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Formulation development of folic acid conjugated PLGA nanoparticles for improved cytotoxicity of Caffeic acid phenethyl ester

Author(s):

Harshad S Kapare , Sathiyanarayanan L*, Arulmozhi S and Kakasaheb Mahadik  

Abstract:


Background: Honey bee propolis is one of the natural product reported in various traditional systems of medicines including Ayurveda. Caffeic acid phenethyl ester (CAPE) is an active constituent of propolis which is well known for its anticancer potential. The therapeutic effects of CAPE are restricted owing to its less aqueous solubility and low bioavailability.

Objective: In this study CAPE loaded folic acid conjugated nanoparticle system (CLFPN) was investigated to enhance solubility, achieve sustained drug release and improved cytotoxicity of CAPE.

Methods: Formulation development, characterization and optimization were carried out by design of experiment approach. In vitro and in vivo cytotoxicity study was carried out for optimized formulations.

Results: Developed nanoparticles showed particle size and encapsulation efficiency of 170 ± 2 - 195 ± 3 nm and 75.66 ± 1.52 - 78.80 ± 1.25 % respectively. Optimized formulation CLFPN showed sustained drug release over a period of 42 h. GI50 concentration was decreased by 46.09% for formulation as compared to CAPE in MCF-7 cells indicating targeting effect of CLFPN. An improved in vitro cytotoxic effect was reflected in in-vivo Daltons Ascites Lymphoma model by reducing tumor cells count.

Conclusion: The desired nanoparticle characteristic with improved in vivo and in vitro cytotoxicity was shown by developed formulation. Thus it can be further investigated for biomedical applications.

Keywords:

Anticancer, Drug Delivery, CAPE, Nanotechnology, SRB Assay

Affiliation:

Department of Quality Assurance Techniques, Bharati Vidyapeeth University, Poona College of Pharmacy, Erandwane, Pune, Maharashtra, Department of Pharmaceutical Chemistry, Bharati Vidyapeeth University, Poona College of Pharmacy, Erandwane, Pune, Maharashtra, Department of Pharmacology, Bharati Vidyapeeth University, Poona College of Pharmacy, Erandwane, Pune, Maharashtra, Department of Pharmaceutical Chemistry, Bharati Vidyapeeth University, Poona College of Pharmacy, Erandwane, Pune, Maharashtra



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