Janus nanocarrier powered by bi-enzymatic cascade system for smart delivery. 2019

Sandra Jimenez-Falcao, and Natalia Joga, and Alba García-Fernández, and Antoni Llopis Lorente, and Daniel Torres, and Beatriz de Luis, and Félix Sancenón, and Paloma Martínez-Ruiz, and Ramón Martínez-Máñez, and Reynaldo Villalonga
Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain. palmarti@ucm.es rvillalonga@quim.ucm.es.

We report herein the assembly of an integrated nanodevice with bi-enzymatic cascade control for on-command cargo release. This nanocarrier is based on Au-mesoporous silica Janus nanoparticles capped at the mesoporous face with benzimidazole/β-cyclodextrin-glucose oxidase pH-sensitive gate-like ensembles and functionalized with invertase on the gold face. The rationale for this delivery mechanism is based on the invertase-mediated hydrolysis of sucrose yielding glucose, which is further transformed into gluconic acid by glucose oxidase causing the disruption of the pH-sensitive supramolecular gates at the Janus nanoparticles. This enzyme-powered device was successfully employed in the autonomous and on-demand delivery of doxorubicin in HeLa cancer cells.

UI MeSH Term Description Entries
D004317 Doxorubicin Antineoplastic antibiotic obtained from Streptomyces peucetius. It is a hydroxy derivative of DAUNORUBICIN. Adriamycin,Adriablastin,Adriablastine,Adriblastin,Adriblastina,Adriblastine,Adrimedac,DOXO-cell,Doxolem,Doxorubicin Hexal,Doxorubicin Hydrochloride,Doxorubicin NC,Doxorubicina Ferrer Farm,Doxorubicina Funk,Doxorubicina Tedec,Doxorubicine Baxter,Doxotec,Farmiblastina,Myocet,Onkodox,Ribodoxo,Rubex,Urokit Doxo-cell,DOXO cell,Hydrochloride, Doxorubicin,Urokit Doxo cell
D004337 Drug Carriers Forms to which substances are incorporated to improve the delivery and the effectiveness of drugs. Drug carriers are used in drug-delivery systems such as the controlled-release technology to prolong in vivo drug actions, decrease drug metabolism, and reduce drug toxicity. Carriers are also used in designs to increase the effectiveness of drug delivery to the target sites of pharmacological actions. Liposomes, albumin microspheres, soluble synthetic polymers, DNA complexes, protein-drug conjugates, and carrier erythrocytes among others have been employed as biodegradable drug carriers. Drug Carrier
D005942 Gluconates Derivatives of gluconic acid (the structural formula HOCH2(CHOH)4COOH), including its salts and esters. Copper Gluconate,Gluconate, Copper
D005949 Glucose Oxidase An enzyme of the oxidoreductase class that catalyzes the conversion of beta-D-glucose and oxygen to D-glucono-1,5-lactone and peroxide. It is a flavoprotein, highly specific for beta-D-glucose. The enzyme is produced by Penicillium notatum and other fungi and has antibacterial activity in the presence of glucose and oxygen. It is used to estimate glucose concentration in blood or urine samples through the formation of colored dyes by the hydrogen peroxide produced in the reaction. (From Enzyme Nomenclature, 1992) EC 1.1.3.4. Microcid,Oxidase, Glucose
D006367 HeLa Cells The first continuously cultured human malignant CELL LINE, derived from the cervical carcinoma of Henrietta Lacks. These cells are used for, among other things, VIRUS CULTIVATION and PRECLINICAL DRUG EVALUATION assays. Cell, HeLa,Cells, HeLa,HeLa Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000080873 Multifunctional Nanoparticles Nanoparticles that are engineered to have two or more physical properties. Janus Nanoparticle,Janus Nanoparticles,Janus Particle,Janus Particles,Multifunctional Nanoparticle,Patchy Particle,Patchy Particles,Two-Faced Nanoparticle,Two-Faced Nanoparticles,Nanoparticle, Janus,Nanoparticle, Multifunctional,Nanoparticles, Multifunctional,Particle, Janus,Particle, Patchy,Particles, Patchy,Two Faced Nanoparticle,Two Faced Nanoparticles
D016503 Drug Delivery Systems Systems for the delivery of drugs to target sites of pharmacological actions. Technologies employed include those concerning drug preparation, route of administration, site targeting, metabolism, and toxicity. Drug Targeting,Delivery System, Drug,Delivery Systems, Drug,Drug Delivery System,Drug Targetings,System, Drug Delivery,Systems, Drug Delivery,Targeting, Drug,Targetings, Drug
D043324 beta-Fructofuranosidase A glycoside hydrolase found primarily in PLANTS and YEASTS. It has specificity for beta-D-fructofuranosides such as SUCROSE. beta-D-Fructofuranosidase,Acid Invertase,Invertase,Saccharase,Sacrosidase,Sucraid,Sucrose 6-Phosphate Hydrolase,beta-Fructosidase,6-Phosphate Hydrolase, Sucrose,Hydrolase, Sucrose 6-Phosphate,Invertase, Acid,Sucrose 6 Phosphate Hydrolase,beta D Fructofuranosidase,beta Fructofuranosidase,beta Fructosidase

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