Nanodrug delivery platform for glucocorticoid use in skeletal muscle injury

Canadian Journal of Physiology and Pharmacology
Vijaykumar SutariyaSrinivas M Tipparaju

Abstract

Glucocorticoids are utilized for their anti-inflammatory properties in the skeletal muscle and arthritis. However, the major drawback of use of glucocorticoids is that it leads to senescence and toxicity. Therefore, based on the idea that decreasing particle size allows for increased surface area and bioavailability of the drug, in the present study, we hypothesized that nanodelivery of dexamethasone will offer increased efficacy and decreased toxicity. The dexamethasone-loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticles were prepared using nanoprecipitation method. The morphological characteristics of the nanoparticles were studied under scanning electron microscope. The particle size of nanoparticles was 217.5 ± 19.99 nm with polydispersity index of 0.14 ± 0.07. The nanoparticles encapsulation efficiency was 34.57% ± 1.99% with in vitro drug release profile exhibiting a sustained release pattern over 10 days. We identified improved skeletal muscle myoblast performance with improved closure of the wound along with increased cell viability at 10 nmol/L nano-dexamethasone-PLGA. However, dexamethasone solution (1 μmol/L) was injurious to cells because the migration efficiency was decreased. In addition, the use of dexameth...Continue Reading

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Citations

May 18, 2019·Canadian Journal of Physiology and Pharmacology·Vijaykumar SutariyaSrinivas M Tipparaju

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