JP7518547B2 - 統合失調症及び他の神経精神障害の治療方法 - Google Patents
統合失調症及び他の神経精神障害の治療方法 Download PDFInfo
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Description
本開示は、K+チャネル機能に障害があるグリア細胞にてグリア細胞のカリウム(K+)の取り込みを回復させる方法に関する。当該方法は、神経精神病態に苦しむ対象を治療するのに好適である。
統合失調症は、妄想的思考、幻聴及び認知障害を特徴とする精神障害であり、世界中の人口のおおまかに1%を冒すが、まだ十分に理解されていないままである(Allen et al.,“Systematic Meta-Analyses and Field Synopsis of Genetic Association Studies in Schizophrenia:The SzGene Database,”Nature Genetics,40:827-834(2008)(非特許文献1)、Sawa及びSnyder,“Schizophrenia:Diverse Approaches to a Complex Disease,”Science,296:692-695(2002)(非特許文献2))。過去10年間で、多数の統合失調症関連遺伝子がグリア細胞の発達と生理に関与していることが明らかになっている(Yin et al.,“Synaptic Dysfunction in Schizophrenia,”Adv.Exp.Med.Biol.970:493-516(2012)(非特許文献3))。したがって、星状細胞及び希突起膠細胞の双方の機能障害が統合失調症の病因に関係している。特に星状細胞は、神経回路網の構造発達と同様に神経回路活動の調整の双方で必須の役割を有し、後者は、グリア伝達物質の放出、シナプス密度の維持、及びシナプスのカリウムと神経伝達物質のレベルの調節を介する(Christopherson et al.,“Thrombospondins are Astrocyte-Secreted Proteins That Promote CNS Synaptogenesis”,Cell,120:421-433(2005)(非特許文献4)、Chung et al.,“Astrocytes Mediate Synapse Elimination Through MEGF10 and MERTK Pathways”,Nature,504:394-400(2013)(非特許文献5)、及びThrane et al.,“Ammonia Triggers Neuronal Disinhibition and Seizures by Impairing Astrocyte Potassium Buffering”,Nat.Med.19:1643-1648(2013)(非特許文献6))。しかしながら、統合失調症などの神経精神障害の発症において星状細胞の機能障害が担う役割は不明である。本開示は、当該技術分野におけるこの欠乏症及び他の欠乏症を克服することを目的とする。
[本発明1001]
K + チャネル機能に障害があるグリア細胞によるK + 取り込みを回復させる方法であって、
K + チャネル機能に障害を有する前記グリア細胞に、前記グリア細胞によるK + 取り込みを回復させるのに有効な条件下でSMAD4阻害剤を投与すること
を含む、前記方法。
[本発明1002]
前記グリア細胞がグリア前駆細胞である、本発明1001の方法。
[本発明1003]
前記投与することが、グリア前駆細胞の星状細胞への分化を回復させるのに有効な条件下で実施される、本発明1002の方法。
[本発明1004]
前記グリア細胞が星状細胞である、本発明1001の方法。
[本発明1005]
前記SMAD4阻害剤が、SMAD4アンチセンスオリゴヌクレオチド、SMAD4 shRNA、及びSMAD4 siRNAからなる群より選択される阻害性核酸分子である、本発明1001の方法。
[本発明1006]
前記SMAD4阻害剤が、5-フルオロウラシル、バルプロ酸、ボリノスタット、及びPR-629からなる群より選択される小分子である、本発明1001の方法。
[本発明1007]
K + チャネル機能に障害がある前記グリア細胞が、神経精神障害を有する対象のグリア細胞である、本発明1001の方法。
[本発明1008]
前記神経精神障害が統合失調症である、本発明1008の方法。
[本発明1009]
対象においてグリア細胞によるK + 取り込みを回復させる方法であって、
グリア細胞のK + 取り込みに障害がある対象を選択することと、
選択された前記対象に、前記グリア細胞によるK + 取り込みを回復させるのに有効な条件下でSMAD4阻害剤を投与することと
を含む、前記方法。
[本発明1010]
前記グリア細胞がグリア前駆細胞である、本発明1009の方法。
[本発明1011]
前記投与することが、前記対象においてグリア前駆細胞の星状細胞への分化を回復させるのに有効な条件下で実施される、本発明1010の方法。
