EP2416860A1 - Obtention et utilisation de principes actifs des calcaires - Google Patents
Obtention et utilisation de principes actifs des calcairesInfo
- Publication number
- EP2416860A1 EP2416860A1 EP10717188A EP10717188A EP2416860A1 EP 2416860 A1 EP2416860 A1 EP 2416860A1 EP 10717188 A EP10717188 A EP 10717188A EP 10717188 A EP10717188 A EP 10717188A EP 2416860 A1 EP2416860 A1 EP 2416860A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- organic
- acid
- molecules
- france
- rock
- 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- Withdrawn
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0288—Applications, solvents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/02—Medicinal preparations containing materials or reaction products thereof with undetermined constitution from inanimate materials
-
- 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
- A61K8/965—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution of inanimate origin
-
- 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
- A61P19/00—Drugs for skeletal disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
- A61P19/10—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease for osteoporosis
-
- 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 present invention relates to a process for extracting organic and / or organomineral molecules from a calcareous material, as well as extracts obtained by this method.
- the extracted products are organic and / or organomineral molecules.
- references in parentheses refer to the list of references presented at the end of the text.
- Methods for extracting organic molecules from different sources are known in the state of the art. These are, for example, processes for extracting organic molecules from plant extracts, for example extracts of Arachis hypogaea (Fabaceae) and Phaseolus vulgaris (Fabaceae).
- the molecules extracted with these processes can be used in various fields, for example in the pharmaceutical, cosmetics, food processing, etc.
- Examples of organic molecules extracted in the state of the art are, for example sterols, terpenes , terpene esters, etc. These molecules are, for example, used as food additives or in cosmetic products for particular to fill gaps and / or to treat pathologies of the skin or other.
- the decrease in estrogen levels leads to a loss of weight and bone density.
- the decrease in bone density may also be due to pharmacological treatments, for example anti-inflammatory treatments based on corticosteroids which can lead to osteopenia that can go as far as osteoporosis.
- the pathology associated with loss of bone mass and density is osteoporosis which causes excessive fragility of the skeleton. Osteoporosis may also be due to the acquisition of insufficient bone capital at the end of growth, or bone loss during adult life due for example to genetic, nutritional and environmental factors.
- One of the means known in the state of the art for preventing or treating the decrease in mass and bone density is generally the administration of diets enriched with calcium.
- Various forms of calcium are used, for example, CaCO 3 (see J. L Greger et al., "Ore use by rats fed various commercially available calcium supplements or milk.” J Nutr; 117: 717-24 1987 (Ref 1), T.
- osteoporosis Another means known in the state of the art for treating osteopenia (osteoporosis) is the administration of anti-osteoporosis.
- these include compounds that stimulate bone formation and calcium fixation: vitamin D, parathyroid hormone (very low dose), estrogen and strontium; of compounds that slow bone resorption: bisphosphonates and calcitonin.
- An easily bioavailable calcium intake is always needed during these treatments. It has been shown in rats that high dose parathyroid hormone is carcinogenic.
- vitamin D has effects on immunity that can be deleterious for men.
- JDE dermo-epidermal junction
- ETD Epidermal Terminal Differentiation
- the calcium gradient increases from the germinal layer where keratinocytes are formed to the outer layers of the epidermis. Calcium binds to phospholipids, which are necessary for the keratinization process.
- said molecules can be used, for example, for treatment and / or prevention of mass reduction. and bone density, for stimulation of activity and / or skin restructuring, complementation of the diet with consequent maintenance of calcium homeostasis.
- the present invention specifically aims to meet these needs and disadvantages of the prior art by providing a method for extracting organic and / or organomineral molecules.
- the process of the invention is a process for extracting organic and / or organomineral molecules from a calcareous material, comprising the following step: contacting the calcareous material with a solution, said solution comprising at least one organic solvent, water and at least one acid.
- the inventors are the first to have discovered that limestone materials containing many organic and / or organomineral molecules accumulated during the formation of said materials had pharmaceutical and / or cosmetic properties. They have therefore developed a process for extracting these molecules in order to extract and use them.
- the inventors have shown that the extracted molecules were able to stimulate the mechanisms of formation and bone mineralization and / or to stimulate the activity of epidermal and / or dermal cells.
- calcareous material is any material comprising limestone. It may be for example a limestone rock.
- the limestone material may be, for example a limestone of France selected from the group comprising a rock Orgon, France, Pierre d'Euville, France, Saint Germain, France, and from Pagny sur Meuse, France.
- the calcareous material may be, for example a limestone selected from the group comprising the rock of Orgon, F-13660, Pierre d'Euville, F-5520, Saint Germain, F- 55140 or Pagny sur Meuse, F-55190 or Héming, F-57830.
