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US09303083B2 Therapeutic agent for malignant tumors expressing MHC class II 有权
表达MHC II类恶性肿瘤的治疗剂

Therapeutic agent for malignant tumors expressing MHC class II
Abstract:
Provided is a novel therapeutic agent specific for a malignant tumor expressing MHC class II. The present invention provides an antibody recognizing a protein constituting MHC class II expressed on a malignant tumor, the antibody comprising at least one selected from heavy chain CDR1 (amino acid sequence represented by positions 49 to 54 of SEQ ID NO: 54), heavy chain CDR2 (amino acid sequence represented by positions 69 to 84 of SEQ ID NO: 54), heavy chain CDR3 (amino acid sequence represented by positions 117 to 128 of SEQ ID NO: 54), light chain CDR1 (amino acid sequence represented by positions 46 to 55 of SEQ ID NO: 56), light chain CDR2 (amino acid sequence represented by positions 71 to 77 of SEQ ID NO: 56), and light chain CDR3 (amino acid sequence represented by positions 100 to 108 of SEQ ID NO: 56).
Abstract(Chinese):

提供一种特异于表达II类MHC的恶性肿瘤的新型治疗剂。 本发明提供一种抗体，其识别构成在恶性肿瘤上表达的II类MHC的蛋白质，所述抗体包含选自重链CDR1（SEQ ID NO：54的49至54位的氨基酸序列）中的至少一种，重链 CDR2（SEQ ID NO：54的第69〜84位的氨基酸序列），重链CDR3（SEQ ID NO：54的117〜128位的氨基酸序列），轻链CDR1（由位置 SEQ ID NO：56的46〜55），轻链CDR2（由SEQ ID NO：56的71〜77位表示的氨基酸序列）和轻链CDR3（SEQ ID NO： ：56）。

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