WO2009127130A1 - 牛膝多肽及生产方法和用途 - Google Patents

牛膝多肽及生产方法和用途 Download PDF

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WO2009127130A1
WO2009127130A1 PCT/CN2009/070410 CN2009070410W WO2009127130A1 WO 2009127130 A1 WO2009127130 A1 WO 2009127130A1 CN 2009070410 W CN2009070410 W CN 2009070410W WO 2009127130 A1 WO2009127130 A1 WO 2009127130A1
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polypeptide
achyranthes
ammonium sulfate
dialysis
supernatant
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顾晓松
丁斐
颖 袁
杨宇民
程琼
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南通大学
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
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    • A61K38/00Medicinal preparations containing peptides

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  • the invention relates to a polypeptide (protein) extracted from a Chinese achyranthes and a method and a method for extracting the same. Background technique
  • Traditional Chinese medicine is a great treasure house of medicine in the motherland. It has the advantages of exact curative effect and small side effects. It is not only accepted by the domestic pharmaceutical industry but also by the world's peers. It has a broad prospect of development and utilization. Traditional Chinese medicine has accumulated a lot of experience in the treatment of nerve damage and neurodegenerative diseases, and has many clinical reports. In recent years, it has also extracted active ingredients with neurotrophic effects from natural plants. However, new Chinese medicines that have been clinically effective in promoting nerve regeneration and preventing neurodegenerative changes are rare and cannot meet the needs of clinical patients.
  • Achyranthes is a plant of the family Polygonaceae, which is medicinally dried. Achyranthes saponins, polysaccharides, glycopeptides, sterols, fluorenones, alkaloids, coumarins, etc. Achyranthes has the functions of nourishing the liver and kidney, strengthening the bones and bones, passing through the sputum, and lowering the blood. It can be used for waist and knee pain, weakness of the muscles, dysmenorrhea, liver yang dizziness and so on. We have previously found that anthrone and polysaccharide in the achyranthes have a role in promoting nerve growth. We have recently discovered that protein extracts from Achyranthes can effectively promote nerve growth and prevent neurodegeneration. Summary of the invention
  • the technical problem solved by the present invention is to provide a achyranthes polypeptide extracted from achyranthes, a production method and use thereof.
  • a achyranthes polypeptide which is obtained by the following method:
  • Achyranthes polypeptide is obtained by the following method:
  • the eluate used in the quaternary linear gradient elution is: (1) 0. lMTris/HCl, pH 6. 0; (2) 0. 1M Tris/Base, ⁇ . 0; (3) lMNaCl, pH 7. 0; (4) HA pH 7.0; The above polypeptide is isolated to obtain Achyranthes polypeptide.
  • a method for producing achyranthes polypeptide comprising the following steps:
  • Achyranthes bidentata polypeptide is used in the preparation of drugs and health products for treating peripheral nerve injury and cerebrovascular accident, ischemic brain injury, brain trauma, optic nerve injury, spinal cord injury, central nervous system injury and anti-aging, preventing and treating neurodegenerative diseases Applications.
  • the achyranthes polypeptide comprises achytridin.
  • the extract of Achyranthes bidentata polypeptide (protein) has the advantages of promoting nerve growth, preventing neuronal apoptosis and promoting nerve regeneration of injury, and has the advantages of single source of medicine, advanced preparation method, reasonable process, clear composition and safety. High, pharmacological effect, can be used to prepare anti-aging, prevention and treatment of neurodegenerative diseases and treatment of peripheral nerve injury and cerebrovascular accident (hemorrhagic stroke), ischemic brain injury (lack Drugs and health care for central nervous system diseases such as bloody stroke, brain trauma, optic nerve injury, and spinal cord injury
  • a traditional Chinese medicine achyranthes (protein) extract is obtained by the following method: The single-flavored medicinal material of Achyranthes bidentata is extracted three times with an aqueous solution, and the extract is combined to obtain Achyranthes aqueous solution.
  • the achyranthes (protein) extract was obtained from the aqueous solution of Achyranthes japonicus by the following methods: (1) Extraction of polypeptide (protein): Astragalus aqueous solution was added with ammonium sulfate at 0 ° C to 8 ° C (preferably at 4 ° C).
  • the eluate used for the quaternary linear gradient elution is: (1) 0. lMTris/HCl, pH 6. 0; (2) 0. lM Tris/Base, ⁇ . 0; (3) lMNaCl, pH 7. 0 (4) H 2 0, pH 7.0;
  • the above polypeptide (protein) is isolated to obtain Achyranthes polypeptide (protein).
  • the achyranthes polypeptide (protein) extract obtained above is used for preparing anti-aging, preventing and treating neurodegenerative diseases such as senile dementia, Parkinson's disease and Parkinson's syndrome, and treating peripheral nerve injury and cerebrovascular accident (hemorrhagic stroke),
  • neurodegenerative diseases such as senile dementia, Parkinson's disease and Parkinson's syndrome
  • peripheral nerve injury and cerebrovascular accident coronavirus disease
  • ischemic stroke ischemic stroke
  • brain trauma optic nerve damage
  • spinal cord injury and other central nervous system diseases.

