JP2020529992A - 心外傷後の心機能を増強することができる皮質骨幹細胞由来のエキソソーム - Google Patents
心外傷後の心機能を増強することができる皮質骨幹細胞由来のエキソソーム Download PDFInfo
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Abstract
Description
本出願は、2017年8月1日に出願された米国仮出願62/539,612号の優先権を主張し、その全体が、参照により本明細書に組み込まれる。
本発明は、皮質骨由来幹細胞(CBSC)由来のエキソソーム及びそれに由来する組成物を手供する。一実施形態において、エキソソームが由来する細胞は、多能性である。他の実施形態において、エキソソームが由来する細胞は、心筋細胞に分化することができる。本発明はまた、心疾患の治療においてCBSC由来のエキソソームを使用する方法を含む。
特に定義されない限り、本明細書で使用される全ての技術用語及び科学用語は、本発明が属する技術分野における当業者によって一般的に理解されることと同じ意味を有する。
本発明は、心臓の疾患、障害、及び傷害の治療における治療的使用のためのエキソソームに関する。本発明はまた、心外傷の治療のための1つ以上のRNA分子の治療的使用に関する。一実施形態において、RNA分子は、エキソソームに包み込まれる。一実施形態において、エキソソームは、CBSC由来のエキソソームである。
本発明は、単離されたCBSC由来のエキソソーム、CBSC由来のエキソソームを含む組成物、及び少なくとも1つのRNA分子を含む組成物を提供する。本組成物の単離されたCBSC由来のエキソソームは、限定されないが、ヒト、霊長類、イヌ、ネコ、ウシ、ヒツジ、ブタ、及びげっ歯類を含む何れかの哺乳動物の供給源から得られ得る。加えて、CBSC由来のエキソソームは、それらが投与される対象に関して自家又は異種であり得る。CBSC由来のエキソソームは、必ずしもそうではないが、その後、CBSC由来のエキソソームが投与される対象から得られたCBSCに由来し得る。いくつかの実施形態において、CBSC由来のエキソソームは、患者以外の1人以上の固体から取得される(すなわち、異種CBSC由来のエキソソーム)。特定の実施形態において、CBSC由来のエキソソームは、2つ以上のドナーから得られたCBSCからのCBSC由来のエキソソームのプールを起源とする。
他の実施形態において、本発明のCBSC由来のエキソソームは、例えば、外因性(例えば導入)遺伝子(「導入遺伝子」)を発現するため、又は内因性遺伝子の発現を抑制するために、遺伝的に改変されたCBSCに由来し得る。この方法によれば、本発明のCBSC由来のエキソソームは、導入遺伝子を含む核酸を含む遺伝子導入ベクターに曝されたCBSCに由来し、導入遺伝子が細胞内で発現されるために適した条件下で核酸が細胞に導入される。導入遺伝子は一般に、適切なプロモーターに動作可能に連結されたポリヌクレオチドを含む発現カセットであり得る。ポリヌクレオチドは、タンパク質をコードすることができ、又は生物学的に活性なRNA(例えば、アンチセンスRNA又はリボザイム)をコードすることができる。遺伝子導入技術を使用して所定の導入遺伝子を送達することが望ましい場合、導入遺伝子配列は、一般的に公知である。
皮質骨細胞は、本発明のCBSC由来エキソソームの供給源として使用され得る。一実施形態において、本発明のCBSC由来のエキソソームは、心臓修復を促進することができる。一実施形態において、本発明のCBSC由来のエキソソームは、筋形成を促進することができる。他の実施形態において、本発明のCBSC由来のエキソソームは、血管新生を促進することができる。従って、本発明のCBSC由来のエキソソームは、傷害又は疾患に起因する損傷をうけた心臓組織を治療するために用いられ得る。本明細書で使用する治療という用語は、直接的又は間接的に修復、交換、増強、改善、救助、再増殖、又は再生することを含むことを当業者は理解するだろう。
本発明の一態様において、条件付き不死化幹細胞を使用してエキソソームが産生される。これらの条件付き不死化幹細胞は、典型的に皮質骨由来幹細胞であるが、例えば、造血幹細胞又は間葉系幹細胞等の何れかのタイプの幹細胞であり得る。従って、本明細書に記載されるように、条件付き不死化幹細胞を培養し、その細胞によって産生されたエキソソームを採取する工程を含む幹細胞エキソソームを産生する方法が提供される。条件付き不死化幹細胞は、当該技術分野で周知である。混同を避けるために、当該方法は、CBSCの使用に限定されない。
幹細胞によるエキソソームの産生を増加させることが可能である。皮質骨由来幹細胞に限定されず、何れかの幹細胞由来のエキソソームの産生に使用され得る当該利点は、幹細胞培養から得られるエキソソームの収率を向上させることができる。
