CN105907719A - Anti ROBO1 CAR-T细胞及其制备和应用 - Google Patents

Anti ROBO1 CAR-T细胞及其制备和应用 Download PDF

Info

Publication number
CN105907719A
CN105907719A CN201610237593.2A CN201610237593A CN105907719A CN 105907719 A CN105907719 A CN 105907719A CN 201610237593 A CN201610237593 A CN 201610237593A CN 105907719 A CN105907719 A CN 105907719A
Authority
CN
China
Prior art keywords
cell
car
scfv
fusion protein
robo1
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.)
Granted
Application number
CN201610237593.2A
Other languages
English (en)
Other versions
CN105907719B (zh
Inventor
李华顺
董宁
王保垒
任宝永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan asikeli Biotechnology Co.,Ltd.
Original Assignee
李华顺
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李华顺 filed Critical 李华顺
Priority to CN201610237593.2A priority Critical patent/CN105907719B/zh
Priority to US16/094,247 priority patent/US11345893B2/en
Priority to PCT/CN2016/092577 priority patent/WO2017181552A1/zh
Publication of CN105907719A publication Critical patent/CN105907719A/zh
Application granted granted Critical
Publication of CN105907719B publication Critical patent/CN105907719B/zh
Priority to US17/732,581 priority patent/US20220267731A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/30Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
    • C07K16/303Liver or Pancreas
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/06Animal cells or tissues; Human cells or tissues
    • C12N5/0602Vertebrate cells
    • C12N5/0634Cells from the blood or the immune system
    • C12N5/0645Macrophages, e.g. Kuepfer cells in the liver; Monocytes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/16Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A61K38/17Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/46Cellular immunotherapy
    • A61K39/461Cellular immunotherapy characterised by the cell type used
    • A61K39/4611T-cells, e.g. tumor infiltrating lymphocytes [TIL], lymphokine-activated killer cells [LAK] or regulatory T cells [Treg]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/46Cellular immunotherapy
    • A61K39/463Cellular immunotherapy characterised by recombinant expression
    • A61K39/4631Chimeric Antigen Receptors [CAR]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/46Cellular immunotherapy
    • A61K39/464Cellular immunotherapy characterised by the antigen targeted or presented
    • A61K39/4643Vertebrate antigens
    • A61K39/4644Cancer antigens
    • A61K39/464402Receptors, cell surface antigens or cell surface determinants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705Receptors; Cell surface antigens; Cell surface determinants
    • C07K14/70596Molecules with a "CD"-designation not provided for elsewhere
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803Immunoglobulins [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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/30Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/62DNA sequences coding for fusion proteins
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/06Animal cells or tissues; Human cells or tissues
    • C12N5/0602Vertebrate cells
    • C12N5/0634Cells from the blood or the immune system
    • C12N5/0636T lymphocytes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/06Animal cells or tissues; Human cells or tissues
    • C12N5/0602Vertebrate cells
    • C12N5/0634Cells from the blood or the immune system
    • C12N5/0636T lymphocytes
    • C12N5/0638Cytotoxic T lymphocytes [CTL] or lymphokine activated killer cells [LAK]
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/10Cells modified by introduction of foreign genetic material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/60Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622Single chain antibody (scFv)
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/01Fusion polypeptide containing a localisation/targetting motif
    • C07K2319/03Fusion polypeptide containing a localisation/targetting motif containing a transmembrane segment
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/33Fusion polypeptide fusions for targeting to specific cell types, e.g. tissue specific targeting, targeting of a bacterial subspecies
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2501/00Active agents used in cell culture processes, e.g. differentation
    • C12N2501/50Cell markers; Cell surface determinants
    • C12N2501/515CD3, T-cell receptor complex
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2510/00Genetically modified cells
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2740/00Reverse transcribing RNA viruses
    • C12N2740/00011Details
    • C12N2740/10011Retroviridae
    • C12N2740/15011Lentivirus, not HIV, e.g. FIV, SIV
    • C12N2740/15041Use of virus, viral particle or viral elements as a vector
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2740/00Reverse transcribing RNA viruses
    • C12N2740/00011Details
    • C12N2740/10011Retroviridae
    • C12N2740/16011Human Immunodeficiency Virus, HIV
    • C12N2740/16041Use of virus, viral particle or viral elements as a vector
    • C12N2740/16043Use of virus, viral particle or viral elements as a vector viral genome or elements thereof as genetic vector

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Immunology (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Cell Biology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Hematology (AREA)
  • Molecular Biology (AREA)
  • Epidemiology (AREA)
  • Biophysics (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Mycology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Plant Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oncology (AREA)
  • Toxicology (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

本发明公开了一种嵌合抗原受体修饰T细胞的改造方法,将SCFV(Anti ROBO1‑FN3)‑ CD8™‑4‑1BB‑CD3ζ分子在T细胞内表达,该方法制备的CART细胞可特异性识别和结合ROBO1蛋白高表达的肿瘤细胞,可以应用于相应肿瘤疾病的预防和治疗。

