ArticleJournal of vascular anomalies2024
Size-dependent Nanoparticle Accumulation In Venous Malformations.
Article in Journal of vascular anomalies, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Polymeric rapamycin nanoparticles encapsulating ponatinib cause regression of venous malformations in mice.Science translational medicine · 2026Article
- Treating venous malformations with nanomedicines.Nanomedicine (London, England) · 2025Review
- Magneto-photo-acoustic Nanotheranostics Orchestrate Ferroptosis-Immune Cross Talk for Spatiotemporally Amplified Triple-Negative Breast Cancer Therapy.Biomaterials research · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Objective: The current treatment of venous malformations (VMs) consists of medications with systemic toxicity and procedural interventions with high technical difficulty and risk of hemorrhage. Using nanoparticles (NPs) to enhance drug delivery to VMs could enhance efficacy and decrease systemic toxicity. NPs can accumulate in tissues with abnormal vasculature, a concept known as the enhanced permeation and retention (EPR) effect. EPR has been documented in tumors, bioengineered vessels, and VMs. However, in VMs, it is unknown if NP size affects EPR and if so, which particle size improves NP accumulation. Methods: In this study, we used a murine model of subcutaneous VMs using human umbilical vein endothelial cells that express the most frequent VM-causing tyrosine kinase with immunoglobulin and EGF homology domains mutation, tyrosine kinase with immunoglobulin and EGF homology domains-L914F. Hollow silica NPs coated in polyethylene glycol (PEG) and conjugated to a fluorophore were administered systemically via tail vein injection. We studied the accumulation of a range of NP sizes within the VM and organs using confocal microscopy and an in vivo imaging system. Results: The 20, 50, 80, and 180 nm PEGylated, fluorophore-tagged hollow silica NPs were spherical and had hydrodynamic diameters of 31.6 ± 0.9, 58.5 ± 0.1, 87.1 ± 2.4, and 232 ± 1.26 nm, respectively. Following systemic NP administration, 20 nm NPs had 2 times more fluorescence accumulation within VMs compared with 50 nm, and 6 times more fluorescence accumulation compared with larger (greater than 80 nm) NPs ( Conclusion: This study helps to determine the optimal NP size for passive accumulation within VMs and lays the foundation for engineering NPs for the treatment of VMs.
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Registered trials
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