[本発明1012]
前記グリア細胞が星状細胞である、本発明1009の方法。
[本発明1013]
前記投与することが、星状細胞のK + ホメオスタシスを回復させるのに有効な条件下で実施される、本発明1012の方法。
[本発明1014]
前記SMAD4阻害剤が、SMAD4アンチセンスオリゴヌクレオチド、SMAD4 shRNA、及びSMAD4 siRNAからなる群より選択される阻害性核酸分子である、本発明1009の方法。
[本発明1015]
前記SMAD4阻害剤が、5-フルオロウラシル、バルプロ酸、ボリノスタット、及びPR-629からなる群より選択される小分子である、本発明1009の方法。
[本発明1016]
前記SMAD4阻害剤が、ナノ粒子送達ビヒクルにパッケージングされている、本発明1009の方法。
[本発明1017]
前記送達ビヒクルが、グリア細胞ターゲティング部分を含む、本発明1015の方法。
[本発明1018]
前記選択された対象が、神経精神障害を有するか、またはそのリスクがある、本発明1009の方法。
[本発明1019]
前記神経精神障害が統合失調症、自閉症スペクトラム障害、及び双極性障害からなる群より選択される、本発明1018の方法。
[本発明1020]
前記神経精神障害が統合失調症である、本発明1019の方法。
[本発明1021]
前記投与することが、前記対象における神経細胞の興奮性を低下させるのに有効な条件下で実施される、本発明1009の方法。
[本発明1022]
前記投与することが、前記対象における発作の発生を減らすのに有効な条件下で実施される、本発明1009の方法。
[本発明1023]
前記投与することが、前記対象における認知障害を改善するのに有効な条件下で実施される、本発明1009の方法。
[本発明1024]
前記投与することが、脳内送達、髄腔内送達、鼻腔内送達を用いて、または、脳室への直接注入により実施される、本発明1009の方法。
[本発明1025]
前記対象がヒトである、本発明1009の方法。
[本発明1026]
対象における神経精神障害を治療するかまたはその発症を阻害する方法であって、
神経精神障害を有するかまたはそのリスクがある対象を選択することと、
前記選択された対象に、前記対象における前記神経精神障害を治療するかまたはその発症を阻害するのに有効な条件下で、SMAD4阻害剤を投与することと、
を含む、前記方法。
[本発明1027]
前記グリア細胞がグリア前駆細胞である、本発明1026の方法。
[本発明1028]
前記投与することが、前記対象においてグリア前駆細胞の星状細胞への分化を回復させるのに有効な条件下で実施される、本発明1026の方法。
[本発明1029]
前記グリア細胞が星状細胞である、本発明1026の方法。
[本発明1030]
前記SMAD4阻害剤が、SMAD4アンチセンスオリゴヌクレオチド、SMAD4 shRNA、及びSMAD4 siRNAからなる群より選択される阻害性核酸分子である、本発明1026の方法。
[本発明1031]
前記SMAD4阻害剤が、5-フルオロウラシル、バルプロ酸、ボリノスタット、及びPR-629からなる群より選択される小分子である、本発明1026の方法。
[本発明1032]
前記SMAD4阻害剤が、ナノ粒子送達ビヒクルにパッケージングされている、本発明1026の方法。
[本発明1033]
前記送達ビヒクルが、グリア細胞ターゲティング部分を含む、本発明1031の方法。
[本発明1034]
前記神経精神障害が、統合失調症、自閉症スペクトラム障害、及び双極性障害からなる群より選択される、本発明1026の方法。
[本発明1035]
前記神経精神障害が統合失調症である、本発明1034の方法。
[本発明1036]
前記投与することが、前記対象における神経細胞の興奮性を低下させるのに有効な条件下で実施される、本発明1026の方法。
[本発明1037]
前記投与することが、前記対象における発作の発生を減らすのに有効な条件下で実施される、本発明1026の方法。
[本発明1038]
前記投与することが、前記対象における認知障害を改善するのに有効な条件下で実施される、本発明1026の方法。
[本発明1039]
前記投与することが、脳内送達、髄腔内送達、鼻腔内送達を用いて、または、脳室への直接注入により実施される、本発明1026の方法。
[本発明1040]
前記対象がヒトである、本発明1026の方法。
本開示の第1の態様は、グリア細胞によるK+チャネル機能を回復させる方法に関するものであり、ここで、前記グリア細胞はK+取り込み障害を有する。この方法は、K+チャネル機能に障害を有するグリア細胞に、前記グリア細胞によるK+取り込みを回復させるのに有効な条件下でSMAD4阻害剤を投与することを含む。
のアミノ酸配列を有する。
を標的にする
及び、SMAD4ヌクレオチド配列の
を標的にする
を含む。SMAD4発現を阻害し、本明細書記載の方法に従って使用するのに好適な他のshRNA分子は、当技術分野において既知である。例えば、参照によって全体が本明細書に組み込まれるDoironのWO2016115558を参照のこと。
