JPWO2021225961A5 - - Google Patents

Download PDF

Info

Publication number
JPWO2021225961A5
JPWO2021225961A5 JP2022567339A JP2022567339A JPWO2021225961A5 JP WO2021225961 A5 JPWO2021225961 A5 JP WO2021225961A5 JP 2022567339 A JP2022567339 A JP 2022567339A JP 2022567339 A JP2022567339 A JP 2022567339A JP WO2021225961 A5 JPWO2021225961 A5 JP WO2021225961A5
Authority
JP
Japan
Prior art keywords
seq
amino acid
acid sequence
canine
polypeptide
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.)
Pending
Application number
JP2022567339A
Other languages
Japanese (ja)
Other versions
JP2023524995A (en
Publication date
Application filed filed Critical
Priority claimed from PCT/US2021/030476 external-priority patent/WO2021225961A1/en
Publication of JP2023524995A publication Critical patent/JP2023524995A/en
Publication of JPWO2021225961A5 publication Critical patent/JPWO2021225961A5/ja
Pending legal-status Critical Current

Links

Description

本明細書に示される実施形態は、イヌPD-1の活性を調節するイヌPD-1結合性ポリペプチド、及び癌を治療する様々な方法におけるそれらの使用に関する。
項1
イヌPD-1に結合する少なくとも1つのイヌ化VHHドメインを含むポリペプチドであって、前記ポリペプチドは、イヌFc領域を含み、かつイヌPD-1に結合する少なくとも1つのVHHドメインは、
a)配列番号6のアミノ酸配列を含むCDR1、配列番号7のアミノ酸配列を含むCDR2、配列番号8のアミノ酸配列を含むCDR3、
b)配列番号22のアミノ酸配列を含むCDR1、配列番号23のアミノ酸配列を含むCDR2、配列番号24のアミノ酸配列を含むCDR3、
c)配列番号25のアミノ酸配列を含むCDR1、配列番号26のアミノ酸配列を含むCDR2、配列番号27のアミノ酸配列を含むCDR3、又は、
d)配列番号28のアミノ酸配列を含むCDR1、配列番号29のアミノ酸配列を含むCDR2、配列番号30のアミノ酸配列を含むCDR3、
を含む、ポリペプチド。
項2
イヌPD-1に結合する少なくとも1つのVHHドメインを含むポリペプチドであって、前記ポリペプチドは、イヌFc領域を含み、かつイヌPD-1に結合する少なくとも1つのVHHドメインは、配列番号2~配列番号5から選択されるアミノ酸配列を含む、ポリペプチド。
項3
1つのVHHドメインを含む、項1又は2に記載のポリペプチド。
項4
2つのVHHドメインを含み、前記2つのVHHドメインは、同じ又は異なるものである、項1又は2に記載のポリペプチド。
項5
3つのVHHドメインを含み、前記3つのVHHドメインは、同じ又は異なるものである、項1又は2に記載のポリペプチド。
項6
各VHHドメインは、イヌPD-1に結合する、項1~5のいずれか一項に記載のポリペプチド。
項7
前記イヌFc領域は、イヌIgG Fc領域である、項1~6のいずれか一項に記載のポリペプチド。
項8
前記イヌFc領域は、イヌIgGB Fc領域である、項7に記載のポリペプチド。
項9
Kabatナンバリングによって決定されるFc領域のアミノ酸E233、M234、及びL235が欠失している、項7又は8に記載のポリペプチド。
項10
前記Fc領域は、Kabatナンバリングによって決定されるD265A及びN297Aの置換を含む、項7~9のいずれか一項に記載のポリペプチド。
項11
前記Fc領域は、配列番号19のアミノ酸配列を含む、項1~8のいずれか一項に記載のポリペプチド。
項12
前記イヌFc領域は、配列番号20のアミノ酸配列を含む、項1~10のいずれか一項に記載のポリペプチド。
項13
イヌPD-1に結合する少なくとも1つのVHHドメインは、配列番号6のアミノ酸配列を含むCDR1、配列番号7のアミノ酸配列を含むCDR2、配列番号8のアミノ酸配列を含むCDR3を含む、項1~12のいずれか一項に記載のポリペプチド。
項14
イヌPD-1に結合する少なくとも1つのVHHドメインは、配列番号3のアミノ酸配列を含む、項1~13のいずれか一項に記載のポリペプチド。
項15
前記ポリペプチドは、配列番号21のアミノ酸配列を含む、項1~10又は項12~14のいずれか一項に記載のポリペプチド。
項16
イヌPD-1に結合する少なくとも1つのVHHドメインは、イヌ化されている、項1又は項3~13のいずれか一項に記載のポリペプチド。
項17
イヌPD-1に結合する少なくとも1つのイヌ化VHHドメインは、配列番号6のアミノ酸配列を含むCDR1と、配列番号7のアミノ酸配列を含むCDR2と、配列番号8のアミノ酸配列を含むCDR3と、配列番号9~配列番号13から選択されるアミノ酸配列に対して少なくとも90%、95%、96%、97%、98%、99%、又は100%の同一性を有するアミノ酸配列とを含む、項16に記載のポリペプチド。
項18
イヌPD-1に結合する少なくとも1つのイヌ化VHHドメインは、配列番号9~配列番号13から選択されるアミノ酸配列を含む、項16又は17に記載のポリペプチド。
項19
