WO2012040938A1 - 岩藻黄素在制备与神经退行性疾病相关的神经保护作用以及改善记忆的产品中的应用 - Google Patents

岩藻黄素在制备与神经退行性疾病相关的神经保护作用以及改善记忆的产品中的应用 Download PDF

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WO2012040938A1
WO2012040938A1 PCT/CN2010/077542 CN2010077542W WO2012040938A1 WO 2012040938 A1 WO2012040938 A1 WO 2012040938A1 CN 2010077542 W CN2010077542 W CN 2010077542W WO 2012040938 A1 WO2012040938 A1 WO 2012040938A1
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fucoxanthin
product
disease
amount
extract
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PCT/CN2010/077542
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French (fr)
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李艳梅
李良
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北京绿色金可生物技术股份有限公司
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Priority to PCT/CN2010/077542 priority Critical patent/WO2012040938A1/zh
Priority to US13/877,187 priority patent/US20130189382A1/en
Priority to CN201080069412.0A priority patent/CN103228276B/zh
Priority to JP2013530523A priority patent/JP2013540110A/ja
Publication of WO2012040938A1 publication Critical patent/WO2012040938A1/zh

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/336Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having three-membered rings, e.g. oxirane, fumagillin
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/105Plant extracts, their artificial duplicates or their derivatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19Carboxylic acids, e.g. valproic acid
    • A61K31/20Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids
    • A61K31/201Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids having one or two double bonds, e.g. oleic, linoleic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19Carboxylic acids, e.g. valproic acid
    • A61K31/20Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids
    • A61K31/202Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids having three or more double bonds, e.g. linolenic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/66Phosphorus compounds
    • A61K31/683Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols
    • A61K31/685Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols one of the hydroxy compounds having nitrogen atoms, e.g. phosphatidylserine, lecithin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/02Algae
    • A61K36/03Phaeophycota or phaeophyta (brown algae), e.g. Fucus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2004Excipients; Inactive ingredients
    • A61K9/2022Organic macromolecular compounds
    • A61K9/205Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2059Starch, including chemically or physically modified derivatives; Amylose; Amylopectin; Dextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4841Filling excipients; Inactive ingredients
    • A61K9/4858Organic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4841Filling excipients; Inactive ingredients
    • A61K9/4866Organic macromolecular compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/14Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/14Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • A61P25/16Anti-Parkinson drugs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/28Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D303/00Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02Compounds containing oxirane rings
    • C07D303/12Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
    • C07D303/16Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by esterified hydroxyl radicals
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Definitions

  • the present invention relates to the use of fucoxanthin in improving memory products, and the use of fucoxanthin in products related to neuroprotective effects associated with neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, and Huntington's disease. Background technique
  • Natural carotenoids such as beta-carotene, lycopene, lutein, and fucoxanthin, have been extensively studied for their anticancer properties and excellent free radical scavenging functions. Fucoxanthin
  • fucoxanthin also known as fucoidan, derived from kelp, sargasso, fuliginea, geese, diatoms, spirulina, wakame, giant algae, sika, sea bream, sarcophagus, seaweed and silicon Plants such as algae, , have the following structural formula:
  • the pure fucoxanthin is a reddish-brown crystal, a kind of chlorophyll, a substance that makes brown algae appear brown, and a pigment unique to brown algae.
  • Fucoxanthin has a variety of physiological activities, has a good regulation of blood sugar in diabetic patients, has a killing effect on a variety of cancer (breast cancer, colorectal cancer, prostate cancer, etc.), and also has a strong antioxidant Functionality, therefore with potential development and utilization value.
  • Other studies have shown that fucoxanthin has a weight loss effect.
  • fucoxanthin has an inhibitory effect on rat embryonic neural cell injury induced by cerebral ischemia-reperfusion, and has protective activity against nerve cells caused by ischemia-reperfusion.
  • Cerebral ischemia-reperfusion injury refers to the damage of brain tissue cells after cerebral ischemia returns to blood perfusion for a certain period of time.
  • Ischemic brain injury includes primary injury during ischemia and secondary injury during reperfusion, and its pathological process The initial link is ischemia, which can cause cerebral infarction in severe cases. Inhibition of reperfusion injury has become a key link in the treatment of ischemic stroke.
  • the Japanese patent confirms that fucoxanthin has an inhibitory effect on rat embryonic nerve cell damage induced by cerebral ischemia-reperfusion, and claims Neuroprotective activity, the neuronal damage caused by cerebral ischemia-reperfusion as mentioned in the Japanese patent, is not related to the progressive development of neurodegenerative diseases, and is directed to nerve damage caused by pathological causes, which is not related to age.
  • the present invention is primarily directed to the use of pure fucoxanthin and its extracts for the prevention or treatment of neurodegenerative disorders.
  • the so-called neurodegenerative diseases especially including Alzheimer's disease (elderly dementia), clinical manifestations of deteriorating cognitive and memory functions, progressive decline in daily living ability, and various neuropsychiatric and behavioral disorders.
  • Neurodegenerative diseases mainly related to aging, with age.
  • the present invention is therefore directed to neuroprotective effects associated with neurodegenerative diseases caused by age and aging.
  • Neurodegenerative diseases refer to chronic, long-range neurocytial diseases induced by genetic or environmental factors, including Alzheimer's Disease (AD) (also known as Alzheimer's disease), Parkinson's disease and Huntington's disease.
  • AD Alzheimer's Disease
  • AD the highest incidence of neurodegeneration.
  • Epidemiological surveys show that the prevalence of AD is 1% in people over the age of 60, and 30% in the 85-year-old population. It is estimated that the cost of treatment for AD patients is staggering, with annual expenditures totaling approximately $83.9 billion, and is on an annual upward trend.
  • AD Alzheimer's disease
  • ROS oxygen free radicals
  • MDA malondialdehyde
  • AD superoxide dismutase
  • GSH-PX glutathione peroxidase
  • T-AOC total antioxidant capacity
  • the damaged brain regions of AD mainly include brain regions related to learning and memory function, such as cerebral cortex, basal forebrain, and hippocampus.
  • ⁇ -induced rat cortical neuron injury model has become an important model for studying anti-AD products. Because the model uses primary cultured neurons as specimens, it has both the targeting of in vitro experiments and the inheritance of specific experiments. Stability, and therefore a powerful tool for the selection and development of anti-AD products, can clearly confirm whether the product has anti-AD and improve memory.
  • Clinical treatment of AD mainly includes: anti-amyloid treatment, neuroprotective therapy, antioxidants, memantine, anti-inflammatory drugs, hormone replacement therapy, cholinesterase inhibitors and so on.
  • anti-amyloid treatment mainly includes: anti-amyloid treatment, neuroprotective therapy, antioxidants, memantine, anti-inflammatory drugs, hormone replacement therapy, cholinesterase inhibitors and so on.
  • the above treatments can only alleviate the symptoms of patients by temporarily improving and slowing the decline of cognitive function, and can not completely eliminate the disease and thus completely cure the disease. Therefore, it is urgent to find effective drugs for the treatment of AD, and research institutes and high-end pharmaceutical companies all over the world have invested a lot of people, money and resources.
  • fucoxanthin improved the rat model of cortical neuronal injury induced by ⁇ and inhibited the cell model.
  • the present invention uses a ⁇ active fragment ⁇ 25-35 to induce a primary cortical nerve cell closely related to memory as a model to investigate the anti-AD activity of fucoxanthin.
  • cell viability
  • SOD superoxide dismutase
  • GSH-PX glutathione peroxidase
  • T-AOC total antioxidant capacity
  • MDA malondialdehyde
  • SOD superoxide dismutase
  • SOD plays a vital role in the oxidation and anti-oxidation balance of the body. This enzyme can scavenge superoxide anion radicals and protect cells from damage.
  • Glutathione peroxidase Glutathione peroxidase
  • T-AOC total antioxidant capacity
  • MDA malondialdehyde
  • PI cannot pass through the normal cell membrane, and Hoechst is a membrane-permeable fluorescent dye. Therefore, when the cells are in necrotic or late apoptosis, the cell membrane is destroyed, and the PI is red.
  • Both normal cells and early-stage apoptotic cells can be blue by Hoechst, but the nucleus of apoptotic cells is bright blue due to concentration. Different colors can distinguish normal (blue) and apoptosis (bright blue). ) and necrotic cells (red), but because the drawing does not show color, it is replaced by a hollow circle (blue), a gray circle (bright blue), and a black circle (red).
  • fucoxanthin A fucoxanthin crude powder Fx-powder and oil Fx-oil can significantly improve the survival rate of ⁇ 25-35-induced rat cerebral cortical neuron cell model.
