JP6899333B2 - 汎用キラーt細胞 - Google Patents
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Description
(a)CD3を発現するように改変された非免疫原性のNK細胞を提供し;
(b)治療される被験体のMHC型を決定し;
(c)例えば被験体内のがんのタイプおよび/または特定のがんマーカー(抗原など)の発現や特定の変異の有無等を特定または決定することにより、被験体の細胞によって発現または提示されている被験体内の標的抗原を特定し;
(d)標的抗原に対して特異性を有し、且つ被験体のMHC型に適合するTcRを発現するように、工程(a)の細胞を改変する。
a)非免疫原性であるNK細胞を提供すること、より具体的にはNK細胞を非免疫原性に改変し;および
b)CD3を発現するように前記細胞を改変する。
前記方法は以下の工程を含む:
a)例えばNK細胞を非免疫原性に改変するなど、非免疫原性であるNK細胞を提供し;
b)CD3を発現するように前記細胞を改変し;
c)がん特異的TcRを発現するように前記細胞を改変する。
(a)非免疫原性であり且つCD3を発現する改変汎用NK細胞、より具体的には非免疫原性となるように且つCD3を発現するように改変されたNK細胞;および
(b)それぞれのTcRが様々な抗原特異性および/または様々なMHC特異性を有する、TcRをコードする核酸分子のパネル。
a)NK細胞をCD3を発現するように改変する;
b)前記標的細胞のMHCプロファイルおよび前記標的細胞により提示された抗原の同一性を決定する;
c)それぞれのTcRが様々な抗原および/またはMHC型に対して特異性を有するパネルから選択されたTcRであって、MHCおよび前記標的細胞に提示された抗原に対して特異性を有するTcRを発現するような前記NK細胞を改変する。
NK92細胞におけるCD3の発現
CD3をNK92細胞にトランスフェクションするためにコドン最適化pMP71−CD3ζ−CD3ε−CD3γ−CD3δ−IRES−GFP(CD3−GFP)ベクター(Ahmadi et al. 2011. Blood 118, 3528-3573)を用い、細胞レトロウィルス導入を用いるてトランスフェクトした。CD3−GFPコンストラクトを担持したレトロウイルスはパッケージング細胞株(Hek−Phoenix)により産生され、およびNK細胞はスピノキュレーション(spinoculation)(0.3Mの細胞ウイルス上清と共にインキュベートし、レトロネクチン(登録商標)(Tanaka Biotech)でコーティングしたプレート上で32℃で1時間、900×gでスピンダウンした)を行った。形質導入が成功したことを示すためのマーカーとしてはGFPを用いた。
NK−92(CD3)細胞におけるTcRの発現
NK−92(CD3)細胞におけるCD3およびTcRの共発現の能力を評価した。細胞表面を標的にするために、CD3およびTcRはそれぞれ、TcR複合体の他のメンバーの共発現を必要とする。したがって、NK細胞の表面上におえるCD3の発現を、CD3およびTcRの両方が共発現できたことへのマーカーとして用いることができる。
TcR発現NK−92(CD3)は機能を有する
NK細胞に発現したTcRの機能を確かめるために、NK細胞に発現したTcRが標的細胞を特異的に認識できるかどうかを確認した。
TcR発現NK−92(CD3)細胞の関連ペプチドをロードしたT2細胞による活性化
NK−92(CD3)細胞をRadium−1またはDMF−5TcRのいずれかを発現するように改変し、細胞表面のCD3の発現は、APC−標識抗CD3抗体を用いて検出した。脱顆粒解析のためにCD3+細胞を選択して(図5、上のパネル)ソートした。
NK−92(CD3)細胞におけるTcR/CD3介在性シグナル伝達
Radium−1 TcRをトランスフェクションしたNK−92(CD3)細胞について、それらのシグナル伝達能を調べるためにPhospho−フローサイトメトリーを用いて評価を行った。最初に、TCRを通じて活性化を刺激する、抗CD3抗体および抗CD28抗体で細胞を刺激することにより、通常のTCR複合体のシグナル伝達能力を解析した。図7に示すように、TcRおよびCD3がクラスター化することで、T細胞において観察されたのと同じようにシグナル伝達カスケードを活性化した。これはいくつかのZAP−70、SLP−76andCD3ζなどのTcR/CD3−関連タンパク質のリン酸化レベルの増加により示されている。
CD4 + T細胞由来のTcRによるNK−92(CD3)細胞の刺激