患者の識別、保護、及び試料採取。これらの細胞株が由来する患者は、青年期初期に発症した重度の統合失調症を有すると診断された。すべての患者とその保護者は、本発明者らのうちの1人(RLF)の監視下で働く小児青年精神科医に同意/承諾し、大学病院症例医療センターの施設内審査委員会の承認されたプロトコールの補助下で、その後の方針の指定について盲検化された。治験責任医師は患者IDへのアクセスを有さなかった。
この試験で使用された細胞株は、参照によって全体が本明細書に組み込まれるWindrem et al.,“Human iPSC Glial Mouse Chimeras Reveal Glial Contributions to Schizophrenia”,Cell Stem Cell,21:195-208.e6(2017)にて以前に記載され、公開された。本研究に追加される、さらなる操作である、星状細胞の分化、及び、得られた分化した星状細胞によるK+取り込みの評価は、中央の列に記載されており、正常性及び得られるCGHアレイデータは、最も右側2つの列に記載されている。これらの細胞株の核型は全て正常である。CGHアレイは、いくつかの細胞株が散在性インデルを有することを示したが、統合失調症または自閉症スペクトル疾患との関連性が以前に示されているものはなかった。
を、GE Healthcareから注文した(V3SH11252)。BAMBIヒトshRNA、及びBAMBIのcDNAは以前に生成された(全体が参照によって本明細書に組み込まれるSim et al.,“Complementary Patterns of Gene Expression by Human Oligodendrocyte Progenitors and Their Environment Predict Determinants of Progenitor Maintenance and Differentiation, ”Ann.Neurol.59:763-779(2006))。最終的な構築物を配列決定によって正しい挿入について検証した。プラスミドは次に、レンチウイルス生成のためにX-tremeGENE(Roche、06366236001)を介してpLP-VSV(Invitrogen、K497500)及びpsPAX2(Didier Tronoからの贈与、Addgene12260)とともに293FT細胞(Fisher Scientific、R70007)に同時形質移入した。次に293T細胞の上清を回収し、76000RCFで3時間スピンしてウイルスを濃縮した(Beckman L8-70、超遠心分離機)。次にウイルスの10倍連続希釈液を調製し、293T細胞に形質導入し、ウイルス滴定の推定のために蛍光コロニーを数えた。
iPSCは、以前に記載された(参照によって全体が本明細書に組み込まれるWindrem et al., “Human iPSC Glial Mouse Chimeras Reveal Glial Contributions to Schizophrenia”,Cell Stem Cell,21:195-208.e6(2017))ように、小児期に統合失調症を発症した患者から、ならびに既知の精神疾患のない健康な若年成人対照から得られた皮膚試料より作出した。年齢、性別、人種、診断、及び投薬歴が細胞株識別子に伴っていたが、治療する精神科医以外の治験責任医師は患者識別子を利用できなかった。手短に言えば、各試料から線維芽細胞を単離し、当該細胞から、患者試料と正常対照(5人の若年発症統合失調症患者及び3人の健康な性別が一致し年齢が類似した対照(表1))に由来する8つのhiPSC細胞株を得た。Oct4、Sox2、Klf4及びc-Myc(参照によって全体が本明細書に組み込まれるTakahashi et al.,“Induction of Pluripotent Stem Cells from Adult Human Fibroblasts by Defined Factors,”Cell 131:861-872(2007)、Welstead et al.,“Generating iPS Cells from MEFS Through Forced Expression of Sox-2,Oct-4,c-Myc,and Klf4,”J.Vis.Exp.14:734(2008))をコードする、切除可能なloxPに挟まれたポリシストロン性hSTEMCCAレンチウイルスを用いて、iPSCを生成した(参照によって全体が本明細書に組み込まれる(Somers et al.,“Generation of Transgene-free Lung Disease-specific Human Induced Pluripotent Stem Cells Using a Single Excisable Lentiviral Stem Cell Cassette,”Stem Cells 28:1728-1740(2010)、Zou et al.,“Establishment of Transgene-free Induced Pluripotent Stem Cells Reprogrammed from Human Stem Cells of Apical Papilla for Neural Differentiation, ”Stem Cell Res Ther 3:43(2012))。