Description

Anti ROBO1 CAR-T细胞及其制备和应用
技术领域
本发明涉及细胞药物肿瘤治疗领域,特别是涉及一种Anti ROBO1 CAR-T细胞及其制备和应用。
背景技术
人体的T淋巴细胞是通过其表面的T 细胞受体来识别靶细胞的,这一识别具有特异性,即某一个T淋巴细胞只识别具有特定抗原的靶细胞,而且这种特定的抗原是在细胞内加工后,在特殊分子的作用下呈递给T淋巴细胞的。这种起抗原呈递作用的分子或者存在于抗原呈递细胞表面或者存在于靶细胞表面。至少有两方面的因素导致体内的T淋巴细胞不能很好地识别癌细胞:(1)癌细胞下调抗原呈递分子的表达,(2)被呈递的抗原与T细胞受体亲和力很弱。虽然癌症患者体内存在癌细胞高度特异性的T淋巴细胞,但是数量太少起不到治疗癌症的作用。基于这种情况,科学家提出了构建嵌合T细胞受体(现在一般称为嵌合抗原受体)的概念。嵌合抗原受体(Chimeric Antigen Receptor, CAR)主要由两部分构成,一端位于细胞外能够特异性识别癌细胞表面的某一抗原,另一端位于胞内含有信号激活元件(如T细胞受体的Zeta链),起传递信号激活T细胞的作用。这样表达CAR 的T淋巴细胞(CAR-T细胞)就能避免T细胞受体识别靶细胞的限制,从而起到靶向癌细胞的的杀伤作用。
目前,CAR-T治疗的临床试验正在迅速增长,其中大部分是对B细胞恶性肿瘤治疗的评估。大多数B细胞恶性肿瘤和正常B细胞表达CD19抗原,但是其他类型的细胞没有CD19,因此CD19是一个很好的治疗靶点。不同的临床试验所采用的CD19 CAR-T细胞在组成上有一定差别,临床设计上也不一样,不过都报道了显著的效果,复发性或难治性淋巴细胞白血病的治疗能达到60-90%的反应率,一部分患者达到持续的缓解,最长的达到2年。虽然目前还不知道CD19 CAR-T治疗能达到多长时间的持续缓解,但是可以肯定的是这种免疫治疗已经给一些患者带来了以前所达不到的效果。
除了血液系统肿瘤外,研究者们一直在努力将CAR-T治疗扩展到实体瘤。临床试验显示,GD2特异性的 CAR-T对神经母细胞瘤有一定的疗效,而aFR特异性的CAR-T细胞对卵巢癌,CAIX特异性的CAR-T细胞对肾细胞癌和PSMA特异性的CAR-T细胞对前列腺癌没有显示出治疗效果。宾州大学的Carl H June 等在2015年美国临床肿瘤学年会上报告了用间皮素特异性的CAR-T细胞治疗难治的和转移的胰腺导管腺癌的结果,结果显示患者对CAR-T细胞具有很好的耐受性,没有出现细胞因子综合征,周血中能短时期内检测到CART细胞,有2名患者病情得到稳定。 因此,CAR-T治疗实体瘤还处于早期阶段,还有许多问题需要解决。
组织病理学检测显示Robo1在多种癌症中过表达,如肝细胞癌、乳腺癌、结肠癌、胰腺癌、前列腺癌、神经胶质瘤等。Ito等的研究显示Robo1在肝细胞癌中大量表达,而在正常组织中只有少量表达,且84.7%的肝癌组织样本为阳性表达,因此Robo1可以作为一种新的肝细胞肿瘤相关抗原,是一种潜在的治疗和诊断靶标。GRÖNE等的检测结果显示,80%的结肠癌患者的癌组织高度表达Robo1 mRNA,45%的患者是正常组织4倍,15%的患者是正常组织的12倍,因此Robo1可以为结肠癌的治疗提供了一个潜在靶点。通过比较胰腺导管癌和其周围良性组织,He等发现Robo1在癌组织中表达上调,而这种表达上调可能与胰腺癌细胞的淋巴转移相关。 Huang等的研究也表明Robo1与结肠癌的迁移有关。
ROBO1 分子胞外段由IG1-IG5和FN3结构域组成,而FN3结构域距离细胞膜的距离最近,因此以ROBO1分子为靶点,选择FN3区域作为抗原是比较好的选择,以此构建的CAR-T细胞与表达ROBO1分子的肿瘤细胞接触时,距离会被拉的最近,杀伤效果也会更优异,具体结构见图1。
发明内容
本发明主要解决的技术问题是提供一种Anti ROBO1 CAR-T细胞及其制备和应用,是修饰和改造T细胞的方法,使改造后的T细胞能够特异性识别和杀伤肿瘤,该方法制备的T细胞具备更高效的肿瘤杀伤活性。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种以ROBO1 FN3结构域为靶点的CAR-T细胞,所述 CAR-T细胞是在T细胞内表达SCFV- CD8™-4-1BB-CD3ζ融合蛋白。
在本发明一个较佳实施例中,所述CAR-T细胞的制备方法包括步骤为:
(1)合成和扩增SCFV- CD8™-4-1BB-CD3ζ融合蛋白基因,将所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白基因克隆到慢病毒表达载体上;
(2)利用慢病毒包装质粒和步骤(1)得到的慢病毒表达载体质粒感染293T细胞,包装和制备慢病毒;
(3)分离人外周血T淋巴细胞,培养扩增,利用步骤(2)得到的慢病毒感染T淋巴细胞,使所述T淋巴细胞表达SCFV- CD8™-4-1BB-CD3ζ融合蛋白,得到CAR-T细胞。
在本发明一个较佳实施例中,所述T淋巴细胞的表面表达所述SCFV序列的分子,所述T细胞的胞内由所述4-1BB-CD3ζ分子传递T细胞活化信号。
在本发明一个较佳实施例中,所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白中所述SCFV的氨基酸序列为如SEQ ID NO:5所示;所述SCFV CD8™-4-1BB-CD3ζ融合蛋白中所述CD8™的氨基酸序列如SEQ ID NO:1所示。
在本发明一个较佳实施例中,所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白中所述4-1BB的氨基酸序列如SEQ ID NO:2所示;所述SCFV-CD8™-4-1BB-CD3ζ融合蛋白中的所述4-1BB 能替换为CD28,所述CD28的分子序列如SEQ ID NO:3所示。
在本发明一个较佳实施例中,所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白中所述CD3ζ的氨基酸序列如SEQ ID NO:4所示;所述T细胞来源于人外周血T淋巴细胞中。
在本发明一个较佳实施例中,所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白的氨基酸序列如SEQ ID NO:6所示。
在本发明一个较佳实施例中,其特征在于,所述CAR-T细胞在制备治疗肿瘤药物中的应用。
在本发明一个较佳实施例中,所述CAR-T细胞在制备治疗高表达ROBO1分子的肿瘤药物中的应用。
本发明的有益效果是:本发明的Anti ROBO1 CAR-T细胞及其制备和应用,将ROBO1抗体用于CART细胞的构建,并提出以ROBO1分子为靶抗原,利用Anti ROBO1 CART细胞杀伤肿瘤细胞,并作为细胞药物用于肿瘤类疾病的治疗,可以用于ROBO1分子高表达肿瘤的治疗。
附图说明
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的附图,其中:
图1是本发明的ROBO1分子的结构示意图;
图2是本发明的慢病毒质粒载体PRRLSIN-SCFV(anti ROBO1-FN3)图;
