LIGANDS FOR ANTIBODY AND Fc-FUSION PROTEIN PURIFICATION BY AFFINITY CHROMATOGRAPHY
申请人:Bittermann Holger
公开号:US20130131321A1
公开(公告)日:2013-05-23
The present invention relates to the use for affinity purification of an antibody or an fragment of an antibody, of a ligand-substituted matrix comprising a support material and at least one ligand covalently bonded to the support material, the ligand being represented by formula (I)
wherein
Sp is a spacer group;
v is 0 or 1;
Am is an amide group —NR
1
—C(O)—, and wherein either NR
1
is attached to Ar
1
and —C(O)— is attached to Ar
2
, or —C(O)— is attached to Ar
1
and NR
1
is attached to Ar
2
; and
R
1
is hydrogen or C
1
to C
4
alkyl, preferably hydrogen or methyl; and more preferably hydrogen;
Ar
1
is a divalent 5- or 6-membered substituted or unsubstituted aromatic ring;
Ar
2
is 5- or 6-membered heterocyclic aromatic ring which is
(a) attached to a further 5- or 6-membered aromatic ring via a single bond; or
(b) fused to a further 5- or 6-membered aromatic ring as part of a multicyclic ring system; or
(c) attached to at least one substituent selected from C
1
to C
4
alkyl; C
2
to C
4
alkenyl; C
2
to C
4
alkynyl; a halogen; C
1
to C
4
haloalkyl; hydroxyl-substituted C
1
to C
4
alkyl; C
1
to C
4
alkoxy; hydroxyl-substituted C
1
to C
4
alkoxy; C
1
to C
4
alkylamino; C
1
to C
4
alkylthio; and combinations thereof.
本发明涉及使用具有支持材料和至少一种共价键合到支持材料的配体的替代基矩阵,用于亲和纯化抗体或抗体片段,其中该配体由式(I)表示,其中Sp是一个空间基团;v为0或1;Am是一个酰胺基团-NR1-C(O)-,其中NR1连接到Ar1,-C(O)-连接到Ar2,或-C(O)-连接到Ar1,NR1连接到Ar2;R1是氢或C1到C4烷基,优选氢或甲基,更优选氢;Ar1是二价的5-或6-成员取代或未取代芳香环;Ar2是5-或6-成员的杂环芳香环,它(a)通过单键连接到另一个5-或6-成员的芳香环;或(b)作为多环环系统的一部分与另一个5-或6-成员的芳香环融合;或(c)连接到至少一个取代基,所述取代基选择自C1到C4烷基;C2到C4烯基;C2到C4炔基;卤素;C1到C4卤代烷基;羟基取代的C1到C4烷基;C1到C4烷氧基;羟基取代的C1到C4烷氧基;C1到C4烷基氨基;C1到C4烷基硫基;以及其组合。