JP6345681B2 - 目的タンパク質を分泌する細胞の検出 - Google Patents
目的タンパク質を分泌する細胞の検出 Download PDFInfo
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Description
Claims (37)
- 抗原特異的抗体を産生する細胞を標識化する方法であって、
抗体産生細胞を含む標本を得ることと、
前記抗体産生細胞に特異的な細胞表面マーカに結合するよう構成された第1部分と、目的の抗原に結合するよう構成された第2部分と、を有する架橋試薬で前記抗体産生細胞を標識し、前記架橋試薬を前記抗体産生細胞に結合することと、
前記抗体産生細胞が前記架橋試薬を介して前記目的の抗原に結合されるように、前記抗体産生細胞を前記目的の抗原に曝露することと、
前記抗体産生細胞の一部が前記目的の抗原に結合する前記抗原特異的抗体を産生するように、前記抗体産生細胞に抗体を産生させることと、
前記抗体産生細胞を前記抗原特異的抗体に結合するよう構成された標識化二次抗体に曝露することと、
を備える方法。 - 前記架橋試薬の前記第1部分が、前記抗体産生細胞に特異的な前記細胞表面マーカに結合するよう構成されたFAB断片を備える、請求項1に記載の方法。
- 前記架橋試薬の前記第2部分が、前記目的の抗原に結合するよう構成されたFAB断片を備える、請求項1に記載の方法。
- 前記架橋試薬の前記第2部分が、前記目的の抗原を備える、請求項1に記載の方法。
- 前記抗体産生細胞を前記目的の抗原に曝露することが、前記抗体産生細胞を、基質であって、当該基質に結合された前記目的の抗原を有する基質に曝露することを含む、請求項1に記載の方法。
- 前記基質が、ビーズ、細胞、並びに前記ビーズ及び前記細胞の組み合わせからなる群から選択される、請求項5に記載の方法。
- 前記抗体産生細胞を前記目的の抗原に曝露することが、前記抗体産生細胞を遊離型の前記目的の抗原に曝露することを含む、請求項1に記載の方法。
- 目的タンパク質を産生する細胞を標識化する方法であって、
タンパク質産生細胞を含む細胞標本を得ることと、
前記タンパク質産生細胞に特異的な細胞表面マーカに結合するよう適合された第1部分と、前記目的タンパク質に特異的に結合するタンパク質特異的抗体に結合されるよう構成された第2部分と、を備える架橋試薬で前記タンパク質産生細胞を標識し、前記架橋試薬を前記タンパク質産生細胞に結合することと、
前記タンパク質産生細胞が前記架橋試薬を介して前記タンパク質特異的抗体に結合されるように、前記タンパク質産生細胞を前記タンパク質特異的抗体に曝露することと、
前記目的タンパク質が前記架橋試薬の前記タンパク質特異的抗体に結合するよう、前記タンパク質産生細胞に前記目的タンパク質を産生させることと、
前記タンパク質産生細胞を前記目的タンパク質に結合するよう適合された標識化抗体に曝露することと、
を備える方法。 - 前記架橋試薬の前記第1部分が、前記タンパク質産生細胞に特異的な前記細胞表面マーカに結合するよう構成されたFAB断片を備える、請求項8に記載の方法。
- 前記タンパク質産生細胞を前記タンパク質特異的抗体に曝露する前記ステップが、前記タンパク質産生細胞を、基質であって、当該基質に結合された前記タンパク質特異的抗体を有する基質に曝露することを含む、請求項8に記載の方法。
- 前記架橋試薬が、ビオチン/ストレプトアビジン架橋部を備える、請求項8に記載の方法。
- 標識化二次抗体で標識された細胞を同定することをさらに含む、請求項1に記載の方法。
- 前記架橋試薬が、ビオチン/ストレプトアビジン架橋部を備える、請求項1に記載の方法。
- 前記架橋試薬の第1部分が、前記抗体産生細胞に特異的な細胞表面マーカに結合するよう構成された化学的又は生物学的架橋剤を備え、