- the calcareous material can come from, for example quarries: de Fontvieille, F-13 990; from Salon de terme, F-13300; d'Orgon, F-13660; Cassis, F-13260; Maine de Boixe, F-16230; from Biarge to Saint Fraigne, F-16140; from Gratte-Chat to Saint Sornin, F-17600; of Subdray, F-18570; from Sainte-Croix-De-Mareuil, F-24340; from Pont-du-Gard to Remoulin F-30210; from Verfeuil, F-30630; Conques at Brouzet-les-Ales, F-30055; from Val d'Epis, F-39160; Raymond Rabier, The Tieule F-48500; Senonville, Valbois F-55300; from Pagny-sur-Meuse, F-55190; Euville, F-55200; from Saint Germain-sur-M
- the preferred limestone rock has a measurable total organic carbon (TOC) content, but it can just as easily be very low or even undetectable.
- the TOC content may be between 0.01 and 1.5%, for example between 0.02 and 0.8%, for example between 0.03 and 0.3%.
- the measurement of the total organic carbon (TOC) content may be carried out by any method known to those skilled in the art. This may include, for example, the Leco (Registered Trade Mark) analysis of organic carbon in decarbonated rocks (eg Leco (Registered Trade Mark) SC-444) or an elemental analysis of concentrated organic matter using a Kerogenatron (Vinci Technologies, France) or a pyrolytic method known as Rock Eval pyrolysis which has been used here, diverted from its usual use of mineral oils or contaminations (Rock-Eval 6 turbo from Vinci Technologies, France see E. Lafargue, F. Marquis, D.
- Leco Registered Trade Mark
- the calcareous material may for example have an average particle size of between 0.5 and 1000 ⁇ m, preferably between 0.5 and 500 ⁇ m, more preferably less than 200 ⁇ m.
- organic and / or organomineral molecules is understood to mean, for example, proteins, peptides, lipids or saccharides or mixtures and / or, for example, molecules rich in heteroelements, for example a protein. calcium binding protein of salts, ions, minerals, colloidal particles and / or combinations of these compounds.
- the organic and / or organomineral molecules may be in the complex form of the natural mixture or may be separated and purified. It may be, for example, old molecules whose age corresponds to the age of the calcareous material or for example molecules related to diagenesis or formed over time, or in recent limestones.
- extract or "rock extracts” or “calcareous rock extract” to refer equally to the organic and / or organomineral molecules as defined above.
- they may be proteins, peptides, lipids, saccharides and / or mixtures and / or for example salts, ions, minerals, colloidal particles and / or combinations of these compounds.
- organic solvent is understood to mean, for example, a solvent or a mixture of solvents chosen from the group comprising C1 to C6 alcohols, ethers and hydrocarbons.
- it may be a solvent chosen from the group comprising ethanol, diethyl ether, dichloromethane, dimethylformamide (DMF) 1 dimethylsulfoxide (DMSO), acetonitrile, or a mixture of these solvents .
- DMF dimethylformamide
- DMSO dimethylsulfoxide
- acetonitrile or a mixture of these solvents .
- It may also be, for example, without prejudging their nature, any fluids in the supercritical or subcritical state, having characteristics equivalent to "organic solvents", for example supercritical CO 2 or even subcritical water .
- solvent mixture is understood to mean, for example, a mixture of at least two organic solvents, at least three organic solvents, at least four or more organic solvents.
- the solvent mixture can be, for example, a mixture of C 1 to C 6 alcohols, a mixture of ethers, a mixture of hydrocarbons and / or a mixture of solvents chosen from the group comprising C 1 to C 6 alcohols, a mixture of ethers and a mixture of organic hydrocarbons or a mixture of these solvents.
- any concentration of suitable solvents may be used.
- the volume concentration of the organic solvent relative to the aqueous phase is advantageously between 1 and 99%.
- the term "acid” is understood to mean, for example, a mineral acid and / or an organic acid.
- the acid may be selected from the group consisting of hydrochloric acid, sulfuric acid, acetic acid, citric acid, ethylene diamine tetraacetic acid.
- the pH of the solution of the process of the invention may be less than 7, preferably between 0 and 7, even more preferably between 0 and 5, more preferably preferred between 1 and 4, more preferably between 1 and 3.
- the contacting of the calcareous material with the solution may be carried out, for example, by dipping, spraying, wetting, partial or total immersion of the calcareous material with said solution.
- the contacting of the calcareous material with the solution is carried out by total immersion of the material.
- the contacting of the calcareous material with the solution comprising: at least one organic solvent, water and at least one acid, can be carried out, for example, at a temperature between and 90 ° C, preferably between 8 and 75 ° C, even more preferably between 8 and 30 ° C.
- This temperature can also be chosen throughout the range required subcritical or supercritical states, if necessary.
- the temperature is generally chosen so as not to irreversibly denature the extracted molecules.
