JP6460796B2 - 高親和性sirp−アルファ試薬 - Google Patents
高親和性sirp−アルファ試薬 Download PDFInfo
- Publication number
- JP6460796B2 JP6460796B2 JP2014552401A JP2014552401A JP6460796B2 JP 6460796 B2 JP6460796 B2 JP 6460796B2 JP 2014552401 A JP2014552401 A JP 2014552401A JP 2014552401 A JP2014552401 A JP 2014552401A JP 6460796 B2 JP6460796 B2 JP 6460796B2
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- JP
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- Prior art keywords
- sirpα
- high affinity
- cells
- polypeptide variant
- amino acid
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4702—Regulators; Modulating activity
- C07K14/4703—Inhibitors; Suppressors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
- C07K16/2803—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/16—Hydrolases (3) acting on ester bonds (3.1)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/177—Receptors; Cell surface antigens; Cell surface determinants
- A61K38/1774—Immunoglobulin superfamily (e.g. CD2, CD4, CD8, ICAM molecules, B7 molecules, Fc-receptors, MHC-molecules)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/52—Constant or Fc region; Isotype
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
- C07K2319/30—Non-immunoglobulin-derived peptide or protein having an immunoglobulin constant or Fc region, or a fragment thereof, attached thereto
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y301/00—Hydrolases acting on ester bonds (3.1)
- C12Y301/03—Phosphoric monoester hydrolases (3.1.3)
- C12Y301/03048—Protein-tyrosine-phosphatase (3.1.3.48)
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Medicinal Chemistry (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Biophysics (AREA)
- Wood Science & Technology (AREA)
- Biomedical Technology (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Gastroenterology & Hepatology (AREA)
- Toxicology (AREA)
- General Engineering & Computer Science (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Tropical Medicine & Parasitology (AREA)
- Food Science & Technology (AREA)
- Cell Biology (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Peptides Or Proteins (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261587247P | 2012-01-17 | 2012-01-17 | |
| US61/587,247 | 2012-01-17 | ||
| PCT/US2013/021937 WO2013109752A1 (en) | 2012-01-17 | 2013-01-17 | High affinity sirp-alpha reagents |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017134728A Division JP6742279B2 (ja) | 2012-01-17 | 2017-07-10 | 高親和性sirp−アルファ試薬 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015504899A JP2015504899A (ja) | 2015-02-16 |
| JP6460796B2 true JP6460796B2 (ja) | 2019-01-30 |
Family
ID=48799653
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014552401A Active JP6460796B2 (ja) | 2012-01-17 | 2013-01-17 | 高親和性sirp−アルファ試薬 |
| JP2017134728A Active JP6742279B2 (ja) | 2012-01-17 | 2017-07-10 | 高親和性sirp−アルファ試薬 |
| JP2019151758A Active JP6783361B2 (ja) | 2012-01-17 | 2019-08-22 | 高親和性sirp−アルファ試薬 |
| JP2020084303A Active JP6918179B2 (ja) | 2012-01-17 | 2020-05-13 | 高親和性sirp−アルファ試薬 |
| JP2021119529A Withdrawn JP2021176873A (ja) | 2012-01-17 | 2021-07-20 | 高親和性sirp−アルファ試薬 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017134728A Active JP6742279B2 (ja) | 2012-01-17 | 2017-07-10 | 高親和性sirp−アルファ試薬 |
| JP2019151758A Active JP6783361B2 (ja) | 2012-01-17 | 2019-08-22 | 高親和性sirp−アルファ試薬 |
