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JPWO2020076970A5
JPWO2020076970A5 JP2021520197A JP2021520197A JPWO2020076970A5 JP WO2020076970 A5 JPWO2020076970 A5 JP WO2020076970A5 JP 2021520197 A JP2021520197 A JP 2021520197A JP 2021520197 A JP2021520197 A JP 2021520197A JP WO2020076970 A5 JPWO2020076970 A5 JP WO2020076970A5
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amino acid
acid sequence
polypeptide construct
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JP2022512684A (en
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Priority claimed from PCT/US2019/055427 external-priority patent/WO2020076970A1/en
Publication of JP2022512684A publication Critical patent/JP2022512684A/en
Publication of JPWO2020076970A5 publication Critical patent/JPWO2020076970A5/ja
Priority to JP2024148159A priority Critical patent/JP2024167342A/en
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Description

いくつかの態様において、抗CD3ε結合ドメインは、
少なくともアミノ酸配列GFTFNTYAMN(SEQ ID NO:471)を含むVH CDR1配列;
少なくともアミノ酸配列RIRSKYNNYATY(SEQ ID NO:472)を含むVH CDR2配列;
少なくともアミノ酸配列HGNFGNSYVSWFAY (SEQ ID NO: 221)を含むVH CDR3配列;
少なくともアミノ酸配列RSSTGAVTTSNYAN (SEQ ID NO: 222)を含むVL CDR1配列;
少なくともアミノ酸配列GTNKRAP(SEQ ID NO:223)を含むVL CDR2配列;および
少なくともアミノ酸配列ALWYSNLWV(SEQ ID NO:224)を含むVL CDR3配列
を含む。
In some embodiments, the anti-CD3ε binding domain comprises
a VH CDR1 sequence comprising at least the amino acid sequence GFTNTYAMN (SEQ ID NO: 471);
a VH CDR2 sequence comprising at least the amino acid sequence RIRSKYNNYATY (SEQ ID NO: 472);
a VH CDR3 sequence comprising at least the amino acid sequence HGNFGNSYVSWFAY (SEQ ID NO: 221);
a VL CDR1 sequence comprising at least the amino acid sequence RSSTGAVTTSNYAN (SEQ ID NO: 222 );
a VL CDR2 sequence comprising at least the amino acid sequence GTNKRAP (SEQ ID NO: 223 ); and a VL CDR3 sequence comprising at least the amino acid sequence ALWYSNLWV (SEQ ID NO: 224 ).

Claims (50)

B7H3に特異的に結合する少なくとも1つの重鎖のみの可変ドメイン(B7H3 VHHドメイン)と、B7H3以外の標的に結合する1つまたは複数の追加の結合ドメインとを含む、B7H3結合ポリペプチド構築物。 A B7H3-binding polypeptide construct comprising at least one heavy chain-only variable domain (B7H3 VHH domain) that specifically binds to B7H3 and one or more additional binding domains that bind to targets other than B7H3. SEQ ID NO:115、116、117、118、119、120、121、122、123、124、125、126、127、128、129、130、131、132、133、134、135、136、137、138、139、140、141、142、143、144、および145からなる群より選択されるアミノ酸配列を含む相補性決定領域1(CDR1);
SEQ ID NO:146、147、148、149、150、151、152、153、154、155、156、157、158、159、160、161、162、163、164、165、166、および167からなる群より選択されるアミノ酸配列を含む相補性決定領域2(CDR2);ならびに
SEQ ID NO:168、169、170、171、172、173、174、175、176、177、178、179、180、181、182、183、184、185、186、187、188、189、および483~488からなる群より選択されるアミノ酸配列を含む相補性決定領域3(CDR3)
を含む少なくとも1つの重鎖のみの可変ドメイン(B7H3 VHHドメイン)
を含む、B7H3結合ポリペプチド構築物。
SEQ ID NOs: 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, complementarity determining region 1 (CDR1) comprising an amino acid sequence selected from the group consisting of 138, 139, 140, 141, 142, 143, 144, and 145;
SEQ ID NO: 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, and 167 a complementarity determining region 2 (CDR2) comprising an amino acid sequence selected from the group; and
SEQ ID NOs: 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, and 483 a complementarity determining region 3 (CDR3) comprising an amino acid sequence selected from the group consisting of -488
at least one heavy chain-only variable domain (B7H3 VHH domain) containing
A B7H3-binding polypeptide construct comprising:
B7H3以外の標的に結合する1つまたは複数の追加の結合ドメインを含む、請求項2記載のB7H3結合ポリペプチド構築物。 3. The B7H3 binding polypeptide construct of claim 2, comprising one or more additional binding domains that bind targets other than B7H3. 前記B7H3がヒトB7H3である、請求項1~3のいずれか一項記載のB7H3結合ポリペプチド構築物。 4. The B7H3 binding polypeptide construct of any one of claims 1-3, wherein said B7H3 is human B7H3. 前記少なくとも1つのB7H3 VHHドメインがヒト化されている、請求項1~4のいずれか一項記載のB7H3結合ポリペプチド構築物。 5. The B7H3 binding polypeptide construct of any one of claims 1-4, wherein said at least one B7H3 VHH domain is humanized. 前記1つまたは複数の追加の結合ドメインが、免疫細胞、任意でT細胞またはナチュラルキラー(NK)細胞上の活性化受容体に結合する、請求項1および3~5のいずれか一項記載のB7H3結合ポリペプチド構築物。 6. Any one of claims 1 and 3-5 , wherein said one or more additional binding domains bind to activated receptors on immune cells , optionally T cells or natural killer (NK) cells . B7H3 binding polypeptide constructs. 前記活性化受容体が、CD3またはCD16である、請求項6記載のB7H3結合ポリペプチド構築物。 7. The B7H3 binding polypeptide construct of claim 6, wherein said activating receptor is CD3 or CD16 . 前記少なくとも1つのB7H3 VHHドメインが、放射性作用物質にコンジュゲートされている、請求項1~7のいずれか一項記載のB7H3結合ポリペプチド構築物。 