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논문 기본 정보

자료유형
학술저널
저자정보
Bokyeong Ryu (Seoul National University) Seong Woo Choi (Konkuk University) Seul-Gi Lee (Konkuk University) 정영훈 (건국대학교) Ukjin Kim (Seoul National University) Jin Kim (Seoul National University) 정초록 (한국생명공학연구원) Hyung-Min Chung (Konkuk University) Jae-Hak Park (Seoul National University) 김경설 (건국대학교)
저널정보
대한생화학·분자생물학회 BMB Reports BMB Reports 제53권 제8호
발행연도
2020.1
수록면
437 - 441 (5page)

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In accordance with requirements of the ICH S7B safety pharmacology guidelines, numerous next-generation cardiotoxicity studies using human stem cell-derived cardiomyocytes (CMs) are being conducted globally. Although several stem cell-derived CMs are being developed for commercialization, there is insufficient research to verify if these CMs can replace animal experiments. In this study, in vitro high-efficiency CMs derived from human embryonic stem cells (hESC-CMs) were compared with Sprague-Dawley rats as in vivo experimental animals, and primary cultured in vitro rat-CMs for cardiotoxicity tests. In vivo rats were administrated with two consecutive injections of 100 mg/kg isoproterenol, 15 mg/kg doxorubicin, or 100 mg/kg nifedipine, while in vitro rat-CMs and hESC-CMs were treated with 5 μM isoproterenol, 5 μM doxorubicin, and 50 μM nifedipine. We have verified the equivalence of hESC-CMs assessments over various molecular biological markers, morphological analysis. Also, we have identified the advantages of hESC-CMs, which can distinguish between species variability, over electrophysiological analysis of ion channels against cardiac damage. Our findings demonstrate the possibility and advantage of high-efficiency hESC-CMs as next-generation cardiotoxicity assessment.

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