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Issue 35, 2018
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Lipid-coated mesoporous silica microparticles for the controlled delivery of β-galactosidase into intestines

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Abstract

β-Galactosidase has been drawing increasing attention for the treatment of lactose intolerance, but its delivery has been impeded by degradation under gastric conditions. We have demonstrated that the coating of mesoporous silica microparticles (diameter ≈ 9 µm, pore size ≈ 25 nm) with dioleoylphosphatidylcholine membranes significantly improved the loading capability and protected the enzymes from the loss of function under simulated gastric conditions. Once the particles are transferred to simulated intestinal conditions, the digestion of phosphatidylcholine with pancreatin led to the release of functional β-galactosidase. The coating of mesoporous silica nanoparticles with a single phospholipid bilayer opens up a large potential towards the controlled release of orally administrated drugs or enzymes to the intestines.

Graphical abstract: Lipid-coated mesoporous silica microparticles for the controlled delivery of β-galactosidase into intestines

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Supplementary files

Article information


Submitted
27 Apr 2018
Accepted
06 Aug 2018
First published
07 Aug 2018

J. Mater. Chem. B, 2018,6, 5633-5639
Article type
Paper

Lipid-coated mesoporous silica microparticles for the controlled delivery of β-galactosidase into intestines

I. Pavel, M. Girardon, S. El Hajj, S. Parant, F. Amadei, S. Kaufmann, M. Tanaka, V. Fierro, A. Celzard, N. Canilho and A. Pasc, J. Mater. Chem. B, 2018, 6, 5633
DOI: 10.1039/C8TB01114A

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