- the contacting of the calcareous material with the solution comprising: at least one organic solvent, water and at least one acid may be carried out, for example, for a time of between about 1 minute and 72 hours, preferably between about 1 minute and 48 hours, even more preferably between 1 minute and 12 hours.
- the method may advantageously comprise a grinding step before contacting the calcareous material with the solution.
- grinding means splitting the rock via, for example, industrial mechanical means or via any type of grinding where the temperature is sufficiently low so as not to denature irreversibly. the molecules extracted.
- the grinding step can be carried out for example by following the techniques known to those skilled in the art to obtain a calcareous material with a mean particle size described above. It may be for example a grinding performed by a technique chosen from the group comprising ball milling, roller grinding, grinding. mortar / pellet, hammer milling, hammer milling, oscillating disc milling, vibro-milling, milling with two toothed rolls and / or milling with two smooth rolls.
- the calcareous material has a particle size less than 200 microns. Indeed, this particle size can make it possible to optimize the extraction yield of the process of the invention.
- the method may further comprise a step of recovering organic and / or organomineral molecules.
- a filtration step This step separates the calcareous material from the solution in which the organic or organomineral molecules are extracted. It may be carried out, for example by means of a filter, for example having pores of a diameter chosen in relation to the selected particle size, for example between 0.2 and 500 ⁇ m, of a filtration which may be, for example under vacuum, or even ultrafiltration, or high performance chromatography, or any other technique chosen not to alter the extracts.
- the recovery step of the organic and / or organomineral molecules may correspond to a concentration of the molecules by elimination of all or part of the liquid.
- This step may comprise, for example a precipitation by a counter-solvent, a low-pressure evaporation, a sublimation after freezing (lyophilization) without this list being limiting.
- the counter solvent may for example be a solvent as described above.
- evaporation or sublimation at low pressure can be carried out for example at a pressure in the range of 0.1 to 5000 Pa (50 to 0.001 hPa), preferably between 0.1 and 4000. Pa, more preferably between 0.1 and 25 Pa, even more preferably between 0.1 and 20 Pa.
- the subject of the present invention is also the organic and / or organomineral molecules obtainable by the process of the invention.
- the present invention also relates to the use of organic and / or organomineral molecules that can be obtained by the process of the invention for the manufacture of a cosmetic composition.
- the present invention also relates to a method of manufacturing a cosmetic composition comprising the implementation of the organic and / or organomineral molecules extraction method of the present invention and the mixture of organic and / or organomineral molecules. obtained in a cosmetically acceptable carrier.
- the present invention also relates to a cosmetic composition comprising at least one organic and / or organomineral molecule obtained by the process of the invention and a cosmetically acceptable carrier.
- cosmetic composition is meant any cosmetic composition that is to say a composition that can be brought into contact with the superficial parts of the human body, for example the epidermis, hair and capillary systems, external organs, teeth and mucous membranes. It may be for example a liquid composition, an emulsion, an ointment, a mousse, a paste or a gel.
- a cosmetically acceptable support is understood to mean any compound known to those skilled in the art for manufacturing a cosmetic composition.
- the cosmetic composition according to the invention may further comprise one or more cosmetic adjuvants chosen from ester-type conditioning agents, anti-foam agents, moisturizing agents, emollient agents, plasticizers, mineral thickeners, organic thickeners, polymeric or non-associative or non-associative, water-soluble and fat-soluble sunscreens, silicone or non-silicone filters, permanent or temporary dyes, perfumes, preservatives, ceramides, and pseudo-ceramides, vitamins and provitamines , proteins, agents sequestering agents, solubilizing agents, alkanizing agents, anti-corrosion agents, reducing or antioxidizing agents, oxidizing agents, mineral fillers.
- the cosmetic composition may be, for example, an anti-aging composition, for example a cosmetic composition stimulating the densification of the papillary dermis and stimulating the synthesis of the proteins of the dermal-epidermal junction.
- the present invention also relates to a process for the manufacture of a pharmaceutical composition comprising the implementation of the method for extracting organic and / or organomineral molecules of the present invention and the mixing of organic and / or organomineral molecules. obtained in a pharmaceutically acceptable carrier.
- pharmaceutically acceptable may be for example a medicament for increasing the regeneration of bone, cartilage or skin tissue and / or a medicament for the treatment of osteoarthritis, polyarthritis, osteoporosis, degenerative aging.
- the present invention also relates to the use of organic and / or organomineral molecules that can be obtained by the process of the invention for the manufacture of a pharmaceutical composition and / or a drug.
- the present invention also relates to a pharmaceutical composition
- a pharmaceutical composition comprising at least one organic and / or organomineral molecule obtained by the method of the invention and a pharmaceutically acceptable carrier.