8. The B7H3 binding polypeptide construct of any one of claims 1-7, wherein said at least one B7H3 VHH domain is conjugated to a radioactive agent. 前記1つまたは複数の追加の結合ドメインが、サイトカイン受容体に結合する、請求項1および3~8のいずれか一項記載のB7H3結合ポリペプチド構築物。 The B7H3 binding polypeptide construct of any one of claims 1 and 3-8, wherein said one or more additional binding domains bind to a cytokine receptor. 免疫グロブリンFc領域を含む、請求項1~9のいずれか一項記載のB7H3結合ポリペプチド構築物。 10. The B7H3 binding polypeptide construct of any one of claims 1-9 , comprising an immunoglobulin Fc region. 前記Fc領域がホモ二量体Fc領域である、請求項10記載のB7H3結合ポリペプチド構築物。 11. The B7H3 binding polypeptide construct of claim 10 , wherein said Fc region is a homodimeric Fc region. 前記Fc領域がヘテロ二量体Fc領域である、請求項10記載のB7H3結合ポリペプチド構築物。 11. The B7H3 binding polypeptide construct of claim 10 , wherein said Fc region is a heterodimeric Fc region. 前記少なくとも1つのB7H3 VHHドメインが、(i)SEQ ID NO:1に示される配列、(ii)SEQ ID NO:1のヒト化バリアント、または(iii)SEQ ID NO:1に対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is (i) a sequence set forth in SEQ ID NO:1, (ii) a humanized variant of SEQ ID NO:1, or (iii) at least 85% relative to SEQ ID NO:1 , 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity and binds to B7H3 . (a)前記少なくとも1つのB7H3 VHHドメインが、
SEQ ID NO:115、116、117、118、119、120121、および122からなる群より選択されるアミノ酸配列を含むCDR1;
SEQ ID NO:146、147、148、149、150、および151からなる群より選択されるアミノ酸配列を含むCDR2;ならびに
SEQ ID NO:168および169からなる群より選択されるアミノ酸配列を含むCDR3
を含む、かつ/または
(b)前記少なくとも1つのB7H3 VHHドメインが、
それぞれSEQ ID NO:115、146、および168;
それぞれSEQ ID NO:115、147、および168;
それぞれSEQ ID NO:115、148、および168;
それぞれSEQ ID NO:115、149、および168;
それぞれSEQ ID NO:115、150、および168;
それぞれSEQ ID NO:116、146、および168;
それぞれSEQ ID NO:117、146、および168;
それぞれSEQ ID NO:118、146、および168;
それぞれSEQ ID NO:115、146、および169;
それぞれSEQ ID NO:119、146、および168;
それぞれSEQ ID NO:120、146、および168;
それぞれSEQ ID NO:115、151、および168;
それぞれSEQ ID NO:116、147、および168;
それぞれSEQ ID NO:118、147、および168;
それぞれSEQ ID NO:119、147、および168;
それぞれSEQ ID NO:116、151、および168;
それぞれSEQ ID NO:115、146、および168;
それぞれSEQ ID NO:121、147、および168;
それぞれSEQ ID NO:115、146、および168;
それぞれSEQ ID NO:119、149、および168;もしくは
それぞれSEQ ID NO:122、151、および168
に示されるCDR1、CDR2、およびCDR3を含む、
請求項1~13のいずれか一項記載のB7H3結合ポリペプチド構築物。
(a) said at least one B7H3 VHH domain is
a CDR1 comprising an amino acid sequence selected from the group consisting of SEQ ID NOs: 115, 116, 117, 118, 119, 120 , 121 , and 122 ;
a CDR2 comprising an amino acid sequence selected from the group consisting of SEQ ID NO: 146, 147, 148, 149, 150, and 151; and
SEQ ID NO: CDR3 comprising an amino acid sequence selected from the group consisting of 168 and 169
and/or
(b) said at least one B7H3 VHH domain is
SEQ ID NOs: 115, 146, and 168, respectively;
SEQ ID NOs: 115, 147, and 168, respectively;
SEQ ID NOs: 115, 148, and 168, respectively;
SEQ ID NOs: 115, 149, and 168, respectively;
SEQ ID NOs: 115, 150, and 168, respectively;
SEQ ID NOs: 116, 146, and 168, respectively;
SEQ ID NOs: 117, 146, and 168, respectively;
SEQ ID NOs: 118, 146, and 168, respectively;
SEQ ID NOs: 115, 146, and 169, respectively;
SEQ ID NOs: 119, 146, and 168, respectively;
SEQ ID NOs: 120, 146, and 168, respectively;
SEQ ID NOs: 115, 151, and 168, respectively;
SEQ ID NOs: 116, 147, and 168, respectively;
SEQ ID NOs: 118, 147, and 168, respectively;
SEQ ID NOs: 119, 147, and 168, respectively;
SEQ ID NOs: 116, 151, and 168, respectively;
SEQ ID NOs: 115, 146, and 168, respectively;
SEQ ID NOs: 121, 147, and 168, respectively;
SEQ ID NOs: 115, 146, and 168, respectively;
SEQ ID NOs: 119, 149, and 168, respectively; or
SEQ ID NOs: 122, 151, and 168, respectively
including CDR1, CDR2, and CDR3 shown in
A B7H3 binding polypeptide construct according to any one of claims 1-13 .
前記少なくとも1つのB7H3 VHHドメインが、SEQ ID NO:8~34、467、489~490、および492~497のいずれか1つに示されるアミノ酸の配列、もしくはSEQ ID NO:8~34、467、489~490、および492~497のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、かつ/または
前記少なくとも1つのB7H3 VHHドメインが、SEQ ID NO:8~34、467、489~490、および492~497のいずれか1つに示されるアミノ酸の配列を含む、
請求項1~14のいずれか一項記載のB7H3結合ポリペプチド構築物。
said at least one B7H3 VHH domain is a sequence of amino acids set forth in any one of SEQ ID NOs: 8-34, 467, 489-490, and 492-497, or SEQ ID NOs: 8-34, 467; at least 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95% for any one of 489-490 and 492-497, comprises a sequence of amino acids exhibiting 96%, 97%, 98% or 99% sequence identity and binds to B7H3; and/or
said at least one B7H3 VHH domain comprises a sequence of amino acids set forth in any one of SEQ ID NOs: 8-34, 467, 489-490, and 492-497;
A B7H3 binding polypeptide construct according to any one of claims 1-14 .
