Encapsulation of 5-flurouracil into PLGA nanofibers and enhanced anticancer effect in combination with Ajwa-Dates-Extract (Phoenix dactylifera L.)
2018
Khan, Fazal | Aldhahri, Musab A. | Hussain, Mohammad Asif | Gauthaman, Kalamegam | Memić, Adnan | Abuzenadah, Adel Mohammad | Kumosani, Taha Abdullah | Barbour, Elie K. | Alothmany, Nazeeh Shuja | Aldhaheri, Rabah Wasel | Department of Agriculture | Faculty of Agricultural and Food Sciences (FAFS) | American University of Beirut
Side effects connected with chemotherapeutic agents used in cancer treatment has led to alternative modalities of combinatorial therapies in an attempt to reduce the drug dosage and associated risks. In the current study we evaluated the potential use of Ajwa Dates Extract (ADE), reported to have anti-cancer effects, as an adjuvant therapy in combination with 5-flurouracil (5FU) against the human-breast-adenocarcinoma cell line (MFC-7) in vitro. The effects of ADE alone and in combination with 5-FU were evaluated in terms of cell viability and cytotoxicity. For drug delivery purpose, we successfully encapsulated 5FU in both presence and absence of ADE through electrospinning together with poly lactic-co-glycolic acid (PLGA) in different combinations. Physicochemical properties of 5FU and ADE incorporated into PLGA nanofibers remained unaltered as confirmed by Fourier-Transform-Infrared (FTIR), Raman-spectroscopies and X-ray Diffraction (XRD) techniques. The morphological characterization of nanofibers was done using scanning electron microscopy (SEM) and atomic force microscopy (AFM). The surface roughness of PLGA and PLGA + ADE nanofibers increased by incorporation of 5FU. PLGA + ADE nanofibers were in hydrophilic range (<90°) while nanofibers prepared from both PLGA + 5FU and PLGA + 5FU+ADE combinations were in hydrophobic range (∼112°). The percentage inhibition of MCF-7 proliferation at 72 hrs showed an enhanced combinatorial anti-cancer effect of 5FU and ADE on the cells seeded on PLGA+ 5FU+ADE mat (47% decrease) while PLGA + 5FU and PLGA + ADE demonstrated only 23% and 16% decrease respectively as compared to controls. The hydrophobicity induced by 5FU can further be investigated to get improved cellular adherence and efficient controlled-drug-release. © Copyright 2018 American Scientific Publishers All rights reserved.
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