JPWO2021225961A5 - - Google Patents
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- 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
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- 229920001184 polypeptide Polymers 0.000 claims description 81
- 102000004196 processed proteins & peptides Human genes 0.000 claims description 81
- 108090000765 processed proteins & peptides Proteins 0.000 claims description 81
- 125000003275 alpha amino acid group Chemical group 0.000 claims description 54
- 241000282465 Canis Species 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 18
- 210000001744 T-lymphocyte Anatomy 0.000 claims description 10
- 206010028980 Neoplasm Diseases 0.000 claims description 9
- 201000011510 cancer Diseases 0.000 claims description 9
- 210000004027 cell Anatomy 0.000 claims description 6
- 238000000338 in vitro Methods 0.000 claims description 6
- 102000039446 nucleic acids Human genes 0.000 claims description 6
- 108020004707 nucleic acids Proteins 0.000 claims description 6
- 150000007523 nucleic acids Chemical class 0.000 claims description 6
- NFGXHKASABOEEW-UHFFFAOYSA-N 1-methylethyl 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate Chemical compound COC(C)(C)CCCC(C)CC=CC(C)=CC(=O)OC(C)C NFGXHKASABOEEW-UHFFFAOYSA-N 0.000 claims description 4
- 102000008096 B7-H1 Antigen Human genes 0.000 claims description 4
- 108010074708 B7-H1 Antigen Proteins 0.000 claims description 4
- 238000011319 anticancer therapy Methods 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims description 4
- 239000008194 pharmaceutical composition Substances 0.000 claims description 4
- 201000003076 Angiosarcoma Diseases 0.000 claims description 2
- 206010006187 Breast cancer Diseases 0.000 claims description 2
- 208000026310 Breast neoplasm Diseases 0.000 claims description 2
- 201000009030 Carcinoma Diseases 0.000 claims description 2
- 208000001258 Hemangiosarcoma Diseases 0.000 claims description 2
- 206010025323 Lymphomas Diseases 0.000 claims description 2
- 208000006265 Renal cell carcinoma Diseases 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- 239000005557 antagonist Substances 0.000 claims description 2
- 239000002246 antineoplastic agent Substances 0.000 claims description 2
- 230000004071 biological effect Effects 0.000 claims description 2
- 239000000539 dimer Substances 0.000 claims description 2
- 210000003630 histaminocyte Anatomy 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 201000001441 melanoma Diseases 0.000 claims description 2
- 208000002154 non-small cell lung carcinoma Diseases 0.000 claims description 2
- 201000008968 osteosarcoma Diseases 0.000 claims description 2
- 230000004962 physiological condition Effects 0.000 claims description 2
- 238000001959 radiotherapy Methods 0.000 claims description 2
- 238000002271 resection Methods 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 238000002560 therapeutic procedure Methods 0.000 claims description 2
- 239000004308 thiabendazole Substances 0.000 claims description 2
- 208000029729 tumor suppressor gene on chromosome 11 Diseases 0.000 claims description 2
- 102100040678 Programmed cell death protein 1 Human genes 0.000 description 16
- 101710089372 Programmed cell death protein 1 Proteins 0.000 description 16
- 239000003937 drug carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
D
)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)
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:
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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 |
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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) |
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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 |
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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 |
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