前記少なくとも1つのB7H3 VHHドメインが、(i)SEQ ID NO:35に示される配列、(ii)SEQ ID NO:35のヒト化バリアント、または(iii)SEQ ID NO:35に対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is (i) a sequence set forth in SEQ ID NO:35, (ii) a humanized variant of SEQ ID NO:35, or (iii) at least 85% relative to SEQ ID NO:35 , 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity and binds to B7H3 . (a)前記少なくとも1つのB7H3 VHHドメインが、
SEQ ID NO:123に示されるアミノ酸配列を含むCDR1;
SEQ ID NO:152および153からなる群より選択されるアミノ酸配列を含むCDR2;ならびに
SEQ ID NO:170および171からなる群より選択されるアミノ酸配列を含むCDR3
を含む、かつ/または
(b)前記少なくとも1つのB7H3 VHHドメインが、
それぞれSEQ ID NO:123、152、および170;
それぞれSEQ ID NO:123、152、および171;
それぞれSEQ ID NO:123、153、および170;もしくは
それぞれSEQ ID NO:123、153、および171
に示されるCDR1、CDR2、およびCDR3を含む、
請求項1~12および16のいずれか一項記載のB7H3結合ポリペプチド構築物
(a) said at least one B7H3 VHH domain is
a CDR1 comprising the amino acid sequence shown in SEQ ID NO:123;
a CDR2 comprising an amino acid sequence selected from the group consisting of SEQ ID NO: 152 and 153; and
SEQ ID NO: CDR3 comprising an amino acid sequence selected from the group consisting of 170 and 171
and/or
(b) said at least one B7H3 VHH domain is
SEQ ID NOs: 123, 152, and 170, respectively;
SEQ ID NOs: 123, 152, and 171, respectively;
SEQ ID NOs: 123, 153, and 170, respectively; or
SEQ ID NOs: 123, 153, and 171, respectively
including CDR1, CDR2, and CDR3 shown in
A B7H3 binding polypeptide construct according to any one of claims 1-12 and 16 .
前記少なくとも1つのB7H3 VHHドメインが、SEQ ID NO:40、41、もしくは498~503のいずれか1つに示されるアミノ酸の配列、またはSEQ ID NO:40、41、もしくは498~503のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12および16~17のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is a sequence of amino acids set forth in any one of SEQ ID NOs: 40, 41, or 498-503, or any one of SEQ ID NOs: 40, 41, or 498-503 at least 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% of 18. The B7H3 binding polypeptide construct of any one of claims 1-12 and 16-17 , comprising a sequence of amino acids exhibiting sequence identity to and binding to B7H3. 前記少なくとも1つのB7H3 VHHドメインが、(i)SEQ ID NO:44に示される配列、(ii)SEQ ID NO:44のヒト化バリアント、または(iii)SEQ ID NO:44に対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is (i) a sequence set forth in SEQ ID NO:44, (ii) a humanized variant of SEQ ID NO:44, or (iii) at least 85% relative to SEQ ID NO:44 , 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity and binds to B7H3 . (a)前記少なくとも1つのB7H3 VHHドメインが、
SEQ ID NO:124、125、126、127、128、129、130、131、132、および133からなる群より選択されるアミノ酸配列を含むCDR1;
SEQ ID NO:154に示されるアミノ酸配列を含むCDR2;ならびに
SEQ ID NO:172、173、174、175、176、177、178、179、180、181、182、および183からなる群より選択されるアミノ酸配列を含むCDR3
を含む、かつ/または
(b)前記少なくとも1つのB7H3 VHHドメインが、
それぞれSEQ ID NO:124、154、および172;
それぞれSEQ ID NO:124、154、および173;
それぞれSEQ ID NO:124、154、および174;
それぞれSEQ ID NO:124、154、および175;
それぞれSEQ ID NO:125、154、および173;
それぞれSEQ ID NO:126、154、および173;
それぞれSEQ ID NO:127、154、および173;
それぞれSEQ ID NO:128、154、および173;
それぞれSEQ ID NO:129、154、および173;
それぞれSEQ ID NO:130、154、および173;
それぞれSEQ ID NO:131、154、および173;
それぞれSEQ ID NO:124、154、および176;
それぞれSEQ ID NO:124、154、および177;
それぞれSEQ ID NO:124、154、および178;
それぞれSEQ ID NO:124、154、および179;
それぞれSEQ ID NO:124、154、および180;
それぞれSEQ ID NO:124、154、および181;
それぞれSEQ ID NO:124、154、および182;
それぞれSEQ ID NO:124、154、および183;
それぞれSEQ ID NO:126、154、および176;
それぞれSEQ ID NO:124、154、および179;
それぞれSEQ ID NO:124、154、および182;
それぞれSEQ ID NO:132、154、および176;もしくは
それぞれSEQ ID NO:133、154、および173
に示されるCDR1、CDR2、およびCDR3を含む、
請求項1~12および19のいずれか一項記載のB7H3結合ポリペプチド構築物。
(a) said at least one B7H3 VHH domain is
a CDR1 comprising an amino acid sequence selected from the group consisting of SEQ ID NO: 124, 125, 126, 127, 128, 129, 130, 131, 132, and 133;
a CDR2 comprising the amino acid sequence shown in SEQ ID NO:154; and
a CDR3 comprising an amino acid sequence selected from the group consisting of SEQ ID NO: 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, and 183
and/or
(b) said at least one B7H3 VHH domain is
SEQ ID NOs: 124, 154, and 172, respectively;
SEQ ID NOs: 124, 154, and 173, respectively;
SEQ ID NOs: 124, 154, and 174, respectively;
SEQ ID NOs: 124, 154, and 175, respectively;
SEQ ID NOs: 125, 154, and 173, respectively;
SEQ ID NOs: 126, 154, and 173, respectively;
SEQ ID NOs: 127, 154, and 173, respectively;
SEQ ID NOs: 128, 154, and 173, respectively;
SEQ ID NOs: 129, 154, and 173, respectively;
SEQ ID NOs: 130, 154, and 173, respectively;
SEQ ID NOs: 131, 154, and 173, respectively;
SEQ ID NOs: 124, 154, and 176, respectively;
SEQ ID NOs: 124, 154, and 177, respectively;
SEQ ID NOs: 124, 154, and 178, respectively;
SEQ ID NOs: 124, 154, and 179, respectively;
SEQ ID NOs: 124, 154, and 180, respectively;
SEQ ID NOs: 124, 154, and 181, respectively;
SEQ ID NOs: 124, 154, and 182, respectively;
SEQ ID NOs: 124, 154, and 183, respectively;
SEQ ID NOs: 126, 154, and 176, respectively;
SEQ ID NOs: 124, 154, and 179, respectively;
SEQ ID NOs: 124, 154, and 182, respectively;
SEQ ID NOs: 132, 154, and 176, respectively; or
SEQ ID NOs: 133, 154, and 173, respectively
including CDR1, CDR2, and CDR3 shown in
A B7H3 binding polypeptide construct according to any one of claims 1-12 and 19 .
