JP2016507247A - ヒト化主要組織適合性遺伝子複合体を発現するマウス - Google Patents
ヒト化主要組織適合性遺伝子複合体を発現するマウス Download PDFInfo
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Abstract
Description
本出願は、2013年2月22日に出願された米国仮特許出願第61/767,811号に対する利益を、35 U.S.C. §119(e)の下に主張し、この出願はその全体が参考として本明細書に援用される。
本明細書では、2014年2月20日に「2010794−0424_ST25」という名称のascii.txtファイルとして電子形式で提出された配列表に言及する。この.txtファイルは、2014年2月20日に作成されたものであり、サイズは8kbである。
本発明は、ヒトまたはヒト化MHC Iタンパク質とヒトまたはヒト化MHC IIタンパク質の両方を発現する遺伝子改変非ヒト動物(例えばマウス、ラット、ウサギなど);当該タンパク質を含む胚、細胞、および組織;それらを作出する方法;ならびにそれらの使用方法を提供する。別段の定義のない限り、本明細書で使用される全ての用語および句は、それに反することが明示されているまたはその用語もしくは句が使用される文脈から明らかである場合を除き、その用語および句が当技術分野において得ている意味を包含する。
種々の実施形態では、本発明は、一般に、ゲノム内にヒトまたはヒト化MHC IおよびMHC IIポリペプチドをコードするヌクレオチド配列を含み、したがって、ヒトまたはヒト化MHC IおよびMHC IIポリペプチドを発現する遺伝子改変非ヒト動物を提供する。
(実施例1)
キメラヒト/マウスMHC II遺伝子座の工学的操作およびキメラMHC IIマウスの作製
(実施例1.1)
内在性MHCクラスII H−2AおよびH−2E遺伝子座の欠失
(実施例1.2)
ヒト化H−2Eb1およびH−2Ea遺伝子を含む大きなターゲティングベクター(LTVEC)の作製
(実施例1.3)
ヒト化MHC IIマウスの作製
(実施例2)
キメラヒト/マウスMHC I遺伝子座の工学的操作およびキメラMHC Iマウスの作製
(実施例3)
キメラMHC I遺伝子およびMHC II遺伝子を含むマウスの作製および特徴付け
(実施例3.1)
キメラMHC IおよびII遺伝子を含むマウスの作製
(実施例3.2)
キメラMHC IおよびII遺伝子を含むマウスの特徴付け
均等物
Claims (30)
- 内在性MHC遺伝子座に、
キメラヒト/非ヒトMHC Iポリペプチドをコードする第1のヌクレオチド配列であって、該キメラMHC Iポリペプチドのヒト部分がヒトMHC Iポリペプチドの細胞外ドメインを含む第1のヌクレオチド配列、
キメラヒト/非ヒトMHC IIαポリペプチドをコードする第2のヌクレオチド配列であって、該キメラヒト/非ヒトMHC IIαポリペプチドのヒト部分がヒトMHC IIαポリペプチドの細胞外ドメインを含む第2のヌクレオチド配列、および
キメラヒト/非ヒトMHC IIβポリペプチドをコードする第3のヌクレオチド配列であって、該キメラヒト/非ヒトMHC IIβポリペプチドのヒト部分がヒトMHC IIβポリペプチドの細胞外ドメインを含む第3のヌクレオチド配列
を含む非ヒト動物であって、
内在性非ヒトMHC遺伝子座からキメラヒト/非ヒトMHC Iタンパク質およびMHC IIタンパク質を発現する非ヒト動物。 - 前記内在性非ヒトMHC遺伝子座から機能的な内在性MHC I、IIα、および/またはIIβポリペプチドを発現しない、請求項1に記載の動物。
- 前記第1のヌクレオチド配列が内在性非ヒトMHC I遺伝子座に位置し、前記第2のヌクレオチド配列が内在性非ヒトMHC IIα遺伝子座に位置し、前記第3のヌクレオチド配列が内在性非ヒトMHC IIβ遺伝子座に位置する、請求項1に記載の動物。
- 前記第1のヌクレオチド配列、第2のヌクレオチド配列および/または第3のヌクレオチド配列が内在性非ヒト調節エレメントに作動可能に連結している、請求項1に記載の動物。
- 前記キメラMHC Iポリペプチドの前記ヒト部分が、前記ヒトMHC Iポリペプチドのα1ドメイン、α2ドメイン、およびα3ドメインを含む、請求項1に記載の動物。