NK−92(CD3)細胞に、CD4+T細胞由来のTcRであるRadium5およびRadium6を形質導入した。これらのTcRはMHCクラスIIペプチド標的に対して細胞を特異的に再指向することができた。Radium−5およびRadium−6のいずれも特異的にTGFbRIIフレームシフト変異ペプチド(KSLVRLSSCVPVALMSAMT)を標的とする;Radium−5はHLA−DR7の存在下で、Radium−6はHLA−DR4で、このペプチドを特異的に標的にする。NK−92(CD3)−Radium5/6細胞における刺激のキネティックスは図9に示す。上記実施例4と同様にNK−92(CD3)細胞刺激を測定した。それぞれのTcRのEC50値を図9に示すように算出した。HLA−DR7ハプロタイプの患者の試料におけるRadium−5のEC50は19μMと算出された;ある患者におけるRadium6のEC50は4μMであり、次の患者は0.4μMと算出された。いずれの患者試料もBHLA−DR4ハプロタイプであった。
CD3/CD3−TcR発現の有無におけるNK−92タンパク質の発現の解析
NK−92細胞のタンパク質発現プロファイルを、NK92(CD3/CD3−TcR)細胞と比較した。2つの細胞集団の間に違いは見られなかった(言うまでもなくNK−92(CD3/CD3−TcR)細胞にCD3が存在していることを除く。比較したものを以下の表に示す(PBMC=末梢血単核細胞)。
Claims (19)
- 改変初代NK細胞であって、
前記NK細胞がCD3鎖(CD3γ鎖、CD3δ鎖、CD3ε鎖、およびCD3ζ鎖)およびTCRを発現し、
前記CD3鎖および前記TCRが、前記NK細胞の表面に局在している機能的なCD3−TcR複合体を形成している、
改変初代NK細胞。 - 前記TcRがCD8および/またはCD4に依存しない、請求項1の細胞。
- 前記細胞が非免疫原性であるように改変されている、請求項1または2の細胞。
- 前記細胞が汎用的な非免疫原性であるように改変された、請求項3の細胞。
- 前記細胞が、HLAネガティブであるヒトの細胞である、請求項1〜4のいずれか一項の細胞。
- 前記細胞が、β2ミクログロブリンの発現を抑制または阻害するように改変されている、請求項1〜5のいずれか一項の細胞。
- 前記細胞が、照射を受けている、請求項1〜6のいずれか一項の細胞。
- 前記TcRががん細胞上のまたは感染細胞上の抗原に特異的である、請求項1〜7のいずれか一項の細胞。
- ヒト被験体の治療における養子細胞移入療法において使用するための医薬の製造における、請求項1に記載の改変初代NK細胞の使用。
- 前記療法ががんの治療である、請求項9の使用。
- 前記療法が感染のためである、請求項9の使用。
- 前記TcRが、NK細胞の投与により治療される前記被験体内の標的細胞により発現される抗原及び前記被験体のMHC型の両方に特異的である、請求項9〜11のいずれか一項の使用。
- 請求項1〜8のいずれか一項の細胞、および少なくとも1つの薬学的に許容される、担体または賦形剤を含む、治療用組成物。
- ヒト被験体の治療における養子細胞移入療法での使用のための治療用組成物であって、
i)請求項1に記載の改変初代NK細胞、および
ii)少なくとも1つの薬学的に許容される担体または賦形剤
を含む、治療用組成物。 - 治療用途のための、改変NK細胞を調製するための方法であって、
(a)CD3鎖(CD3γ鎖、CD3δ鎖、CD3ε鎖、およびCD3ζ鎖)を発現する初代NK細胞を提供し;
(b)処理を行うヒト被験体のMHC型を決定し;
(c)前記被験体内の細胞によって発現または提示される抗原である、前記被験体内の標的抗原を特定し;
(d)前記標的抗原に対する特異性を有するTcRを発現させるために工程(a)の細胞を改変し、
前記被験体のMHC型と適合させる、
方法。 - 前記TcRががん抗原に特異的である、請求項15の方法。
- 養子細胞移入療法に使用するためのキットであって、
(a)CD3鎖(CD3γ鎖、CD3δ鎖、CD3ε鎖、およびCD3ζ鎖)を発現する初代NK細胞;および
(b)それぞれがTcRをコードする核酸分子のパネルであって、前記TcRが異なる抗原特異性および/または異なるMHC特異性を有するパネル、
を含むキット。 - 前記核酸分子がベクターに含まれる、請求項17の養子細胞移入療法に使用するためのキット。
- 前記ベクターがウイルスベクターである、請求項18の養子細胞移入療法に使用するためのキット。
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GB201501175D0 (en) * | 2015-01-23 | 2015-03-11 | Univ Oslo Hf | A universal T-cell for personalised medicine |
BR112017024757A2 (pt) | 2015-05-18 | 2018-11-13 | TCR2 Therapeutics Inc. | composições e métodos para reprogramação de tcr utilizando proteínas de fusão |
EP3452580B1 (en) * | 2016-05-02 | 2023-08-16 | Cerus Corporation | Compositions and methods for improved nk cell therapies |
