Methods and products for embryonic stem cell culture
First Claim
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1. A method of maintaining a self-renewing pluripotent embryonic stem cell culture, the method comprising culturing one or more pluripotent embryonic stem cells in culture medium comprising medium conditioned by cells that express wnt3a, under conditions suitable for growth and proliferation of the self-renewing pluripotent embryonic stem cell culture.
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Abstract
The invention relates to methods and media for preparing and maintaining self-renewing pluripotent embryonic stem cells. The methods include, in some embodiments, culturing embryonic stem cells in culture medium that includes culture medium conditioned by cells that express wnt3a.
5 Citations
90 Claims
- 1. A method of maintaining a self-renewing pluripotent embryonic stem cell culture, the method comprising culturing one or more pluripotent embryonic stem cells in culture medium comprising medium conditioned by cells that express wnt3a, under conditions suitable for growth and proliferation of the self-renewing pluripotent embryonic stem cell culture.
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- 39. A method of preparing a differentiated embryonic stem cell culture, the method comprising, maintaining the self-renewing pluripotent embryonic stem cell culture using the method of claim A1 and stimulating differentiation of the self-renewing pluripotent embryonic stem cell culture to prepare a differentiated embryonic stem cell culture.
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- 86. A culture medium for maintaining a self-renewing pluripotent embryonic stem cell culture, the culture medium comprising at least 30-50% (v/v) of medium conditioned by cells expressing wnt3a.
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90. A conditioned medium for maintaining a self-renewing pluripotent embryonic stem cell culture, wherein the conditioned medium comprises at least about 50-200 ng/ml wnt3a.
Specification