JP7003095B2 - ヒト胚性幹細胞の侵害受容器分化のための方法およびその使用 - Google Patents
ヒト胚性幹細胞の侵害受容器分化のための方法およびその使用 Download PDFInfo
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Description
Against Decapentaplegic(SMAD)シグナル伝達を低下させることができ、そして前記第三インヒビターは、ウイングレス(Wnt)シグナル伝達の活性化のためにグリコーゲンシンターゼキナーゼ3β(GSK3β)を低下させることができる)を提供すること;b)前記幹細胞を前記第一インヒビターおよび前記第二インヒビターとインビトロで48時間まで(またはさらには96時間まで)接触させること;ならびにc)幹細胞の定方向性分化を誘導するために前記阻害された幹細胞を前記第三インヒビターとさらに192時間まで(またはさらには240時間まで)さらに接触させること、を含み、前記分化幹細胞が、神経堤幹細胞、神経堤系列細胞およびニューロン系列細胞からなる群より選択される、方法を提供する。1つの実施形態では、前記第一インヒビターは、SB431542、その誘導体およびその混合物からなる群より選択される低分子である。1つの実施形態では、前記第二インヒビターは、LDN193189、その誘導体およびその混合物からなる群より選択される低分子である。1つの実施形態では、前記第三インヒビターは、CHIR99021およびその誘導体からなる群より選択される。1つの実施形態では、前記キットは、線維芽細胞増殖因子(FGF)受容体ファミリーシグナル伝達を低下させる第四インヒビターをさらに含み、前記FGF受容体ファミリーシグナル伝達には、血管内皮増殖因子(VEGF)受容体、線維芽細胞増殖因子(FGF)受容体および血小板由来増殖因子(PDGF)チロシンキナーゼ受容体が含まれる。1つの実施形態では、前記第四インヒビターは、SU5402およびその誘導体からなる群より選択される。1つの実施形態では、前記キットは、ノッチシグナル伝達を低下させることができる第五インヒビターをさらに含む。1つの実施形態では、前記第五インヒビターは、N-[N-(3,5-ジフルオロフェナセチル)-L-アラニル]-S-フェニルグリシンt-ブチルエステル(DAPT)およびその誘導体からなる群より選択される。1つの実施形態では、前記キットは、ニューロン系列細胞のペプチド作動性侵害受容器細胞への定方向性分化のために、第四インヒビターおよび第五インヒビターをさらに含み、前記第四インヒビターはSU5402およびその誘導体からなる群より選択され、前記第五インヒビターはN-[N-(3,5-ジフルオロフェナセチル)-L-アラニル]-S-フェニルグリシンt-ブチルエステル(DAPT)およびその誘導体からなる群より選択される。1つの実施形態では、前記ペプチド作動性侵害受容器細胞は、OCT4、DLK1、PAX6、SOX10、POU4F1(BRN3A)、ISL1、NEUROG2、NEUROG1、NTRK1、RET、RUNX1、VGLUT2、TAC1およびTRPV1からなる群より選択されるマーカーを発現する。1つの実施形態では、前記ペプチド作動性侵害受容器細胞は、ISL1、POU4F1(BRN3A)、RET、RUNX1およびNTRK1からなる群より選択されるマーカーを発現する。1つの実施形態では、前記マーカーは、タンパク質および核酸からなる群より選択される。1つの実施形態では、前記ペプチド作動性侵害受容器細胞は、サブスタンスPおよびカルシトニン遺伝子関連ペプチド(CGRP)を共発現する。1つの実施形態では、前記ペプチド作動性侵害受容器細胞は外部刺激に応答して活動電位を生じさせ、前記外部刺激は電流である。1つの実施形態では、前記分化したペプチド作動性侵害受容器細胞は、前記幹細胞を前記第一インヒビターおよび前記第二インヒビターと接触させた後8~18日以内、より典型的には10~15日以内に高度に富化されたニューロンの集団内に存在する。1つの実施形態では、前記幹細胞はヒト胚性幹細胞である。1つの実施形態では、前記幹細胞はヒト誘導多能性幹細胞である。