4番目のhiPSC対照株であるC27(参照によって全体が本明細書に組み込まれるChambers et al.,“Highly Efficient Neural Conversion of Human ES and iPS Cells by Dual Inhibition of SMAD Signaling, ”Nature Biotechnol.27:275-280(2009))も使用して、全てのゲノム及び表現型データが確実に以前の研究に一致することを確認した(参照によって全体が本明細書に組み込まれるWang et al.,“Human iPSC-derived Oligodendrocyte Progenitor Cells Can Myleinate and Rescue a Mouse Model of Congenital Hypomyelination, ”Cell Stem Cell 12:252-264(2013))。細胞株はすべて、多能性遺伝子発現を評価するためにRNA配列決定及び免疫標識を用いて、多能性として検証された。ショートタンデムリピート(STR)に基づくDNAフィンガープリントを用いて、各iPSC細胞株の独自性が親ドナー線維芽細胞と一致することを確認し、各細胞株を核型分析および比較ゲノムハイブリダイゼーションのアレイに供して、ゲノムの完全性を確認した。さらに、これらのiPSC株を、ゲノムワイドメチル化アレイに供して、そのメチル化状態を比較した。
SCZ GPCの星状細胞分化の欠陥に対する分子付随物を同定するために、インビトロにて154日から242日に及ぶ時点で3つの異なるCTR由来細胞株及び4つのSCZ由来細胞株からFACSによって選別したCD140a+GPCで、より早期にRNA配列決定が実施された(参照によって全体が本明細書に組み込まれるWindrem et al.,“Human iPSC Glial Mouse Chimeras Reveal Glial Contributions to Schizophrenia”,Cell Stem Cell,21:195-208.e6(2017))。Illumina HiSeq 2500プラットフォームでのRNA配列決定用のポリA選択によって、試料あたり約4,500万の1×100bpの読み取りについてこれらの細胞からmRNAが単離された。元のカウントを分析して、5%FDR及びlog2倍変化>1での疾患調節不全遺伝子が決定された。それによって、対照iPSCのhGPCと比べてCD140aで選別されたSCZのhGPCによって一貫して有意に差次的に発現された118種のmRNAが同定された(参照によって全体が本明細書に組み込まれるWindrem et al.,“Human iPSC Glial Mouse Chimeras Reveal Glial Contributions to Schizophrenia”,Cell Stem Cell,21:195-208.e6(2017))。これらの中で、グリア系列の進行に関与する多数の遺伝子が、正常な対照と比べてSCZのhGPCで下方調節されたということは、SCZ由来のグリア前駆細胞に固有の欠陥に起因して、SCZでは細胞自律的に星状膠細胞の分化が損なわれたことを示唆している。
SMAD4は、それが核に移行すると、複数の上流シグナルに共通のエフェクターとして機能し、BMP制御性遺伝子とTGFB制御性遺伝子の両方を活性化するという点において、古典的BMPシグナル伝達に必要である(全体が参照によって本明細書に組み込まれるHerhaus and Sapkota,“The Emerging Roles of Deubiquitylating Enzymes(DUBs)in the TGFbeta and BMP Pathways,”Cell Signal 26:2186-2192(2014))。このような遺伝子としてBAMBIならびにFST及びGREM1が挙げられ、これらは全て、グリア新生促進性のBMPシグナルのネガティブフィードバック制御因子として協同して作用する(全体が参照によって本明細書に組み込まれるBrazil et al.,“BMP Signaling:Agony and Antagony in the Family, ”Trends Cell Biol 25:249-264(2015)、Onichtchouk et al.,“Silencing of TGF-beta Signaling by the Pseudoreceptor BAMBI,”Nature 40:480-485(1999))(図6A)。これに基づき、hGPCにおけるSMAD4のノックダウンは、BAMBI、FST、及びGREM1の初期発現を阻害することで、hGPCから星状細胞への分化を増強し得ることが提起された。