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Description

牛膝多肽及生产方法和用途 技术领域
本发明涉及一种从中药牛膝中提取的多肽 (蛋白) 及提取方法和用途。 背景技术
随着现代社会的发展, 交通事故、 战争、 自然灾害、 人口老龄化等因素, 使 得神经损伤及神经系统退行性变疾病的发生率呈上升趋势, 寻找促进损伤神经修 复、 预防和治疗神经系统退行性变的有效药物, 是当今医药研究中引人关注的课 题。
中药是祖国医药学的伟大宝库, 具有疗效确切、 毒副作用小的优点, 不仅受 到国内医药界也受到世界同行的重视, 它确有着开发利用的广泛前景。 中药治疗 神经损伤、 神经退行性疾病已积有许多经验, 并有较多的临床报道, 近年也相继 从天然植物中提取出具有神经营养作用的有效成分。 但迄今在临床上可有效促进 神经再生、 防治神经退行性变的中药新药却并不多见, 尚不能满足临床患者的需 要。
牛膝为苋科植物, 药用其干燥根。 牛膝含皂甙、 多糖、 糖肽、 甾醇、 甾酮、 生物碱、 香豆素等。 牛膝具有补肝肾, 强筋骨, 逐瘀通经, 引血下行之功效, 可 用腰膝酸痛、 筋骨无力、 经闭症瘕、 肝阳眩晕等。 我们先前已经发现牛膝中的甾 酮、 多糖具有促进神经生长的作用。 我们最近又发现牛膝的蛋白提取物可有效促 进神经生长、 防止神经退行性变。 发明内容
本发明所解决的技术问题是提供一种从牛膝中提取的牛膝多肽及生产方法和 用途。
本发明的技术解决方案是:
一种牛膝多肽, 采用下列方法制得:
A: 多肽的提取: 牛膝水溶液于 0°C〜8°C加硫酸铵至 50%, 离心, 离心后的上 清液继续于 0°C〜8°C加硫酸铵至 80%,再离心,将沉淀移至截留最小分子量为 1000 的透析袋中, 纯水透析, 透析后冷冻干燥; B:多肽的分离:利用二乙基氨基乙基制备柱及四元线形梯度洗脱将上述蛋白 进行分离, 得到牛膝多肽。
作为本发明的一种优选方案, 牛膝多肽采用下列方法制得:
A: 多肽的提取: 牛膝水溶液于 4°C加硫酸铵至 50%, 15000rpm离心半小时, 离心后的上清液继续于 4°C加硫酸铵至 80%, 15000rpm离心半小时, 将沉淀移至 截留最小分子量为 1000的透析袋中, 纯水透析, 透析后冷冻干燥;
B : 多肽的分离: 所述的四元线性梯度洗脱所用的洗脱液依次为: (1 ) 0. lMTris/HCl, pH6. 0 ; ( 2) 0. 1M Tris/Base, ρΗΙΟ. 0 ; ( 3) lMNaCl, pH7. 0 ; (4) HA pH7. 0; 将上述多肽进行分离, 得到牛膝多肽。
一种牛膝多肽的生产方法, 包括下列步骤:
A: 多肽的提取: 牛膝水溶液于 0°C〜8°C加硫酸铵至 50%, 离心, 离心后的上 清液继续于 0°C〜8°C加硫酸铵至 80%,再离心,将沉淀移至截留最小分子量为 1000 的透析袋中, 纯水透析, 透析后冷冻干燥;