前記少なくとも1つのB7H3 VHHドメインが、SEQ ID NO:56~91、466、および504~514のいずれか1つに示されるアミノ酸の配列、またはSEQ ID NO:56~91、466、および504~514のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12および1920のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is a sequence of amino acids set forth in any one of SEQ ID NOs: 56-91, 466 and 504-514, or SEQ ID NOs: 56-91, 466 and 504-514 at least 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% for any one of , or a sequence of amino acids exhibiting 99 % sequence identity, and which binds to B7H3 . 前記少なくとも1つのB7H3 VHHドメインが、(i)SEQ ID NO:105に示される配列、(ii)SEQ ID NO:105のヒト化バリアント、または(iii)SEQ ID NO:105に対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is (i) a sequence set forth in SEQ ID NO: 105, (ii) a humanized variant of SEQ ID NO: 105, or (iii) at least 85% relative to SEQ ID NO: 105 , 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity and binds to B7H3 . 前記少なくとも1つのB7H3 VHHドメインが、
SEQ ID NO:145に示されるアミノ酸配列を含むCDR1;
SEQ ID NO:167に示されるアミノ酸配列を含むCDR2;ならびに
SEQ ID NO:488に示されるアミノ酸配列を含むCDR3
を含む、請求項1~12および22のいずれか一項記載のB7H3結合ポリペプチド構築物。
said at least one B7H3 VHH domain is
a CDR1 comprising the amino acid sequence shown in SEQ ID NO:145;
a CDR2 comprising the amino acid sequence shown in SEQ ID NO:167; and
CDR3 comprising the amino acid sequence shown in SEQ ID NO:488
The B7H3-binding polypeptide construct of any one of claims 1-12 and 22 , comprising:
前記少なくとも1つのB7H3 VHHドメインが、SEQ ID NO:106~109のいずれか1つに示されるアミノ酸の配列、またはSEQ ID NO:106~109のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12および22~23のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is a sequence of amino acids set forth in any one of SEQ ID NOs: 106-109, or at least 85%, 86% relative to any one of SEQ ID NOs: 106-109 , 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity. 24. The B7H3 binding polypeptide construct of any one of claims 1-12 and 22-23 , comprising and binding to B7H3. 前記少なくとも1つのB7H3 VHHドメインが、(i)SEQ ID NO:110に示される配列、(ii)SEQ ID NO:110のヒト化バリアント、または(iii)SEQ ID NO:110に対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is (i) a sequence shown in SEQ ID NO:110, (ii) a humanized variant of SEQ ID NO:110, or (iii) at least 85% relative to SEQ ID NO:110 , 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity and binds to B7H3 . 前記少なくとも1つのB7H3 VHHドメインが、
SEQ ID NO:139に示されるアミノ酸配列を含むCDR1;
SEQ ID NO:161に示されるアミノ酸配列を含むCDR2;ならびに
SEQ ID NO:189に示されるアミノ酸配列を含むCDR3
を含む、請求項1~12および25のいずれか一項記載のB7H3結合ポリペプチド構築物
said at least one B7H3 VHH domain is
a CDR1 comprising the amino acid sequence shown in SEQ ID NO:139;
a CDR2 comprising the amino acid sequence shown in SEQ ID NO:161; and
CDR3 comprising the amino acid sequence shown in SEQ ID NO:189
The B7H3-binding polypeptide construct of any one of claims 1-12 and 25 , comprising:
前記少なくとも1つのB7H3 VHHドメインが、SEQ ID NO:515~518のいずれか1つに示されるアミノ酸の配列、またはSEQ ID NO:515~518のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、請求項1~12および25~26のいずれか一項記載のB7H3結合ポリペプチド構築物。 said at least one B7H3 VHH domain is a sequence of amino acids set forth in any one of SEQ ID NOs: 515-518, or at least 85%, 86% relative to any one of SEQ ID NOs: 515-518 , 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity. 27. The B7H3 binding polypeptide construct of any one of claims 1-12 and 25-26 , comprising and binding to B7H3. (a)第1のFcポリペプチドと第2のFcポリペプチドとを含むヘテロ二量体Fc領域を含む、第1の構成要素、および(b)可変重鎖領域(VH)と可変軽鎖領域(VL)とを含む抗CD3抗体または抗原結合断片を含む、第2の構成要素
を含
抗CD3抗体または抗原結合断片を構成するVHおよびVLが、ヘテロ二量体Fcの相対するポリペプチドに連結されており;
第1および第2の構成要素が、リンカーによってカップリングされ、へテロ二量体Fc領域が、抗CD3抗体または抗原結合断片アミノ末端に位置づけられ;かつ
第1および第2の構成要素の一方または両方が、前記少なくとも1つのB7H3 VHHドメインを含む、
請求項1~27のいずれか一項記載のB7H3結合ポリペプチド構築物。
(a) a first component comprising a heterodimeric Fc region comprising a first Fc polypeptide and a second Fc polypeptide, and (b) a variable heavy chain region (VH) and a variable light chain region a second component comprising an anti- CD3 antibody or antigen-binding fragment comprising (VL) and
the VH and VL that make up the anti-CD3 antibody or antigen-binding fragment are linked to opposing polypeptides of the heterodimeric Fc;
the first and second components are coupled by a linker and the heterodimeric Fc region is positioned at the amino terminus of the anti-CD3 antibody or antigen-binding fragment ; and one of the first and second components or both comprise said at least one B7H3 VHH domain ,
