JP7011856B2 - 膵芽細胞の製造方法および膵芽細胞を含む膵疾患治療剤 - Google Patents
膵芽細胞の製造方法および膵芽細胞を含む膵疾患治療剤 Download PDFInfo
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Description
他の態様において、膵臓疾患治療剤、並びに膵臓疾患治療方法を提供することを目的とする。
[1] PDX1陽性NKX6.1陰性細胞を、KGF、EGFおよびBMP阻害剤を含む培地で培養する工程を含む、膵芽細胞の製造方法。
[2] 前記培地が、さらにROCK阻害剤または非筋ミオシンII阻害剤を含む培地である、[1]に記載の方法。
[3] 前記ROCK阻害剤または非筋ミオシンII阻害剤が、Y-27632、Fasudil、SR3677、GSK269962、H-1152およびBlebbistatinから成る群より選択されるいずれか一つの化合物である、[2]に記載の方法。
[4] 前記培養が、接着培養条件下で行われる、[2]または[3]のいずれか1項に記載の方法。
[5] 前記培養が、細胞凝集塊の生成される条件下で行われる、[1]に記載の方法。
[6] 前記PDX1陽性NKX6.1陰性細胞が、次の2つの工程を含む方法で多能性幹細胞より製造された細胞である、[1]から[5]のいずれか1項に記載の方法:
(1)多能性幹細胞を、アクチビンを含む培地で培養する工程、および
(2)工程(1)で得られた細胞を、KGFを含む培地で培養する工程。
[7] 前記工程(1)において、アクチビンを含む培地がさらにGSK3阻害剤を含む、[6]に記載の方法。
[8] 前記工程(2)において、KGFを含む培地がさらにBMP阻害剤、レチノイン酸誘導体およびヘッジホッグ経路阻害剤を含む、[6]または[7]のいずれか1項に記載の方法。
[9] 前記BMP阻害剤が、Nogginである、[1]から[8]のいずれか1項に記載の方法。
[10] 前記GSK3阻害剤が、CHIR99021である、[7]から[9]のいずれか1項に記載の方法。
[11] 前記レチノイン酸誘導体が、TTNPBである、[8]から[10]のいずれか1項に記載の方法。
[12] 前記ヘッジホッグ経路阻害剤が、KAAD‐シクロパミンである、[8]から[11]のいずれか1項に記載の方法。
[13] 前記膵芽細胞がPDX1陽性およびNKX6.1陽性である[1]から[12]のいずれか1項に記載の方法。
[14] 前記膵芽細胞が、ヒト細胞である、[1]から[13]のいずれか1項に記載の方法。
[15] 以下の工程(i)から(iii)を含む、多能性幹細胞から膵芽細胞を製造する方法:
(i)多能性幹細胞を、アクチビンを含む培地で培養する工程、
(ii)工程(i)で得られた細胞を、KGFを含む培地で培養する工程、
(iii)工程(ii)で得られた細胞を、単一細胞へ分離し、KGF、EGFおよびBMP阻害剤を含む培地で培養する工程。
[16] 前記工程(iii)で用いるKGF、EGFおよびBMP阻害剤を含む培地が、さらにROCK阻害剤または非筋ミオシンII阻害剤を含む培地である、[15]に記載の方法。
[17] 前記ROCK阻害剤または非筋ミオシンII阻害剤が、Y-27632、Fasudil、SR3677、GSK269962、H-1152およびBlebbistatinから成る群より選択されるいずれか一つの化合物である、[16]に記載の方法。
[18] 前記工程(iii)が、単一細胞へ分離し、KGF、BMP阻害剤、レチノイン酸誘導体およびヘッジホッグ経路阻害剤を含む培地で培養後、KGF、EGFおよびBMP阻害剤を含む培地で培養する工程である、[16]または[17]のいずれか1項に記載の方法。
[19] 前記工程(iii)での培養が、接着培養条件下で行われる、[16]から[18]のいずれか1項に記載の方法。
[20] 前記工程(iii)での培養が、浮遊培養条件下で行われる、[15]に記載の方法。
[21] 前記工程(i)において、アクチビンを含む培地がさらにGSK3阻害剤を含む、[15]から[20]のいずれか1項に記載の方法。
[22] 前記工程(ii)において、KGFを含む培地がさらにBMP阻害剤、レチノイン酸誘導体およびヘッジホッグ経路阻害剤を含む、[15]から[21]のいずれか1項に記載の方法。
[23] 前記BMP阻害剤が、Nogginである、[15]から[22]のいずれか1項に記載の方法。
[24] 前記GSK3阻害剤が、CHIR99021である、[21]から[23]のいずれか1項に記載の方法。
[25] 前記レチノイン酸誘導体が、TTNPBである、[18]、または[22]から[24]のいずれか1項に記載の方法。
[26] 前記ヘッジホッグ経路阻害剤が、KAAD‐シクロパミンである、[18]、または[22]から[26]のいずれか1項に記載の方法。