| JP2020084303A Active JP6918179B2 (ja) | 2012-01-17 | 2020-05-13 | 高親和性sirp−アルファ試薬 |
| JP2021119529A Withdrawn JP2021176873A (ja) | 2012-01-17 | 2021-07-20 | 高親和性sirp−アルファ試薬 |
Country Status (19)
| Country | Link |
|---|---|
| US (4) | US9944911B2 (enExample) |
| EP (2) | EP3766511A1 (enExample) |
| JP (5) | JP6460796B2 (enExample) |
| CN (2) | CN104136037B (enExample) |
| AU (1) | AU2013209736C1 (enExample) |
| CA (1) | CA2861307C (enExample) |
| CY (1) | CY1123419T1 (enExample) |
| DK (1) | DK2804617T3 (enExample) |
| ES (1) | ES2816647T3 (enExample) |
| HK (1) | HK1253217A1 (enExample) |
| HR (1) | HRP20201285T1 (enExample) |
| HU (1) | HUE050875T2 (enExample) |
| LT (1) | LT2804617T (enExample) |
| PL (1) | PL2804617T3 (enExample) |
| PT (1) | PT2804617T (enExample) |
| RS (1) | RS60606B1 (enExample) |
| SI (1) | SI2804617T1 (enExample) |
| SM (1) | SMT202000689T1 (enExample) |
| WO (1) | WO2013109752A1 (enExample) |
Families Citing this family (145)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104136037B (zh) * | 2012-01-17 | 2018-02-23 | 小利兰·斯坦福大学托管委员会 | 高亲和力SIRP‑α试剂 |
| HRP20191500T1 (hr) | 2012-02-06 | 2019-11-29 | Inhibrx Inc | Protutijela protiv cd47 i postupci njihove upotrebe |
| DK2931752T3 (da) * | 2012-12-17 | 2019-11-18 | Trillium Therapeutics Inc | Behandling af cd47+ sygdomsceller med sirp-alpha-fc-fusioner |
| AU2014238105B2 (en) | 2013-03-15 | 2018-11-15 | The Board Of Trustees Of The Leland Stanford Junior University | Methods for achieving therapeutically effective doses of anti-CD47 agents |
| ES2898627T3 (es) * | 2013-04-29 | 2022-03-08 | Univ Leland Stanford Junior | Uso de agentes anti-CD47 para mejorar la inmunización |
| WO2015041987A1 (en) * | 2013-09-18 | 2015-03-26 | The Board Of Trustees Of The Leland Stanford Junior University | Modulation of efferocytosis pathways for treatment of atherosclerotic disease |
| WO2015161267A2 (en) | 2014-04-18 | 2015-10-22 | The Board Of Trustees Of The Leland Stanford Junior University | Humanized and chimeric monoclonal antibodies to cd99 |
| ES2819451T3 (es) | 2014-08-08 | 2021-04-16 | Univ Leland Stanford Junior | Agentes PD-1 de alta afinidad y procedimientos de uso |
| CN113621075B (zh) * | 2014-08-08 | 2024-09-20 | Alx肿瘤生物技术公司 | SIRP-α变体构建体及其用途 |
| WO2016023001A1 (en) * | 2014-08-08 | 2016-02-11 | The Board Of Trustees Of The Leland Stanford Junior University | Multispecific high affinity pd-1 agents and methods of use |
| EP3188758B1 (en) | 2014-08-08 | 2023-10-04 | The Board of Trustees of the Leland Stanford Junior University | Sirp alpha-antibody fusion proteins |
| LT3180363T (lt) | 2014-08-15 | 2019-11-25 | Merck Patent Gmbh | Sirp-alfa imunoglobulino sulieti baltymai |
| EP4257145B1 (en) | 2014-08-26 | 2025-06-25 | The Board of Trustees of the Leland Stanford Junior University | Engraftment of stem cells with a combination of an agent that targets stem cells and modulation of immunoregulatory signaling |
| CA2958898A1 (en) * | 2014-09-15 | 2016-03-24 | The Board Of Trustees Of The Leland Stanford Junior University | Targeting aneurysm disease by modulating phagocytosis pathways |
| CA2959821C (en) | 2014-10-24 | 2024-10-29 | The Board Of Trustees Of The Leland Stanford Junior University | Compositions and methods for inducing phagocytosis of MHC class I positive cells and for overcoming resistance to anti-CD47 agents/SIRPA |