28. The B7H3 binding polypeptide construct of any one of claims 1-27 .
前記へテロ二量体Fcが第1および第2のFcポリペプチドを含み、該へテロ二量体Fc領域の第1および第2のFcポリペプチドの各々が、ノブイントゥホール(knob-into-hole)改変を含む、または該ポリペプチドの静電的相補性を増加させる電荷の変異を含む、請求項28記載のB7H3結合ポリペプチド構築物。 Said heterodimeric Fc comprises first and second Fc polypeptides, wherein each of said first and said second Fc polypeptides of said heterodimeric Fc region is knob-into-hole (knob- 29. The B7H3 binding polypeptide construct of claim 28 , comprising an into-hole modification, or a charge mutation that increases the electrostatic complementarity of said polypeptide. 前記抗CD3抗体または抗原結合断片が、Fv抗体断片である、請求項28または29記載のB7H3結合ポリペプチド構築物。 30. The B7H3 binding polypeptide construct of claim 28 or 29 , wherein said anti-CD3 antibody or antigen binding fragment is an Fv antibody fragment. 前記Fv抗体断片が、ジスルフィド安定化抗CD3結合Fv断片(dsFv)を含む、請求項30記載のB7H3結合ポリペプチド構築物。 31. The B7H3 binding polypeptide construct of claim 30 , wherein said Fv antibody fragment comprises a disulfide stabilized anti-CD3 binding Fv fragment (dsFv). (a)前記抗CD3抗体もしくは抗原結合断片が、
アミノ酸配列TYAMN(SEQ ID NO:219)を含むVH CDR1;
アミノ酸配列RIRSKYNNYATYYADSVKD (SEQ ID NO: 220)を含むVH CDR2;
アミノ酸配列HGNFGNSYVSWFAY (SEQ ID NO: 221)を含むVH CDR3、
アミノ酸配列RSSTGAVTTSNYAN (SEQ ID NO: 222)を含むVL CDR1;
アミノ酸配列GTNKRAP(SEQ ID NO:223)を含むVL CDR2;および
アミノ酸配列ALWYSNLWV(SEQ ID NO:224)を含むVL CDR3
を含む、
(b)前記抗CD3抗体もしくは抗原結合断片が、
アミノ酸配列GFTFNTYAMN(SEQ ID NO:471)を含むVH CDR1;
アミノ酸配列RIRSKYNNYATY(SEQ ID NO:472)を含むVH CDR2;
アミノ酸配列HGNFGNSYVSWFAY (SEQ ID NO: 221)を含むVH CDR3、
アミノ酸配列RSSTGAVTTSNYAN (SEQ ID NO: 222)を含むVL CDR1;
アミノ酸配列GTNKRAP(SEQ ID NO:223)を含むVL CDR2;および
アミノ酸配列ALWYSNLWV(SEQ ID NO:224)を含むVL CDR3
を含む、
(c)前記抗CD3抗体もしくは抗原結合断片が、
アミノ酸配列GFTFNTYAMN(SEQ ID NO:471)を含むVH CDR1;
アミノ酸配列RIRSKYNNYATY(SEQ ID NO:472)を含むVH CDR2;
アミノ酸配列HGNFGNSYVSWFAY (SEQ ID NO: 221)を含むVH CDR3、
アミノ酸配列GSSTGAVTTSNYAN (SEQ ID NO: 478)を含むVL CDR1;
アミノ酸配列GTNKRAP(SEQ ID NO:223)を含むVL CDR2;および
アミノ酸配列ALWYSNHWV(SEQ ID NO:474)を含むVL CDR3
を含む、
(d)前記抗CD3抗体もしくは抗原結合断片が、
アミノ酸配列GFTFSTYAMN(SEQ ID NO:476)を含むVH CDR1;
アミノ酸配列RIRSKYNNYATY(SEQ ID NO:477)を含むVH CDR2;
アミノ酸配列HGNFGDSYVSWFAY (SEQ ID NO: 473)を含むVH CDR3、
アミノ酸配列GSSTGAVTTSNYAN (SEQ ID NO: 478)を含むVL CDR1;
アミノ酸配列GTNKRAP(SEQ ID NO:223)を含むVL CDR2;および
アミノ酸配列ALWYSNHWV(SEQ ID NO:474)を含むVL CDR3
を含む、かつ/または
(e)抗CD3抗体もしくは抗原結合断片が、
SEQ ID NO:225~255、480、460、もしくは462のいずれかのアミノ酸配列、もしくはSEQ ID NO:225~255、480、460、もしくは462のいずれかに対して少なくとも90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示す配列を有し、かつCD3に結合するVH;および、
SEQ ID NO:256~274、417、459、もしくは461のいずれかのアミノ酸配列、またはSEQ ID NO:256~274、417、459、もしくは461のいずれかに対して少なくとも90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示す配列を有し、かつCD3に結合するVL
を含む、
請求項2831のいずれか一項記載のB7H3結合ポリペプチド構築物。
(a) the anti-CD3 antibody or antigen-binding fragment is
VH CDR1 comprising the amino acid sequence TYAMN (SEQ ID NO: 219);
VH CDR2 comprising the amino acid sequence RIRSKYNNYATYYADSVKD (SEQ ID NO: 220);
a VH CDR3 comprising the amino acid sequence HGNFGNSYVSWFAY (SEQ ID NO: 221);
VL CDR1 comprising the amino acid sequence RSSTGAVTTSNYAN (SEQ ID NO: 222);
VL CDR2 comprising the amino acid sequence GTNKRAP (SEQ ID NO:223); and VL CDR3 comprising the amino acid sequence ALWYSNLWV (SEQ ID NO:224).
including,
(b) the anti-CD3 antibody or antigen-binding fragment is
VH CDR1 comprising the amino acid sequence GFTNTYAMN (SEQ ID NO: 471);
VH CDR2 comprising the amino acid sequence RIRSKYNNYATY (SEQ ID NO: 472);
a VH CDR3 comprising the amino acid sequence HGNFGNSYVSWFAY (SEQ ID NO: 221);
VL CDR1 comprising the amino acid sequence RSSTGAVTTSNYAN (SEQ ID NO: 222);
VL CDR2 comprising the amino acid sequence GTNKRAP (SEQ ID NO: 223); and
VL CDR3 containing the amino acid sequence ALWYSNLWV (SEQ ID NO: 224)
including,
(c) the anti-CD3 antibody or antigen-binding fragment is
VH CDR1 comprising the amino acid sequence GFTNTYAMN (SEQ ID NO: 471);
VH CDR2 comprising the amino acid sequence RIRSKYNNYATY (SEQ ID NO: 472);
a VH CDR3 comprising the amino acid sequence HGNFGNSYVSWFAY (SEQ ID NO: 221);
VL CDR1 comprising the amino acid sequence GSSTGAVTTSNYAN (SEQ ID NO: 478);
VL CDR2 comprising the amino acid sequence GTNKRAP (SEQ ID NO: 223); and
VL CDR3 containing the amino acid sequence ALWYSNHWV (SEQ ID NO: 474)
including,
(d) the anti-CD3 antibody or antigen-binding fragment is
VH CDR1 comprising the amino acid sequence GFTFSTYAMN (SEQ ID NO: 476);
VH CDR2 comprising the amino acid sequence RIRSKYNNYATY (SEQ ID NO: 477);
a VH CDR3 comprising the amino acid sequence HGNFGDSYVSWFAY (SEQ ID NO: 473);
VL CDR1 comprising the amino acid sequence GSSTGAVTTSNYAN (SEQ ID NO: 478);
VL CDR2 comprising the amino acid sequence GTNKRAP (SEQ ID NO: 223); and
VL CDR3 containing the amino acid sequence ALWYSNHWV (SEQ ID NO: 474)
and/or
(e) an anti-CD3 antibody or antigen-binding fragment,
amino acid sequence of any of SEQ ID NOs: 225-255, 480, 460, or 462 or at least 90%, 91%, 92 of any of SEQ ID NOs: 225-255, 480, 460, or 462 VHs having sequences exhibiting %, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity and that bind to CD3; and
amino acid sequence of any of SEQ ID NOs: 256-274, 417, 459, or 461 or at least 90%, 91%, 92 of any of SEQ ID NOs: 256-274, 417, 459, or 461 VL having a sequence exhibiting %, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity and that binds to CD3
