- Pigment epithelium-derived factor (PEDF) and derived peptides promote survival and differentiation of photoreceptors and induce neurite-outgrowth in amacrine neurons.Journal of neurochemistry · 2021Article
- Animal Models of LED-Induced Phototoxicity. Short- and Long-Term In Vivo and Ex Vivo Retinal Alterations.Life (Basel, Switzerland) · 2021Review
- Short- and Long-Term Study of the Impact of Focal Blue Light-Emitting Diode-Induced Phototoxicity in Adult Albino Rats.International journal of molecular sciences · 2021Article
- Delivery Systems of Retinoprotective Proteins in the Retina.International journal of molecular sciences · 2021Review
- PEDF-Mediated Mitophagy Triggers the Visual Cycle by Enhancing Mitochondrial Functions in a HCells · 2021Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
Abstract
Here, we evaluated the effects of PEDF (pigment epithelium-derived factor) and PEDF peptides on cone-photoreceptor cell damage in a mouse model of focal LED-induced phototoxicity (LIP) in vivo. Swiss mice were dark-adapted overnight, anesthetized, and their left eyes were exposed to a blue LED placed over the cornea. Immediately after, intravitreal injection of PEDF, PEDF-peptide fragments 17-mer, 17-mer[H105A] or 17-mer[R99A] (all at 10 pmol) were administered into the left eye of each animal. BDNF (92 pmol) and bFGF (27 pmol) injections were positive controls, and vehicle negative control. After 7 days, LIP resulted in a consistent circular lesion located in the supratemporal quadrant and the number of S-cones were counted within an area centered on the lesion. Retinas treated with effectors had significantly greater S-cone numbers (PEDF (60%), 17-mer (56%), 17-mer [H105A] (57%), BDNF (64%) or bFGF (60%)) relative to their corresponding vehicle groups (≈42%). The 17-mer[R99A] with no PEDF receptor binding and no neurotrophic activity, PEDF combined with a molar excess of the PEDF receptor blocker P1 peptide, or with a PEDF-R enzymatic inhibitor had undetectable effects in S-cone survival. The findings demonstrated that the cone survival effects were mediated via interactions between the 17-mer region of the PEDF molecule and its PEDF-R receptor.
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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.