JPH10508466A - Cdrを移植された▲iii▼型抗ceaヒト化マウスモノクローナル抗体 - Google Patents
Cdrを移植された▲iii▼型抗ceaヒト化マウスモノクローナル抗体Info
- Publication number
- JPH10508466A JPH10508466A JP8512588A JP51258896A JPH10508466A JP H10508466 A JPH10508466 A JP H10508466A JP 8512588 A JP8512588 A JP 8512588A JP 51258896 A JP51258896 A JP 51258896A JP H10508466 A JPH10508466 A JP H10508466A
- Authority
- JP
- Japan
- Prior art keywords
- seq
- cdr
- amino acid
- acid sequence
- antibody
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.異種抗体のフレームワーク領域(FR)に移植された親マウスクラスIII 、抗CEAモノクローナル抗体の相補性決定領域(CDR)を有するヒト化モノ クローナル抗体であって、該異種がヒトを含むあらゆる種を包含し、該ヒト化抗 体が該親マウスモノクローナル抗体のクラスIII、抗CEA結合特異性は保持す るものの、ヒト患者において該親マウスクラスIII、抗CEAモノクローナル抗 体よりも免疫原性が小さいヒト化モノクローナル抗体。 2.前記マウスクラスIII、抗CEAモノクローナル抗体がMN14モノクロ ーナル抗体である請求項1に記載のヒト化モノクローナル抗体。 3.前記異種抗体がヒト抗体である請求項1に記載のヒト化モノクローナル抗 体。 4.(a)軽鎖可変領域が式 FRL1−CDRL1−FRL2−CDRL2−FRL3−CDRL3−FRL4 (ここで、FRの各々はヒト抗体の異なるフレームワーク領域であり、かつCD Rの各々はMN14の軽鎖の異なる相補性決定領域である)によって特徴付けら れ、かつ、 (b)重鎖可変領域が式 FRH1−CDRH1−FRH2−CDRH2−FRH3−CDRH3−FRH4 (ここで、FRの各々はヒト抗体の異なるフレームワーク領域であり、かつCD Rの各々はMN14の前記重鎖の異なる相補性決定領域である)によって特徴付 けられる 請求項2に記載のヒト化モノクローナル抗体。 5.CDRL1のアミノ酸配列がKASQD VGTSV A(配列番号20) であり、 CDRL2のアミノ酸配列がWTSTR HT(配列番号21)であり、 CDRL3のアミノ酸配列がQQYSL YRS(配列番号22)であり、 CDRH1のアミノ酸配列がTYWMS(配列番号23)であり、 CDRH2のアミノ酸配列がEIHPD SSTIN YAPSL KD(配列 番号24)であり、 CDRH3のアミノ酸配列がLYFGF PWFAY(配列番号25)である 請求項4に記載のヒト化モノクローナル抗体。 6.FRL1がヒト抗体のFRL1に自然に生じる約23アミノ酸の領域を含み、 FRL2がヒト抗体のFRL22に自然に生じる約15アミノ酸の領域を含み、 FRL3がヒト抗体のFRL33に自然に生じる約32アミノ酸の領域を含み、 FRL4がヒト抗体のFRL4に自然に生じる約10アミノ酸の領域を含み、 FRH1がヒト抗体のFRH1に自然に生じる28〜32アミノ酸の領域を含み、 FRH2がヒト抗体のFRH2に自然に生じる12〜16アミノ酸の領域を含み、 FRH3がヒト抗体のFRH3に自然に生じる30〜34アミノ酸の領域を含み、 FRH4がヒト抗体のFRH4に自然に生じる9〜13アミノ酸の領域を含む 請求項4に記載のヒト化モノクローナル抗体。 