WO2020259487A1 - 一种丝素载药纳米微囊的制备方法及产品 - Google Patents
一种丝素载药纳米微囊的制备方法及产品 Download PDFInfo
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- WO2020259487A1 WO2020259487A1 PCT/CN2020/097676 CN2020097676W WO2020259487A1 WO 2020259487 A1 WO2020259487 A1 WO 2020259487A1 CN 2020097676 W CN2020097676 W CN 2020097676W WO 2020259487 A1 WO2020259487 A1 WO 2020259487A1
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- Prior art keywords
- silk fibroin
- drug
- microspheres
- aminopropyltriethoxysilane
- loaded
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
- A61K31/7034—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
- A61K31/704—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/51—Nanocapsules; Nanoparticles
- A61K9/5107—Excipients; Inactive ingredients
- A61K9/513—Organic macromolecular compounds; Dendrimers
- A61K9/5169—Proteins, e.g. albumin, gelatin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/51—Nanocapsules; Nanoparticles
- A61K9/5192—Processes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
Definitions
- the invention belongs to the field of biotechnology, and specifically relates to a preparation method and product of silk fibroin drug-loaded nanocapsules.
- the present invention also provides a silk fibroin drug-loaded nanocapsule, which is prepared by the preparation method described in any of the above technical solutions.
- Example 2 is a scanning electron microscope picture of the morphology of the silk fibroin drug-loaded nanocapsules prepared in Example 1.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nanotechnology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Abstract
Description
Claims (9)
- 一种丝素载药纳米微囊的制备方法,其特征在于,包括:利用丝素蛋白和3-氨丙基三乙氧基硅烷对功能修饰的聚苯乙烯微球进行交替逐层包覆处理,最终得到多层结构的带有负电势或正电势的包覆聚苯乙烯复合体,最后利用去模板试剂去除功能修饰的聚苯乙烯模板,得到丝素载药纳米微囊;所述功能修饰的聚苯乙烯微球为正电势微球,首次包覆采用丝素蛋白,如果是负电势微球,首次处理采用3-氨丙基三乙氧基硅烷。
- 根据权利要求1所述的丝素载药纳米微囊的制备方法,其特征在于,利用丝素蛋白进行包覆处理的步骤为:将待包覆的聚苯乙烯微球置于丝素蛋白水溶液中,分散均匀,然后置于0~10℃继续反应5~50min,包覆完成,其中丝素蛋白水溶液的浓度为1~10mg/mL。
- 根据权利要求1所述的丝素载药纳米微囊的制备方法,其特征在于,利用3-氨丙基三乙氧基硅烷进行包覆处理的步骤为:将待包覆的聚苯乙烯微球与3-氨丙基三乙氧基硅烷在溶剂中混合均匀,然后置于0~10℃继续反应5~50min,反应完成,去除溶剂完成包覆。
- 根据权利要求1所述的丝素载药纳米微囊的制备方法,其特征在于,所述功能修饰的聚苯乙烯微球包括表面修饰为氨基化正电势修饰或者羧基化负电势修饰,聚苯乙烯微球的直径为0.05~0.5μm。
- 根据权利要求1所述的丝素载药纳米微囊的制备方法,其特征在于,经过丝素蛋白包覆处理后的微球表面为负电势,经过3-氨丙基三乙氧基硅烷包覆处理后的微球表面为正电势。
- 根据权利要求1所述的丝素载药纳米微囊的制备方法,其特征在于,针对10mg的功能修饰的聚苯乙烯微球:每次进行丝素蛋白包覆时,需要的丝素蛋白的质量为1~20mg;每次进行3-氨丙基三乙氧基硅烷包覆时,需要的3-氨丙基三乙氧基硅烷的质量为1~5mg。
- 根据权利要求1所述的丝素载药纳米微囊的制备方法,其特征在于,以包覆完成一次丝素蛋白和3-氨丙基三乙氧基硅烷或者包覆完成一次3-氨丙基三乙氧基硅烷和丝素蛋白为一层,总层数为3~15层。
- 一种丝素载药纳米微囊,其特征在于,由所述权利要求1~7任一项所述的制备方法制备得到。
- 根据权利要求8所述的丝素载药纳米微囊,其特征在于,装载正电势分子药物时,采用最后一次包覆处理为丝素蛋白的表面为负电势的丝素载药纳米微囊;装载负电势的分子药物、质粒、DNA进行装载时,采用采用最后一次包覆处理为3-氨丙基三乙氧基硅烷的表面为正电势的丝素载药纳米微囊。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/622,759 US20220273580A1 (en) | 2019-06-26 | 2020-06-23 | Method for preparing drug-loaded silk fibroin nanocapsule, and product thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910558742.9 | 2019-06-26 | ||
