JPWO2020077257A5 - - Google Patents

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JPWO2020077257A5
JPWO2020077257A5 JP2021519705A JP2021519705A JPWO2020077257A5 JP WO2020077257 A5 JPWO2020077257 A5 JP WO2020077257A5 JP 2021519705 A JP2021519705 A JP 2021519705A JP 2021519705 A JP2021519705 A JP 2021519705A JP WO2020077257 A5 JPWO2020077257 A5 JP WO2020077257A5
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JP2022512653A (en
JP7453219B2 (en
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PD-1に特異的に結合するポリペプチド(以下、PD-1結合ポリペプチドとも呼ばれる)が本明細書に提供される。いくつかの実施形態では、提供される結合ポリペプチドは、PD-1に結合する少なくとも1つのVHHドメインを含む。いくつかの実施形態では、本明細書に提供されるPD-1結合ポリペプチドは、各々がPD-1に個々に結合する1、2、3、4、5、6、7、または8個のVHHドメインを含む。いくつかの実施形態では、本明細書に提供されるPD-1結合ポリペプチドは、PD-1に結合する1、2、3、または4個のVHHドメインを含む。いくつかの実施形態では、PD-1結合ポリペプチドは、単一特異性である。いくつかの実施形態では、PD-1結合ポリペプチドは、多重特異性である。例えば、提供されるPD-1結合ポリペプチドは、PD-1に結合する少なくとも1つのVHHドメインと、PD-1以外の1つ以上の標的タンパク質に結合する1つ以上の追加のVHHドメインなどの1つ以上の追加の結合ドメインとを含んでもよいポリペプチドを含む。
特定の実施形態では、例えば以下の項目が提供される。
(項目1)
PD-1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(PD-1 VHHドメイン)を含む、PD-1結合ポリペプチド構築物。
(項目2)
PD-1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(PD-1 VHHドメイン)と、PD-1以外の標的に結合する1つ以上の追加の結合ドメインと、を含む、PD-1結合ポリペプチド構築物。
(項目3)
前記少なくとも1つのVHHドメインが、配列番号268、272、273、および313からなる群から選択されるアミノ酸配列を含む相補性決定領域1(CDR1)と、配列番号278または314に記載されるアミノ酸配列を含む相補性決定領域2(CDR2)と、配列番号283または315に記載されるアミノ酸配列を含む相補性決定領域3(CDR3)と、を含む、項目1に記載のPD-1結合ポリペプチド構築物。
(項目4)
配列番号268、272、273、および313からなる群から選択されるアミノ酸配列を含む相補性決定領域1(CDR1)と、配列番号278または314に記載されるアミノ酸配列を含む相補性決定領域2(CDR2)と、配列番号283または315に記載される選択されたアミノ酸配列を含む相補性決定領域3(CDR3)と、を含む、少なくとも1つの重鎖のみの可変ドメイン(PD-1 VHHドメイン)を含む、PD-1結合構築物。
(項目5)
PD-1に特異的に結合する前記PD-1 VHHドメインが、PD-1とPD-L1との相互作用を遮断する、項目1、2、3、または4のいずれかに記載のPD-1結合ポリペプチド構築物。
(項目6)
前記1つ以上の追加の結合ドメインが、共刺激分子に結合する、項目2に記載のPD-1結合ポリペプチド構築物。
(項目7)
前記1つ以上の追加の結合ドメインが、T細胞表面マーカーに結合する、項目2に記載のPD-1結合ポリペプチド構築物。
(項目8)
前記T細胞表面マーカーが、CD8である、項目7に記載のPD-1結合ポリペプチド構築物。
(項目9)
前記T細胞表面マーカーが、CD4である、項目7に記載のPD-1結合ポリペプチド構築物。
(項目10)
前記1つ以上の追加の結合ドメインが、PD1以外の免疫チェックポイントに結合する、項目2に記載のPD-1結合ポリペプチド構築物。
(項目11)
前記1つ以上の追加の結合ドメインが、免疫細胞上の活性化受容体に結合する、項目2に記載のPD-1結合ポリペプチド構築物。
(項目12)
前記1つ以上の追加のドメインが、腫瘍関連抗原(TAA)に結合する、項目2に記載のPD-1結合ポリペプチド構築物。
(項目13)
前記1つ以上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、項目2に記載のPD-1結合ポリペプチド構築物。
(項目14)
前記ポリペプチドが、免疫グロブリンFc領域を含む、項目1、2、3、または4のいずれかに記載のPD-1結合ポリペプチド構築物。
(項目15)
前記少なくとも1つのPD-1 VHHドメインが、配列番号251~267、284、もしくは312のいずれかに記載される配列、または配列番号251~267、284、もしくは312のいずれかと少なくとも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、PD-1に結合する、項目1、2、3、または4のいずれかに記載のPD-1結合ポリペプチド構築物。
