A self-assembled, modular nucleic acid-based nanoscaffold for multivalent theranostic medicine

Area of Science:

• Biotechnology
• Nanomedicine
• Personalized Medicine

Background:

• Increasing demand for personalized medicine drives development of advanced drug delivery systems.
• Need for multifunctional systems with high efficacy and minimal side effects.

Purpose of the Study:

• To develop a flexible, multifunctional nucleic acid nanoscaffold for theranostics.
• To characterize its in vitro and in vivo properties for tailored treatments.

Main Methods:

• Synthesis and characterization of a ~4 nm nucleic acid nanoscaffold.
• In vitro and in vivo testing of assembly, stability, and functionalization.
• Pharmacokinetic, targeting, and bioimaging studies in mice.

Main Results:

• Developed a stable, self-assembling nanoscaffold with four functionalizable modules.
• Tunable circulation time via polyethylene glycol or fatty acid conjugation.
• Achieved efficient hepatocyte-specific internalization using tri-antennary galactosamine.

Conclusions:

• The nanoscaffold is a versatile platform technology for theranostics.
• Facile functionalization, stoichiometric control, and stability enable in vivo applications.
• Offers potential for tailored drug delivery in personalized medicine.