including,
32. The B7H3 binding polypeptide construct of any one of claims 28-31 .
前記少なくとも1つのB7H3 VHHドメインが、前記Fc領域に対してアミノ末端に、かつ/または前記抗CD3抗体もしくは抗原結合断片に対してカルボキシ末端に位置づけられた、請求項2832のいずれか一項記載のB7H3結合ポリペプチド構築物。 33. Any one of claims 28-32 , wherein said at least one B7H3 VHH domain is positioned amino-terminally to said Fc region and/or carboxy-terminally to said anti-CD3 antibody or antigen-binding fragment . A B7H3-binding polypeptide construct as described. B7H3に特異的に結合する第1のB7H3 VHHドメインと、B7H3に特異的に結合する第2のB7H3 VHHドメインとを含む、請求項2833のいずれか一項記載のB7H3結合ポリペプチド構築物。 34. The B7H3 binding polypeptide construct of any one of claims 28-33 , comprising a first B7H3 VHH domain that specifically binds B7H3 and a second B7H3 VHH domain that specifically binds B7H3. 前記第1および前記第2の構成要素の一方または両方が、共刺激受容体に結合する少なくとも1つの共刺激受容体結合領域(CRBR)を含む、かつ/または
前記第1および前記第2の構成要素の一方または両方が、抑制性受容体に結合する少なくとも1つの抑制性受容体結合領域(IRBR)を含む、
請求項2834のいずれか一項記載のB7H3結合ポリペプチド構築物。
one or both of said first and said second components comprise at least one costimulatory receptor binding region (CRBR) that binds to a costimulatory receptor; and/or
one or both of said first and said second components comprises at least one inhibitory receptor binding region (IRBR) that binds to an inhibitory receptor;
A B7H3 binding polypeptide construct according to any one of claims 28-34 .
前記リンカーが、切断不可能なリンカーまたは切断可能なリンカーである、請求項2835のいずれか一項記載のB7H3結合ポリペプチド構築物。 36. The B7H3 binding polypeptide construct of any one of claims 28-35 , wherein said linker is a non-cleavable linker or a cleavable linker . SEQ ID NO:115、116、117、118、119、120、121、122、123、124、125、126、127、128、129、130、131、132、133、134、135、136、137、138、139、140、141、142、143、144、および145からなる群より選択されるアミノ酸配列を含む相補性決定領域1(CDR1);
SEQ ID NO:146、147、148、149、150、151、152、153、154、155、156、157、158、159、160、161、162、163、164、165、166、および167からなる群より選択されるアミノ酸配列を含む相補性決定領域2(CDR2);ならびに
SEQ ID NO:168、169、170、171、172、173、174、175、176、177、178、179、180、181、182、183、184、185、186、187、188、189、および483~488からなる群より選択されるアミノ酸配列を含む相補性決定領域3(CDR3)
を含む、B7H3に結合する単離されたシングルドメイン抗体(sdAb)
SEQ ID NOs: 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, complementarity determining region 1 (CDR1) comprising an amino acid sequence selected from the group consisting of 138, 139, 140, 141, 142, 143, 144, and 145;
SEQ ID NO: 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, and 167 a complementarity determining region 2 (CDR2) comprising an amino acid sequence selected from the group; and
SEQ ID NOs: 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, and 483 a complementarity determining region 3 (CDR3) comprising an amino acid sequence selected from the group consisting of -488
An isolated single domain antibody (sdAb) that binds to B7H3, comprising:
前記sdAbが、
それぞれSEQ ID NO:115、146、および168;
それぞれSEQ ID NO:115、147、および168;
それぞれSEQ ID NO:115、148、および168;
それぞれSEQ ID NO:115、149、および168;
それぞれSEQ ID NO:115、150、および168;
それぞれSEQ ID NO:116、146、および168;
それぞれSEQ ID NO:117、146、および168;
それぞれSEQ ID NO:118、146、および168;
それぞれSEQ ID NO:115、146、および169;
それぞれSEQ ID NO:119、146、および168;
それぞれSEQ ID NO:120、146、および168;
それぞれSEQ ID NO:115、151、および168;
それぞれSEQ ID NO:116、147、および168;
それぞれSEQ ID NO:118、147、および168;
それぞれSEQ ID NO:119、147、および168;
それぞれSEQ ID NO:116、151、および168;
それぞれSEQ ID NO:115、146、および168;
それぞれSEQ ID NO:121、147、および168;
それぞれSEQ ID NO:115、146、および168;
それぞれSEQ ID NO:119、149、および168;
それぞれSEQ ID NO:122、151、および168
それぞれSEQ ID NO:123、152、および170;
それぞれSEQ ID NO:123、152、および171;
それぞれSEQ ID NO:123、153、および170;
それぞれSEQ ID NO:123、153、および171;
それぞれSEQ ID NO:124、154、および172;
それぞれSEQ ID NO:124、154、および173;
それぞれSEQ ID NO:124、154、および174;
それぞれSEQ ID NO:124、154、および175;
それぞれSEQ ID NO:125、154、および173;
それぞれSEQ ID NO:126、154、および173;
それぞれSEQ ID NO:127、154、および173;
それぞれSEQ ID NO:128、154、および173;
それぞれSEQ ID NO:129、154、および173;
それぞれSEQ ID NO:130、154、および173;
それぞれSEQ ID NO:131、154、および173;
それぞれSEQ ID NO:124、154、および176;
それぞれSEQ ID NO:124、154、および177;
それぞれSEQ ID NO:124、154、および178;
それぞれSEQ ID NO:124、154、および179;
それぞれSEQ ID NO:124、154、および180;
それぞれSEQ ID NO:124、154、および181;
それぞれSEQ ID NO:124、154、および182;
それぞれSEQ ID NO:124、154、および183;
それぞれSEQ ID NO:126、154、および176;
それぞれSEQ ID NO:124、154、および179;
それぞれSEQ ID NO:124、154、および182;
それぞれSEQ ID NO:132、154、および176;
それぞれSEQ ID NO:133、154、および173;
それぞれSEQ ID NO:145、167、および488;
それぞれSEQ ID NO:139、161、および189;
それぞれSEQ ID NO:134、155、および184;
それぞれSEQ ID NO:135、156、および168;
それぞれSEQ ID NO:136、157、および185;
それぞれSEQ ID NO:137、158、および186;
それぞれSEQ ID NO:138、159、および187;
それぞれSEQ ID NO:138、160、および188;
それぞれSEQ ID NO:139、161、および189;
それぞれSEQ ID NO:140、162、および483;
それぞれSEQ ID NO:141、163、および484;
それぞれSEQ ID NO:139、161、および189;
それぞれSEQ ID NO:142、164、および485;
それぞれSEQ ID NO:143、165、および486;または
それぞれSEQ ID NO:144、166、および487
に示されるCDR1、CDR2、およびCDR3
を含む、請求項37記載の単離されたシングルドメイン抗体。
said sdAb is
SEQ ID NOs: 115, 146, and 168, respectively;
SEQ ID NOs: 115, 147, and 168, respectively;
SEQ ID NOs: 115, 148, and 168, respectively;
SEQ ID NOs: 115, 149, and 168, respectively;
SEQ ID NOs: 115, 150, and 168, respectively;