本発明は、部分的には、CBSC由来のエキソソームが虚血性心臓に注射された際、アポトーシスを防ぎかつ、心筋修復を促進することに有効であるという発見に基づいている。
本発明のCBSC由来のエキソソーム、及び本発明のRNAは、治療において有用であり、従って、単独又は組み合わせて医薬組成物として製剤化され得る。医薬的に許容される組成物は、典型的に、本発明のエキソソーム及び/又はRNAに加えて、少なくとも1つの医薬的に許容される担体、希釈剤、ビヒクル及び/又は賦形剤を含む。適切な担体の例は、乳酸リンゲル溶液である。このような成分の詳細な説明は、以下の文献で提供される:Gennaro (2000) Remington: The Science and Practice of Pharmacy. 20版。
内因性心筋、血管新生による心臓保護、及び修復を促進する内因性幹細胞の補充を増強するパラクリン因子の分泌は、幹細胞を介した心臓修復の可能性のあるメカニズムの1つである(Tang et al., 2010, Circulation 121:293-305; Rota et al., 2008, Circ Res 103:107-116; Zeng et al., 2007, Circulation 115:1866-1875; Li et al., 2012, J Am Coll Cardiol 59:942-953)。従って、パラクリン効果の主要部分であると思われるエキソソームは、治療薬としての細胞の使用に変わるものを提供する。
CBSCは、以前に報告されているように(Duran et al., 2013, Circ Res., 113(5):539-52; Mohsin et al., 2015, Circ Res., 117(12):1024-33)C57BL/6マウスから単離され、順化培地(基本培地+エキソソームを含まないFBS)で維持された。スクロース勾配超遠心分離によりエキソソームが、CBSC培地から採取された(Khan et al., 2015, Circ Res., 117(1):52-64)。透過型電子顕微鏡及び動的光散乱(DLS)を使用して、エキソソームのサイズが確認された(図1A〜図1C)。
MI後の幹細胞が媒介する心機能の改善のメカニズムに関して、いくつかの重要な仮説が浮上している(Baraniak et al., 2010, Regen Med., 5(1):121-43)。可能性の高いメカニズムの1つは、宿主の筋細胞、特にMI境界部の筋細胞の保護又は救済である。MIコアを囲む領域での筋細胞の死滅は、梗塞の拡大に繋がり、これらの筋細胞の保護は、心機能の改善及び心収縮性量の増加をもたらすと考えられる。この保護が、エキソソームを介して達成されるという概念の証拠を提供するために、in vitro実験が行われた。新生ラット心室筋細胞(NRVM)は、CBSC及びCBSCに由来するエキソソームで処理され、その後、細胞死を誘導するために酸化ストレスに曝された。CBSC及びCBSCに由来するエキソソームの両方で処理すると、タネル陽性(アポトーシス)NRVMSの数が減少した(図1D〜1G)。
マウスでの研究は、永久性閉塞MIを使用して実施された(Makarewich et al., 2014, Circ Res., 115(6):567-580; Duran et al., 2013, Circ Res., 113(5):539-52)。心臓傷害後、マウスCBSCに由来するエキソソームが、単離され、定量化された(Khan et al., 2015, Circ Res., 117(1):52-64)。ベースライン心エコー検査(ECHO)(Duran et al., 2013, Circ Res., 113(5):539-52)の後、MIが誘導された(0日目)。CBSCに由来するエキソソーム(60〜120μgタンパク質)は、以前に報告されたように、MI境界部に直接注射された(Duran et al., 2013, Circ Res., 113(5):539-52)。MIの時点でミニポンプを含むEdUが挿入され、7日後に取り外し、以前の研究の報告のように、増殖細胞を特定した(Duran et al., 2013, Circ Res., 113(5):539-52)。動物は、MIの1週間及び6週間後に屠殺された。ECHO分析は、これらの時点で全ての動物で実施された。MI傷害モデルを用いた研究は、CBSCに由来するエキソソームがMI後のマウスにおいてCBSCと同じ有益な効果を発揮できることを示唆する(図2A〜図2B、図3)。同様に、CBSCに由来するエキソソームは、血管を形成する能力を有することが示された。エキソソームが注射されたマウスでは、血管密度が増加した(図4)。同様に、CBSC又はCBSCに由来するエキソソームで処理したマウスは、MI後に、生理食塩水で処理した動物と比較して線維化の減少を示した(図2C〜D)。加えて、CBSC及びCBSCに由来するエキソソームは、MI後2日目のタネル染色細胞の減少により実証された心臓保護を示した(図2E〜図2F)。これらの結果は、CBSC由来のエキソソームが、少なくとも部分的に、CBSCの抗繊維症、血管新生、及び心臓保護機能の原因であるという見解を強く支持する。