  • Neuroprotective effects associated with neurodegenerative diseases neuronal SOD activity in cerebral cortical neuron cell model induced by ⁇ 25-35 has a certain effect; reversal of ⁇ 25-35 injured neurons leads to GSH- The PX activity decreased significantly; the total antioxidant capacity of T-AOC caused by the neuronal injury induced by ⁇ 25-35 was significantly decreased; the MDA content in the injured neuron culture medium induced by ⁇ 25-35 was significantly decreased.
  • the results of animal experiments showed that in the platform test and the darkness test, the error response latency of the animals in the fucoxanthin-containing group was prolonged, and the number of errors and the error response rate were reduced. Compared with the blank control group, the difference was significant.
  • the training and repeat test results are consistent. It shows that fucoxanthin has the function of improving memory. As a health supplement, fucoxanthin can play an important role in improving health and preventing diseases, including the promotion of brain development and memory, and has broad prospects.
  • the present invention relates to a fucoxanthin for improving memory and a god associated with neurodegenerative diseases
  • the fucoxanthin use according to the present invention wherein the neurodegenerative diseases include Alzheimer's disease, Parkinson's disease, Huntington's disease.
  • Fucoxanthin use according to the present invention, wherein the product further comprises an effect of improving memory.
  • Fucoxanthin is used to ameliorate memory impairment caused by neurodegenerative diseases such as memory loss or damage caused by diseases such as Alzheimer's disease, Parkinson's disease, and Huntington's disease.
  • the fucoxanthin use according to the present invention wherein the dosage form containing the fucoxanthin product is at least one selected from the group consisting of a powder, an oral solution, a tablet, a capsule, a granule, and a pellet.
  • the fucoxanthin use according to the present invention wherein the fucoxanthin source comprises a plant source, a microbial source, or a synthetic compound source.
  • the fucoxanthin use according to the present invention wherein the plant source of the fucoxanthin is seaweed.
  • the fucoxanthin use according to the present invention, wherein the seaweed is selected from the group consisting of kelp, sargasso, fucus, goose, diatom, spirulina, wakame, giant algae, sika, sea bream, sheep A group consisting of perch, seaweed and diatom.
  • the fucoxantan content according to the present invention wherein the fucoxanthin content is between 0.0001% and 60%, that is, the fucoxanthin content may be between 0.0001% and 10%, 5% Between -15, between 10%-20%, 15%_25%, can also be between 25%_35%, 40%_50%, 50%_60%. More preferably, the use according to the invention, wherein the fucoxanthin content is between 0.0001% and 10%.
  • the content of the flavin extract is between 90 and 100%.
  • the content of the extract is between 95 and 100%.
  • the fucoxanthin use according to the present invention wherein the drug made from the fucoxanthin comprises a tablet, a capsule, and a pellet.
  • the fucoxanthin use according to the present invention wherein the fucoxanthin taken by the subject daily has The effective ingredient is 0.001 mg-20 mg, that is, the daily intake of fucoxanthin in the subject may be between 2 mg-8 mg, 4 mg-9 mg, or between 10 mg-15 mg. , between 15 mg and 20 mg. According to the use of the present invention, the fucoxanthin active ingredient taken daily by the subject is 0.001 to 10 mg.
  • the fucoxanthin use according to the present invention wherein the product contains fucoxanthin at a dose effective to protect a disease associated with a neurodegenerative disease.
  • the product contains fucoxanthin.
  • the products include food, health products and medicines.
  • the dosage form containing the fucoxanthin product is at least one selected from the group consisting of powders, oral liquids, tablets, capsules, granules, and pills.
  • the fucoxanthin source includes a plant source, a microbial source, or a source of synthetic compounds. Recurrent neurodegenerative diseases include Alzheimer's disease, Parkinson's disease, and Huntington's disease.
  • the natural extract is selected from the group consisting of Ginkgo biloba extract, docosahexaenoic acid (DHA), phosphatidylserine, egg fat, fish oil, Omega-3, A group consisting of conjugated linoleic acid.
  • DHA docosahexaenoic acid
  • phosphatidylserine egg fat, fish oil, Omega-3
  • a group consisting of conjugated linoleic acid is selected from the group consisting of Ginkgo biloba extract, docosahexaenoic acid (DHA), phosphatidylserine, egg fat, fish oil, Omega-3, A group consisting of conjugated linoleic acid.
  • seaweed is selected from the group consisting of kelp, Sargassum, Fucus, Chickweed, Algae, Rope. Wakame, Macroalga, Carrageen, Sea scorpion, Sheep A group consisting of perch, seaweed and diatom.
  • the fucoxanthin content is between 0.0001% and 60%
  • the fucoxanthin content can be Between 0.0001% and 10%, between 5% and 15%, between 10% and 20%, between 15% and 25%, and between 25% and 35%, and between 40% and 50%. Between 50% and 60%. More preferably, the amount according to the invention is between 0.0001% and 10%.
  • the content of the fucoxanthin in the fucoxanthin extract is between 90 and 100%.
  • the content of the fucoxanthin in the fucoxanthin extract is between 95 and 100%.
  • the active ingredient of fucoxanthin administered daily is 0.001 mg-20 mg, that is, the active ingredient of fucoxanthin taken daily by the subject may be between 2 mg-8 mg and 4 mg-9 mg, It can be between 10 mg and 15 mg and between 15 mg and 20 mg.
  • the active ingredient of fucoxanthin administered daily was 0.001 mg-10 mg.
  • This product improves memory impairment caused by neurodegenerative diseases such as memory loss or damage caused by diseases such as Alzheimer's disease, Parkinson's disease, and Huntington's disease.
  • the product of the present invention also has a remarkable effect in improving memory.
  • animal experiment results show that in the platform test and the dark-avoidance test, the animal containing the fucoxanthin group is memorized. The error response latency was prolonged, the number of errors and the error response rate were reduced. Compared with the blank control group, the difference was significant, indicating that fucoxanthin significantly improved memory function. Therefore, fucoxanthin can be used for improving memory, either in the form of pure fucoxanthin or in the form of fucoxanthin extract, in the form of high levels of fucoxanthin, and in these forms of fucoxanthin and A form of formulation consisting of other raw materials. As a health supplement, fucoxanthin plays an important role in improving health and preventing and treating neurological diseases associated with neurodegenerative diseases, including the promotion of brain development and memory.
  • fucoxanthin in the present invention for neuroprotective effects associated with neurodegenerative diseases, particularly anti-AD and memory-enhancing effects, and fucoxanthin-like diseases associated with New uses for neuroprotection, and fucoxanthin A product of neuroprotection associated with neurodegenerative diseases.
  • Figure 1 Morphological test results of ⁇ 25-35 injured neurons after different drug treatments. Open circles: normal cells; gray circles: apoptotic cells; black circles: necrotic cells. detailed description
  • the silica gel column was gradually eluted, monitored by thin layer chromatography, and sprayed with a solution of sulfuric acid in ethanol. The fractions of the same purity were combined, and 98% of the pure fucoxanthin was obtained by liquid phase detection.
  • Preparation method of fucoxanthin oil Add fucoxanthin extract or pure fucoxanthin oil to edible oil and stir evenly so that the fucoxanthin content in the product is within the required range.
  • SD rats were purchased from the Department of Laboratory Animal Science of Peking University Medical School, Laboratory Animal License No.: SCXK (Beijing) 2006-0025.
  • ⁇ 25-35 and ⁇ are purchased from Sigma; total antioxidant capacity (T-AOC) kit, micro malondialdehyde (MDA) test kit, glutathione-peroxidase (GSH-PX) test Box and SOD test kits were purchased from Nanjing Institute of Bioengineering; Apoptosis fluorescence
  • Hoechst33342/PI double staining kit was purchased from Nanjing Kaiji Biotechnology Development Co., Ltd.
  • the isolated tissue is placed in a sterile culture containing an appropriate amount of 0.125% trypsin digest, and the tissue is cut into a size of about 0.5 mm 0.5 mm 0.5 mm and allowed to stand at room temperature for 5 minutes.
  • the DMEM-F12 medium was stopped for digestion and gently pipetted with a elbow pipette to make a single cell suspension.
  • the medium was changed to DMEM-F12 medium containing 5 mg/L cytarabine and 10% calf serum. After another 24 hours, it was replaced with DMEM-F12 medium containing 2% B-27 and 10% calf serum. After that, it was changed to DMEM-F12 medium containing 2% B-27 and 10% calf serum every 2 days, and the solution was changed.
  • a total of 8 experimental groups were set up for cell viability detection, including normal control group (Control), model group (Model), and 5 different concentration drug groups (drug concentration (the concentration of drug mentioned here is the net concentration of fucoxanthin): 0.39 , 0.78, 1.56, 3.12, 6.25 g/ml) and the drug control group (6.25 g/ml).