- pharmaceutical composition is meant a liquid composition, an emulsion, an ointment, a mousse, a paste, a scored tablet, a capsule, an effervescent tablet, a dermal patch or an injectable device, without the form is limiting.
- pharmaceutically acceptable carrier is meant an inert diluent agent, such as sorbitol, sugar, mannitol, microcrystalline cellulose, starch, sodium, sodium phosphate, calcium carbonate, calcium phosphate, calcium sulfate, lactose, for example lactose monohydrate.
- the drug can be used, for example, in the treatment or prevention of diseases related to a decrease in density and bone mass.
- the drug can be used, for example, in the treatment or prevention of diseases selected from the group comprising osteopenia including genetic, osteoporosis, degenerative aging, rheumatological infections of which osteoarthritis, polyarthritis, and all diseases that affect the skeleton.
- the drug may also be used, for example, in the treatment of cutaneous diseases, for example diseases due to genetic, psychosomatic, pathological, due to intrinsic and extrinsic aging or to environmental stress or aggression. It may be for example a disease related to solar radiation Ultraviolet (UV), Infra-Red (IR), excessive humid atmosphere, air conditioning and / or dust.
- UV Ultraviolet
- IR Infra-Red
- the present invention also relates to the use of organic and / or organomineral molecules that can be obtained by the process of the invention for the manufacture of a medicament for increasing the regeneration of bone and cartilaginous tissues. or cutaneous.
- the increase of regeneration of bone, cartilage or skin tissue can be performed in vivo and / or in vitro or for the culture of tissues, cells or cell assemblies.
- the drug can be administered for example, topically, peroesophageal, subcutaneous or intravenous or any other appropriate mode of administration.
- the drug may be formulated in any manner known to those skilled in the art depending on the administration.
- the present invention also relates to the use of organic and / or organomineral molecules that can be obtained by the method of the invention, for the treatment of diseases selected from the group comprising osteopenia, osteoporosis , degenerative aging, rheumatological infections including osteoarthritis, polyarthritis, orthopedic diseases and dermatological diseases.
- the present invention also relates to the use of organic and / or organomineral molecules that can be obtained by the method of the invention for application with an implant or on an implant for, for example, increasing regeneration.
- tissue for example bone, cartilage or cutaneous, in all types of bone and other tissues. For example at the level of the spine, limbs (compact bone, cancellous bone), flat bones of the face and cranium, chest skeleton or others.
- the present invention also relates to the use of organic and / or organomineral molecules that can be obtained by the process of the invention for the manufacture of bone grafts by stimulation of osteoblasts or fibroblasts (osteoinduction).
- organic and / or organomineral molecules that can be obtained by the process of the invention for the manufacture of bone grafts by stimulation of osteoblasts or fibroblasts (osteoinduction).
- Figure 1 shows cell culture wells.
- the cells are cultured in the presence or in the absence of calcareous stone extract (T) obtained by a process of the prior art (IM, NAC, AGH) or one of the embodiments of the process of the invention (AGA, AGB).
- T calcareous stone extract
- FIG. 2A represents a section of untreated control explant maintained in a survival condition.
- FIG. 3A represents a histological section of an explant of human skin maintained in survival for 9 days, untreated and constitutes a cutting control of FIG. 3B.
- FIG. 3B represents a histological section of the same explant of human skin maintained in survival under the same conditions as FIG. 3A, treated for 9 days with Orgon organo-mineral extract obtained by the process described in FIG. Example 1, showing stimulation of neutral and acidic GAGs (hyaluronic acid).
- FIG. 4A represents a control histological section of a skin explant maintained in survival for 9 days, untreated, to constitute a histological sectional control of FIG. 4B.
- FIG. 4B represents a histological section of the same explant of human skin maintained in survival under the same conditions as for FIG. 4A treated for 9 days with Orgon organo-mineral extract and shows the stimulation of
- the embodiment temperature of this example was 23 ° C.
- the mixing was carried out with a Heidolph brand rotator eluent at a rotation speed of 10 revolutions per minute.
- the extracted molecules were analyzed by plasma emission spectrometry (ICP-OES, Ultima Jobin Yvon), by analytical high performance liquid chromatography (HPLC) (Thermo, BioBasic SEC-300 column and UV 2000 detector), PyroGC / MS (THERMOfinnigan) and by SDS-PAGE electrophoresis (Mini ProteanTetra CeII, Biorad). Table 1 below summarizes the characteristics of the extracts obtained.
- the extraction yield obtained with an example of implementation of the process of the invention was constant at approximately an average of 1.3% of extract.
- the amounts of extract with this process were of the order of one milligram.
- the mass extraction efficiency with the method of the prior art is of the order of 0.0056%.
- the method of the invention allows a yield of 1.3%, ie at least several hundred times higher (about 232) to the method of the prior art.
- the compounds of this example are identical to those of Example 1. In this example, the proportion of acid was increased relative to Example 1 and different extraction times were tested.