CN109715668A (zh) | 2016-08-02 | 2019-05-03 | T细胞受体治疗公司 | 用于使用融合蛋白进行tcr重编程的组合物和方法 |
IL302917A (en) | 2016-10-07 | 2023-07-01 | Tcr2 Therapeutics Inc | Preparations and methods for reprogramming T-cell receptors using fusion proteins |
US11851491B2 (en) | 2016-11-22 | 2023-12-26 | TCR2 Therapeutics Inc. | Compositions and methods for TCR reprogramming using fusion proteins |
US20190358263A1 (en) | 2016-12-07 | 2019-11-28 | Oslo Universitetssykehus Hf | Compositions and Methods for Cell Therapy |
US11752172B2 (en) * | 2017-01-04 | 2023-09-12 | Nova Southeastern University | Natural killer (NK) cells expressing an antigen-specific functional T cell receptor (TCR) complex, methods for production thereof, and methods for therapeutic use thereof |
GB201803178D0 (en) | 2018-02-27 | 2018-04-11 | Univ Oslo Hf | Specific binding molecules for htert |
CA3110946A1 (en) * | 2018-08-31 | 2020-03-05 | Invectys SA | Method to assess car functionality |
EP3941490A4 (en) * | 2019-03-20 | 2023-01-04 | 2seventy bio, Inc. | ADOPTIVE CELL THERAPY |
JP6977969B2 (ja) * | 2019-03-22 | 2021-12-08 | 株式会社ガイアバイオメディシン | 免疫細胞提供システム |
EP3750547A1 (en) | 2019-06-13 | 2020-12-16 | Universitätsmedizin der Johannes Gutenberg-Universität Mainz | Modified nk-92 cells, and therapeutic and diagnostic uses thereof |
US12084685B2 (en) | 2019-07-29 | 2024-09-10 | Massaachusetts Institute Of Technology | Synthetic hydrogels for organogenesis |
CN111662871A (zh) * | 2020-06-11 | 2020-09-15 | 福建医科大学孟超肝胆医院(福州市传染病医院) | 一种核酸适体功能化nk细胞及其制备与应用 |
US20230340065A1 (en) | 2020-09-24 | 2023-10-26 | Medigene Immunotherapies Gmbh | Prame specific t-cell receptors and uses thereof |
TW202233831A (zh) * | 2020-11-03 | 2022-09-01 | 中國大陸商杭州啟函生物科技有限公司 | 增強免疫療法的系統和方法 |
GB202017873D0 (en) | 2020-11-12 | 2020-12-30 | Olso Unversitetssykehus Hf | Method of determining DLBCL prognosis |
WO2022250312A1 (ko) * | 2021-05-27 | 2022-12-01 | (주)에스엠티바이오 | 신경내분비종양의 치료용 자연살해세포 |
CN118215498A (zh) | 2021-09-21 | 2024-06-18 | 奥斯陆大学医院Hf | 末端脱氧核苷酸转移酶(TdT)的结合蛋白 |
TW202325844A (zh) * | 2021-11-03 | 2023-07-01 | 中國大陸商杭州啟函生物科技有限公司 | 增強免疫療法的系統和方法 |
