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    • 10. 发明申请
    • Human monoclonal antibodies to epidermal growth factor receptor
    • 人表皮生长因子受体单克隆抗体
    • US20050100546A1
    • 2005-05-12
    • US11021795
    • 2004-12-22
    • Aya JakobovitsXiao-Dong YangMichael GalloXiao-Chi Jia
    • Aya JakobovitsXiao-Dong YangMichael GalloXiao-Chi Jia
    • A61K38/00C07K16/28A61K39/395
    • C07K16/2863A61K38/00A61K2039/505C07K2317/21C07K2317/73C07K2317/77
    • In accordance with the present invention, there are provided fully human monoclonal antibodies against human epidermal growth factor receptor (EGF-r). Nucelotide sequences encoding and amino acid sequences comprising heavy and light chain immunoglobulin molecules, particularly sequences corresponding to contiguous heavy and light chain sequences from CDR1 through CDR3, are provided. Hybridomas expressing such immunoglobulin molecules and monoclonal antibodies are also provided. Also provided in accordance with the invention are antibodies that possess one or more of the following functional characteristics: (i) inhibit tyrosine phosphorylation of EGF-r, (ii) do not inhibit EGF-r internalization, (ii) inhibit EGF-r degradation, (iii) inhibition of EGF induced EGF-r degradation, (iv) protect threonine phosphorylation of EGF-r, (v) protect threonine phosphorylation of other molecules, particularly a 62 KD molecule identified by immunoprecipitation, and (vi) inhibit vascular endothelial cell growth factor signal by tumor cells by greater than 50% and endothelial cells by greater than 40% relative to control.
    • 根据本发明,提供了针对人表皮生长因子受体(EGF-r)的完全人单克隆抗体。 提供了含有重链和轻链免疫球蛋白分子的Nuclotide序列编码和氨基酸序列,特别是对应于CDR1至CDR3的连续重链和轻链序列的序列。 还提供了表达这种免疫球蛋白分子和单克隆抗体的杂交瘤。 根据本发明还提供了具有一个或多个以下功能特征的抗体:(i)抑制EGF-r的酪氨酸磷酸化,(ii)不抑制EGF-r内化,(ii)抑制EGF-r降解 ,(iii)抑制EGF诱导的EGF-r降解,(iv)保护EGF-r的苏氨酸磷酸化,(v)保护其他分子,特别是通过免疫沉淀鉴定的62KD分子的苏氨酸磷酸化,和(vi)抑制血管内皮 肿瘤细胞的细胞生长因子信号大于50%,内皮细胞相对于对照组大于40%。