SEQ ID NOs: 116, 146, and 168, respectively;
SEQ ID NOs: 117, 146, and 168, respectively;
SEQ ID NOs: 118, 146, and 168, respectively;
SEQ ID NOs: 115, 146, and 169, respectively;
SEQ ID NOs: 119, 146, and 168, respectively;
SEQ ID NOs: 120, 146, and 168, respectively;
SEQ ID NOs: 115, 151, and 168, respectively;
SEQ ID NOs: 116, 147, and 168, respectively;
SEQ ID NOs: 118, 147, and 168, respectively;
SEQ ID NOs: 119, 147, and 168, respectively;
SEQ ID NOs: 116, 151, and 168, respectively;
SEQ ID NOs: 115, 146, and 168, respectively;
SEQ ID NOs: 121, 147, and 168, respectively;
SEQ ID NOs: 115, 146, and 168, respectively;
SEQ ID NOs: 119, 149, and 168, respectively;
SEQ ID NOs: 122, 151, and 168, respectively ;
SEQ ID NOs: 123, 152, and 170, respectively;
SEQ ID NOs: 123, 152, and 171, respectively;
SEQ ID NOs: 123, 153, and 170, respectively;
SEQ ID NOs: 123, 153, and 171, respectively;
SEQ ID NOs: 124, 154, and 172, respectively;
SEQ ID NOs: 124, 154, and 173, respectively;
SEQ ID NOs: 124, 154, and 174, respectively;
SEQ ID NOs: 124, 154, and 175, respectively;
SEQ ID NOs: 125, 154, and 173, respectively;
SEQ ID NOs: 126, 154, and 173, respectively;
SEQ ID NOs: 127, 154, and 173, respectively;
SEQ ID NOs: 128, 154, and 173, respectively;
SEQ ID NOs: 129, 154, and 173, respectively;
SEQ ID NOs: 130, 154, and 173, respectively;
SEQ ID NOs: 131, 154, and 173, respectively;
SEQ ID NOs: 124, 154, and 176, respectively;
SEQ ID NOs: 124, 154, and 177, respectively;
SEQ ID NOs: 124, 154, and 178, respectively;
SEQ ID NOs: 124, 154, and 179, respectively;
SEQ ID NOs: 124, 154, and 180, respectively;
SEQ ID NOs: 124, 154, and 181, respectively;
SEQ ID NOs: 124, 154, and 182, respectively;
SEQ ID NOs: 124, 154, and 183, respectively;
SEQ ID NOs: 126, 154, and 176, respectively;
SEQ ID NOs: 124, 154, and 179, respectively;
SEQ ID NOs: 124, 154, and 182, respectively;
SEQ ID NOs: 132, 154, and 176, respectively;
SEQ ID NOs: 133, 154, and 173, respectively;
SEQ ID NOs: 145, 167, and 488, respectively;
SEQ ID NOs: 139, 161, and 189, respectively;
SEQ ID NOs: 134, 155, and 184, respectively;
SEQ ID NOs: 135, 156, and 168, respectively;
SEQ ID NOs: 136, 157, and 185, respectively;
SEQ ID NOs: 137, 158, and 186, respectively;
SEQ ID NOs: 138, 159, and 187, respectively;
SEQ ID NOs: 138, 160, and 188, respectively;
SEQ ID NOs: 139, 161, and 189, respectively;
SEQ ID NOs: 140, 162, and 483, respectively;
SEQ ID NOs: 141, 163, and 484, respectively;
SEQ ID NOs: 139, 161, and 189, respectively;
SEQ ID NOs: 142, 164, and 485, respectively;
SEQ ID NOs: 143, 165, and 486, respectively; or
SEQ ID NOs: 144, 166, and 487, respectively
CDR1, CDR2, and CDR3 shown in
38. The isolated single domain antibody of claim 37 , comprising:
前記sdAbが、
SEQ ID NO:8~34、467、489~490、および492~497のいずれか1つに示されるアミノ酸の配列、もしくはSEQ ID NO:8~34、467、489~490、および492~497のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する
SEQ ID NO:40、41、および498~503のいずれか1つに示されるアミノ酸の配列、もしくはSEQ ID NO:40、41、および498~503のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する;
SEQ ID NO:56~91、466、および504~514のいずれか1つに示されるアミノ酸の配列、もしくはSEQ ID NO:56~91、466、および504~514のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する;
SEQ ID NO:106~109のいずれか1つに示されるアミノ酸の配列、もしくはSEQ ID NO:106~109のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する;かつ/または
SEQ ID NO:515~518のいずれか1つに示されるアミノ酸の配列、またはSEQ ID NO:515~518のいずれか1つに対して少なくとも85%、86%、87%、88%、89%、90%、91%、92%、93%、94%、95%、96%、97%、98%、もしくは99%の配列同一性を示すアミノ酸の配列を含み、かつB7H3に結合する、
請求項37または38記載の単離されたシングルドメイン抗体。
said sdAb is
A sequence of amino acids set forth in any one of SEQ ID NOs: 8-34, 467, 489-490, and 492-497, or a sequence of SEQ ID NOs: 8-34, 467, 489-490, and 492-497 at least 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% of any one; or comprises a sequence of amino acids exhibiting 99% sequence identity and binds to B7H3 ;
A sequence of amino acids set forth in any one of SEQ ID NOs: 40, 41, and 498-503, or at least 85% of any one of SEQ ID NOs: 40, 41, and 498-503, 86 A sequence of amino acids exhibiting %, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity and binds to B7H3;
A sequence of amino acids set forth in any one of SEQ ID NOs: 56-91, 466, and 504-514, or at least for any one of SEQ ID NOs: 56-91, 466, and 504-514 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity contains the sequence of amino acids shown and binds to B7H3;
A sequence of amino acids set forth in any one of SEQ ID NOs: 106-109 or at least 85%, 86%, 87%, 88%, 89% of any one of SEQ ID NOs: 106-109 , comprising a sequence of amino acids exhibiting 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity and binds to B7H3; and /or
A sequence of amino acids set forth in any one of SEQ ID NOs: 515-518 or at least 85%, 86%, 87%, 88%, 89% of any one of SEQ ID NOs: 515-518 , comprising a sequence of amino acids exhibiting 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity and binds to B7H3;
