ArticleBiomolecules2021
Activated Protein C (APC) and 3K3A-APC-Induced Regression of Choroidal Neovascularization (CNV) Is Accompanied by Vascular Endothelial Growth Factor (VEGF) Reduction.
Article in Biomolecules, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed, 8 citations in OpenAlex.
- Plasma-Derived Extracellular Vesicles as Systemic Mediators of Radiation Response and Radiation Mitigation by Activated Protein C in a Rat Model.Antioxidants (Basel, Switzerland) · 2026Article
- Activated Protein C and the Retina: From Physiology to Therapeutic Potential.International journal of molecular sciences · 2026Review
- An orthosteric/allosteric bivalent peptide agonist comprising covalently linked protease-activated receptor-derived peptides mimics in vitro and in vivo activities of activated protein C.Journal of thrombosis and haemostasis : JTH · 2024Article
- Article
- 3K3A-Activated Protein C Inhibits Choroidal Neovascularization Growth and Leakage and Reduces NLRP3 Inflammasome, IL-1β, and Inflammatory Cell Accumulation in the Retina.International journal of molecular sciences · 2023Article
- Neutrophil, neutrophil extracellular traps and endothelial cell dysfunction in sepsis.Clinical and translational medicine · 2023Review
- 3K3A-Activated Protein C Prevents Microglia Activation, Inhibits NLRP3 Inflammasome and Limits Ocular Inflammation.International journal of molecular sciences · 2022Article
Corrections and comments
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Authors and funding
12 authors at 4 institutions in 3 countries.
Funding
Abstract
The activated protein C (APC) ability to inhibit choroidal neovascularization (CNV) growth and leakage was recently shown in a murine model. A modified APC, 3K3A-APC, was designed to reduce anticoagulant activity while maintaining full cytoprotective properties, thus diminishing bleeding risk. We aimed to study the ability of 3K3A-APC to induce regression of CNV and evaluate vascular endothelial growth factor (VEGF) role in APC's activities in the retina. CNV was induced by laser photocoagulation on C57BL/6J mice. APC and 3K3A-APC were injected intravitreally after verification of CNV presence. CNV volume and vascular penetration were evaluated on retinal pigmented epithelium (RPE)-choroid flatmount by fluorescein isothiocyanate (FITC)-dextran imaging. VEGF levels were measured using immunofluorescence anti-VEGF staining. We found that 3K3A-APC induced regression of pre-existing CNV. VEGF levels, measured in the CNV lesion sites, significantly decreased upon APC and 3K3A-APC treatment. Reduction in VEGF was sustained 14 days post a single APC injection. As 3K3A-APC retained APCs' activities, we conclude that the anticoagulant properties of APC are not mandatory for APC activities in the retina and that VEGF reduction may contribute to the protective effects of APC and 3K3A-APC. Our results highlight the potential use of 3K3A-APC as a novel treatment for CNV and other ocular pathologies.
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