图3是本发明的高表达ROBO1的工程细胞株MCF7/ROBO1流式检测结果图;
图4是本发明的CAR-T体外杀伤实验结果图;
图5是本发明的不同效靶比条件下CAR-T细胞体外杀伤效果图。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例一:
慢病毒表达载体制备:
基因合成SCFV(Anti ROBO1-FN3)- CD8-4-1BB-CD3ζ融合基因序列,基因序列如 SEQID NO:7所示,通过酶切转化连接到PRRSLIN载体中,基因上游为EP-1α启动子。载体转化Stbl3大肠杆菌菌株,氨苄青霉素筛选,获得阳性克隆,提取质粒,酶切鉴定克隆,获得PRRLSIN-SCFV(anti ROBO1-FN3)慢病毒转染载体,见图2。
实施例二:
慢病毒制备:
(1)转染前24小时,以每皿约8×106将293T细胞接种至15cm培养皿中。确保转染时细胞在80%左右的汇合度且均匀分布于培养皿中。
(2)准备溶液A和溶液B
溶液A:6.25 ml 2 ×HEPES buffer缓冲液(5个大皿一起包装的量,效果最好)。
溶液B:分以加入以下质粒的混合物:112.5 ug pRRLSIN-EF- ROBO1(targetplasmid);39.5 ug pMD2.G (VSV-G envelop);73 ug pCMVR8.74 (gag, pol, tat, rev);625 μl 2M钙离子溶液。溶液A总体积:6.25ml。
充分混匀溶液B,轻轻涡旋溶液A的同时,逐滴加入溶液A,静置5-15分钟。轻轻涡旋上述A和B的混合溶液,逐滴加入含293T细胞的培养皿中,轻轻前后晃动培养皿使DNA与钙离子的混合物均匀分布。(不要旋转培养皿)放置于培养箱中培养16-18小时。更换新鲜培养基,继续培养,分别在48小时和72小时后收集含病毒的上清液。荧光显微镜观察。95%以上的细胞都应该显示绿色荧光。500g,25℃离心10分钟。PES膜(0.45μm)过滤。以70%乙醇消毒贝克曼库尔特Ultra-clear SW28 centrifuge tubes,并置于紫外灯下消毒30分钟。将已过滤的含慢病毒的上清液转移至离心管中。在离心管底部小心铺上一层20%蔗糖(每8ml上清液加1ml蔗糖)。以PBS平衡离心管,25000rpm (82, 700g),4℃离心2小时。小心取出离心管,倒掉上清液,倒置离心管去掉残余液体。加入100μl PBS,密封离心管,在4℃放置2小时,每20分钟轻轻涡旋一次,500g离心1分钟(25℃),收集病毒上清。冰上冷却后,置于-80℃保存。
实施例三:
Anti ROBO1-FN3-CART细胞制备:
取0.5ml血进行快速的病原微生物检测,排除HBV、HCV、HDV 和HEV、HIV-1/2、梅毒螺旋体及寄生虫等微生物感染;无菌条件下,用肝素瓶采血50ml(肝素抗凝),立即(4℃,24小时内)送至细胞制备实验室,保证此过程无病原微生物污染。得到患者血液后,在GMP制备室,用酒精棉球擦拭肝素瓶表面进行消毒后放入生物安全柜。预先打开2个50ml离心管,将血液转入两个50ml离心管中,旋紧。将上述装好血液的两个50ml离心管放入离心机离心。400 g(2000rpm),10min,室温离心后收集上层血浆,留下沉淀层。收集的自体血浆经56℃、30分钟灭活。4℃放置15分钟后,900g,30min,4℃离心,取上清备用。将上述富集的血细胞用生理盐水稀释至30ml/管,打开2个新的50ml离心管,每个离心管分别加入15ml人淋巴细胞分离液。用移液管把稀释后的血细胞液缓缓加入到盛有人淋巴分离液的离心管中,旋紧。注意血液要加到淋巴分离液的上层,勿打破人淋巴分离液的界面。将加好的血细胞液放入离心机,调至最小的升降速率,400 g(2000rpm),20min,常温离心。收集两管的中层白细胞层于一支15ml无菌离心管中,加入5ml生理盐水,洗两次(400g,10min离心),得外周血单核细胞(PBMC)。配置完全生长培养基,V-VIVO15添加自体AB(FBS)浓度为5%,IL-2浓度为40ng/ml,将分离得到的PBMC用培养基稀释成2×106/ml,取50ul流式检测PBMC中T细胞的纯度。0天,配置buffer1,PBS添加1%的FBS,将beads振荡30s或手动上下摇匀5min,根据beads与T细胞比例3比1的比例取出CD3/CD28 beads置于1.5ml EP管中,添加1mlBuffer1清洗beads,之后使用磁铁从EP管外吸beads 1min,弃洗液,重复两次,再使用培养基将beads重悬到原体积,将细胞和beads混合后按2×106 PBMC/ML加到合适的培养瓶中。第二天将细胞密度调整至3-5×106/ml,按virus vector:cell=1:5比例添加virus vector,同时添加polybrene 4ug/ml和40ng/ml IL-2。4h之后,补加新鲜的完全培养基将细胞密度调整至1×106/ml继续培养。将所有的细胞离心,加入新鲜的培养基,继续培养。每隔2-3天进行半量换液,维持细胞密度在0.5-1×106/ml。10-12天,细胞数量达到109级别,400g,5min离心得免疫细胞,再用预冷的PBS洗涤两遍(400g,5min)。用血球计数板计数,流式细胞仪检测细胞类群,CART细胞比例。每天观察培养基的颜色变化、细胞密度、细胞形态并作相应记录。逐步扩大培养过程中,加入总体积所需的白细胞介素2。
实施例四:
工程细胞株的构建及检测:
(1)用于构建高表达Robo1 FN3工程细胞株慢病毒的制备(具体制备方法见实施例二中的方法);
(2)MCF细胞的侵染:侵染前一天,接种50万个MCF7细胞于6孔板中,待第二天细胞长到80%时,加入包装好的500ul的ROBO1病毒于6孔板中,同时设置对照细胞(不添加病毒),12-16小时后换液,侵染3天后,流式分选Robo1的阳性细胞;
(3)工程细胞株的检测:取分选的Robo1的阳性细胞2万个,400g,5min,再用预冷的PBS洗涤两遍,加入2.5ul的Robo1的抗体(Biolegend)避光孵育20min,离心,再用预冷的PBS洗涤1遍,100ul PBS重悬细胞,上流式检测Robo1的表达(见图3),实验结果证明工程细胞株构建成功,可作为靶细胞用于后续杀伤实验。
实施例五:
Anti ROBO1-FN3-CART 细胞体外活性检测
LDH 释放法检测Anti ROBO1-FN3-CART细胞对工程细胞株MCF-1/ROBO1和高表达Robo1的肝癌细胞系SMCC7721细胞的杀伤效应,ELISA方法检测LDH释放。
(1)用含5%小牛血清的RPMI-1640培养液将靶细胞调整到5×104/ml。
(2)在96孔细胞培养板中加入靶细胞,每孔加100μl。3个效应细胞自然释放对照孔不加靶细胞,只加100μl培养液。
(3)向各孔加100μl效应细胞,效应细胞与靶细胞的比例50:1; 25:1; 10:1; 5:1;1:1。自然释放孔不加效应细胞只加100μl培养液,效应细胞与靶细胞共孵育6小时,每个实验置三个复孔。
(4)最大释放孔中(阳性对照)加10μl Lysis Solution (10×),孵育45min-60min,每个实验置三个复孔。
