Improving Gene Delivery: Synergy between Alkyl Chain Length and Lipoic Acid for PDMAEMA Hydrophobic Copolymers

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Abstract: In the field of gene delivery, hydrophobic cationic copolymers hold great promise. They exhibit improved performance by effectively protecting genetic material from serum interactions while facilitating interactions with cellular membranes. However, managing cytotoxicity remains a significant challenge, prompting an investigation into suitable hydrophobic components. A particularly encouraging approach involves integrating nutrient components, like lipoic acid, which is known for its antioxidant properties and diverse cellular benefits such as cellular metabolism and growth. In this study, a copolymer library comprising 2‐(dimethylamino) ethyl methacrylate (DMAEMA) and lipoic acid methacrylate (LAMA), combined with either n‐butyl methacrylate (nBMA), ethyl methacrylate (EMA), or methyl methacrylate (MMA), is synthesized. This enables to probe the impact of lipoic acid incorporation while simultaneously exploring the influence of pendant acyclic alkyl chain length. The inclusion of lipoic acid results in a notable boost in transfection efficiency while maintaining low cytotoxicity. Interestingly, higher levels of transfection efficiency are achieved in the presence of nBMA, EMA, or MMA. However, a positive correlation between pendant acyclic alkyl chain length and cytotoxicity is observed. Consequently, P (DMAEMA‐co‐LAMA‐co‐MMA), emerges as a promising candidate. This is attributed to the optimal combination of low cytotoxic MMA and transfection‐boosting LAMA, highlighting the crucial synergy between LAMA and MMA.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Improving Gene Delivery: Synergy between Alkyl Chain Length and Lipoic Acid for PDMAEMA Hydrophobic Copolymers ; day:02 ; month:02 ; year:2024 ; extent:7
Macromolecular rapid communications ; (02.02.2024) (gesamt 7)

Creator: Mapfumo, Prosper
Reichel, Liên S.
Hoeppener, Stephanie
Träger, Anja

DOI: 10.1002/marc.202300649

URN: urn:nbn:de:101:1-2024020314024235561298

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:20 AM CEST

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Mapfumo, Prosper
Reichel, Liên S.
Hoeppener, Stephanie
Träger, Anja

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