Development and characterization of hyaluronic acid modified PLGA based nanoparticles for improved efficacy of cisplatin in solid tumor - 14/11/17
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Abstract |
Cisplatin is a potent and widely used chemotherapeutic agent to treat a variety of tumors. However, its clinical use is associated with undesirable side effects and acquired resistance to cisplatin. In this study, cisplatin loaded hyaluronic acid (HA) functionalized poly (lactic-co-glycolic acid)–poly (ethylene glycol) nanoparticles (CP-HA-PLGA-PEG-NPs) were fabricated using double emulsion solvent evaporation method to target CD44 receptor expressed on cancerous cells. The developed nanoconstructs were characterized for various in vitro parameters, including size distribution, zeta potential, morphology, drug loading and in vitro release. The HA content on the HA-PLGA-PEG-NPs was quantified by a turbidimetric method. The in vitro anticancer study in human ovarian cancer (SKOV-3) cells showed significantly (p<0.05) higher cytotoxicity of CP-HA-PLGA-PEG NPs as compared to free cisplatin and non-targeted nanoparticles (CP-PLGA-PEG NPs). Further, laser scanning confocal microscopy revealed that there was enhanced cellular uptake of HA-PLGA-PEG NPs in CD44-over expressing ovarian cancer cell line (SKOV-3). The in vivo antitumor activity of CP-HA-PLGA-PEG-NPs was significantly (p<0.05) higher than free cisplatin and CP-PLGA-PEG-NPs in Ehrlich tumor (solid) bearing mice. The results demonstrated the potential of target specific nanoconstruct of cisplatin in the improved cancer chemotherapy.
Le texte complet de cet article est disponible en PDF.Keywords : Cancer targeting, CD44, Hyaluronic acid, Nanoparticles, Targeted drug delivery
Plan
Vol 95
P. 856-864 - novembre 2017 Retour au numéro
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