[27] 前記膵芽細胞が、PDX1陽性およびNKX6.1陽性である[15]から[26]のいずれか1項に記載の方法。
[28] 前記膵芽細胞が、ヒト細胞である、[15]から[27]のいずれか1項に記載の方法。
[29] [1]から[28]のいずれか1項に記載の方法で製造された膵芽細胞を含む、膵疾患の治療剤。
[30] 前記膵疾患が糖尿病である、[29]に記載の治療剤。
[31] 前記糖尿病が、1型糖尿病である、[30]に記載の治療剤。
[32] [1]から[28]のいずれか1項に記載の方法で製造された膵芽細胞の、膵疾患の治療剤の製造のための使用。
[33] 膵疾患治療のために用いられる、[1]から[28]のいずれか1項に記載の方法で製造された膵芽細胞。
[34] [1]から[28]のいずれか1項に記載の方法で製造された膵芽細胞を膵疾患の治療が必要な対象へ移植することを含む、膵疾患の治療方法。
ROCK阻害剤は、Rho-キナーゼ(ROCK)の機能を抑制できるものである限り特に限定されず、例えば、Y-27632(例、Ishizaki et al., Mol. Pharmacol. 57, 976-983 (2000);Narumiya et al., Methods Enzymol. 325,273-284 (2000)参照)、Fasudil/HA1077(例、Uenata et al., Nature 389: 990-994 (1997)参照)、SR3677(例、Feng Y et al., J Med Chem. 51: 6642-6645(2008)参照)、GSK269962(例、Stavenger RA et al., J Med Chem. 50: 2-5 (2007)またはWO2005/037197参照)、H-1152(例、Sasaki et al., Pharmacol. Ther. 93: 225-232 (2002)参照)、Wf-536(例、Nakajima et al., Cancer Chemother Pharmacol. 52(4): 319-324 (2003)参照)およびそれらの誘導体、ならびにROCKに対するアンチセンス核酸、RNA干渉誘導性核酸(例、siRNA)、ドミナントネガティブ変異体、およびそれらの発現ベクターが挙げられる。また、ROCK阻害剤としては他の公知の低分子化合物も使用できる(例えば、米国特許出願公開第2005/0209261号、同第2005/0192304号、同第2004/0014755号、同第2004/0002508号、同第2004/0002507号、同第2003/0125344号、同第2003/0087919号、及び国際公開第2003/062227号、同第2003/059913号、同第2003/062225号、同第2002/076976号、同第2004/039796号参照)。本発明では、1種または2種以上のROCK阻害剤が使用され得る。本工程で用いる好ましいROCK阻害剤としては、Y-27632、Fasudil/HA1077、SR3677、GSK269962およびH-1152が挙げられる。
(工程1)多能性幹細胞を、アクチビンを含む培地で培養する工程、および
(工程2)工程1で得られた細胞を、KGFを含む培地で培養する工程。
従って、上述のPDX1陽性NKX6.1陰性細胞から膵芽細胞誘導する方法を工程3として適用することで、ある態様として次の工程を含む、多能性幹細胞から膵芽細胞を製造する方法も提供する:
(工程1)多能性幹細胞を、アクチビンを含む培地で培養する工程、
(工程2)工程1で得られた細胞を、KGFを含む培地で培養する工程、
(工程3)工程2で得られた細胞(PDX1陽性NKX6.1陰性細胞)を単一細胞へ分離後、KGF、EGFおよびBMP阻害剤を含む培地で培養する工程。
ヒトES細胞株KhES3は、京都大学より受領し、従来の方法で培養した(H. Suemori et al. (2006), Biochem. Biophys. Res. Commun., 345:926-932)。(あるいはEssential8, CorningのSynthemaxを用いたfeeder free条件にて培養した。)KhES3を図1に記載したプロトコールに従って膵芽細胞へと誘導した。詳細には、培養皿に対しておおよそ70%コンフルエントに増殖したヒトES細胞株KhES3をCTK溶液(リプロセル)を用いて剥離させ、続いてAccutase(Innovative Cell Technologies)を用いて個々の細胞へと分離し、Matrigel(BD)をコートした24 wellあるいは6 well plate (Greiner)に2.0×105/well~3.0×105/wellにて播種した後、次の工程によって膵芽細胞へと分化誘導した。