前記ポリペプチドは、配列番号14~配列番号18から選択されるアミノ酸配列を含む、項16~18のいずれか一項に記載のポリペプチド。
項20
生理学的条件下で二量体を形成する、項1~19のいずれか一項に記載のポリペプチド。
項21
前記ポリペプチドは、in vitro及び/又はin vivoでイヌPD-1のイヌPD-L1への結合を減少させる、項1~20のいずれか一項に記載のポリペプチド。
項22
前記ポリペプチドは、イヌPD-1のイヌPD-L1への結合をin vitroで少なくとも50%、60%、70%、80%、又は少なくとも90%減少させる、項21に記載のポリペプチド。
項23
イヌPD-1の生物学的活性のアンタゴニストである、項1~22のいずれか一項に記載のポリペプチド。
項24
前記ポリペプチドは、100nM未満、50nM未満、25nM未満、又は10nM未満の親和性(K )でイヌPD-1に結合する、項1~23のいずれか一項に記載のポリペプチド。
項25
項1~24のいずれか一項に記載のポリペプチドと、薬学的に許容可能な担体とを含む医薬組成物。
項26
項1~24のいずれか一項に記載のポリペプチドをコードする単離された核酸。
項27
項26に記載の核酸を含むベクター。
項28
項26に記載の核酸又は項27に記載のベクターを含む宿主細胞。
項29
項1~24のいずれか一項に記載のポリペプチドを発現する宿主細胞。
項30
項1~24のいずれか一項に記載のポリペプチドを生産する方法であって、前記ポリペプチドの発現に適した条件下で項28又は項29に記載の宿主細胞をインキュベートすることを含む、方法。
項31
前記ポリペプチドを単離することを更に含む、項30に記載の方法。
項32
イヌCD4 T細胞及び/又はイヌCD8 T細胞を活性化させる方法であって、前記T細胞を項1~24のいずれか一項に記載のポリペプチドと接触させることを含む、方法。
項33
前記T細胞はin vitroで存在する、項32に記載の方法。
項34
前記T細胞はin vivoで存在する、項32に記載の方法。
項35
イヌにおける癌を治療する方法であって、癌を伴うイヌに、項1~24のいずれか一項に記載のポリペプチド又は項25に記載の医薬組成物を薬学的有効量、投与することを含む、方法。
項36
前記癌は、リンパ腫、血管肉腫、肥満細胞癌、黒色腫、骨肉腫、乳癌、腎細胞癌、及び非小細胞肺癌から選択される、項35に記載の方法。
項37
追加の抗癌療法を更に含む、項35又は36に記載の方法。
項38
前記追加の抗癌療法は、癌切除、放射線療法、及び追加の抗癌剤の投与から選択される少なくとも1つの療法を含む、項37に記載の方法。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments presented herein relate to canine PD-1 binding polypeptides that modulate the activity of canine PD-1, and their use in various methods of treating cancer.
Item 1
A polypeptide comprising at least one caninized VHH domain that binds to canine PD-1, said polypeptide comprising a canine Fc region, and wherein the at least one VHH domain that binds to canine PD-1 comprises:
a) CDR1 comprising the amino acid sequence of SEQ ID NO:6, CDR2 comprising the amino acid sequence of SEQ ID NO:7, CDR3 comprising the amino acid sequence of SEQ ID NO:8;
b) CDR1 comprising the amino acid sequence of SEQ ID NO: 22, CDR2 comprising the amino acid sequence of SEQ ID NO: 23, and CDR3 comprising the amino acid sequence of SEQ ID NO: 24;
c) a CDR1 comprising the amino acid sequence of SEQ ID NO: 25, a CDR2 comprising the amino acid sequence of SEQ ID NO: 26, and a CDR3 comprising the amino acid sequence of SEQ ID NO: 27; or
d) CDR1 comprising the amino acid sequence of SEQ ID NO: 28, CDR2 comprising the amino acid sequence of SEQ ID NO: 29, and CDR3 comprising the amino acid sequence of SEQ ID NO: 30;
A polypeptide comprising:
Item 2
A polypeptide comprising at least one VHH domain that binds to canine PD-1, said polypeptide comprising a canine Fc region, and wherein the at least one VHH domain that binds to canine PD-1 comprises an amino acid sequence selected from SEQ ID NO:2-SEQ ID NO:5.
Item 3
Item 3. The polypeptide according to item 1 or 2, comprising one VHH domain.
Item 4
