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Spherical Peg/Sio2 Promising Agents for Lamivudine Antiviral Drug Delivery, a Molecular Dynamics Simulation Study Publisher Pubmed



Razzaghi S1 ; Vafaee M1 ; Kharazian B2 ; Nasrollahpour M1
Authors
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Authors Affiliations
  1. 1. Department of Chemistry, Faculty of Science, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran
  2. 2. Faculty of Pharmacy, Nanotechnology Research Center, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran, Iran

Source: Scientific Reports Published:2023


Abstract

Spherical nanocarriers can lead to a bright future to lessen problems of virus infected people. Spherical polyethylene glycol (PEG) and spherical silica (SiO2) are novel attractive nanocarriers as drug delivery agents, especially they are recently noticed to be reliable for antiviral drugs like anti-HIV, anti-covid-19, etc. Lamivudine (3TC) is used as a first line drug for antiviral therapy and the atomic view of 3TC-PEG/SiO2 complexes enable scientist to help improve treatment of patients with viral diseases. This study investigates the interactions of 3TC with Spherical PEG/SiO2, using molecular dynamics simulations. The mechanism of adsorption, the stability of systems and the drug concentration effect are evaluated by analyzing the root mean square deviation, the solvent accessible surface area, the radius of gyration, the number of hydrogen bonds, the radial distribution function, and Van der Waals energy. Analyzed data show that the compression of 3TC is less on PEG and so the stability is higher than SiO2; the position and intensity of the RDF peaks approve this stronger binding of 3TC to PEG as well. Our studies show that PEG and also SiO2 are suitable for loading high drug concentrations and maintaining their stability; therefore, spherical PEG/SiO2 can reduce drug dosage efficiently. © 2023, The Author(s).
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