  • Other indicators superoxide dismutase (SOD), glutathione peroxidase (GSH-PX), total antioxidant capacity (T-AOC), malondialdehyde (MDA), and cell morphology observation settings
  • SOD superoxide dismutase
  • GSH-PX glutathione peroxidase
  • T-AOC total antioxidant capacity
  • MDA malondialdehyde
  • Five experimental groups, including the normal control group, the model group, and three different concentration administration groups drug concentrations: 0.39, 0.78, 1.56 g/ml).
  • the cells were cultured for 7 days, the drug group was given the corresponding concentration of drugs, and the Control and Model groups were added with the same amount of solvent for 16 hours. After the control group, the other groups were treated with 5 ⁇ ⁇ 2 relieve 5 (pre- 37 ° C aging 7 After treatment for 24 h, cell culture medium was taken for T-AOC, SOD, MDA and GSH-PX detection. Cell viability was determined by MTT assay or morphological observation was performed by Hoechst/PI double staining assay.
  • MTT assay was used to detect cell viability in 96-well plate culture cells, and the drug was protected for 16 h. After ⁇ 25 -3 5 injury for 24 h, 5 mg/ml MTT was added to the culture medium, and the culture was continued for 4 h. The culture was terminated and carefully removed and cultured. For the solution, 200 ⁇ M dimethyl sulfoxide was added to each well to dissolve the crystals. The absorbance of each well was measured at OD 490 nm using a microplate reader, and the cell survival rate was calculated at 100% in the control group.
  • the Hoechst/PI double staining method was referenced to the kit instructions and improved: 10 ⁇ Hoechst 33342 was added to a 24-well plate (400 ⁇ M medium) and incubated at 37 ° C for 20 min in the dark. The supernatant was carefully aspirated and washed 3 times with PBS. 400 ⁇ Buffer A and 3 ⁇ PI were added to each well and incubated at 37 °C for 15 min in the dark. The supernatant was carefully aspirated, washed 3 times with PBS, and 400 ⁇ M Buffer A was added to each well. Laser confocal microscopy was observed.
  • Fx-powder is similar to sputum and has a certain inhibitory effect on neuronal damage, but this effect does not show a dose-dependent relationship.
  • Fx-oil has neuroprotective effects and is dose-dependent, showing a tendency to increase protection with increasing drug concentration. Comparing the three drugs, the neuroprotective effect of the drug on the effect on cell viability: Control A > Fx-oil > Fx-powderschreib There was no significant difference between the drug control group and the Control group. 1 Effects of different drug treatments on the survival rate of ⁇ 2 resort 5 injured neurons
  • the level of SOD activity can indirectly reflect the body's ability to scavenge oxygen free radicals, and the reference substance A (A) and its crude extract Fx-01 powder (Fx-powder) and Fx-01 oil (Fx-o il) to A ⁇ 25 - Effect of SOD in 35 was induced rat model of cerebral cortical neurons cultures (Table 2). The results showed that after treatment at 0 25 - 35 , the activity of SOD in the cell culture medium decreased, but there was no significant difference, and each drug had a certain effect on the SOD activity of the neurons after modeling, and showed certain The dose-dependent manner showed a tendency to increase SOD activity as the drug concentration increased.
  • the total antioxidant capacity (T-AOC) determination can be used to evaluate the antioxidant capacity of total antioxidants in the system.
  • ELISA medium A (A) and its crude extract Fx-01 powder (Fx-powder) and Fx-01 oil (Fx-oil) were induced in ⁇ 2 ⁇ 35- induced rat cerebral cortical neuron cell culture medium.
  • the impact of AOC the results are shown in Table 4.
  • the results showed that ⁇ 2 administrat 5 damage to neurons could lead to a significant decrease in the total antioxidant capacity of antioxidants in culture medium (/? ⁇ 0.05), while all three drugs had a certain effect on the total antioxidant capacity.
  • Fx-powder showed a tendency to increase protection with increasing drug concentration; however, although A and Fx-oil also had an effect of increasing total antioxidant capacity, they did not show a dose-dependent relationship.
  • the body produces oxygen free radicals through an enzymatic system and a non-enzymatic system, which can attack polyunsaturated fatty acids in biofilms, trigger lipid peroxidation, and thus form lipid peroxides such as MDA. Therefore, the amount of MDA can reflect the degree of lipid peroxidation in the body, thereby indirectly reflecting the degree of damage of cells subjected to free radical attack.
  • Detecting reference substance A(A) and its crude extracts Fx-01 powder (Fx-powder) and Fx-01 oil (Fx-oil) for MD ⁇ 25-35- induced rat brain cortical neuron cell culture medium MDA The effect of the content, the results are shown in Table 5.
  • the morphological test results are shown in Figure 1.
  • the normal control group was mostly blue normal cells, and there were a few bright blue apoptotic cells, and no necrotic cells were found.
  • the bright blue apoptotic cells in the model group were significantly increased, and bright red necrotic cells appeared.
  • Apoptosis and necrotic cells were decreased in the Fx-powder 0.39 g/ml group, apoptotic cells were decreased in the 0.78 g/ml group, and necrotic cells were not reduced, and necrotic cells were decreased in the 1.56 g/ml group; however, there was no dose dependency.
  • Apoptotic cells were decreased in Fx-oil 0.39 g/ml group and 0.78 g/ml group, and necrotic cells and apoptotic cells were decreased in 1.56 g/ml group; Fx-oil showed a dose-dependent manner. A 0.39 g / ml group of necrotic cells decreased, 0.78 g / ml group and 1.56 g / ml group of apoptotic cells and necrotic cells decreased; A has a dose-dependent relationship. Compared with the three drugs, A works best, followed by Fx-oil and Fx-powder.
  • Reference substance A and its crude extracts Fx-01 powder and Fx-01 oil have certain neuroprotective effects related to neurodegenerative diseases, which may have improved memory activity;
  • the material fucoxanthin pure product is made by our company, and the recommended daily dose of mice is equivalent.
  • the human body daily dose of 4 mg, Kunming male mice, 6 ⁇ 8 weeks old, weight 18 ⁇ 22g.
  • Animal Laboratory Setup Animal laboratories are SPF grade. The conditions are room temperature 22 ⁇ 2 ° C and humidity 60 % ⁇ 80 %.
  • mice were given fucoxanthin for 30 days.
  • the average latency of the drug-administered group was longer than that of the control group.
  • the average number of errors was lower than that of the control group (P ⁇ 0.05). .
  • Animal Laboratory Setup Animal laboratories are SPF grade. The conditions are room temperature 22 ⁇ 2 ° C and humidity 60 % ⁇ 80 %.
  • the platform test can be seen from the following table, and the mice are orally administered according to the formulation of the formulation of Table 16. 30d, during the process of memory acquisition (training), the average number of errors was less than that of the control group, and the difference was significant. During the repeated test, the latency of the drug-dropping group was longer than that of the control group, and the average number of errors was less than that of the control group. The rate was lower than that of the control group, and the difference was also significant ( ⁇ ⁇ 0.05).
  • mice in the administration group according to the formulation of Table 16 were given orally for 30 days.
  • the average latency of the drug-administered group was longer than that of the control group, and the average number of errors was lower than that of the control group.
  • the difference was significant. ⁇ 0. 05).
  • Example 4 A hard capsule prepared from a fucoxanthin extract (containing fucoxanthin 95%) (Table 8).
  • Example 5 Film-coated tablet containing fucoxanthin extract (containing fucoxanthin 60%)
  • the method for people with Alzheimer's disease is: Take 1 time a day, 1 capsule each time.
  • Example 6 Soft gum (containing fucoxanthin 0.1%) containing fucoxanthin extract (Table 10).
  • Group Content Fucoxanthin Extract 100 mg Phosphatidylserine 100 mg Hydrogen 4 ⁇ Soybean Oil 50 mg Yellow Wax 50 mg Soybean Oil 200 mg
  • Example 7 A soft capsule prepared from a fucoxanthin extract (containing 10% of fucoxanthin) (Table 1 1). Table 13.
  • Fucoxanthin Extract 50 mg Fish Oil 50 mg Hydrogen 4 ⁇ Soybean Oil 50 mg Yellow Wax 50 mg Soybean Oil 200 mg
  • DHA Docosahexaenoic acid
  • Example 9 contains fucoxanthin extract (containing fucoxanthin 0.1%) Made into soft plastic enamel table 15.
  • CLA Conjugated Linoleic Acid
  • DHA docosahexaenoic acid
  • Phosphoserine 50 mg Soybean Oil 35 mg
  • the method for people with Alzheimer's disease is: Take 2 times a day, 1 - 2 capsules each time.