7.FRL1のアミノ酸配列がDIQLT QSPSS LSASV GDRV T ITC(配列番号26)であり、 FRL2のアミノ酸配列がWYQQK PGKAP KLLIY(配列番号27 )であり、 FRL3のアミノ酸配列がGVP(S又はD)R FSGS(G又はV) SG TDF TFTIS SLQPE DIATY YC(配列番号28)であり、 FRL4のアミノ酸配列がFGQGT KVIEK(配列番号29)であり、 FRH1のアミノ酸配列がEVQLV ESGGG VVQPG RSLRL SCSSS GFDFT(配列番号30)、EVQLV ESGGG VVQP G RSLRL SCSAS GFDFT(配列番号31)、又はQVQLQ ESGPG LVRPS QTLSL TCTSS GFDFT(配列番号32 )であり、 FRH2のアミノ酸配列がWVRQA PGKGL EWVA(配列番号33) 、WVRQA PGKGL EWIA(配列番号34)、又はWVRQP PG RGL EWIA(配列番号35)であり、 FRH3のアミノ酸配列がRFTIS RDNSK NTLFL QMDSL RPEDT GVYFC AS(配列番号36)、RFTIS RDNAK N TLFL QMDSL RPEDT GVYFC AS(配列番号37)、又は RVTML RDTSK NGSFL RLSSV TAADT AVYYC AS(配列番号38)であり、 FRH4のアミノ酸配列がWGQGT PVTVS S(配列番号39)、又は WGQGT TVTVS S(配列番号40)である (以上において、Cはスルフィドリル又はジスルフィドの形であってもよい)請 求項6に記載のヒト化モノクローナル抗体。 8.CDRL1のアミノ酸配列がKASQD VGTSV A(配列番号20) であり、 CDRL2のアミノ酸配列がWTSTR HT(配列番号21)であり、 CDRL3のアミノ酸配列がQQYSL YRS(配列番号22)であり、 CDRH1のアミノ酸配列がTYWMS(配列番号23)であり、 CDRH2のアミノ酸配列がEIHPD SSTIN YAPSL KD(配列 番号24)であり、 CDRH3のアミノ酸配列がLYFGF PWFAY(配列番号25)である 請求項7に記載のヒト化モノクローナル抗体。 9.KLHuVHAIGAと名付けられている請求項1に記載のヒト化モノク ローナル抗体。 10.マウスクラスIII、抗CEAヒト化モノクローナル抗体に結合する診断 又は治療剤を包含する複合体であって、該抗体のCDRが親マウスクラスIII、 抗CEAモノクローナル抗体に由来し、かつFRが異種抗体に由来し、ここで、 該異種はヒトを含むあらゆる種を指し、該ヒト化モノクローナル抗体が該親マウ スクラスIII、抗CEAモノクローナル抗体のクラスIII、抗CEA結合特異性を 保持するものの、該異種において親クラスIII、抗CEAモノクローナル抗体よ りも免疫原性が小さい複合体。 11.前記親マウスクラスIII、抗CEAモノクローナル抗体がMN14モノ クローナル抗体である請求項9に記載の複合体。 12.前記異種がヒトを指す請求項10に記載の複合体。 13.前記モノクローナル抗体において、 (a)軽鎖可変領域が式 FRL1−CDRL1−FRL2−CDRL2−FRL3−CDRL3−FRL4 (ここで、FRの各々はヒト抗体の異なるフレームワーク領域であり、かつCD Rの各々はMN14の軽鎖の異なる相補性決定領域である)によって特徴付けら れ、かつ (b)重鎖可変領域が式 FRH1−CDRH1−FRH2−CDRH2−FRH3−CDRH3−FRH4 (ここで、FRの各々はヒト抗体の異なるフレームワーク領域であり、かつCD Rの各々はMN14の重鎖の異なる相補性決定領域である)によって特徴付けら れる 請求項12に記載の複合体。 14.CDRL1のアミノ酸配列がKASQD VGTSV A(配列番号20 )であり、 CDRL2のアミノ酸配列がWTSTR HT(配列番号21)であり、 CDRL3のアミノ酸配列がQQYSL YRS(配列番号22)であり、 CDRH1のアミノ酸配列がTYWMS(配列番号23)であり、 CDRH2のアミノ酸配列がEIHPD SSTIN YAPSL KD(配列 番号24)であり、 CDRH3のアミノ酸配列がLYFGF PWFAY(配列番号25)である 請求項13に記載の複合体。 15.FRL1がヒト抗体のFRL1に自然に生じる約23アミノ酸の領域を含み 、 FRL2がヒト抗体のFRL22に自然に生じる約15アミノ酸の領域を含み、 FRL3がヒト抗体のFRL33に自然に生じる約32アミノ酸の領域を含み、 FRL4がヒト抗体のFRL4に自然に生じる約10アミノ酸の領域を含み、 FRH1がヒト抗体のFRH1に自然に生じる28〜32アミノ酸の領域を含み、 FRH2がヒト抗体のFRH2に自然に生じる12〜16アミノ酸の領域を含み、 FRH3がヒト抗体のFRH3に自然に生じる30〜34アミノ酸の領域を含み、 FRH4がヒト抗体のFRH4に自然に生じる9〜13アミノ酸の領域を含む 請求項13に記載の複合体。 