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Differentiation of human pluripotent stem cells (hPSCs) into functional cell types is a crucial step in cell therapy. In the present study, we demonstrate that functional CD34(+) progenitor cells can be efficiently produced from human embryonic stem cells (hESCs) and induced pluripotent stem cells (hiPSCs) by combined modulation of 2 signaling pathways. A(More)
Embryonic stem cells (ESCs) maintain unique epigenetic states to maintain their pluripotency. Differentiation of ESCs into specialized cell types requires changes in these epigenetic states. However, the dynamics of epigenetic marks found in hESCs during differentiation are poorly understood. Here, we report the variation in the dynamics of epigenetic(More)
A defective mitochondrial respiratory chain complex (DMRC) causes various metabolic disorders in humans. However, the pathophysiology of DMRC in the liver remains unclear. To understand DMRC pathophysiology in vitro, DMRC-induced pluripotent stem cells were generated from dermal fibroblasts of a DMRC patient who had a homoplasmic mutation (m.3398T→C) in the(More)
Pluripotent stem cells (PSCs) have unique transcriptional regulatory networks and epigenetic states that are involved in maintaining pluripotency. In this study, the transcriptional levels and histone modifications of lineage-specific genes were compared for human ESC (hESC) lines and human induced pluripotent stem cell (hiPSC) lines. Expression of the(More)
UNLABELLED During liver injury, hepatocytes secrete exosomes that include diverse types of self-RNAs. Recently, self-noncoding RNA has been recognized as an activator of Toll-like receptor 3 (TLR3). However, the roles of hepatic exosomes and TLR3 in liver fibrosis are not yet fully understood. Following acute liver injury and early-stage liver fibrosis(More)
Drug-induced liver injury (DILI) is a leading cause of liver disease and a key safety factor during drug development. In addition to the initiation events of drug-specific hepatotoxicity, dysregulated immune responses have been proposed as major pathological events of DILI. Thus, there is a need for a reliable cell culture model with which to assess(More)
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