  • Example 12 Pellets made from 100% fucoxanthin extract

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Description

岩藻黄素在制备与神经退行性疾病相关的神经保护作用以及改善记忆的产品中的应用
技术领域 具体的, 本发明涉及岩藻黄素在改善记忆产品中的应用, 以及岩藻黄素在 与神经退行性疾病相关的神经保护作用的产品中的应用, 所述神经退行性疾 病包括如阿尔茨海默病、 帕金森氏症以及亨廷顿舞蹈症等。 背景技术
天然类胡萝卜素, 如 β-胡萝卜素、 番茄红素、 叶黄素、 岩藻黄素, 因 其抗癌特性和卓越的清除自 由基功能而被广泛研究。 岩藻黄素
( fucoxanthin ) 亦称褐藻素, 来源于海带、 马尾藻、 墨角藻、 鵝肠菜、 嚢 藻、 绳藻、 裙带菜、 巨藻、 鹿角菜、 海黍子、 羊栖菜、 海蒿子及硅藻等植 物, , 结构式如下:
Figure imgf000003_0001
岩藻黄素纯品是一种红褐色的结晶, 是叶黄质的一种, 是使褐藻类呈 现出褐色的物质, 也是褐藻类所特有的色素。 岩藻黄素具有多种生理活性, 对糖尿病人的血糖有较好的调控作用, 对多种癌 (乳腺癌, 大肠癌, 前列 腺癌等) 细胞有杀灭作用, 同时也有很强的抗氧化功能, 因此具有潜在的 开发利用价值。 还有研究表明, 岩藻黄素具有减肥功效。
有曰本公开文献 2001-335480A 宣称岩藻黄素对脑缺血再灌注引起的 大鼠胚胎神经细胞损伤具有抑制作用, 对缺血再灌注造成的神经细胞具有 保护活性。 脑缺血再灌注损伤是指脑缺血一定时间恢复血液灌注后, 脑组 织细胞损伤反而加重, 缺血性脑损伤包括缺血期原发性损伤和再灌注期继 发性损伤, 其病理过程始动环节是缺血, 严重时会引起脑梗死。 抑制再灌 注损伤成为目前治疗缺血性脑卒中的关键环节。 尽管日本专利证实岩藻黄 素对脑缺血再灌注引起的大鼠胚胎神经细胞损伤具有抑制作用, 并宣称其 神经保护活性, 日本专利提到的脑缺血再灌注引起的神经细胞损伤, 与进 行性发展的神经退行性疾病是不相关的, 针对的是病理性原因造成的神经 损伤, 与年龄不相关。
本发明主要论述的是岩藻黄素纯品及其提取物用于预防或治疗神经退 行性病变方面的用途。 所谓神经退行性疾病, 尤其包括阿尔茨海默病 (老 年痴呆症) , 临床表现为认知和记忆功能不断恶化, 日常生活能力进行性 减退, 并有各种神经精神症状和行为障碍的疾病。 神经退行性疾病, 主要 随着年龄的增长, 与衰老有关的疾病。 因此本发明针对的是因年龄和衰老 导致的神经退行性疾病相关的神经保护作用。
神经退行性疾病是指由遗传因素或环境因素诱发的慢性、 长程神经细 胞衰亡疾病,包括阿尔茨海默病( Alzheimer's Disease, AD)(也称老年痴呆), 帕金森病和亨廷顿舞蹈症等。 伴随着人口老龄化时代的到来, 神经退行性 疾病已经成为影响中老年人群的健康的主要因素之一, 并给社会带来巨大 的经济负担和社会负担, 而 AD是发病率最高的神经退行性疾病。 流行病 学的调查显示, 在 60岁以上人群 AD的患病率为 1%, 而在 85岁人群的患 病率为 30%。 据估计, AD病人的治疗费用惊人, 每年支出共计 839亿美 元左右, 并呈逐年上升趋势。
AD 的临床表现为认知和记忆功能不断恶化, 日常生活能力进行性减 退, 并有各种神经精神症状和行为障碍。 研究表明, 老年斑是 AD 的主要 病理特征之一, 而 β-淀粉样蛋白 (β-Amyloid, Αβ )是老年斑的重要成分。 目前, Αβ沉积诱发氧化应激从而导致神经细胞损伤是公认的 AD的主要发 病学说。 Αβ在大脑的过量生成和集聚、 沉积, 可以引起细胞内离子超载, 导致细胞内环境失衡, 促进氧自由基(ROS )和丙二醛(MDA )等的产生, 引起氧化应激反应, 使细胞内抗氧化因子如超氧化物歧化酶 (SOD ) 、 谷 胱甘肽过氧化物酶(GSH-PX )和总抗氧化能力 (T-AOC )等水平降低, 从 而引起神经元特别是与记忆相关神经元的变性, 甚至坏死, 诱发 AD发生。 此外 AD的发病假说还有: tau蛋白异常、重金属、血管因子或病毒感染等。 AD的受损脑区主要包括大脑皮质、基底前脑、海马等与学习记忆功能相关 的脑区。 目前, Αβ诱导大鼠皮质神经细胞损伤模型成为已研究抗 AD产品的重 要模型, 由于该模型以原代培养的神经元为标本, 既具有体外实验的靶向 性, 更兼具体内实验的遗传稳定性, 因而是抗 AD产品的 选、 研发的有 力工具, 可明确证实产品是否具备抗 AD及改善记忆作用。
临床上对 AD的治疗主要包括: 抗淀粉样蛋白的治疗、 神经保护疗法、 抗氧化剂、 美金刚、 抗炎药物、 激素补充疗法、 胆碱酯酶抑制剂等。 但截 至目前, 上述疗法只能通过暂时改善和减慢认知功能的衰退速度而减轻病 人的症状, 并不能消除病因而彻底治愈该病。 因此, 寻找治疗 AD 的有效 药物迫在眉睫, 而全世界的科研院所和高端药物企业也为此投入大量人、 财、 物力。
近年来, 由于"回归自然"已成为人类的共识, 所以从天然和海洋植物 中寻找有效的治疗疾病的药物吸引了科学家和研发企业的兴趣, 并获得了 重大进展。 因此, 从天然和海洋植物中寻找有效的治疗 AD 的药物, 可能 会对 AD的治疗带来曙光, 并且由于已经发现了大量的针对 AD的分子水 平的治疗靶点, 因而我们有理由相信可以找到显著延緩并治疗 AD 的天然 或海洋植物成分,从而起到改善记忆暨预防和治疗神经推行性疾病等功效。
我们在寻找预防、 治疗 AD及改善记忆力的药品或食品时, 发现岩藻 黄素对 Αβ诱导大鼠皮质神经细胞损伤模型有改善作用,可抑制该细胞模型
发明内容
本发明采用 Αβ的活性片段 Αβ25-35诱导与记忆密切相关的原代皮层 神经细胞为模型, 探讨岩藻黄素的抗 AD 活性。 通过检测细胞存活率 ( ΜΤΤ ) 、 细胞形态学、 超氧化物歧化酶(SOD ) 、 谷胱甘肽过氧化物酶 ( GSH-PX ) 、 总抗氧化能力 (T-AOC ) 、 丙二醛(MDA ) 等指标来评价 岩藻黄素的抗 AD 活性。 超氧化物歧化酶(SOD )对机体的氧化与抗氧化 平衡起着至关重要的作用, 此酶能够清除超氧阴离子自由基, 保护细胞免 受损伤, 其活力高低间接反映机体清除氧自由基的能力。 谷胱甘肽过氧化 物酶(GSH-PX )是体内一种重要的催化过氧化氢分解的酶, 起到保护细胞 膜结构和功能完整性的作用。 总抗氧化能力 (T-AOC ) 测定可以评价体系 中总抗氧化物质抗氧化能力的高低。 丙二醛(MDA ) 的量反映机体内脂质 过氧化的程度, 可以间接反映出细胞受自由基攻击的损伤程度。 细胞形态 学观察采用 Hoechst/PI双染实验: PI、 Hoechst33342均可与细胞核 DNA(或 RNA ) 结合。 但是 PI不能通过正常的细胞膜, Hoechst则为膜通透性的荧 光染料,故细胞在处于坏死或晚期凋亡时细胞膜被破坏,这时为 PI着红色。 正常细胞和中早期凋亡细胞均可被 Hoechst 着蓝色, 但凋亡细胞的核由于 浓集而呈亮蓝色, 由着色不同即可分辨出正常 (蓝色) 、 凋亡 (亮蓝色) 以及坏死细胞(红色), 但由于说明书附图无法表现出色彩, 被空心圆(蓝 色) 、 灰色圆 (亮蓝色) 和黑色圆 (红色) 代替。