- the pH of the solution was lower than that of the solution of Example 1.
- Table 3 summarizes the conditions and the amount of organic and / or organomineral molecules obtained.
- the quantities extracted are 600 to 800 times greater than the quantities extracted with the method of the state of the art presented in Example 2.
- the rock / solvent ratio in the process does not change the yield to a constant amount of acid.
- Example 5 Exemplary embodiment of the extraction method as a function of pH
- the compounds and the production conditions are identical to those of the preceding examples.
- 50g of Orgon rock was mixed with a solution comprising 250ml of absolute ethanol, the aqueous fraction was minimized by putting only the mineral acid, first 1ml then 2ml with a pH of about 0.
- Different times have been tested.
- the yield increases with the amount of acid only:
- the extraction exists regardless of the particle size. More particularly, the yield increases when the particle size decreases and remains constant when the particle size is less than 200 .mu.m.
- the rock extracts were obtained from the limestone of the Orgon deposit, following the three extraction conditions described in Table 8. The extraction was carried out for 15 hours. following the protocol described above. The solvent was then evaporated and the pellet lyophilized.
- Table 8 conditions for obtaining the extracts and yield of the processes used.
- the extract obtained according to the process of the invention corresponds to the AGA condition.
- the condition AGB is obtained according to the method but without being optimized.
- the condition AGH corresponds to the extract obtained according to the protocol of the aforementioned European patent.
- mice MC3T3-E1 cells After lyophilizing the 3 extracts, their activity was tested using in vitro cell cultures of mouse MC3T3-E1 cells (ATCC, USA). It is an osteoblastic line of pre-differentiated cells, committed to the osteoblastic pathway, capable of mineralizing after reaching a maturation stage.
- the MC3T3 cells were cultured for 25 days at 37 ° C.
- ⁇ -MEM medium minimum essential alpha medium
- ⁇ -MEM medium alpha-modification, Sigma M4526
- penicillin 50 ⁇ g / ml streptomycin
- 10% fetal calf serum HyClone-Perbio
- 2 mM L-glutamine GibcoBRL
- the AGA, AGB and AGH extracts were added to this culture medium, namely 200 ⁇ g of dry extract per ml of nutrient medium.
- FIG. 1 showed a very clear stimulation of the development of the cells when the nutritive medium comprises extracts of calcareous rocks according to AGA and AGB conditions.
- the extracts obtained with AGA and AGB conditions of rocks stimulate mineralization from 21 days as for fresh mother-of-pearl extracts (NAC).
- the reference nutrient medium reached the same stage after 26 to 29 days.
- the AGH extract of rock obtained with the protocol of the state of the art did not stimulate the mineralization.
- the nacre extract (NAC) obtained according to the method of the prior art allows stimulation of the mineralization as expected and confirms the reactivity of the cells.
- preosteoblastic cells when exposed to the extracts obtained by the process of the invention, they trigger the mechanism of bone mineralization from the 3rd week, while specific inducers do not produce the same effect at the end of the 4th week of culture.
- the extracts of the calcareous material obtained according to the method of the invention therefore allow the stimulation of the mineralization in contrast to the extract of calcareous material obtained by the method of the patent EP 0869805 of the prior art.
- the extracts of the rock according to the method of the invention therefore have an activity on the biological tissues.
- the TO control group corresponded to the 3 explants that were taken at OJ (day zero).
- the T group, untreated corresponded to the group of 6 explants that were maintained in survival conditions using the BEM culture medium.
- CMC gel carboxymethylcellulose
- the product group P1 corresponded to the group of 6 explants maintained in survival condition and on which were applied the CMC gel containing the mixture of rock extract according to the invention concentrated to 2%.
- the treatment was performed by topical application of 2 mg of product to be tested by explant. This treatment was performed every day.
- the culture media were renewed for half on D2, D5 and D7, ie 2 days after, 5 days after and 7 days after the start of the experiment.
- Parakeratosis is mild.
- the epidermis has 6 to 7 cell layers with a good morphology.
- the control sections (FIG. 2A) as the starting group only have 4 to 5.
- the relief of the dermal-epidermal junction is very clear.
- the papillary dermis has fairly thick collagen fibers forming a dense network. It is well cellularized. After 9 days of treatment, it was noted a sharp increase in the thickness of the stratum corneum (sign of significant cell turnover and a good enough terminal differentiation) with an increase in epidermal thickness (Figure 2 B).
- the collagen network in the papillary dermis was also denser.
- Example 9 Example of calcareous rock characteristics
- the calcareous rocks that can be used in the process of the invention can be chosen, for example on the basis of their content of total organic carbon (TOC), even if the technique is only indicative and generally not very sensitive and that only the extraction according to the patent counts.