Item 3. The polypeptide according to item 1 or 2, comprising two VHH domains, the two VHH domains being the same or different.
Item 5
Item 3. The polypeptide according to item 1 or 2, comprising three VHH domains, the three VHH domains being the same or different.
Item 6
6. The polypeptide of any one of claims 1 to 5, wherein each VHH domain binds to canine PD-1.
Item 7
Item 7. The polypeptide of any one of Items 1 to 6, wherein the canine Fc region is a canine IgG Fc region.
Item 8
8. The polypeptide of claim 7, wherein the canine Fc region is a canine IgG Fc region.
Item 9
Item 9. The polypeptide according to item 7 or 8, wherein the amino acids E233, M234, and L235 of the Fc region as determined by Kabat numbering are deleted.
Item 10
Item 10. The polypeptide of any one of Items 7 to 9, wherein the Fc region comprises a D265A and N297A substitution as determined by Kabat numbering.
Item 11
The polypeptide of any one of claims 1 to 8, wherein the Fc region comprises the amino acid sequence of SEQ ID NO:19.
Item 12
The polypeptide of any one of claims 1 to 10, wherein the canine Fc region comprises the amino acid sequence of SEQ ID NO:20.
Item 13
Item 13. The polypeptide of any one of Items 1 to 12, wherein at least one VHH domain that binds to canine PD-1 comprises a CDR1 comprising the amino acid sequence of SEQ ID NO: 6, a CDR2 comprising the amino acid sequence of SEQ ID NO: 7, and a CDR3 comprising the amino acid sequence of SEQ ID NO: 8.
Item 14
Item 14. The polypeptide of any one of Items 1 to 13, wherein at least one VHH domain that binds to canine PD-1 comprises the amino acid sequence of SEQ ID NO:3.
Item 15
The polypeptide of any one of paragraphs 1 to 10 or paragraphs 12 to 14, wherein the polypeptide comprises the amino acid sequence of SEQ ID NO:21.
Item 16
Item 14. The polypeptide of any one of Items 1 or 3 to 13, wherein at least one VHH domain that binds to canine PD-1 is caninized.
Item 17
The polypeptide of claim 16, wherein at least one caninized VHH domain that binds to canine PD-1 comprises a CDR1 comprising the amino acid sequence of SEQ ID NO: 6, a CDR2 comprising the amino acid sequence of SEQ ID NO: 7, a CDR3 comprising the amino acid sequence of SEQ ID NO: 8, and an amino acid sequence having at least 90%, 95%, 96%, 97%, 98%, 99%, or 100% identity to an amino acid sequence selected from SEQ ID NOs: 9 to 13.
Item 18
18. The polypeptide of claim 16 or 17, wherein at least one caninized VHH domain that binds to canine PD-1 comprises an amino acid sequence selected from SEQ ID NO: 9 to SEQ ID NO: 13.
Item 19
19. The polypeptide of any one of claims 16 to 18, wherein the polypeptide comprises an amino acid sequence selected from SEQ ID NO:14 to SEQ ID NO:18.
Item 20
