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KMID : 1204720190120020240
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International Journal of Stem Cells
2019 Volume.12 No. 2 p.240 ~ p.250
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Comparative Evaluation of Hormones and Hormone-Like Molecule in Lineage Specification of Human Induced Pluripotent Stem Cells
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Choi Seon-A
An Ju-Hyun
Lee Seung-Hwan
Lee Geun-Hui
Yang Hae-Jun
Jeong Pil-Soo
Cha Jae-Jin
Lee Sang-Hoon
Park Young-Ho
Song Bong-Seok
Sim Bo-Woong
Kim Young-Hyun
Kim Ji-Su
Jin Yeung-Bae
Huh Jae-Won
Lee Sang-Rae
Lee Jong-Hee
Kim Sun-Uk
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Abstract
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Background and Objectives: Proficient differentiation of human pluripotent stem cells (hPSCs) into specific lineages is required for applications in regenerative medicine. A growing amount of evidences had implicated hormones and hormone-like molecules as critical regulators of proliferation and lineage specification during in vivo development. Therefore, a deeper understanding of the hormones and hormone-like molecules involved in cell fate decisions is critical for efficient and controlled differentiation of hPSCs into specific lineages. Thus, we functionally and quantitatively compared the effects of diverse hormones (estradiol 17-β (E2), progesterone (P4), and dexamethasone (DM)) and a hormone-like molecule (retinoic acid (RA)) on the regulation of hematopoietic and neural lineage specification.
Methods and Results: We used 10 nM E2, 3 μM P4, 10 nM DM, and 10 nM RA based on their functional in vivo developmental potential. The sex hormone E2 enhanced functional activity of hematopoietic progenitors compared to P4 and DM, whereas RA impaired hematopoietic differentiation. In addition, E2 increased CD34+CD45+ cells with progenitor functions, even in the CD43? population, a well-known hemogenic marker. RA exhibited lineage-biased potential, preferentially committing hPSCs toward the neural lineage while restricting the hematopoietic fate decision.
Conclusions: Our findings reveal unique cell fate potentials of E2 and RA treatment and provide valuable differentiation information that is essential for hPSC applications.
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KEYWORD
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Human induced pluripotent stem cells, lineage specification, Estradiol-17β, Retinoic acid, Hematopoietic differentiation, Cell fate decision
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