- 前記キメラMHC Iポリペプチドの非ヒト部分が、内在性非ヒトMHC Iポリペプチドの膜貫通ドメインおよび細胞質ドメインを含む、請求項1に記載の動物。
- 前記ヒトMHC Iポリペプチドが、HLA−A、HLA−B、およびHLA−Cからなる群から選択される、請求項1に記載の動物。
- 内在性非ヒトβ2ミクログロブリン遺伝子座にヒトまたはヒト化β2ミクログロブリンポリペプチドをコードするヌクレオチド配列をさらに含み、該ヒトまたはヒト化β2ミクログロブリンポリペプチドを発現する、請求項1に記載の動物。
- 前記ヒトMHC IIα細胞外ドメインが、ヒトMHC IIα1およびα2ドメインを含む、請求項1に記載の動物。
- 前記ヒトMHC IIβ細胞外ドメインが、ヒトMHC IIβ1およびβ2ドメインを含む、請求項1に記載の動物。
- 前記第1のヌクレオチド配列が内在性非ヒトMHC Iプロモーターおよび調節エレメントに作動可能に連結しており、前記第2のヌクレオチド配列が内在性非ヒトMHC IIαプロモーターおよび調節エレメントに作動可能に連結しており、前記第3のヌクレオチド配列が内在性非ヒトMHC IIβプロモーターおよび調節エレメントに作動可能に連結している、請求項1に記載の動物。
- 前記キメラヒト/非ヒトMHC IIαポリペプチドの非ヒト部分が、内在性非ヒトMHC IIαポリペプチドの膜貫通ドメインおよび細胞質ドメインを含む、請求項1に記載の動物。
- 前記キメラヒト/非ヒトMHC IIβポリペプチドの非ヒト部分が、内在性非ヒトMHC IIβポリペプチドの膜貫通ドメインおよび細胞質ドメインを含む、請求項1に記載の動物。
- 前記キメラヒト/マウスMHC IIαおよびβポリペプチドの前記ヒト部分が、HLA−DR、HLA−DQ、およびHLA−DPからなる群から選択されるヒトHLAクラスIIタンパク質に由来する、請求項1に記載の動物。
- 前記キメラヒト/非ヒトMHC IIαおよびβポリペプチドの前記ヒト部分が、ヒトHLA−DRタンパク質に由来する、請求項14に記載の動物。
- げっ歯類である、請求項1に記載の動物。
- マウスまたはラットである、請求項16に記載のげっ歯類。
- マウスである、請求項17に記載のげっ歯類。
- 前記第1のヌクレオチド配列がキメラヒト/マウスMHC Iポリペプチドをコードし、該キメラMHC Iポリペプチドのマウス部分がH−2K、H−2D、またはH−2Lに由来する、請求項18に記載のマウス。
- 前記キメラMHC Iポリペプチドの前記マウス部分がH−2Kに由来する、請求項19に記載のマウス。
- 前記第2のヌクレオチド配列がキメラヒト/マウスMHC IIαポリペプチドをコードし、前記第3のヌクレオチド配列がキメラヒト/マウスMHC IIβポリペプチドをコードし、該キメラMHC IIαおよびβポリペプチドのマウス部分がH−2EまたはH−2Aに由来する、請求項18に記載のマウス。
- 前記キメラMHC IIポリペプチドの前記マウス部分がH−2Eに由来する、請求項21に記載のマウス。
- 内在性MHC遺伝子座に、
キメラヒト/マウスMHC Iポリペプチドをコードする第1のヌクレオチド配列であって、該キメラMHC Iポリペプチドのヒト部分が、ヒトMHC Iポリペプチドの細胞外ドメインを含む第1のヌクレオチド配列、
キメラヒト/マウスMHC IIαポリペプチドをコードする第2のヌクレオチド配列であって、該キメラヒト/非ヒトMHC IIαポリペプチドのヒト部分が、ヒトMHC IIαポリペプチドの細胞外ドメインを含む第2のヌクレオチド配列、および
キメラヒト/マウスMHC IIβポリペプチドをコードする第3のヌクレオチド配列であって、該キメラヒト/非ヒトMHC IIβポリペプチドのヒト部分が、ヒトMHC IIβポリペプチドの細胞外ドメインを含む第3のヌクレオチド配列
を含むマウスであって、
内在性マウスMHC遺伝子座からキメラヒト/マウスMHC IおよびMHC IIタンパク質を発現するマウス。 - 前記第1のヌクレオチド配列がキメラHLA−A/H−2Kポリペプチドをコードし、前記第2のヌクレオチド配列がキメラHLA−DR/H−2Eポリペプチドのα鎖をコードし、前記第3のヌクレオチド配列がキメラHLA−DR/H−2Eポリペプチドのβ鎖をコードし、前記マウスがHLA−A/H−2KおよびHLA−DR/H−2Eタンパク質を発現する、請求項24に記載のマウス。