20. The polypeptide according to any one of claims 1 to 19, which forms a dimer under physiological conditions.
Item 21
Item 21. The polypeptide according to any one of Items 1 to 20, wherein the polypeptide reduces binding of canine PD-1 to canine PD-L1 in vitro and/or in vivo.
Item 22
22. The polypeptide of claim 21, wherein the polypeptide reduces binding of canine PD-1 to canine PD-L1 in vitro by at least 50%, 60%, 70%, 80%, or at least 90%.
Item 23
23. The polypeptide of any one of paragraphs 1 to 22, which is an antagonist of the biological activity of canine PD-1.
Item 24
24. The polypeptide of any one of paragraphs 1 to 23, wherein the polypeptide binds to canine PD-1 with an affinity (K D ) of less than 100 nM, less than 50 nM, less than 25 nM, or less than 10 nM.
Item 25
25. A pharmaceutical composition comprising the polypeptide according to any one of items 1 to 24 and a pharma- ceutically acceptable carrier.
Item 26
25. An isolated nucleic acid encoding the polypeptide of any one of paragraphs 1 to 24.
Item 27
Item 27. A vector comprising the nucleic acid according to item 26.
Item 28
28. A host cell comprising the nucleic acid of paragraph 26 or the vector of paragraph 27.
Item 29
A host cell expressing the polypeptide according to any one of items 1 to 24.
Item 30
30. A method for producing a polypeptide according to any one of paragraphs 1 to 24, comprising incubating a host cell according to paragraph 28 or paragraph 29 under conditions suitable for expression of said polypeptide.
Item 31
31. The method of claim 30, further comprising isolating the polypeptide.
Item 32
25. A method of activating canine CD4 + T cells and/or canine CD8 + T cells, the method comprising contacting said T cells with a polypeptide according to any one of paragraphs 1 to 24.
Item 33
33. The method of claim 32, wherein the T cells are present in vitro.
Item 34
33. The method of claim 32, wherein the T cells are present in vivo.
Item 35
A method for treating cancer in a dog, comprising administering a pharma- ceutical effective amount of the polypeptide according to any one of paragraphs 1 to 24 or the pharmaceutical composition according to paragraph 25 to a dog with cancer.
Item 36
36. The method of claim 35, wherein the cancer is selected from lymphoma, hemangiosarcoma, mast cell carcinoma, melanoma, osteosarcoma, breast cancer, renal cell carcinoma, and non-small cell lung cancer.
Item 37
37. The method of claim 35 or 36, further comprising an additional anti-cancer therapy.
Item 38
38. The method of claim 37, wherein the additional anti-cancer therapy comprises at least one therapy selected from cancer resection, radiation therapy, and administration of an additional anti-cancer agent.

