Fabrication of PLGA Nanoparticles Using Combination of PCL-PVA-PEG Copolymer as Surfactant: In-Vitro Characterization and Cytotoxicity Study
Abstract
Author(s): Shashi Ranjan, Subas Chandra Dinda, Anurag Verma
Background: The present study aimed to fabricate Poly Lactic acid Co-Glycolic Acid (PLGA) nanoparticles loaded with resveratrol using a novel graft co-polymer surfactant named soluplus®.
Materials and Methods: The PLGA nanoparticles were prepared in the present study using polyvinyl caprolactam, polyvinyl acetate polyethylene glycol amphiphilic graft copolymer named soluplus® as surfactant through double emulsification and single emulsification-solvent evaporation method. The formulations were prepared successfully to encapsulate the drug resveratrol, and then evaluated for their particle size, polydispersity index, zeta potential, drug loading and the degree of entrapment of the drug. Using a scanning electron microscope, the nanoparticles' morphology was investigated. In vitro drug release was evaluated, and the release pattern was evaluated using mathematical pharmacokinetic modelling. A comparative cytotoxicity study between free drug and prepared nanoparticles using MTT assay was carried out for cell viability evaluation. Uptake and internalization of nanoparticles were also studied using confocal fluorescence microscopy.
Results and Discussion: The outcomes showed that PLGA nanoparticles may be successfully fabricated utilising soluplus as a polymer surfactant. The drug, polymer and the all the excipients were found to be compatible and did not indicate any interaction. The results also indicated the prepared nanoparticles Surfactants-2 (SF2) as suitable resveratrol delivery vehicle in terms of the compliant particle size (344.6 nm ± 6.63 nm), polydispersity index (0.962), zeta potential (-18.5% ± 1.21%), drug loading (18.94% ± 0.27%), the entrapment efficiency (39.62% ± 0.17%) and drug release (75.13% ± 0.17%). The shape and surface morphology of the formulated nanoparticles were found to be spherical and smooth. Cytotoxicity study also demonstrated significant reduction of cell viability by the nanoparticle compared to free resveratrol. The highest cytotoxicity of SF2 against Michigan Cancer Foundation-7 (MCF7) cell was found in 2000 nM concentration with 3.03% ± 0.05% of cell viability. It was found that the percentage of growth inhibition was increasing with increasing concentration of SF2 and Inhibitory Concentration (IC)50 value of this assay was 108.94 μg/ml.
Conclusion: It has been found that the resveratrol loaded PLGA nanoparticles were successfully formulated and found to perform better in terms of efficacy and cytotoxicity.
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Editors List
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Prof. Elhadi Miskeen
Obstetrics and Gynaecology Faculty of Medicine, University of Bisha, Saudi Arabia
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Ahmed Hussien Alshewered
University of Basrah College of Medicine, Iraq
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Sudhakar Tummala
Department of Electronics and Communication Engineering SRM University – AP, Andhra Pradesh
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Alphonse Laya
Supervisor of Biochemistry Lab and PhD. students of Faculty of Science, Department of Chemistry and Department of Chemis
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Fava Maria Giovanna
Onkologia i Radioterapia peer review process verified at publons
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