- 内在性β2ミクログロブリン遺伝子座に、ヒトまたはヒト化β2ミクログロブリンポリペプチドをコードするヌクレオチド配列をさらに含む、請求項24に記載のマウス。
- 内在性MHC遺伝子座から機能的な内在性MHCポリペプチドを発現しない、請求項24に記載のマウス。
- 遺伝子改変非ヒト動物を作製する方法であって、
第1の非ヒト動物を作製するために、内在性非ヒトMHC II遺伝子座において、非ヒトMHC II複合体をコードするヌクレオチド配列をキメラヒト/非ヒトMHC II複合体をコードするヌクレオチド配列で置き換えるステップ、および
第2の非ヒト動物を作製するために、内在性非ヒトMHC I遺伝子座において、非ヒトMHC Iポリペプチドをコードするヌクレオチド配列をキメラヒト/非ヒトMHC Iポリペプチドをコードするヌクレオチド配列で置き換えるステップ
を含む方法。 - ヌクレオチド配列を置き換える前記ステップが、非ヒトES細胞における相同組換えを含み、キメラヒト/非ヒトMHC II複合体をコードするヌクレオチド配列を担持するES細胞における相同組換えによって第2の非ヒト動物が作製される、請求項27に記載の方法。
- ヌクレオチド配列を置き換える前記ステップが、非ヒトES細胞における相同組換えを含み、キメラヒト/非ヒトMHC Iポリペプチドをコードするヌクレオチド配列を担持するES細胞における相同組換えによって第1の非ヒト動物が作製される、請求項27に記載の方法。
- 前記動物がマウスである、請求項27に記載の方法。
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| US201361767811P | 2013-02-22 | 2013-02-22 | |
| US61/767,811 | 2013-02-22 | ||
| PCT/US2014/017387 WO2014130667A1 (en) | 2013-02-22 | 2014-02-20 | Mice expressing humanized major histocompatibility complex |
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| JP2018513683A (ja) * | 2015-04-06 | 2018-05-31 | リジェネロン・ファーマシューティカルズ・インコーポレイテッドRegeneron Pharmaceuticals, Inc. | 非ヒト動物におけるヒト化t細胞媒介性免疫応答 |
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| US9043996B2 (en) | 2011-10-28 | 2015-06-02 | Regeneron Pharmaceuticals, Inc. | Genetically modified major histocompatibility complex animals |
| US9591835B2 (en) | 2011-10-28 | 2017-03-14 | Regeneron Pharmaceuticals, Inc. | Genetically modified major histocompatibility complex animals |
| SI2770821T1 (en) | 2011-10-28 | 2018-01-31 | Regeneron Pharmaceuticals, Inc. | Genetically modified major histocompatibility complex of mice |
| DK3590332T3 (da) | 2011-10-28 | 2022-05-23 | Regeneron Pharma | Genmodificerede mus, der eksprimerer kimære major histokompatibilitetskompleks (MHC) II-molekyler |
| KR102714111B1 (ko) | 2013-02-20 | 2024-10-11 | 리제너론 파아마슈티컬스, 인크. | 사람화된 t-세포 보조-수용체를 발현하는 마우스 |
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