本明細書で使用される場合、「キット」という用語は、物質を送達するための任意の送達システムを指す。細胞分化に関連して、キットは、幹細胞と接触させるための物質の組合せを指してもよく、そのような送達システムは、適切な容器(例えばチューブ等)中での反応試薬(例えば化合物、タンパク質、検出試薬(PAX6抗体など)等)および/または支持物質(例えば緩衝液、細胞分化を実施するための指示文書等)の貯蔵、輸送または送達(1つの場所から別の場所への)を可能にするシステムを含む。例えば、キットは、シグナル伝達経路を阻害するための関連反応試薬、例えば、SB431542(もしくはSB431542代替物)等のようなトランスフォーミング増殖因子β(TGFβ)/アクチビン-ノーダルシグナル伝達を低下させるためのインヒビター、SMADシグナル伝達を低下させるためのインヒビターである、LDN193189(もしくはLDN193189代替物)等、CHIR99021(もしくはCHIR99021代替物)等のような、グリコーゲンシンターゼキナーゼ3β(GSK3β)を低下させるためのインヒビター、一例として、β-カテニンのシグナル伝達抑制についての、さもなければWNTシグナル伝達アクチベーター(WNTアゴニスト)として知られるウイングレス(WntもしくはWnts)シグナル伝達の活性化のためのインヒビター、SU5402(もしくはSU5402代替物)等のような、線維芽細胞増殖因子(FGF)受容体ファミリーシグナル伝達を低下させることを含む、FGF受容体ファミリーシグナル伝達のインヒビター(但し、前記FGF受容体ファミリーシグナル伝達には、血管内皮増殖因子(VEGF)受容体、線維芽細胞増殖因子(FGF)受容体および血小板由来増殖因子(PDGF)チロシンキナーゼ受容体シグナル伝達が含まれる)、DAPT(もしくはDAPT代替物)等のような、ノッチシグナル伝達のインヒビター、ならびに/または支持物質を含む、1つ以上の筺体(例えば箱もしくはバッグ、試験管、エッペンドルフ管、毛細管、マルチウエルプレート等)を含む。1つの実施形態ではキット中の試薬は、溶液中に存在してもよく、凍結されていてもよく、または凍結乾燥されていてもよい。1つの実施形態ではキット中の試薬は、個別の容器中に存在してもよく、またはLSB、3i、CHIR、Mel試薬等の組合せのような特定の組合せとして提供されてもよい。
したがって本発明は以下の項目を提供する:
(項目1) 第一シグナル伝達インヒビター、第二シグナル伝達インヒビター、および第三シグナル伝達インヒビターを含むキットであって、ここで、該第一インヒビターはトランスフォーミング増殖因子β(TGFβ)/アクチビン-ノーダルシグナル伝達を低下させることができ、該第二インヒビターはSmall Mothers Against Decapentaplegic(SMAD)シグナル伝達を低下させることができ、および該第三インヒビターは、ウイングレス(Wnt)シグナル伝達の活性化のためにグリコーゲンシンターゼキナーゼ3β(GSK3β)を低下させることができる、キット。
(項目2) 上記第一インヒビターが、SB431542、その誘導体およびその混合物からなる群より選択される低分子である、項目1に記載のキット。
(項目3) 上記第二インヒビターが、LDN193189、その誘導体およびその混合物からなる群より選択される低分子である、項目1に記載のキット。
(項目4) 上記第三インヒビターが、CHIR99021およびその誘導体からなる群より選択される、項目1に記載のキット。
(項目5) 線維芽細胞増殖因子(FGF)受容体ファミリーシグナル伝達を低下させる第四インヒビターをさらに含む項目1に記載のキットであって、該FGF受容体ファミリーシグナル伝達が、血管内皮増殖因子(VEGF)受容体、線維芽細胞増殖因子(FGF)受容体および血小板由来増殖因子(PDGF)チロシンキナーゼ受容体を含む、キット。
(項目6) 上記第四インヒビターが、SU5402およびその誘導体からなる群より選択される、項目5に記載のキット。
(項目7) ノッチシグナル伝達を低下させることができる第五インヒビターをさらに含む、項目1に記載のキット。
(項目8) 上記第五インヒビターが、N-[N-(3,5-ジフルオロフェナセチル)-L-アラニル]-S-フェニルグリシンt-ブチルエステル(DAPT)およびその誘導体からなる群より選択される、項目7に記載のキット。
(項目9) ネスチン、
からなる群より選択されるタンパク質の発現の検出のために使用される抗体をさらに含む、項目1に記載のキット。
(項目10) ネスチン、
からなる群より選択される遺伝子のmRNA発現の検出のためのPCRプライマーをさらに含む、項目1に記載のキット。
(項目11) プロタキキニン-1(TAC1)、小胞グルタミン酸輸送体2(VGLUT2)および溶質キャリアファミリー15メンバー3(SLC15A3)からなる群より選択されるタンパク質の発現の検出のために使用される抗体をさらに含む、項目1に記載のキット。