39. The isolated single domain antibody of claim 37 or 38 .
請求項1~36のいずれか一項記載のB7H3結合ポリペプチド構築物をコードする、ポリヌクレオチド(複数可)Polynucleotide (s) encoding a B7H3 binding polypeptide construct according to any one of claims 1-36 . 請求項3739のいずれか一項記載のシングルドメイン抗体をコードする、ポリヌクレオチド。 A polynucleotide encoding the single domain antibody of any one of claims 37-39 . 請求項40または41記載の1つもしくは複数のポリヌクレオチドを含む、ベクター。 42. A vector comprising one or more polynucleotides of claim 40 or 41 . 請求項40または41記載の1つもしくは複数のポリヌクレオチド、または請求項42記載の1つもしくは複数のベクターを含む、細胞。 43. A cell comprising one or more polynucleotides of claim 40 or 41 , or one or more vectors of claim 42 . ポリペプチドを産生する方法であって、
請求項40または41記載の1つもしくは複数のポリヌクレオチド、または請求項42記載の1つもしくは複数のベクターを細胞中に導入する工程、および
B7H3結合ポリペプチド構築物を産生する条件下で該細胞を培養する工程
を含む、前記方法。
A method of producing a polypeptide, comprising:
introducing into a cell one or more polynucleotides according to claim 40 or 41 or one or more vectors according to claim 42 ; and
culturing the cell under conditions that produce the B7H3-binding polypeptide construct .
請求項3739のいずれか一項記載のシングルドメイン抗体を含む細胞外ドメイン;
膜貫通ドメイン;および
細胞内シグナル伝達ドメイン
を含むキメラ抗原受容体を含む、操作された免疫細胞。
an extracellular domain comprising the single domain antibody of any one of claims 37-39 ;
engineered immune cells comprising a chimeric antigen receptor comprising a transmembrane domain; and an intracellular signaling domain.
請求項1~36のいずれか一項記載のB7H3結合ポリペプチド構築物、請求項3739のいずれか一項記載のシングルドメイン抗体、または請求項45記載の操作された免疫細胞と、薬学的に許容される担体とを含む、薬学的組成物。 a B7H3 binding polypeptide construct of any one of claims 1-36 , a single domain antibody of any one of claims 37-39 , or an engineered immune cell of claim 45 , pharmaceutically A pharmaceutical composition comprising an acceptable carrier . 疾患または状態を有する対象において免疫応答を刺激するかまたは誘導するための医薬の製造のための組成物の使用であって、該組成物が、請求項1~36のいずれか一項記載のB7H3結合ポリペプチド構築物、請求項3739のいずれか一項記載のシングルドメイン抗体、または請求項45記載の操作された免疫細胞、または請求項46記載の薬学的組成物を含む、前記使用 Use of a composition for the manufacture of a medicament for stimulating or inducing an immune response in a subject with a disease or condition, the composition comprising B7H3 according to any one of claims 1-36 Said use comprising a binding polypeptide construct, a single domain antibody according to any one of claims 37-39 , or an engineered immune cell according to claim 45 , or a pharmaceutical composition according to claim 46 . 対象において疾患または状態を処置するための医薬の製造のための組成物の使用であって、該組成物が、請求項1~36のいずれか一項記載のB7H3結合ポリペプチド構築物、請求項3739のいずれか一項記載のシングルドメイン抗体、または請求項45記載の操作された免疫細胞、または請求項46記載の薬学的組成物を含む、前記使用 Use of a composition for the manufacture of a medicament for treating a disease or condition in a subject, said composition comprising a B7H3-binding polypeptide construct according to any one of claims 1 to 36 , claim 37 47. Said use, comprising a single domain antibody according to any one of claims 49 to 49, or an engineered immune cell according to claim 45 , or a pharmaceutical composition according to claim 46 . 請求項1~36のいずれか一項記載のB7H3結合ポリペプチド構築物、請求項37~39のいずれか一項記載のシングルドメイン抗体、または請求項45記載の操作された免疫細胞を含む、対象において免疫応答を刺激するかまたは誘導するための薬学的組成物。 in a subject comprising the B7H3 binding polypeptide construct of any one of claims 1-36, the single domain antibody of any one of claims 37-39, or the engineered immune cell of claim 45 A pharmaceutical composition for stimulating or inducing an immune response. 請求項1~36のいずれか一項記載のB7H3結合ポリペプチド構築物、請求項37~39のいずれか一項記載のシングルドメイン抗体、または請求項45記載の操作された免疫細胞を含む、対象において疾患または状態を処置するための薬学的組成物。 in a subject comprising the B7H3 binding polypeptide construct of any one of claims 1-36, the single domain antibody of any one of claims 37-39, or the engineered immune cell of claim 45 A pharmaceutical composition for treating a disease or condition.
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