EP2170358A2 - Age-deglykierung - Google Patents

Age-deglykierung

Info

Publication number
EP2170358A2
EP2170358A2 EP08786013A EP08786013A EP2170358A2 EP 2170358 A2 EP2170358 A2 EP 2170358A2 EP 08786013 A EP08786013 A EP 08786013A EP 08786013 A EP08786013 A EP 08786013A EP 2170358 A2 EP2170358 A2 EP 2170358A2
Authority
EP
European Patent Office
Prior art keywords
ages
acid
promoting
skin
composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08786013A
Other languages
English (en)
French (fr)
Inventor
Nabil Abdul-Malak
Cécile ALTOBELLI
Eric Perrier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Beauty Care Solutions France SAS
Original Assignee
BASF Beauty Care Solutions France SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF Beauty Care Solutions France SAS filed Critical BASF Beauty Care Solutions France SAS
Publication of EP2170358A2 publication Critical patent/EP2170358A2/de
Withdrawn legal-status Critical Current

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Classifications

    • 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 groups G01N1/00 - G01N31/00
    • G01N33/48—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
    • G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
    • G01N33/6803—General methods of protein analysis not limited to specific proteins or families of proteins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/045—Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
    • A61K31/05—Phenols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/13—Amines
    • A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
    • A61K31/136—Amines having aromatic rings, e.g. ketamine, nortriptyline having the amino group directly attached to the aromatic ring, e.g. benzeneamine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19—Carboxylic acids, e.g. valproic acid
    • A61K31/192—Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid 
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
    • A61K31/352—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline 
    • A61K31/353—3,4-Dihydrobenzopyrans, e.g. chroman, catechin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
    • A61K31/404—Indoles, e.g. pindolol
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A61K31/407—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with other heterocyclic ring systems, e.g. ketorolac, physostigmine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/60—Salicylic acid; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/347—Phenols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/35—Ketones, e.g. benzophenone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/368—Carboxylic acids; Salts or anhydrides thereof with carboxyl groups directly bound to carbon atoms of aromatic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/41—Amines
    • A61K8/415—Aminophenols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
    • A61K8/4913—Cosmetics or similar toiletry 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—Cosmetics or similar toiletry 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
    • A61K8/498—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom having 6-membered rings or their condensed derivatives, e.g. coumarin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783—Angiosperms [Magnoliophyta]
    • A61K8/9789—Magnoliopsida [dicotyledons]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A61P17/18—Antioxidants, e.g. antiradicals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/08—Anti-ageing preparations

