KR20210052425A - 뇌전증과 관련된 miRNA 및 그의 용도 - Google Patents
뇌전증과 관련된 miRNA 및 그의 용도 Download PDFInfo
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Abstract
Description
도 2a는 일 구체예에 따른 miR-106b-5p가 KCNQ2 유전자의 발현을 조절하는지 여부를 나타낸 그래프이다.
도 2b는 일 구체예에 따른 miR-17-5p가 KCNQ2 유전자의 발현을 조절하는지 여부를 나타낸 그래프이다.
도 2c는 일 구체예에 따른 miR-93-5p가 KCNQ2 유전자의 발현을 조절하는지 여부를 나타낸 그래프이다.
도 2d는 일 구체예에 따른 miR-106b-5p의 mRNA를 나타낸 도면으로서, miR-106b-5p가 마우스 KCNQ2(wt)의 3' UTR에 결합하면서, 씨드 서열에 돌연변를 갖는 마우스 KCNQ2(mut)의 3'UTR에는 결합하지 않는 것을 나타낸다.
도 3a는 마우스 주령에 따라 해마조직에서의 KCNQ2 단백질의 발현 변화를 나타낸 그래프이다.
도 3b는 마우스 주령에 따라 해마조직에서의 miR-106b-5p 발현 변화를 나타낸 그래프이다.
도 4a는 miR-106b-5p의 모사체와 억제제 처리에 따른 KCNQ2의 상대적 발현량을 나타낸 웨스턴 블랏팅 결과이다.
도 4b는 miR-106b-5p의 모사체와 억제제 처리에 따른 KCNQ2의 상대적 발현량을 정량화하여 나타낸 그래프이다.
도 5a는 전구체(Pre) miR-106b-5p 및 TuD-miR-106b-5p의 처리에 따른 KCNQ2의 상대적 발현량을 나타낸 웨스턴 블랏팅 결과이다.
도 5b는 전구체(Pre) miR-106b-5p 및 TuD-miR-106b-5p의 처리에 따른 KCNQ2의 상대적 발현량을 정량화하여 나타낸 그래프이다.
도 6a는 miR-106b-5p의 발현 증가에 따른 신경 세포에서의 뉴런 흥분성과 관련된 뉴런의 전압 변화를 나타낸 도면이다.
도 6b는 miR-106b-5p의 발현 증가에 따른 신경 세포에서의 뉴런 흥분성과 관련된 활동 전위, 유지 전위, 및 AP 프리퀀시 변화를 나타낸 도면이다; 적색: miR106b, 검정색: Control)
도 6c는 miR-106b-5p의 발현 증가에 따른 신경 세포에서의 뉴런 흥분성과 관련된 전도도의 변화를 나타낸 도면이다.
도 6d는 miR-106b-5p의 발현 증가에 따른 신경 세포에서의 뉴런 흥분성과 관련된 Action potential firing의 변화를 나타낸 도면이다.
도 6e는 miR-106b-5p의 발현 증가에 따른 신경 세포에서의 뉴런 흥분성과 관련된 oncet time(current 가 induce 된 시점으로부터 action potential 이 firing 되기까지의 소요시간)의 변화를 나타낸 도면이다.
도 7a는 miR-106b-5p의 발현 감소에 따른 신경 세포에서의 뉴런 흥분성과 관련된 뉴런의 전압 변화를 나타낸 도면이다.
도 7b는 miR-106b-5p의 발현 감소에 따른 신경 세포에서의 뉴런 흥분성과 관련된 활동 전위, 유지 전위, 및 AP 프리퀀시 변화를 나타낸 도면이다; 적색: miR106b, 검정색: Control)
도 7c는 miR-106b-5p의 발현 감소에 따른 신경 세포에서의 뉴런 흥분성과 관련된 전도도의 변화를 나타낸 도면이다.
도 7d는 miR-106b-5p의 발현 감소에 따른 신경 세포에서의 뉴런 흥분성과 관련된 Action potential firing의 변화를 나타낸 도면이다.
도 7e는 miR-106b-5p의 발현 감소에 따른 신경 세포에서의 뉴런 흥분성과 관련된 oncet time(current 가 induce 된 시점으로부터 action potential 이 firing 되기까지의 소요시간)의 변화를 나타낸 도면이다.
| P1 | P14 | P30 | P60 | |
| mmu-miR-17-5p | 442.60 | 68.29 | 38.82 | 16.01 |
| mmu-miR-20a-5p | 189.69 | 38.04 | 24.64 | 8.96 |
| mmu-miR-93-5p | 752.89 | 155.60 | 109.75 | 93.49 |
| mmu-miR-106b-5p | 441.43 | 110.65 | 75.40 | 56.35 |
Claims (6)
- miR-106b-5p의 뉴클레오티드 서열의 전부 또는 일부에 상보적으로 결합하여 miR-106b-5p의 활성을 억제하는 핵산 분자를 유효성분으로 포함하는, 뇌전증 또는 발작 관련 질환의 예방 또는 치료용 약학적 조성물.
- 청구항 1에 있어서, 상기 핵산 분자는 RNA, DNA, 앤타고미어(antagomir), 안티센스 분자, siRNA, shRNA, 2'-O-변형 올리고뉴클레오타이드, 포스포로티오에이트-백본 디옥시리보뉴클레오타이드, 포스포로티오에이트-백본 리보뉴클레오타이드, 디코이 올리고뉴클레오타이드, 터프 디코이(tough decoy) 올리고뉴클레오타이드, PNA(peptide nucleic acid) 올리고뉴클레오타이드 또는 LNA(locked nucleic acid) 올리고뉴클레오타이드인 것인 약학적 조성물.
- 청구항 1에 있어서, 상기 핵산 분자는 KCNQ2의 발현을 증가시키는 것인 약학적 조성물.
- 청구항 1에 있어서, 상기 miR-106b-5p의 표적 mRNA는 KCNQ2의 3'-비번역 부위(UTR)인 것인 약학적 조성물.
- 청구항 1에 있어서, 상기 발작 관련 질환은, 뇌졸중, 해마경화, 뇌선마비, 선천성기형, 중추신경계 감염, 저산소증, 뇌종양, 외상성 뇌손상, 신경퇴행성질환, 대사성 질환, 자가면역질환, 또는 원인 미상으로 인한 발작인 것인 약학적 조성물.
- 청구항 1에 있어서, 상기 조성물은 뇌로 전달되는 것인 약학적 조성물.
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| CN116763809A (zh) * | 2023-05-31 | 2023-09-19 | 广东医科大学附属医院 | miR-376b-3p的抑制物在制备治疗癫痫药物中的应用 |
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| CN105543394A (zh) * | 2016-02-23 | 2016-05-04 | 江苏省中医院 | miR-106b-5p及其检测引物和其反义核苷酸序列在诊断、治疗缺血性脑卒中领域中的应用 |
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| KR20140074997A (ko) * | 2011-10-11 | 2014-06-18 | 더 브리검 앤드 우먼즈 하스피털, 인크. | 신경병성 질환에서 마이크로rna |
| CN105543394A (zh) * | 2016-02-23 | 2016-05-04 | 江苏省中医院 | miR-106b-5p及其检测引物和其反义核苷酸序列在诊断、治疗缺血性脑卒中领域中的应用 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116763809A (zh) * | 2023-05-31 | 2023-09-19 | 广东医科大学附属医院 | miR-376b-3p的抑制物在制备治疗癫痫药物中的应用 |
| CN116763809B (zh) * | 2023-05-31 | 2024-01-26 | 广东医科大学附属医院 | miR-376b-3p的抑制物在制备治疗癫痫药物中的应用 |
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