JP2015523328A5 - - Google Patents

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JP2015523328A5
JP2015523328A5 JP2015511443A JP2015511443A JP2015523328A5 JP 2015523328 A5 JP2015523328 A5 JP 2015523328A5 JP 2015511443 A JP2015511443 A JP 2015511443A JP 2015511443 A JP2015511443 A JP 2015511443A JP 2015523328 A5 JP2015523328 A5 JP 2015523328A5
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JP
Japan
Prior art keywords
ctla
polypeptide
amino acid
acid sequence
seq
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JP2015511443A
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JP2015523328A (ja
JP6228971B2 (ja
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Priority claimed from PCT/US2013/030179 external-priority patent/WO2013169338A1/en
Publication of JP2015523328A publication Critical patent/JP2015523328A/ja
Publication of JP2015523328A5 publication Critical patent/JP2015523328A5/ja
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Claims (12)

  1. 野生型CTLA−4の配列番号35と比較して大きいヒトCD80結合親和性、大きい効力および/または大きい安定性を有する単離CTLA−4ポリペプチドであって、配列番号35のバリアントであるアミノ酸配列を含み、前記バリアントは、配列番号35中の以下のアミノ酸突然変異を含むポリペプチド:
    I16におけるR;
    A24におけるT;
    S25におけるN;
    G27におけるS
    58におけるA;
    70におけるA;
    85におけるQ;および
    93におけるQ。
  2. 野生型CTLA−4の配列番号35と比較して大きいヒトCD80結合親和性、大きい効力および/または大きい安定性を有する単離CTLA−4ポリペプチドであって
    ミノ酸配列の配列番号43を含むポリペプチド。
  3. 野生型CTLA−4(配列番号35)よりも大きいヒトCD86結合親和性を有する、請求項1に記載のCTLA−4ポリペプチド。
  4. IgGFcアミノ酸配列にコンジュゲートしている、請求項1に記載のCTLA−4ポリペプチド。
  5. 前記IgGFcは、Fcエフェクター機能を低減させるように改変されたヒトIgG1Fcであり、天然ヒトIgG1Fcヒンジ領域を含む、請求項に記載のCTLA−4ポリペプチド。
  6. 前記IgGFcアミノ酸配列は、配列番号59を含む、請求項に記載のCTLA−4ポリペプチド。
  7. NCIMBアクセッション番号41948のもとで寄託された核酸によりコードされる1299CTLA−4−Igアミノ酸配列を含む、単離CTLA−4ポリペプチド。
  8. 核酸を含有する宿主細胞であって、前記核酸は、NCIMBアクセッション番号41948のもとで寄託された1299CTLA−4−Ig核酸配列を含む宿主細胞。
  9. 請求項に記載のCTLA−4ポリペプチド;および
    1つ以上の医薬賦形剤を含む組成物。
  10. 前記CTLA−4ポリペプチドは、配列番号59を含むIgGFcアミノ酸配列にコンジュゲートしている、請求項に記載の組成物。
  11. 配列番号43のCTLA−4ポリペプチドアミノ酸配列またはNCIMBアクセッション番号41948のもとで寄託された核酸によりコードされるCTLA−4アミノ酸配列の突然変異によりさらなるCTLA−4ポリペプチドを産生する方法であって:
    アミノ酸配列の配列番号43またはNCIMBアクセッション番号41948のもとで寄託された核酸によりコードされるCTLA−4アミノ酸配列を含み、またはそれからなるCTLA−4ポリペプチドを提供すること;
    1つ以上の突然変異を前記アミノ酸配列中に導入してさらなるCTLA−4ポリペプチドを提供すること;
    前記さらなるCTLA−4ポリペプチドの安定性、親和性および/または効力を試験すること;ならびに
    前記さらなるCTLA−4ポリペプチドを、1つ以上の医薬賦形剤を含む組成物に配合すること
    を含む方法。
  12. 前記さらなるCTLA−4ポリペプチドがFc領域にコンジュゲートしている、請求項11に記載の方法。
JP2015511443A 2012-05-11 2013-03-11 Ctla−4バリアント Active JP6228971B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261645686P 2012-05-11 2012-05-11
US61/645,686 2012-05-11
PCT/US2013/030179 WO2013169338A1 (en) 2012-05-11 2013-03-11 Ctla-4 variants

Publications (3)

Publication Number Publication Date
JP2015523328A JP2015523328A (ja) 2015-08-13
JP2015523328A5 true JP2015523328A5 (ja) 2016-03-31
JP6228971B2 JP6228971B2 (ja) 2017-11-08

Family

ID=49551120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015511443A Active JP6228971B2 (ja) 2012-05-11 2013-03-11 Ctla−4バリアント

Country Status (17)

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US (2) US9884902B2 (ja)
EP (2) EP3207938B1 (ja)
JP (1) JP6228971B2 (ja)
KR (1) KR102133060B1 (ja)
CN (2) CN104302309B (ja)
AU (1) AU2013260172B2 (ja)
BR (1) BR112014026718B1 (ja)
CA (1) CA2868748C (ja)
DK (1) DK3207938T3 (ja)
ES (1) ES2777778T3 (ja)
HK (1) HK1209644A1 (ja)
HU (1) HUE048925T2 (ja)
MX (1) MX355234B (ja)
PL (1) PL3207938T3 (ja)
RU (1) RU2671465C2 (ja)
SG (2) SG11201405968SA (ja)
WO (1) WO2013169338A1 (ja)

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