Definitions

  • the invention relates to the use of active principles to promote the deglycation of glycated proteins, in other words to promote the reversion of the Maillard reaction.
  • the present invention relates in particular to substances which can be used topically or orally to act on glycated proteins in a tissue, such as for example in the skin, or at the level of the tissue wall of a blood vessel or the like. an organ, especially in a human being.
  • sugar especially in the form of glycans, induces glycation of proteins (binding of sugar to proteins), in particular at the level of the skin.
  • This glycation is quite normal, however, when the blood sugar level increases, such as, especially in diabetic subjects, during aging, or when the diet is rich in sugars.
  • non-enzymatic glycation or glycosylation is a purely chemical and spontaneous reaction of covalently binding a carbohydrate to a peptide chain.
  • Glycation is a fundamental mechanism of aging resulting from the attachment of free sugars to amino acids or proteins.
  • the glycated proteins also called advanced glycation products or AGEs (Advanced Glycation Endproducts). These compounds in particular decrease the flexibility, elasticity, and functionality of the skin.
  • the glycation process takes place in three stages:
  • Proteins of the extracellular matrix are affected by glycation. Glycation modifies the properties of these proteins, making them more resistant to proteolysis and preventing their renewal.
  • AGEs induce the formation of molecular bridges between collagen fibers, making it more rigid and less soluble.
  • AGEs could have other actions by binding to specific receptors present in macrophages, endothelial and mesangial cells, by inducing the secretion of pro-inflammatory cytokines or growth factors.
  • the importance of protein glycation has been underlined by the effect of drugs that inhibit glycation, resulting in slower aging of some functions in experimental animals. During diabetes mellitus, there is also an exaggerated glycation of proteins, linked to the rise in blood sugar.
  • the main aim of the invention is to solve the technical problem consisting in the supply of active substances making it possible to limit the presence of AGEs, by reversing the Maillard reaction, in particular at the level of a tissue, such as for example at the level of the skin. , or at the level of the tissue wall of a blood vessel or organ, and in particular the skin.
  • the present invention aims in particular to solve this technical problem in the context of the provision of cosmetic, dermatological or pharmaceutical compositions that prevent or fight against the reduction of the elastic and plastic properties of a tissue, such as for example at the level of the skin , or at the level of the tissue wall of a blood vessel or an organ, and in particular the skin, especially during tissue aging or diabetes.
  • the present invention also aims to provide a method for screening active ingredients having the properties mentioned above.
  • the present invention is intended to solve the technical problem reliably, reproducibly, providing non-toxic active substances, particularly for the cosmetics industry, dermatology, dermo-pharmacy, or pharmacy preferably topically.
  • the object of the invention is in particular to provide substances having a low toxicity and dermatologically acceptable.
  • the present invention also aims to provide active ingredients whose preparation is inexpensive, and industrially reliable and simple.
  • Glycation is implicated in many age-related progressive diseases, such as vascular diseases (such as atherosclerosis), kidney disease, arthritis, diabetes complications, scarring, and so on. It is significant that diabetic complications due to glycation, can occur even at a younger age in diabetic individuals, whose average blood sugar concentration is higher than normal.
  • oxidative stress is directly related to hyperglycemia. Too much sugar in the blood oxidizes easily. This oxidation of sugars leads, among other things, to sugar / protein or glycation grafts. The increased glycated hemoglobin level in diabetes is the typical example.
  • the glycation products whose rate is proportional to the level of blood glucose, over a long period of time, are partly responsible for tissue aging, the reduction of elastic and plastic properties is one of the causes.
  • the present invention describes the use of an active substance promoting the deglycation of AGEs, or promoting the reversion of the Maillard reaction with respect to AGEs, for the preparation of a composition, in particular to limit the presence of AGEs. at the level of a fabric.
  • this composition is intended, for example, to combat the reduction of the flexibility, and / or of the elasticity, and / or the plasticity, and / or the functionality of a tissue, such as for example at the skin level. , or at the tissue wall of a blood vessel or organ.
  • the present invention also relates to a composition for combating and / or preventing skin aging, for preventing and / or combating the reduction of the elastic and plastic properties of tissues, and in particular of the skin, by deglycation of AGEs, or by reversal of the Maillard reaction with respect to AGEs, at the cutaneous level, comprising as active substance a substance promoting the deglycation of AGEs.
