DNA nanostructures as promising anticancer agents: a review.

Area of Science:

• Biotechnology and Nanomedicine
• Molecular Oncology

Background:

• Cancer necessitates novel therapeutic strategies with improved efficacy and reduced toxicity.
• DNA nanostructures present a versatile and biocompatible platform for drug delivery and cancer treatment.

Purpose of the Study:

• To review recent advancements in the application of DNA nanostructures for anticancer therapies.
• To highlight the potential of DNA nanostructures in enhancing conventional and novel cancer treatment modalities.

Main Methods:

• Review of preclinical studies on DNA nanostructures in cancer therapy.
• Analysis of various DNA nanostructure designs (e.g., origami, dendrimers) and their therapeutic cargo.
• Examination of DNA nanostructures' role in drug delivery, gene therapy, phototherapy, and immunotherapy.

Main Results:

• DNA nanostructures demonstrate programmability, biocompatibility, and unique molecular architectures suitable for therapeutics.
• These nanostructures can encapsulate and deliver chemotherapeutics, gene-silencing agents, photosensitizers, and immunomodulators.
• Preclinical data show enhanced drug bioavailability, significant tumor regression, and potent immune responses with reduced toxicity.

Conclusions:

• DNA nanostructures represent a significant advancement in developing targeted and effective cancer treatments.
• Their ability to enhance drug delivery and integrate with multiple therapeutic strategies offers a promising future for oncology.