JP2021518159A - マイクロrna22の阻害剤 - Google Patents
マイクロrna22の阻害剤 Download PDFInfo
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- JP2021518159A JP2021518159A JP2020573079A JP2020573079A JP2021518159A JP 2021518159 A JP2021518159 A JP 2021518159A JP 2020573079 A JP2020573079 A JP 2020573079A JP 2020573079 A JP2020573079 A JP 2020573079A JP 2021518159 A JP2021518159 A JP 2021518159A
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Abstract
Description
本出願は2018年3月14日に出願された米国特許仮出願第62/642934号の利益と優先権を主張し、その内容全体を参照によりここに援用するものである。
本開示はマイクロRNAの活性又は発現を調節する薬剤に関する。
本出願と共に電子的に提出されたテキストファイルの内容、すなわち、配列表のコンピュータ読み込み可能な形式のコピー(ファイル名:BID−005PC2_ST25.txt;作成日:2019年3月14日;ファイルサイズ:2976バイト)の全体を参照により本明細書に援用する。
miR−22はチンパンジー、マウス、ラット、イヌ、及びウマを含む多くの脊椎動物種にわたって高度に保存されている。機能上の重要性がこのレベルの保存度から示唆される。miR−22は先ず赤血球の成熟に役割を有するものとして特定され、後に発癌に役割を有するものとして特定された。miR−22はホスファターゼ・テンシン・ホモログ(PTEN)及びtetメチルシトシンジオキシゲナーゼ(TET)を直接の標的として腫瘍発生、転移、及び代謝障害を促進する。幾つかの実施形態では本発明の核酸はPTEN及び/又はTET2の活性及び/又は発現を上昇させる。
複数の実施形態において、miRNAの阻害剤はアンチセンスオリゴヌクレオチドとして作用する核酸である。本発明の核酸はリボヌクレオチド又はデオキシリボヌクレオチド又はそれらの組合せを含み得る。本発明の核酸は少なくとも1つの化学的修飾を有してよい(非限定的な例は糖又は骨格の修飾、例えばロック核酸(LNA)である)。
全ての抗miR−22 LNAがヒトとマウスの両方で有用である。宿主遺伝子はヒトとマウスとの間で49%の相補性を示し、抗HG−miR−22 LNAは主にヒトで作用する。
CRM0008 TGGCAGCT (配列番号2)
CRM0009 CtTcaACtgGcAgCT (配列番号7)
CRM0010 CTTcaACtgGCAgCT (配列番号8)
CRM0011 TCtTCAaCtgGCAgCT (配列番号9)
CRM0012 TCtTcaaCtGGCAgCT (配列番号10)
CRM0013 TCtTCAacTgGCAgCT (配列番号11)
CRM0014 TTctTCAacTgGCAgCT (配列番号12)
CRM0015 GTtctTcaaCtgGCaGCT (配列番号13)
CRM0016 CGaATAgTtaGTAgCG (配列番号14)
CRM0017 FAM標識CGaATAgTtaGTAgCG (配列番号15)
miR−22を阻害する実施例1のコンストラクトの能力を評価した。
接着細胞株のLNAの補助取込み(Lipo200形質移入)のプロトコルを最適化することにより、前記配列をアッセイで検証し、FAM標識LNAを使用し、接着細胞株において、補助取込み及び非補助取込みで、最も効力のある抗miR−22を特定(処理前及び処理後のmiR−22レベル、並びにTET2の活性及びタンパク質レベルを分析)することにより生物学的効果を検証した。インビボ治療での使用のために最も効力のある抗miRをマウスモデルにおいて使用することを目的とした。実証された結果については図3A〜B、図4、図5、図6、及び図7を参照されたい。
したがって、実施例1の核酸コンストラクトはmiR−22の阻害に有効である。
発明を実施するための形態と併せて本開示を説明してきたが、これまでの説明は本開示を例示することを意図するものであり、本開示の範囲を限定することを意図したものではないことが理解されるべきであり、本開示の範囲は添付されている特許請求の範囲によって規定される。他の態様、利点、及び変更点は以下の特許請求の範囲内に含まれる。
本明細書において参照された全ての特許及び刊行物の全体を参照により本明細書に援用する。
本明細書において考察された刊行物は単に開示を目的として本願書の提出日の前に提示されている。本明細書中の何物も本発明が先行発明のためにこのような公開に先行するとは言えないと認めたと解釈されてはならない。
Claims (30)
- tggcagct(配列番号2)を含む配列を有し、少なくとも1のロック核酸(LNA)修飾を含む核酸を含む、miR−22阻害性組成物。
- 前記核酸がtggcagct(配列番号2)の7位及び8位にLNA修飾を含む、請求項1に記載の組成物。
- 前記核酸が、tggcagct(配列番号2)、cttcaactggcagct(配列番号3)、tcttcaactggcagct(配列番号4)、ttcttcaactggcagct(配列番号5)、及びgttcttcaactggcagct(配列番号6)から選択される配列を有する核酸を含む、請求項1に記載の組成物。
