관련 논문 - 인간배아줄기세포를 이용한 Nkx2.5+ 심장전구세포의 isoflurane에 의한 전처치 효과에서의 protein kinase C-ε의 역할 / 송인애

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인간배아줄기세포를 이용한 Nkx2.5+ 심장전구세포의 isoflurane에 의한 전처치 효과에서의 protein kinase C-ε의 역할 / 송인애

18 인체실험 조회 수 71 추천 수 0 2016.11.22 09:43:55

nibp *.223.3.98 https://www.nibp.kr/xe/info4_3/77275

발행년 :	2016
구분 :	학위논문
학술지명 :
관련링크 :	http://www.riss.kr/link?id=T14227111

인간배아줄기세포를 이용한 Nkx2.5+ 심장전구세포의 isoflurane에 의한 전처치 효과에서의 protein kinase C-ε의 역할

http://www.riss.kr/link?id=T14227111

저자
송인애
형태사항
23 ; 26 cm
일반주기
지도교수: 황정원
학위논문사항
Thesis(doctoral)-- 서울대학교 대학원 : 의학과 2016. 8
DDC
610
발행국
대한민국
언어
영어
출판년
2016

초록 (Abstract)

Background: Anesthetic preconditioning can improve survival of cardiac progenitor cells exposed to oxidative stress. We investigated the role of protein kinase C and isoform protein kinase C-ε in isoflurane-induced preconditioning of Cardiac progenit...
Background: Anesthetic preconditioning can improve survival of cardiac progenitor cells exposed to oxidative stress. We investigated the role of protein kinase C and isoform protein kinase C-ε in isoflurane-induced preconditioning of Cardiac progenitor cells exposed to oxidative stress. Methods: Cardiac progenitor cells were obtained from undifferentiated human embryonic stem cells. Immunostaining with anti-Nkx2.5 was used to confirm the differentiated cardiac progenitor cells. Oxidative stress was induced by H2O2 and FeSO4. For anesthetic preconditioning, cardiac progenitor cells were exposed to 0.25, 0.5, and 1.0mM of isoflurane. PMA and chelerythrine were used for protein kinase C activation and inhibition, while εψRACK and εV1-2 were used for protein kinase C -ε activation and inhibition, respectively. Results: Isoflurane-preconditioning decreased the death rate of Cardiac progenitor cells exposed to oxidative stress (0.5 mM 12.7 ± 9.3%, 1.0 mM 12.0 ± 7.7% vs. control 31.4 ± 10.2%). Inhibitors of both protein kinase C and protein kinase C -ε abolished the preconditioning effect of isoflurane (death rates 27.6 13.5% and 25.9 ±8.7% respectively), and activators of both protein kinase C and protein kinase C - ε had protective effects from oxidative stress (death rates 16.0 ± 3.2% and 10.6 ± 3.8 % respectively). Conclusions: Both PKC and PKC-ε are involved in isoflurane-induced preconditioning of human embryonic stem cells -derived Nkx2.5+Cardiac progenitor cells under oxidative stress.

목차 (Table of Contents)