16.FRL1のアミノ酸配列がDIQLT QSPSS LSASV GDR VT ITC(配列番号26)であり、 FRL2のアミノ酸配列がWYQQK PGKAP KLLIY(配列番号27 )であり、 FRL3のアミノ酸配列がGVP(S又はD)R FSGS(G又はV) SG TDF TFTIS SLQPE DIATY YC(配列番号28)であり、 FRL4のアミノ酸配列がFGQGT KVIEK(配列番号29)であり、 FRH1のアミノ酸配列がEVQLV ESGGG VVQPG RSLRL SCSSS GFDFT(配列番号30)、EVQLV ESGGG VVQP G RSLRL SCSAS GFDFT(配列番号31)、又はQVQLQ ESGPG LVRPS QTLSL TCTSS GFDFT(配列番号32 )であり、 FRH2のアミノ酸配列がWVRQA PGKGL EWVA(配列番号33) 、WVRQA PGKGL EWIA(配列番号34)、又はWVRQP PG RGL EWIA(配列番号35)であり、 FRH3のアミノ酸配列がRFTIS RDNSK NTLFL QMDSL RPEDT GVYFC AS(配列番号36)、RFTIS RDNAK N TLFL QMDSL RPEDT GVYFC AS(配列番号37)、又は RVTML RDTSK NGSFL RLSSV TAADT AVYYC AS(配列番号38)であり、 FRH4のアミノ酸配列がWGQGT PVTVS S(配列番号39)、又は WGQGT TVTVS S(配列番号40)である (以上において、Cはスルフィドリル又はジスルフィドの形であってもよい)請 求項15に記載の複合体。 17.CDRL1のアミノ酸配列がKASQD VGTSV A(配列番号20 )であり、 CDRL2のアミノ酸配列がWTSTR HT(配列番号21)であり、 CDRL3のアミノ酸配列がQQYSL YRS(配列番号22)であり、 CDRH1のアミノ酸配列がTYWMS(配列番号23)であり、 CDRH2のアミノ酸配列がEIHPD SSTIN YAPSL KD(配列 番号24)であり、 CDRH3のアミノ酸配列がLYFGF PWFAY(配列番号25)である 請求項16に記載の複合体。 18.前記治療剤が細胞障害性物質を含む請求項10に記載の複合体。 19.前記診断試薬が造影剤を含む請求項10に記載の複合体。 20.患者に、診断又は治療に有効な量の、請求項10から請求項19のいず れか1項に記載の診断又は治療剤を含有する複合体を投与するステップを含む患 者の診断又は治療方法。 21.親マウスクラスIII、抗CEAモノクローナル抗体の軽鎖及び重鎖のC DR及び異種抗体のFRをコードする単離精製キメラDNAであって、該異種抗 体がヒトを含むあらゆる種に由来することが可能であり、該キメラDNAによっ て発現される抗体が該親マウスクラスIII、抗CEAモノクローナル抗体のクラ スIII、抗CEA結合特異性を保持するものの、異種被検体において該親モノク ローナル抗体よりも免疫原性が小さい単離精製キメラDNA。 22.図1に示されるMN14モノクローナル抗体のVHアミノ酸鎖をコード するDNA配列、並びにそれらの対立遺伝子、変種及び変異を包含する単離ポリ ヌクレオチド。 23.請求項22に記載のDNA配列によってコードされるタンパク質。 24.図2に示されるMN14モノクローナル抗体のVKアミノ酸鎖をコード するDNA配列、並びにそれらの対立遺伝子、変種及び変異を包含する単離ポリ ヌクレオチド。 25.請求項24に記載のDNA配列によってコードされるタンパク質。 26.pSVgptMN14MuVHHuIgG1と名付けられ、図3に示さ れる、ヒト化キメラMN14重鎖の発現のためのベクター。 27.pSVhygMN14MuVKHuCKと名付けられ、図4に示される 、ヒト化キメラMN14κ軽鎖の発現のためのベクター。 28.ヒト化キメラMN14モノクローナル抗体を発現させるための方法であ って、 (a)ベクターpSVgptMN14MuVHHuIgG1及びpSVhygM N14MuVKHuCKを直鎖状にするステップと、 (b)哺乳動物リンパ細胞を該直鎖状ベクターでトランスフェクションするステ ップと、 (c)該トランスフェクションされた細胞をgpt遺伝子を発現するものについ て選択するステップと、 (d)該gpt遺伝子を発現する該細胞から、該ヒト化キメラモノクローナル抗 体を分泌する細胞を選択するステップと を含む方法。 