傷害を受けた心筋は、死滅した細胞を除去し、瘢痕形成を調節する免疫細胞を引き付ける多くの抗炎症促進細胞を放出する(Frangogiannis, 2006, Antioxid Redox Signal, 8:1907-1939; Pfeffer and Braunwald, 1990, Circulation 81:1161-1172)。移植された幹細胞が心臓の炎症/免疫反応に及ぼす影響が、修復特性に関与しているという見解は、重要な研究の領域である。本明細書に提示されたデータは、CBSCセクレトーム(secretome)が、心臓免疫反応を調節して障害後の修復を増強する能力を有する心臓保護因子からなることを示唆する。組織学的分析は、MI後7日目に生理食塩水で処理した動物を比較して、CBSC処理後、CD86(炎症誘発性マクロファージのマーカー)の発現が、3.7倍減少したことが示された(図5C)。さらに、CBSC及びCBSCに由来するエキソソーム処理動物の血清分析は、サイトカインプロファイラーアレイ(R&Dシステム)で測定した生理食塩水コントロールと比較して、TNF−α、CXCL10、CXCL1、CCL2、CCL12、CCL9を含む炎症誘発性サイトカインの発現が有意に少ないことを示した(図5B及び図5C)。並行して、SDF−1及びM−CSFの発現は、CBSC動物で上昇した。これらの発見は、mRNA発現分析によってさらに検証され、CBSC及びCBSCに由来するエキソソームで処理された動物の境界部において炎症誘発性因子の有意な減少及び抗炎症性サイトカイン発現増加を示した(図5A)。加えて、全血球増殖性のマーカーであるCD45の発現は、FACS分析によって測定されたMIの7日後(図6B)及び14日後(図6E)のCBSC由来のエキソソームと生理食塩水で処理した動物の間で変化しなかった。これは、CBSC由来のエキソソームは、全体の細胞数を変化させず、免疫細胞サブセットのバランスを抗炎症状態にシフトさせる可能性があることを示唆する(図6C〜図6D及び図6F〜図6G)。まとめると、CBSC由来のエキソソームは、心筋細胞の生存を促進し、MI後の心臓の心臓免疫応答を調節することによって、心機能を強化する。心臓免疫細胞を単離するための手順を図6Aに示す。MIの14日後に心臓にCBSCを移植した後、CD3+細胞の発現が減少した(図7A)。同様に、CD4+陽性細胞の発現は、生理食塩水で処理した動物に対するCBSC及びCBSC−Exo移植動物におけるFACS分析により測定されたCD8+T細胞サブセットの数の減少と共に増加した(図7C〜D)。興味深いことに、CBSC及びCBSC−Exoの心臓では、foxp3+細胞が増加している(図7B)。in vitroでの免疫調節の能力をテストするために、骨髄から単離されたマクロファージ(BMDMΦ)をトランスウェルシステムでLPSの存在下でCBSCと4時間共培養し、未処理のBMDMΦをコントロールとして使用した。CBSCは、BMDMΦの抗炎症表現型を促進するCBSCの心保護因子の能力を示す抗炎症サイトカインIL−10の発現の増加と並行して、LPS治療と比較してBMDMの炎症促進性因子の有意な減少を誘導した(図8A)。同時に、LPS処理と比較して、CBSC培地で処理したBMDMΦにおいて、PEコンジュゲート食作用ビーズのトロ込みの増加が観察された(図8B)。まとめると、これらのデータは、CBSC及びCBSC由来のエキソソームが、心筋傷害後の心臓の心臓免疫細胞応答を調節することを示唆する。
CBSCに由来するエキソソームが、従来の研究で観察された有益な効果の原因となる心臓保護因子を送達するか否かを判断することは非常に重要である。CBSCは、心臓修復性パラクリン因子が包含された新規幹細胞である(Mohsin et al., 2015, Circ Res., 117(12):1024-33)。最近の研究では、損傷した心臓への注射後数日で注射された細胞が消失することが示唆されている(Gallina et al., 2015, Stem Cells Int., 2015:765846)。従って、有益な効果は、これらの細胞に由来するエキソソームの存在による可能性がある。CBSC(親細胞)とCBSCに由来するエキソソームを比較して得られた現在のデータは、エキソソーム内のmiRのパッケージング(packaging)を示した(図9A、図9B)。CBSCに由来するエキソソームは、他の幹細胞型の内皮前駆細胞(EPC)由来のエキソソームと比較され、それらはCBSCに由来するエキソソームとは異なるタイプと量のmiRが含まれる(図9B)。これらの結果は、CBSCに由来するエキソソームが、MI後の心臓に特定の効果をもたらす一連の特徴的な分子を送達することを示す。