(項目16)
前記少なくとも1つのPD-1 VHHドメインが、それぞれ配列番号268、278、および283、それぞれ配列番号272、278、および283、またはそれぞれ配列番号273、278、および283に記載されるCDR1、CDR2、およびCDR3を含む、項目1または2に記載のPD-1結合ポリペプチド構築物。
(項目17)
配列番号268、272、273、および313からなる群から選択されるアミノ酸配列を含む相補性決定領域1(CDR1)と、配列番号278または314に記載されるアミノ酸配列を含む相補性決定領域2(CDR2)と、配列番号283または315に記載されるアミノ酸配列を含む相補性決定領域3(CDR3)と、を含む、PD-1に結合する単離された単一ドメイン抗体。
(項目18)
配列番号251~267もしくは284のいずれかに記載されるアミノ酸配列、または配列番号251~267、284、もしくは312のいずれかと少なくとも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、PD-1に結合する、項目17に記載の単離された単一ドメイン抗体。
(項目19)
前記sdAbが、配列番号251、252、253、254、255、256、257、258、259、260、261、262、263、264、265、266、267、284、または312に記載されるアミノ酸の配列を含む、項目18に記載の単離された単一ドメイン抗体。
(項目20)
項目1~4のいずれかに記載のPD-1結合ポリペプチドをコードする、ポリヌクレオチド(複数可)。
(項目21)
項目17~19のいずれかに記載の単一ドメイン抗体をコードする、ポリヌクレオチド(複数可)。
(項目22)
項目20または21に記載のポリヌクレオチドを含む、ベクター。
(項目23)
項目20もしくは21に記載のポリヌクレオチド(複数可)、または項目22に記載のベクターを含む、細胞。
(項目24)
ポリペプチドを産生する方法であって、細胞に、項目20もしくは21に記載のポリヌクレオチド(複数可)、または項目22に記載のベクターを導入することと、前記ポリペプチド構築物を産生するための条件下で前記細胞を培養することと、を含む、方法。
(項目25)
項目1~4のいずれかに記載の結合分子または項目17~19のいずれかに記載の単一ドメイン抗体を含む結合分子を含む、操作された免疫細胞であって、任意選択的に、前記結合分子が、前記細胞から分泌可能である、操作された免疫細胞。
(項目26)
項目1~4のいずれかに記載のPD-1結合ポリペプチド、項目17~19のいずれかに記載の単一ドメイン抗体、または項目25に記載の操作された免疫細胞を含む、医薬組成物。
(項目27)
対象における免疫応答を刺激または誘発する方法であって、それを必要とする対象に、項目1~4のいずれかに記載のPD-1結合ポリペプチド、項目17~19のいずれかに記載の単一ドメイン抗体、または項目25に記載の操作された免疫細胞、または項目26に記載の医薬組成物を投与することを含む、方法。
(項目28)
対象における疾患または状態を治療する方法であって、それを必要とする対象に、治療有効量の項目1~4のいずれかに記載のPD-1結合ポリペプチド、項目17~19のいずれかに記載の単一ドメイン抗体、または項目25に記載の操作された免疫細胞、または項目26に記載の医薬組成物を投与することを含む、方法。
Provided herein are polypeptides that specifically bind to PD-1 (hereinafter also referred to as PD-1 binding polypeptides). In some embodiments, provided binding polypeptides comprise at least one VHH domain that binds to PD-1. In some embodiments, the PD-1 binding polypeptides provided herein comprise 1, 2, 3, 4, 5, 6, 7, or 8 molecules that each individually bind to PD-1. Contains VHH domains. In some embodiments, the PD-1 binding polypeptides provided herein comprise 1, 2, 3, or 4 VHH domains that bind PD-1. In some embodiments, the PD-1 binding polypeptide is monospecific. In some embodiments, the PD-1 binding polypeptides are multispecific. For example, provided PD-1 binding polypeptides can have at least one VHH domain that binds PD-1 and one or more additional VHH domains that bind one or more target proteins other than PD-1. It includes polypeptides that may include one or more additional binding domains.