(項目12) プロタキキニン-1(TAC1)、小胞グルタミン酸輸送体2(VGLUT2)および溶質キャリアファミリー15メンバー3(SLC15A3)からなる群より選択される遺伝子のmRNA発現の検出のためのPCRプライマーをさらに含む、項目1に記載のキット。
(項目13) 指示書をさらに含む項目1に記載のキットであって、該指示書が、上記第三インヒビターを添加する2日前に、上記第一インヒビターおよび上記第二インヒビターを添加するための工程を含む、キット。
(項目14) 指示書をさらに含む項目1に記載のキットであって、該指示書が、神経幹細胞前駆体を作製するための工程および侵害受容器細胞を作製するための工程を含む、キット。
(項目15) ヒト幹細胞をさらに含む、項目1に記載のキット。
(項目16) 上記ヒト幹細胞がヒト胚性幹細胞である、項目15に記載のキット。
(項目17) 上記ヒト幹細胞がヒト誘導多能性幹細胞である、項目15に記載のキット。
(項目18) 上記ヒト幹細胞がトランスジェニックSOX10::GFP細菌人工染色体(BAC)ヒト多能性幹細胞(hPSC)である、項目13に記載のキット。
(項目19) 幹細胞の定方向性分化を誘導するための方法であって、
a)
i)ヒト幹細胞を含む細胞培養物;および
ii)第一シグナル伝達インヒビター、第二シグナル伝達インヒビター、および第三シグナル伝達インヒビターであって、ここで、該第一インヒビターはトランスフォーミング増殖因子β(TGFβ)/アクチビン-ノーダルシグナル伝達を低下させることができ、該第二インヒビターはSmall Mothers Against Decapentaplegic(SMAD)シグナル伝達を低下させることができ、および該第三インヒビターは、ウイングレス(Wnt)シグナル伝達の活性化のためにグリコーゲンシンターゼキナーゼ3β(GSK3β)を低下させることができる、第一シグナル伝達インヒビター、第二シグナル伝達インヒビター、および第三シグナル伝達インヒビター;
を提供する工程;
b)該幹細胞を該第一インヒビターおよび該第二インヒビターとインビトロで48時間まで接触させる工程;ならびに
c)該阻害された幹細胞を、幹細胞の定方向性分化を誘導するために、該第三インヒビターとさらに192時間までさらに接触させる工程
を含み、該分化した幹細胞は神経堤幹細胞である、方法。
(項目20) 上記第一インヒビターが、SB431542、その誘導体およびその混合物からなる群より選択される低分子である、項目19に記載の方法。
(項目21) 上記第二インヒビターが、LDN193189、その誘導体およびその混合物からなる群より選択される低分子である、項目19に記載の方法。
(項目22) 上記第三インヒビターが、CHIR99021およびその誘導体からなる群より選択される、項目19に記載の方法。
(項目23) 線維芽細胞増殖因子(FGF)受容体ファミリーシグナル伝達を低下させる第四インヒビターをさらに含む項目19に記載の方法であって、該FGF受容体ファミリーシグナル伝達が、血管内皮増殖因子(VEGF)受容体、線維芽細胞増殖因子(FGF)受容体および血小板由来増殖因子(PDGF)チロシンキナーゼ受容体を含む、方法。
(項目24) 上記第四インヒビターが、SU5402およびその誘導体からなる群より選択される、項目23に記載の方法。
(項目25) ノッチシグナル伝達を低下させることができる第五インヒビターをさらに含む、項目19に記載の方法。
(項目26) 上記第五インヒビターが、N-[N-(3,5-ジフルオロフェナセチル)-L-アラニル]-S-フェニルグリシンt-ブチルエステル(DAPT)およびその誘導体からなる群より選択される、項目25に記載の方法。
(項目27) ニューロン系列細胞のペプチド作動性侵害受容器細胞への定方向性分化のために、第四インヒビターおよび第五インヒビターをさらに含む項目19に記載の方法であって、該第四インヒビターがSU5402およびその誘導体からなる群より選択され、該第五インヒビターがN-[N-(3,5-ジフルオロフェナセチル)-L-アラニル]-S-フェニルグリシンt-ブチルエステル(DAPT)およびその誘導体からなる群より選択される、方法。
(項目28) 上記ペプチド作動性侵害受容器細胞が、OCT4、DLK1、PAX6、SOX10、POU4F1(BRN3A)、ISL1、NEUROG2、NEUROG1、NTRK1、RET、RUNX1、VGLUT2、TAC1およびTRPV1からなる群より選択されるマーカーを発現する、項目27に記載の方法。