げっ歯類を除く患者の心機能を改善する治療法を開発するため、CBSCが、臨床的に適切な設定で大型動物モデルに盲検法で注射された。MIの誘導技術は、大型動物の中心実験室(large animal core laboratory)において確立されている(Khan et al., 2015, Circ Res., 117(1):52-64; Baraniak et al., 2010, Regen Med., 5(1):121-43)。簡単に説明すると、MIは、ミニブタで90〜120分間、第1対角枝直後に左前下行枝を閉塞するために使用されるバルーンカテーテルの経皮挿入によって誘導された。バルーン閉塞は、血管造影によって確認された。閉塞期間の後、バルーンを収縮させ、動物を回復させた。偽薬の動物は、バルーンが膨らまなかったことを除いて手順が同じだった。これらの手法は、近年の他の研究で使用されている。心臓の構造及び機能は、局所歪み分析を含むECHO、及びMI前後に行われた侵襲的血行動態(圧力及び容積)測定で評価された。梗塞サイズは、MI誘導後の左心室の心内膜表面のNOGAマッピング(図10A、図10B)によって決定された。MI後NOGAマップを使用して、CBSCのMI境界領域への注射を先導した。記載されるように、梗塞の境界付近で10回の注射が行われた(Taghavi et al., 2012, Am J Transl Res., 4(2):240-6)。動物は、MI後1か月間評価された。CBSCを注射した動物は、瘢痕サイズの減少を示した(図10C)。
Claims (13)
- 単離された皮質骨幹細胞(CBSC)由来のエキソソームを含む、対象の心血管疾患又は障害を治療するための組成物。
- 少なくとも1つのRNA分子をさらに含む、請求項1に記載の組成物。
- 前記RNA分子が、miR−142、miR−16、miR−21、miR−124、miR−126、miR−15、miR−29、miR−9、let−7、miR−24、miR−27、miR−30、miR−22、miR−140、miR−155、miR−130、miR−322、miR−17、miR−125、miR−29、miR−872、miR−32、miR−19、miR−191、miR−126、miR−93、miR−146、miR−196、miR−30、miR−18、miR−28、miR−23、miR−150、miR−92、miR−10、miR−106、miR−34、miR−503、miR−25、miR−96、miR−31、miR−15、miR−10、miR−144、miR−467、miR−99、miR−880、miR−199、miR−488、miR−182、miR−291、miR−186、miR−541、miR−302、miR−183、miR−411、miR−295、miR−1、miR−214、miR−138、miR−425、miR−218、miR−335、miR−101、miR−141、miR−744、miR−39、miR−142a−5p、miR−16−5p、miR−142a−3p、miR−21a−5p、miR−124−3p、miR−126a−3p、miR−15a−5p、miR−29b−3p、miR−9−5p、let−7c−5p、miR−24−3p、miR−27a−3p、miR−30e−5p、miR−22−3p、miR−30a−5p、let−7a−5p、miR−30d−5p、miR−140−5p、let−7f−5p、miR−155−5p、miR−130a−3p、let−7b−5p、miR−322−5p、miR−17−5p、miR−27b−3p、miR−125b−5p、miR−29a−3p、miR−872−5p、miR−32−5p、miR−19b−3p、miR−191−5p、miR−126a−5p、miR−93−5p、miR−146a−5p、miR−196b−5p、let−7i−5p、miR−20a−5p、miR−18a−5p、miR−28c、miR−23b−3p、miR−150−5p、miR−92a−3p、miR−10a−5p、let−7d−5p、miR−196a−5p、miR−23a−3p、miR−106b−5p、miR−34c−5p、miR−503−5p、miR−25−3p、miR−7g−5p、miR−96−5p、miR−