Development of glutathione-conjugated asiatic acid-loaded bovine serum albumin nanoparticles for brain-targeted drug delivery

The Journal of Pharmacy and Pharmacology
Nisith RavalSanjeev R Acharya

Abstract

Asiatic acid, a well-known plant-based neuroprotective pentacyclic triterpenoid, has major limitation for its bioavailability in the brain. The objective of this study is to develop novel bovine serum albumin (BSA) nanoparticles coupled with glutathione (natural tripeptide) to enhance drug delivery to brain. Asiatic acid-loaded BSA nanoparticles were prepared by using modified desolvation technique. Conjugation of glutathione with asiatic acid-loaded BSA nanoparticle was done by carbodiimide reaction using 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDAC). In-vivo biodistribution study of asiatic acid solution, and conjugated and unconjugated asiatic acid-loaded BSA nanoparticles, at the dose equivalent to 75 mg/kg was evaluated, through intravenous administration to Wistar rats. Asiatic acid has very weak chromophore so high-pressure liquid chromatography-based novel pre-derivatization method was developed using p-toluidine as a coupling agent to improve sensitivity. The results showed 10-fold more bioavailability of asiatic acid in the brain after 5 h with glutathione-conjugated asiatic acid-loaded BSA nanoparticles as compared with asiatic acid solution with 627.21% drug targeting efficiency to the brain. The present inv...Continue Reading

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Citations

Feb 20, 2016·Therapeutic Delivery·C GuiotR Cavalli
Oct 19, 2016·Journal of Controlled Release : Official Journal of the Controlled Release Society·Christoph EnglertUlrich S Schubert
Feb 2, 2017·Drug Development and Industrial Pharmacy·Oscar Escalona-RayoDavid Quintanar-Guerrero
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Sep 10, 2019·Journal of Biomolecular Structure & Dynamics·Saman FatimaMd Imtaiyaz Hassan
Feb 18, 2021·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Francesca PersanoRawil Fakhrullin
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Apr 23, 2021·Neurochemistry International·Anne MahringerGert Fricker

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