Effect of Inhibitor of Glycogen Synthase Kinase 3 on Self-Renewal of Human Embryonic Stem Cells
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서지정보
ㆍ발행기관 : 한국동물번식학회
ㆍ수록지정보 : Reproductive & developmental biology / 29권 / 2호
ㆍ저자명 : Lee Eunyoung, Rho Jeung-yon, Yu Kwon, Paik Sang-Gi, Lee Kyung-Kwang, Han Yong-Mahn
ㆍ저자명 : Lee Eunyoung, Rho Jeung-yon, Yu Kwon, Paik Sang-Gi, Lee Kyung-Kwang, Han Yong-Mahn
목차
INTRODUCTIONMATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES
영어 초록
Human embryonic stem cells (hESCs) derived from the inner cell mass of blastocysts have the ability to renew themselves and to differentiate into cell types of all lineage. The present study was carried out to investigate whether the Wnt signaling pathway is related to maintaining self-renewal of hESCs. Glycogen Synthase Kinase 3 (GSK-3) inhibitor, BIO ((2''Z,3''E)-6-Bromoindirubin-3''-oxime) was treated to Miz-hES1 line for activation of Wnt signaling pathway. BIO-nontreated hESCs (control) and BID-treated hESCs were cultured for 5 days in the modified feeder-free system. During the culture of hESCs, differences were observed in the colony morphology between 2 groups. Controls were spread outwards whereas BIO-nontreated hESCs were clumped in the center and the differentiated cells were spreading outwards in the edges. The results of stem cell specific marker staining indicated that control were differentiated in large part whereas BIO-treated hESCs maintain self-renewal in the center of the colony. The results of lineage marker staining suggested that outer cells of the hESC colony were differentiated to the neuronal progenitor cells in both control and BIO-treated hESC. These results indicate that Wnt signaling is related to self-renewal in hESCs. In addition, control group showed higher composition of apoptotic cells (23.76%) than the BID-treated group (5.59%). These results indicate that BIO is effective on antapoptosis of hESCs.참고 자료
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