31−5p、miR−30c−5p、miR−15b−5p、miR−10b−5p、miR−144−3p、miR−467e−5p、miR−125a−5p、miR−99a−5p、miR−880−3p、miR−19a−3p、miR−199a−5p、miR−488−3p、miR−182−5p、miR−291a−3p、miR−186−5p、miR−541−5p、miR−302d−3p、miR−183−5p、let−7e−5p、miR−140−3p、miR−411−5p、miR−295−3p、miR−1a−3p、miR−214−3p、miR−138−5p、miR−425−5p、miR−218−5p、miR−335−5p、miR−101a−3p、miR−141−3p、miR−744−5p、miR−467c−5p、miR−39−3p、SNORD61、SNORD68、SNORD72、SNORD95、SNORD96A、RNU6−6P、その変異体、派生物、及び組み合わせ、からなる群から選択される少なくとも1つである、請求項2に記載の組成物。
- 医薬的に許容される賦形剤、担体、又は希釈剤をさらに含む、請求項1に記載の組成物。
- 少なくとも1つのRNA分子を含む、対象の心血管疾患又は障害を治療するための組成物。
- 前記RNA分子が、miR−142、miR−16、miR−21、miR−124、miR−126、miR−15、miR−29、miR−9、let−7、miR−24、miR−27、miR−30、miR−22、miR−140、miR−155、miR−130、miR−322、miR−17、miR−125、miR−29、miR−872、miR−32、miR−19、miR−191、miR−126、miR−93、miR−146、miR−196、miR−30、miR−18、miR−28、miR−23、miR−150、miR−92、miR−10、miR−106、miR−34、miR−503、miR−25、miR−96、miR−31、miR−15、miR−10、miR−144、miR−467、miR−99、miR−880、miR−199、miR−488、miR−182、miR−291、miR−186、miR−541、miR−302、miR−183、miR−411、miR−295、miR−1、miR−214、miR−138、miR−425、miR−218、miR−335、miR−101、miR−141、miR−744、miR−39、miR−142a−5p、miR−16−5p、miR−142a−3p、miR−21a−5p、miR−124−3p、miR−126a−3p、miR−15a−5p、miR−29b−3p、miR−9−5p、let−7c−5p、miR−24−3p、miR−27a−3p、miR−30e−5p、miR−22−3p、miR−30a−5p、let−7a−5p、miR−30d−5p、miR−140−5p、let−7f−5p、miR−155−5p、miR−130a−3p、let−7b−5p、miR−322−5p、miR−17−5p、miR−27b−3p、miR−125b−5p、miR−29a−3p、miR−872−5p、miR−32−5p、miR−19b−3p、miR−191−5p、miR−126a−5p、miR−93−5p、miR−146a−5p、miR−196b−5p、let−7i−5p、miR−20a−5p、miR−18a−5p、miR−28c、miR−23b−3p、miR−150−5p、miR−92a−3p、miR−10a−5p、let−7d−5p、miR−196a−5p、miR−23a−3p、miR−106b−5p、miR−34c−5p、miR−503−5p、miR−25−3p、miR−7g−5p、miR−96−5p、miR−31−5p、miR−30c−5p、miR−15b−5p、miR−10b−5p、miR−144−3p、miR−467e−5p、miR−125a−5p、miR−99a−5p、miR−880−3p、miR−19a−3p、miR−199a−5p、miR−488−3p、miR−182−5p、miR−291a−3p、miR−186−5p、miR−541−5p、miR−302d−3p、miR−183−5p、let−7e−5p、miR−140−3p、miR−411−5p、miR−295−3p、miR−1a−3p、miR−214−3p、miR−138−5p、miR−425−5p、miR−218−5p、miR−335−5p、miR−101a−3p、miR−141−3p、miR−744−5p、miR−467c−5p、miR−39−3p、SNORD61、SNORD68、SNORD72、SNORD95、SNORD96A、RNU6−6P、その変異体、派生物、及び組み合わせ、からなる群から選択される少なくとも1つである、請求項5に記載の組成物。