前記化学的又は生物学的架橋剤が、FAB断片を備えない、
請求項1に記載の方法。 - 前記抗体産生細胞が前記架橋試薬で標識されている場合、前記抗体産生細胞が目的の抗原に曝露される、請求項4に記載の方法。
- 前記目的の抗原が抗体である、請求項1に記載の方法。
- 前記基質が、ビーズ、細胞、及びそれらの組み合わせからなる群から選択される、請求項10に記載の方法。
- 前記タンパク質産生細胞を前記タンパク質特異的抗体に曝露することが、前記タンパク質産生細胞を遊離型の前記タンパク質特異的抗体に曝露することを含む、請求項8に記載の方法。
- 標識化抗体で標識化された細胞を同定することをさらに含む、請求項8に記載の方法。
- 前記標識化抗体が、抗IgG抗体である、請求項8に記載の方法。
- 前記架橋試薬の第1部分が、前記タンパク質産生細胞に特異的な細胞表面マーカに結合するよう構成された化学的又は生物学的架橋剤を備え、
前記化学的又は生物学的架橋剤が、FAB断片を備えない、
請求項8に記載の方法。 - 目的タンパク質を産生する細胞を標識化する方法であって、
タンパク質産生細胞を含む細胞標本を得ることと、
タンパク質産生細胞に特異的な細胞表面マーカに結合するよう適合された第1部分と、目的の抗原に結合されるよう構成された第2部分と、を備える架橋試薬で、前記タンパク質産生細胞を標識化し、前記架橋試薬を前記タンパク質産生細胞に結合することと、
前記タンパク質産生細胞が架橋試薬を介して前記目的の抗原に連結されるように、前記タンパク質産生細胞を前記目的の抗原に曝露することと、
前記目的タンパク質が前記目的の抗原に結合するよう、前記タンパク質産生細胞が前記目的タンパク質を産生させることと、
前記タンパク質産生細胞を、前記目的タンパク質と結合するよう適合された標識化抗体に曝露することと、
を含む方法。 - 前記架橋試薬の第1部分が、前記タンパク質産生細胞に特異的なマーカに結合するよう構成されたFAB断片を備える、請求項22に記載の方法。
- 前記架橋試薬の第1部分が、前記タンパク質産生細胞に特異的な細胞表面マーカに結合するよう構成された化学的又は生物学的架橋剤を備え、
前記化学的又は生物学的架橋剤が、FAB断片を備えない、
請求項22に記載の方法。 - 前記架橋試薬の第2部分が、前記目的の抗原に結合するよう構成されたFAB断片を備える、請求項22に記載の方法。
- 前記架橋試薬の第2部分が、前記目的の抗原を備える、請求項22に記載の方法。
- 前記目的の抗原が抗体である、請求項22に記載の方法。
- 前記タンパク質産生細胞を前記目的の抗原に曝露することが、前記タンパク質産生細胞を遊離型の前記目的の抗原に曝露することを含む、請求項22に記載の方法。
- 前記タンパク質産生細胞を前記目的の抗原に曝露することが、前記タンパク質産生細胞を、基質であって当該基質に結合された前記目的の抗原を有する基質に曝露することを含む、請求項22に記載の方法。
- 前記架橋試薬が、ビオチン/ストレプトアビジン結合を備える、請求項29に記載の方法。
- 前記基質が、ビーズ、細胞、及びそれらの組み合わせからなる群から選択される、請求項29に記載の方法。
- 前記標識化抗体で標識化された細胞を同定することをさらに含む、請求項22に記載の方法。
- 前記標識化された抗体が、抗IgG抗体である、請求項22に記載の方法。
- 前記抗体産生細胞が形質細胞である、請求項1に記載の方法。
- 前記細胞表面マーカが、CD138、CD38、CD78又はインターロイキン−6受容体である、請求項34に記載の方法。
- 前記タンパク質産生細胞が形質細胞である、請求項8又は22に記載の方法。
- 前記細胞表面マーカが、CD138、CD38、CD78又はインターロイキン−6受容体である、請求項36に記載の方法。
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