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Potansiyel Gen Dağıtımı Uygulamaları için Poegma ve Sistaminle Modifiye Plazmit DNA'lar İçeren Polimerik Konjugatlar
(Abdullah Gül Üniversitesi, Fen Bilimleri Enstitüsü, 2024) Yıldız, Gizem; İşoğlu, İsmail Alper; İşoğlu, Sevil Dinçer
Polymer-based gene delivery systems have revealed significant advancements in the treatment of various diseases in recent years. Considering the potential of polymeric vectors, it is observed that the improvements in the field of gene therapy enable effective gene transfection and induced therapeutic protein production. In this thesis study, a strategy based on a new conjugation procedure is designed to increase the gene transfer and cellular uptake rate of plasmid DNAs. According to the findings, POEGMA-based carrier and cystamine-modified plasmid DNAs demonstrated successful conjugation through disulfide bond formation. MDA-MB-231 in vitro cellular uptake results of conjugates showed 94-98% cell internalization, indicating excellent results compared to the well-known polymers in the literature. As a result, the new delivery system we developed in this study determined the success of cystamine-modified plasmid DNAs binding to POEGMA polymer chains via a covalent linkage for the first time in the literature and provided a start for future studies.

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