Cerium oxide nanoparticles mitigate retinal pigment epithelium (RPE) death using APRE۱۹ cell model
Publish place: Nanomedicine Journal، Vol: 8، Issue: 1
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_NAMJ-8-1_002
تاریخ نمایه سازی: 6 اردیبهشت 1400
Abstract:
Objective(s): In this study, we present the potential of cerium oxide nanoparticle pretreatment on ARPE-۱۹ cells, a cell line of the Retinal Pigment Epithelium (RPE), as a therapeutic modality to cellular stresses such as low serum starvation.Materials and Methods: ARPE-۱۹ cells were pretreated with nano-cerium oxide at a concentration of ۵۰۰ µg/mL before low serum stress was induced for ۲۴, ۴۸, ۷۲, and ۹۶ hours. Starvation stress was induced by using low concentrations of Fetal Bovine Serum (FBS) media at three increments: ۱۰%, ۱%, ۰.۱%.Results: Contrast images demonstrated higher cell confluence and cell integrity in cells pretreated with cerium oxide nanoparticles compared to untreated cells. Increased cell viability for cerium oxide pretreated cells was confirmed by MTS assay after ۹۶ hours of serum starvation.Conclusion: By using nanoparticles to influence pathways of apoptosis, we hope to rescue ARPE-۱۹ cells from a range of stressors, including oxidative stress, and re-establish homeostasis for the cell. Nanoparticles may represent a novel class of therapeutics for diseases of the eye, like AMD and blue-light induced oxidative stress.
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Authors
Eric Dahl
New York Institute of Technology College of Medicine, Old Westbury, NY, USA
Nikolaos E Efstathiou
Massachusetts Eye & Ear Infirmary, Boston, MA, USA
Amit K. Roy
Department of Chemical Engineering, Northeastern University, Boston, MA, USA
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