  • the present invention relates to the use of at least one active substance promoting the deglycation of AGEs, or promoting the reversal of the Maillard reaction with respect to AGEs, chosen from the following group: 3,5-Dimethoxy-4- acid hydroxycinnamic (sinapic acid), trans-3,3 ', 4', 5,7-pentahydroxyflavane (catechin), oxindole, 3,4-dihydroxyphenylacetic acid (DOPAC), 1,3,5-trihydroxybenzene (phloroglucinol), 4 aminophenol, 2-hydroxybenzoic acid (salicylic acid), 6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid (Trolox), nordihydroguareaic acid, 6-methyl-5,7a, 13,13b-tetraazapentaphene- 8,14-dione, 6-hydroxyindole, Hydrobromide salsolinol, 7-hydroxy-4,6-dimethyl phthalide,
  • the active substance promoting the deglycation of AGEs, or promoting the reversion of the Maillard reaction with respect to AGEs is a plant extract chosen from the group consisting of:
  • the active substance promoting the deglycation of AGEs, or promoting the reversion of the Maillard reaction with respect to AGEs is a characterized molecule chosen from the group consisting of:
  • DOPAC 3,4-dihydroxyphenylacetic acid
  • phloroglucinol 1,3,5-trihydroxybenzene
  • the composition is a cosmetic, dermatological, dermopharmaceutical or pharmaceutical composition of topically applicable preference, or dietary supplement (nutraceutical).
  • the present invention relates to the use of an active substance for the preparation of a composition for the fight against glycation glycated proteins, especially at the cutaneous level, related to the rise in blood sugar during diabetes mellitus.
  • the present invention relates to the use of an active substance for the preparation of a composition for controlling AGEs formed in glomeruli, and in particular to reduce the excretion of albumin in diabetic subjects.
  • the active substance can be concentrated by lyophilization, atomization, etc.
  • Said active substance is usually used at a concentration between 0.001 and 10%, preferably between 0.01 and 5%, more particularly 1% for plant extracts, and between 1.10 "7 and 1%, and preferably 1.10" 7 and 1.10 "1%, more preferably IOL" 5 and 1.10 "lo / o for the characterized molecules, by weight of the total composition, without this being limiting concentration to use.
  • Those which promote the deglycation of AGEs are at least 50% preferred, with reference to the action produced by aminoguanidine at 15mM.
  • the present invention also relates to a cosmetic composition, applicable topically or as a dietary supplement, or a pharmaceutical composition in particular for preventing and / or combating the reduction of flexibility, and / or plasticity, and / or the elasticity, and / or the functionality of the skin, and / or to prevent and / or fight against skin aging, by promoting the reversal of the Maillard reaction with respect to AGEs at the cutaneous level, said composition comprising as active ingredient at least one substance promoting the degeneration of AGEs at the cutaneous level, preferably selected from the group consisting of: 3,5-Dimethoxy-4-hydroxycinnamic acid (sinapic acid), Trans-3,3 ', 4 ', 5,7-Pentahydroxy-flavane (catechin), oxindole, 3,4-dihydroxyphenylacetic acid (DOPAC), 1,3,5-trihydroxybenzene (phloroglucinol) 4-aminophenol, 2-hydroxybenzoic acid (salicylic acid), 6-
  • the active substance promoting the deglycation of AGEs, or promoting the reversion of the Maillard reaction with respect to AGEs is a plant extract chosen from the group consisting of: - Aye Wiwii (Maprounea guyanensis), and preferably the leaves
  • Cercopia (Cercopia obtusa), and preferably the leaves and / or buds, - Pyrole (Chimaphila umbellata).
  • the active substance promoting the deglycation of AGEs, or promoting the reversion of the Maillard reaction with respect to AGEs is a characterized molecule chosen from the group consisting of:
  • DOPAC 3,4-dihydroxyphenylacetic acid
  • phloroglucinol 1,3,5-trihydroxybenzene
  • the whole vegetable or part of the plant chosen from a root, a rhizome, a stem, a bark, a flower, a fruit, a seed, a seed, and a leaf, preferably at 1-10% (w / w) in a solvent or a mixture of solvents, preferably a protic polar solvent, and advantageously in water, an alcohol, a glycol, a polyol, a water / alcohol mixture, water / glycol, or water / polyol (such as water mixed with ethanol, glycerol, butylene glycol or other glycols, such as xylitol etc.) from 100/0 to 0/100 (v / v).
  • the extracts obtained are then preferably filtered or distilled to recover the soluble fraction which is then filtered.
  • the active substance is advantageously the plant extract in a solvent, such as water, an alcohol, a polyol, a glycol, or a mixture thereof, preferably diluted to a concentration of between 0.01 and 10% (v / v ).
  • glycation-inhibiting compounds ie reducing the formation of AGEs
  • an extracted compound preferably by maceration, in a solvent or a mixture of solvents such as water, an alcohol or a glycol.
  • a plant selected from: a Guarana extract (Paullinia cupana), preferentially seeds, Epimede (Epimedium brevicornum), preferentially leaves, crimped looper (Rumex crispus), preferentially bark, Sarsaparilla (Smilax Ornata), preferentially the root, Liana of natives (Davilla rugosa), preferentially the leaves, Cachou (preferably wood), Sylmarin (preferably fruit), Pin, preferential pinus species (preferably root), Rhubarb of China (preferably root),, Hawthorn (preferably sheet), leucocyanidins (preferably seeds), Aréquier (preferably seeds), Bilberry (preferably fruit), Elderberry (preferably fruit), Walnut (preferably leaf), Willow (preferably bark), Salad (leaf preference), and Lespedeza (preference sheet); and / or a compound selected from sodium erythro
  • the present invention relates to a method of cosmetic care comprising the topical application, or as a dietary supplement (nutraceutical), a composition comprising as cosmetic active ingredient at least one of the active ingredients mentioned above or cited below.