- 前記核酸が約8〜約12のLNA修飾を含む、請求項1〜請求項3のいずれか一項に記載の組成物。
- 前記核酸が約8〜約10のLNA修飾を含む、請求項4に記載の組成物。
- 前記核酸が約8、又は約9、又は約10、又は約11、又は約12のLNA修飾を含む、請求項1〜請求項3のいずれか一項に記載の組成物。
- 前記核酸が約10のLNA修飾を含む、請求項6に記載の組成物。
- 前記核酸がtggcagct(配列番号2)及び少なくとも6のLNA修飾を含む、請求項1に記載の組成物。
- 前記核酸がtggcagct(配列番号2)及び少なくとも8のLNA修飾を含む、請求項1に記載の組成物。
- 前記核酸がcttcaactggcagct(配列番号3)及び少なくとも6のLNA修飾を含む、請求項1に記載の組成物。
- 前記核酸がcttcaactggcagct(配列番号3)及び少なくとも8のLNA修飾を含む、請求項8に記載の組成物。
- 前記核酸がcttcaactggcagct(配列番号3)及び少なくとも10のLNA修飾を含む、請求項8に記載の組成物。
- 前記核酸がcttcaactggcagct(配列番号3)及び8のLNA修飾を含み、前記修飾が1位、3位、6位、7位、10位、12位、14位、及び15位に存在する、請求項11に記載の組成物。
- 前記核酸がcttcaactggcagct(配列番号3)及び10のLNA修飾を含み、前記修飾が1位、2位、3位、6位、7位、10位、11位、12位、14位、及び15位に存在する、請求項12に記載の組成物。
- 前記核酸がtcttcaactggcagct(配列番号4)及び少なくとも8のLNA修飾を含む、請求項1に記載の組成物。
- 前記核酸がtcttcaactggcagct(配列番号4)及び少なくとも10のLNA修飾を含む、請求項15に記載の組成物。
- 前記核酸がtcttcaactggcagct(配列番号4)及び少なくとも11のLNA修飾を含む、請求項16に記載の組成物。
- 前記核酸がtcttcaactggcagct(配列番号4)及び10のLNA修飾を含み、前記修飾が1位、2位、4位、8位、10位、11位、12位、13位、15位、及び16位に存在する、請求項16に記載の組成物。
- 前記核酸がtcttcaactggcagct(配列番号4)及び11のLNA修飾を含み、前記修飾が1位、2位、4位、5位、6位、8位、11位、12位、13位、15位、及び16位に存在する、請求項17に記載の組成物。
- 前記核酸がtcttcaactggcagct(配列番号4)及び11か所のLNA修飾を含み、前記修飾が1位、2位、4位、5位、6位、9位、11位、12位、13位、15位、及び16位に存在する、請求項17に記載の組成物。
- 前記核酸がttcttcaactggcagct(配列番号5)及び少なくとも10のLNA修飾を含む、請求項1に記載の組成物。
- 前記核酸がttcttcaactggcagct(配列番号5)及び少なくとも11のLNA修飾を含む、請求項21に記載の組成物。
- 前記核酸がttcttcaactggcagct(配列番号5)及び11のLNA修飾を含み、前記修飾が1位、2位、5位、6位、7位、10位、12位、13位、14位、16位、及び17位に存在する、請求項22に記載の組成物。
- 前記核酸がgttcttcaactggcagct(配列番号6)及び少なくとも9のLNA修飾を含む、請求項1に記載の組成物。
- 前記核酸がgttcttcaactggcagct(配列番号6)及び少なくとも10のLNA修飾を含む、請求項24に記載の組成物。
- 前記核酸がgttcttcaactggcagct(配列番号6)及び9のLNA修飾を含み、前記修飾が1位、2位、6位、10位、13位、14位、16位、17位、及び18位に存在する、請求項24に記載の組成物。
- 請求項1〜請求項26のいずれか一項に記載の核酸と、薬学的に許容可能な賦形剤又は担体を含む医薬組成物。
- 請求項1〜請求項26のいずれか一項に記載の核酸を含むベクター又はプラスミド。
- 請求項1〜請求項26のいずれか一項に記載の核酸を含む宿主細胞。
- miR−22と、請求項1〜請求項26のいずれか一項に記載のmiR−22阻害性組成物とを接触させることを含むmiR−22を阻害する方法。
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JP7318166B2 (ja) | 2018-03-14 | 2023-08-01 | ベス イスラエル デアコネス メディカル センター | マイクロrna22の阻害剤 |
CN110609142A (zh) * | 2019-10-09 | 2019-12-24 | 广州医科大学附属第二医院 | 一种检测外周血fto蛋白与自身调控元件结合能力的方法与应用 |
CN115029347B (zh) * | 2022-05-11 | 2024-02-20 | 珠海中科先进技术研究院有限公司 | 识别和调控肝肾细胞纤维化的分子监测序列、重组质粒、抑制病毒 |
CN116082447A (zh) * | 2022-09-09 | 2023-05-09 | 湖南大学 | 一种多肽及其制备方法 |
CN117304258B (zh) * | 2022-09-09 | 2024-09-24 | 湖南大学 | 一种多肽的用途 |
EP4353823A1 (en) * | 2022-10-12 | 2024-04-17 | Resalis Therapeutics S.r.l. | Inhibitors of micro-rna 22 |
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