(項目29) 上記ペプチド作動性侵害受容器細胞が、ISL1、POU4F1(BRN3A)、RET、RUNX1およびNTRK1からなる群より選択されるマーカーを発現する、項目27に記載の方法。
(項目30) 上記マーカーがタンパク質および核酸からなる群より選択される、項目27に記載の方法。
(項目31) 上記ペプチド作動性侵害受容器細胞が、サブスタンスPおよびカルシトニン遺伝子関連ペプチド(CGRP)を共発現する、項目27に記載の方法。
(項目32) 上記ペプチド作動性侵害受容器細胞が外部刺激に応答して活動電位を生じ、該外部刺激が電流である、項目27に記載の方法。
(項目33) 上記分化したペプチド作動性侵害受容器細胞が、上記幹細胞を上記第一インヒビターおよび上記第二インヒビターと接触させた後10~15日以内に、高度に富化されたニューロンの集団内に存在する、項目27に記載の方法。
(項目34) 上記幹細胞がヒト胚性幹細胞である、項目19に記載の方法。
(項目35) 上記幹細胞がヒト誘導多能性幹細胞である、項目19に記載の方法。
(項目36) 生物学的作用物質をインビトロでスクリーニングする方法であって、
a)
i)幹細胞の定方向性分化からインビトロで誘導される侵害受容器細胞;および
ii)試験化合物
を提供する工程;ならびに
b)該侵害受容器細胞を該試験化合物と接触させて、侵害受容器機能を測定する工程であって、該機能は活動電位の測定値である、工程
を含む、方法。
(項目37) 上記侵害受容器細胞がヒト幹細胞に由来する、項目36に記載の方法。
本発明は、幹細胞生物学の分野、特に、ヒト胚性幹細胞(hESC)、ヒト誘導多能性幹細胞(hiPSC)、体性幹細胞、がん幹細胞、または系列特異的に分化することができる任意の他の細胞を含み得るが、これらに限定されない、多能性または多分化能性幹細胞の系列特異的分化に関する。特に、新規培養条件を用いてhESCおよび/またはhiPSCの系列特異的分化を侵害受容器(すなわち侵害受容器細胞)へと向かわせる方法を述べる。本発明の方法を用いて作製される侵害受容器は、インビトロでの薬剤発見アッセイにおける使用、疼痛研究における使用、および末梢神経系(PNS)の疾患または損傷を逆転させる治療薬としての使用を含むが、これらに限定されない、様々な用途に関してさらに考慮される。さらに、疾患モデリングにおける使用のためにヒト多能性幹細胞からメラノサイトを生産するための組成物および方法を提供する。
ES and iPS cells regardless of their innate difference in differentiation propensity.Stem Cell Rev 6,270-281(2010);Zhouら、High-Efficiency Induction of Neural Conversion in hESCs and hiPSCs with a Single Chemical Inhibitor of TGF-beta Superfamily Receptors.Stem Cells,504(2010))。
55,353-364(2007)参照)。TUJ1+ニューロンを含む2連の初期段階LSB3i培養物をRET発現に関して試験し(図3C)、このマーカーに関して陽性であることが見出され(TUJ1+染色(緑色/RET染色と比較してより明るい細胞体)および挿入されたRETの箱内のより明るい染色領域と比較して、赤色/大きい方の箱の細胞内のより暗い領域)(図3D)、また10日目にFACSによって測定した場合、培養下のすべての細胞の60%超がNTRK1を発現した(図3E)。
Neurosci 10:1287-1293(2007))。加えて、アフリカツメガエル(Xenopus laevis)の頭部プラコード組織は、顔面組織中の三叉神経侵害受容器細胞集団に寄与した(参照により本明細書に組み込まれる、Schlosserら、J Comp Neurol 418:121-146(2000);Schlosserら、Dev Biol 294:303-351(2006))。
(本明細書で述べる3iを含む方法におけるCHIRと同じ濃度範囲を使用する)を供給する;6日目から11日目までCHIR、BMP4およびEDN3(本明細書で述べる3iを含む方法におけるCHIRと同じ濃度範囲を使用し、BMP4およびEDN3については以下の濃度範囲参照)を供給する。11日目に細胞を継代し、8週間までMEL培地(CHIRを含む)を供給した。