In certain embodiments, for example, the following items are provided.
(Item 1)
A PD-1 binding polypeptide construct comprising at least one heavy chain only variable domain (PD-1 VHH domain) that specifically binds to PD-1.
(Item 2)
PD comprising at least one heavy chain-only variable domain (PD-1 VHH domain) that specifically binds to PD-1 and one or more additional binding domains that bind targets other than PD-1 -1 binding polypeptide constructs.
(Item 3)
a complementarity determining region 1 (CDR1) wherein said at least one VHH domain comprises an amino acid sequence selected from the group consisting of SEQ ID NOS: 268, 272, 273, and 313 and an amino acid sequence set forth in SEQ ID NOS: 278 or 314 and a complementarity determining region 3 (CDR3) comprising the amino acid sequence set forth in SEQ ID NO: 283 or 315. .
(Item 4)
Complementarity Determining Region 1 (CDR1) comprising an amino acid sequence selected from the group consisting of SEQ ID NOS: 268, 272, 273, and 313; CDR2) and a complementarity determining region 3 (CDR3) comprising a selected amino acid sequence set forth in SEQ ID NO: 283 or 315, at least one heavy chain only variable domain (PD-1 VHH domain) A PD-1 binding construct comprising:
(Item 5)
PD-1 according to any of items 1, 2, 3 or 4, wherein said PD-1 VHH domain that specifically binds PD-1 blocks the interaction between PD-1 and PD-L1. Binding Polypeptide Constructs.
(Item 6)
3. The PD-1 binding polypeptide construct of item 2, wherein said one or more additional binding domains bind to a co-stimulatory molecule.
(Item 7)
3. The PD-1 binding polypeptide construct of item 2, wherein said one or more additional binding domains bind to a T cell surface marker.
(Item 8)
8. The PD-1 binding polypeptide construct of item 7, wherein said T cell surface marker is CD8.
(Item 9)
8. The PD-1 binding polypeptide construct of item 7, wherein said T cell surface marker is CD4.
(Item 10)
3. The PD-1 binding polypeptide construct of item 2, wherein said one or more additional binding domains bind to an immune checkpoint other than PD1.
(Item 11)
3. The PD-1 binding polypeptide construct of item 2, wherein said one or more additional binding domains bind to activated receptors on immune cells.
(Item 12)
3. The PD-1 binding polypeptide construct of item 2, wherein said one or more additional domains bind a tumor-associated antigen (TAA).
(Item 13)
3. The PD-1 binding polypeptide construct of item 2, wherein said one or more additional binding domains bind to a cytokine receptor.
(Item 14)
5. The PD-1 binding polypeptide construct of any of items 1, 2, 3, or 4, wherein said polypeptide comprises an immunoglobulin Fc region.
(Item 15)
said at least one PD-1 VHH domain is a sequence set forth in any of SEQ ID NOs: 251-267, 284, or 312, or at least 85%, 86% with any of SEQ ID NOs: 251-267, 284, or 312 , 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity. 5. The PD-1 binding polypeptide construct of any of items 1, 2, 3, or 4, comprising and binding to PD-1.
