JP2007536932A5 - - Google Patents

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JP2007536932A5
JP2007536932A5 JP2007513268A JP2007513268A JP2007536932A5 JP 2007536932 A5 JP2007536932 A5 JP 2007536932A5 JP 2007513268 A JP2007513268 A JP 2007513268A JP 2007513268 A JP2007513268 A JP 2007513268A JP 2007536932 A5 JP2007536932 A5 JP 2007536932A5
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antibody
seq
humanized antibody
amino acid
cancer
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JP2007513268A
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JP2007536932A (ja
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Priority claimed from PCT/US2005/016260 external-priority patent/WO2005110474A2/en
Publication of JP2007536932A publication Critical patent/JP2007536932A/ja
Publication of JP2007536932A5 publication Critical patent/JP2007536932A5/ja
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Claims (28)

  1. 天然ヒトFcγRIIAの細胞外ドメインと結合するよりも高い親和性で天然ヒトFcγRIIBの細胞外ドメインと特異的に結合するモノクローナル抗体由来のCDRを含むアミノ酸配列を有するヒト化抗体。
  2. 前記抗体がモノクローナル抗体2B6または3H7由来のCDRを含む、請求項1に記載のヒト化抗体。
  3. 前記抗体がモノクローナル抗体1D5、2E1、2H9、2D11、または1F2由来のCDRを含む、請求項1に記載のヒト化抗体。
  4. 前記抗体が重鎖領域と軽鎖領域を有するヒト化可変領域を含み、該重鎖領域が配列番号24または配列番号37のアミノ酸配列を有し、該軽鎖領域が配列番号18、配列番号20、配列番号22、または配列番号46のアミノ酸配列を有する、請求項1に記載のヒト化抗体。
  5. 前記抗体が、配列番号1または配列番号29のアミノ酸配列を有するVH CDR1、配列番号2または配列番号30のアミノ酸配列を有するVH CDR2、および配列番号3または配列番号31のアミノ酸配列を有するVH CDR3を含む、請求項1に記載のヒト化抗体。
  6. 前記抗体が、配列番号8または配列番号38のアミノ酸配列を有するVL CDR1、配列番号9、配列番号10、配列番号11または配列番号39のアミノ酸配列を有するVL CDR2、および配列番号12または配列番号40のアミノ酸配列を有するVL CDR3を含む、請求項1に記載のヒト化抗体。
  7. 変異型CDR領域を含み、変異型CDR領域がVL CDR2中に少なくとも1つのアミノ酸改変を含む、請求項1に記載のヒト化抗体。
  8. 少なくとも1つのアミノ酸改変がチロシンによる50位での置換を含む、請求項7に記載のヒト化抗体。
  9. 少なくとも1つのアミノ酸改変がアラニンによる51位での置換を含む、請求項7に記載のヒト化抗体。
  10. 前記抗体がフレームワーク領域中にはアミノ酸改変を含まない、請求項1〜9のいずれか1項に記載のヒト化抗体。
  11. F(ab')2フラグメントまたはF(ab)フラグメントである、請求項1に記載のヒト化抗体フラグメント。
  12. 前記抗体が一本鎖抗体である、請求項1に記載のヒト化抗体。
  13. 前記抗体が異種ポリペプチドと機能的に連結されている、請求項1に記載のヒト化抗体。
  14. 前記抗体が治療薬または細胞毒素にコンジュゲートされている、請求項1に記載のヒト化抗体。
  15. Ig-FcのFcγRIIBへの結合をブロックする、請求項1に記載のヒト化抗体。
  16. 前記抗体がリツキシン(Rituxin)よりも効果的に腫瘍増殖を軽減する、請求項1に記載のヒト化抗体。
  17. 請求項1に記載のヒト化抗体またはそのフラグメントの重鎖もしくは軽鎖をコードするヌクレオチド配列を含んでなる、単離された核酸。
  18. 異種プロモーターと機能的に連結された第1の核酸、および同一のまたは異なる異種プロモーターと機能的に連結された第2の核酸を含有する宿主細胞であって、第1の核酸と第2の核酸が請求項1に記載のヒト化抗体のそれぞれ重鎖および軽鎖をコードしている、上記宿主細胞。
  19. 癌抗原を特徴とする癌にかかった患者において癌を治療するための医薬の製造における、請求項1〜9のいずれか1項に記載のヒト化抗体、および該癌抗原と特異的に結合しかつ細胞傷害性である第2抗体の使用
  20. 前記癌が乳癌、卵巣癌、前立腺癌、子宮頸癌、または膵臓癌である、請求項19に記載の使用
  21. (i) 治療に有効な量の請求項1〜9のいずれか1項に記載のヒト化抗体、(ii) 癌抗原と特異的に結合する細胞傷害性抗体、および(iii) 製薬上許容される担体、を含有する医薬組成物。
  22. 患者の自己免疫疾患を治療するための医薬の製造における、請求項1〜9のいずれか1項に記載のヒト化抗体の使用
  23. 患者のIgE依存性アレルギー疾患を治療または予防するための医薬の製造における、請求項1〜9のいずれか1項に記載のヒト化抗体の使用
  24. IgE依存性アレルギー疾患が喘息、アレルギー性鼻炎、胃腸のアレルギー、好酸球増加症、結膜炎、または糸球体腎炎である、請求項23に記載の使用
  25. 細胞傷害性抗体で治療される被験者において抗体依存性細胞傷害作用を増強するための医薬の製造における、請求項1〜9のいずれか1項に記載のヒト化抗体の使用
  26. 被験者の自己免疫疾患を判定するための検査方法であって、
    (a) 被験者から得られた生物学的サンプルを、有効量の請求項1〜9のいずれか1項に記載のヒト化抗体と接触させること、
    (b) 該抗体の結合を検出すること、
    を含んでなり、その際、該検出可能なマーカーがバックグラウンドまたは標準レベルを上回って検出されれば、該被験者が自己免疫疾患にかかっていることを示す、上記方法。
  27. 被験者においてワクチン組成物に対する免疫応答を高めるための医薬の製造における、請求項1〜9のいずれか1項に記載のヒト化抗体の使用
  28. 癌抗原を特徴とする癌にかかった患者において癌を治療するための医薬の製造における、請求項1〜9のいずれか1項に記載のヒト化抗体の使用であって、該医薬はFcγRIIBを発現する癌細胞の集団を減少させるものである、上記使用
JP2007513268A 2004-05-10 2005-05-10 ヒト化FcγRIIB特異的抗体とその利用法 Pending JP2007536932A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56988204P 2004-05-10 2004-05-10
US58204304P 2004-06-21 2004-06-21
PCT/US2005/016260 WO2005110474A2 (en) 2004-05-10 2005-05-10 HUMANIZED FcϜRIIB SPECIFIC ANTIBODIES AND METHODS OF USE THEREOF

Publications (2)

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JP2007536932A JP2007536932A (ja) 2007-12-20
JP2007536932A5 true JP2007536932A5 (ja) 2008-06-19

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US (3) US7521542B2 (ja)
EP (1) EP1761563A4 (ja)
JP (1) JP2007536932A (ja)
KR (1) KR101297146B1 (ja)
AU (1) AU2005244058B2 (ja)
CA (1) CA2565874C (ja)
IL (1) IL179102A (ja)
MX (1) MXPA06012601A (ja)
WO (1) WO2005110474A2 (ja)

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