Bioinspired Star-Shaped Poly(L-Lysine) Polypeptides; 2 Efficient Polymeric Nanocarriers for the Delivery of DNA 3 to Mesenchymal Stem Cells

David Walsh, Robert Murphy, Angela Panarella, Rosanne Raftery, Brenton Cavanagh, Jeremy C. Simpson, Fergal O'Brien, Andreas Heise &
The field of tissue engineering is increasingly recognizing that gene therapy can be employed for modulating in vivo cellular response thereby guiding tissue regeneration. However, the field lacks a versatile and biocompatible gene delivery platform capable of efficiently delivering transgenes to mesenchymal stem cells (MSCs), a cell type often refractory to transfection. Herein, we describe the extensive and systematic exploration of three architectural variations of star-shaped poly(l-lysine) polypeptide (star-PLL) with varying number and length of...
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