(Item 16)
said at least one PD-1 VHH domain is CDR1, CDR2, and set forth in SEQ ID NOs: 268, 278, and 283, respectively; SEQ ID NOs: 272, 278, and 283, respectively; or SEQ ID NOs: 273, 278, and 283, respectively; PD-1-binding polypeptide construct according to items 1 or 2, comprising CDR3.
(Item 17)
Complementarity Determining Region 1 (CDR1) comprising an amino acid sequence selected from the group consisting of SEQ ID NOS: 268, 272, 273, and 313; CDR2) and a complementarity determining region 3 (CDR3) comprising the amino acid sequence set forth in SEQ ID NO:283 or 315. An isolated single domain antibody that binds to PD-1.
(Item 18)
an amino acid sequence set forth in any of SEQ ID NOs: 251-267 or 284, or any of SEQ ID NOs: 251-267, 284, or 312 and at least 85%, 86%, 87%, 88%, 89%, 90%; 18. According to item 17, comprising a sequence of amino acids exhibiting 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity and which binds to PD-1 isolated single domain antibody of
(Item 19)
said sdAb is of amino acid set forth in 19. The isolated single domain antibody of item 18, comprising the sequence.
(Item 20)
Polynucleotide(s) encoding a PD-1 binding polypeptide according to any of items 1-4.
(Item 21)
Polynucleotide(s) encoding a single domain antibody according to any of items 17-19.
(Item 22)
A vector comprising the polynucleotide of item 20 or 21.
(Item 23)
A cell comprising the polynucleotide(s) according to item 20 or 21 or the vector according to item 22.
(Item 24)
A method of producing a polypeptide comprising introducing into a cell the polynucleotide(s) of item 20 or 21 or the vector of item 22 and conditions for producing said polypeptide construct. and culturing said cells under a.
(Item 25)
An engineered immune cell comprising a binding molecule according to any of items 1-4 or a binding molecule comprising a single domain antibody according to any of items 17-19, optionally said binding An engineered immune cell, wherein the molecule is secretable from said cell.
(Item 26)
A pharmaceutical composition comprising the PD-1 binding polypeptide of any of items 1-4, the single domain antibody of any of items 17-19, or the engineered immune cell of item 25.
(Item 27)
A method of stimulating or inducing an immune response in a subject, comprising administering to a subject in need thereof a PD-1 binding polypeptide according to any one of items 1-4, a single agent according to any one of items 17-19, A method comprising administering a single domain antibody, or an engineered immune cell according to item 25, or a pharmaceutical composition according to item 26.
(Item 28)
A method of treating a disease or condition in a subject comprising administering to the subject in need thereof a therapeutically effective amount of the PD-1 binding polypeptide of any of items 1-4, any of items 17-19 A method comprising administering a single domain antibody according to item 25, or an engineered immune cell according to item 25, or a pharmaceutical composition according to item 26.