我们在研究中发现, 岩藻黄素纯品 A, 岩藻黄素粗提物粉末 Fx-powder 和油 Fx-oil均能够显著提高 Αβ25-35诱导的大鼠大脑皮质神经元细胞模型 的存活率, 具有与神经退行性疾病相关的神经保护作用; 对 Αβ25-35诱导的 大鼠大脑皮质神经元细胞模型培养液中神经元 SOD 活力均具有一定的提 高作用; 逆转 Αβ25-35损伤神经元的导致 GSH-PX活力的显著下降; 逆转 Αβ25-35所致神经元损伤引起的总抗氧化能力 T-AOC显著下降; 显著降低 Αβ25-35所致损伤神经元培养液中 MDA的含量。并显示出一定的剂量依赖 性, 呈现出随药物浓度增高 SOD活力增强的趋势; 综合以上 4个氧化损伤 相关指标的检测, 结果显示 Fx-powder和 Fx-oil能够都具有一定的抗氧化 损伤的作用, 表现在实验体系中清除过氧化物相关酶活性和总抗氧化能力 的增强以及过氧化损伤产物的减少。 细胞形态学检测结果表明, 不同浓度 下, Fx-powder和 Fx-oil抑制细胞凋亡和细胞坏死发生。 其岩藻黄素粗提 物 Fx-01粉和 Fx-01油均具有一定的, 与神经退行性疾病相关的神经保护作 用, 可能具有改善记忆活性。
动物实验结果显示, 在跳台试验和避暗试验中, 给含岩藻黄素组动物 记忆获得的错误反应潜伏期延长, 错误次数、错误反应率降低, 与空白对照 组比较, 差异具显著性。 且训练及重复测验结果一致。 表明岩藻黄素具有 改善记忆的功能。 岩藻黄素作为保健品, 在增进健康及预防疾病方面能起 到很重要的作用, 主要包括增进大脑发育及记忆力方面, 具有广阔的前景。 本发明涉及到岩藻黄素用于改善记忆以及与神经退行性疾病相关的神
产品中的用途, 其中, 所述产品包括食品、 保健品和药品。
根据本发明的岩藻黄素用途, 其中, 所述神经退行性疾病包括阿尔茨 海默病, 帕金森氏症, 亨廷顿舞蹈症。
根据本发明的岩藻黄素用途, 其中, 所述产品进一步包括改善记忆力 的作用。 岩藻黄素用于改善由神经退行性疾病引起的记忆损伤, 如由阿尔 茨海默病, 帕金森氏症, 亨廷顿舞蹈症等疾病引起的记忆衰退或损伤。
根据本发明的岩藻黄素用途, 其中, 所述含岩藻黄素产品的剂型选自 由散剂、 口服液、 片剂、 胶嚢剂、 颗粒剂及丸剂组成的组中的至少一种。
根据本发明的岩藻黄素用途, 其中, 所述岩藻黄素来源包括植物来源、 微生物来源、 或合成的化合物来源。
根据本发明的岩藻黄素用途, 其中, 所述岩藻黄素的植物来源是海藻。 根据本发明的岩藻黄素用途, 其中, 所述海藻选自海带、 马尾藻、 墨 角藻、 鵝肠菜、 嚢藻、 绳藻、 裙带菜、 巨藻、 鹿角菜、 海黍子、 羊栖菜、 海蒿子和硅藻组成的组。
根据本发明的岩藻黄素用途,其中,所述岩藻黄素含量在 0.0001%-60% 之间, 即所述岩藻黄素含量可以在 0. 0001%-10%之间, 5%-15之间, 10%-20% 之间, 15%_25%之间, 也可以在 25%_35%之间, 40%_50%之间, 50%_60%之间。 更为优选的,根据本发明的用途,其中,所述岩藻黄素含量在 0.0001%-10% 之间。
根据本发明的岩藻黄素的用途, 其中, 所述岩藻黄素在岩藻
黄素提取物中的含量在 90-100%之间。
根据本发明的岩藻黄素的用途, 其中, 所述岩藻黄素在岩藻黄
素提取物中的含量在 95-100%之间。
根据本发明的岩藻黄素用途, 其中, 所述岩藻黄素所制成的药品包括 片剂, 胶嚢, 微丸的形式。
根据本发明的岩藻黄素用途, 其中, 受试对象每日服用的岩藻黄素有 效成分为 0.001 mg-20 mg,即受试对象每日服用岩藻黄素有效成分可以在 2 mg-8 mg之间, 4 mg-9 mg之间 , 也可以在 10 mg-15 mg之间, 15 mg-20 mg 之间。 根据本发明的用途, 其中, 受试对象每日服用的岩藻黄素有效成分 为 0.001-10 mg。
根据本发明的岩藻黄素用途, 其中, 所述产品含具有有效保护神经退 行性疾病相关的疾病的剂量的岩藻黄素。 中, 所述产品中含有岩藻黄素。 述产品包括食品、 保健品和药品。 述含岩藻黄素产品的剂型选自由散剂、 口服液、 片剂、 胶嚢剂、 颗粒剂及 丸剂组成的组中的至少一种。 述岩藻黄素来源包括植物来源、 微生物来源、 或合成的化合物来源。 述与神经退行性疾病包括阿尔茨海默病, 帕金森氏症, 亨廷顿舞蹈症。
^明 ό 申经退. 产品, 其中, 所 述含岩藻黄素的产品, 还包括天然提取物,
^明 ό ^ Φ经退. 产品, 其中, 所 述天然提取物,是选自银杏提取物,二十二碳六烯酸 (DHA), 磷脂酰丝氨酸, 卵騎脂, 鱼油, Omega-3 , 共轭亚油酸组成的组。
^明 ό ^ Φ经退. 产品, 其中, 所 述岩藻黄素的植物来源是海藻,
^明 ό ^ Φ经退. 产品, 其中, 所 述海藻选自海带、 马尾藻、 墨角藻、 鵝肠菜、 嚢藻、 绳藻. 裙带菜、 巨藻、 鹿角菜、 海黍子、 羊栖菜、 海蒿子和硅藻组成的组。
产品, 其中, 所 述岩藻黄素含量在 0.0001%-60%之间, 即所述岩藻黄素含量可以在 0.0001%- 10%之间, 5%-15之间, 10%-20%之间, 15%-25%之间, 也可以在 25%-35%之间, 40%-50%之间, 50%-60%之间。 更为优选的, 根据本发明 量在 0.0001%-10%之间。 中所述岩藻黄素在岩藻黄素提取物中的含量在 90- 100%之间。 中所述岩藻黄素在岩藻黄素提取物中的含量在 95-100%之间。 试对象每日服用岩藻黄素有效成分为 0.001 mg-20 mg, 即受试对象每日服 用岩藻黄素有效成分可以在 2 mg-8 mg之间, 4 mg-9 mg之间, 也可以在 10 mg-15 mg之间, 15 mg-20 mg之间。 试对象每日服用岩藻黄素有效成分为 0.001 mg-10 mg。
根据本发明的产品在改善记忆力方面的用途。 本产品改善由神经退行 性疾病引起的记忆损伤, 如由阿尔茨海默病, 帕金森氏症, 亨廷顿舞蹈症 等疾病引起的记忆衰退或损伤。
根据本发明的实施例, 本发明的产品在改善记忆力方面同样具有明显 效果, 在本发明一个实施例中动物实验结果显示, 在跳台试验和避暗试验 中, 给含岩藻黄素组动物记忆获得的错误反应潜伏期延长, 错误次数、错误 反应率降低, 与空白对照组比较, 差异具显著性, 表明岩藻黄素具有显著 改善记忆的功能。因此, 岩藻黄素可以作为改善记忆的用途, 可以以岩藻黄 素纯品的形式, 也可以以岩藻黄素提取物的形式, 高含量岩藻黄素的形式, 以及这些形式的岩藻黄素和其他原料组成的配方形式。 岩藻黄素作为保健 品, 在增进健康及预防和治疗神经退行性疾病相关的神经疾病方面能起到 很重要的作用, 主要包括增进大脑发育及记忆力方面, 用途非常广泛。
下面将通过具体的示例来验证本发明中的岩藻黄素用于与神经退行性 疾病相关的神经保护作用, 尤其是抗 AD和改善记忆的作用, 以及岩藻黄素 if行性疾病相关的神经保护作用的新用途, 以及含岩藻黄素 与神经退行性疾病相关的神经保护作用的产品。 附图说明
图 1 不同药物处置后 Αβ25-35损伤神经元形态学检测结果。 空心圆: 正常细胞; 灰色圆: 凋亡细胞; 黑色圆: 坏死细胞。 具体实施方式
以下通过具体实验说明本发明岩藻黄素用于改善记忆方面的用途, 通 过以 β 淀粉样肽(Αβ25 )诱导的大鼠大脑皮质神经元细胞为模型, 检测 对照品 Α(岩藻黄素纯品)以及其粗提物 Fx-01粉(岩藻黄素粉末 Fx-powder ) 和 Fx-01油 (岩藻黄素油 Fx-oil ) 的神经保护作用, 以评价岩藻黄素的抗 β 淀粉样肽(Αβ25 ) 致细胞损伤的潜在功效。 下面提到的岩藻黄素纯品 Α, 岩藻黄素提取物, 岩藻黄素粉末, 岩藻黄素油的制备方法有很多, 在这里 只各举一个例子, 作为说明。
岩藻黄素纯品 Α的制备方法: 将含有 1克岩藻黄素提取物的样品溶解于正己 烷溶液,通过填充 50克硅胶的层析柱,用正己烷和乙酸乙酯 98:2, 95:5, 90: 10,
85: 15逐渐洗脱硅胶柱, 薄层层析监控, 硫酸乙醇溶液喷雾显色, 纯度相同 的流份合并, 液相检测得到 98%的岩藻黄素纯品。
岩藻黄素粉末的制备方法: 参见 JP2009-261647和 US 12/619,474
岩藻黄素油的制备方法: 将岩藻黄素提取物或者岩藻黄素纯品加入食用油, 搅拌均匀, 使产品中的岩藻黄素含量在需要的范围之内。
实施例 1 体外药理实验
(一)实验材料与方法
1 材料