(5)取上述3和4中待测样品和对照样品各50 ul,加入新鲜的96孔酶标板中,再加入assay buffer和substrate mix,避光30min。
(6)加入50 ul stop solution。
(7)490nm或492nm处测吸光度值,在1小时内测完。
(8)杀伤率=实验组LDH(OD)/Max LDH 释放组(OD)。
(9)计算公式:杀伤效率=(experimental - effector spontaneous - targetspontaneous)/ (target maximum - target spontaneous)×100%。
实验结果显示,制备的Anti ROBO1-FN3-CART细胞能够显著杀伤高表达ROBO1的靶细胞株MCF-7/ROBO1 和SMCC7721,不同比例的ROBO1 CAR-T与target cells 共孵育4小时后,ELISA实验结果显示,随着E:T比例的增加,细胞杀伤效率也逐渐增加(见图5),显微成像显示肿瘤细胞发生明显死亡(图4)。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其它相关的技术领域,均同理包括在本发明的专利保护范围内。
序列表:
CD8™的氨基酸序列SEQ ID NO:1为:
IYIWAPLAGTCGVLLLSLVITLYC。
4-1BB的序列SEQ ID NO:2为:
KRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCEL。
CD28的序列SEQ ID NO:3为:
RSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRS。
CD3ζ的分子序列SEQ ID NO:4为:
RVKFSRSADAPAYKQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPPR。
SCFV(Anti ROBO1-FN3)的序列SEQ ID NO:5为:
IQMTQTTSSLSASLGDRVTISCRASQDISNFLNWYQQKPDGTVKLLIYYTSRLHSGVPSRFSGSGSGTDFSLTISKLEQEDIATYFCQQGNTLPLTFGAGTKLELKGGGGSGGGGSGGGGSLQQSGPELVKPGASVKISCKASGYTFTDYYMNWVKLSHGKSLEWIGDIVPNNGDTTYNQNFRGKATLTVDKSSSTAYMELRSLTSEDSAVYYCARFSNYVYPFDYWGQGTTITVS。
SCFV(Anti ROBO1-FN3)- CD8™-4-1BB-CD3ζ融合蛋白氨基酸的序列SEQ ID NO:6为:
MALPVTALLLPLALLLHAARPIQMTQTTSSLSASLGDRVTISCRASQDISNFLNWYQQKPDGTVKLLIYYTSRLHSGVPSRFSGSGSGTDFSLTISKLEQEDIATYFCQQGNTLPLTFGAGTKLELKGGGGSGGGGSGGGGSLQQSGPELVKPGASVKISCKASGYTFTDYYMNWVKLSHGKSLEWIGDIVPNNGDTTYNQNFRGKATLTVDKSSSTAYMELRSLTSEDSAVYYCARFSNYVYPFDYWGQGTTITVSTTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYIWAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRSADAPAYQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPPR
SCFV(Anti ROBO1-FN3)- CD8™-4-1BB-CD3ζ融合蛋白核苷酸的序列SEQ ID NO:7为:
ATGGCCCTGCCTGTGACAGCCCTGCTGCTGCCTCTGGCTCTGCTGCTGCATGCCGCTAGACCCatccagatgacacagactacatcctccctgtctgcctctctgggagacagagtcaccatcagttgcagggcaagtcaggacattagcaattttttaaactggtatcagcagaaaccagatggaactgttaaactcctgatctactacacatcaagattacattctggagtcccatcaaggttcagtggcagtgggtctggaacagatttttctctcaccattagcaaactggagcaagaagatattgccacttacttttgccaacagggtaatacgcttccacttacgttcggcgctgggacaaagttggaacttaaaGGTGGTGGTGGTTCTGGCGGCGGCGGCTCCGGAGGAGGAGGATCGctgcaacagtctggacctgagttggtgaagcctggggcttcagtgaagatttcctgcaaggcttctggatacacattcactgactactacatgaattgggtgaagcttagccatggaaagagccttgagtggattggagatattgttcctaacaatggtgatactacttacaaccagaatttcagaggcaaggccacattgactgtagacaagtcctccagcacagcctacatggagctccgcagcctgacatctgaggactctgcagtctattactgtgcaagattcagtaattacgtttacccttttgactactggggccaaggcaccactatcacagtctccACCACGACGCCAGCGCCGCGACCACCAACACCGGCGCCCACCATCGCGTCGCAGCCCCTGTCCCTGCGCCCAGAGGCGTGCCGGCCAGCGGCGGGGGGCGCAGTGCACACGAGGGGGCTGGACTTCGCCTGTGATATCTACATCTGGGCGCCCTTGGCCGGGACTTGTGGGGTCCTTCTCCTGTCACTGGTTATCACCCTTTACTGCAAACGGGGCAGAAAGAAACTCCTGTATATATTCAAACAACCATTTATGAGACCAGTACAAACTACTCAAGAGGAAGATGGCTGTAGCTGCCGATTTCCAGAAGAAGAAGAAGGAGGATGTGAACTGAGAGTGAAGTTCAGCAGGAGCGCAGACGCCCCCGCGTACCAGCAGGGCCAGAACCAGCTCTATAACGAGCTCAATCTAGGACGAAGAGAGGAGTACGATGTTTTGGACAAGAGACGTGGCCGGGACCCTGAGATGGGGGGAAAGCCGAGAAGGAAGAACCCTCAGGAAGGCCTGTACAATGAACTGCAGAAAGATAAGATGGCGGAGGCCTACAGTGAGATTGGGATGAAAGGCGAGCGCCGGAGGGGCAAGGGGCACGATGGCCTTTACCAGGGTCTCAGTACAGCCACCAAGGACACCTACGACGCCCTTCACATGCAGGCCCTGCCCCCTCGC。