29.pSVgptMN14NEWMHuIgG1と名付けられ、図3に示さ れる、再構成ヒト化MN14可変重鎖を発現させるためのベクターであって、2 4、27、28、30、71及び94位のMN14アミノ酸残基が、該MN14 可変重鎖のCDRと共に該可変重鎖に変異しているベクター。 30.pSVhgrMN14REIHuCKと名付けられ、図4に示される、 再構成ヒト化MN14可変κ軽鎖を発現させるためのベクターであって、24、 27、28、30、71及び94位のMN14アミノ酸残基が、該MN14可変 κ軽鎖のCDRと共に該可変κ軽鎖に変異しているベクター。 31.(a)前記軽鎖が式 FRL1−CDRL1−FRL2−CDRL2−FRL3−CDRL3−FRL4 (ここで、FRの各々はヒト抗体の異なるフレームワーク領域であり、かつCD Rの各々はMN14の軽鎖の異なる相補性決定領域である)によって特徴付けら れ、かつ、 (b)前記重鎖可変領域が式 FRH1−CDRH1−FRH2−CDRH2−FRH3−CDRH3−FRH4 (ここで、FRの各々はヒト抗体の異なるフレームワーク領域であり、かつCD Rの各々はMN14の重鎖の異なる相補性決定領域である)によって特徴付けら れる 請求項21に記載の単離精製DNA。 32.CDRL1のアミノ酸配列がKASQD VGTSV A(配列番号20 )であり、 CDRL2のアミノ酸配列がWTSTR HT(配列番号21)であり、 CDRL3のアミノ酸配列がQQYSL YRS(配列番号22)であり、 CDRH1のアミノ酸配列がTYWMS(配列番号23)であり、 CDRH2のアミノ酸配列がEIHPD SSTIN YAPSL KD(配列 番号24)であり、 CDRH3のアミノ酸配列がLYFGF PWFAY(配列番号25)である 請求項31に記載の単離精製DNA。 33.FRL1がヒト抗体のFRL1に自然に生じる約23アミノ酸の領域を含み 、 FRL2がヒト抗体のFRL22に自然に生じる約15アミノ酸の領域を含み、 FRL3がヒト抗体のFRL33に自然に生じる約32アミノ酸の領域を含み、 FRL4がヒト抗体のFRL4に自然に生じる約10アミノ酸の領域を含み、 FRH1がヒト抗体のFRH1に自然に生じる28〜32アミノ酸の領域を含み、 FRH2がヒト抗体のFRH2に自然に生じる12〜16アミノ酸の領域を含み、 FRH3がヒト抗体のFRH3に自然に生じる30〜34アミノ酸の領域を含み、 FRH4がヒト抗体のFRH4に自然に生じる9〜13アミノ酸の領域を含む 請求項31に記載の単離精製DNA。 34.FRL1のアミノ酸配列がDIQLT QSPSS LSASV GDR VT ITC(配列番号26)であり、 FRL2のアミノ酸配列がWYQQK PGKAP KLLIY(配列番号27 )であり、 FRL3のアミノ酸配列がGVP(S又はD)R FSGS(G又はV) SG TDF TFTIS SLQPE DIATY YC6(配列番号28)であり 、 FRL4のアミノ酸配列がFGQGT KVIEK(配列番号29)であり、 FRH1のアミノ酸配列がEVQLV ESGGG VVQPG RSLRL SCSSS GFDFT(配列番号30)、EVQLV ESGGG VVQP G RSLRL SCSAS GFDFT(配列番号31)、又はQVQLQ ESGPG LVRPS QTLSL TCTSS GFDFT(配列番号32 )であり、 FRH2のアミノ酸配列がWVRQA PGKGL EWVA(配列番号33) 、WVRQA PGKGL EWIA(配列番号34)、又はWVRQP PG RGL EWIA(配列番号35)であり、 FRH3のアミノ酸配列がRFTIS RDNSK NTLFL QMDSL RPEDT GVYFC AS(配列番号36)、RFTIS RDNAK N TLFL QMDSL RPEDT GVYFC AS(配列番号37)、又は RVTML RDTSK NGSFL RLSSV TAADT AVYYC AS(配列番号38)であり、 FRH4のアミノ酸配列がWGQGT PVTVS S(配列番号39)、又は WGQGT TVTVS S(配列番号40)である (以上において、Cはスルフィドリル又はジスルフィドの形であってもよい)請 求項33に記載の単離精製DNA。 