さらに、SMAD4により媒介される内因性BMP阻害因子の過剰発現に起因してSCZ hGPCの分化が遮断されるという限りにおいて、それ故にSMAD4ノックダウンはSCZ hGPCによる星状細胞分化を差別的に増強すると仮定された。この可能性を試験するために、ドキシサイクリン(DOX)によるSMAD4 shRNAiの誘導を使用して、SCZ及びCTR両方のhGPCにおけるSMAD4発現を条件的にノックダウンし、その後、qPCRにより、BMPが媒介した遺伝子の発現を評価した(図7A~7C)。SMAD4ノックダウンは実際に、BAMBI、FST、及びGREM1を含む、BMPシグナル伝達依存性遺伝子の発現を抑制したことが見いだされた(SCZ-LVスクランブル対SCZ-LV-SMAD4-shRNA;4つの異なる患者のiPSC株/群、3反復/株;BAMBIのddCt:2.56±0.35、p<0.05;FST:2.38±0.24、p<0.01;GREM1:3.04±0.45、p<0.05;全ての比較は、ANOVAとポストホックt検定による)(図6B)。重要なことに、shRNAi発現が前駆細胞段階に限定されていた、一過性のDOX誘導性SMAD4ノックダウンは、SCZ GPCの星状細胞分化を堅固に促進し、グリア分化の相対的遮断を克服して、効果的に星状細胞表現型を救出した(図6C~6D)。具体的には、SCZ GPCにおけるSMAD4ノックダウン(KD)は、GFAPにより明確にされる星状細胞分化の効率を、CTR GPCでの効率まで回復させた(GPC段階におけるSCZ-SMAD4-shRNA:56.8%±3.8%;CTR株:62.2%±4.0%;p>0.05、一元配置ANOVA;4つの異なる患者の株の平均±SE/群、n≧3反復/株)(図6C~6D)。対照的に、連続的なDOX曝露(図7Bに概略を示す)により媒介される、星状細胞誘導後の連続的なSMAD4ノックダウンは、SCZ群及びCTR群の両方において、GFAPにより明確にされる星状細胞の減少を引き起こした(図6C~6D)。したがって、成熟した星状細胞表現型の維持は、SCZ及びCTR星状細胞において同様に、進行中のSMAD4シグナル伝達を必要とするようである。
SCZ GPCの星状細胞分化の障害に加えて、RNA配列決定のデータは、上手く分化した星状細胞がそれにもかかわらず機能的に障害がある可能性があることを示唆していた。具体的には、Na+-K+ATPアーゼ、Na+-K+/2Cl-共輸送体(NKCC)、及びKirファミリー内向き整流性カリウムチャネルを含む幅広いセットのカリウムチャネル(KCN)をコードする遺伝子の転写がSCZ GPCにおいて下方調節されていたことがRNA配列決定により明らかとなった(図8A)(参照によって全体が本明細に組み込まれるWindrem et al.,“Human iPSC Glial Mouse Chimeras Reveal Glial Contributions to Schizophrenia”,Cell Stem Cell,21:195-208.e6(2017))。これらは全て、星状細胞によるカリウム取り込みに重要な役割を担うものである(参照によって全体が本明細書に組み込まれるLarsen et al.,“Contributions of the Na(+)/K(+)-ATPase,NKCC1,and Kir4.1 to Hippocampal K(+)Clearance and Volume Responses”,Glia,62:608-622(2014)、Macaulay及びZeuthen,”Glial K(+)Clearance and Cell Swelling:Key Roles for Cotransporters and Pumps”,Res.Neurochem.37:2299-2309(2012))(図9A)。これらの調節不全KCN遺伝子の中でも、それぞれNa+/K+-ATPアーゼポンプ、NKCC1 Na+/K+/2Cl-共輸送体、及びKir3.3電位依存性K+チャネルをコードするATP1A2、SLC12A6、及びKCNJ9(参照によって全体が本明細書に組み込まれるBottger et al.,“Glutamate-System Defects Behind Psychiatric Manifestations in a Familial Hemiplegic Migraine Type 2 Disease-Mutation Mouse Model”,Sci.Rep.6:22047(2016)、Gamba及びFriedman,“Thick Ascending Limb:The Na(+):K(+):2Cl(-)Cotransporter,NKCC2,and the Calcium-Sensing Receptor,CaSR”,Pflugers Arch.458:61-76(2009)、Lesage et al.,“Molecular Properties of Neuronal G-Protein-Activated Inwardly Rectifying K+ Channels”,J.Biol.Chem.270:28660-28667(1995))は、4つの対照細胞株と比べて評価された4つのSCZ細胞株すべてにおいて一貫して実質的に下方調節されていた。これらの知見によって、SCZグリアによるK+取り込みの広範な障害が示唆された。