Claims (9)

1.一种Anti ROBO1 CAR-T细胞,其特征在于,所述 CAR-T细胞是在T细胞内表达SCFV-CD8™-4-1BB-CD3ζ融合蛋白。
2.根据权利要求1所述的Anti ROBO1 CAR-T细胞,其特征在于,所述CAR-T细胞的制备方法包括步骤为:
(1)合成和扩增SCFV- CD8™-4-1BB-CD3ζ融合蛋白基因,将所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白基因克隆到慢病毒表达载体上;
(2)利用慢病毒包装质粒和步骤(1)得到的慢病毒表达载体质粒感染293T细胞,包装和制备慢病毒;
(3)分离人外周血T淋巴细胞,培养扩增,利用步骤(2)得到的慢病毒感染T淋巴细胞,使所述T淋巴细胞表达SCFV- CD8™-4-1BB-CD3ζ融合蛋白,得到CAR-T细胞。
3.根据权利要求1所述的Anti ROBO1 CAR-T细胞,其特征在于,所述T淋巴细胞的表面表达所述SCFV序列的分子,所述T细胞的胞内由所述4-1BB-CD3ζ分子传递T细胞活化信号。
4.根据权利要求1或2所述的Anti ROBO1 CAR-T细胞,其特征在于,所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白中所述SCFV的氨基酸序列为如SEQ ID NO:5所示;所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白中所述CD8™的氨基酸序列如SEQ ID NO:1所示。
5.根据权利要求1或2所述的Anti ROBO1 CAR-T细胞,其特征在于,所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白中所述4-1BB的氨基酸序列如SEQ ID NO:2所示;所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白中的所述4-1BB 能替换为CD28,所述CD28的分子序列如SEQ ID NO:3所示。
6.根据权利要求1或2所述的Anti ROBO1 CAR-T细胞,所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白中所述CD3ζ的氨基酸序列如SEQ ID NO:4所示;所述T细胞来源于人外周血T淋巴细胞中。
7.根据权利要求1或2所述的Anti ROBO1 CAR-T细胞,其特征在于,所述SCFV- CD8™-4-1BB-CD3ζ融合蛋白的氨基酸序列如SEQ ID NO:6所示。
8.根据权利要求1或2所述的Anti ROBO1 CAR-T细胞,其特征在于,所述CAR-T细胞在制备治疗肿瘤药物中的应用。
9.根据权利要求8所述的Anti ROBO1 CAR-T细胞,其特征在于,所述CAR-T细胞在制备治疗高表达ROBO1分子的肿瘤药物中的应用。
CN201610237593.2A 2016-04-18 2016-04-18 Anti ROBO1 CAR-T细胞及其制备和应用 Active CN105907719B (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201610237593.2A CN105907719B (zh) 2016-04-18 2016-04-18 Anti ROBO1 CAR-T细胞及其制备和应用
US16/094,247 US11345893B2 (en) 2016-04-18 2016-07-31 Anti-ROBO1 CAR-T cell, and preparation and application thereof
PCT/CN2016/092577 WO2017181552A1 (zh) 2016-04-18 2016-07-31 Anti ROBO1 CAR-T细胞及其制备和应用
US17/732,581 US20220267731A1 (en) 2016-04-18 2022-04-29 Anti-robo1 car-t cell, and preparation and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610237593.2A CN105907719B (zh) 2016-04-18 2016-04-18 Anti ROBO1 CAR-T细胞及其制备和应用