B:多肽的分离:利用二乙基氨基乙基制备柱及四元线形梯度洗脱将上述蛋白 进行分离, 得到牛膝多肽。
作为本发明中牛膝多肽的生产方法的优选方案, 包括下列步骤:
A: 多肽的提取: 牛膝水溶液于 4°C加硫酸铵至 50%, 15000rpm离心半小时, 离心后的上清液继续于 4°C加硫酸铵至 80%, 15000rpm离心半小时, 将沉淀移至 截留最小分子量为 1000的透析袋中, 纯水透析, 透析后冷冻干燥;
B : 多肽的分离: 所述的四元线性梯度洗脱所用的洗脱液依次为: (1 )
0. lMTris/HCl, pH6. 0; ( 2) 0. 1M Tris/Base, ρΗΙΟ. 0 ; ( 3) lMNaCl, pH7. 0 ; (4) H20, pH7. 0; 将上述多肽进行分离, 得到牛膝多肽。
一种牛膝多肽在制备治疗周围神经损伤和脑血管意外、 缺血性脑损伤、 脑创 伤、 视神经损伤、 脊髓损伤、 中枢神经损伤及抗衰老、 防治神经退行性变疾病的 药物和保健品中的应用。
所述牛膝多肽包括牛膝蛋白。
本发明涉及的提取物牛膝多肽 (蛋白) 经实验证明具有促进神经生长、 防止 神经元凋亡、 促进损伤神经再生作用, 其药材来源单一, 制备方法先进, 工艺合 理, 制剂成分明确, 安全性高, 药理作用显著, 可用于制备抗衰老、 防治神经退 行性变疾病及治疗周围神经损伤和脑血管意外(出血性中风)、缺血性脑损伤(缺 血性中风)、脑创伤、视神经损伤、脊髓损伤等中枢神经损伤性疾病的药物和保健
具体实施方式
下面结合实施例对本发明作进一步说明。
一种中药牛膝(蛋白)提取物, 采用下列方法获得: 将单味药材怀牛膝饮片, 用水溶液提取 3次, 合并提取液得牛膝水溶液液。 再采用下列方法从牛膝水溶液 获得牛膝(蛋白)提取物: ( 1 )多肽(蛋白)的提取: 牛膝水溶液于 0°C〜8°C (最 好于 4°C )加硫酸铵至 50%, 15000rpm离心半小时, 离心后的上清液继续于 0°C〜 8°C (最好于 4°C ) 加硫酸铵至 80%, 15000rpm离心半小时, 将沉淀移至截留最 小分子量为 1000的透析袋中, 纯水透析, 透析后冷冻干燥。 (2)多肽(蛋白) 的 分离: 利用二乙基氨基乙基(DEAE)制备柱及四元线形梯度洗脱; 将上述多肽(蛋 白)进行分离, 得到牛膝多肽(蛋白)。其中四元线性梯度洗脱所用的洗脱液依次 为:(1 ) 0. lMTris/HCl, pH6. 0; ( 2) 0. lM Tris/Base, ρΗΙΟ. 0 ; ( 3) lMNaCl, pH7. 0 ; (4) H20, pH7. 0; 将上述多肽(蛋白)进行分离, 得到牛膝多肽(蛋白)。
上述得到的牛膝多肽 (蛋白) 提取物在制备抗衰老、 防治神经退行性变疾病 如老年性痴呆、 帕金森病及帕金森综合症及治疗周围神经损伤和脑血管意外 (出 血性中风)、 缺血性脑损伤 (缺血性中风)、 脑创伤、 视神经损伤、 脊髓损伤等中 枢神经损伤性疾病的药物和保健品中的应用。

