Posted in | News | Nanomedicine

Ultra-Small Nanomedicines Show Potential for Oligonucleotide Delivery to Intractable Cancers

Ultra-small nanomedicines of approximately 18 nm were fabricated by dynamic ion-pairing between Y-shaped block copolymers and nucleic acid drugs, such as siRNA and antisense drugs.

Chemically modified and double-stranded oligonucleotides dramatically enhanced the stability of the ultra-small nanomedicines in the blood circulation.

The ultra-small size allows for high permeability in cancer tissues by slipping through the cracks in tumor vasculatures and stromal tissues.

Clinical trials and preclinical studies using the developed ultra-small nanomedicines are proceeding for cancer therapy.

Published in the website of Journal of Controlled Release on January 6.

https://doi.org/10.1016/j.jconrel.2021.01.001

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