Gold-Small Interfering RNA as Optically Responsive Nanostructures for Cancer Theranostics

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Oncology

Background:

• Small interfering RNA (siRNA) holds therapeutic potential for cancer by modulating gene expression.
• Clinical application of siRNA is hindered by challenges in targeted delivery and durable gene silencing within the tumor microenvironment.

Purpose of the Study:

• To review the use of gold nanocarriers for siRNA delivery in targeted cancer therapy.
• To highlight the theranostic capabilities of gold nanostructures in cancer treatment.

Main Methods:

• Discussion of various gold nanocarrier geometries and architectures for siRNA delivery.
• Exploration of the optical imaging and tracking functionalities of gold nanostructures.

Main Results:

• Gold nanocarriers demonstrate potential for effective and targeted siRNA delivery to cancer sites.
• Gold nanostructures facilitate optical tracking of siRNA delivery, enabling theranostics.

Conclusions:

• Gold nanocarriers represent a viable strategy for overcoming siRNA delivery challenges in cancer therapy.
• The theranostic properties of gold nanostructures enhance the precision and monitoring of siRNA-based cancer treatments.