METHOD FOR PREPARING INDUCED PLURIPOTENT STEM CELLS AND MEDIUM USED FOR PREPARING INDUCED PLURIPOTENT STEM CELLS
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United States of America Patent
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Issued Date -
Nov 7, 2013
app pub date -
Nov 7, 2011
filing date -
Dec 16, 2010
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Abandoned
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Abstract
A method for preparing induced pluripotent stem (iPS) cells, which comprises steps as follows: step 1, introducing one or more stem cell pluripotency factors into somatic cells; step 2, culturing the somatic cells, into which the stem cell pluripotency factor has been introduced in the Step 1, by using medium supplemented with lithium salt; and step 3, identifying and characterizing the induced pluripotent stem cells. Furthermore, there provided a medium for preparing induced pluripotent stem cells, which comprising lithium salt. The medium supplemented with lithium salt is used for efficiently inducing pluripotent stem cells. Lithium salt is able to increase the production efficiency of mouse iPS cells by 5-60 times. The present method for inducing iPS cells is in favor of improving the safety of iPS technique and application of iPS cells in regenerative medicine.
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