JP6602958B2 - 標的化成分及びエフェクター成分を有する分子構築物、並びにそれらの使用 - Google Patents
標的化成分及びエフェクター成分を有する分子構築物、並びにそれらの使用 Download PDFInfo
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Description
GS,
GGS,
GSG,
GGGS(配列番号:1),
GSGS(配列番号:2),
GGSG(配列番号:3),
GSGGS(配列番号:4),
SGGSG(配列番号:5),
GGGGS(配列番号:6),
GGSGGS(配列番号:7),
GGSGGSG(配列番号:8),
SGSGGSGS(配列番号:9),
GSGGSGSGS(配列番号:10),
SGGSGGSGSG(配列番号:11)
GGSGGSGGSGS(配列番号:12),
SGGSGGSGSGGS(配列番号:13),
GGGGSGGSGGGGS(配列番号:14),
GGGSGSGSGSGGGS(配列番号:15),又は
SGSGGGGGSGGSGSG(配列番号:16)であり得る。
Ac-CGGSGGSGGSKGSGSKGSK(配列番号:18)、又は
Ac-CGSKGSKGSKGSKGSKGSKGSKGSKGSKGSK(配列番号:19)を含み得る。
Ac-AAH-(SG2-4)1-8-(GSK)2-7、
Ac-AAH-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-C、
Ac-C-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-AAH、
Ac-K-(Xaa2-12-K)2-4-Xaa2-12-AAH, 、
Ac-AAH-Xaa2-12-K-(Xaa2-12-K)2-4、
Ac-AAH-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-C、又は
Ac-C-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-AAHである。
Ac-GHP-(SG2-4)1-8-(GSK)2-7、
Ac-GHP-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-C、
Ac-C-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-GHP、
Ac-K-(Xaa2-12-K)2-4-Xaa2-12-GHP、
Ac-GHP-Xaa2-12-K-(Xaa2-12-K)2-4、
Ac-GHP-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-C、又は
Ac-C-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-GHPである。
Ac-AAHGGSGGSGGSKGSGSKGSK(配列番号:23)、
Ac-GHPGGSGGSGGSKGSGSKGSGSC(配列番号:24)、
Ac-C-Xaa2-K-Xaa2-K-Xaa2-K(配列番号:25)、又は
Ac-C-Xaa6-K-Xaa6-K-Xaa6-K-Xaa6-K-Xaa6-K(配列番号:26)である。
Ac-K-(Xaa2-12-K)2-4-Xaa2-12-C-Xaa2-12-テトラジン、
Ac-K-(Xaa2-12-K)2-4-Xaa2-12-C-Xaa2-12-歪んだアルキン、
テトラジン-Xaa2-12-C(Ac)-(SG2-4)1-8-(GSK)2-7、
歪んだアルキン-Xaa2-12-C(Ac)-(SG2-4)1-8-(GSK)2-7、
テトラジン-Xaa2-12-C(Ac)-Xaa2-12-K-(Xaa2-12-K)2-4、及び
歪んだアルキン-Xaa2-12-C(Ac)-Xaa2-12-K-(Xaa2-12-K)2-4を含むが、これらに限定されない。
Ac-AAH-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-C-Xaa2-12-歪んだアルキン、
テトラジン-Xaa2-12-C(Ac)-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-AAH、
歪んだアルキン-Xaa2-12-C(Ac)-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-AAH、
Ac-AAH-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-C-Xaa2-12-テトラジン、
Ac-AAH-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-C-Xaa2-12-歪んだアルキン、
テトラジン-Xaa2-12-C(Ac)-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-AAH、