- 医薬的に許容される賦形剤、担体、又は希釈剤をさらに含む、請求項5に記載の組成物。
- 対象における少なくとも1つの心血管疾患又は障害を治療する方法であって、CBSC由来のエキソソーム及びRNA分子からなる群から選択される少なくとも1つを含む、治療有効量の組成物を前記対象に投与することを含む、方法。
- 前記RNA分子が、miR−142、miR−16、miR−21、miR−124、miR−126、miR−15、miR−29、miR−9、let−7、miR−24、miR−27、miR−30、miR−22、miR−140、miR−155、miR−130、miR−322、miR−17、miR−125、miR−29、miR−872、miR−32、miR−19、miR−191、miR−126、miR−93、miR−146、miR−196、miR−30、miR−18、miR−28、miR−23、miR−150、miR−92、miR−10、miR−106、miR−34、miR−503、miR−25、miR−96、miR−31、miR−15、miR−10、miR−144、miR−467、miR−99、miR−880、miR−199、miR−488、miR−182、miR−291、miR−186、miR−541、miR−302、miR−183、miR−411、miR−295、miR−1、miR−214、miR−138、miR−425、miR−218、miR−335、miR−101、miR−141、miR−744、miR−39、miR−142a−5p、miR−16−5p、miR−142a−3p、miR−21a−5p、miR−124−3p、miR−126a−3p、miR−15a−5p、miR−29b−3p、miR−9−5p、let−7c−5p、miR−24−3p、miR−27a−3p、miR−30e−5p、miR−22−3p、miR−30a−5p、let−7a−5p、miR−30d−5p、miR−140−5p、let−7f−5p、miR−155−5p、miR−130a−3p、let−7b−5p、miR−322−5p、miR−17−5p、miR−27b−3p、miR−125b−5p、miR−29a−3p、miR−872−5p、miR−32−5p、miR−19b−3p、miR−191−5p、miR−126a−5p、miR−93−5p、miR−146a−5p、miR−196b−5p、let−7i−5p、miR−20a−5p、miR−18a−5p、miR−28c、miR−23b−3p、miR−150−5p、miR−92a−3p、miR−10a−5p、let−7d−5p、miR−196a−5p、miR−23a−3p、miR−106b−5p、miR−34c−5p、miR−503−5p、miR−25−3p、miR−7g−5p、miR−96−5p、miR−31−5p、miR−30c−5p、miR−15b−5p、miR−10b−5p、miR−144−3p、miR−467e−5p、miR−125a−5p、miR−99a−5p、miR−880−3p、miR−19a−3p、miR−199a−5p、miR−488−3p、miR−182−5p、miR−291a−3p、miR−186−5p、miR−541−5p、miR−302d−3p、miR−183−5p、let−7e−5p、miR−140−3p、miR−411−5p、miR−295−3p、miR−1a−3p、miR−214−3p、miR−138−5p、miR−425−5p、miR−218−5p、miR−335−5p、miR−101a−3p、miR−141−3p、miR−744−5p、miR−467c−5p、miR−39−3p、SNORD61、SNORD68、SNORD72、SNORD95、SNORD96A、RNU6−6P、その変異体、派生物、及び組み合わせ、からなる群から選択される少なくとも1つである、請求項8に記載の方法。
- 前記心血管疾患が、心筋傷害である、請求項8に記載の方法。
- 前記心筋傷害が、動脈疾患、アテローム、アテローム性動脈硬化症、動脈硬化症、冠動脈疾患、不整脈、狭心症、うっ血性心疾患、虚血性心筋症, 心筋梗塞、脳卒中、一過性脳虚血発作、大動脈瘤、心臓心膜炎、感染症、炎症、弁閉鎖不全症、血管凝固欠陥、及びそれらの組み合わせ、からなる群から選択される少なくとも1つである、請求項10に記載の方法。
- 前記組成物が、直接注射、静脈注入、及び動脈注入からなる群から選択される少なくとも1つによって前記対象に投与される、請求項8に記載の方法。
- 前記組成物が、医薬的に許容される賦形剤、担体、又は希釈剤をさらに含む、請求項8に記載の方法。
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