Publications (2)

Publication Number Publication Date
CN105907719A true CN105907719A (zh) 2016-08-31
CN105907719B CN105907719B (zh) 2019-10-18

Family

ID=56747251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610237593.2A Active CN105907719B (zh) 2016-04-18 2016-04-18 Anti ROBO1 CAR-T细胞及其制备和应用

Country Status (3)

Country Link
US (2) US11345893B2 (zh)
CN (1) CN105907719B (zh)
WO (1) WO2017181552A1 (zh)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107227299A (zh) * 2017-06-01 2017-10-03 刘未斌 Anti MUC1 CAR‑T细胞及其制备方法和应用
CN107987169A (zh) * 2018-01-05 2018-05-04 李华顺 一种以ROBO1为靶点的双特异性抗体scFv及其制备和应用
CN107988164A (zh) * 2016-10-26 2018-05-04 阿思科力(苏州)生物科技有限公司 一种pd-1 car nk-92细胞及其制备方法与应用
WO2018218710A1 (zh) * 2017-06-02 2018-12-06 阿思科力(苏州)生物科技有限公司 一种以robo1为靶点的嵌合抗原受体细胞及其制备和应用
CN109810995A (zh) * 2017-12-06 2019-05-28 阿思科力(苏州)生物科技有限公司 编码car的核苷酸序列、表达该car的robo1 car-nk细胞及其制备和应用
CN110225770A (zh) * 2016-12-14 2019-09-10 杨森生物科技公司 结合cd8a的纤连蛋白iii型结构域
CN110592023A (zh) * 2019-09-11 2019-12-20 浙江蓝盾药业有限公司 一种Anti CD70 CAR-T细胞及其制备方法与应用
CN110734931A (zh) * 2019-11-18 2020-01-31 山东省齐鲁细胞治疗工程技术有限公司 一种靶向CD19的人源化scFv嵌合抗原受体T细胞及制备方法、应用
CN110746509A (zh) * 2019-10-10 2020-02-04 中国人民解放军第四军医大学 一种抗人cd147 car-t细胞、制备方法和应用
CN110885790A (zh) * 2019-10-30 2020-03-17 武汉大学 靶向mmsa-1嵌合抗原受体修饰t淋巴细胞及其制备方法和应用
CN111269925A (zh) * 2019-03-15 2020-06-12 阿思科力(苏州)生物科技有限公司 携带自杀基因的robo1 car-nk细胞及其制备方法和应用
US11345739B2 (en) 2016-12-14 2022-05-31 Janssen Biotech, Inc CD137 binding fibronectin type III domains
US11447539B2 (en) 2016-12-14 2022-09-20 Janssen Biotech, Inc. PD-L1 binding fibronectin type III domains
CN115873133A (zh) * 2023-01-18 2023-03-31 汕头普罗凯融生物医药科技有限公司 一种用于治疗结肠癌的特异性识别抗原robo1的嵌合抗原受体
US11628222B2 (en) 2019-10-14 2023-04-18 Aro Biotherapeutics Company CD71 binding fibronectin type III domains
US11781138B2 (en) 2019-10-14 2023-10-10 Aro Biotherapeutics Company FN3 domain-siRNA conjugates and uses thereof
CN117384290A (zh) * 2023-12-11 2024-01-12 苏州因特药物研发有限公司 人源robo1结合分子及其应用

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113373523B (zh) * 2021-08-02 2022-06-28 中南大学湘雅医院 重症肌无力外周血单细胞转录组文库及制备方法和应用

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015095895A1 (en) * 2013-12-20 2015-06-25 Fred Hutchinson Cancer Research Center Tagged chimeric effector molecules and receptors thereof
CN104788573A (zh) * 2015-05-08 2015-07-22 中国医学科学院血液病医院(血液学研究所) 嵌合抗原受体hCD19scFv-CD8α-CD28-CD3ζ及其用途
CN105331586A (zh) * 2015-11-20 2016-02-17 上海细胞治疗研究院 一种包含高效杀伤启动机制的肿瘤精准t细胞及其用途

