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Natural killer (NK) cells are important effectors of the innate immune system, which exhibits cytolytic activity against infectious agents and tumor cells. NK cells are derived from CD34(+) hematopoietic stem cells (HSCs). Human umbilical cord blood (UCB) has been recognized as a rich source of HSCs. Previously, we have reported an optimized serum-free(More)
BACKGROUND AIMS Human mesenchymal stromal cells (hMSC) play a crucial role in tissue engineering and regenerative medicine, and have important clinical potential for cell therapy. However, many hMSC studies have been restricted by limited cell numbers and difficult detection in vivo. To expand the lifespan, hMSC are usually immortalized by virus-mediated(More)
Amniotic fluid stem cells (AFSCs) are multipotent stem cells that may be used in transplantation medicine. In this study, AFSCs established from amniocentesis were characterized on the basis of surface marker expression and differentiation potential. To further investigate the properties of AFSCs for translational applications, we examined the cell surface(More)
Dear Editors, Cell cultures play a key role in modern life science, biomedical research, and the biotechnology industry. Authenticated and contamination-free cell lines are the most critical factor for cell culture studies. However, the use of cross-contaminated and misidentified cell lines has a long history in cell culture research (MacLeod et al. 1999;(More)
Spinocerebellar ataxia type 3 (SCA3) is a dominantly inherited neurodegenerative disease caused by a trinucleotide repeat (CAG) expansion in the coding region of ATXN3 gene resulting in production of ataxin-3 with an elongated polyglutamine tract. Here, we generated induced pluripotent stem cells (iPSCs) from the peripheral blood mononuclear cells of a male(More)
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