- a pyrolytic method known as Rock Eval pyrolysis was used in this example, diverted from its usual use as mineral oils or contaminations.
- the table below shows that it is possible to detect a peak related to cracking in a neutral atmosphere of organic constituents, thanks to the FID (Flame Ionisation) detector (Ref 8) (mg of hydrocarbons formed by cracking as a function of the temperature and by the temperature of its maximum). This very low peak, on limestone rocks selected in a number of producers, does not appear on precipitated calcium carbonate (PCC) sold by VWR International.
- FID Flume Ionisation
- a cosmetic dermal redensification cream is prepared from the extracts obtained in Example 1. It is a stable oil-in-water emulsion in which the oily phase is dispersed in an aqueous phase with an emulsifier.
- fatty acid ester base glucose palmitate and sucrose palmito-sterate (5%).
- the oily phase is carried out with sunflower oil (13%) and jojoba oil (5%).
- the aqueous phase contains bacteriostatic substances. A concentration of 2% active was used and added to the aqueous phase.
- the preparation obtained is tested by topical application to skin explants under the conditions described in Example 8.
- the explant sections at 9 days show with the excipient only an epidermal structure in good survival state comparable to the morphology of explants control at the beginning of the experiment (JO).
- the application of the cosmetic cream induces a clear increase in epidermal thickness (7/8 cell layers) and in the papillary dermis, a denser collagen network.
- the structure of the dermal-epidermal junction is significantly reshaped with a pronounced anchorage in the dermis.
- a "pharmaceutical composition for renewal and restructuring of the cutaneous hydro lipidic barrier has been prepared for topical application to the skin, intended to achieve a natural peel without any physical abrasion and thus without weakening the protection. epidermal.
- the excipient used is a conventional base described in the table below.
- the pharmaceutical composition obtained is tested by topical application to skin explants under the conditions described in Example 8. After 9 days a check was made to verify that the explants treated with the excipient alone retain a structure. epidermis in good survival comparable to the morphology of explants control at the beginning of the experiment (JO).
- the explant sections treated with the pharmaceutical composition show, after 9 days, an important cell renewal and good terminal differentiation, with a moderate increase in epidermal thickness (6/7 cell bases). In 9 days a peel is observed followed by a renewal of the cutaneous hydrolipidic barrier.
- the protocol described in document FR 2 919 186 was applied to a sample of Orgon rock and a sample of Falun from Touraine as described in document FR 2 919 186.
- the devices and products used in this example are identical to those used in document FR 2 919 186.
- the two materials were ground so as to obtain an average particle size of less than 1 ⁇ m.
- Each of the powders was introduced into deionized water containing a mixture of preservatives: potassium sorbate at 0.3% by weight, sodium benzoate at 0.4% by weight, sodium dehydroacetate at 0.1% by weight and benzyl alcohol at 0.6% by weight, in a stirred vessel and maintained at room temperature, ie at 22 ° C in a proportion of 20% by weight, as indicated in the document.
- Stirring was maintained for 48 hours at a temperature of 22 ° C as described in FR 2 919 186.
- the mixture was then filtered to separate the residual mineral suspension from the liquid.
- a tummy tuck of a woman aged 53 was used. Several lots of explants were obtained. In this example, all the extracts were applied, according to the protocol described in Example 8 above: topical application, daily, of 2 mg of CMC gel containing the rock extract according to the invention, concentrated to 1%.
- Example 2 The Orgon rock extract as obtained in Example 1, was used to test a lot of explants referenced CA2.
- a Saint Germain rock extract as obtained according to the same process was used to test a lot of explants referenced CB6.
- histological sections were made by fixing the explants for 24 hours in buffered formalin, dehydration and paraffin impregnation using a dehydration automaton (Leica). 1020) and set-up (coating station (Leica EG 1160)).
- the 5 ⁇ m sections were then made with a microtome (Minot, Leica RM2125) and glued on histological silanized glass slides superfrost (registered trademark). Staining and immunochemical markings were performed on sections under the following conditions. :
- glycosaminoglycans are performed by staining with alcian blue-P.A.S. on the previously described sections (also known to those skilled in the art by Mowry staining).
- Collagen I was marked on frozen sections with anti-collagen I polyclonal antibody, custom rabbit (Monosan, ref: PS 047), at 1/500 for 1 hour at room temperature with an amplifier system biotin / streptavidin, revealed in FITC. The nuclei were stained with propidium iodide. Collagen III was labeled on frozen sections with a polyclonal anti-collagen III antibody, made on goat (SBA ref: 1330-01), at 1/320 th for 2 h at room temperature with a biotin / streptavidin amplifier system. revealed in ATM. The nuclei were stained against Masson's hemlock.
