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At every turn: Poly(γ-(4-vinylbenzyl)-L-glutamate) (PVBLG) is a bioactive and reactive template for a library of cationic α-helical polypeptides (PVBLGn-X) for gene delivery. The top-performing PVBLGn-X outperformed polyethyleneimine (PEI) by 12-fold. Preliminary data indicate that the helicity of the polypeptides is essential for their performance, and enhanced membrane disruption is a likely source of their transfection efficiency. RLU=relative light unit.
Gabrielson et al. (2011) studied this question.