| CN201910558742.9A CN110327307B (zh) | 2019-06-26 | 2019-06-26 | 一种丝素载药纳米微囊的制备方法及产品 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020259487A1 true WO2020259487A1 (zh) | 2020-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2020/097676 Ceased WO2020259487A1 (zh) | 2019-06-26 | 2020-06-23 | 一种丝素载药纳米微囊的制备方法及产品 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20220273580A1 (zh) |
| CN (1) | CN110327307B (zh) |
| WO (1) | WO2020259487A1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110327307B (zh) * | 2019-06-26 | 2020-06-23 | 浙江大学 | 一种丝素载药纳米微囊的制备方法及产品 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011041395A2 (en) * | 2009-09-29 | 2011-04-07 | Trustees Of Tufts College | Silk nanospheres and microspheres and methods of making same |
| CN103768038A (zh) * | 2014-02-26 | 2014-05-07 | 中国医学科学院生物医学工程研究所 | 丝素蛋白单组分微囊、丝素蛋白-纳米金杂化微囊及其制备方法 |
| CN105963275A (zh) * | 2016-05-31 | 2016-09-28 | 中国医学科学院生物医学工程研究所 | 壳层可控的丝素蛋白微囊及制备方法 |
| CN106492270A (zh) * | 2016-11-28 | 2017-03-15 | 哈尔滨工业大学 | 一种用于镁合金与丝素蛋白之间连接的方法 |
| CN110327307A (zh) * | 2019-06-26 | 2019-10-15 | 浙江大学 | 一种丝素载药纳米微囊的制备方法及产品 |
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| US7101575B2 (en) * | 1998-03-19 | 2006-09-05 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. | Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly |
| CN1243059C (zh) * | 2004-03-04 | 2006-02-22 | 苏州大学 | 纳米丝素颗粒的制造方法 |
| CN1288193C (zh) * | 2004-03-10 | 2006-12-06 | 复旦大学 | 蚕丝蛋白纳米微球及其制备方法 |
| WO2006037160A1 (en) * | 2004-10-05 | 2006-04-13 | The University Of Melbourne | Porous polyelectrolyte materials |
| US20100028451A1 (en) * | 2006-09-26 | 2010-02-04 | Trustees Of Tufts College | Silk microspheres for encapsulation and controlled release |
| US20100059963A1 (en) * | 2008-09-05 | 2010-03-11 | Cheng-Chen Liao | Dual-drive bicycle |
| WO2013151665A2 (en) * | 2012-04-02 | 2013-10-10 | modeRNA Therapeutics | Modified polynucleotides for the production of proteins associated with human disease |
| CN103965310A (zh) * | 2014-04-21 | 2014-08-06 | 浙江大学 | 一种制备丝素微球的自组装方法 |
| CN103964446A (zh) * | 2014-05-07 | 2014-08-06 | 浙江大学 | 一种利用丝素为模板制备硅纳米微管的方法 |
| CN104434812A (zh) * | 2014-11-12 | 2015-03-25 | 苏州大学 | 一种柞蚕丝素蛋白阿霉素缓释微球及其制备方法 |
| CN110088281A (zh) * | 2016-08-03 | 2019-08-02 | 特韦斯特生物科学公司 | 用于多核苷酸合成的纹理化表面 |
| CN106592012B (zh) * | 2016-12-06 | 2019-02-19 | 宁波芸生纺织品科技有限公司 | 一种生物纤维材料及其制备方法 |
| CN108245677B (zh) * | 2016-12-27 | 2021-04-02 | 中国科学院理化技术研究所 | 一种水溶性竹红菌素纳米组装体的应用 |
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2019
- 2019-06-26 CN CN201910558742.9A patent/CN110327307B/zh active Active
-
2020
- 2020-06-23 US US17/622,759 patent/US20220273580A1/en active Pending
- 2020-06-23 WO PCT/CN2020/097676 patent/WO2020259487A1/zh not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| US20220273580A1 (en) | 2022-09-01 |
| CN110327307A (zh) | 2019-10-15 |
| CN110327307B (zh) | 2020-06-23 |
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