| EP3012271A1 (en) | 2014-10-24 | 2016-04-27 | Effimune | Method and compositions for inducing differentiation of myeloid derived suppressor cell to treat cancer and infectious diseases |
| US10864268B2 (en) * | 2014-11-18 | 2020-12-15 | Janssen Pharmaceutica Nv | CD47 antibodies, methods, and uses |
| EP3240569A4 (en) * | 2014-12-30 | 2018-05-30 | Celgene Corporation | Anti-cd47 antibodies and uses thereof |
| EP3261671B1 (en) | 2015-02-27 | 2020-10-21 | The Board of Trustees of the Leland Stanford Junior University | Combination therapy for treatment of atherosclerosis |
| CN106146670B (zh) * | 2015-04-24 | 2019-01-15 | 宜明昂科生物医药技术(上海)有限公司 | 一种新的重组双功能融合蛋白及其制备和应用 |
| WO2016179399A1 (en) * | 2015-05-06 | 2016-11-10 | The Board Of Trustees Of The Leland Stanford Junior University | High affinity cd47 analogs |
| DK3298043T3 (da) * | 2015-05-18 | 2021-02-15 | Ab Initio Biotherapeutics Inc | SIRP-polypeptidsammensætninger og fremgangsmåder til anvendelse |
| IL294679B2 (en) | 2015-08-07 | 2023-10-01 | Alx Oncology Inc | Structures with a SIRP-alpha site or its variant |
| BR102016018074A2 (pt) * | 2015-08-07 | 2021-11-16 | ALX Oncology Inc. | Construção variante de sirp-alfa, seu método de preparação e seus usos, molécula de ácido nucleico, vetor, célula hospedeira, e composição farmacêutica |
| ES2894335T5 (es) | 2015-08-26 | 2024-06-27 | Univ Leland Stanford Junior | Reducción mejorada de células objetivo con bloqueo de CD47 y un agonista coestimulador inmune |
| CN115569192A (zh) | 2015-12-11 | 2023-01-06 | 小利兰·斯坦福大学托管委员会 | 以双重靶向cd47和egfr来治疗癌症 |
| CN114716552B (zh) | 2016-01-11 | 2024-05-24 | 四十七公司 | 人源化、小鼠或嵌合抗cd47单克隆抗体 |
| EP4438626A3 (en) | 2016-04-14 | 2024-12-04 | OSE Immunotherapeutics | New anti-sirpa antibodies and their therapeutic applications |
| US11472878B2 (en) | 2016-04-15 | 2022-10-18 | The Board Of Trustees Of The Leland Stanford Junior University | Methods for determining and achieving therapeutically effective doses of anti-CD47 agents in treatment of cancer |
| US11649284B2 (en) | 2016-04-18 | 2023-05-16 | Baylor College Of Medicine | Cancer gene therapy targeting CD47 |
| CA3019841A1 (en) | 2016-04-29 | 2017-11-02 | The Board Of Trustees Of The Leland Stanford Junior University | Methods and compositions for the prevention and treatment of surgical adhesions |
| US11560433B2 (en) | 2016-05-27 | 2023-01-24 | Albert Einstein College Of Medicine | Methods of treatment by targeting VCAM1 and MAEA |
| US10148939B2 (en) | 2016-07-19 | 2018-12-04 | Gopro, Inc. | Mapping of spherical image data into rectangular faces for transport and decoding across networks |
| ES2987333T3 (es) * | 2016-10-26 | 2024-11-14 | Univ Leland Stanford Junior | Regiones bisagra de inmunoglobulina modificadas para reducir la hemaglutinación |
| WO2018081898A1 (en) | 2016-11-03 | 2018-05-11 | Trillium Therapeutics Inc. | Improvements in cd47 blockade therapy by hdac inhibitors |
| WO2018081897A1 (en) | 2016-11-03 | 2018-05-11 | Trillium Therapeutics Inc. | Enhancement of cd47 blockade therapy by proteasome inhibitors |
| EP3563835A4 (en) * | 2016-12-29 | 2020-12-30 | Korea Institute of Science and Technology | NEW EXOSOME-BASED ANTI-CANCER AGENT |
| DK3565579T3 (da) | 2017-01-05 | 2023-09-04 | Kahr Medical Ltd | Pd1-41bbl-fusionsprotein og fremgangsmåder til anvendelse deraf |
| WO2018127916A1 (en) | 2017-01-05 | 2018-07-12 | Kahr Medical Ltd. | A pd1-cd70 fusion protein and methods of use thereof |
