KR20190024658A - 조현병 동물모델 및 이의 제조방법 - Google Patents
조현병 동물모델 및 이의 제조방법 Download PDFInfo
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Abstract
Description
도 1b는 본 발명에 따라 제조된 생쥐(cKO)가 내측고삐핵의 콜린성 신경세포에서 특이적으로 ANO1 유전자가 결손된 생쥐인지 면역조직화학법(immunohistochemistry)을 통해 확인한 결과를 나타낸 도면이다.
도 2a 내지 도 2c는 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 3-chamber test(3CT) 결과를 나타낸 도면으로, 도 2a는 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 각 챔버에서 보내는 시간 및 선호도를 나타낸 도면이고, 도 2b는 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 무생물인 물체(O)와 살아있는 생쥐(S1)에 대한 관심 정도를 나타낸 도면이며, 도 2c는 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 도 2b에서의 살아있는 생쥐(S1)와 새로운 생쥐(S2)에 대한 관심 정도를 나타낸 도면이다.
도 3은 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 네스렛 파쇄 실험 (nestlet shredding test) 결과를 나타낸 도면이다.
도 4는 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 수동회피 실험 (passive avoidance test) 결과를 나타낸 도면이다.
도 5는 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 선행자극 억제 실험(PPI test) 결과를 나타낸 도면이다.
도 6은 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 선행자극 억제 실험(PPI test)에서 할로페리돌(haloperidol) 효과를 나타낸 도면이다.
도 7은 본 발명에 따라 제조된 생쥐(cKO)와 정상 생쥐(CTL)의 코카인 민감성 실험(cocaine sensitization test) 결과를 나타낸 도면이다.
Claims (8)
- 내측고삐핵(medial habenula)의 콜린성 신경세포(cholinergic neuron)에서 ANO1(Anoctamin 1) 유전자가 결손(knock-out)된 생쥐인 것을 특징으로 하는, 조현병 동물모델.
- ChAT(choline acetyltransferase)-Cre 생쥐와 ANO1(Anoctamin 1) 플록스드(floxed) 생쥐를 교배시켜 2세대 생쥐를 얻는 단계; 및
상기 2세대 생쥐로부터 내측고삐핵(medial habenula)의 콜린성 신경세포(cholinergic neuron)에서 ANO1(Anoctamin 1) 유전자가 발현되지 않는 생쥐를 선별하는 단계를 포함하는 것을 특징으로 하는, 조현병 동물모델의 제조방법.
- 제2항에 있어서,
상기 ChAT-Cre 생쥐는 ChAT의 프로모터의 조절 하에 Cre 재조합효소(recombinase)가 발현된 생쥐인 것을 특징으로 하는, 조현병 동물모델의 제조방법.
- 제2항에 있어서,
상기 ANO1(Anoctamin 1) 플록스드(floxed) 생쥐는 ANO1의 exon8 양 옆에 loxP 염기서열이 삽입된 생쥐인 것을 특징으로 하는, 조현병 동물모델의 제조방법.
- 제2항에 있어서,
상기 내측고삐핵의 콜린성 신경세포에서 ANO1 유전자가 발현되지 않는 생쥐의 선별은 면역조직화학법(immunohistochemistry)을 통하여 이루어지는 것을 특징으로 하는, 조현병 동물모델의 제조방법.
- 제1항의 조현병 동물모델에 시험물질을 처리하는 단계;
상기 시험물질 처리 후 조현병 증상을 측정하는 단계; 및
비처리군과 비교하여 상기 조현병 증상이 유의하게 감소한 시험물질을 선별하는 단계를 포함하는 것을 특징으로 하는, 조현병 치료제의 스크리닝 방법.
- 제6항에 있어서,
상기 시험물질은 조현병 치료제 후보물질인 것을 특징으로 하는, 조현병 치료제의 스크리닝 방법.
- 제6항에 있어서,
상기 조현병 증상의 측정은 3-chamber test(3CT), 네스렛 파쇄 실험(nestlet shredding test), 수동회피 실험(passive avoidance test), 코카인 민감성 실험(cocaine sensitization test), 또는 선행자극 억제 실험(prepulse inhibition test)을 통해 이루어지는 것을 특징으로 하는, 조현병 치료제의 스크리닝 방법.
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