RU2009105696A - N-концевое полисиалилирование - Google Patents
N-концевое полисиалилирование Download PDFInfo
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- RU2009105696A RU2009105696A RU2009105696/15A RU2009105696A RU2009105696A RU 2009105696 A RU2009105696 A RU 2009105696A RU 2009105696/15 A RU2009105696/15 A RU 2009105696/15A RU 2009105696 A RU2009105696 A RU 2009105696A RU 2009105696 A RU2009105696 A RU 2009105696A
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- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
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- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
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- C07K14/52—Cytokines; Lymphokines; Interferons
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Abstract
1. Композиция, содержащая популяцию полисахаридных производных белка, где белок представляет собой инсулин или подобный инсулину белок, а полисахарид является полисиаловой кислотой и содержит от 20 до 125 единиц сиаловой кислоты, и где популяция состоит в основном только из производных белка, модифицированых на N-конце В-цепи. ! 2. Композиция согласно п.1, где полисиаловая кислота состоит в основном только из единиц сиаловой кислоты. ! 3. Композиция согласно п.1, где инсулин или подобный инсулину белок модифицирован полисахаридом в редуцирующей концевой единице полисахарида. ! 4. Композиция согласно п.2, где полисахаридные производные имеют общую формулу (I): ! ! где ! HNB происходит из B-NH2, что является N-концом В-цепи инсулина или подобного инсулину белка; ! L обозначает связь, соединяющую группу или содержит полипептид или синтетический олигомер; ! GlyO представляет собой единицу сиаловой кислоты; ! причем соединяющая группа, если она присутствует, имеет общую формулу -Y-C(O)-R1-C(O)-; ! где Y представляет собой NR2 или NR2-NR2; R1 представляет собой бифункциональный органический радикал, выбранный из группы, состоящей из алкандиила, арилена, алкарилена, гетероарилена и алкилгетероарилена, любой из которых может быть замещен и/или прерван карбонильной, сложно-эфирной, сульфидной, простой эфирной, амидной и/или аминной связями; ! и R2 представляет собой Н или C1-6алкил. ! 5. Композиция согласно п.4, где L обозначает связь или группу . ! 6. Композиция согласно п.2, где полисахарид содержит 20-60 единиц сиаловой кислоты, наиболее предпочтительно 40-50 единиц сиаловой кислоты. ! 7. Композиция согласно п.1, где полидисперсность анионного полисахарида ме�
Claims (15)
1. Композиция, содержащая популяцию полисахаридных производных белка, где белок представляет собой инсулин или подобный инсулину белок, а полисахарид является полисиаловой кислотой и содержит от 20 до 125 единиц сиаловой кислоты, и где популяция состоит в основном только из производных белка, модифицированых на N-конце В-цепи.
2. Композиция согласно п.1, где полисиаловая кислота состоит в основном только из единиц сиаловой кислоты.
3. Композиция согласно п.1, где инсулин или подобный инсулину белок модифицирован полисахаридом в редуцирующей концевой единице полисахарида.
4. Композиция согласно п.2, где полисахаридные производные имеют общую формулу (I):
где
HNB происходит из B-NH2, что является N-концом В-цепи инсулина или подобного инсулину белка;
L обозначает связь, соединяющую группу или содержит полипептид или синтетический олигомер;
GlyO представляет собой единицу сиаловой кислоты;
причем соединяющая группа, если она присутствует, имеет общую формулу -Y-C(O)-R1-C(O)-;
где Y представляет собой NR2 или NR2-NR2; R1 представляет собой бифункциональный органический радикал, выбранный из группы, состоящей из алкандиила, арилена, алкарилена, гетероарилена и алкилгетероарилена, любой из которых может быть замещен и/или прерван карбонильной, сложно-эфирной, сульфидной, простой эфирной, амидной и/или аминной связями;
и R2 представляет собой Н или C1-6алкил.
6. Композиция согласно п.2, где полисахарид содержит 20-60 единиц сиаловой кислоты, наиболее предпочтительно 40-50 единиц сиаловой кислоты.
7. Композиция согласно п.1, где полидисперсность анионного полисахарида меньше 1,3, предпочтительно меньше 1,2, наиболее предпочтительно меньше 1,1.
8. Композиция согласно п.1, которая является фармацевтической композицией и содержит один или более из фармацевтически приемлемых наполнителей.
9. Композиция согласно п.1 для применения в терапии.
10. Способ получения полисахаридного производного инсулина или подобного инсулину белка, где анионный полисахарид, представляющий собой полисиаловую кислоту, содержащую 20-125 единиц сиаловой кислоты, химически реагирует в основном только с N-концевым амином В-цепи инсулина или подобного инсулину белка.
11. Способ согласно п.10, где анионный полисахарид имеет реакционноспособную альдегидную группу, которая реагирует с инсулином или с подобным инсулину белком, и реакцию модификации проводят при восстанавливающих условиях.
12. Способ согласно п.11, где реакционноспособная альдегидная группа находится на нередуцирующем конце полисахарида.
13. Способ согласно п.11, где реакционноспособный альдегид находится на редуцирующем конце полисахарида, а нередуцирующий конец был сделан пассивным, так что он не реагирует с инсулином или с подобным инсулину белком.
14. Способ согласно п.10, где анионный полисахарид или промежуточный продукт реакции взаимодействует с концевой аминогруппой инсулина или подобного инсулину белка в первом водном растворе с кислотным рН в диапазоне 4,0-6,0, и полученное полисахаридное производное очищают во втором водном растворе с более высоким рН, чем у первого водного раствора в диапазоне 6,5-8,5.
15. Способ согласно п.10, который осуществляется в присутствии добавки к рецептуре, предпочтительно фосфата натрия.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06117830.7 | 2006-07-25 | ||
| EP06117830 | 2006-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2009105696A true RU2009105696A (ru) | 2010-08-27 |
| RU2432175C2 RU2432175C2 (ru) | 2011-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2009105696/15A RU2432175C2 (ru) | 2006-07-25 | 2007-07-25 | N-концевое полисиалилирование |
Country Status (10)
| Country | Link |
|---|---|
| US (22) | US8394921B2 (ru) |
| EP (6) | EP2043692B1 (ru) |
| JP (14) | JP5419689B2 (ru) |
| KR (1) | KR101400105B1 (ru) |
| CN (2) | CN101511391B (ru) |
| AT (1) | ATE467642T1 (ru) |
| DE (1) | DE602007006492D1 (ru) |
| ES (5) | ES2581902T3 (ru) |
| RU (1) | RU2432175C2 (ru) |
| WO (4) | WO2008012525A1 (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2472806C1 (ru) * | 2008-10-20 | 2013-01-20 | Юсв Лимитед | Усовершенствованный способ пегилирования белков |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2294535T3 (es) * | 2003-08-12 | 2008-04-01 | Lipoxen Technologies Limited | Derivados del acido polisialico. |
| WO2005016974A1 (en) * | 2003-08-12 | 2005-02-24 | Lipoxen Technologies Limited | Sialic acid derivatives for protein derivatisation and conjugation |
| EP2043692B1 (en) | 2006-07-25 | 2016-05-18 | Lipoxen Technologies Limited | Polysaccharide derivatives of erythropoietin |
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| RU2472806C1 (ru) * | 2008-10-20 | 2013-01-20 | Юсв Лимитед | Усовершенствованный способ пегилирования белков |
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