Abstract:
:The purpose of this study was to develop a water-in-oil-in-water (W/O/W) multiple emulsions-based vaccine delivery system for plasmid DNA encoding the gp100 peptide antigen for melanoma immunotherapy. The gp100 encoding plasmid DNA was encapsulated in the inner-most aqueous phase of squalane oil containing W/O/W multiple emulsions using a two-step emulsification method. In vitro transfection ability of the encapsulated plasmid DNA was investigated in murine dendritic cells by transgene expression analysis using fluorescence microscopy and ELISA methods. Prophylactic immunization using the W/O/W multiple emulsions encapsulated the gp100 encoding plasmid DNA vaccine significantly reduced tumor volume in C57BL/6 mice during subsequent B16-F10 tumor challenge. In addition, serum Th1 cytokine levels and immuno-histochemistry of excised tumor tissues indicated activation of cytotoxic T-lymphocytes mediated anti-tumor immunity causing tumor growth suppression. The W/O/W multiple emulsions-based vaccine delivery system efficiently delivers the gp100 plasmid DNA to induce cell-mediated anti-tumor immunity.
journal_name
Int J Pharmjournal_title
International journal of pharmaceuticsauthors
Kalariya M,Amiji MMdoi
10.1016/j.ijpharm.2013.05.028subject
Has Abstractpub_date
2013-09-10 00:00:00pages
400-7issue
2eissn
0378-5173issn
1873-3476pii
S0378-5173(13)00431-6journal_volume
453pub_type
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