6533b827fe1ef96bd1285979

RESEARCH PRODUCT

A l-glutamate-responsive delivery system based on enzyme-controlled self-immolative arylboronate-gated nanoparticles

Pablo GaviñaPablo GaviñaReynaldo VillalongaAlba García-fernándezTania M. Godoy-reyesFélix SancenónAna M. CosteroAna M. CosteroRamón Martínez-máñezAntoni Llopis-lorente

subject

chemistry.chemical_classificationEnzymechemistry010405 organic chemistryL glutamateOrganic ChemistryNanoparticleDelivery system010402 general chemistry01 natural sciencesCombinatorial chemistry0104 chemical sciences

description

We report herein a L-glutamate (L-Glu)-responsive delivery system. It consists of Janus Au–mesoporous silica (MS) nanoparticles functionalized with L-glutamate oxidase on the Au face and with self-immolative arylboronate derivatives as caps on the MS face. The MS face is additionally loaded with a cargo. The delivery paradigm is based on the recognition of L-Glu by the enzyme and the subsequent formation of H2O2, which induces the cleavage of the self-immolative gate and the uncapping of the pores. Given the importance of L-Glu as a key neurotransmitter, we hope that these findings will help in designing new therapeutic strategies for nervous system diseases.

https://doi.org/10.1039/c9qo00093c