1.1动物
出生 0-4 天 SD大鼠的乳鼠, 购自北京大学医学部实验动物科学部, 实验动物许可证号: SCXK (京) 2006-0025。
1.2试剂
Αβ25-35、 ΜΤΤ均购自 Sigma公司; 总抗氧化能力 ( T-AOC ) 试剂 盒、 微量丙二醛(MDA ) 测试盒、 谷胱甘肽 -过氧化物酶(GSH-PX ) 测试 盒、 SOD 测试盒均购自 南京建成生物工程研究所; 细胞凋亡荧光
Hoechst33342/PI双染试剂盒购自南京凯基生物科技发展有限公司。
2 方法
2.1 大鼠大脑皮质神经元细胞原代培养
1 )将 1-4日龄大鼠乳鼠处死, 置 75%酒精泡 2-3秒, 放入无菌培养亚中。 取脑, 放入装有冷 D-Hanks 液的无菌培养亚, 剔除脑膜和血管, 分离出大 脑皮层。
2)将分离出来的组织置于一个含有适量 0.125%胰蛋白酶消化液的无菌 培养 中, 剪碎组织成约 0.5 mm 0.5 mm 0.5 mm大小, 室温放置 5分钟。
3 ) 将组织块转入 15 ml 离心管中, 加入适量含 10%小牛血清的
DMEM-F12培养基终止消化, 用弯头吸管轻轻吹打, 使之成为单细胞悬液。
4) 用 400目细胞筛滤过细胞。
5 ) 1000rpm离心 5 分钟, 弃去上清, 加入 D-Hanks液洗细胞, 1000 rpm 离心 5 分钟, 弃去上清。
6) 加入一定量的含 10%小牛血清的 DMEM-F12培养基, 进行细胞计 数, 以 lx 105个 /ml 浓度将细胞接种于预先用 lO g/ml 多聚赖氨酸铺板的 96 或 24孔板中, 放入 C02 孵箱, 在 37°C, 5% C02 的条件下培养。
7 ) 24小时后, 换培养基为含有 5 mg/L阿糖胞苷和 10%小牛血清的 DMEM-F12培养基。 再过 24小时后更换为含 2% B-27和 10 %小牛血清的 DMEM-F12培养基。 以后每隔 2天更换为含 2% B-27和 10 %小牛血清的 DMEM-F12培养基, 进行换液。
2.2实验分组及处理方法
细胞存活率检测共设置 8个实验组, 包括正常对照组(Control) 、 模型 组 (Model) 、 5个不同浓度药物组 (药物浓度(这里所说的药物浓度就是 岩藻黄素净浓度): 0.39、 0.78、 1.56、 3.12、 6.25 g/ml )和药物对照组( 6.25 g/ml) 。 其它检测指标: 超氧化物歧化酶(SOD) 、 谷胱甘肽过氧化物酶 ( GSH-PX ) 、 总抗氧化能力 (T-AOC) 、 丙二醛(MDA) 、 以及细胞形 态学观察设置 5个实验组, 包括正常对照组、 模型组和三个不同浓度给药组 (药物浓度: 0.39, 0.78, 1.56 g/ml) 。 取培养 7天的细胞, 药物组给予相应浓度药物, Control和 Model组加入 等量相应溶剂, 共孵育 16h, 之后除 Control组, 其它各组用 5 μΜ Αβ25 (预 先 37°C老化 7天)处理 24 h。 之后取细胞培养液进行 T-AOC、 SOD , MDA和 GSH-PX检测, 细胞采用 MTT法测定细胞存活率或采用 Hoechst/PI双染实验 进行形态学观察。
2.3实验指标测定方法
MTT法检测细胞存活率 96孔板培养细胞, 给予药物保护 16 h, Αβ25 -35 损伤 24 h后, 在培养液中加入 5 mg/ml MTT, 继续培养 4h, 终止培养, 小心 吸取除去培养液, 每孔加入 200 μΐ二甲基亚砜, 使结晶物充分溶解后, 用酶 标仪在 OD 490 nm处测量各孔的吸光值,以对照组为 100%计算细胞存活率。
Hoechst/PI双染实验方法参考试剂盒说明书并加以改进:向 24孔板( 400 μΐ培养基) 中加入 10 μΐ Hoechst 33342 , 37°C避光孵育 20 min。 小心吸除上 清, PBS洗涤 3次。 每孔加入 400 μΐ Buffer A和 3 μΐ PI, 37 °C避光孵育 15 min。 小心吸除上清, PBS洗涤 3次, 每孔加入 400 μΐ Buffer A。 激光共聚焦显微 观察拍照。
本实验各指标的检测均进行了 3 次重复不同样本的实验 (Hoechst/PI 双染实验观察细胞形态实验除外), 结果均为 3次实验结果经统计学分析得 到。
(二) 实验结果与讨论
1 药物对细胞存活率的影响
检测对照品 A( A )(岩藻黄素纯品)以及其粗提物 Fx-01粉( Fx-powder ) 和 Fx-01油( Fx-oil )对 Αβ2^35诱导的大鼠大脑皮质神经元细胞模型存活率 的影响, 结果见表 1。 结果显示, 025处置后, 细胞存活率显著下降 0.01 ) , 为 76.03% , 证明八025-35处置确实造成了神经元细胞的损伤, 模型 成功。 而各个药物对造模后的神经元细胞均具有一定的保护作用。
Fx-powder与 Α相似, 具有一定抑制神经元损伤作用, 但这种作用未显示 出剂量依赖关系。 Fx-oil具有神经保护作用, 而且有一定的剂量依赖性, 呈 现出随药物浓度增高保护作用增强的趋势。 对 3种药物进行比较, 在对细 胞存活率的影响上来看, 药物的神经保护作用: 对照品 A > Fx-oil > Fx-powder„ 药物对照组与 Control组没有显著性差异。 1 不同药物处置对 Αβ25损伤神经元存活率的影响
Figure imgf000013_0001
与 Control比, : 7<0.01; 与 Ivfodd比, _p<0.05, ' ·:■ p<0:01„
2 药物对 SOD活力影响
SOD活力的高低可以间接反映机体清除氧自由基的能力,检测对照品 A ( A )以及其粗提物 Fx-01粉 ( Fx-powder )和 Fx-01油 ( Fx-o i l )对 A β 2535 诱导的大鼠大脑皮质神经元细胞模型培养液中 SOD活力的影响, 结果见表 2。 结果显示, 0 25-35处置后, 细胞培养液中 SOD活力有所下降, 但不存在 显著性差异, 而各药物对造模后的神经元 SOD活力均具有一定的提高作用, 并显示出一定的剂量依赖性,呈现出随药物浓度增高 SOD活力增强的趋势。
表 2 不同药物处置对 Α β 25_35损伤神经元培养液中 SOD活力的影响
Figure imgf000014_0001
3 药物对 GSH-PX活力影响
检测对照品 A ( A ) 以及其粗提物 Fx-01粉(Fx-powder ) 和 Fx-01油 ( Fx-oil )对 Αβ25诱导的大鼠大脑皮质神经元细胞模型培养液中 GSH-PX 活力的影响, 结果见表 3。 结果显示, Αβ25对神经元的损伤可以导致 GSH-PX活力的显著下降(/?<0.05 ) , 而 3种药物均对 GSH-PX有一定的 提高作用, 但是, 与模型比没有显著性差异, 而且未显示出剂量依赖关系。 表 3 不同药物处置对 Αβ25_35损伤神经元培养液中 GSH-PX活力的影响
Figure imgf000014_0002
注: 与 Cont ro l比, #: 05 4 药物对总抗氧化能力 (T-AOC ) 的影响
总抗氧化能力 (T-AOC ) 测定可以评价体系中的总抗氧化物质抗氧化 能力的高低。 检测对照品 A ( A ) 以及其粗提物 Fx-01粉(Fx-powder ) 和 Fx-01油 (Fx-oil )对 Αβ2^35诱导的大鼠大脑皮质神经元细胞模型培养液中 T-AOC的影响, 结果见表 4。 结果显示, Αβ25对神经元的损伤可以导致 培养液中的抗氧化物质总抗氧化能力的显著下降(/?<0.05 ) , 而 3 种药物 均对总抗氧化能力有一定的提高作用, Fx-powder呈现出随药物浓度增高保 护作用增强的趋势; 但是, A 与 Fx-oil虽然也有提高总抗氧化能力的作用, 却未显示出剂量依赖关系。
表 4 不同药物处置对 Αβ25_35损伤神经元培养液总抗氧化能力的影响