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX347078B (es) * 2010-12-09 2017-04-10 Univ Pennsylvania Uso de celulas t modificadas por receptor de antigeno quimerico para tratar cancer.
US20170335281A1 (en) * 2014-03-15 2017-11-23 Novartis Ag Treatment of cancer using chimeric antigen receptor
JP6661544B2 (ja) * 2014-04-24 2020-03-11 ミルテニイ バイオテック ゲゼルシャフト ミット ベシュレンクテル ハフツング 遺伝子改変したt細胞の自動生成法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015095895A1 (en) * 2013-12-20 2015-06-25 Fred Hutchinson Cancer Research Center Tagged chimeric effector molecules and receptors thereof
CN104788573A (zh) * 2015-05-08 2015-07-22 中国医学科学院血液病医院(血液学研究所) 嵌合抗原受体hCD19scFv-CD8α-CD28-CD3ζ及其用途
CN105331586A (zh) * 2015-11-20 2016-02-17 上海细胞治疗研究院 一种包含高效杀伤启动机制的肿瘤精准t细胞及其用途

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107988164B (zh) * 2016-10-26 2020-07-07 阿思科力(苏州)生物科技有限公司 一种pd-1 car nk-92细胞及其制备方法与应用
CN107988164A (zh) * 2016-10-26 2018-05-04 阿思科力(苏州)生物科技有限公司 一种pd-1 car nk-92细胞及其制备方法与应用
US11331345B2 (en) 2016-10-26 2022-05-17 Asclepius (Suzhou) Technology Company Group Co., Ltd. PD-1 CAR NK-92 cell and preparation method and use thereof
US11932680B2 (en) 2016-12-14 2024-03-19 Janssen Biotech, Inc. CD8A-binding fibronectin type III domains
CN110225770A (zh) * 2016-12-14 2019-09-10 杨森生物科技公司 结合cd8a的纤连蛋白iii型结构域
US11447539B2 (en) 2016-12-14 2022-09-20 Janssen Biotech, Inc. PD-L1 binding fibronectin type III domains
US11345739B2 (en) 2016-12-14 2022-05-31 Janssen Biotech, Inc CD137 binding fibronectin type III domains
US11299534B2 (en) 2016-12-14 2022-04-12 Janssen Biotech, Inc. CD8A-binding fibronectin type III domains
CN107227299A (zh) * 2017-06-01 2017-10-03 刘未斌 Anti MUC1 CAR‑T细胞及其制备方法和应用
WO2018218710A1 (zh) * 2017-06-02 2018-12-06 阿思科力(苏州)生物科技有限公司 一种以robo1为靶点的嵌合抗原受体细胞及其制备和应用
CN108977453A (zh) * 2017-06-02 2018-12-11 阿思科力(苏州)生物科技有限公司 一种以robo1为靶点的嵌合抗原受体细胞及其制备和应用
US11697685B2 (en) 2017-06-02 2023-07-11 Asclepius (Suzhou) Technology Company Group Co., Ltd. Chimeric antigen receptor cells targeting ROBO1, preparation method and use thereof
US11738051B2 (en) 2017-12-06 2023-08-29 Asclepius (Suzhou) Technology Company Group Co., Ltd. Nucleotide sequences for encoding CAR, ROBO1 CAR-NK cells of expressing the CAR, and preparation and application thereof
WO2019109838A1 (zh) * 2017-12-06 2019-06-13 李华顺 编码car的核苷酸序列、表达该car的robo1 car-nk细胞及其制备和应用
CN109810995B (zh) * 2017-12-06 2020-10-02 阿思科力(苏州)生物科技有限公司 编码car的核苷酸序列、表达该car的robo1 car-nk细胞及其制备和应用
AU2018378395B2 (en) * 2017-12-06 2022-02-03 Asclepius (Suzhou) Technology Company Group Co., Ltd. Nucleotide sequence encoding car, ROBO1 CAR-NK cell expressing car and preparation therefor and use thereof
CN109810995A (zh) * 2017-12-06 2019-05-28 阿思科力(苏州)生物科技有限公司 编码car的核苷酸序列、表达该car的robo1 car-nk细胞及其制备和应用
CN107987169A (zh) * 2018-01-05 2018-05-04 李华顺 一种以ROBO1为靶点的双特异性抗体scFv及其制备和应用
AU2020243787B2 (en) * 2019-03-15 2023-09-07 Asclepius (Suzhou) Technology Company Group Co., Ltd. ROBO1 CAR-NK cell carrying suicide gene, preparation method therefor and application thereof
CN111269925A (zh) * 2019-03-15 2020-06-12 阿思科力(苏州)生物科技有限公司 携带自杀基因的robo1 car-nk细胞及其制备方法和应用
CN111269925B (zh) * 2019-03-15 2024-01-30 阿思科力(苏州)生物科技有限公司 携带自杀基因的robo1 car-nk细胞及其制备方法和应用
AU2020243787B9 (en) * 2019-03-15 2023-09-28 Asclepius (Suzhou) Technology Company Group Co., Ltd. ROBO1 CAR-NK cell carrying suicide gene, preparation method therefor and application thereof
EP3940076A4 (en) * 2019-03-15 2022-11-16 Asclepius (Suzhou) Technology Company Group Co., Ltd. SUICIDE-GEN-CARRYING ROBO1-CAR-NK CELL, METHOD OF ITS MANUFACTURE AND APPLICATION THEREOF
CN110592023A (zh) * 2019-09-11 2019-12-20 浙江蓝盾药业有限公司 一种Anti CD70 CAR-T细胞及其制备方法与应用
CN110592023B (zh) * 2019-09-11 2020-09-04 浙江蓝盾药业有限公司 一种Anti CD70 CAR-T细胞及其制备方法与应用
CN110746509B (zh) * 2019-10-10 2023-05-02 中国人民解放军第四军医大学 一种抗人cd147 car-t细胞、制备方法和应用
CN110746509A (zh) * 2019-10-10 2020-02-04 中国人民解放军第四军医大学 一种抗人cd147 car-t细胞、制备方法和应用
US11628222B2 (en) 2019-10-14 2023-04-18 Aro Biotherapeutics Company CD71 binding fibronectin type III domains
US11781138B2 (en) 2019-10-14 2023-10-10 Aro Biotherapeutics Company FN3 domain-siRNA conjugates and uses thereof
CN110885790A (zh) * 2019-10-30 2020-03-17 武汉大学 靶向mmsa-1嵌合抗原受体修饰t淋巴细胞及其制备方法和应用
CN110885790B (zh) * 2019-10-30 2021-07-20 武汉大学 靶向mmsa-1嵌合抗原受体修饰t淋巴细胞及其制备方法和应用
CN110734931A (zh) * 2019-11-18 2020-01-31 山东省齐鲁细胞治疗工程技术有限公司 一种靶向CD19的人源化scFv嵌合抗原受体T细胞及制备方法、应用
CN115873133B (zh) * 2023-01-18 2023-09-29 汕头普罗凯融生物医药科技有限公司 一种用于治疗结肠癌的特异性识别抗原robo1的嵌合抗原受体
CN115873133A (zh) * 2023-01-18 2023-03-31 汕头普罗凯融生物医药科技有限公司 一种用于治疗结肠癌的特异性识别抗原robo1的嵌合抗原受体
CN117384290A (zh) * 2023-12-11 2024-01-12 苏州因特药物研发有限公司 人源robo1结合分子及其应用
CN117384290B (zh) * 2023-12-11 2024-04-09 苏州因特药物研发有限公司 人源robo1结合分子及其应用

