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Issue 38, 2007
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Novel approaches in microparticulate PLGA delivery systems encapsulating proteins

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Abstract

Poly(lactide-co-glycolide) (PLGA) microspheres have been widely investigated as controlled-release carriers for proteins. Proteins may undergo physical denaturation and chemical degradation during microspheres fabrication and during evaluation in simulated physiological conditions, making the controlled delivery of proteins a daunting task. Generally, such formulations show undesirable release patterns, making them unsuitable for most therapeutic applications. Over the past ten years, there has been some success in overcoming issues associated with PLGA microspheres encapsulating proteins. Two approaches that are discussed in this Feature Article have shown very promising results: expanding the commercial and therapeutic success of protein PEGylation, and ion-pairing proteins with polyelectrolytes to improve microspheres fabrication, characteristics, and performance.

Graphical abstract: Novel approaches in microparticulate PLGA delivery systems encapsulating proteins

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Article information


Submitted
09 May 2007
Accepted
24 Jul 2007
First published
14 Aug 2007

J. Mater. Chem., 2007,17, 4002-4014
Article type
Feature Article

Novel approaches in microparticulate PLGA delivery systems encapsulating proteins

A. Taluja, Y. S. Youn and Y. H. Bae, J. Mater. Chem., 2007, 17, 4002
DOI: 10.1039/B706939A

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