Claims (38)

イヌPD-1に結合する少なくとも1つのイヌ化VHHドメインを含むポリペプチドであって、前記ポリペプチドは、イヌFc領域を含み、かつイヌPD-1に結合する少なくとも1つのVHHドメインは、
a)配列番号6のアミノ酸配列を含むCDR1、配列番号7又は26のアミノ酸配列を含むCDR2、配列番号8のアミノ酸配列を含むCDR3、
b)配列番号22のアミノ酸配列を含むCDR1、配列番号23のアミノ酸配列を含むCDR2、配列番号24のアミノ酸配列を含むCDR3、
c)配列番号25のアミノ酸配列を含むCDR1、配列番号26のアミノ酸配列を含むCDR2、配列番号27のアミノ酸配列を含むCDR3、又は、
d)配列番号28のアミノ酸配列を含むCDR1、配列番号29のアミノ酸配列を含むCDR2、配列番号30のアミノ酸配列を含むCDR3、
を含む、ポリペプチド。
A polypeptide comprising at least one caninized VHH domain that binds to canine PD-1, said polypeptide comprising a canine Fc region, and wherein the at least one VHH domain that binds to canine PD-1 comprises:
a) CDR1 comprising the amino acid sequence of SEQ ID NO: 6, CDR2 comprising the amino acid sequence of SEQ ID NO: 7 or 26 , and CDR3 comprising the amino acid sequence of SEQ ID NO: 8;
b) CDR1 comprising the amino acid sequence of SEQ ID NO: 22, CDR2 comprising the amino acid sequence of SEQ ID NO: 23, and CDR3 comprising the amino acid sequence of SEQ ID NO: 24;
c) a CDR1 comprising the amino acid sequence of SEQ ID NO: 25, a CDR2 comprising the amino acid sequence of SEQ ID NO: 26, and a CDR3 comprising the amino acid sequence of SEQ ID NO: 27; or
d) CDR1 comprising the amino acid sequence of SEQ ID NO: 28, CDR2 comprising the amino acid sequence of SEQ ID NO: 29, and CDR3 comprising the amino acid sequence of SEQ ID NO: 30;
A polypeptide comprising:
イヌPD-1に結合する少なくとも1つのVHHドメインを含むポリペプチドであって、前記ポリペプチドは、イヌFc領域を含み、かつイヌPD-1に結合する少なくとも1つのVHHドメインは、配列番号2~配列番号5から選択されるアミノ酸配列を含む、ポリペプチド。 A polypeptide comprising at least one VHH domain that binds to canine PD-1, the polypeptide comprising a canine Fc region, and the at least one VHH domain that binds to canine PD-1 comprising an amino acid sequence selected from SEQ ID NO:2 to SEQ ID NO:5. 1つのVHHドメインを含む、請求項1又は2に記載のポリペプチド。 The polypeptide according to claim 1 or 2, comprising one VHH domain. 2つのVHHドメインを含み、前記2つのVHHドメインは、同じ又は異なるものである、請求項1又は2に記載のポリペプチド。 The polypeptide according to claim 1 or 2, comprising two VHH domains, the two VHH domains being the same or different. 3つのVHHドメインを含み、前記3つのVHHドメインは、同じ又は異なるものである、請求項1又は2に記載のポリペプチド。 The polypeptide according to claim 1 or 2, comprising three VHH domains, the three VHH domains being the same or different. 各VHHドメインは、イヌPD-1に結合する、請求項1~5のいずれか一項に記載のポリペプチド。 A polypeptide according to any one of claims 1 to 5, wherein each VHH domain binds to canine PD-1. 前記イヌFc領域は、イヌIgG Fc領域である、請求項1~6のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 6, wherein the canine Fc region is a canine IgG Fc region. 前記イヌFc領域は、イヌIgGB Fc領域である、請求項7に記載のポリペプチド。 The polypeptide of claim 7, wherein the canine Fc region is a canine IgG Fc region. Kabatナンバリングによって決定されるFc領域のアミノ酸E233、M234、及びL235が欠失している、請求項7又は8に記載のポリペプチド。 The polypeptide according to claim 7 or 8, wherein the amino acids E233, M234, and L235 of the Fc region as determined by Kabat numbering are deleted. 前記Fc領域は、Kabatナンバリングによって決定されるD265A及びN297Aの置換を含む、請求項7~9のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 7 to 9, wherein the Fc region comprises the substitutions D265A and N297A as determined by Kabat numbering. 