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Ito et al., 2023 - Google Patents

Iron and copper ions accelerate and modify dopamine oxidation to eumelanin: implications for neuromelanin genesis

Ito et al., 2023

Document ID
9930593812119127640
Author
Ito S
Napolitano A
Sarna T
Wakamatsu K
Publication year
Publication venue
Journal of Neural Transmission

External Links

Snippet

Dopamine (DA) is a precursor of neuromelanin (NM) synthesized in the substantia nigra of the brain. NM is known to contain considerable levels of Fe and Cu. However, how Fe and Cu ions affect DA oxidation to DA-eumelanin (DA-EM) and modify its structure is poorly …
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives
    • A61K47/48—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates
    • A61K47/48169—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates the modifying agent being an organic macromolecular compound, i.e. an oligomeric, polymeric, dendrimeric molecule
    • A61K47/4823—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates the modifying agent being an organic macromolecular compound, i.e. an oligomeric, polymeric, dendrimeric molecule the organic macromolecular compound being a polysaccharide or a derivative, e.g. starch, chitosan, chitin, cellulose, pectin, cyclodextrin with the pharmacologically active agent being covalently linked to the external surface of the ring structure, a bacterial polysaccharide or oligosaccharide antigen, a glycosaminoglycan
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives
    • A61K47/48—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates
    • A61K47/48369—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates the modifying part being an antibody, an immunoglobulin, or a fragment thereof, e.g. a Fc-fragment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/48—Investigating or analysing materials by specific methods not covered by the preceding groups biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic, hydroximic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K8/00—Cosmetic or similar toilet preparations
    • A61K8/18—Cosmetic or similar toilet preparations characterised by the composition
    • A61K8/30—Cosmetic or similar toilet preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetic or similar toilet preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4906—Cosmetic or similar toilet preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
    • A61K8/4913—Cosmetic or similar toilet preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid
    • A61K8/492—Cosmetic or similar toilet preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid having condensed rings, e.g. indol
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/48—Investigating or analysing materials by specific methods not covered by the preceding groups biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/84—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving inorganic compounds or pH
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/095—Sulfur, selenium, or tellurium compounds, e.g. thiols

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