KR20190054689A - 난청 진단을 위한 miR-205 및 이의 용도 - Google Patents
난청 진단을 위한 miR-205 및 이의 용도 Download PDFInfo
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- KR20190054689A KR20190054689A KR1020170151546A KR20170151546A KR20190054689A KR 20190054689 A KR20190054689 A KR 20190054689A KR 1020170151546 A KR1020170151546 A KR 1020170151546A KR 20170151546 A KR20170151546 A KR 20170151546A KR 20190054689 A KR20190054689 A KR 20190054689A
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Abstract
Description
도 1b는 <실시예 1>에서 제작한 이독성 난청 마우스 실험군, 대조군 및 비교군의 BUN(blood urea nitrogen) 및 크레아티닌(creatinine) 수치를 확인한 도이다(*p<0.01, Student t-test).
도 2는 <실시예 1>에서 제작한 이독성 난청 마우스 실험군 및 대조군의 혈청 시료에서 마이크로 RNA 발현을 확인한 도이다.
도 3a 및 도 3b는 <실시예 1>에서 제작한 이독성 난청 마우스 실험군, 대조군 및 비교군의 혈청 시료(도 3a) 및 신장 조직 시료(도 3b)에서 본 발명의 마이크로 RNA-205와 기존 연구를 통해 알려진 이독성 난청 유발 시 증가하는 miR-183의 발현 수준을 확인한 도이다(평균±SE; *p<0.01; **p<0.001; ***p<0.0001, Student t-test).
도 4a 내지 도 4c는 <실시예 1>에서 제작한 이독성 난청 마우스 실험군, 대조군 및 비교군의 귀의 혈관선조(stria vascularis) 조직 시료(도 4a), 코르티기관(organ of Corti) 조직 시료(도 4b), 와우축(modiolus) 조직 시료(도 4c)에서 본 발명의 마이크로 RNA-205와 기존 연구를 통해 알려진 이독성 난청 유발 시 증가하는 miR-183의 발현 수준을 확인한 도이다(평균±SE; *p<0.01; **p<0.001; ***p<0.0001, Student t-test).
도 5a 및 도 5b는 <실시예 1>에서 제작한 이독성 난청 마우스 실험군(도 5b) 및 대조군(도 5a)의 귀 조직을 이용한 in situ 혼성화 결과를 나타낸 도로서, 도 5a 및 도 5b의 이미지는 광학 현미경으로 얻었고, 도 5a 및 도 5b의 왼쪽 이미지의 배율은 x400, 스케일 바는 100 μM이며, 도 5a 및 도 5b의 오른쪽 이미지의 배율은 x600, 스케일 바는 50 μM이다. 또한, 약어 St는 혈관선조(stria vascularis), Sg는 나선신경절(spiral ganglion), OHC는 외유모세포(outer hair cell), Tm은 덮개막(tectorial membrane)을 의미한다.
Claims (11)
- 마이크로 RNA-205를 검출할 수 있는 제제를 포함하는, 난청 진단용 조성물.
- 제 1항에 있어서, 상기 제제는 마이크로 RNA-205의 뉴클레오타이드 서열에 대하여 상보적인 서열을 가지는 프라이머, 프로브 및 항체로 이루어진 군으로부터 선택된 어느 하나 이상인 것을 특징으로 하는, 난청 진단용 조성물.
- 제 1항에 있어서, 상기 마이크로 RNA-205는 서열번호 1로 표시되는 염기서열로 이루어진 것을 특징으로 하는, 난청 진단용 조성물.
- 제 1항에 있어서, 상기 난청은 아미노글리코사이드계 항생제에 의한 이독성 난청, 돌발성 난청 및 소음성 난청으로 이루어진 군으로부터 선택되는 것을 특징으로 하는, 난청 진단용 조성물.
- 제 4항에 있어서, 상기 아미노글리코사이드계 항생제는 아미카신(amikacin), 아르베카신(arbekacin), 젠타마이신(gentamicin), 카나마이신(kanamycin), 네오마이신(neomycin), 네틸마이신(netilmicin), 파로모마이신(paromomycin), 디베카신(dibekacin), 시소마이신(sisomycin), 스트렙토마이신(streptomycin) 및 토브라마이신(tobramycin)으로 이루어진 군으로부터 선택된 어느 하나 이상인 것을 특징으로 하는, 난청 진단용 조성물.
- 피검체로부터 분리된 시료에서 마이크로 RNA-205의 발현 수준을 측정하고 정상 대조군과 비교하는 단계를 포함하는, 난청 발병 및 예후를 예측 또는 진단하기 위한 정보를 제공하는 방법.
- 제 6항에 있어서, 상기 시료는 조직, 혈장, 혈청, 혈액, 타액 및 소변으로 이루어진 군으로부터 선택된 어는 하나 이상인 것을 특징으로 하는, 난청 발병 및 예후를 예측 또는 진단하기 위한 정보를 제공하는 방법.
- 제 7항에 있어서, 상기 조직은 귀 조직인 것을 특징으로 하는, 난청 발병 및 예후를 예측 또는 진단하기 위한 정보를 제공하는 방법.
- 제 6항에 있어서, 상기 측정은 역전사 중합효소 연쇄반응(reverse transcriptase-polymerase chain reaction) 또는 실시간 중합효소 연쇄반응(real time-polymerase chain reaction)으로 수행하는 것을 특징으로 하는, 난청 발병 및 예후를 예측 또는 진단하기 위한 정보를 제공하는 방법.
- 1) 마이크로 RNA-205가 발현되는 귀 세포에 분석하고자 하는 피검물질을 처리하는 단계;
2) 상기 단계 1)의 귀 세포 내에서 마이크로 RNA-205의 발현 수준을 측정하는 단계; 및
3) 상기 단계 2)의 측정 결과 마이크로 RNA-205의 발현양이 피검물질을 처리하지 않은 대조군에 비해 감소하는 경우 상기 피검물질을 난청의 예방 또는 치료용 조성물로 판별하는 단계를 포함하는, 난청 예방 또는 치료용 조성물의 스크리닝 방법.
- 제 10항에 있어서, 상기 단계 1)의 피검물질은 펩티드, 단백질, 비펩티드성 화합물, 활성 화합물, 발효 생산물, 세포 추출액, 식물 추출액 및 동물조직 추출액으로 이루어진 군으로부터 선택되는 어느 하나인 것을 특징으로 하는, 난청 예방 또는 치료용 조성물의 스크리닝 방법.
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KR20210151766A (ko) * | 2019-11-28 | 2021-12-14 | 의료법인 성광의료재단 | Mt1a를 포함하는 난청 진단용 바이오마커 조성물 및 이의 용도 |
KR20210151767A (ko) * | 2019-11-28 | 2021-12-14 | 의료법인 성광의료재단 | Mt1a 유전자의 발현수준을 측정하는 제제를 포함하는, 난청 진단용 키트 및 이의 용도 |
KR20210153023A (ko) * | 2019-11-28 | 2021-12-16 | 의료법인 성광의료재단 | 소음성 난청 또는 급성 소음성 난청을 진단하기 위한 바이오마커 및 이의 용도 |
KR20210153024A (ko) * | 2019-11-28 | 2021-12-16 | 의료법인 성광의료재단 | Mt1a 및 slpi를 포함하는 난청 진단용 키트 및 이의 용도 |
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