Proteomics
A conjugate enhances cytosolic delivery of plasmid DNA
Published in Gene Therapy Weekly, March 13th, 2003
According to a study from the United States, "listeriolysin O (LLO), a sulfhydryl-activated pore-forming protein from Listeria monocytogenes, was tested and utilized for promoting plasmid DNA (pDNA) delivery into the cytosol of cells in culture."
"To render pDNA-complexing capability to LLO, the unique cysteine 484 of LLO was conjugated to polycationic peptide protamine (PN) at a 1:1 molar ratio through a reversible, endosome-labile disulfide bond. The sulfhydryl-oxidized LLO construct, LLO-s-s-PN, completely lacked its pore-forming activity, yet regained its original activity upon...
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Source: Gene Therapy Weekly (2003-03-13)
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