发明名称 |
Compositions and methods for treating IgE-mediated disorders |
摘要 |
The present invention relates to immunoglobulins that bind IgE and FcγRIIb with high affinity, said compositions being capable of inhibiting cells that express membrane-anchored IgE. Such compositions are useful for treating IgE-mediated disorders, including allergies and asthma. |
申请公布号 |
US9540451(B2) |
申请公布日期 |
2017.01.10 |
申请号 |
US201313860484 |
申请日期 |
2013.04.10 |
申请人 |
Xencor, Inc. |
发明人 |
Desjarlais John R.;Chu Seung Y.;Horton Holly M.;Bernett Matthew J. |
分类号 |
C07K16/42;C07K16/46 |
主分类号 |
C07K16/42 |
代理机构 |
Morgan, Lewis & Bockius, LLP |
代理人 |
Silva Robin M.;Nguyen Louis T.;Morgan, Lewis & Bockius, LLP |
主权项 |
1. An antibody comprising a variable region and variable Fc region as compared to a human IgG Fc region, wherein said variable region binds membrane anchored IgE, wherein the variable heavy chain of said variable region comprises SEQ ID NO: 17, wherein the variable light chain of said variable region comprises SEQ ID NO: 21, and wherein said Fc region is a variable Fc region comprising an amino acid substitution at position 267, wherein said substitution is 267E or 267D, and wherein said numbering is according to the EU index of Kabat. |
地址 |
Monrovia CA US |