前記Fc領域は、配列番号19のアミノ酸配列を含む、請求項1~8のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 8, wherein the Fc region comprises the amino acid sequence of SEQ ID NO: 19. 前記イヌFc領域は、配列番号20のアミノ酸配列を含む、請求項1~10のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 10, wherein the canine Fc region comprises the amino acid sequence of SEQ ID NO: 20. イヌPD-1に結合する少なくとも1つのVHHドメインは、配列番号6のアミノ酸配列を含むCDR1、配列番号7のアミノ酸配列を含むCDR2、配列番号8のアミノ酸配列を含むCDR3を含む、請求項1~12のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 12, wherein at least one VHH domain that binds to canine PD-1 comprises a CDR1 comprising the amino acid sequence of SEQ ID NO:6, a CDR2 comprising the amino acid sequence of SEQ ID NO:7, and a CDR3 comprising the amino acid sequence of SEQ ID NO:8. イヌPD-1に結合する少なくとも1つのVHHドメインは、配列番号3のアミノ酸配列を含む、請求項1~13のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 13, wherein at least one VHH domain that binds to canine PD-1 comprises the amino acid sequence of SEQ ID NO: 3. 前記ポリペプチドは、配列番号21のアミノ酸配列を含む、請求項1~10又は請求項12~14のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 10 or claims 12 to 14, wherein the polypeptide comprises the amino acid sequence of SEQ ID NO:21. イヌPD-1に結合する少なくとも1つのVHHドメインは、イヌ化されている、請求項1又は請求項3~13のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 or 3 to 13, wherein at least one VHH domain that binds to canine PD-1 is caninized. イヌPD-1に結合する少なくとも1つのイヌ化VHHドメインは、配列番号6のアミノ酸配列を含むCDR1と、配列番号7又は26のアミノ酸配列を含むCDR2と、配列番号8のアミノ酸配列を含むCDR3と、配列番号9~配列番号13から選択されるアミノ酸配列に対して少なくとも90%、95%、96%、97%、98%、99%、又は100%の同一性を有するアミノ酸配列とを含む、請求項16に記載のポリペプチド。 The polypeptide of claim 16, wherein at least one caninized VHH domain that binds to canine PD-1 comprises a CDR1 comprising the amino acid sequence of SEQ ID NO: 6, a CDR2 comprising the amino acid sequence of SEQ ID NO: 7 or 26 , a CDR3 comprising the amino acid sequence of SEQ ID NO: 8, and an amino acid sequence having at least 90%, 95%, 96%, 97%, 98%, 99%, or 100% identity to an amino acid sequence selected from SEQ ID NOs: 9 to 13. イヌPD-1に結合する少なくとも1つのイヌ化VHHドメインは、配列番号9~配列番号13から選択されるアミノ酸配列を含む、請求項16又は17に記載のポリペプチド。 The polypeptide according to claim 16 or 17, wherein at least one caninized VHH domain that binds to canine PD-1 comprises an amino acid sequence selected from SEQ ID NO:9 to SEQ ID NO:13. 前記ポリペプチドは、配列番号14~配列番号18から選択されるアミノ酸配列を含む、請求項16~18のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 16 to 18, wherein the polypeptide comprises an amino acid sequence selected from SEQ ID NO: 14 to SEQ ID NO: 18. 生理学的条件下で二量体を形成する、請求項1~19のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 19, which forms a dimer under physiological conditions. 前記ポリペプチドは、in vitro及び/又はin vivoでイヌPD-1のイヌPD-L1への結合を減少させる、請求項1~20のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 20, wherein the polypeptide reduces binding of canine PD-1 to canine PD-L1 in vitro and/or in vivo. 前記ポリペプチドは、イヌPD-1のイヌPD-L1への結合をin vitroで少なくとも50%、60%、70%、80%、又は少なくとも90%減少させる、請求項21に記載のポリペプチド。 The polypeptide of claim 21, wherein the polypeptide reduces binding of canine PD-1 to canine PD-L1 in vitro by at least 50%, 60%, 70%, 80%, or at least 90%. イヌPD-1の生物学的活性のアンタゴニストである、請求項1~22のいずれか一項に記載のポリペプチド。 