Claims

权 利 要 求
1、 一种牛膝多肽, 其特征是: 采用下列方法制得:
A: 多肽的提取: 牛膝水溶液于 0°C〜8°C加硫酸铵至 50%, 离心, 离心后的上 清液继续于 0°C〜8°C加硫酸铵至 80%,再离心,将沉淀移至截留最小分子量为 1000 的透析袋中, 纯水透析, 透析后冷冻干燥;
B:多肽的分离:利用二乙基氨基乙基制备柱及四元线形梯度洗脱将上述蛋白 进行分离, 得到牛膝多肽。
2、 根据权利要求 1所述的一种牛膝多肽, 其特征是: 采用下列方法制得: A: 多肽的提取: 牛膝水溶液于 4°C加硫酸铵至 50%, 15000rpm离心半小时, 离心后的上清液继续于 4°C加硫酸铵至 80%, 15000rpm离心半小时, 将沉淀移至 截留最小分子量为 1000的透析袋中, 纯水透析, 透析后冷冻干燥;
B : 多肽的分离: 所述的四元线性梯度洗脱所用的洗脱液依次为: (1 ) 0. lMTris/HCl, pH6. 0; ( 2) 0. lM Tris/Base, ρΗΙΟ. 0 ; ( 3) lMNaCl, pH7. 0 ; (4) H20, pH7. 0; 将上述多肽进行分离, 得到牛膝多肽。
3、 根据权利要求 1所述的牛膝多肽的生产方法, 其特征是: 包括下列步骤:
A: 多肽的提取: 牛膝水溶液于 0°C〜8°C加硫酸铵至 50%, 离心, 离心后的上 清液继续于 0°C〜8°C加硫酸铵至 80%,再离心,将沉淀移至截留最小分子量为 1000 的透析袋中, 纯水透析, 透析后冷冻干燥;
B:多肽的分离:利用二乙基氨基乙基制备柱及四元线形梯度洗脱将上述蛋白 进行分离, 得到牛膝多肽。
4、 根据权利要求 3所述的牛膝多肽的生产方法, 其特征是: 包括下列步骤: A: 多肽的提取: 牛膝水溶液于 4°C加硫酸铵至 50%, 15000rpm离心半小时, 离心后的上清液继续于 4°C加硫酸铵至 80%, 15000rpm离心半小时, 将沉淀移至 截留最小分子量为 1000的透析袋中, 纯水透析, 透析后冷冻干燥;
B : 多肽的分离: 所述的四元线性梯度洗脱所用的洗脱液依次为: (1 )
0. lMTris/HCl, pH6. 0; ( 2) 0. lM Tris/Base, ρΗΙΟ. 0 ; ( 3) lMNaCl, pH7. 0 ; (4) HA pH7. 0; 将上述多肽进行分离, 得到牛膝多肽。
5、一种牛膝多肽在制备治疗周围神经损伤和脑血管意外、缺血性脑损伤、脑 创伤、 视神经损伤、 脊髓损伤、 中枢神经损伤及抗衰老、 防治神经退行性变疾病 的药物和保健品中的应用。
PCT/CN2009/070410 2008-04-18 2009-02-12 牛膝多肽及生产方法和用途 WO2009127130A1 (zh)

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CN113288996A (zh) * 2021-06-01 2021-08-24 尧舜泽生物医药(南京)有限公司 牛膝多肽在帕金森疾病中的应用

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CN101270147A (zh) * 2008-04-18 2008-09-24 南通大学 牛膝多肽及生产方法和用途
CN104083420B (zh) * 2013-04-01 2018-06-19 南通大学 牛膝活性提取物及其制备方法与用途
CN109836473A (zh) * 2017-11-24 2019-06-04 中国科学院大连化学物理研究所 一种牛膝中提取和分离的牛膝多肽单体及其制备和应用
CN107802538B (zh) * 2017-11-29 2020-12-04 广东芭薇生物科技股份有限公司 一种抗衰老组合物及包含所述组合物的化妆品
CN111346121B (zh) * 2020-04-16 2021-12-10 南通大学 牛膝活性提取物的新用途

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