  • the present invention further relates to a method of treating the human body comprising administering a pharmaceutical composition mentioned above or cited below, preferably topically, to prevent and / or fight against the glycation of proteins at a level of tissue, especially when the blood sugar level rises and / or is high, as for example during diabetes.
  • the invention particularly relates to a method for reducing albumin excretion in a diabetic subject.
  • the present invention also relates to a method for screening active principles promoting the deglycation of AGEs, comprising: a) producing AGEs; b) bringing the AGEs into contact with a substance to be screened for its activity with respect to the deglycation of AGEs; c) the selection of at least one active ingredient promoting the deglycation of AGEs.
  • step a) comprises an incubation of at least one type of protein of the skin or of blood vessel walls in the presence of a sugar (for example: glucose, ribose, fructose, etc.) under conditions allowing the AGEs formation, and preferably at a temperature between 40 and 60 0 C, and more preferably at about 50 0 C, for a period of between 1 and 5 weeks and preferably 3 weeks.
  • step b) comprises incubating the AGEs in the presence of at least one substance to be screened at a temperature of between 40 and 60 ° C., and preferably at approximately 50 ° C.
  • the selection of the active ingredient is carried out by comparing the results obtained in the presence of the tested active with respect to a control or control.
  • the compounds according to the present invention are prepared in the form of topical compositions, in particular of cosmetic, dermopharmaceutical or pharmaceutical compositions.
  • the excipient contains, for example, at least one compound chosen from the group consisting of preservatives, emollients, emulsifiers, surfactants, moisturizers, thickeners, conditioners, mattifying agents, stabilizers, antioxidants, texture agents, gloss agents, film formers, solubilizers, pigments, dyes, fragrances and sunscreens.
  • excipients are preferably chosen from the group consisting of amino acids and their derivatives, polyglycerols, esters, polymers and cellulose derivatives, lanolin derivatives, phospholipids, lactoferrins, lactoperoxidases, stabilizers based on sucrose, vitamins E and its derivatives, natural and synthetic waxes, vegetable oils, triglycerides, unsaponifiables, phytosterols, vegetable esters, silicones and its derivatives, protein hydrolysates, Jojoba oil and its derivatives, lipo / water-soluble esters, betaines, aminoxides, plant extracts, sucrose esters, titanium dioxides, glycines, and parabens, and more preferably from the group consisting of butylene glycol, steareth -2, steareth-21, glycol-15 stearyl ether, cetearyl alcohol, phenoxyethanol, methylparaben, ethylparaben, propylparaben, butyl
  • the active substances stimulating cell proliferation and / or differentiation, having an anti-aging effect in particular the following molecules: NGF, alpha-MSH, beta-endorphin or their derivatives, in particular those described in the patent application FR2857874, the active substances protecting fibroblast growth factor (FGF), in particular FGF2, in particular those described in the patent application on behalf of the Applicant published under No. GB244036, in particular an extract of Hibiscus Abelmoscus, the active substances stimulating the activity and / or the proliferation of fibroblasts, in particular a fermented soybean peptide, in particular that marketed by the Applicant under the name Phytokine TM, advantageously in combination with a Hibiscus Abelmoscus extract.
  • the active substances stimulating Hyaluronase synthase in particular
  • compositions are formulated in a form chosen from the group consisting of an aqueous or oily solution, an aqueous cream or gel or an oily gel, in particular in a pot or in a tube, in particular a shower gel, a shampoo; a milk ; an emulsion, a microemulsion or a nanoemulsion, especially oil-in-water or water-in-oil or multiple or silicone; a lotion, in particular in a glass or plastic bottle or in a measuring or aerosol flask; a lightbulb ; a liquid soap; a dermatological bread; an ointment ; a mousse; an anhydrous product, preferably liquid, pasty or solid, for example in the form of a stick, especially in the form of lipstick.
  • topical application means applying or vaporizing the composition according to the present invention on the surface of the skin.
  • compositions or components thereof are adapted to use in contact with human skin without toxicity, incompatibility, instability, allergic response, or their equivalents, undue.
  • voring the degassing of AG Es or "promoting the reversal of the Maillard reaction with respect to AGEs” mean that the substance makes it possible to obtain, from an advanced glycation product (AGE), a protein not glycated in an amount greater than a negative control (absence of active principle), for example as estimated by a difference in fluorescence according to Example 1 between a control sample (absence of active ingredient) and a sample comprising the presence of the substance promoting the deglycation of AGEs.
  • the fluorescence obtained with the sample comprising the presence of the substance promoting the deglycation of the AGEs is compared with the fluorescence obtained obtained in the presence of aminoguanidine.
