Development of a Resveratrol Nanoformulation for the Treatment of Diabetic Retinopathy

Overview

Journal Materials (Basel)

Publisher MDPI

Date 2024 Mar 28

PMID 38541574

Authors

Juliana Gonzalez-Perez

A M Lopera-Echavarria

Said Arevalo-Alquichire

Pedronel Araque-Marin

Martha E Londono

Affiliations

Soon will be listed here.

Abstract

Diabetic retinopathy (RD) is a microvascular disease that can cause the formation of fragile neovessels, increasing the risk of hemorrhages and leading to vision loss. Current therapies are based on the intravitreal injection of anti-VEGF (vascular endothelial growth factor), which is invasive and can cause secondary effects. The development of new treatments that complement the current therapies is necessary to improve the patient's outcomes. Nanostructured formulations offer several advantages regarding drug delivery and penetration. In this research, a resveratrol nanosuspension (RSV-NS) was prepared and characterized using dynamic light scattering, field emission scanning electron microscopy, and infrared spectroscopy. The RSV-NS had an average particle size of 304.0 ± 81.21 nm with a PDI of 0.225 ± 0.036, and a spherical-like morphology and uniform particle distribution. Cell viability, proliferation, and migration were tested on endothelial cells (HMRECs). RSV-NS in a concentration of less than 18.75 µM did not have a cytotoxic effect on HMRECs. Likewise, proliferation and migration were significantly reduced compared to the unstimulated control at 37.5 µM. The RSV-NS did not present cytotoxic effects but decreased cell proliferation and migration, indicating that it could provide an important contribution to future medical implementations and could have a high potential to treat this disease.

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