以下の実施例は、本発明の特定の実施形態および態様を説明するための助けとなるものであり、その範囲を限定すると解釈されるべきではない。以下の実験の開示では、以下の略語を適用する:N(規定度);M(モル濃度);mM(ミリモル濃度);μM(マイクロモル濃度);mol(モル);mmol(ミリモル);μmol(マイクロモル);nmol(ナノモル);pmol(ピコモル);g(グラム);mg(ミリグラム);μg(マイクログラム);ng(ナノグラム);pg(ピコグラム);L(リットル);ml(ミリリットル);μl(マイクロリットル);cm(センチメートル);mm(ミリメートル);μm(マイクロメートル);nm(ナノメートル);U(単位);min(分);sおよびsec(秒);deg(度);pen(ペニシリン)、strep(ストレプトマイシン)ならびに℃ 10(セ氏温度/セルシウス度)。
実験材料および方法
以下の実施例は、本発明の開発の間に使用される例示的な材料および方法を述べる。
USA 106(2009))生成した。ダルベッコ改変イーグル培地(DMEM)/F12、20%ノックアウト血清代替物、1mM L-グルタミン(Invitrogen,Carlsbad,State of California,USA)、100μM MEM非必須アミノ酸(Invitrogen)および0.1mM β-メルカプトエタノール(Invitrogen)を含む培地を作製した。6ng/mlの線維芽細胞増殖因子2(FGF-2、R&D Systems,Minneapolis,State of Minnesota)を滅菌ろ過後に添加し、細胞に毎日供給して、6U/mLディスパーゼ(Worthington Biochemical,Lakewood,State of New Jersey,USA)を使用して週1回継代した。SOX10::GFP細菌人工染色体細胞系を、報告されているように(参照により本明細書に組み込まれる、Placantonakisら、Stem Cells 27,521-532(2009))生成した。
(MSKCC)Genomics Core Facilityによって処理し、Illumina Human HT-12 v4 Expression BeadChipにハイブリダイズした。Bioconductor project(www.bioconductor.org)からのIllumina分析パッケージ(LUMI)を統計プログラミング言語R(http://cran.r-project.org/)と共に使用して標準化およびモデルに基づく発現測定値を計算した。発現値は倍数変化のlog2である。多重検定の補正p値が<0.05である場合、ペアワイズ比較のカットオフは有意であった。
ヒト多能性幹細胞をSB431542およびLDN-193189(LSB)と接触させることによりニューロン系列細胞が生産された。
ES and iPS cells regardless of their innate difference in differentiation propensity.Stem Cell Rev 6,270-281(2010);Zhouら、High-Efficiency Induction of Neural Conversion in hESCs and hiPSCs with a Single Chemical Inhibitor of TGF-beta Superfamily Receptors.Stem Cells,504(2010))。
本発明のニューロン系列細胞を使用して低分子をスクリーニングすることにより、低いPAX6および高いTUJ1ニューロン細胞を生じる化合物がもたらされた。
TUJ1+ニューロン細胞は細胞増殖マーカーの発現の喪失を示す。
TUJ1+ニューロンは、驚くべきことに、予想された中枢神経系(CNS)細胞ではなく末梢神経系(PNS)細胞であった。
末梢神経系(PNS)ニューロンは初期段階侵害受容器細胞であることが見出された。
55,353-364(2007)参照)。TUJ1+ニューロンを含む2連の初期段階LSB3i培養物をRET発現に関して試験し(図3C)、このマーカーに関して陽性であることが見出され(TUJ1+染色(緑色/RET染色と比較してより明るい細胞体)および挿入されたRETの箱内のより明るい染色領域と比較して、赤色/大きい方の箱の細胞内のより暗い領域)(図3D)、また10日目にFACSによって測定した場合、培養下のすべての細胞の60%超がNTRK1を発現した(図3E)。
LSB3i処理は再現可能である。
CHIR99021(C)はLSB培養細胞(すなわちLSB-C)からニューロン分化を誘導するための鍵となる因子である。