2%のB27(Life Technologies)を含むRPMI1640培地(ナカライテスク)(0.4 ml/well)に100 ng/ml アクチビンA(R&D systems)、3 μM CHIR99021(Axon Medchem)および10 μM Y-27632(WaKo)を添加して1日間培養した。培地を100 ng/mlアクチビンAおよび2%のB27(Life Technologies)を含むRPMI1640培地(0.8ml/well)に交換し、2日間培養した。さらに、培地を100ng/ml アクチビンAおよび2%のB27(Life Technologies)を含むRPMI1640培地(0.4ml/well)に交換し、1日間培養した。
50 ng/ml KGF(R&D systems)および1%のB-27(Life Technologies)を含むImproved MEM Zinc Option培地(Invitrogen社)(0.8ml/well)に交換して3日間培養した。続いて、0-50 ng/ml KGF、100 ng/ml Noggin(Peprotech)、5又は10nM TTNPB(Santa Cruz Biotechnology)、0.5 μM 3-Keto-N-aminoethyl-N'-aminocaproyldihydrocinnamoyl Cyclopamine(KAAD‐シクロパミンまたはK-CYC)(Toronto Research Chemicals)および1%のB-27を含むImproved MEM Zinc Option培地(0.8ml/well)に交換して3日間培養した。
第2工程で得られた細胞をTrypsinを用いて単一細胞へと分離し、低接着96ウェルプレート(Lipidure Coat、NOF)に3.0×103~3.0×104/wellにて播種した。100 ng/ml KGF、100 ng/ml Noggin、50ng/ml EGF(R&D systems)、10 μM Y-27632および1%のB-27を含むImproved MEM Zinc Option培地(15×104/ml)を添加してさらに4日間から20日間培養した。この時、同じ培地で4日おきに培地交換した。また、対照として、第2工程で得られた細胞をTrypsinを用いて単一細胞へと分離し、Matrigelをコートした24 well plate (Greiner)に6.0×104~4.8×105/cm2にて播種して、同様の培地により4日間接着培養を行った。同様に、対照として、第2工程で得られた細胞を分離せず、同様の培地へ交換して4日間培養を行った。
4種の末梢血単核球由来のiPS細胞株(585A1、604B1、692D2および648B1(全て、Okita K, et al, Stem Cells. 2013 31:458-466))ならびに1種の線維芽細胞由来のiPS細胞株(409B2(Okita K, et al, Nat Methods. 2011 8:409-412)は、京都大学iPS細胞研究所より入手可能である。京都大学より入手したこれらのiPS細胞株を用いて、上記と同様の工程により、膵芽細胞へと分化誘導した。
ヒトES細胞株KhES3を用いて、(第3工程)の期間を0日(S3d0)、1日(S3d1)、2日(S3d2)、4日(S3d4)、8日(S3d8)、12日(S3d12)、16日(S3d16)および20日(S3d20)間行ったところ、8日間以上行った場合にPDX1およびNKX6.1両陽性細胞率が高くなった。このとき12日間行ったあたりで、最大に達し、以後培養を継続することで特に効率が減弱することは確認されなかった(図4AおよびB)。
ALK5阻害剤II(Santa Cruz)の処理は、第3工程2日目以降で1-2日間の処理(図8A)でPDX1およびNKX6.1両陽性細胞率を増加させた(図8B)。
第3工程は12日目の細胞凝集塊を回収し、免疫不全マウス(NOD. CB17-Prkdcscid/J)(Charles river)の副精巣周囲脂肪組織へ移植し、30日後移植部位を回収したところ管構造をとるPDX1陽性細胞に隣接するインスリン陽性細胞の塊が生じたことから、誘導した膵芽細胞は、in vivoで膵上皮様の構造を形成することが確認された(図9)。
第3工程4日目、5日目、または12日目の細胞凝集塊を回収し、培養後の細胞を生理食塩水で洗浄し、培地を除去した細胞凝集塊の濃縮物、または、培養上清を除去した細胞凝集塊の濃縮物を調整した。
(第1工程)
