Process for isolating vascular endothelial cells from...

Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of... – Method of detaching cells – digesting tissue or establishing...

Reexamination Certificate

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C435S366000

Reexamination Certificate

active

07919318

ABSTRACT:
The present invention provides a process for isolating vascular endothelial cells from embryoid bodies differentiated from embryonic stem cells, which comprises: (a) treating embryoid bodies differentiated from embryonic stem cells with 0.005-0.015% trypsin and 0.05-0.15 mM ethylenediaminetetraacetate (EDTA) to obtain vascular endothelial cell clusters; and (b) treating the vascular endothelial cell clusters with 0.1-0.5% trypsin and 0.5-2 mM EDTA so as to separate the vascular endothelial cell clusters into single cells.

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patent: 2006/0199263 (2006-09-01), Auger et al.
patent: 2007/0192881 (2007-08-01), Brinster et al.
patent: 10-0744440 (2007-08-01), None
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Zhang, Su-Chun, et al., “In Vitro Differentiation of Transplantable Neural Precursors from Human Embryonic Stem Cells,” Nature Publishing Group, vol. 19, pp. 1129-1133, Dec. 2001.
Ahn, Seong Eun, et al., “Primary Bone-Derived Cells Induce Osteogenic Differentiation Without Exogenous Factors in Human Embryonic Stem Cells,” Biochemical and Biophysical Research Communications 340 (2006), pp. 403-408, Dec. 15, 2005.
Kim, Jumi, et al., “Effective Isolation and Culture of Endothelial Cells in Embryoid Body Differentiated from Human Embryonic Stem Cells,” Stem Cells and Development, vol. 16, pp. 269-280, Jan. 15, 2007.

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