人工SOX10+細胞は侵害受容器細胞を生産することができる。
Neurosci 10:1287-1293(2007))。加えて、アフリカツメガエル(Xenopus laevis)の頭部プラコード組織は、顔面組織中の三叉神経侵害受容器細胞集団に寄与した(参照により本明細書に組み込まれる、Schlosserら、J Comp Neurol 418:121-146(2000);Schlosserら、Dev Biol 294:303-351(2006))。
本明細書で述べる方法によって生産されたNTRK1+ヒト侵害受容器細胞は、ペプチド作動性細胞と一致する遺伝子発現、およびインサイチューラット侵害受容器細胞に類似した電気生理学的応答を示した。
本明細書で述べる組成物および方法によって生産される細胞の遺伝子発現。
例示的な侵害受容器細胞を提供するために本発明の組成物および方法を用いて企図される大規模培養。
メラノサイトはヒト多能性幹細胞から誘導される:LSB-メラノサイト(LSB-Mel)。
(本明細書で述べる3iを含む方法におけるCHIRと同じ濃度範囲を使用する)を供給する;6日目から11日目までCHIR、BMP4およびEDN3(本明細書で述べる3iを含む方法におけるCHIRと同じ濃度範囲を使用し、BMP4およびEDN3については以下の濃度範囲参照)を供給する。11日目に細胞を継代し、8週間までMEL培地(CHIRを含む)を供給した。
Claims (25)
- SOX10を発現するインビトロ分化した神経堤中間細胞の細胞集団であって、該分化した神経堤中間細胞は、幹細胞を含む細胞培養物においてSmall Mothers Against Decapentaplegic(SMAD)シグナル伝達の阻害を誘導し、該細胞培養物においてウイングレス(Wnt)シグナル伝達の活性化を誘導することを含む方法によって幹細胞から得られ;前記SMADシグナル伝達の阻害の誘導が、前記細胞をトランスフォーミング増殖因子β(TGFβ)/アクチビン-ノーダルシグナル伝達インヒビターおよび骨形成タンパク質(BMP)シグナル伝達インヒビターと接触させることを含み;前記Wntシグナル伝達の活性化の誘導が、前記細胞をグリコーゲンシンターゼキナーゼ3β(GSK3β)インヒビターと接触させることを含み;Wntシグナル伝達の活性化の初期誘導が、SMADシグナル伝達の阻害の初期誘導から4日以内である、細胞集団。
- (a)前記TGFβ/アクチビン-ノーダルシグナル伝達インヒビターが、SB431542を含み、および/または
(b)前記BMPシグナル伝達インヒビターが、LDN193189、ノギン、およびその混合物から選択される、
請求項1に記載の細胞集団。 - 前記GSKβインヒビターが、CHIR99021を含む、請求項1または2に記載の細胞集団。
- Wntシグナル伝達の活性化の初期誘導が、SMADシグナル伝達の阻害の初期誘導から2日後である、請求項1~3のいずれか一項に記載の細胞集団。
- 前記方法がFGF受容体ファミリーシグナル伝達の阻害を誘導することをさらに含む、請求項1~4のいずれか一項に記載の細胞集団。
- 前記FGF受容体ファミリーが、VEGF受容体、FGF受容体およびPDGFチロシンキナーゼ受容体を含む、請求項5に記載の細胞集団。
- 前記FGF受容体ファミリーシグナル伝達の阻害の誘導が、前記細胞をFGF受容体ファミリーシグナル伝達インヒビターと接触させることを含む、請求項5または6に記載の細胞集団。
- 前記FGF受容体ファミリーシグナル伝達インヒビターが、SU5402を含む、請求項7に記載の細胞集団。
- 前記方法がNotchシグナル伝達の阻害を誘導することをさらに含む、請求項1~8のいずれか一項に記載の細胞集団。
- 前記Notchシグナル伝達の阻害の誘導が、前記細胞をNotchシグナル伝達インヒビターと接触させることを含む、請求項9に記載の細胞集団。
- 前記Notchシグナル伝達インヒビターが、DAPT、DAP-BpBおよびその混合物から選択される、請求項10に記載の細胞集団。
- 前記幹細胞が多能性幹細胞である、請求項1~11のいずれか一項に記載の細胞集団。
- 前記多能性幹細胞が胚性幹細胞または人工多能性幹細胞である、請求項12に記載の細胞集団。
- 前記幹細胞がヒト幹細胞である、請求項12または13に記載の細胞集団。
- 請求項1~14のいずれか一項に記載の細胞集団を含む、組成物。
- SOX10を発現する神経堤中間細胞への幹細胞の定方向分化を誘導するためのキットであって、
a)トランスフォーミング増殖因子β(TGFβ)/アクチビン-ノーダルシグナル伝達インヒビター;
