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An insight on lipid nanoparticles for therapeutic proteins delivery

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1-s2.0-S177322472200750X-main.pdf6.2 MBAdobe PDF Download

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Therapeutic proteins are well-tolerated bioactive compounds used in different therapies, due to its high speci-ficity and biopotency. Nevertheless, they may also present some physicochemical instability, leading to loss of bioactivity hampering treatments. This can be avoided by its loading into lipid nanoparticles, which are biocompatible and biodegradable carriers. The use of lipids nanoparticles to deliver therapeutic proteins over-comes different challenges, allowing its administration by all delivery routes. Thus, therapeutic proteins may be loaded into liposomes, the first developed lipid-based nanocarriers composed of phospholipid bilayers, solid lipid nanoparticles composed of a solid lipid matrix, or nanostructured lipid carriers made of a blend of liquid and solid lipid as matrix. The latter are currently marking the trend in lipid nanocarriers due to its high loading capacity, good stability upon storage and better sustained release pattern. Production methods must focus both on attaining the desired nanocarrier features, and maintenance of therapeutic proteins structure and bioactivity. This review aims to make an insight overview on the application of lipid nanoparticles to deliver therapeutic proteins, showing its potential in different therapies. A special focus is given to the production techniques to obtain therapeutic proteins-loaded lipid nanoparticles.

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Delivery system Encapsulation Liposome Nanostructured lipid carrier Solid lipid nanoparticle Therapeutic protein

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