| HRP20220230T1 (hr) | 2017-01-05 | 2022-04-29 | Kahr Medical Ltd. | Sirp1 alfa-41bbl fuzijski protein i metoda njegove upotrebe |
| CN110913875A (zh) | 2017-01-06 | 2020-03-24 | 同生运营公司 | 程序化以在肿瘤细胞中产生免疫调节子和抗癌治疗剂的微生物 |
| WO2018140940A1 (en) | 2017-01-30 | 2018-08-02 | The Board Of Trustees Of The Leland Stanford Junior University | A non-genotoxic conditioning regimen for stem cell transplantation |
| US11286301B2 (en) * | 2017-02-28 | 2022-03-29 | The Board Of Trustees Of The Leland Stanford Junior University | Antifibrotic activity of CD47 blockade |
| US11078272B2 (en) | 2017-03-09 | 2021-08-03 | The Board Of Trustees Of The Leland Stanford Junior University | Treatment of pediatric brain tumors with targeting of CD47 pathway |
| CN117065013A (zh) | 2017-06-21 | 2023-11-17 | 小利兰·斯坦福大学托管委员会 | 针对血液恶性肿瘤的cd47靶向疗法的给药参数 |
| WO2019014391A1 (en) | 2017-07-12 | 2019-01-17 | Synlogic Operating Company, Inc. | MICROORGANISMS PROGRAMMED TO PRODUCE IMMUNOMODULATORS AND ANTICANCER THERAPEUTIC AGENTS IN TUMOR CELLS |
| AU2018312222B2 (en) | 2017-08-02 | 2024-11-21 | Phanes Therapeutics, Inc. | Anti-CD47 antibodies and uses thereof |
| US11529425B2 (en) | 2017-09-07 | 2022-12-20 | Dingfu Biotarget Co., Ltd. | Immunoconjugates comprising signal regulatory protein alpha |
| WO2019061012A1 (zh) * | 2017-09-26 | 2019-04-04 | 南京凯地生物科技有限公司 | 靶向cd47的特异性嵌合抗原受体t细胞的制备及其应用 |
| WO2019073080A1 (en) | 2017-10-13 | 2019-04-18 | Ose Immunotherapeutics | ANTI-SIRPA MODIFIED ANTIBODIES AND USES THEREOF |
| CN111247172B (zh) | 2017-10-18 | 2023-11-14 | 四十七公司 | 基于抗cd47剂的卵巢癌疗法 |
| CA3080640C (en) | 2017-11-06 | 2024-04-09 | Trillium Therapeutics Inc. | Cd47 blockade with radiation therapy |
| CA3083946A1 (en) | 2017-12-01 | 2019-06-06 | Seattle Genetics, Inc. | Cd47 antibodies and uses thereof for treating cancer |
| WO2019109357A1 (zh) * | 2017-12-08 | 2019-06-13 | 杭州翰思生物医药有限公司 | 抗pd-1/cd47的双特异性抗体及其应用 |
| CN109971716B (zh) * | 2017-12-28 | 2023-08-01 | 上海细胞治疗研究院 | 自分泌cd47抗体的egfr特异性car-t细胞及其用途 |
| EP4129336B1 (en) | 2018-02-12 | 2025-05-07 | Forty Seven, LLC | Anti-cd47 agent-based treatment of cd20-positive cancer |
| CN108484774B (zh) * | 2018-03-09 | 2021-11-05 | 上海高菲生物科技有限公司 | 一种SIRPα融合蛋白及其制备方法和用途 |
| CN111936167A (zh) * | 2018-03-13 | 2020-11-13 | 延龄草治疗公司 | Egfr抗体对cd47阻断疗法的改善 |
| KR20210006338A (ko) | 2018-03-13 | 2021-01-18 | 오제 이뮈노테라프틱스 | 항-인간 SIRPa v1 항체의 이용 및 항-SIRPa v1 항체를 생산하는 방법 |
| CN108872569A (zh) * | 2018-06-19 | 2018-11-23 | 浠思(上海)生物技术有限公司 | 利用HTRF一步法筛选CD47/SIRP alpha阻断剂的方法 |
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| CN112543767B (zh) | 2018-07-11 | 2024-05-31 | 卡尔医学有限公司 | Pd1-4-1bbl变体融合蛋白及其使用方法 |
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| CN109306017B (zh) * | 2018-10-12 | 2021-02-09 | 倍而达药业(苏州)有限公司 | 一种基于SIRP-αD1突变体制备的重组蛋白及应用 |
| BR112021008908A2 (pt) * | 2018-11-07 | 2021-08-17 | Daiichi Sankyo Company, Limited | método para melhorar a cinética do peptídeo no sangue |
| CN111303293B (zh) | 2018-11-14 | 2022-08-30 | 杭州尚健生物技术有限公司 | 一种融合蛋白及其用途 |
| KR20210094609A (ko) | 2018-11-28 | 2021-07-29 | 포티 세븐, 인코포레이티드 | 절제 레짐에 대해 저항성인 유전적으로 변형된 hspc |
| US20220289821A1 (en) * | 2018-11-29 | 2022-09-15 | Trillium Therapeutics Inc | Biomarkers for cd47 blockade therapy |
| EP3898676A1 (en) | 2018-12-21 | 2021-10-27 | OSE Immunotherapeutics | Bifunctional anti-pd-1/sirpa molecule |
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