JP2013542192A - マクロオートファジーの異常を伴う疾患の診断、予防、治療及びフォローアップのための、miRNAの使用 - Google Patents
マクロオートファジーの異常を伴う疾患の診断、予防、治療及びフォローアップのための、miRNAの使用 Download PDFInfo
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- 230000035897 transcription Effects 0.000 description 1
- 238000001890 transfection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001228 trophic effect Effects 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 230000004614 tumor growth Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000034512 ubiquitination Effects 0.000 description 1
- 238000010798 ubiquitination Methods 0.000 description 1
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Abstract
【選択図】図6
Description
・miRNAは、有機分子及び天然のアンチセンス相互作用物質である。
・miRNA発現プロファイルが病状を診断するのに使用可能であり、ダウンレギュレートされたmiRNAが疾患の開始及び発現に寄与する。
・miRNAは、幾つかの遺伝子の発現を直ちに組織化することによって生物学的及び病理学的プロセスを制御・調節する能力を有する。
・ヒト疾患を模倣するマウスモデルにより、miRNAが様々な疾患で重要な役割を果たし、治療用分子として使用可能であることが示されている(Melnikova I 2007)。
・miRNAの小さいサイズ(22〜24ヌクレオチド長)及びその有機性により、miRNAは医薬品開発にとって非常に魅力的である。
・miR−376ファミリーに属する少なくとも1種のmiRNA又は前記ファミリーに属するmiRNAの少なくとも1種の阻害剤を、前記オートファジーが生じている細胞に供給するステップ
・前記miRNA又はその阻害剤を用いてオートファジーを阻害又は開始するステップ
miR−376ファミリーに属する少なくとも1種のmiRNAの過剰量を、前記過剰なオートファジーが生じている細胞又は生体に供給するステップと、
少なくとも1つのオートファジー関連遺伝子を抑制するステップと、
前記遺伝子を制御下に置くことにより過剰なオートファジーを阻害するステップと、
を含む。
miR−376ファミリーに属するmiRNAの少なくとも1種の阻害剤の過剰量を、オートファジーの欠損を有する細胞に供給するステップと、
前記miRNAを抑制するステップと、
オートファジー関連遺伝子が抑制されないようにするステップと、
前記オートファジー関連遺伝子を用いてオートファジーを開始するステップと、
を含む。
オートファジーを調節するmiRNAを見つけ出すために、MCF−7乳癌細胞の無作為スクリーニングを、GFP融合Atg8/LC3(GFP−LC3)をオートファジーマーカーとして用いて行った。MCF−7乳癌細胞を、10%ウシ胎仔血清(FCS)及び抗生物質(ペニシリン/ストレプトマイシン)が添加されたダルベッコ改変イーグル培地(DMEM,Biological Industies)中、37℃及び5%CO2で培養した。
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Claims (23)
- オートファジーの異常を伴う少なくとも1つの疾患の診断、予防、治療、並びに治療中及び治療後のフォローアップを単独で又は疾患の他の従来の治療法と組み合わせて行うための、miR−376ファミリーに属する少なくとも1種のmiRNA(マイクロリボ核酸)又は前記miRNAの少なくとも1種の阻害剤の使用。
- 前記疾患が過剰なオートファジーにより生じる場合に、前記miRNAはオートファジーを阻害するために用いられることを特徴とする、請求項1に記載の使用。
- 前記miRNAは、少なくとも1つのオートファジー関連遺伝子を抑制してオートファジーを阻害するために用いられることを特徴とする、請求項1又は2に記載の使用。
- 前記疾患がオートファジーの欠如又は欠損から生じる場合に、前記miRNA阻害剤はオートファジーを活性化するために用いられることを特徴とする、請求項1に記載の使用。
- 前記miRNA阻害剤は、miRNA−376ファミリーの少なくとも1種のmiRNAを抑制してオートファジーを開始するために用いられることを特徴とする、請求項1〜4のいずれか一項に記載の使用。
- オートファジーの異常を伴う少なくとも1つの疾患の診断、予防、治療、並びに治療中及び治療後のフォローアップを行うためのオートファジー制御方法であって、
miR−376ファミリーに属する少なくとも1種のmiRNA又は前記ファミリーに属するmiRNAの少なくとも1種の阻害剤を、前記オートファジーが生じている細胞に供給するステップと、
前記miRNA又はその阻害剤を用いてオートファジーを阻害又は開始するステップと、
を含むことを特徴とする方法。 - 前記疾患が過剰なオートファジーに由来する場合に、該方法は、
miR−376ファミリーに属する少なくとも1種のmiRNAの過剰量を、前記過剰なオートファジーが生じている細胞又は生体に供給するステップと、
少なくとも1つのオートファジー関連遺伝子を抑制するステップと、
