Research Article | Volume: 3, Issue: 7, July, 2013

Nanoparticles improved drug radio protective activity

Amir I. Mohameda Mona I. A. El-Assalb Mohamed A. Kassemc Osama A. A. Ahmedd   

Open Access   

Published:  Jul 30, 2013

DOI: 10.7324/JAPS.2013.3714
Abstract

Radioprotective agents are synthetic compounds or natural products that are immediately administrated before irradiation to reduce injuries caused by ionizing radiation. Toxicity, short duration, and the unfavorable routes of administration, have prevented the widespread use of most radioprotective agents in practice. This study aimed to evaluate the use of slowly release- long circulation biodegradable polymer Poly(lactide-co-glycolide) (PLGA) as carrier for certain water-soluble radioprotective agents. Penicillamine and Potassium Iodide (KI) were selected as examples of radioprotectors which can be used to protect against both internal radionuclide (chronic radiation exposure) and external-beam irradiation (acute radiation exposure). Emulsion-solvent evaporation method (ESE) was used to prepare hydrophilic-drug loaded PLGA Nanoparticles (PLGA- NPs) in an efficient and reproducible manner. The radioprotective efficacy was assessed by 30 days-survival percentage, relative body weights, and (liver & spleen) total cell counts. Results revealed that single oral administration of Penicillamine-NPs or KI-NPs was effective as free drug (for 5 successive days) which indicate that PLGA-NPs could be used to modulate radioprotective drug activity in biological system, and to improve drug efficacy in different body organs for longer duration than the equal dose of free drug.


Keyword:     Biodegradable nanoparticles Radioprotective drugs Penicillamine Potassium iodide PLGA Gamma-ray.


Citation:

Amir I. Mohamed, Mona I. A. El-Assal, Mohamed A. Kassem, Osama A. A. Ahmed., Nanoparticles improved drug radio protective activity. J App Pharm Sci, 2013; 3 (07): 072-080.

Copyright:The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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