35.CDRL1のアミノ酸配列がKASQD VGTSV A(配列番号20 )であり、 CDRL2のアミノ酸配列がWTSTR HT(配列番号21)であり、 CDRL3のアミノ酸配列がQQYSL YRS(配列番号22)であり、 CDRH1のアミノ酸配列がTYWMS(配列番号23)であり、 CDRH2のアミノ酸配列がEIHPD SSTIN YAPSL KD(配列 番号24)であり、 CDRH3のアミノ酸配列がLYFGF PWFAY(配列番号25)である 請求項34に記載の単離精製DNA。 36.キメラ再構成遺伝子を含む図3のプラスミドpSVgpt。 37.キメラ遺伝子を含む図4のプラスミドpSVhyg。 38.図3に示されるキメラ遺伝子を発現する形質転換細胞。 39.図4に示されるキメラ遺伝子を発現する形質転換細胞。
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JP2006507263A (ja) * | 2002-10-08 | 2006-03-02 | イミューノメディクス、インコーポレイテッド | クラスiii抗ceaモノクローナル抗体と治療薬とを用いる併用治療 |
JP2006521286A (ja) * | 2002-10-08 | 2006-09-21 | イミューノメディクス、インコーポレイテッド | 抗体療法 |
JP2013534406A (ja) * | 2010-05-05 | 2013-09-05 | シャンハイ ハイカン ファーマシューティカル テクノロジー アンド デヴェロップメント カンパニー リミテッド | 癌胎児性抗原に対する抗体及びその使用 |
JP2016028577A (ja) * | 2010-05-05 | 2016-03-03 | シャンハイ ハイカン ファーマシューティカル テクノロジー アンド デヴェロップメント カンパニー リミテッド | 癌胎児性抗原に対する抗体及びその使用 |
JP2014509200A (ja) * | 2011-03-02 | 2014-04-17 | ロシュ グリクアート アーゲー | Cea抗体 |
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EP1967528A3 (en) | 2008-12-17 |
US5874540A (en) | 1999-02-23 |
US20050089538A1 (en) | 2005-04-28 |
JP2002218990A (ja) | 2002-08-06 |
DE69535755D1 (de) | 2008-06-26 |
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WO1996011013A1 (en) | 1996-04-18 |
JP3437580B2 (ja) | 2003-08-18 |
EP0783313B1 (en) | 2008-05-14 |
AU3719695A (en) | 1996-05-02 |
JP5183611B2 (ja) | 2013-04-17 |
ATE464906T1 (de) | 2010-05-15 |
CA2200868C (en) | 2010-04-13 |
ATE395068T1 (de) | 2008-05-15 |
EP1736163B1 (en) | 2010-04-21 |
EP1967528B1 (en) | 2015-03-04 |
ES2307294T3 (es) | 2008-11-16 |
CA2200868A1 (en) | 1996-04-18 |
AU689331B2 (en) | 1998-03-26 |
EP0783313A1 (en) | 1997-07-16 |
DE69536072D1 (de) | 2010-06-02 |
JP2010075190A (ja) | 2010-04-08 |
EP0783313A4 (en) | 2005-01-12 |
US6676924B2 (en) | 2004-01-13 |
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