歪んだアルキン-Xaa2-12-C(Ac)-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-AAH、
Ac-GHP-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-C-Xaa2-12-テトラジン、
Ac-GHP-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-C-Xaa2-12-歪んだアルキン、
テトラジン-Xaa2-12-C(Ac)-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-GHP、
歪んだアルキン-Xaa2-12-C(AC)-(SG2-4)0-7-(GSK)2-6-(G2-4S)1-8-GHP、
Ac-GHP-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-C-Xaa2-12-テトラジン、
Ac-GHP-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-C-Xaa2-12-歪んだアルキン、
テトラジン-Xaa2-12-C(Ac)-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-GHP、及び
歪んだアルキン-Xaa2-12-C(Ac)-Xaa2-12-K-(Xaa2-12-K)1-3-Xaa2-12-GHPである。
III-(i):Fcに基づく分子構築物の構造
Claims (15)
- 中心コアと、複数のリンクアームと、必要に応じてカップリングアームを含むリンカーユニットであって、
前記中心コアは、(1)第1ポリペプチド、又は(2)第2ポリペプチドを含み、前記第1ポリペプチドが複数のリジン(K)残基を有し、各K残基とその次のK残基との間がグリシン(G)及びセリン(S)残基を有する充填配列により区切られ、前記K残基の数が2〜15であり、前記第2ポリペプチドが(Xaa-K)n配列を有し、各Xaaが2〜12個のエチレングリコール(EG)の繰り返し単位を有するPEG化アミノ酸であり、前記nが2〜15の整数であり、
前記複数のリンクアームは、それぞれ前記中心コアのK残基に結合され、
各前記複数のリンクアームは、その遊離末端にN-ヒドロキシスクシンイミジル(NHS)基、アジド基、アルキン基、テトラジン基、シクロオクテン基、又はシクロオクチン基を有し、
前記中心コアのN末端若しくはC末端にあるアミノ酸残基は、アジド基若しくはアルキン基を有し、又は、前記中心コアのN末端若しくはC末端にあるアミノ酸残基は、システイン残基であり、該システイン残基のチオール基は、前記カップリングアームに結合され、前記カップリングアームは、前記カップリングアームの遊離末端にアジド基、アルキン基、テトラジン基、シクロオクテン基、又はシクロオクチン基を有し、
前記リンクアームの遊離末端がアジド基、アルキン基、又はシクロオクチン基である場合に、前記中心コアN末端又はC末端にあるアミノ酸残基は、システイン残基であり、前記カップリングアームの遊離末端は、テトラジン又はシクロオクテン基であり、
前記リンクアームの遊離末端がテトラジン基又はシクロオクテン基である場合に、前記中心コアのN末端若しくはC末端にあるアミノ酸残基は、アジド基若しくはアルキン基を有し、又は、前記中心コアのN末端若しくはC末端にあるアミノ酸残基は、システイン残基であり、前記のカップリングアーム遊離末端は、アジド基、アルキン基、若しくはシクロオクチン基であるリンカーユニット。 - 各前記リンクアームは、2-20個のEGの繰り返し単位を有するPEG鎖であり、前記カップリングアームは、2-12個のEGの繰り返し単位を有するPEG鎖であり、前記リンクアームのPEG鎖は、必要に応じてジスルフィド結合を有し、前記NHS基、アジド基、アルキン基、テトラジン基、シクロオクテン基、又はシクロオクチン基は、ジスルフィド結合を介して前記リンクアームのPEG鎖に結合される請求項1に記載のリンカーユニット。
- 前記アジド基を有するアミノ酸残基は、L-アジドホモアラニン(AHA)、4-アジド-L-フェニルアラニン、4-アジド-D-フェニルアラニン、3-アジド-L-アラニン、3-アジド-D-アラニン、4-アジド-L-ホモアラニン、4-アジド-D-ホモアラニン、5-アジド-L-オルニチン、5-アジド-d-オルニチン、6-アジド-L-リジン、又は6-アジド-D-リジンであり、
前記アルキン基を有するアミノ酸残基は、L-ホモプロパギルグリシン(L-HPG)、D-ホモプロパギルグリシン(D-HPG)、又はβ-ホモプロパギルグリシン(β-HPG)であり、
前記シクロオクテン基は、トランス-シクロオクテン(TCO)であり、前記シクロオクチン基は、ジベンゾシクロオクチン(DBCO)、ジフルオロシクロオクチン(DIFO)、ビシクロノニン(BCN)、又はジベンゾシクロオクチン(DICO)であり、
