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AssigneeNanobiotix
InventorsAgnès Pottier, Laurent Levy, Marie-Edith Meyre
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The present invention relates to the medical field, in particular to the modulation of electrical polarization of neurons. More specifically the present invention relates to a nanoparticle or nanoparticles' aggregate for use for modulating electrical polarization of neurons in a subject, for example for use in prevention or treatment of a neuronal disease in a subject, typically by modulating electrical polarization of neurons in the subject, wherein i) when the nanoparticle or nanoparticles' aggregate is exposed to a light source, the nanoparticle's or nanoparticles' aggregate's material is selected from a material enabling opto-electric transduction, opto-thermal transduction or opto-optical transduction, ii) when the nanoparticle or nanoparticles' aggregate is exposed to a magnetic field, the nanoparticle's or nanoparticles' aggregate's material is selected from a material enabling magneto-electric transduction or magneto-thermal transduction, iii) when the nanoparticle or nanoparticles' aggregate's surface is exposed to an ultrasound source, the nanoparticle's or nanoparticles' aggregate's material is a material enabling acousto-electric transduction, and wherein the nanoparticle or nanoparticles' aggregate is either neutrally charged in the absence of any coating or is coated with a hydrophilic agent conferring a neutral surface charge to the nanoparticle or nanoparticles' aggregate. It further relates to compositions and kits comprising such nanoparticles and/or nanoparticles' aggregates as well as to uses thereof.
A method for treating a neuronal disease in a subject by modulating electrical polarization of neurons in the subject, wherein the method comprises a) administering a composition of nanoparticle or nanoparticle aggregate to the subject, wherein i) when the nanoparticle or nanoparticle aggregate is exposed to a light source, the nanoparticle or nanoparticle aggregate material is selected from a material enabling opto-electric transduction, opto-thermal transduction or opto-optical transduction, or ii) when the nanoparticle or nanoparticle aggregate is exposed to a magnetic field, the nanoparticle or nanoparticle aggregate material is a material enabling magneto-electric transduction or magneto-thermal transduction, or iii) when the nanoparticle or nanoparticle aggregate is exposed to an ultrasound source, the nanoparticle or nanoparticle aggregate material is a material enabling acousto-electric transduction, and wherein the nanoparticle or nanoparticle aggregate surface is either neutrally charged in the absence of any coating or coated with a hydrophilic agent conferring a neutral surface charge to the nanoparticle or nanoparticle aggregate, the neutral charge being of about −10 mV to +10 mV, and b) exposing the subject to a light source, a magnetic field, or an ultrasound source, thereby modulating electrical polarization of neurons in the subject, and wherein the nanoparticle or nanoparticle aggregate of step a) is at least two distinct nanoparticles and/or nanoparticle aggregates, each nanoparticle or nanoparticle aggregate consisting of a distinct material selected from a material enabling opto-electric transduction, opto-thermal transduction, opto-optical transduction, magneto-electric transduction, magneto-thermal transduction or acousto-electric transduction, and the nanoparticle or nanoparticle aggregate surface being optionally coated with a hydrophilic agent conferring a neutral surface charge to the nanoparticle or nanoparticle aggregate.
A method for treating a neuronal disease in a subject by modulating electrical polarization of neurons in the subject, wherein the method comprises a) administering a composition to the subject, the composition comprising nanoparticles and/or nanoparticle aggregates and a pharmaceutically acceptable support, wherein i) when the nanoparticle or nanoparticle aggregate is exposed to a light source, the nanoparticle or nanoparticle aggregate material is selected from a material enabling opto-electric transduction, opto-thermal transduction or opto-optical transduction, or ii) when the nanoparticle or nanoparticle aggregate is exposed to a magnetic field, the nanoparticle or nanoparticle aggregate material is a material enabling magneto-electric transduction or magneto-thermal transduction, or iii) when the nanoparticle or nanoparticle aggregate is exposed to an ultrasound source, the nanoparticle or nanoparticle aggregate material is a material enabling acousto-electric transduction, and wherein the nanoparticle or nanoparticle aggregate surface is either neutrally charged in the absence of any coating or coated with a hydrophilic agent conferring a neutral surface charge to the nanoparticle or nanoparticle aggregate, the neutral charge being of about −10 mV to +10 mV, and b) exposing the subject to a light source, a magnetic field, or an ultrasound source, thereby modulating electrical polarization of neurons in the subject, and
Dependencies are inferred from the claim text.