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Manufacture and Drug Delivery Applications of Silk Nanoparticles

Manufacture and Drug Delivery Applications of Silk Nanoparticles

Published on: October 8, 2016

Genetically encoded elastin-like polypeptide nanoparticles for drug delivery.

Joshua J Milligan¹, Soumen Saha¹, Irene C Jenkins¹

¹Department of Biomedical Engineering, Duke University, Durham, NC 277018, USA.

Current Opinion in Biotechnology

|December 17, 2021

Summary

Elastin-like polypeptides (ELPs) form nanoparticles for improved drug delivery, overcoming issues like poor half-life and toxicity. These self-assembling biomaterials enhance drug effectiveness and targeting.

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Area of Science:

Biomaterials Science
Nanotechnology
Drug Delivery Systems

Background:

Small molecule drugs often exhibit short in vivo half-lives, rapid degradation, and systemic toxicity.
Nanoparticles offer a promising solution for enhancing drug delivery, reducing toxicity, and improving organ targeting.
Elastin-like polypeptides (ELPs) are recombinantly synthesized biomaterials with advantageous properties for nanoparticle design.

Purpose of the Study:

To review recent advancements in genetically encoded, self-assembling ELP nanoparticles.
To explore the applications of ELP nanoparticles in drug delivery.
To highlight how ELPs facilitate the rational design of drug delivery systems.

Main Methods:

Utilizing genetically encoded elastin-like polypeptides (ELPs) for nanoparticle synthesis.
Leveraging the stimuli-responsive self-assembly properties of ELPs.
Loading various drugs into ELP nanostructures for enhanced delivery.

Main Results:

ELP nanoparticles demonstrate biocompatibility and precise control over structure.
Self-assembly of ELPs leads to nanostructures suitable for drug encapsulation.
Enhanced pharmacokinetics and pharmacodynamics of drugs delivered via ELP nanoparticles.

Conclusions:

Genetically encoded, self-assembling ELP nanoparticles represent a significant development in drug delivery.
ELP-based nanostructures improve therapeutic efficacy compared to free drugs.
ELPs offer a versatile platform for designing advanced drug delivery systems.