The polypeptide according to any one of claims 1 to 22, which is an antagonist of the biological activity of canine PD-1. 前記ポリペプチドは、100nM未満、50nM未満、25nM未満、又は10nM未満の親和性(K)でイヌPD-1に結合する、請求項1~23のいずれか一項に記載のポリペプチド。 24. The polypeptide of any one of claims 1-23, wherein the polypeptide binds to canine PD-1 with an affinity (K D ) of less than 100 nM, less than 50 nM, less than 25 nM, or less than 10 nM. 請求項1~24のいずれか一項に記載のポリペプチドと、薬学的に許容可能な担体とを含む医薬組成物。 A pharmaceutical composition comprising the polypeptide according to any one of claims 1 to 24 and a pharma- ceutical acceptable carrier. 請求項1~24のいずれか一項に記載のポリペプチドをコードする単離された核酸。 An isolated nucleic acid encoding a polypeptide according to any one of claims 1 to 24. 請求項26に記載の核酸を含むベクター。 A vector comprising the nucleic acid of claim 26. 請求項26に記載の核酸又は請求項27に記載のベクターを含む宿主細胞。 A host cell comprising the nucleic acid of claim 26 or the vector of claim 27. 請求項1~24のいずれか一項に記載のポリペプチドを発現する宿主細胞。 A host cell expressing a polypeptide according to any one of claims 1 to 24. 請求項1~24のいずれか一項に記載のポリペプチドを生産する方法であって、前記ポリペプチドの発現に適した条件下で請求項28又は請求項29に記載の宿主細胞をインキュベートすることを含む、方法。 A method for producing a polypeptide according to any one of claims 1 to 24, comprising incubating a host cell according to claim 28 or claim 29 under conditions suitable for expression of the polypeptide. 前記ポリペプチドを単離することを更に含む、請求項30に記載の方法。 31. The method of claim 30, further comprising isolating the polypeptide. イヌCD4T細胞及び/又はイヌCD8T細胞を活性化させる方法であって、前記T細胞を請求項1~24のいずれか一項に記載のポリペプチドと接触させることを含む、方法。 A method for activating canine CD4 + T cells and/or canine CD8 + T cells, comprising contacting said T cells with a polypeptide according to any one of claims 1 to 24. 前記T細胞はin vitroで存在する、請求項32に記載の方法。 The method of claim 32, wherein the T cells are present in vitro. 前記T細胞はin vivoで存在する、請求項32に記載の方法。 The method of claim 32, wherein the T cells are present in vivo. イヌにおける癌を治療する方法であって、癌を伴うイヌに、請求項1~24のいずれか一項に記載のポリペプチド又は請求項25に記載の医薬組成物を薬学的有効量、投与することを含む、方法。 A method for treating cancer in a dog, comprising administering to a dog with cancer a pharma- tically effective amount of a polypeptide according to any one of claims 1 to 24 or a pharmaceutical composition according to claim 25. 前記癌は、リンパ腫、血管肉腫、肥満細胞癌、黒色腫、骨肉腫、乳癌、腎細胞癌、及び非小細胞肺癌から選択される、請求項35に記載の方法。 The method of claim 35, wherein the cancer is selected from lymphoma, hemangiosarcoma, mast cell carcinoma, melanoma, osteosarcoma, breast cancer, renal cell carcinoma, and non-small cell lung cancer. 追加の抗癌療法を更に含む、請求項35又は36に記載の方法。 The method of claim 35 or 36, further comprising an additional anti-cancer therapy. 前記追加の抗癌療法は、癌切除、放射線療法、及び追加の抗癌剤の投与から選択される少なくとも1つの療法を含む、請求項37に記載の方法。 38. The method of claim 37, wherein the additional anti-cancer therapy comprises at least one therapy selected from cancer resection, radiation therapy, and administration of an additional anti-cancer agent.
JP2022567339A 2020-05-04 2021-05-03 Canine PD-1 binding polypeptide and use thereof Pending JP2023524995A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063019817P 2020-05-04 2020-05-04
US63/019,817 2020-05-04
PCT/US2021/030476 WO2021225961A1 (en) 2020-05-04 2021-05-03 Canine pd-1-binding polypeptides and uses thereof