これらのデータは、小児期に発症する精神分裂病患者に由来するGPCにおいて星状細胞分化に障害が生じ、この成熟欠損は、SMAD4ノックダウンによるBMPシグナル伝達のいずれかを抑制することにより、救出され得ることを示している。重要なことに、統合失調症患者の皮質領域と皮質下領域の双方での星状細胞の枯渇が最近認められており、これは白質で特に顕著である可能性がある(Rajkowska et al.,“Layer-specific Reductions in GFAP-reactive Astroglia in the Dorsolateral Prefrontal Cortex in Schizophrenia”,Schizophr.Res.57:127-138(2002)、Steffek et al.,“Cortical Expression of Glial Fibrillary Acidic Protein and Glutamine Synthetase is Decreased in Schizophrenia”,Schizophr.Res.103:71-82(2008)、Williams et al.,“Astrocyte Decrease in the Subgenual Cingulate and Callosal Genu in Schizophrenia”,Eur.Arch.Psychiatry Clin.Neurosci.263:41-52(2013)、これらは参照によって全体が本明細に組み込まれる)。星状細胞は神経回路の形成及び安定性に重要な貢献を担う(Christopherson et al.,“Thrombospondins are Astrocyte-secreted Proteins that Promote CNS Synaptogenesis”,Cell,120:421-433(2005)、Clarke and Barres,“Emerging Roles of Astrocytes in Neural Circuit Development”,Nature Reviews Neuroscience,14:311-321(2013)、これらは参照によって全体が本明細書に組み込まれる)。したがって、SCZ GPCにおける星状細胞分化のそのような発達上の欠陥は、神経回路の初期形成または安定性に深刻な欠陥をもたらす可能性があり、統合失調症の特徴の1つである欠陥である(Penzes et al.,“Dendritic Spine pathology in Neuropsychiatric Disorders”,Nat.Neurosci.14:285-293(2011)、これは参照によって全体が本明細書に組み込まれる)。これに関し、RNA-seqデータは、SCZ GPCにおけるTGFBR及びBMPシグナル伝達の上方調節を示唆し、これは、グリア新生促進性のBMPシグナル伝達の競合阻害因子であるBAMBIを含んだ、BMPが調節する下流での遺伝子の活性化と関連していた(全体が参照によって本明細書に組み込まれるOnichtchouk et al.,“Silencing of TGF-beta Signaling by the Pseudoreceptor BAMBI, ”Nature 40:480-485(1999))。成人ヒトGPCにおけるBAMBIの高発現は、BMP4により誘導される星状細胞分化を有意に阻害したことが、以前に記載されており(全体が参照によって本明細書に組み込まれるSim et al.,“Complementary Patterns of Gene Expression by Human Oligodendrocyte Progenitors and Their Environment Predict Determinants of Progenitor Maintenance and Differentiation, ”Ann.Neurol.59:763-779(2006))、このことは、正常な対照hGPCと比較して、SCZ hGPCにおける、BMPシグナル伝達が誘導したBAMBI発現の病理学的増加は、成熟星状細胞としてのそれらの分化を抑制するのに十分であり得ることを示唆している。BAMBIの他に、FST及びGREM1を含む、TGFβ/BMPシグナル伝達のいくつかの他の阻害因子(全体が参照によって本明細書に組み込まれるBrazil et al.,“BMP Signalling:Agony and Antagony in the Family, ”Trends Cell Biol 25:249-264(2015))もまた、SCZ GPCにより上方調節された。これらによって、SCZ hGPCが、BAMBIノックダウンの後であっても、星状細胞となる運命を避けた可能性がある。
Claims (31)
- SMAD4阻害剤を含む、K+チャネル機能に障害があるグリア細胞によるK+取り込みを回復させるための組成物であって、
