QbD-based development of α-linolenic acid potentiated nanoemulsion for targeted delivery of doxorubicin in DMBA-induced mammary gland carcinoma: in vitro and in vivo evaluation

Drug Delivery and Translational Research
Chandra Bhushan TripathiShubhini A Saraf

Abstract

Breast cancer is the most common cancer of occurrence in women and has the highest mortality incidence rate therein. The present study envisaged to develop doxorubicin (Dox) loaded folate functionalized nanoemulsion (NE) for profound therapeutic activity against mammary gland cancer. NE was prepared using pseudo-ternary phase diagrams utilizing α-linolenic acid (ALA) as lipid phase, to further enhance the anticancer potential of Dox. Box-Behnken design was employed to systematically develop the NE. Optimized NE (f-Dox-NE) was evaluated for in vitro and in vivo performance. f-Dox-NE, with globule size 55.2 ± 3.3 nm, zeta potential - 31 ± 2 mV, entrapment 92.51 ± 3.62%, drug loading 0.42 ± 0.08% and percent drug release 94.86 ± 1.87% in 72 h, was capable of reducing cell viability in MCF-7 cell lines vis-à-vis pure and marketed drug. Further, mechanistic studies in MCF-7 cell lines demonstrated that f-Dox-NE induces cellular apoptosis by reactive oxygen species generated and mitochondrial membrane mediated apoptosis. The antitumor effect was evaluated in 7,12-dimethylbenz[a]anthracene (DMBA) induced mammary gland tumor in female Albino Wistar rats. f-Dox-NE exhibited enhanced antitumor targeting potential, therapeutic safety and ...Continue Reading

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Citations

Sep 21, 2020·Environmental Science and Pollution Research International·Chetan RajakPoonam Parashar

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Methods Mentioned

BETA
Assay
dynamic light scattering
NMR
ELISA
fluorescence-activated cell sorting
FACS
MDA

Software Mentioned

Empower
Graph Pad Prism
ImageJ
ModFit LT
Stat
Design Expert

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