The present invention provides MTD peptides having cell permeability which can facilitate {HEAD ~ the transport} of {TAIL ~ a biologically active molecule} into a cell and, thus, can be effectively used for drug delivery, vaccine administration, peptide therapy, and gene therapy 
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The present invention provides MTD peptides having cell permeability which can facilitate { HEAD ~ the transport } of { TAIL ~ a biologically active molecule } into a cell and , thus , can be effectively used for drug delivery , vaccine administration , peptide therapy , and gene therapy
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