Claims (27)

PD-1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(PD-1 VHHドメイン)を含む、PD-1結合ポリペプチド構築物であって、前記PD-1 VHHドメインが、
a)配列番号268に記載されるアミノ酸配列を含む相補性決定領域1(CDR1);
配列番号278に記載されるアミノ酸配列を含む相補性決定領域2(CDR2);および
配列番号283に記載されるアミノ酸配列を含む相補性決定領域3(CDR3);
b)配列番号272に記載されるアミノ酸配列を含むCDR1;
配列番号278に記載されるアミノ酸配列を含むCDR2;および
配列番号283に記載されるアミノ酸配列を含むCDR3;
c)配列番号273に記載されるアミノ酸配列を含むCDR1;
配列番号278に記載されるアミノ酸配列を含むCDR2;および
配列番号283に記載されるアミノ酸配列を含むCDR3;または
d)配列番号313に記載されるアミノ酸配列を含むCDR1;
配列番号314に記載されるアミノ酸配列を含むCDR2;および
配列番号315に記載されるアミノ酸配列を含むCDR3
を含む、PD-1結合ポリペプチド構築物
1. A PD-1-binding polypeptide construct comprising at least one heavy chain-only variable domain (PD-1 VHH domain) that specifically binds to PD-1 , wherein said PD-1 VHH domain comprises:
a) a complementarity determining region 1 (CDR1) comprising the amino acid sequence set forth in SEQ ID NO:268;
a complementarity determining region 2 (CDR2) comprising the amino acid sequence set forth in SEQ ID NO: 278; and
complementarity determining region 3 (CDR3) comprising the amino acid sequence set forth in SEQ ID NO: 283;
b) a CDR1 comprising the amino acid sequence set forth in SEQ ID NO:272;
a CDR2 comprising the amino acid sequence set forth in SEQ ID NO:278; and
a CDR3 comprising the amino acid sequence set forth in SEQ ID NO:283;
c) a CDR1 comprising the amino acid sequence set forth in SEQ ID NO:273;
a CDR2 comprising the amino acid sequence set forth in SEQ ID NO:278; and
a CDR3 comprising the amino acid sequence set forth in SEQ ID NO: 283; or
d) a CDR1 comprising the amino acid sequence set forth in SEQ ID NO:313;
a CDR2 comprising the amino acid sequence set forth in SEQ ID NO:314; and
CDR3 comprising the amino acid sequence set forth in SEQ ID NO:315
A PD-1 binding polypeptide construct comprising:
D-1以外の標的に結合する1つ以上の追加の結合ドメインを含む、請求項1に記載のPD-1結合ポリペプチド構築物。 2. The PD - 1 binding polypeptide construct of claim 1, comprising one or more additional binding domains that bind targets other than PD-1. PD-1に特異的に結合する前記PD-1 VHHドメインが、PD-1とPD-L1との相互作用を遮断する、請求項1またはのいずれかに記載のPD-1結合ポリペプチド構築物。 3. The PD-1 binding poly of claim 1 or 2 , wherein said PD-1 VHH domain that specifically binds PD-1 blocks the interaction between PD-1 and PD-L1. peptide constructs. 前記ポリペプチドが、免疫グロブリンFc領域を含む、請求項3に記載のPD-1結合ポリペプチド構築物。 4. The PD-1 binding polypeptide construct of claim 3, wherein said polypeptide comprises an immunoglobulin Fc region. 前記1つ以上の追加の結合ドメインが、共刺激分子、T細胞表面マーカー、PD1以外の免疫チェックポイント、免疫細胞上の活性化受容体、腫瘍関連抗原(TAA)、またはサイトカイン受容体に結合する、請求項2に記載のPD-1結合ポリペプチド構築物。 said one or more additional binding domains bind to costimulatory molecules , T-cell surface markers, immune checkpoints other than PD1, activating receptors on immune cells, tumor-associated antigens (TAAs), or cytokine receptors , the PD-1 binding polypeptide construct of claim 2. 前記1つ以上の追加の結合ドメインが、T細胞表面マーカーに結合し、前記T細胞表面マーカーが、CD8、またはCD4である、請求項に記載のPD-1結合ポリペプチド構築物。 6. The PD-1 binding polypeptide construct of claim 5 , wherein said one or more additional binding domains bind to a T cell surface marker, said T cell surface marker being CD8 or CD4 . 前記ポリペプチドが、免疫グロブリンFc領域を含む、請求項またはに記載のPD-1結合ポリペプチド構築物。 