| abstract |
The present invention provides a carrier capable of highly efficiently introducing a compound into cells with low cytotoxicity, which contains peptide lipids represented by the following formula, and a method for introducing a compound into cells using the carrier: wherein R<1> is an amino acid or peptide having 1-10 amino acid residues, R<2> is a side chain of any amino acid, provided that R<2> has a carboxyl group, the carboxyl group may be an ester with a hydrocarbon group having 1-30 carbon atoms, R<3> is a hydrocarbon group having 1-30 carbon atoms. |