WO2024020537A2 (en) * | 2022-07-22 | 2024-01-25 | Board Of Regents, The University Of Texas System | Cd3-expressing natural killer cells with enhanced function for adoptive immunotherapy |
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EP1690927A1 (en) | 1997-04-30 | 2006-08-16 | Hans Klingemann | Natural killer cell lines and methods of use |
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AU2005302291B2 (en) * | 2004-11-02 | 2011-02-10 | The Government Of The United States Of America As Represented By The Secretary Department Of Health & Human Services | Compositions and methods for treating hyperproliferative disorders |
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SG11201505858VA (en) | 2013-01-28 | 2015-09-29 | St Jude Childrens Res Hospital | A chimeric receptor with nkg2d specificity for use in cell therapy against cancer and infectious disease |
JP2016511636A (ja) | 2013-02-04 | 2016-04-21 | ロジャー ウィリアムズ メディカル センターRoger Williams Medical Center | 消化管間質腫瘍(gist)を治療する方法及び組成物 |
JP6425301B2 (ja) * | 2014-05-29 | 2018-11-21 | 国立大学法人富山大学 | Tcrの細胞傷害活性誘導能を評価するためのnk細胞株、およびその作製方法 |
JP2017525385A (ja) | 2014-06-18 | 2017-09-07 | ケモテラペウティシェス フォルシュングインスティトゥート ゲオルグ−シュパイヤー−ハウス | 細胞治療物質としてのcar発現nk−92細胞 |
US20170274014A1 (en) * | 2014-07-21 | 2017-09-28 | Jennifer Brogdon | Combinations of low, immune enhancing, doses of mtor inhibitors and cars |
GB201501175D0 (en) * | 2015-01-23 | 2015-03-11 | Univ Oslo Hf | A universal T-cell for personalised medicine |
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EP3247791A1 (en) | 2017-11-29 |
BR112017015631A2 (pt) | 2018-03-13 |
IL253464B (en) | 2022-04-01 |
PT3247791T (pt) | 2022-07-20 |
AU2016208475A1 (en) | 2017-08-03 |
JP2018512047A (ja) | 2018-05-10 |
IL253464A0 (en) | 2017-09-28 |
CN107250351A (zh) | 2017-10-13 |
KR20170121178A (ko) | 2017-11-01 |
EP3247791B1 (en) | 2022-05-04 |
KR102479118B1 (ko) | 2022-12-16 |
AU2022200126A1 (en) | 2022-02-10 |
WO2016116601A1 (en) | 2016-07-28 |
NZ733855A (en) | 2023-10-27 |
EA201791381A1 (ru) | 2018-02-28 |
CA2973924A1 (en) | 2016-07-28 |
GB201501175D0 (en) | 2015-03-11 |
ES2922231T3 (es) | 2022-09-12 |
US20220127574A1 (en) | 2022-04-28 |
PL3247791T3 (pl) | 2022-09-05 |
US11155786B2 (en) | 2021-10-26 |
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