7. The PD-1 binding polypeptide construct of claim 5 or 6 , wherein said polypeptide comprises an immunoglobulin Fc region. 前記少なくとも1つのPD-1 VHHドメインが、配列番号251~267、284、もしくは312のいずれかに記載される配列、または配列番号251~267、284、もしくは312のいずれかと少なくとも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、PD-1に結合する、請求項1~7のいずれかに記載のPD-1結合ポリペプチド構築物。 said at least one PD-1 VHH domain is a sequence set forth in any of SEQ ID NOs: 251-267, 284, or 312, or at least 85%, 86% with any of SEQ ID NOs: 251-267, 284, or 312 , 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity. PD-1-binding polypeptide construct of any of claims 1-7 , comprising and binding to PD-1. a)配列番号268に記載されるアミノ酸配列を含む相補性決定領域1(CDR1);
配列番号278に記載されるアミノ酸配列を含む相補性決定領域2(CDR2);および
配列番号283に記載されるアミノ酸配列を含む相補性決定領域3(CDR3);
b)配列番号272に記載されるアミノ酸配列を含むCDR1;
配列番号278に記載されるアミノ酸配列を含むCDR2;および
配列番号283に記載されるアミノ酸配列を含むCDR3;
c)配列番号273に記載されるアミノ酸配列を含むCDR1;
配列番号278に記載されるアミノ酸配列を含むCDR2;および
配列番号283に記載されるアミノ酸配列を含むCDR3;または
d)配列番号313に記載されるアミノ酸配列を含むCDR1;
配列番号314に記載されるアミノ酸配列を含むCDR2;および
配列番号315に記載されるアミノ酸配列を含むCDR3
を含む、PD-1に結合する単離された単一ドメイン抗体。
a) a complementarity determining region 1 (CDR1) comprising the amino acid sequence set forth in SEQ ID NO:268;
a complementarity determining region 2 (CDR2) comprising the amino acid sequence set forth in SEQ ID NO: 278; and
complementarity determining region 3 (CDR3) comprising the amino acid sequence set forth in SEQ ID NO: 283;
b) a CDR1 comprising the amino acid sequence set forth in SEQ ID NO:272;
a CDR2 comprising the amino acid sequence set forth in SEQ ID NO:278; and
a CDR3 comprising the amino acid sequence set forth in SEQ ID NO:283;
c) a CDR1 comprising the amino acid sequence set forth in SEQ ID NO:273;
a CDR2 comprising the amino acid sequence set forth in SEQ ID NO:278; and
a CDR3 comprising the amino acid sequence set forth in SEQ ID NO: 283; or
d) a CDR1 comprising the amino acid sequence set forth in SEQ ID NO:313;
a CDR2 comprising the amino acid sequence set forth in SEQ ID NO:314; and
CDR3 comprising the amino acid sequence set forth in SEQ ID NO:315
An isolated single domain antibody that binds to PD-1, comprising:
配列番号251~267284もしくは312のいずれかに記載されるアミノ酸配列、または配列番号251~267、284、もしくは312のいずれかと少なくとも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、PD-1に結合する、請求項9に記載の単離された単一ドメイン抗体。 an amino acid sequence set forth in any of SEQ ID NOs: 251-267 , 284 or 312 , or at least 85%, 86%, 87%, 88%, 89%, 90 with any of SEQ ID NOs: 251-267, 284, or 312 %, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity and binds to PD-1. 9. The isolated single domain antibody of 9. 請求項1~のいずれか一項に記載のPD-1結合ポリペプチドをコードする、ポリヌクレオチド(複数可)。 Polynucleotide(s) encoding a PD-1 binding polypeptide according to any one of claims 1-8 . 請求項9または10に記載の単一ドメイン抗体をコードする、ポリヌクレオチド(複数可)。 11. Polynucleotide(s) encoding the single domain antibody of claim 9 or 10 . 請求項11または12に記載のポリヌクレオチドを含む、ベクター。 A vector comprising the polynucleotide of claim 11 or 12 . 請求項1に記載のポリヌクレオチドを含む、細胞。 12. A cell comprising the polynucleotide of claim 11. ポリペプチドを産生する方法であって、細胞に、請求項1に記載のポリヌクレオチドを導入することと、前記ポリペプチドを産生するための条件下で前記細胞を培養することと、を含む、方法。 A method of producing a polypeptide, comprising introducing into a cell the polynucleotide of claim 11 and culturing said cell under conditions for producing said polypeptide. ,Method. 