- Laminin-5 was labeled on frozen sections with an anti-laminin-5 monoclonal antibody, clone P3E4 (SBA ref: 1340-01), made on a goat, at 1/320 th for 1h30 at room temperature with an amplifying system biotin / streptavidin, revealed in FITC. The nuclei were stained with propidium iodide.
- GAGsA acid GAGs
- FIG. B The results are evaluated by comparison with controls made on lots of explants treated with the excipient only.
- CA2 batch treated for 10 days with Orgon organo-mineral active obtained in Example 1 unexpectedly showed a net overexpression of acid GAGs (GAGsA) of the papillary dermis as shown in FIG. B.
- GAGs are known to be essentially hyaluronic acids, hydration factor highly sought after in dermopharmaceutical and cosmetic.
- GAGsN neutral GAGs
- CoII I collagen type I
- CoII III conjugated collagen
- the batch CB6 treated for 10 days with the organo-mineral extract obtained from the calcareous material of the quarry of Saint Germain has compared to the control group, net overexpression of collagen IV (CoII IV) (collagen of supporting tissues), laminin 5 (Lam 5) and collagen type III or juvenile collagen (see Table 11).
- collagen IV Collagen of supporting tissues
- laminin 5 laminin 5
- collagen type III or juvenile collagen see Table 11
- the extracts obtained by the method of the present invention therefore have an effect, for example at the level of the proteins involved in the dermis and the dermo-epidermal junction by stimulating their activities.
- extracts obtained by the process of the invention can be used, for example, in the cosmetic field, for example for an anti-aging effect by restructuring the relief of the dermal-epidermal junction. and stimulation of its activity.
- EXAMPLE 12 Dermatological Activities of the Extracts Obtained by the Process with Different Calcareous Materials
- Staining and labeling are obtained as described in Example 11 above on GAGs, collagens of types I, III and IV, on laminin-5.
- Other activities are evaluated as follows.
- the cells in mitosis were labeled with a monoclonal antibody, anti-Ki67 (clone 7B11 from Zymed, IgGI on mouse) with a biotin / streptavidin enhancer system (Vectastain RTU Universal Vector) and a revelation in VIP.
- the G6PDH was labeled on paraffin sections fixed to Bouin with anti-bodies anti-G6PDH polyclonal (Rockland ref: 200-1153), fits on mice at 1/150 for 24 hours at room temperature (20 0 C ) with a biotin / streptavidin enhancer system revealed in fluorescein isothiocyanate (FITC). The nuclei were stained against Masson's hemlock.
- Loricrin was marked on frozen sections with anti-bodies anti-loricrin polyclonal (Covance ref-PRB 145) fits on rabbit 1/4000 th for 1 night at 4 ° C with an amplifier system biotin / streptavidin and revealed in FITC.
- the nuclei were stained with propidium iodide.
- LEKTI are inhibitors of serine proteases (lympho epithelial kazal type inhibitor). They were labeled with an anti-body monoclonal anti-mouse LEKTI (Santa Cruz, sc-32330 ref), at 1/800 th for 1 night at 4 ° C with an amplifier system Vectastain Universal RTU VECTOR avidin / biotin and revealed in FITC.
- the nuclei were stained with propidium iodide.
- the batch DB6 was treated for 10 days with the organo-mineral active extract of the Euville stone obtained according to Example 1. It was observed with interest, a stimulation of cell proliferation in the epidermis by overexpression of Ki67 labeling of cells in mitosis and stimulation of LEKTI in the granular layer (see Table 12).
- the batch DB2 was treated for 10 days with the extract obtained from the mother of pearl Pinctada margaritifera according to Example 1. It was observed an overexpression of collagen type I (see Table 12).
- Table 12 Results Obtained with the Extracts Obtained by the Process of the Invention Compared with Controls
- Example 13 Activity on the skin of extracts optimized by fractionation Various fractionated extracts were tested on human skin explants ex-vivo, under the same conditions as Example 11 and 12 above.
- the Orgon rock extract was obtained by using the method in the following proportions: 50 g of ground Orgon limestone are brought into contact with a solution of 500 ml of MiIIi-Q water. 10 ml of dichloromethane and 2 ml of hydrochloric acid. The crude extract is used as is to treat for 9 days the explants of the batch referenced FA1. Treatment of the explants with the extract is carried out under the same conditions as that described in Examples 11 and 12 above.
- the same extract was demineralized and used for 10 days to test a batch of explants referenced FB3.
- Demineralization of the extract was performed by reconstituting a solution from the lyophilized powder with MiIIi-Q water, using dialysis bags (Spectrum, Spectra / Por with 0.5 kDa cut).
- the extract dissolved in solution is dialyzed against a buffer of water MiIIi-Q ( ⁇ 1 ⁇ S / cm) renewed and maintained at room temperature with stirring until the conductivity is less than 1 ⁇ S / cm (2 micro siemens per centimeter correspond to about 1 milligram of dissolved salt per liter).