iPS細胞株(585A1)をMatrigelをコートした24 well plateに2.0×105/wellで播種し、2%のB27(Life Technologies)を含むRPMI1640培地(ナカライテスク)に100 ng/ml アクチビンA(R&D systems)、3 μM CHIR99021(Axon Medchem)および10 μM Y-27632(WaKo)を添加して1日間培養した。培地を100 ng/mlアクチビンA、1 μM CHIR99021および2%のB27(Life Technologies)を含むRPMI1640培地に交換し、2日間培養した。さらに、培地を100ng/ml アクチビンAおよび2%のB27(Life Technologies)を含むRPMI1640培地に交換し、1日間培養した。
第1工程で得られた培養物の培地を、50 ng/ml KGF(R&D systems)および1%のB-27(Life Technologies)を含むImproved MEM Zinc Option培地(Invitrogen社)に交換して3日間培養した。続いて、50 ng/ml KGF、100 ng/ml Noggin(Peprotech)、10nM TTNPB(Santa Cruz Biotechnology)、0.5 μM 3-Keto-N-aminoethyl-N'-aminocaproyldihydrocinnamoyl Cyclopamine(KAAD‐シクロパミンまたはK-CYC)(Toronto Research Chemicals)および1%のB-27を含むImproved MEM Zinc Option培地に交換して3日間培養した。
第2工程で得られた細胞を、Trypsinを用いて単一細胞へと分離し、Matrigelをコートした24 well plateに1.6×105~2.4×105/ cm2にて播種した。100 ng/ml KGF、100 ng/ml Noggin、50ng/ml EGF(R&D systems)、各濃度のY-27632および1%のB-27を含むImproved MEM Zinc Option培地(15×104/ml)を添加して4日間培養した。
第3工程において、Y-27632を用いた場合、濃度依存的にPDX1およびNKX6.1両陽性細胞の含有率が上昇し、100μMで最もその効果が高かった(図11BおよびC)。
(第1工程)
iPS細胞株(585A1)をMatrigelをコートした24 well plateに2.0×105/wellで播種し、2%のB27(Life Technologies)を含むRPMI1640培地(ナカライテスク)に100 ng/ml アクチビンA(R&D systems)、3 μM CHIR99021(Axon Medchem)および10 μM Y-27632(WaKo)を添加して1日間培養した。培地を100 ng/mlアクチビンA、1 μM CHIR99021および2%のB27(Life Technologies)を含むRPMI1640培地に交換し、2日間培養した。さらに、培地を100ng/ml アクチビンAおよび2%のB27(Life Technologies)を含むRPMI1640培地に交換し、1日間培養した。
50 ng/ml KGF(R&D systems)および1%のB-27(Life Technologies)を含むImproved MEM Zinc Option培地(Invitrogen社)に交換して3または4日間培養した。続いて、50 ng/ml KGF、100 ng/ml Noggin(Peprotech)、10nM TTNPB(Santa Cruz Biotechnology)、0.5 μM 3-Keto-N-aminoethyl-N'-aminocaproyldihydrocinnamoyl Cyclopamine(KAAD‐シクロパミンまたはK-CYC)(Toronto Research Chemicals)および1%のB-27を含むImproved MEM Zinc Option培地に交換して2または3日間培養した。
第2工程で得られた細胞をTrypsinを用いて単一細胞へと分離し、Matrigelをコートした24 well plateに1.6×105~2.4×105/ cm2にて播種した。50 ng/ml KGF、100 ng/ml Noggin、10nM TTNPB、0.5 μM KAAD‐シクロパミン、10 μM Y-27632および1%のB-27を含むImproved MEM Zinc Option培地を加え、1日間培養した。続いて、培地を100 ng/ml KGF、100 ng/ml Noggin、50ng/ml EGF(R&D systems)、各化合物(Y-27632、Fasudil(HA-1077)、SR3677、GSK269962、H-1152およびBlebbistatin)および1%のB-27を含むImproved MEM Zinc Option培地(15×104/ml)を添加してさらに4日間培養した。
Claims (15)