Figure imgf000015_0001
注: 与 Cont ro l比, *: p< 0. 05 ; 与 Mode l比, ': p < 0. 05 , ": / 0. 01
5 药物对 MDA含量的影响
机体通过酶系统与非酶系统产生氧自由基, 后者能够攻击生物膜中的 多不饱和脂肪酸, 引发脂质过氧化作用, 并因此形成脂质过氧化物, 如 MDA。 因此, MDA的量可以反映机体内脂质过氧化的程度, 由此间接反 映出细胞受自由基攻击的损伤程度。检测对照品 A( A )以及其粗提物 Fx-01 粉(Fx-powder ) 和 Fx-01 油 (Fx-oil )对 Αβ25-35诱导的大鼠大脑皮质神经 元细胞模型培养液中 MDA 含量的影响, 结果见表 5。 结果显示, Αβ25 对神经元的损伤使培养液中的 MDA含量略有增加。 Fx-powder可以显著降 低损伤神经元培养液中 MDA 的含量, 并具有剂量依赖关系, 随药物浓度 增加保护作用增强; Fx-oil也具有这种保护神经元细胞氧化损伤的作用,但 剂量依赖关系不明显; 对照品 A在低剂量时显示出了一定保护作用, 但是 中、 高剂量时这种作用似乎被反转, MDA含量反而有所增加, 但与 Model 比, 没有统计学差异。 总之, 综合以上 4个氧化损伤相关指标的检测, 结果显示 3种药物都 具有一定的抗氧化损伤的作用, 表现在实验体系中清除过氧化物相关酶活 性和总抗氧化能力的增强以及过氧化损伤产物的减少。
表 5 不同药物处置对 Αβ25_35损伤神经元培养液中 MDA含量的影响
Figure imgf000016_0001
注: 与 Mode l比, ': p < 0. 05 , " : p< 0. 0 L
6 神经元形态学检测
形态学检测结果见图 1。 正常对照组多为蓝色的正常细胞, 有少数亮 蓝色的凋亡细胞, 未见坏死细胞。 模型组亮蓝色的凋亡细胞明显增加, 并 出现亮红色的坏死细胞。 Fx-powder 0.39 g/ml组凋亡和坏死细胞减少, 0.78 g/ml组凋亡细胞减少、 坏死细胞未见减少, 1.56 g/ml组坏死细胞减少; 但没有剂量依赖性。 Fx-oil 0.39 g/ml组和 0.78 g/ml组凋亡细胞减少, 1.56 g/ml组坏死细胞和凋亡细胞均减少; Fx-oil呈现出一定的剂量依赖性。 A 0.39 g/ml组坏死细胞有所减少, 0.78 g/ml组和 1.56 g/ml组凋亡细胞和 坏死细胞减少; A有一定的剂量依赖关系。 三种药物比较, A的效果最好, Fx-oil和 Fx-powder次之。
(三)结论
1对照品 A以及其粗提物 Fx-01粉和 Fx-01油均具有一定的与神经退行 性疾病相关的神经保护作用, 可能具有改善记忆活性;
2 三种药物神经保护作用比较,对照品 A最好, Fx-01油和 Fx-01粉次 之;
3 三种药物都具有一定的抗氧化损伤的作用。
实施例 2 体内药理实验
1 材料与方法
1.1 材料 岩藻黄素纯品由我公司 自制, 推荐小鼠日服量为相当于 人体日服剂量 4 mg, 昆明种雄性小白鼠, 6 ~ 8 周龄、 体重 18 ~ 22g。
1.2 剂量与分组 以人体日服剂量 4 mg岩藻黄素纯品作为一个剂量 组, 转化成小鼠日服剂量, 并设空白对照组。
1.3 动物实验室设置 动物实验室为 SPF 级。 条件为室温 22 ±2 °C , 湿度 60 % ~ 80 %。
1.4 仪器 跳台仪、 避暗仪。
1.5 方法
1.51 跳台试验 选用雄性小鼠 20 只, 体重 18 ~ 22g, 随机分为空白 对照组和给药组, 给药组每天灌胃给予岩藻黄素纯品, 连续给样 30天后进 行跳台训练。 将动物放入反应箱内适应 3min , 立即通以 36 伏交流电, 动物 的正常反应是跳回到绝缘平台上。 多数动物可能再次或多次跳至铜栅上,受 到电击又迅速跳回平台。训练一次后, 将动物放在反应箱内的平台上, 记录 5min 内每鼠受到电击的次数 (错误次数), 以此作为学习成绩。 24h 后重测 验, 记录受电击的动物数、 第一次跳下平台的潜伏期和 3min 内的错误次 数。
1.52 避暗试验 动物选择, 试验分组, 给受试物的剂量、 途径、 时 间均同跳台试验, 连续给样 30d 后开始进行避暗训练。 实验时将小鼠面部 背向洞口放入明室, 同时启动计时器, 动物穿过洞口进入暗室受到电击,计 时器停止, 取出小鼠, 记录每鼠从放入明室至进入暗室内遭电击所需的时 间,即潜伏期。 24h后同一时间, 进行重复测验, 记录每鼠进入暗室的潜伏 期、 5min内的错误次数和进入暗室的动物数。
1.6 数据处理 所得数据采用 SPSS 1010 统计软件包进行统计处理 统计方法采用方差分析和 χ2 检验。
2 结果
2.1 跳台实验 由下表可见, 经口给予小鼠岩藻黄素纯品的给药组
30d, 记忆获得(训练) 过程中,平均错误次数少于对照组, 差异有显著性; 重复测验过程中, 给药组跳下平台的潜伏期长于对照组, 平均错误次数少 于对照组, 错误反应率低于对照组, 差异亦有显著性(Ρ < 0.05) 。 岩藻黄素对小鼠记忆获得的影响 (跳台法)
Figure imgf000018_0001
注: ' 表示与空白对照组比较, Ρ 0. 05 表示 " < 0. 01。
2.2 避暗实验 由下表可见,结果可见, 给予小鼠岩藻黄素纯品 30d , 给药组的平均潜伏期长于对照组,平均错误次数低于对照组,差异有显著性 ( P < 0. 05) 。
表 7 岩藻黄素对小鼠记忆获得的影响(避暗法)
Figure imgf000018_0002
注: ' 表示与空白对照组比较, P 0. 05 ,"表示 < 0. 01。
3讨论
药理实验结果显示, 在跳台试验和避暗试验中, 给药组动物记忆获得 的错误反应潜伏期延长, 错误次数、 错误反应率降低, 与对照组比较, 差异 具显著性。 表明岩藻黄素具有改善记忆的功能。 岩藻黄素作为保健品, 在 增进健康及预防疾病方面能起到很重要的作用, 包括增进大脑发育及记忆 力。
实施例 3 材料与方法
1.1 材料 昆明种雄性小白鼠, 6 ~ 8 周龄、 体重 18 ~ 22g。
1.2 剂量与分组 按照表 16的配方, 并设空白对照组。
1.3 动物实验室设置 动物实验室为 SPF 级。 条件为室温 22 ±2 °C , 湿度 60 % ~ 80 %。
1.4 仪器 跳台仪、 避暗仪。
1.5 方法同实施例 2
1.7 数据处理 所得数据采用方法同实施例 2。
2 结果
2.1 跳台实验 由下表可见, 经口给予小鼠按照表 16的配方的给药组 30d, 记忆获得(训练) 过程中,平均错误次数少于对照组, 差异有显著性; 重复测验过程中, 给药组跳下平台的潜伏期长于对照组, 平均错误次数少 于对照组, 错误反应率低于对照组, 差异亦有显著性(Ρ < 0.05) 。
表 16配方对小鼠记忆获得的影响 (跳台法)
Figure imgf000019_0001
注: ' 表示与空白对照组比较, P 0. 05 ,"表示 < 0. 01。
3.2 避暗实验 由下表可见,结果可见, 经口给予小鼠按照表 16的配方 的给药组 30d,给药组的平均潜伏期长于对照组,平均错误次数低于对照组, 差异有显著性 < 0. 05)。
表 9 表 14配方对小鼠记忆获得的影响(避暗法)
Figure imgf000019_0002
注: ' 表示与空白对照组比较, P 0. 05 ,"表示 < 0. 01。
4讨论
药理实验结果显示, 在跳台试验和避暗试验中, 给药组动物记忆获得 的错误反应潜伏期延长, 错误次数、 错误反应率降低, 与对照组比较, 差异 具显著性。 表明含岩藻黄素的配方具有改善记忆的功能, 其作为药品和保 健品, 在增进健康及预防疾病方面能起到很重要的作用, 包括增进大脑发 育及记忆力。
实施例 4 含有岩藻黄素提取物 (含岩藻黄素 95% )制成的硬胶嚢(表 8 ) 。
表 10.