- the batch FA1 treated for 10 days with the Orgon organo-mineral extract obtained in this example showed compared to the control group, moderate overexpression of neutral GAGs and type IV collagen. This is interpreted as a stimulation of the activity of the dermo-epidermal junction insofar as the neutral GAGs are known for constitute the reservoir of growth factors at the level of the dermal-epidermal junction (see Table 13 below). These effects are sought after in cosmetics.
- the batch FB3 was treated with the organic fraction of the concentrated active ingredient during dialysis by elimination of soluble trace elements.
- batch FB3 it was shown overexpression of neutral GAGs, laminin 5 and collagens type IV, III and more clearly type I collagen.
- the concentrated organic fraction, tested on lot FB3 explains well the stimulation of the dermo-epidermal junction discovered with the crude extract obtained in this example by the method of the invention. It has also been found that overexpression of collagen I 1 is an important component of the extracellular matrix of the papillary dermis (see Table 13 below).
- the batch FB5 was treated with the extract obtained in this example but from a calcareous material, PCC (precipitated calcium carbonate) supplied by the company VWR International SA. Surprisingly, after 10 days of treatment, the neutral GAGs, collagen IV and laminin 5 were all stimulated, all constituting the dermal-epidermal junction (see Table 13 below).
- PCC precipitated calcium carbonate
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Abstract
Description
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0901804A FR2944214B1 (fr) | 2009-04-10 | 2009-04-10 | Obtention et utilisation de principe actifs des calcaires |
| PCT/FR2010/000298 WO2010116060A1 (fr) | 2009-04-10 | 2010-04-09 | Obtention et utilisation de principes actifs des calcaires |
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| EP10717188A Withdrawn EP2416860A1 (fr) | 2009-04-10 | 2010-04-09 | Obtention et utilisation de principes actifs des calcaires |
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| US (1) | US20120071414A1 (fr) |
| EP (1) | EP2416860A1 (fr) |
| CA (1) | CA2757156A1 (fr) |
| FR (1) | FR2944214B1 (fr) |
| WO (1) | WO2010116060A1 (fr) |
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| JP2020200248A (ja) * | 2019-06-06 | 2020-12-17 | 国立大学法人岩手大学 | 肌用製品の素材 |
| FR3108116B1 (fr) * | 2020-03-11 | 2022-11-25 | Institut National De Rech Pour L’Agriculture L’Alimentation Et L’Environnement | Procédé pour la fabrication de composés d’intérêt à partir d’au moins un tissu conjonctif minéralisé, et composés d’intérêt issus de ce procédé de fabrication |
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| US5662954A (en) * | 1994-07-05 | 1997-09-02 | Joiner; Margie | Method for preparing mineral-enriched citrate compositions |
| FR2743075B1 (fr) * | 1995-12-28 | 1998-03-27 | Centre Nat Rech Scient | Procede de preparation de substances actives a partir de la nacre, produits obtenus, utiles notamment comme medicaments |
| FR2799125B1 (fr) * | 1999-10-05 | 2002-01-18 | Centre Nat Rech Scient | Procede de preparation d'une composition par extraction de nacre, comprenant l'integralite des composants de la nacre, composition obtenue par ce procede et son utilisation en pharmacie et cosmetique. |
| FR2899478A1 (fr) * | 2006-04-05 | 2007-10-12 | Innovation Et De Rech Applique | Procede d'extraction de molecules de nacre, compositions et utilisation |
| FR2900343B1 (fr) * | 2006-04-26 | 2008-07-04 | Robert Wan Luxury Ltd | Composition inhibitrice de proteases, notamment la papainee, la cathepsine k et la cathepsine b, et procede de purification de molecules inhibitrices de proteases |
| FR2919186B1 (fr) * | 2007-07-23 | 2009-12-04 | Soc D Production Et De Conditi | Composition cosmetique et/ou dermopharmaceutique et/ou alimentaire renfermant un melange d'elements mineraux naturels et leurs utilisations |
-
2009
- 2009-04-10 FR FR0901804A patent/FR2944214B1/fr not_active Expired - Fee Related
-
2010
- 2010-04-09 CA CA2757156A patent/CA2757156A1/fr not_active Abandoned
- 2010-04-09 WO PCT/FR2010/000298 patent/WO2010116060A1/fr not_active Ceased
- 2010-04-09 EP EP10717188A patent/EP2416860A1/fr not_active Withdrawn
- 2010-04-09 US US13/262,909 patent/US20120071414A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010116060A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010116060A1 (fr) | 2010-10-14 |
| FR2944214B1 (fr) | 2012-04-27 |
| US20120071414A1 (en) | 2012-03-22 |
| FR2944214A1 (fr) | 2010-10-15 |
| CA2757156A1 (fr) | 2010-10-14 |
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