請求項1~のいずれか一項に記載のPD-1結合ポリペプチド構築物結合分子を含む結合分子を含む、操作された免疫細胞 An engineered immune cell comprising a binding molecule comprising the PD-1 binding polypeptide construct binding molecule of any one of claims 1-3 . 前記PD-1結合ポリペプチド構築物結合分子が、前記細胞から分泌可能である、請求項16に記載の操作された免疫細胞。 17. The engineered immune cell of claim 16, wherein said PD-1 binding polypeptide construct binding molecule is secretable from said cell. 請求項1~のいずれか一項に記載のPD-1結合ポリペプチド構築物を含む、医薬組成物。 A pharmaceutical composition comprising a PD-1 binding polypeptide construct according to any one of claims 1-8 . 対象における免疫応答を刺激または誘発する方法において使用するための、請求項1~のいずれか一項に記載のPD-1結合ポリペプチド構築物を含む組成物であって、前記方法が、それを必要とする対象に、前記PD-1結合ポリペプチドを投与することを含む、組成物 9. A composition comprising the PD-1-binding polypeptide construct of any one of claims 1-8 for use in a method of stimulating or inducing an immune response in a subject, said method comprising A composition comprising administering said PD-1 binding polypeptide to a subject in need thereof. 対象における疾患または状態を治療する方法において使用するための、請求項1~のいずれか一項に記載のPD-1結合ポリペプチド構築物を含む組成物であって、前記方法が、それを必要とする対象に、治療有効量の前記PD-1結合ポリペプチドを投与することを含む、組成物 9. A composition comprising a PD-1-binding polypeptide construct according to any one of claims 1-8 for use in a method of treating a disease or condition in a subject, said method comprising administering to a subject a therapeutically effective amount of said PD -1 binding polypeptide . 請求項12に記載のポリヌクレオチドを含む、細胞。 A cell comprising the polynucleotide of claim 12 . 単一ドメイン抗体を産生する方法であって、細胞に、請求項12に記載のポリヌクレオチドを導入することと、前記単一ドメイン抗体を産生するための条件下で前記細胞を培養することと、を含む、方法。 13. A method of producing a single domain antibody, comprising introducing into a cell the polynucleotide of claim 12, culturing said cell under conditions for producing said single domain antibody, A method, including 請求項9または10に記載の単一ドメイン抗体結合分子を含む結合分子を含む、操作された免疫細胞。 11. An engineered immune cell comprising a binding molecule comprising the single domain antibody binding molecule of claim 9 or 10. 前記単一ドメイン抗体結合分子が、前記細胞から分泌可能である、請求項23に記載の操作された免疫細胞。 24. The engineered immune cell of Claim 23, wherein said single domain antibody binding molecule is secretable from said cell. 請求項9または10に記載の単一ドメイン抗体を含む、医薬組成物。 A pharmaceutical composition comprising a single domain antibody according to claim 9 or 10. 対象における免疫応答を刺激または誘発する方法において使用するための、請求項9または10に記載の単離された単一ドメイン抗体を含む組成物であって、前記方法が、それを必要とする対象に、前記単離された単一ドメイン抗体を投与することを含む、組成物。 11. A composition comprising the isolated single domain antibody of claim 9 or 10 for use in a method of stimulating or eliciting an immune response in a subject, said method comprising administering said isolated single domain antibody to. 対象における疾患または状態を治療する方法において使用するための、請求項9または10に記載の単離された単一ドメイン抗体を含む組成物であって、前記方法が、それを必要とする対象に、治療有効量の前記単離された単一ドメイン抗体を投与することを含む、組成物。 11. A composition comprising the isolated single domain antibody of claim 9 or 10 for use in a method of treating a disease or condition in a subject, said method comprising treating a subject in need thereof , administering a therapeutically effective amount of said isolated single domain antibody.
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