- 以下の工程(i)から(iii)を含む、多能性幹細胞から膵芽細胞を製造する方法:
(i)多能性幹細胞を、アクチビンを含む培地で培養する工程、
(ii)工程(i)で得られた細胞を、KGFを含む培地で培養し、次いでKGF、BMP阻害剤、レチノイン酸誘導体およびヘッジホッグ経路阻害剤を含む培地で培養する工程、
(iii)工程(ii)で得られた細胞を、単一細胞へ分離した後、当該細胞をKGF、EGFおよびBMP阻害剤を含み、さらにROCK阻害剤または非筋ミオシンII阻害剤を含む培地中、接着培養条件下で培養する工程。 - 前記ROCK阻害剤または非筋ミオシンII阻害剤が、Y-27632、Fasudil、SR3677、GSK269962、H-1152およびBlebbistatinから成る群より選択されるいずれか一つの化合物である、請求項1に記載の方法。
- 前記ROCK阻害剤または非筋ミオシンII阻害剤がY-27632である、請求項2に記載の方法。
- 培地中のY-27632の濃度が10~200μMである、請求項3に記載の方法。
- 前記ROCK阻害剤または非筋ミオシンII阻害剤がBlebbistatinである、請求項2に記載の方法。
- 培地中のBlebbistatinの濃度が5~20μMである、請求項5に記載の方法。
- 前記工程(i)において、アクチビンを含む培地がさらにGSK3阻害剤を含む、請求項1から6のいずれか1項に記載の方法。
- 前記GSK3阻害剤が、CHIR99021である、請求項7に記載の方法。
- 前記BMP阻害剤が、Nogginである、請求項1から8のいずれか1項に記載の方法。
- 前記レチノイン酸誘導体が、TTNPBである、請求項1から9のいずれか1項に記載の方法。
- 前記ヘッジホッグ経路阻害剤が、KAAD‐シクロパミンである、請求項1から10のいずれか1項に記載の方法。
- 前記工程(iii)において、工程(ii)で得られた細胞を、単一細胞へ分離した後、KGF、BMP阻害剤、レチノイン酸誘導体およびヘッジホッグ経路阻害剤を含む培地で培養し、その後さらにKGF、EGFおよびBMP阻害剤を含み、さらにROCK阻害剤または非筋ミオシンII阻害剤を含む培地で培養する、請求項1から11のいずれか1項に記載の方法。
- 前記膵芽細胞がPDX1陽性およびNKX6.1陽性である請求項1から12のいずれか1項に記載の方法。
- 多能性幹細胞が、ヒト細胞である、請求項1から13のいずれか1項に記載の方法。
- 多能性幹細胞が、ヒトiPS細胞である、請求項14に記載の方法。
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CN114292817A (zh) | 2014-07-18 | 2022-04-08 | 国立大学法人京都大学 | 从多能性干细胞诱导细胞免疫治疗用t细胞的方法 |
WO2016010153A1 (ja) | 2014-07-18 | 2016-01-21 | 宏 河本 | 免疫細胞療法用t細胞の誘導方法 |
PL3170896T3 (pl) | 2014-07-18 | 2020-11-02 | Kawamoto, Hiroshi | Sposób wytwarzania pluripotencjalnych komórek macierzystych mających gen swoistego wobec antygenu receptora komórek T |
US20170267972A1 (en) | 2014-07-18 | 2017-09-21 | Hiroshi Kawamoto | Production method for pluripotent stem cells having antigen-specific t cell receptor gene |
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EP3147353A4 (en) | 2018-02-07 |
JP2020156504A (ja) | 2020-10-01 |
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US20200102542A1 (en) | 2020-04-02 |
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US20170175082A1 (en) | 2017-06-22 |
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JPWO2015178431A1 (ja) | 2017-04-20 |
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