前記遺伝子を制御下に置くことにより過剰なオートファジーを阻害するステップと、
を含むことを特徴とする、請求項6に記載の方法。 - 前記疾患がオートファジーの欠如又は欠損に由来する場合に、該方法は、
miR−376ファミリーに属するmiRNAの少なくとも1種の阻害剤の過剰量を、オートファジーの欠如又は欠損を有する細胞に供給するステップと、
前記miRNAを抑制するステップと、
オートファジー関連遺伝子が抑制されないようにするステップと、
前記オートファジー関連遺伝子を用いてオートファジーを開始するステップと、
を含むことを特徴とする、請求項6に記載の方法。 - Beclin1及びAtg4cの少なくとも1つである、請求項1〜8のいずれか一項に記載のオートファジー関連遺伝子。
- 12〜170ヌクレオチド長である、請求項1〜9のいずれか一項に記載のmiRNA。
- 配列番号1に記載のヌクレオチド配列を含むか、あるいは配列番号1のpri−miRNA、pre−miRNA、成熟miRNA、miRNAシード配列、dsmiRNA及びフラグメント若しくは変異体からの21連続ヌクレオチドと少なくとも約70%同一の配列を有するRNA中に存在する配列のいずれかに相補的なRNAを含む、請求項1〜10のいずれか一項に記載のmiRNA。
- 裸の合成RNAである、請求項1〜11のいずれか一項に記載のmiRNA。
- 化学的に修飾された合成RNAである、請求項1〜12のいずれか一項に記載のmiRNA。
- 前記合成RNAは、ホスホロチオエート、ボラノホスフェート、2’−O−メチル、2’−フルオロ、2’−O−メトキシエチル(2’−O−MOE)、2’−O−アミノプロピル(2’−O−AP)、2’−O−ジメチルアミノエチル(2’−O−DMAOE)、2’−O−ジメチルアミノプロピル(2’−O−DMAP)、2’−O−ジメチルアミノエチルオキシエチル(2’−O−DMAEOE)及び2’−O−N−メチルアセトアミド(2’−O−NMA)、PEG、末端逆位dT塩基、フルオロ−β−d−アラビノ核酸(FANA又は4’−S−FANA)又はアラビノ核酸(ANA)、ラウリン酸、リトコール酸及びコレステロール誘導体、並びにそれらの組み合わせからなる群から選択される化学的部分で修飾されている、請求項13に記載のmiRNA。
- miR−376bである、請求項1〜14のいずれか一項に記載のmiRNA。
- リポソーム、ポリマーナノ粒子、コレステロールコンジュゲート、シクロデキストラン複合体、ポリエチレンイミンポリマー又はタンパク質複合体に含まれた状態で投与される、請求項1〜15のいずれか一項に記載のmiRNA。
- 生体の罹患組織に直接投与されるか、又は静脈内、皮下、筋肉内、経鼻、腹腔内、経膣、経肛門、経口、眼内若しくは髄腔内投与される、請求項1〜16のいずれか一項に記載のmiRNA。
- 少なくとも1種の核酸分子である、請求項1〜17のいずれか一項に記載のmiRNA阻害剤。
- 12〜30ヌクレオチ長である、請求項1〜18のいずれか一項に記載のmiRNA阻害剤。
- pri−miRNA、pre−miRNA、成熟miRNA、miRNAシード配列、dsmiRNA及びフラグメント若しくは変異体の連続5’→3’配列に少なくとも70%相補的である配列を含む、請求項1〜19のいずれか一項に記載のmiRNA阻害剤。
- 2’−デオキシ、2’−デオキシ−2’−フルオロ、2’−O−メチル、2’−O−メトキシエチル(2’−O−MOE)、2’−O−アミノプロピル(2’−O−AP)、2’−O−ジメチルアミノエチル(2’−O−DMAOE)、2’−O−ジメチルアミノプロピル(2’−O−DMAP)、2’−O−ジメチルアミノエチルオキシエチル(2’−O−DMAEOE)及び2’−O−N−メチルアセトアミド(2’−O−NMA)、PEG、末端逆位dT塩基、フルオロ−β−d−アラビノ核酸(FANA又は4’−S−FANA)又はアラビノ核酸(ANA)、ラウリン酸、リトコール酸及びコレステロール誘導体、並びにそれらの組み合わせからなる群から選択される修飾部分を含む、請求項1〜20のいずれか一項に記載のmiRNA阻害剤。
- 神経変性疾患、癌、心疾患、肝疾患、老化、ミオパチー、自己免疫疾患、炎症性疾患、感染性疾患、虚血性疾患、免疫不全、糖尿病、軸索損傷、リソソーム蓄積症及び神経系疾患からなる群から選択される、請求項1〜21のいずれか一項に記載の疾患。
- 乳癌又は肝癌である、請求項22に記載の疾患。
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US11149275B2 (en) | 2016-10-10 | 2021-10-19 | The Johns Hopkins University | Device and method to treat esophageal disorders |
WO2019177550A1 (en) | 2018-03-10 | 2019-09-19 | Koc Universitesi | Therapeutic nanoparticles containing argonaute for microrna delivery and compositions and methods using same |
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WO2009126933A2 (en) * | 2008-04-11 | 2009-10-15 | Alnylam Pharmaceuticals, Inc. | Site-specific delivery of nucleic acids by combining targeting ligands with endosomolytic components |
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