We report the study of a new drug delivery system programmed for the selective internalisation and the subsequent enzyme-catalysed release of two monomethylauristatin E molecules inside FR-positive cancer cells. This targeting device is the most potent β-galactosidase-responsive folate-drug conjugate developed so far, killing cancer cells expressing a medium level of FR at low nanomolar concentrations.
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| http://dx.doi.org/10.1039/c5cc05294g | DOI Listing |
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