Publications (2)

Publication Number Publication Date
JP2023524995A JP2023524995A (en) 2023-06-14
JPWO2021225961A5 true JPWO2021225961A5 (en) 2024-05-15

Family

ID=76076497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022567339A Pending JP2023524995A (en) 2020-05-04 2021-05-03 Canine PD-1 binding polypeptide and use thereof

Country Status (10)

Country Link
US (1) US20230331846A1 (en)
EP (1) EP4146696A1 (en)
JP (1) JP2023524995A (en)
KR (1) KR20230005955A (en)
CN (1) CN115776990A (en)
AU (1) AU2021266688A1 (en)
BR (1) BR112022022352A2 (en)
CA (1) CA3177921A1 (en)
MX (1) MX2022013840A (en)
WO (1) WO2021225961A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110982824B (en) * 2019-10-09 2022-04-15 天津大学 PD-1 antagonistic antibody analogue BP gene, protein and application
CN117343185B (en) * 2023-12-06 2024-03-01 北京伟杰信生物科技有限公司 Anti-canine PD-1 antibody and application thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4816567A (en) 1983-04-08 1989-03-28 Genentech, Inc. Recombinant immunoglobin preparations
US7217797B2 (en) 2002-10-15 2007-05-15 Pdl Biopharma, Inc. Alteration of FcRn binding affinities or serum half-lives of antibodies by mutagenesis
CN1871359B (en) 2003-10-22 2010-11-17 凯克研究生院 Methods of synthesizing heteromultimeric polypeptides in yeast using a haploid mating strategy
EP2771694A4 (en) * 2011-10-26 2015-08-05 Novartis Tiergesundheit Ag Monoclonal antibodies and methods of use
JP6279733B2 (en) * 2014-07-09 2018-02-14 日本全薬工業株式会社 Anti-canine PD-1 antibody or anti-canine PD-L1 antibody
ES2847311T3 (en) * 2014-08-05 2021-08-02 MabQuest SA Immunological reagents that bind to PD-1
WO2020077257A1 (en) * 2018-10-11 2020-04-16 Inhibrx, Inc. Pd-1 single domain antibodies and therapeutic compositions thereof
CN112920276B (en) * 2019-06-03 2021-11-12 北京希诺谷生物科技有限公司 Anti-canine PD-1 antibody and preparation method thereof

Similar Documents

Publication Publication Date Title
US11466085B2 (en) Anti-PD-L1 nanobody, coding sequence and use thereof
CN109096396B (en) anti-PD-L1 humanized nano antibody and application thereof
US11292841B2 (en) Anti-PD-1 nano-antibody and application thereof
WO2020200210A1 (en) Anti-pd-l1/vegf bifunctional antibody and use thereof
US11840577B2 (en) Antigen binding proteins specifically binding MAGE-A
CN113227151B (en) Anti-HER 2/PD1 bispecific antibodies
JP6242484B2 (en) Certain improved human bispecific EGFRvIII antibody binding molecules
Murad et al. Advances in the use of natural receptor-or ligand-based chimeric antigen receptors (CARs) in haematologic malignancies
JP6154895B2 (en) Human bispecific EGFRvIII antibody binding molecule
US20230203200A1 (en) Recruiting agent further binding an mhc molecule
JP2020530306A (en) Multispecific antibody and its preparation and usage
WO2021219127A1 (en) Bispecific antibody targeting her2 and pd-1 and application thereof
CN103965363A (en) Fusion protein efficiently combined with PD-1 and VEGF, and coding sequence and use thereof
KR20200092301A (en) Multi-specific antibodies and methods of making the same and uses thereof
EP3873612A2 (en) Methods of administering anti-tim-3 antibodies
KR20220012856A (en) Anti-PD-L1 antibody and uses thereof
JP2010500006A5 (en)
CN114502188A (en) Artificial immune monitoring chimeric antigen receptor and expression cell thereof
McCue et al. Advances in modular control of CAR-T therapy with adapter-mediated CARs
JP7054143B2 (en) Chimeric antigen receptor and its utilization
WO2021244553A1 (en) Tetravalent bispecific antibody against pd-1 and egfr
WO2022022709A1 (en) SIRPα-FC FUSION PROTEIN
JPWO2021225961A5 (en)
WO2015054958A1 (en) Anti-cd20-flex bifunctional fusion protein, and preparation method and use thereof
CN113980133A (en) Antibody and application thereof in anti-tumor