b)骨形成タンパク質(BMP)シグナル伝達インヒビター、および
c)ウイングレス(Wnt)シグナル伝達アクチベーターであって、グリコーゲンシンターゼキナーゼ3β(GSK3β)インヒビターを含む、Wntシグナル伝達アクチベーター、および
d)SOX10を発現する神経堤中間細胞への幹細胞の定方向分化をインビトロで誘導するための指示書であって、該TGFβ/アクチビン-ノーダルシグナル伝達インヒビター、該BMPシグナル伝達インヒビターおよび該Wntシグナル伝達アクチベーターを、分化させる該細胞と接触させ、分化させる該細胞との該Wntシグナル伝達アクチベーターの初期接触が、該TGFβ/アクチビン-ノーダルシグナル伝達インヒビターとの該幹細胞の初期接触後4日以内であることを含む、指示書
を含む、キット。 - 前記TGFβ/アクチビン-ノーダルシグナル伝達インヒビターが、SB431542を含み、前記BMPシグナル伝達インヒビターが、LDN193189、ノギン、およびその混合物から選択され、および/または、前記Wntシグナル伝達アクチベーターが、CHIR99021を含む、請求項16に記載のキット。
- 前記TGFβ/アクチビン-ノーダルシグナル伝達インヒビターが、SB431542を含み、前記BMPシグナル伝達インヒビターが、LDN193189を含み、および/または、前記Wntシグナル伝達アクチベーターが、CHIR99021を含む、請求項16または17に記載のキット。
- 前記指示書が、前記細胞の、前記TGFβ/アクチビン-ノーダルシグナル伝達インヒビターとの初期接触から2日後に、前記細胞を前記Wntシグナル伝達アクチベーターと初期接触させることを含む、請求項16~18のいずれか一項に記載のキット。
- FGF受容体ファミリーシグナル伝達インヒビターおよび/またはNotchシグナル伝達インヒビターをさらに含む、請求項16~19のいずれか一項に記載のキット。
- 前記FGF受容体ファミリーシグナル伝達インヒビターが、SU5402を含み、および/または、前記Notchシグナル伝達インヒビターが、DAPT、DAP-BpBおよびその混合物から選択される、請求項20に記載のキット。
- 前記FGF受容体ファミリーシグナル伝達インヒビターが、SU5402を含み、および/または、前記Notchシグナル伝達インヒビターが、DAPTを含む、請求項21に記載のキット。
- 前記幹細胞が多能性幹細胞である、請求項16~22のいずれか一項に記載のキット。
- 前記多能性幹細胞が胚性幹細胞または人工多能性幹細胞である、請求項23に記載のキット。
- 前記幹細胞がヒト幹細胞である、請求項16~24のいずれか一項に記載のキット。
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CA2800500C (en) | 2019-10-15 |
EP3578988A1 (en) | 2019-12-11 |
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HUE046227T2 (hu) | 2020-02-28 |
DK2577318T3 (da) | 2019-10-07 |
JP6868590B2 (ja) | 2021-05-12 |
EP2577318A4 (en) | 2013-10-30 |
AU2011258634A1 (en) | 2012-12-06 |
US20130183674A1 (en) | 2013-07-18 |
EP2577318B1 (en) | 2019-06-26 |
US20220186180A1 (en) | 2022-06-16 |
EP2577318A2 (en) | 2013-04-10 |
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WO2011149762A2 (en) | 2011-12-01 |
US20160201032A1 (en) | 2016-07-14 |
JP2013532961A (ja) | 2013-08-22 |
JP2015038150A (ja) | 2015-02-26 |
JP2016032478A (ja) | 2016-03-10 |
ES2747803T3 (es) | 2020-03-11 |
PT2577318T (pt) | 2019-10-14 |
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