Neural progenitor cells derived from embryonic stem cells
First Claim
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1. A method of generating neurospheres comprising:
- (a) continuously culturing undifferentiated human embryonic stem cells for at least two weeks on fibroblast feeder cells to generate colonies of differentiating cells without the generation of embryoid bodies;
(b) selecting from said colonies, clumps of small piled, tightly packed, differentiating cells; and
(c) reculturing said differentiating cells in serum free medium supplemented with epidermal growth factor (EGF) and basic fibroblast growth factor (bFGF), thereby generating neurospheres, wherein said neurospheres do not express alphafetoprotein.
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Abstract
The present invention relates to undifferentiated human embryonic stem cells, methods of cultivation and propagation and production of differentiated cells. In particular it relates to the production of human ES cells capable of yielding somatic differentiated cells in vitro, as well as committed progenitor cells such as neural progenitor cells capable of giving rise to mature somatic cells including neural cells and/or glial cells and uses thereof.
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6 Claims
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1. A method of generating neurospheres comprising:
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(a) continuously culturing undifferentiated human embryonic stem cells for at least two weeks on fibroblast feeder cells to generate colonies of differentiating cells without the generation of embryoid bodies; (b) selecting from said colonies, clumps of small piled, tightly packed, differentiating cells; and (c) reculturing said differentiating cells in serum free medium supplemented with epidermal growth factor (EGF) and basic fibroblast growth factor (bFGF), thereby generating neurospheres, wherein said neurospheres do not express alphafetoprotein. - View Dependent Claims (2, 3, 4, 5, 6)
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