  • substance promoting the deglycation of AGEs relate in particular to substances whose fluorescence obtained in the presence of the substance is at least equal to 70% of the fluorescence obtained in the presence of aminoguanidine at 15 mM and in the absence of active principle .
  • deglycation of AGEs means the reversal of the Maillard reaction.
  • anti-acne agents eg clove oil, menthol, camphor, eucalyptus oil, eugenol, menthyl lactate, witch hazel distillate
  • anti-acne agents eg examples: iodopropyl butylcarbamate
  • antioxidants eg examples: iodopropyl butylcarbamate
  • binders biological additives, buffering agents, blowing agents, chelating agents, additives, biocides, denaturants, external analgesics, film-forming materials, polymers , opacifying agents, pH adjusters, reducing agents, depigmenting or brightening agents (eg hydroquinone, kojic acid, ascorbic acid, magnesium ascorbyl phosphate, ascorbyl glucosamine), conditioning agents (eg humectants) skin-soothing agents and / or healing agents (eg panthenol and its derivatives (eg ethyl pan
  • each example has a general scope.
  • a solution containing a protein and a reducing sugar is carried out in an extemporaneous manner as follows: a solution of bovine serum albumin (BSA) at a concentration of between 1.5 .mu.M and 1.5M, preferably between 15 .mu.M and 500 .mu.m, is incubated with a reducing sugar solution such as glucose, fructose, etc., preferably with glucose at a concentration between 0.1M and 10M and preferably between 0.5M and 5M.
  • BSA bovine serum albumin
  • the bovine serum albumin solution may be substituted with human collagen.
  • the incubation is maintained between 1 and 5 weeks and preferably 3 weeks.
  • the temperature of the incubation is maintained between 20 and 70 ° C., preferably at 50 ° C.
  • the solution containing the AGEs prepared in 1 is incubated in the presence or absence (negative control) of a test compound for its AGES deglycation activity, at a temperature of between 40 and 60 ° C., preferably at approximately 50 ° C. for 1 to 5 weeks, preferably for 3 weeks.
  • the compounds are tested at a concentration of between 0.001 and 10%, preferably between 0.01 and 5%, and more particularly at 1% by weight of the total composition.
  • the positive control used is aminoguanidine at a concentration of between 15 ⁇ M and 15 ⁇ m, preferably at a concentration of between 1.5 and 15 ⁇ m.
  • the measurement of the AGEs inhibition is performed by measuring the fluorescence (excitation wavelength between 350 and 375 nm preferably at 355 nm, emission wavelength between 420 and 450 nm, preferably at 430nm).
  • the reversal of the Maillard reaction is calculated by comparing the fluorescence of AGEs named 100% (maximum fluorescence) with the fluorescence of AGES + active tested.
  • Example 1 The preparation of a protein / sugar reducing solution is carried out according to the method described in Example 1 (paragraph 1).
  • the molecules are tested at a concentration of between IOL "7 and 1.10" lo / o, and preferably between 1.10 "and 5 IOL” 1%, and especially 1.10 "lo / o, for example in water or DMSO as described in Example 1 (paragraph 2).
  • % Deglycation Fluorescence obtained with the active principle versus the fluorescence obtained with the positive control (aminoguanidine 15mM), in
  • Example 1 The preparation of a protein / sugar reducing solution is carried out according to the method described in Example 1 (paragraph 1).
  • the compounds of Table 2 are extracts obtained by maceration in water. The compounds are tested at a concentration of between 0.01 and 5%, and more particularly at 1% by weight of the total composition.
  • % Degeneration Fluorescence obtained with the active principle versus the fluorescence obtained with the positive control (aminoguanidine 15mM), in%.
  • the extraction of human collagen is performed from a human biopsy after plastic surgery.
  • the collagen obtained in the form of a solution is incubated with a reducing sugar solution such as glucose, fructose, ribose, and preferably with ribose.
  • a reducing sugar solution such as glucose, fructose, ribose, and preferably with ribose.
  • the incubation concentrations are the same as described in the previous examples.
  • Example 10 Use of the Products of the Invention in a Tablet, Ointment or Injection Formulation
  • the active ingredient is obtained, for example, according to the extraction method described in the examples, followed by a drying step.
  • IQb formulation preparation of an ointment
  • the active ingredient is obtained, for example, according to the extraction method described in the examples, followed by a drying step.
  • the active ingredient is obtained, for example, according to the extraction method described in the examples, followed by a drying step.
  • Phase A and Phase B are packaged in separate ampoules and mixed before use.

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EP08786013A 2007-07-09 2008-07-09 Age-deglykierung Withdrawn EP2170358A2 (de)

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FR0756350A FR2918570B1 (fr) 2007-07-09 2007-07-09 DIGLYCATION DES AGEs.
PCT/EP2008/058955 WO2009007412A2 (fr) 2007-07-09 2008-07-09 Deglycation des ages

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JP2010533143A (ja) 2010-10-21
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US20100203175A1 (en) 2010-08-12
FR2918570A1 (fr) 2009-01-16
BRPI0813925A2 (pt) 2014-12-30
WO2009007412A3 (fr) 2009-04-02
FR2918570B1 (fr) 2012-10-05
FR2975495B1 (fr) 2017-06-09
WO2009007412A2 (fr) 2009-01-15
CN101765432A (zh) 2010-06-30
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FR2975495A1 (fr) 2012-11-23

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