Journal
MOLECULAR PHARMACEUTICS
Volume 14, Issue 6, Pages 1883-1897Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.molpharmaceut.6b01148
Keywords
lipid-polymer hybrid nanoparticles; coencapsulation; methotrexate; aceclofenac; breast cancer targeting; fucose; Cox-2; MMP-1
Funding
- CSIR-HRDG [09/135(0667)/2012-EMR-I]
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The present Study was aimed to coencapsulate methotrexate (MTX) and aceclofenac (ACL) in fucose anchored lipid polymer hybrid nanoparticles (Fu-LPHNPs) to achieve target specific and controlled delivery for developing therapeutic interventions against breast cancer. The effective combination therapy requires coadministration of drugs to achieve synergistic effect on tumor with minimum adverse effects. Present study investigates the potential of codelivery of MTX and ACL through LPHNPs in MCF-7 and triple negative breast cancer cells (MDA-MB-231). We obtained LPHNPs in the nanosize range (<150 nm) with better particle size distribution (<0.3). The entrapment and loading efficiency of MTX and ACL was calculated as 85-90% and 10-12%, respectively. The coumarin-6 LPHNP formulations showed rapid internalization within 2 h incubation with MCF-7 and MDA-MB-231 cells. With 8-10, times, greater bioavailability of drug-loaded LPHNPs than free MTX and ACL was obtained. Also, antitumor efficacy of MTX- and ACL-loaded LPHNPs was determined on DMBA-induced experimental breast cancer mouse model. This model showed better control over tumor growth with MTX- and ACL-loaded LPHNPs than the combination of MTX and ACL or MTX alone. ACL-loaded LPHNPs showed prophylactic and anticancer activity in DMBA-induced mouse model at higher dose (10 mg/kg). ACL-LPHNPs confer synergistic anticancer effect when administered in combination with MTX. In conclusion, ACL enhances the therapeutic and anticancer efficacy of MTX, when coencapsulated into fucose-anchored LPHNPs, as confirmed by cell viability and serum angiogenesis (IL-6, TNF-alpha, IL-beta,COX2. and MMP1) at both transcript and proteome level.
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