Also Published As

Publication number Publication date
US11345893B2 (en) 2022-05-31
US20220267731A1 (en) 2022-08-25
WO2017181552A1 (zh) 2017-10-26
CN105907719B (zh) 2019-10-18
US20190127696A1 (en) 2019-05-02

Similar Documents

Publication Publication Date Title
CN105907719A (zh) Anti ROBO1 CAR-T细胞及其制备和应用
CN106399255B (zh) Pd-1 car-t细胞及其制备方法和应用
CN104788573B (zh) 嵌合抗原受体hCD19scFv-CD8α-CD28-CD3ζ及其用途
CN109400713B (zh) 新型嵌合抗原受体修饰的t细胞治疗癌症的用途
CN107868791B (zh) 一种加强型Slit2 CAR-T和CAR-NK细胞制备方法和应用
CN109182266A (zh) 扩大t细胞的方法
CN108752482B (zh) 携带截短或未截短的髓样细胞触发性受体信号结构的嵌合抗原受体及其应用
WO2020187016A1 (zh) 携带自杀基因的robo1 car-nk细胞及其制备方法和应用
WO2018058431A1 (zh) 一种嵌合抗原受体分子及其应用
CN109422815A (zh) 双特异性嵌合抗原受体c-Met/PD-1 scFv-CAR-T及其构建方法和应用
CN109721659A (zh) 一种靶向cd19的新型嵌合抗原受体(car)及其应用
CN107298715B (zh) Slit2D2-嵌合抗原受体及其应用
CN108047333A (zh) 以cd33为靶点的特异性抗体、car-nk细胞及其制备和应用
CN108285486A (zh) 以cd20为靶点的特异性抗体、car-nk细胞及其制备和应用
CN109666651B (zh) 一种分泌型靶向Lewis-Y的CAR-T细胞
CN113045675A (zh) 一种抗cd22蛋白分子的抗体及其应用
CN108314739A (zh) 多信号嵌合抗原受体及其表达基因、其修饰的nk细胞及应用
WO2018058432A1 (zh) 一种多基因重组嵌合抗原受体分子及其应用
CN103013906B (zh) 一种生物膜及其制备方法和应用
CN109970869A (zh) 一种靶向人trail死亡受体的嵌合受体配体及其应用
CN109232742A (zh) 一种嵌合抗原受体及其应用
CN108690829A (zh) 一种高效扩增nk细胞的方法
CN111286512A (zh) 靶向人源化酪氨酸激酶孤儿受体1的嵌合抗原受体及其用途
CN108743617A (zh) miR-15a-5p在提高CAR-T细胞抗肿瘤能力中的应用
CN109055317A (zh) 一种AFP与HBsAg双抗原基因修饰的DC联合CIK免疫细胞及其制备方法和应用

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20190521

Address after: Room A2-427, 218 Xinghu Street, Suzhou Industrial Park, Jiangsu Province

Applicant after: ASCO (Suzhou) Biotechnology Co., Ltd.

Address before: 100000 No. 25 Taiping Road, Haidian District, Beijing

Applicant before: Li Huashun

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210512

Address after: No.129-8, Jiannan Road, Jinniu District, Chengdu, Sichuan 610081

Patentee after: Sichuan asikeli Biotechnology Co.,Ltd.

Address before: Room A2-427, 218 Xinghu Street, Suzhou Industrial Park, Jiangsu Province

Patentee before: ASCLEPIUS (Suzhou) TECHNOLOGY COMPANY GROUP Co.,Ltd.

TR01 Transfer of patent right