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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 6
BKCSDE 33(6)
June 20, 2012

Title	Fluorescently Labeled Nanoparticles Enable the Detection of Stem Cell-Derived Hepatocytes
Author	Youngeun Ha, Jin-sup Shin, Dong Yun Lee, Taiyoun Rhim*
Keywords	Liver cirrhosis, Mesenchymal stem cell transplantation, Fluorescently labeled nanoparticles, Hepatocyte-specific differentiation
Abstract	Stem cell transplantation is emerging as a possible new treatment for liver cirrhosis, and recent animal studies have documented the benefits of stem cell therapy in a hepatic fibrosis model. However, the underlying mechanism of stem cell therapy is still unclear. Among the proposed mechanisms, the cell replacement mechanism is the oldest and most important, in which permanently damaged tissue can be replaced by normal tissue to restore function. In the present study, Cy5.5-labeled superparamagnetic iron oxide (SPIO) was used to label human mesenchymal stem cells. The uptake of fluorescently labeled nanoparticles enabled the detection and monitoring of the transplanted stem cells; therefore, we confirmed the direct incorporation and differentiation of SPIO into the hepatocyte-like transplanted stem cells by detecting human tyrosine aminotransferase (TAT), well-known enzymatic marker for hepatocyte-specific differentiation.
Page	1983 - 1988
Full Text	PDF

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