组分 含量
岩藻黄素 2 mg
4艮杏提取物 98mg 变性淀粉 200 mg 对于阿尔茨海默症的人群服用方法是: 1天服用 1-2次, 每次 1-2粒。
实施例 5 含有岩藻黄素提取物 (含岩藻黄素 60% )制成的薄膜包衣片 (表
9 ) 。
表 11.
组分 兮里
岩藻黄素 15 mg
大豆卵磷脂 55 mg
迷迭香提取物 50 mg 微晶纤维素 60 mg
淀粉 110 mg
羧甲基纤维素钠 2 mg
柠檬黄 3 mg
二氧化钛 5 mg
对于阿尔茨海默症的人群服用方法是: 1天服用 1次, 每次 1粒。
实施例 6 含有岩藻黄素提取物制成的软胶嚢(含岩藻黄素 0.1% ) (表 10 ) 。
表 12.
组 含量 岩藻黄素提取物 100 mg 磷脂丝氨酸 100 mg 氢 4匕大豆油 50 mg 黄蜡 50 mg 大豆油 200 mg 对于阿尔茨海默症的人群服用方法是: 1天服用 2次, 每次 1-2粒。
实施例 7 含有岩藻黄素提取物 (含岩藻黄素 10% )制成的软胶嚢(表 1 1 ) 。 表 13.
组分 兮里 岩藻黄素提取物 50 mg 鱼油 50 mg 氢 4匕大豆油 50 mg 黄蜡 50 mg 大豆油 200 mg 对于阿尔茨海默症的人群服用方法是: 1天服用 2次, 每次 1-2粒。 实施例 8 含有岩藻黄素提取物(含岩藻黄素 100% )制成的硬胶嚢 表 14.
组分 兮里
岩藻黄素提取物 4 mg
二十二碳六烯酸 (DHA) 20mg
变性淀粉 200 mg 对于阿尔茨海默症的人群服用方法是: 1天服用 1-2次, 每次 1-2粒 实施例 9 含有岩藻黄素提取物(含岩藻黄素 0.1% )制成的软胶嚢 表 15.
组分 兮里 岩藻黄素提取物 50 mg
Omega-3 50 mg 氢 4匕大豆油 50 mg 黄蜡 50 mg 大豆油 200 mg 对于阿尔茨海默症的人群服用方法是: 1天服用 2次, 每次 1-2粒。 实施例 10 含有岩藻黄素 1%油制成的软胶嚢 (表 14 ) 表 16.
Figure imgf000022_0001
含量 岩藻黄素 1%油 25 mg 共轭亚油酸(CLA) 450 mg 大豆油 25 mg 对于阿尔茨海默症的人群服用方法是: 1天服用 2次, 每次 2粒 实施例 11 含岩藻黄素 60%的岩藻黄素提取物制成的软胶嚢
表 17.
Figure imgf000022_0002
含量 岩藻黄素提取物 3 mg 共轭亚油酸(CLA) 90 mg 卵磷脂 50 mg 银杏提取物 50 mg 二十二碳六烯酸 (DHA) 20 mg 磷脂丝氨酸 50 mg 大豆油 35 mg
对于阿尔茨海默症的人群服用方法是: 1天服用 2次, 每次 1 -2粒。 实施例 12 由 100%岩藻黄素提取物制成的微丸
表 18.
Figure imgf000022_0003
含量 岩藻黄素提取物 20 mg 实施例 13 由 90%岩藻黄素提取物制成的微丸
表 19·
组分 含量 岩藻黄素提取物 15 mg
可以理解, 为了解释本发明的本质,在不偏离本发明如以下权利要求所表 达的原则和范围的情况下, 本领域普通技术人员可以对已经在这里描述的详 情、 材料、 以及配方作出各种改变。

Claims

权利要求书
途, 其中, 所述产品包括食品、 保健品和药品。
2. 根据权利要求 1 所述的用途, 其中, 所述神经退行性疾病包括阿尔茨 海默病, 帕金森氏症, 亨廷顿舞蹈症。
3. 根据权利要求 2所述的用途, 其中, 所述产品进一步包括改善记忆力 的作用。
4. 根据权利要求 1 所述岩藻黄素的用途, 其中, 所述岩藻黄素来源包括 植物来源、 微生物来源、 或合成的化合物来源。
5. 根据权利要求 4 所述岩藻黄素的用途, 其中, 所述岩藻黄素的植物来 源是海藻, 选自由海带、 马尾藻、 墨角藻、 鵝肠菜、 嚢藻、 绳藻、 裙 带菜、 巨藻、 鹿角菜、 海黍子、 羊栖菜、 海蒿子和硅藻组成的组。
6. 根据权利要求 1 所述岩藻黄素的用途, 其中, 所述岩藻黄素在所述产 品中的含量在 0.0001%-60%之间。
7. 根据权利要求 1 所述岩藻黄素的用途, 其中, 所述岩藻黄素在所述产 品中的含量在 0.0001%- 10%之间。
8. 根据权利要求 1 所述岩藻黄素的用途, 其中, 所述岩藻黄素在岩藻黄 素提取物中的含量在 90-100%之间。
9. 根据权利要求 1 所述岩藻黄素的用途, 其中, 所述岩藻黄素在岩藻黄 素提取物中的含量在 95-100%之间。
10. 根据权利要求 1-3 所述岩藻黄素的用途, 其中, 受试对象每日服用的 岩藻黄素有效成分为 0.001 mg-20 mg。
11. 根据权利要求 1-3 所述岩藻黄素的用途, 其中, 受试对象每日服用的 岩藻黄素有效成分为 0.001 mg -10 mg。
12. 根据权利要求 1 所述岩藻黄素的用途, 其中, 所述产品含预防或治疗 神经退行性疾病的有效剂量的岩藻黄素。 品中含有岩藻黄素。
14. 根据权利要求 13 所述的产品, 其中, 所述产品包括食品、 保健品和 药品。 品, 其中, 所述岩藻黄素来源包括植物来源、 微生物来源、 或合成的 化合物来源。 产品, 其中, 所述岩藻黄素在所述产品中的含量在 0.0001%-60%之间。 产品, 其中, 所述岩藻黄素在所述产品中的含量在 0.0001%-10%之间。 产品, 其中, 所述岩藻黄素在岩藻黄素提取物中的含量在 90-100%之 间。 产品, 其中, 所述岩藻黄素在岩藻黄素提取物中的含量在 95-100%之 间。
20. 根据权利要求 13 所述的产品, 其中, 所述神经退行性疾病相关包括阿 尔茨海默病, 帕金森氏症, 亨廷顿舞蹈症。
21. 根据权利要求 13所述的产品, 其中, 所述含岩藻黄素的产品, 还包括 天然提取物。
22. 根据权利要求 17所述的产品, 其中, 所述天然提取物, 是选自银杏提 取物,二十二碳六烯酸 (DHA), 磷脂酰丝氨酸,卵磷脂,鱼油, Omega-3 , 共轭亚油酸组成的组。
23. 根据权利要求 13所述的产品,其中,所述岩藻黄素的植物来源是海藻, 选自由海带、 马尾藻、 墨角藻、 鵝肠菜、 嚢藻、 绳藻、 裙带菜、 巨藻、 鹿角菜、 海黍子、 羊栖菜、 海蒿子和硅藻组成的组。
24. 根据权利要求 13-15 所述的产品, 其中, 受试对象每日服用的有效剂 量的岩藻黄素为 0.001 mg-20 mg。
25. 根据权利要求 13-15 所述的产品, 其中, 受试对象每日服用的有效剂 量的岩藻黄素为 0.001 mg-10 mg。
26. 根据权利要求 13所述的产品在改善记忆力方面的用途。
PCT/CN2010/077542 2010-09-30 2010-09-30 岩藻黄素在制备与神经退行性疾病相关的神经保护作用以及改善记忆的产品中的应用 WO2012040938A1 (zh)

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CN117180256A (zh) * 2023-07-17 2023-12-08 德默特生物科技(珠海)有限公司 岩藻黄素在制备改善心肌梗死后心肌结构重构和电生理重构药物中的应用
CN117180256B (zh) * 2023-07-17 2024-03-08 德默特生物科技(珠海)有限公司 岩藻黄素在制备改善心肌梗死后心肌结构重构和电生理重构药物中的应用

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