前記テトラジン基は、1, 2, 3, 4-テトラジン、1, 2, 3, 5-テトラジン若しくは1, 2, 4, 5-テトラジン、又はそれらの誘導体である請求項1に記載のリンカーユニット。 - 複数の第1成分、必要に応じて第2成分、及び必要に応じて複数の連結アームをさらに含み、
前記複数の第1成分は、アミド結合を形成することにより前記複数のリンクアームに結合され、又は、 via 銅触媒型アジド-アルキン環化付加(CuAAC)反応、歪み促進型アジド-アルキンクリックケミストリー(SPAAC)反応、若しくは逆電子要請型ディールス・アルダー(iEDDA)反応により前記複数のリンクアームに結合され、
前記第2成分は、アジド基又はアルキン基と前記第2成分との間で起きるCuAAC反応、アジド基又はシクロオクチン基と第2成分との間で起きるSPAAC反応、シクロオクテン基又はテトラジン基と第2成分との間で起きるiEDDA反応のいずれかにより中心コアに結合され、
前記複数の連結アームは、CuAAC反応、SPAAC反応、又はiEDDA反応により前記複数のリンクアームにそれぞれ結合され、各前記複数の連結アームは、その遊離末端にマレイミド基又はNHS基を有する請求項1に記載のリンカーユニット。 - 前記複数の第1成分は、アミド結合を形成することにより前記複数のリンクアームにそれぞれ結合され、前記第2成分は、CuAAC反応により、中心コアのN末端又はC末端にあるアジド基又はアルキン基に結合され、前記リンカーユニットは、必要に応じて第3成分をさらに含み、該第3成分は、iEDDA反応により前記カップリングアームに結合され、
前記複数の第1成分は、アミド結合を形成することにより前記複数のリンクアームにそれぞれ結合され、前記第2成分は、SPAAC反応により中心コアのN末端又はC末端にあるアジド基に結合され、前記リンカーユニットは、必要に応じて第3成分をさらに含み、該第3成分は、iEDDA反応により前記カップリングアームに結合される請求項4に記載のリンカーユニット。 - 複数の連結アームをさらに含み、
前記複数の連結アームは、CuAAC反応、SPAAC反応、又はiEDDA反応により前記複数のリンクアームにそれぞれ結合され、各前記複数の連結アームは、その遊離末端にマレイミド基又はNHS基を有する請求項1又は2に記載のリンカーユニット。 - 複数の第1成分、及び、必要に応じて第2成分をさらに含み、
前記複数の第1成分は、チオール-マレイミド反応、又はアミド結合を形成することにより、複数のリンクアームにそれぞれ結合され、
前記第2成分は、アジド基又はアルキン基と前記第2成分との間で起きるCuAAC反応、アジド基又はシクロオクチン基と前記第2成分との間で起きるSPAAC反応、シクロオクテン基又はテトラジン基と前記第2成分との間で起きるiEDDA反応のいずれかにより前記中心コアに結合される請求項6に記載のリンカーユニット。 - 前記1成分は、フィンゴリモド、フィンゴリモドリン酸塩、インターフェロン-β、又はインテグリン-α4、β-アミロイド、ウイルスタンパク質、細菌タンパク質に特異的な一本鎖可変領域断片(scFv)である請求項4又は7に記載のリンカーユニット。
- 前記第1成分がウイルスタンパク質又は細菌タンパク質に特異的なscFvである場合に、前記第2成分は、CD32又はCD16bに特異的なscFvであり、
前記ウイルスタンパク質は、呼吸器合胞体ウイルス(RSV)のFタンパク質、ヒト免疫不全ウイルス1型(HIV-1)のgp120タンパク質、A型インフルエンザウイルスのヘマグルチニンA(HA)タンパク質、又はサイトメガロウイルスの糖タンパク質であり、
前記細菌タンパク質は、グラム陰性菌のエンドトキシン、クロストリジウム・ディフィシルの表面抗原、黄色ブドウ球菌のリポテイコ酸、炭疽菌の炭疽毒素、又は、大腸菌の志賀毒素I型若しくはII型である請求項4又は7に記載のリンカーユニット。 - 中心コアと、複数のリンクアームと、必要に応じて複数の連結アームと、複数の第1成分と、必要に応じて第2成分を含むリンカーユニットであって、
前記中心コアは、(1)第1ポリペプチド又は(2)第2ポリペプチドを含み、前記第1ポリペプチドは、複数のリジン(K)残基を有し、各K残基とその次のK残基がグリシン(G)及びセリン(S)残基を有する充填配列により区切られ、前記K残基の数が2〜15であり、前記第2ポリペプチドは、(Xaa-K)n配列を有し、前記Xaaが2〜12個のエチレングリコール(EG)の繰り返し単位を有するPEG化アミノ酸であり、前記nが2〜15の整数であり、前記中心コアのN末端及びC末端アミノ酸残基の少なくとも1つは、アジド基若しくはアルキン基を有するアミノ酸、又はシステイン残基であり、前記N末端及びC末端アミノ酸残基の1つがシステイン残基である場合に、前記リンカーユニットは、必要に応じてカップリングアームをさらに含み、該カップリングアームは、システイン残基のチオール基によりシステイン残基に結合され、且つ該カップリングアームの遊離末端にアジド基、アルキン基、テトラジン基、シクロオクテン基、又はシクロオクチン基を有し、
前記複数のリンクアームは、それぞれ前記中心コアのK残基に結合され、
