基本信息:
- 专利标题: METHOD FOR PURIFYING PEGYLATED ERYTHROPOIETIN
- 专利标题(中):纯化聚乙二醇化的方法
- 申请号:PCT/EP2011/065888 申请日:2011-09-13
- 公开(公告)号:WO2012035037A1 公开(公告)日:2012-03-22
- 发明人: FALKENSTEIN, Roberto , KOEHNLEIN, Wolfgang , KUHNE, Wolfgang
- 申请人: F. HOFFMANN-LA ROCHE AG , FALKENSTEIN, Roberto , KOEHNLEIN, Wolfgang , KUHNE, Wolfgang , SCHURIG, Sibylle
- 申请人地址: Grenzacher Strasse 124 CH-4070 Basel CH
- 专利权人: F. HOFFMANN-LA ROCHE AG,FALKENSTEIN, Roberto,KOEHNLEIN, Wolfgang,KUHNE, Wolfgang,SCHURIG, Sibylle
- 当前专利权人: F. HOFFMANN-LA ROCHE AG,FALKENSTEIN, Roberto,KOEHNLEIN, Wolfgang,KUHNE, Wolfgang,SCHURIG, Sibylle
- 当前专利权人地址: Grenzacher Strasse 124 CH-4070 Basel CH
- 代理机构: JENNI, Wolfgang et al.
- 优先权: EP10176616.0 20100914
- 主分类号: A61K47/48
- IPC分类号: A61K47/48 ; B01D15/36
摘要:
Herein is reported a method for the purification of a protein comprising erythropoietin and a single poly (ethylene glycol) residue from reaction by-products or not reacted starting material by a cation exchange chromatography method. It has been found that by employing a cation exchange SP Sephacryl S 500 HR chromatography material conditioned to a conductivity of 21 m S/cm and a linear gradient elution a fusion protein of erythropoietin and a single poly (ethylene glycol) residue can be obtained in a single step with high purity and yield.
摘要(中):
本文报道了通过阳离子交换色谱法从反应副产物或未反应的原料纯化包含促红细胞生成素和单一聚(乙二醇)残基的蛋白质的方法。 已经发现,通过使用调节至21mS / cm的电导率的阳离子交换SP Sephacryl S 500 HR色谱材料和线性梯度洗脱,可以获得红细胞生成素和单个聚(乙二醇)残基的融合蛋白, 纯度高,成品率高的单步。
IPC结构图谱:
A | 人类生活必需 |
--A61 | 医学或兽医学;卫生学 |
----A61K | 医用、牙科用或梳妆用的配制品 |
------A61K47/00 | 以所用的非有效成分为特征的医用配制品,如载体、惰性添加剂 |
--------A61K47/48 | .非有效成分被化学键键合到有效成分上,例如聚合物药物轭合物 |