K+チャネル機能に障害を有する前記グリア細胞に、前記グリア細胞によるK+取り込みを回復させるのに有効な条件下で投与され、かつ
前記SMAD4阻害剤が、SMAD4アンチセンスオリゴヌクレオチド、SMAD4 shRNA、及びSMAD4 siRNAからなる群より選択される阻害性核酸分子である、前記組成物。 - 前記グリア細胞がグリア前駆細胞である、請求項1に記載の組成物。
- グリア前駆細胞の星状細胞への分化を回復させるのに有効な条件下で投与される、請求項2に記載の組成物。
- 前記グリア細胞が星状細胞である、請求項1に記載の組成物。
- グリア細胞送達用に製剤化されている、請求項1に記載の組成物。
- K+チャネル機能に障害がある前記グリア細胞が、統合失調症を有する対象のグリア細胞である、請求項1に記載の組成物。
- SMAD4阻害剤を含む、対象においてグリア細胞によるK+取り込みを回復させるための組成物であって、
グリア細胞のK+取り込みに障害がある対象に、前記グリア細胞によるK+取り込みを回復させるのに有効な条件下で投与され、かつ
前記SMAD4阻害剤が、SMAD4アンチセンスオリゴヌクレオチド、SMAD4 shRNA、及びSMAD4 siRNAからなる群より選択される阻害性核酸分子であり、かつ
前記対象が統合失調症を有するか、またはそのリスクがある、前記組成物。 - 前記グリア細胞がグリア前駆細胞である、請求項7に記載の組成物。
- 前記対象においてグリア前駆細胞の星状細胞への分化を回復させるのに有効な条件下で投与される、請求項8に記載の組成物。
- 前記グリア細胞が星状細胞である、請求項7に記載の組成物。
- 星状細胞のK+ホメオスタシスを回復させるのに有効な条件下で投与される、請求項10に記載の組成物。
- グリア細胞送達用に製剤化されている、請求項7に記載の組成物。
- 前記SMAD4阻害剤が、ナノ粒子送達ビヒクルにパッケージングされている、請求項7に記載の組成物。
- 前記送達ビヒクルが、グリア細胞ターゲティング部分を含む、請求項13に記載の組成物。
- 前記対象における神経細胞の興奮性を低下させるのに有効な条件下で投与される、請求項7に記載の組成物。
- 前記対象における発作の発生を減らすのに有効な条件下で投与される、請求項7に記載の組成物。
- 前記対象における認知障害を改善するのに有効な条件下で投与される、請求項7に記載の組成物。
- 脳内送達、髄腔内送達、もしくは鼻腔内送達を用いて、または、脳室への直接注入により投与される、請求項7に記載の組成物。
- 前記対象がヒトである、請求項7に記載の組成物。
- SMAD4阻害剤を含む、統合失調症を有するかまたはそのリスクがある対象における統合失調症を治療するかまたはその発症を阻害するための組成物であって、
前記対象における前記統合失調症を治療するかまたはその発症を阻害するのに有効な条件下で投与され、かつ
前記SMAD4阻害剤が、SMAD4アンチセンスオリゴヌクレオチド、SMAD4 shRNA、及びSMAD4 siRNAからなる群より選択される阻害性核酸分子であり、かつ
対象においてグリア細胞によるK + 取り込みを回復させる、前記組成物。 - 前記グリア細胞がグリア前駆細胞である、請求項20に記載の組成物。
- 前記対象においてグリア前駆細胞の星状細胞への分化を回復させるのに有効な条件下で投与される、請求項21に記載の組成物。
- 前記グリア細胞が星状細胞である、請求項20に記載の組成物。
- グリア細胞送達用に製剤化されている、請求項20に記載の組成物。
- 前記SMAD4阻害剤が、ナノ粒子送達ビヒクルにパッケージングされている、請求項20に記載の組成物。
- 前記送達ビヒクルが、グリア細胞ターゲティング部分を含む、請求項25に記載の組成物。
- 前記対象における神経細胞の興奮性を低下させるのに有効な条件下で投与される、請求項20に記載の組成物。
- 前記対象における発作の発生を減らすのに有効な条件下で投与される、請求項20に記載の組成物。
- 前記対象における認知障害を改善するのに有効な条件下で投与される、請求項20に記載の組成物。
- 脳内送達、髄腔内送達、もしくは鼻腔内送達を用いて、または、脳室への直接注入により投与される、請求項20に記載の組成物。
- 前記対象がヒトである、請求項20に記載の組成物。
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US9724432B2 (en) | 2015-04-30 | 2017-08-08 | University Of Rochester | Non-human mammal model of human degenerative disorder, uses thereof, and method of treating human degenerative disorder |
JP7457505B2 (ja) | 2017-05-10 | 2024-03-28 | ユニバーシティー オブ ロチェスター | 神経精神障害を処置する方法 |
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