Journal
INTERNATIONAL JOURNAL OF PHARMACEUTICS
Volume 483, Issue 1-2, Pages 180-187Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijpharm.2015.02.018
Keywords
Tacrolimus; Bovine serum albumin nanoparticles; Pharmacokinetics; Nephrotoxicity; Tissue distribution
Categories
Funding
- National Natural Science Foundation of China [81172990]
- National Key Science Research Program of China (973 Program) [2015CB932100]
- Innovation Team of Ministry of Education [BMU20110263]
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The purpose of the present study was to develop a new nanoparticulate formulation for delivery of tacrolimus to reduce its kidney distribution and functional nephrotoxicity. Tacrolimus (TAC)-loaded bovine serum albumin (BSA) nanoparticles (TAC-BSA-NPs) were prepared by emulsification-dispersion technique. The obtained TAC-BSA-NPs, with 189.50 +/- 7.15 nm of diameter and -20.86 +/- 0.45 mV of Zeta potential determined by DLS, were spherical in shape observed by TEM. The drug loading content and encapsulation efficiency were (1.7 +/- 0.13)% and (85 +/- 3.0)%, respectively. The in vitro release of TAC-BSA-NPs exhibited biphasic drug release pattern with an initial burst release and subsequently sustained release. Pharmacokinetic analysis displayed that TAC-BSA-NPs could enhance the drug blood level and prolong the circulation time in comparison to Prograf (R). Meanwhile, compared with Prograf (R), TAC-BSA-NPs could deliver less TAC to kidney and simultaneously reduce the functional nephrotoxicity of TAC to kidney. In conclusion, BSA nanoparticles might be a more safe carrier for delivery of hydrophobic drug TAC. (C) 2015 Elsevier B.V. All rights reserved.
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