Spherical nucleic acids: Organized nucleotide aggregates as versatile nanomedicine

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Molecular Biology

Background:

• Spherical nucleic acids (SNAs) consist of a nanoparticle core with densely packed oligonucleotide shells.
• First reported in 1996, SNAs have garnered significant interest for gene and drug delivery applications.
• Oligonucleotide arrangement on nanoparticles enhances gene/drug delivery and modulates nanoparticle biological profiles.

Purpose of the Study:

• To provide an overview of recent advancements in SNAs for biomedical applications.
• To highlight the bioengineering of SNAs for disease imaging and treatment.
• To discuss the challenges, opportunities, and clinical translation of SNAs.

Main Methods:

• Review of recent scientific literature on spherical nucleic acids.
• Analysis of SNA characteristics and their role in drug/gene delivery systems.
• Examination of bioengineering strategies for SNA-based disease treatment and diagnosis.

Main Results:

• SNAs demonstrate significant potential for improving gene and drug delivery efficacy.
• Bioengineered SNAs show promise in imaging and treating various diseases.
• Ongoing clinical trials indicate a potential transition of SNAs to clinical practice.

Conclusions:

• SNAs represent a promising platform for advanced nucleic acid-based therapeutics and diagnostics.
• Further research and development are crucial for overcoming challenges and realizing the full clinical potential of SNAs.
• SNAs are poised to impact the future landscape of clinical practices in disease diagnosis and treatment.