To enhance the therapeutic efficacy of chemotherapy on glioblastoma U87MG cell line, paclitaxel-loaded phycocyanin nanoparticles (PTX-PcNPs) were prepared by modified desolvation process. PTX-PcNPs were characterised in terms of size, zeta potential, drug loading efficiency and drug release. Confocal laser scanning microscopy showed PTX-PcNPs could be internalised by U87MG cells. The anti-cancer activity was investigated in vitro by 3-(4,5-dimethylthizol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay with and without photodynamic therapy. It was observed that formulation could significantly inhibit growth of U87MG cells as compared to PTX alone and also induced apoptosis, which was evidenced by presence of apoptotic bodies and nuclear fragmentation in treated cells. The present study suggests that PTX-PcNPs can act as a promising drug delivery system for cancer treatment.
Journal of Nanoparticle Research – Springer Journals
Published: Aug 4, 2017
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