前記複数の連結アームは、それぞれCuAAC反応、SPAAC反応、又はiEDDA反応により、前記複数のリンクアームに結合され、
前記複数の第1成分は、それぞれアミド結合を形成すること、又は、チオール-マレイミド反応、CuAAC反応、SPAAC反応若しくはiEDDA反応により前記複数のリンクアームに結合され、或いは、それぞれアミド結合を形成すること、又はチオール-マレイミド反応により複数の連結アームに結合され、
各前記第1成分は、フィンゴリモド、フィンゴリモドリン酸塩、インターフェロン-β、又はインテグリン-α4、β-アミロイド、ウイルスタンパク質、細菌タンパク質に特異的な一本鎖可変領域断片(scFv)であり、
前記複数のリンクアームがCuAAC反応又はSPAAC反応により前記複数の連結アーム又は前記複数の第1成分に結合される場合に、前記中心コアのN末端又はC末端にあるアミノ酸残基は、システイン残基であり、前記カップリングアームの遊離末端は、テトラジン基又はシクロオクテン基であり、
前記複数のリンクアームがiEDDA反応により複数の連結アーム又は複数の第1成分に結合される場合に、前記中心コアのN末端又はC末端にあるアミノ酸残基は、アジド基又はアルキン基を有し、或いは、前記中心コアのN末端又はC末端にあるアミノ酸残基は、システイン残基であり、前記カップリングアームの遊離末端は、アジド基、アルキン基、又はシクロオクチン基であり、
前記第2成分は、アジド基又はアルキンと前記第2成分との間で起きるCuAAC反応、アジド基又はシクロオクチン基と前記第2成分との間で起きるSPAAC反応、及びシクロオクテン基又はテトラジン基と前記第2成分との間で起きるiEDDA反応のいずれかにより前記中心コアに結合されるリンカーユニット。 - 各前記リンクアームは、2-20個のEGの繰り返し単位を有するPEG鎖であり、前記カップリングアームは、2-12個のEGの繰り返し単位を有するPEG鎖である請求項10に記載のリンカーユニット。
- 前記アジド基を有するアミノ酸残基は、L-アジドホモアラニン(AHA)、4-アジド-L-フェニルアラニン、4-アジド-D-フェニルアラニン、3-アジド-L-アラニン、3-アジド-D-アラニン、4-アジド-L-ホモアラニン、4-アジド-D-ホモアラニン、5-アジド-L-オルニチン、5-アジド-d-オルニチン、6-アジド-L-リジン、又は6-アジド-D-リジンであり、
前記アルキン基を有するアミノ酸残基は、L-ホモプロパギルグリシン(L-HPG)、D-ホモプロパギルグリシン(D-HPG)、又はβ-ホモプロパギルグリシン(β-HPG)であり、
前記シクロオクテン基は、トランス-シクロオクテン(TCO)であり、前記シクロオクチン基は、ジベンゾシクロオクチン(DBCO)、ジフルオロシクロオクチン(DIFO)、ビシクロノニン(BCN)、又はジベンゾシクロオクチン(DICO)であり、
前記テトラジン基は、1, 2, 3, 4-テトラジン、1, 2, 3, 5-テトラジン若しくは1, 2, 4, 5-テトラジン、又はそれらの誘導体である請求項10に記載のリンカーユニット。 - 前記第1成分がウイルスタンパク質又は細菌タンパク質に特異的なscFvである場合に、前記第2成分は、CD32又はCD16bに特異的なscFvであり、
前記ウイルスタンパク質は、呼吸器合胞体ウイルス(RSV)のFタンパク質、ヒト免疫不全ウイルスI型(HIV-1)のgp120タンパク質、A型インフルエンザウイルスのヘマグルチニンA(HA)タンパク質、又はサイトメガロウイルスの糖タンパク質であり、
前記細菌タンパク質は、グラム陰性菌のエンドトキシン、クロストリジウム・ディフィシルの表面抗原、黄色ブドウ球菌のリポテイコ酸、炭疽菌の炭疽毒素、又は大腸菌の志賀毒素I型若しくはII型である請求項10に記載のリンカーユニット。 - 前記第1成分がフィンゴリモド、フィンゴリモドリン酸塩、インターフェロン-β、又はインテグリン-α4若しくはβ-アミロイドに特異的なscFvである場合に、前記第2成分は、トランスフェリン受容体に特異的なscFvである請求項10に記載のリンカーユニット。
- 前記複数の第1成分がそれぞれアミド結合を形成すること、又はチオール-マレイミド反応により前記複数のリンクアームに結合され、前記第2成分がCuAAC反応により、前記中心コアのN末端又はC末端アミノ酸残基のアジド基又はアルキン基に結合される場合に、前記リンカーユニットは、必要に応じて第3成分をさらに含み、該第3成分は、iEDDA反応により前記カップリングアームに結合され、
前記複数の第1成分がそれぞれアミド結合を形成すること、又はチオール-マレイミド反応により、前記複数のリンクアームに結合され、前記第2成分は、SPAAC反応により、前記の中心コアのN末端又はC末端アミノ酸残基のアジド基若しくはシクロオクチン基に結合される場合に、前記リンカーユニットは、必要に応じて第3成分をさらに含み、該第3成分は、iEDDA反応により前記カップリングアームに結合される請求項10に記載のリンカーユニット。
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